/wrfv2_fire/phys/module_ra_cam_support.F
FORTRAN Legacy | 3862 lines | 2179 code | 312 blank | 1371 comment | 68 complexity | 9fa69a80800b610363beb0ee62307edd MD5 | raw file
Possible License(s): AGPL-1.0
- MODULE module_ra_cam_support
- use module_cam_support, only: endrun
- implicit none
- integer, parameter :: r8 = 8
- real(r8), parameter:: inf = 1.e20 ! CAM sets this differently in infnan.F90
- integer, parameter:: bigint = O'17777777777' ! largest possible 32-bit integer
- integer :: ixcldliq
- integer :: ixcldice
- ! integer :: levsiz ! size of level dimension on dataset
- integer, parameter :: nbands = 2 ! Number of spectral bands
- integer, parameter :: naer_all = 12 + 1
- integer, parameter :: naer = 10 + 1
- integer, parameter :: bnd_nbr_LW=7
- integer, parameter :: ndstsz = 4 ! number of dust size bins
- integer :: idxSUL
- integer :: idxSSLT
- integer :: idxDUSTfirst
- integer :: idxCARBONfirst
- integer :: idxOCPHO
- integer :: idxBCPHO
- integer :: idxOCPHI
- integer :: idxBCPHI
- integer :: idxBG
- integer :: idxVOLC
- integer :: mxaerl ! Maximum level of background aerosol
- ! indices to sections of array that represent
- ! groups of aerosols
- integer, parameter :: &
- numDUST = 4, &
- numCARBON = 4
- ! portion of each species group to use in computation
- ! of relative radiative forcing.
- real(r8) :: sulscl_rf = 0._r8 !
- real(r8) :: carscl_rf = 0._r8
- real(r8) :: ssltscl_rf = 0._r8
- real(r8) :: dustscl_rf = 0._r8
- real(r8) :: bgscl_rf = 0._r8
- real(r8) :: volcscl_rf = 0._r8
- ! "background" aerosol species mmr.
- real(r8) :: tauback = 0._r8
- ! portion of each species group to use in computation
- ! of aerosol forcing in driving the climate
- real(r8) :: sulscl = 1._r8
- real(r8) :: carscl = 1._r8
- real(r8) :: ssltscl = 1._r8
- real(r8) :: dustscl = 1._r8
- real(r8) :: volcscl = 1._r8
- !From volcrad.F90 module
- integer, parameter :: idx_LW_0500_0650=3
- integer, parameter :: idx_LW_0650_0800=4
- integer, parameter :: idx_LW_0800_1000=5
- integer, parameter :: idx_LW_1000_1200=6
- integer, parameter :: idx_LW_1200_2000=7
- ! First two values represent the overlap of volcanics with the non-window
- ! (0-800, 1200-2200 cm^-1) and window (800-1200 cm^-1) regions.| Coefficients
- ! were derived using crm_volc_minimize.pro with spectral flux optimization
- ! on first iteration, total heating rate on subsequent iterations (2-9).
- ! Five profiles for HLS, HLW, MLS, MLW, and TRO conditions were given equal
- ! weight. RMS heating rate errors for a visible stratospheric optical
- ! depth of 1.0 are 0.02948 K/day.
- !
- real(r8) :: abs_cff_mss_aer(bnd_nbr_LW) = &
- (/ 70.257384, 285.282943, &
- 1.0273851e+02, 6.3073303e+01, 1.2039569e+02, &
- 3.6343643e+02, 2.7138528e+02 /)
- !From radae.F90 module
- real(r8), parameter:: min_tp_h2o = 160.0 ! min T_p for pre-calculated abs/emis
- real(r8), parameter:: max_tp_h2o = 349.999999 ! max T_p for pre-calculated abs/emis
- real(r8), parameter:: dtp_h2o = 21.111111111111 ! difference in adjacent elements of tp_h2o
- real(r8), parameter:: min_te_h2o = -120.0 ! min T_e-T_p for pre-calculated abs/emis
- real(r8), parameter:: max_te_h2o = 79.999999 ! max T_e-T_p for pre-calculated abs/emis
- real(r8), parameter:: dte_h2o = 10.0 ! difference in adjacent elements of te_h2o
- real(r8), parameter:: min_rh_h2o = 0.0 ! min RH for pre-calculated abs/emis
- real(r8), parameter:: max_rh_h2o = 1.19999999 ! max RH for pre-calculated abs/emis
- real(r8), parameter:: drh_h2o = 0.2 ! difference in adjacent elements of RH
- real(r8), parameter:: min_lu_h2o = -8.0 ! min log_10(U) for pre-calculated abs/emis
- real(r8), parameter:: min_u_h2o = 1.0e-8 ! min pressure-weighted path-length
- real(r8), parameter:: max_lu_h2o = 3.9999999 ! max log_10(U) for pre-calculated abs/emis
- real(r8), parameter:: dlu_h2o = 0.5 ! difference in adjacent elements of lu_h2o
- real(r8), parameter:: min_lp_h2o = -3.0 ! min log_10(P) for pre-calculated abs/emis
- real(r8), parameter:: min_p_h2o = 1.0e-3 ! min log_10(P) for pre-calculated abs/emis
- real(r8), parameter:: max_lp_h2o = -0.0000001 ! max log_10(P) for pre-calculated abs/emis
- real(r8), parameter:: dlp_h2o = 0.3333333333333 ! difference in adjacent elements of lp_h2o
- integer, parameter :: n_u = 25 ! Number of U in abs/emis tables
- integer, parameter :: n_p = 10 ! Number of P in abs/emis tables
- integer, parameter :: n_tp = 10 ! Number of T_p in abs/emis tables
- integer, parameter :: n_te = 21 ! Number of T_e in abs/emis tables
- integer, parameter :: n_rh = 7 ! Number of RH in abs/emis tables
- real(r8):: c16,c17,c26,c27,c28,c29,c30,c31
- real(r8):: fwcoef ! Farwing correction constant
- real(r8):: fwc1,fwc2 ! Farwing correction constants
- real(r8):: fc1 ! Farwing correction constant
- real(r8):: amco2 ! Molecular weight of co2 (g/mol)
- real(r8):: amd ! Molecular weight of dry air (g/mol)
- real(r8):: p0 ! Standard pressure (dynes/cm**2)
- ! These are now allocatable. JM 20090612
- real(r8), allocatable, dimension(:,:,:,:,:) :: ah2onw ! (n_p, n_tp, n_u, n_te, n_rh) ! absorptivity (non-window)
- real(r8), allocatable, dimension(:,:,:,:,:) :: eh2onw ! (n_p, n_tp, n_u, n_te, n_rh) ! emissivity (non-window)
- real(r8), allocatable, dimension(:,:,:,:,:) :: ah2ow ! (n_p, n_tp, n_u, n_te, n_rh) ! absorptivity (window, for adjacent layers)
- real(r8), allocatable, dimension(:,:,:,:,:) :: cn_ah2ow ! (n_p, n_tp, n_u, n_te, n_rh) ! continuum transmission for absorptivity (window)
- real(r8), allocatable, dimension(:,:,:,:,:) :: cn_eh2ow ! (n_p, n_tp, n_u, n_te, n_rh) ! continuum transmission for emissivity (window)
- real(r8), allocatable, dimension(:,:,:,:,:) :: ln_ah2ow ! (n_p, n_tp, n_u, n_te, n_rh) ! line-only transmission for absorptivity (window)
- real(r8), allocatable, dimension(:,:,:,:,:) :: ln_eh2ow ! (n_p, n_tp, n_u, n_te, n_rh) ! line-only transmission for emissivity (window)
- !
- ! Constant coefficients for water vapor overlap with trace gases.
- ! Reference: Ramanathan, V. and P.Downey, 1986: A Nonisothermal
- ! Emissivity and Absorptivity Formulation for Water Vapor
- ! Journal of Geophysical Research, vol. 91., D8, pp 8649-8666
- !
- real(r8):: coefh(2,4) = reshape( &
- (/ (/5.46557e+01,-7.30387e-02/), &
- (/1.09311e+02,-1.46077e-01/), &
- (/5.11479e+01,-6.82615e-02/), &
- (/1.02296e+02,-1.36523e-01/) /), (/2,4/) )
- !
- real(r8):: coefj(3,2) = reshape( &
- (/ (/2.82096e-02,2.47836e-04,1.16904e-06/), &
- (/9.27379e-02,8.04454e-04,6.88844e-06/) /), (/3,2/) )
- !
- real(r8):: coefk(3,2) = reshape( &
- (/ (/2.48852e-01,2.09667e-03,2.60377e-06/) , &
- (/1.03594e+00,6.58620e-03,4.04456e-06/) /), (/3,2/) )
- integer, parameter :: ntemp = 192 ! Number of temperatures in H2O sat. table for Tp
- real(r8) :: estblh2o(0:ntemp) ! saturation vapor pressure for H2O for Tp rang
- integer, parameter :: o_fa = 6 ! Degree+1 of poly of T_e for absorptivity as U->inf.
- integer, parameter :: o_fe = 6 ! Degree+1 of poly of T_e for emissivity as U->inf.
- !-----------------------------------------------------------------------------
- ! Data for f in C/H/E fit -- value of A and E as U->infinity
- ! New C/LT/E fit (Hitran 2K, CKD 2.4) -- no change
- ! These values are determined by integrals of Planck functions or
- ! derivatives of Planck functions only.
- !-----------------------------------------------------------------------------
- !
- ! fa/fe coefficients for 2 bands (0-800 & 1200-2200, 800-1200 cm^-1)
- !
- ! Coefficients of polynomial for f_a in T_e
- !
- real(r8), parameter:: fat(o_fa,nbands) = reshape( (/ &
- (/-1.06665373E-01, 2.90617375E-02, -2.70642049E-04, & ! 0-800&1200-2200 cm^-1
- 1.07595511E-06, -1.97419681E-09, 1.37763374E-12/), & ! 0-800&1200-2200 cm^-1
- (/ 1.10666537E+00, -2.90617375E-02, 2.70642049E-04, & ! 800-1200 cm^-1
- -1.07595511E-06, 1.97419681E-09, -1.37763374E-12/) /) & ! 800-1200 cm^-1
- , (/o_fa,nbands/) )
- !
- ! Coefficients of polynomial for f_e in T_e
- !
- real(r8), parameter:: fet(o_fe,nbands) = reshape( (/ &
- (/3.46148163E-01, 1.51240299E-02, -1.21846479E-04, & ! 0-800&1200-2200 cm^-1
- 4.04970123E-07, -6.15368936E-10, 3.52415071E-13/), & ! 0-800&1200-2200 cm^-1
- (/6.53851837E-01, -1.51240299E-02, 1.21846479E-04, & ! 800-1200 cm^-1
- -4.04970123E-07, 6.15368936E-10, -3.52415071E-13/) /) & ! 800-1200 cm^-1
- , (/o_fa,nbands/) )
- real(r8) :: gravit ! Acceleration of gravity (cgs)
- real(r8) :: rga ! 1./gravit
- real(r8) :: gravmks ! Acceleration of gravity (mks)
- real(r8) :: cpair ! Specific heat of dry air
- real(r8) :: epsilo ! Ratio of mol. wght of H2O to dry air
- real(r8) :: epsqs ! Ratio of mol. wght of H2O to dry air
- real(r8) :: sslp ! Standard sea-level pressure
- real(r8) :: stebol ! Stefan-Boltzmann's constant
- real(r8) :: rgsslp ! 0.5/(gravit*sslp)
- real(r8) :: dpfo3 ! Voigt correction factor for O3
- real(r8) :: dpfco2 ! Voigt correction factor for CO2
- real(r8) :: dayspy ! Number of days per 1 year
- real(r8) :: pie ! 3.14.....
- real(r8) :: mwdry ! molecular weight dry air ~ kg/kmole (shr_const_mwdair)
- real(r8) :: scon ! solar constant (not used in WRF)
- real(r8) :: co2mmr
- real(r8) :: mwco2 ! molecular weight of carbon dioxide
- real(r8) :: mwh2o ! molecular weight water vapor (shr_const_mwwv)
- real(r8) :: mwch4 ! molecular weight ch4
- real(r8) :: mwn2o ! molecular weight n2o
- real(r8) :: mwf11 ! molecular weight cfc11
- real(r8) :: mwf12 ! molecular weight cfc12
- real(r8) :: cappa ! R/Cp
- real(r8) :: rair ! Gas constant for dry air (J/K/kg)
- real(r8) :: tmelt ! freezing T of fresh water ~ K
- real(r8) :: r_universal ! Universal gas constant ~ J/K/kmole
- real(r8) :: latvap ! latent heat of evaporation ~ J/kg
- real(r8) :: latice ! latent heat of fusion ~ J/kg
- real(r8) :: zvir ! R_V/R_D - 1.
- integer plenest ! length of saturation vapor pressure table
- parameter (plenest=250)
- !
- ! Table of saturation vapor pressure values es from tmin degrees
- ! to tmax+1 degrees k in one degree increments. ttrice defines the
- ! transition region where es is a combination of ice & water values
- !
- real(r8) estbl(plenest) ! table values of saturation vapor pressure
- real(r8) tmin ! min temperature (K) for table
- real(r8) tmax ! max temperature (K) for table
- real(r8) pcf(6) ! polynomial coeffs -> es transition water to ice
- !real(r8), allocatable :: pin(:) ! ozone pressure level (levsiz)
- !real(r8), allocatable :: ozmix(:,:,:) ! mixing ratio
- !real(r8), allocatable, target :: abstot_3d(:,:,:,:) ! Non-adjacent layer absorptivites
- !real(r8), allocatable, target :: absnxt_3d(:,:,:,:) ! Nearest layer absorptivities
- !real(r8), allocatable, target :: emstot_3d(:,:,:) ! Total emissivity
- !From aer_optics.F90 module
- integer, parameter :: idxVIS = 8 ! index to visible band
- integer, parameter :: nrh = 1000 ! number of relative humidity values for look-up-table
- integer, parameter :: nspint = 19 ! number of spectral intervals
- ! These are now allocatable, JM 20090612
- real(r8), allocatable, dimension(:,:) :: ksul ! (nrh, nspint) ! sulfate specific extinction ( m^2 g-1 )
- real(r8), allocatable, dimension(:,:) :: wsul ! (nrh, nspint) ! sulfate single scattering albedo
- real(r8), allocatable, dimension(:,:) :: gsul ! (nrh, nspint) ! sulfate asymmetry parameter
- real(r8), allocatable, dimension(:,:) :: ksslt ! (nrh, nspint) ! sea-salt specific extinction ( m^2 g-1 )
- real(r8), allocatable, dimension(:,:) :: wsslt ! (nrh, nspint) ! sea-salt single scattering albedo
- real(r8), allocatable, dimension(:,:) :: gsslt ! (nrh, nspint) ! sea-salt asymmetry parameter
- real(r8), allocatable, dimension(:,:) :: kcphil ! (nrh, nspint) ! hydrophilic carbon specific extinction ( m^2 g-1 )
- real(r8), allocatable, dimension(:,:) :: wcphil ! (nrh, nspint) ! hydrophilic carbon single scattering albedo
- real(r8), allocatable, dimension(:,:) :: gcphil ! (nrh, nspint) ! hydrophilic carbon asymmetry parameter
- real(r8) :: kbg(nspint) ! background specific extinction ( m^2 g-1 )
- real(r8) :: wbg(nspint) ! background single scattering albedo
- real(r8) :: gbg(nspint) ! background asymmetry parameter
- real(r8) :: kcphob(nspint) ! hydrophobic carbon specific extinction ( m^2 g-1 )
- real(r8) :: wcphob(nspint) ! hydrophobic carbon single scattering albedo
- real(r8) :: gcphob(nspint) ! hydrophobic carbon asymmetry parameter
- real(r8) :: kcb(nspint) ! black carbon specific extinction ( m^2 g-1 )
- real(r8) :: wcb(nspint) ! black carbon single scattering albedo
- real(r8) :: gcb(nspint) ! black carbon asymmetry parameter
- real(r8) :: kvolc(nspint) ! volcanic specific extinction ( m^2 g-1)
- real(r8) :: wvolc(nspint) ! volcanic single scattering albedo
- real(r8) :: gvolc(nspint) ! volcanic asymmetry parameter
- real(r8) :: kdst(ndstsz, nspint) ! dust specific extinction ( m^2 g-1 )
- real(r8) :: wdst(ndstsz, nspint) ! dust single scattering albedo
- real(r8) :: gdst(ndstsz, nspint) ! dust asymmetry parameter
- !
- !From comozp.F90 module
- real(r8) cplos ! constant for ozone path length integral
- real(r8) cplol ! constant for ozone path length integral
- !From ghg_surfvals.F90 module
- real(r8) :: co2vmr = 3.550e-4 ! co2 volume mixing ratio
- real(r8) :: n2ovmr = 0.311e-6 ! n2o volume mixing ratio
- real(r8) :: ch4vmr = 1.714e-6 ! ch4 volume mixing ratio
- real(r8) :: f11vmr = 0.280e-9 ! cfc11 volume mixing ratio
- real(r8) :: f12vmr = 0.503e-9 ! cfc12 volume mixing ratio
- integer, parameter :: cyr = 233 ! number of years of co2 data
- integer :: yrdata(cyr) = &
- (/ 1869, 1870, 1871, 1872, 1873, 1874, 1875, &
- 1876, 1877, 1878, 1879, 1880, 1881, 1882, &
- 1883, 1884, 1885, 1886, 1887, 1888, 1889, &
- 1890, 1891, 1892, 1893, 1894, 1895, 1896, &
- 1897, 1898, 1899, 1900, 1901, 1902, 1903, &
- 1904, 1905, 1906, 1907, 1908, 1909, 1910, &
- 1911, 1912, 1913, 1914, 1915, 1916, 1917, &
- 1918, 1919, 1920, 1921, 1922, 1923, 1924, &
- 1925, 1926, 1927, 1928, 1929, 1930, 1931, &
- 1932, 1933, 1934, 1935, 1936, 1937, 1938, &
- 1939, 1940, 1941, 1942, 1943, 1944, 1945, &
- 1946, 1947, 1948, 1949, 1950, 1951, 1952, &
- 1953, 1954, 1955, 1956, 1957, 1958, 1959, &
- 1960, 1961, 1962, 1963, 1964, 1965, 1966, &
- 1967, 1968, 1969, 1970, 1971, 1972, 1973, &
- 1974, 1975, 1976, 1977, 1978, 1979, 1980, &
- 1981, 1982, 1983, 1984, 1985, 1986, 1987, &
- 1988, 1989, 1990, 1991, 1992, 1993, 1994, &
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, &
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, &
- 2009, 2010, 2011, 2012, 2013, 2014, 2015, &
- 2016, 2017, 2018, 2019, 2020, 2021, 2022, &
- 2023, 2024, 2025, 2026, 2027, 2028, 2029, &
- 2030, 2031, 2032, 2033, 2034, 2035, 2036, &
- 2037, 2038, 2039, 2040, 2041, 2042, 2043, &
- 2044, 2045, 2046, 2047, 2048, 2049, 2050, &
- 2051, 2052, 2053, 2054, 2055, 2056, 2057, &
- 2058, 2059, 2060, 2061, 2062, 2063, 2064, &
- 2065, 2066, 2067, 2068, 2069, 2070, 2071, &
- 2072, 2073, 2074, 2075, 2076, 2077, 2078, &
- 2079, 2080, 2081, 2082, 2083, 2084, 2085, &
- 2086, 2087, 2088, 2089, 2090, 2091, 2092, &
- 2093, 2094, 2095, 2096, 2097, 2098, 2099, &
- 2100, 2101 /)
- ! A2 future scenario
- real(r8) :: co2(cyr) = &
- (/ 289.263, 289.263, 289.416, 289.577, 289.745, 289.919, 290.102, &
- 290.293, 290.491, 290.696, 290.909, 291.129, 291.355, 291.587, 291.824, &
- 292.066, 292.313, 292.563, 292.815, 293.071, 293.328, 293.586, 293.843, &
- 294.098, 294.35, 294.598, 294.842, 295.082, 295.32, 295.558, 295.797, &
- 296.038, 296.284, 296.535, 296.794, 297.062, 297.338, 297.62, 297.91, &
- 298.204, 298.504, 298.806, 299.111, 299.419, 299.729, 300.04, 300.352, &
- 300.666, 300.98, 301.294, 301.608, 301.923, 302.237, 302.551, 302.863, &
- 303.172, 303.478, 303.779, 304.075, 304.366, 304.651, 304.93, 305.206, &
- 305.478, 305.746, 306.013, 306.28, 306.546, 306.815, 307.087, 307.365, &
- 307.65, 307.943, 308.246, 308.56, 308.887, 309.228, 309.584, 309.956, &
- 310.344, 310.749, 311.172, 311.614, 312.077, 312.561, 313.068, 313.599, &
- 314.154, 314.737, 315.347, 315.984, 316.646, 317.328, 318.026, 318.742, &
- 319.489, 320.282, 321.133, 322.045, 323.021, 324.06, 325.155, 326.299, &
- 327.484, 328.698, 329.933, 331.194, 332.499, 333.854, 335.254, 336.69, &
- 338.15, 339.628, 341.125, 342.65, 344.206, 345.797, 347.397, 348.98, &
- 350.551, 352.1, 354.3637, 355.7772, 357.1601, 358.5306, 359.9046, &
- 361.4157, 363.0445, 364.7761, 366.6064, 368.5322, 370.534, 372.5798, &
- 374.6564, 376.7656, 378.9087, 381.0864, 383.2994, 385.548, 387.8326, &
- 390.1536, 392.523, 394.9625, 397.4806, 400.075, 402.7444, 405.4875, &
- 408.3035, 411.1918, 414.1518, 417.1831, 420.2806, 423.4355, 426.6442, &
- 429.9076, 433.2261, 436.6002, 440.0303, 443.5168, 447.06, 450.6603, &
- 454.3059, 457.9756, 461.6612, 465.3649, 469.0886, 472.8335, 476.6008, &
- 480.3916, 484.2069, 488.0473, 491.9184, 495.8295, 499.7849, 503.7843, &
- 507.8278, 511.9155, 516.0476, 520.2243, 524.4459, 528.7127, 533.0213, &
- 537.3655, 541.7429, 546.1544, 550.6005, 555.0819, 559.5991, 564.1525, &
- 568.7429, 573.3701, 578.0399, 582.7611, 587.5379, 592.3701, 597.2572, &
- 602.1997, 607.1975, 612.2507, 617.3596, 622.524, 627.7528, 633.0616, &
- 638.457, 643.9384, 649.505, 655.1568, 660.8936, 666.7153, 672.6219, &
- 678.6133, 684.6945, 690.8745, 697.1569, 703.5416, 710.0284, 716.6172, &
- 723.308, 730.1008, 736.9958, 743.993, 751.0975, 758.3183, 765.6594, &
- 773.1207, 780.702, 788.4033, 796.2249, 804.1667, 812.2289, 820.4118, &
- 828.6444, 828.6444 /)
- integer :: ntoplw ! top level to solve for longwave cooling (WRF sets this to 1 for model top below 10 mb)
- logical :: masterproc = .true.
- logical :: ozncyc ! true => cycle ozone dataset
- ! logical :: dosw ! True => shortwave calculation this timestep
- ! logical :: dolw ! True => longwave calculation this timestep
- logical :: indirect ! True => include indirect radiative effects of sulfate aerosols
- ! logical :: doabsems ! True => abs/emiss calculation this timestep
- logical :: radforce = .false. ! True => calculate aerosol shortwave forcing
- logical :: trace_gas=.false. ! set true for chemistry
- logical :: strat_volcanic = .false. ! True => volcanic aerosol mass available
- real(r8) retab(95)
- !
- ! Tabulated values of re(T) in the temperature interval
- ! 180 K -- 274 K; hexagonal columns assumed:
- !
- data retab / &
- 5.92779, 6.26422, 6.61973, 6.99539, 7.39234, &
- 7.81177, 8.25496, 8.72323, 9.21800, 9.74075, 10.2930, &
- 10.8765, 11.4929, 12.1440, 12.8317, 13.5581, 14.2319, &
- 15.0351, 15.8799, 16.7674, 17.6986, 18.6744, 19.6955, &
- 20.7623, 21.8757, 23.0364, 24.2452, 25.5034, 26.8125, &
- 27.7895, 28.6450, 29.4167, 30.1088, 30.7306, 31.2943, &
- 31.8151, 32.3077, 32.7870, 33.2657, 33.7540, 34.2601, &
- 34.7892, 35.3442, 35.9255, 36.5316, 37.1602, 37.8078, &
- 38.4720, 39.1508, 39.8442, 40.5552, 41.2912, 42.0635, &
- 42.8876, 43.7863, 44.7853, 45.9170, 47.2165, 48.7221, &
- 50.4710, 52.4980, 54.8315, 57.4898, 60.4785, 63.7898, &
- 65.5604, 71.2885, 75.4113, 79.7368, 84.2351, 88.8833, &
- 93.6658, 98.5739, 103.603, 108.752, 114.025, 119.424, &
- 124.954, 130.630, 136.457, 142.446, 148.608, 154.956, &
- 161.503, 168.262, 175.248, 182.473, 189.952, 197.699, &
- 205.728, 214.055, 222.694, 231.661, 240.971, 250.639/
- !
- save retab
- contains
- subroutine sortarray(n, ain, indxa)
- !-----------------------------------------------
- !
- ! Purpose:
- ! Sort an array
- ! Alogrithm:
- ! Based on Shell's sorting method.
- !
- ! Author: T. Craig
- !-----------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- implicit none
- !
- ! Arguments
- !
- integer , intent(in) :: n ! total number of elements
- integer , intent(inout) :: indxa(n) ! array of integers
- real(r8), intent(inout) :: ain(n) ! array to sort
- !
- ! local variables
- !
- integer :: i, j ! Loop indices
- integer :: ni ! Starting increment
- integer :: itmp ! Temporary index
- real(r8):: atmp ! Temporary value to swap
-
- ni = 1
- do while(.TRUE.)
- ni = 3*ni + 1
- if (ni <= n) cycle
- exit
- end do
-
- do while(.TRUE.)
- ni = ni/3
- do i = ni + 1, n
- atmp = ain(i)
- itmp = indxa(i)
- j = i
- do while(.TRUE.)
- if (ain(j-ni) <= atmp) exit
- ain(j) = ain(j-ni)
- indxa(j) = indxa(j-ni)
- j = j - ni
- if (j > ni) cycle
- exit
- end do
- ain(j) = atmp
- indxa(j) = itmp
- end do
- if (ni > 1) cycle
- exit
- end do
- return
-
- end subroutine sortarray
- subroutine trcab(lchnk ,ncol ,pcols, pverp, &
- k1 ,k2 ,ucfc11 ,ucfc12 ,un2o0 , &
- un2o1 ,uch4 ,uco211 ,uco212 ,uco213 , &
- uco221 ,uco222 ,uco223 ,bn2o0 ,bn2o1 , &
- bch4 ,to3co2 ,pnm ,dw ,pnew , &
- s2c ,uptype ,dplh2o ,abplnk1 ,tco2 , &
- th2o ,to3 ,abstrc , &
- aer_trn_ttl)
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Calculate absorptivity for non nearest layers for CH4, N2O, CFC11 and
- ! CFC12.
- !
- ! Method:
- ! See CCM3 description for equations.
- !
- ! Author: J. Kiehl
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use ppgrid
- ! use volcrad
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pverp
- integer, intent(in) :: k1,k2 ! level indices
- !
- real(r8), intent(in) :: to3co2(pcols) ! pressure weighted temperature
- real(r8), intent(in) :: pnm(pcols,pverp) ! interface pressures
- real(r8), intent(in) :: ucfc11(pcols,pverp) ! CFC11 path length
- real(r8), intent(in) :: ucfc12(pcols,pverp) ! CFC12 path length
- real(r8), intent(in) :: un2o0(pcols,pverp) ! N2O path length
- !
- real(r8), intent(in) :: un2o1(pcols,pverp) ! N2O path length (hot band)
- real(r8), intent(in) :: uch4(pcols,pverp) ! CH4 path length
- real(r8), intent(in) :: uco211(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(in) :: uco212(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(in) :: uco213(pcols,pverp) ! CO2 9.4 micron band path length
- !
- real(r8), intent(in) :: uco221(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: uco222(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: uco223(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: bn2o0(pcols,pverp) ! pressure factor for n2o
- real(r8), intent(in) :: bn2o1(pcols,pverp) ! pressure factor for n2o
- !
- real(r8), intent(in) :: bch4(pcols,pverp) ! pressure factor for ch4
- real(r8), intent(in) :: dw(pcols) ! h2o path length
- real(r8), intent(in) :: pnew(pcols) ! pressure
- real(r8), intent(in) :: s2c(pcols,pverp) ! continuum path length
- real(r8), intent(in) :: uptype(pcols,pverp) ! p-type h2o path length
- !
- real(r8), intent(in) :: dplh2o(pcols) ! p squared h2o path length
- real(r8), intent(in) :: abplnk1(14,pcols,pverp) ! Planck factor
- real(r8), intent(in) :: tco2(pcols) ! co2 transmission factor
- real(r8), intent(in) :: th2o(pcols) ! h2o transmission factor
- real(r8), intent(in) :: to3(pcols) ! o3 transmission factor
- real(r8), intent(in) :: aer_trn_ttl(pcols,pverp,pverp,bnd_nbr_LW) ! aer trn.
- !
- ! Output Arguments
- !
- real(r8), intent(out) :: abstrc(pcols) ! total trace gas absorptivity
- !
- !--------------------------Local Variables------------------------------
- !
- integer i,l ! loop counters
- real(r8) sqti(pcols) ! square root of mean temp
- real(r8) du1 ! cfc11 path length
- real(r8) du2 ! cfc12 path length
- real(r8) acfc1 ! cfc11 absorptivity 798 cm-1
- real(r8) acfc2 ! cfc11 absorptivity 846 cm-1
- !
- real(r8) acfc3 ! cfc11 absorptivity 933 cm-1
- real(r8) acfc4 ! cfc11 absorptivity 1085 cm-1
- real(r8) acfc5 ! cfc12 absorptivity 889 cm-1
- real(r8) acfc6 ! cfc12 absorptivity 923 cm-1
- real(r8) acfc7 ! cfc12 absorptivity 1102 cm-1
- !
- real(r8) acfc8 ! cfc12 absorptivity 1161 cm-1
- real(r8) du01 ! n2o path length
- real(r8) dbeta01 ! n2o pressure factor
- real(r8) dbeta11 ! "
- real(r8) an2o1 ! absorptivity of 1285 cm-1 n2o band
- !
- real(r8) du02 ! n2o path length
- real(r8) dbeta02 ! n2o pressure factor
- real(r8) an2o2 ! absorptivity of 589 cm-1 n2o band
- real(r8) du03 ! n2o path length
- real(r8) dbeta03 ! n2o pressure factor
- !
- real(r8) an2o3 ! absorptivity of 1168 cm-1 n2o band
- real(r8) duch4 ! ch4 path length
- real(r8) dbetac ! ch4 pressure factor
- real(r8) ach4 ! absorptivity of 1306 cm-1 ch4 band
- real(r8) du11 ! co2 path length
- !
- real(r8) du12 ! "
- real(r8) du13 ! "
- real(r8) dbetc1 ! co2 pressure factor
- real(r8) dbetc2 ! co2 pressure factor
- real(r8) aco21 ! absorptivity of 1064 cm-1 band
- !
- real(r8) du21 ! co2 path length
- real(r8) du22 ! "
- real(r8) du23 ! "
- real(r8) aco22 ! absorptivity of 961 cm-1 band
- real(r8) tt(pcols) ! temp. factor for h2o overlap factor
- !
- real(r8) psi1 ! "
- real(r8) phi1 ! "
- real(r8) p1 ! h2o overlap factor
- real(r8) w1 ! "
- real(r8) ds2c(pcols) ! continuum path length
- !
- real(r8) duptyp(pcols) ! p-type path length
- real(r8) tw(pcols,6) ! h2o transmission factor
- real(r8) g1(6) ! "
- real(r8) g2(6) ! "
- real(r8) g3(6) ! "
- !
- real(r8) g4(6) ! "
- real(r8) ab(6) ! h2o temp. factor
- real(r8) bb(6) ! "
- real(r8) abp(6) ! "
- real(r8) bbp(6) ! "
- !
- real(r8) tcfc3 ! transmission for cfc11 band
- real(r8) tcfc4 ! transmission for cfc11 band
- real(r8) tcfc6 ! transmission for cfc12 band
- real(r8) tcfc7 ! transmission for cfc12 band
- real(r8) tcfc8 ! transmission for cfc12 band
- !
- real(r8) tlw ! h2o transmission
- real(r8) tch4 ! ch4 transmission
- !
- !--------------------------Data Statements------------------------------
- !
- data g1 /0.0468556,0.0397454,0.0407664,0.0304380,0.0540398,0.0321962/
- data g2 /14.4832,4.30242,5.23523,3.25342,0.698935,16.5599/
- data g3 /26.1898,18.4476,15.3633,12.1927,9.14992,8.07092/
- data g4 /0.0261782,0.0369516,0.0307266,0.0243854,0.0182932,0.0161418/
- data ab /3.0857e-2,2.3524e-2,1.7310e-2,2.6661e-2,2.8074e-2,2.2915e-2/
- data bb /-1.3512e-4,-6.8320e-5,-3.2609e-5,-1.0228e-5,-9.5743e-5,-1.0304e-4/
- data abp/2.9129e-2,2.4101e-2,1.9821e-2,2.6904e-2,2.9458e-2,1.9892e-2/
- data bbp/-1.3139e-4,-5.5688e-5,-4.6380e-5,-8.0362e-5,-1.0115e-4,-8.8061e-5/
- !
- !--------------------------Statement Functions--------------------------
- !
- real(r8) func, u, b
- func(u,b) = u/sqrt(4.0 + u*(1.0 + 1.0 / b))
- !
- !------------------------------------------------------------------------
- !
- do i = 1,ncol
- sqti(i) = sqrt(to3co2(i))
- !
- ! h2o transmission
- !
- tt(i) = abs(to3co2(i) - 250.0)
- ds2c(i) = abs(s2c(i,k1) - s2c(i,k2))
- duptyp(i) = abs(uptype(i,k1) - uptype(i,k2))
- end do
- !
- do l = 1,6
- do i = 1,ncol
- psi1 = exp(abp(l)*tt(i) + bbp(l)*tt(i)*tt(i))
- phi1 = exp(ab(l)*tt(i) + bb(l)*tt(i)*tt(i))
- p1 = pnew(i)*(psi1/phi1)/sslp
- w1 = dw(i)*phi1
- tw(i,l) = exp(-g1(l)*p1*(sqrt(1.0 + g2(l)*(w1/p1)) - 1.0) - &
- g3(l)*ds2c(i)-g4(l)*duptyp(i))
- end do
- end do
- !
- do i=1,ncol
- tw(i,1)=tw(i,1)*(0.7*aer_trn_ttl(i,k1,k2,idx_LW_0650_0800)+&! l=1: 0750--0820 cm-1
- 0.3*aer_trn_ttl(i,k1,k2,idx_LW_0800_1000))
- tw(i,2)=tw(i,2)*aer_trn_ttl(i,k1,k2,idx_LW_0800_1000) ! l=2: 0820--0880 cm-1
- tw(i,3)=tw(i,3)*aer_trn_ttl(i,k1,k2,idx_LW_0800_1000) ! l=3: 0880--0900 cm-1
- tw(i,4)=tw(i,4)*aer_trn_ttl(i,k1,k2,idx_LW_0800_1000) ! l=4: 0900--1000 cm-1
- tw(i,5)=tw(i,5)*aer_trn_ttl(i,k1,k2,idx_LW_1000_1200) ! l=5: 1000--1120 cm-1
- tw(i,6)=tw(i,6)*aer_trn_ttl(i,k1,k2,idx_LW_1000_1200) ! l=6: 1120--1170 cm-1
- end do ! end loop over lon
- do i = 1,ncol
- du1 = abs(ucfc11(i,k1) - ucfc11(i,k2))
- du2 = abs(ucfc12(i,k1) - ucfc12(i,k2))
- !
- ! cfc transmissions
- !
- tcfc3 = exp(-175.005*du1)
- tcfc4 = exp(-1202.18*du1)
- tcfc6 = exp(-5786.73*du2)
- tcfc7 = exp(-2873.51*du2)
- tcfc8 = exp(-2085.59*du2)
- !
- ! Absorptivity for CFC11 bands
- !
- acfc1 = 50.0*(1.0 - exp(-54.09*du1))*tw(i,1)*abplnk1(7,i,k2)
- acfc2 = 60.0*(1.0 - exp(-5130.03*du1))*tw(i,2)*abplnk1(8,i,k2)
- acfc3 = 60.0*(1.0 - tcfc3)*tw(i,4)*tcfc6*abplnk1(9,i,k2)
- acfc4 = 100.0*(1.0 - tcfc4)*tw(i,5)*abplnk1(10,i,k2)
- !
- ! Absorptivity for CFC12 bands
- !
- acfc5 = 45.0*(1.0 - exp(-1272.35*du2))*tw(i,3)*abplnk1(11,i,k2)
- acfc6 = 50.0*(1.0 - tcfc6)* tw(i,4) * abplnk1(12,i,k2)
- acfc7 = 80.0*(1.0 - tcfc7)* tw(i,5) * tcfc4*abplnk1(13,i,k2)
- acfc8 = 70.0*(1.0 - tcfc8)* tw(i,6) * abplnk1(14,i,k2)
- !
- ! Emissivity for CH4 band 1306 cm-1
- !
- tlw = exp(-1.0*sqrt(dplh2o(i)))
- tlw=tlw*aer_trn_ttl(i,k1,k2,idx_LW_1200_2000)
- duch4 = abs(uch4(i,k1) - uch4(i,k2))
- dbetac = abs(bch4(i,k1) - bch4(i,k2))/duch4
- ach4 = 6.00444*sqti(i)*log(1.0 + func(duch4,dbetac))*tlw*abplnk1(3,i,k2)
- tch4 = 1.0/(1.0 + 0.02*func(duch4,dbetac))
- !
- ! Absorptivity for N2O bands
- !
- du01 = abs(un2o0(i,k1) - un2o0(i,k2))
- du11 = abs(un2o1(i,k1) - un2o1(i,k2))
- dbeta01 = abs(bn2o0(i,k1) - bn2o0(i,k2))/du01
- dbeta11 = abs(bn2o1(i,k1) - bn2o1(i,k2))/du11
- !
- ! 1285 cm-1 band
- !
- an2o1 = 2.35558*sqti(i)*log(1.0 + func(du01,dbeta01) &
- + func(du11,dbeta11))*tlw*tch4*abplnk1(4,i,k2)
- du02 = 0.100090*du01
- du12 = 0.0992746*du11
- dbeta02 = 0.964282*dbeta01
- !
- ! 589 cm-1 band
- !
- an2o2 = 2.65581*sqti(i)*log(1.0 + func(du02,dbeta02) + &
- func(du12,dbeta02))*th2o(i)*tco2(i)*abplnk1(5,i,k2)
- du03 = 0.0333767*du01
- dbeta03 = 0.982143*dbeta01
- !
- ! 1168 cm-1 band
- !
- an2o3 = 2.54034*sqti(i)*log(1.0 + func(du03,dbeta03))* &
- tw(i,6)*tcfc8*abplnk1(6,i,k2)
- !
- ! Emissivity for 1064 cm-1 band of CO2
- !
- du11 = abs(uco211(i,k1) - uco211(i,k2))
- du12 = abs(uco212(i,k1) - uco212(i,k2))
- du13 = abs(uco213(i,k1) - uco213(i,k2))
- dbetc1 = 2.97558*abs(pnm(i,k1) + pnm(i,k2))/(2.0*sslp*sqti(i))
- dbetc2 = 2.0*dbetc1
- aco21 = 3.7571*sqti(i)*log(1.0 + func(du11,dbetc1) &
- + func(du12,dbetc2) + func(du13,dbetc2)) &
- *to3(i)*tw(i,5)*tcfc4*tcfc7*abplnk1(2,i,k2)
- !
- ! Emissivity for 961 cm-1 band
- !
- du21 = abs(uco221(i,k1) - uco221(i,k2))
- du22 = abs(uco222(i,k1) - uco222(i,k2))
- du23 = abs(uco223(i,k1) - uco223(i,k2))
- aco22 = 3.8443*sqti(i)*log(1.0 + func(du21,dbetc1) &
- + func(du22,dbetc1) + func(du23,dbetc2)) &
- *tw(i,4)*tcfc3*tcfc6*abplnk1(1,i,k2)
- !
- ! total trace gas absorptivity
- !
- abstrc(i) = acfc1 + acfc2 + acfc3 + acfc4 + acfc5 + acfc6 + &
- acfc7 + acfc8 + an2o1 + an2o2 + an2o3 + ach4 + &
- aco21 + aco22
- end do
- !
- return
- !
- end subroutine trcab
- subroutine trcabn(lchnk ,ncol ,pcols, pverp, &
- k2 ,kn ,ucfc11 ,ucfc12 ,un2o0 , &
- un2o1 ,uch4 ,uco211 ,uco212 ,uco213 , &
- uco221 ,uco222 ,uco223 ,tbar ,bplnk , &
- winpl ,pinpl ,tco2 ,th2o ,to3 , &
- uptype ,dw ,s2c ,up2 ,pnew , &
- abstrc ,uinpl , &
- aer_trn_ngh)
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Calculate nearest layer absorptivity due to CH4, N2O, CFC11 and CFC12
- !
- ! Method:
- ! Equations in CCM3 description
- !
- ! Author: J. Kiehl
- !
- !-----------------------------------------------------------------------
- !
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use ppgrid
- ! use volcrad
- implicit none
-
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pverp
- integer, intent(in) :: k2 ! level index
- integer, intent(in) :: kn ! level index
- !
- real(r8), intent(in) :: tbar(pcols,4) ! pressure weighted temperature
- real(r8), intent(in) :: ucfc11(pcols,pverp) ! CFC11 path length
- real(r8), intent(in) :: ucfc12(pcols,pverp) ! CFC12 path length
- real(r8), intent(in) :: un2o0(pcols,pverp) ! N2O path length
- real(r8), intent(in) :: un2o1(pcols,pverp) ! N2O path length (hot band)
- !
- real(r8), intent(in) :: uch4(pcols,pverp) ! CH4 path length
- real(r8), intent(in) :: uco211(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(in) :: uco212(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(in) :: uco213(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(in) :: uco221(pcols,pverp) ! CO2 10.4 micron band path length
- !
- real(r8), intent(in) :: uco222(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: uco223(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: bplnk(14,pcols,4) ! weighted Planck fnc. for absorptivity
- real(r8), intent(in) :: winpl(pcols,4) ! fractional path length
- real(r8), intent(in) :: pinpl(pcols,4) ! pressure factor for subdivided layer
- !
- real(r8), intent(in) :: tco2(pcols) ! co2 transmission
- real(r8), intent(in) :: th2o(pcols) ! h2o transmission
- real(r8), intent(in) :: to3(pcols) ! o3 transmission
- real(r8), intent(in) :: dw(pcols) ! h2o path length
- real(r8), intent(in) :: pnew(pcols) ! pressure factor
- !
- real(r8), intent(in) :: s2c(pcols,pverp) ! h2o continuum factor
- real(r8), intent(in) :: uptype(pcols,pverp) ! p-type path length
- real(r8), intent(in) :: up2(pcols) ! p squared path length
- real(r8), intent(in) :: uinpl(pcols,4) ! Nearest layer subdivision factor
- real(r8), intent(in) :: aer_trn_ngh(pcols,bnd_nbr_LW)
- ! [fraction] Total transmission between
- ! nearest neighbor sub-levels
- !
- ! Output Arguments
- !
- real(r8), intent(out) :: abstrc(pcols) ! total trace gas absorptivity
- !
- !--------------------------Local Variables------------------------------
- !
- integer i,l ! loop counters
- !
- real(r8) sqti(pcols) ! square root of mean temp
- real(r8) rsqti(pcols) ! reciprocal of sqti
- real(r8) du1 ! cfc11 path length
- real(r8) du2 ! cfc12 path length
- real(r8) acfc1 ! absorptivity of cfc11 798 cm-1 band
- !
- real(r8) acfc2 ! absorptivity of cfc11 846 cm-1 band
- real(r8) acfc3 ! absorptivity of cfc11 933 cm-1 band
- real(r8) acfc4 ! absorptivity of cfc11 1085 cm-1 band
- real(r8) acfc5 ! absorptivity of cfc11 889 cm-1 band
- real(r8) acfc6 ! absorptivity of cfc11 923 cm-1 band
- !
- real(r8) acfc7 ! absorptivity of cfc11 1102 cm-1 band
- real(r8) acfc8 ! absorptivity of cfc11 1161 cm-1 band
- real(r8) du01 ! n2o path length
- real(r8) dbeta01 ! n2o pressure factors
- real(r8) dbeta11 ! "
- !
- real(r8) an2o1 ! absorptivity of the 1285 cm-1 n2o band
- real(r8) du02 ! n2o path length
- real(r8) dbeta02 ! n2o pressure factor
- real(r8) an2o2 ! absorptivity of the 589 cm-1 n2o band
- real(r8) du03 ! n2o path length
- !
- real(r8) dbeta03 ! n2o pressure factor
- real(r8) an2o3 ! absorptivity of the 1168 cm-1 n2o band
- real(r8) duch4 ! ch4 path length
- real(r8) dbetac ! ch4 pressure factor
- real(r8) ach4 ! absorptivity of the 1306 cm-1 ch4 band
- !
- real(r8) du11 ! co2 path length
- real(r8) du12 ! "
- real(r8) du13 ! "
- real(r8) dbetc1 ! co2 pressure factor
- real(r8) dbetc2 ! co2 pressure factor
- !
- real(r8) aco21 ! absorptivity of the 1064 cm-1 co2 band
- real(r8) du21 ! co2 path length
- real(r8) du22 ! "
- real(r8) du23 ! "
- real(r8) aco22 ! absorptivity of the 961 cm-1 co2 band
- !
- real(r8) tt(pcols) ! temp. factor for h2o overlap
- real(r8) psi1 ! "
- real(r8) phi1 ! "
- real(r8) p1 ! factor for h2o overlap
- real(r8) w1 ! "
- !
- real(r8) ds2c(pcols) ! continuum path length
- real(r8) duptyp(pcols) ! p-type path length
- real(r8) tw(pcols,6) ! h2o transmission overlap
- real(r8) g1(6) ! h2o overlap factor
- real(r8) g2(6) ! "
- !
- real(r8) g3(6) ! "
- real(r8) g4(6) ! "
- real(r8) ab(6) ! h2o temp. factor
- real(r8) bb(6) ! "
- real(r8) abp(6) ! "
- !
- real(r8) bbp(6) ! "
- real(r8) tcfc3 ! transmission of cfc11 band
- real(r8) tcfc4 ! transmission of cfc11 band
- real(r8) tcfc6 ! transmission of cfc12 band
- real(r8) tcfc7 ! "
- !
- real(r8) tcfc8 ! "
- real(r8) tlw ! h2o transmission
- real(r8) tch4 ! ch4 transmission
- !
- !--------------------------Data Statements------------------------------
- !
- data g1 /0.0468556,0.0397454,0.0407664,0.0304380,0.0540398,0.0321962/
- data g2 /14.4832,4.30242,5.23523,3.25342,0.698935,16.5599/
- data g3 /26.1898,18.4476,15.3633,12.1927,9.14992,8.07092/
- data g4 /0.0261782,0.0369516,0.0307266,0.0243854,0.0182932,0.0161418/
- data ab /3.0857e-2,2.3524e-2,1.7310e-2,2.6661e-2,2.8074e-2,2.2915e-2/
- data bb /-1.3512e-4,-6.8320e-5,-3.2609e-5,-1.0228e-5,-9.5743e-5,-1.0304e-4/
- data abp/2.9129e-2,2.4101e-2,1.9821e-2,2.6904e-2,2.9458e-2,1.9892e-2/
- data bbp/-1.3139e-4,-5.5688e-5,-4.6380e-5,-8.0362e-5,-1.0115e-4,-8.8061e-5/
- !
- !--------------------------Statement Functions--------------------------
- !
- real(r8) func, u, b
- func(u,b) = u/sqrt(4.0 + u*(1.0 + 1.0 / b))
- !
- !------------------------------------------------------------------
- !
- do i = 1,ncol
- sqti(i) = sqrt(tbar(i,kn))
- rsqti(i) = 1. / sqti(i)
- !
- ! h2o transmission
- !
- tt(i) = abs(tbar(i,kn) - 250.0)
- ds2c(i) = abs(s2c(i,k2+1) - s2c(i,k2))*uinpl(i,kn)
- duptyp(i) = abs(uptype(i,k2+1) - uptype(i,k2))*uinpl(i,kn)
- end do
- !
- do l = 1,6
- do i = 1,ncol
- psi1 = exp(abp(l)*tt(i)+bbp(l)*tt(i)*tt(i))
- phi1 = exp(ab(l)*tt(i)+bb(l)*tt(i)*tt(i))
- p1 = pnew(i) * (psi1/phi1) / sslp
- w1 = dw(i) * winpl(i,kn) * phi1
- tw(i,l) = exp(- g1(l)*p1*(sqrt(1.0+g2(l)*(w1/p1))-1.0) &
- - g3(l)*ds2c(i)-g4(l)*duptyp(i))
- end do
- end do
- !
- do i=1,ncol
- tw(i,1)=tw(i,1)*(0.7*aer_trn_ngh(i,idx_LW_0650_0800)+&! l=1: 0750--0820 cm-1
- 0.3*aer_trn_ngh(i,idx_LW_0800_1000))
- tw(i,2)=tw(i,2)*aer_trn_ngh(i,idx_LW_0800_1000) ! l=2: 0820--0880 cm-1
- tw(i,3)=tw(i,3)*aer_trn_ngh(i,idx_LW_0800_1000) ! l=3: 0880--0900 cm-1
- tw(i,4)=tw(i,4)*aer_trn_ngh(i,idx_LW_0800_1000) ! l=4: 0900--1000 cm-1
- tw(i,5)=tw(i,5)*aer_trn_ngh(i,idx_LW_1000_1200) ! l=5: 1000--1120 cm-1
- tw(i,6)=tw(i,6)*aer_trn_ngh(i,idx_LW_1000_1200) ! l=6: 1120--1170 cm-1
- end do ! end loop over lon
- do i = 1,ncol
- !
- du1 = abs(ucfc11(i,k2+1) - ucfc11(i,k2)) * winpl(i,kn)
- du2 = abs(ucfc12(i,k2+1) - ucfc12(i,k2)) * winpl(i,kn)
- !
- ! cfc transmissions
- !
- tcfc3 = exp(-175.005*du1)
- tcfc4 = exp(-1202.18*du1)
- tcfc6 = exp(-5786.73*du2)
- tcfc7 = exp(-2873.51*du2)
- tcfc8 = exp(-2085.59*du2)
- !
- ! Absorptivity for CFC11 bands
- !
- acfc1 = 50.0*(1.0 - exp(-54.09*du1)) * tw(i,1)*bplnk(7,i,kn)
- acfc2 = 60.0*(1.0 - exp(-5130.03*du1))*tw(i,2)*bplnk(8,i,kn)
- acfc3 = 60.0*(1.0 - tcfc3)*tw(i,4)*tcfc6 * bplnk(9,i,kn)
- acfc4 = 100.0*(1.0 - tcfc4)* tw(i,5) * bplnk(10,i,kn)
- !
- ! Absorptivity for CFC12 bands
- !
- acfc5 = 45.0*(1.0 - exp(-1272.35*du2))*tw(i,3)*bplnk(11,i,kn)
- acfc6 = 50.0*(1.0 - tcfc6)*tw(i,4)*bplnk(12,i,kn)
- acfc7 = 80.0*(1.0 - tcfc7)* tw(i,5)*tcfc4 *bplnk(13,i,kn)
- acfc8 = 70.0*(1.0 - tcfc8)*tw(i,6)*bplnk(14,i,kn)
- !
- ! Absorptivity for CH4 band 1306 cm-1
- !
- tlw = exp(-1.0*sqrt(up2(i)))
- tlw=tlw*aer_trn_ngh(i,idx_LW_1200_2000)
- duch4 = abs(uch4(i,k2+1) - uch4(i,k2)) * winpl(i,kn)
- dbetac = 2.94449 * pinpl(i,kn) * rsqti(i) / sslp
- ach4 = 6.00444*sqti(i)*log(1.0 + func(duch4,dbetac)) * tlw * bplnk(3,i,kn)
- tch4 = 1.0/(1.0 + 0.02*func(duch4,dbetac))
- !
- ! Absorptivity for N2O bands
- !
- du01 = abs(un2o0(i,k2+1) - un2o0(i,k2)) * winpl(i,kn)
- du11 = abs(un2o1(i,k2+1) - un2o1(i,k2)) * winpl(i,kn)
- dbeta01 = 19.399 * pinpl(i,kn) * rsqti(i) / sslp
- dbeta11 = dbeta01
- !
- ! 1285 cm-1 band
- !
- an2o1 = 2.35558*sqti(i)*log(1.0 + func(du01,dbeta01) &
- + func(du11,dbeta11)) * tlw * tch4 * bplnk(4,i,kn)
- du02 = 0.100090*du01
- du12 = 0.0992746*du11
- dbeta02 = 0.964282*dbeta01
- !
- ! 589 cm-1 band
- !
- an2o2 = 2.65581*sqti(i)*log(1.0 + func(du02,dbeta02) &
- + func(du12,dbeta02)) * tco2(i) * th2o(i) * bplnk(5,i,kn)
- du03 = 0.0333767*du01
- dbeta03 = 0.982143*dbeta01
- !
- ! 1168 cm-1 band
- !
- an2o3 = 2.54034*sqti(i)*log(1.0 + func(du03,dbeta03)) * &
- tw(i,6) * tcfc8 * bplnk(6,i,kn)
- !
- ! Absorptivity for 1064 cm-1 band of CO2
- !
- du11 = abs(uco211(i,k2+1) - uco211(i,k2)) * winpl(i,kn)
- du12 = abs(uco212(i,k2+1) - uco212(i,k2)) * winpl(i,kn)
- du13 = abs(uco213(i,k2+1) - uco213(i,k2)) * winpl(i,kn)
- dbetc1 = 2.97558 * pinpl(i,kn) * rsqti(i) / sslp
- dbetc2 = 2.0 * dbetc1
- aco21 = 3.7571*sqti(i)*log(1.0 + func(du11,dbetc1) &
- + func(du12,dbetc2) + func(du13,dbetc2)) &
- * to3(i) * tw(i,5) * tcfc4 * tcfc7 * bplnk(2,i,kn)
- !
- ! Absorptivity for 961 cm-1 band of co2
- !
- du21 = abs(uco221(i,k2+1) - uco221(i,k2)) * winpl(i,kn)
- du22 = abs(uco222(i,k2+1) - uco222(i,k2)) * winpl(i,kn)
- du23 = abs(uco223(i,k2+1) - uco223(i,k2)) * winpl(i,kn)
- aco22 = 3.8443*sqti(i)*log(1.0 + func(du21,dbetc1) &
- + func(du22,dbetc1) + func(du23,dbetc2)) &
- * tw(i,4) * tcfc3 * tcfc6 * bplnk(1,i,kn)
- !
- ! total trace gas absorptivity
- !
- abstrc(i) = acfc1 + acfc2 + acfc3 + acfc4 + acfc5 + acfc6 + &
- acfc7 + acfc8 + an2o1 + an2o2 + an2o3 + ach4 + &
- aco21 + aco22
- end do
- !
- return
- !
- end subroutine trcabn
- subroutine trcems(lchnk ,ncol ,pcols, pverp, &
- k ,co2t ,pnm ,ucfc11 ,ucfc12 , &
- un2o0 ,un2o1 ,bn2o0 ,bn2o1 ,uch4 , &
- bch4 ,uco211 ,uco212 ,uco213 ,uco221 , &
- uco222 ,uco223 ,uptype ,w ,s2c , &
- up2 ,emplnk ,th2o ,tco2 ,to3 , &
- emstrc , &
- aer_trn_ttl)
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Calculate emissivity for CH4, N2O, CFC11 and CFC12 bands.
- !
- ! Method:
- ! See CCM3 Description for equations.
- !
- ! Author: J. Kiehl
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use ppgrid
- ! use volcrad
- implicit none
- !
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pverp
- real(r8), intent(in) :: co2t(pcols,pverp) ! pressure weighted temperature
- real(r8), intent(in) :: pnm(pcols,pverp) ! interface pressure
- real(r8), intent(in) :: ucfc11(pcols,pverp) ! CFC11 path length
- real(r8), intent(in) :: ucfc12(pcols,pverp) ! CFC12 path length
- real(r8), intent(in) :: un2o0(pcols,pverp) ! N2O path length
- !
- real(r8), intent(in) :: un2o1(pcols,pverp) ! N2O path length (hot band)
- real(r8), intent(in) :: uch4(pcols,pverp) ! CH4 path length
- real(r8), intent(in) :: uco211(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(in) :: uco212(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(in) :: uco213(pcols,pverp) ! CO2 9.4 micron band path length
- !
- real(r8), intent(in) :: uco221(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: uco222(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: uco223(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(in) :: uptype(pcols,pverp) ! continuum path length
- real(r8), intent(in) :: bn2o0(pcols,pverp) ! pressure factor for n2o
- !
- real(r8), intent(in) :: bn2o1(pcols,pverp) ! pressure factor for n2o
- real(r8), intent(in) :: bch4(pcols,pverp) ! pressure factor for ch4
- real(r8), intent(in) :: emplnk(14,pcols) ! emissivity Planck factor
- real(r8), intent(in) :: th2o(pcols) ! water vapor overlap factor
- real(r8), intent(in) :: tco2(pcols) ! co2 overlap factor
- !
- real(r8), intent(in) :: to3(pcols) ! o3 overlap factor
- real(r8), intent(in) :: s2c(pcols,pverp) ! h2o continuum path length
- real(r8), intent(in) :: w(pcols,pverp) ! h2o path length
- real(r8), intent(in) :: up2(pcols) ! pressure squared h2o path length
- !
- integer, intent(in) :: k ! level index
- real(r8), intent(in) :: aer_trn_ttl(pcols,pverp,pverp,bnd_nbr_LW) ! aer trn.
- !
- ! Output Arguments
- !
- real(r8), intent(out) :: emstrc(pcols,pverp) ! total trace gas emissivity
- !
- !--------------------------Local Variables------------------------------
- !
- integer i,l ! loop counters
- !
- real(r8) sqti(pcols) ! square root of mean temp
- real(r8) ecfc1 ! emissivity of cfc11 798 cm-1 band
- real(r8) ecfc2 ! " " " 846 cm-1 band
- real(r8) ecfc3 ! " " " 933 cm-1 band
- real(r8) ecfc4 ! " " " 1085 cm-1 band
- !
- real(r8) ecfc5 ! " " cfc12 889 cm-1 band
- real(r8) ecfc6 ! " " " 923 cm-1 band
- real(r8) ecfc7 ! " " " 1102 cm-1 band
- real(r8) ecfc8 ! " " " 1161 cm-1 band
- real(r8) u01 ! n2o path length
- !
- real(r8) u11 ! n2o path length
- real(r8) beta01 ! n2o pressure factor
- real(r8) beta11 ! n2o pressure factor
- real(r8) en2o1 ! emissivity of the 1285 cm-1 N2O band
- real(r8) u02 ! n2o path length
- !
- real(r8) u12 ! n2o path length
- real(r8) beta02 ! n2o pressure factor
- real(r8) en2o2 ! emissivity of the 589 cm-1 N2O band
- real(r8) u03 ! n2o path length
- real(r8) beta03 ! n2o pressure factor
- !
- real(r8) en2o3 ! emissivity of the 1168 cm-1 N2O band
- real(r8) betac ! ch4 pressure factor
- real(r8) ech4 ! emissivity of 1306 cm-1 CH4 band
- real(r8) betac1 ! co2 pressure factor
- real(r8) betac2 ! co2 pressure factor
- !
- real(r8) eco21 ! emissivity of 1064 cm-1 CO2 band
- real(r8) eco22 ! emissivity of 961 cm-1 CO2 band
- real(r8) tt(pcols) ! temp. factor for h2o overlap factor
- real(r8) psi1 ! narrow band h2o temp. factor
- real(r8) phi1 ! "
- !
- real(r8) p1 ! h2o line overlap factor
- real(r8) w1 ! "
- real(r8) tw(pcols,6) ! h2o transmission overlap
- real(r8) g1(6) ! h2o overlap factor
- real(r8) g2(6) ! "
- !
- real(r8) g3(6) ! "
- real(r8) g4(6) ! "
- real(r8) ab(6) ! "
- real(r8) bb(6) ! "
- real(r8) abp(6) ! "
- !
- real(r8) bbp(6) ! "
- real(r8) tcfc3 ! transmission for cfc11 band
- real(r8) tcfc4 ! "
- real(r8) tcfc6 ! transmission for cfc12 band
- real(r8) tcfc7 ! "
- !
- real(r8) tcfc8 ! "
- real(r8) tlw ! h2o overlap factor
- real(r8) tch4 ! ch4 overlap factor
- !
- !--------------------------Data Statements------------------------------
- !
- data g1 /0.0468556,0.0397454,0.0407664,0.0304380,0.0540398,0.0321962/
- data g2 /14.4832,4.30242,5.23523,3.25342,0.698935,16.5599/
- data g3 /26.1898,18.4476,15.3633,12.1927,9.14992,8.07092/
- data g4 /0.0261782,0.0369516,0.0307266,0.0243854,0.0182932,0.0161418/
- data ab /3.0857e-2,2.3524e-2,1.7310e-2,2.6661e-2,2.8074e-2,2.2915e-2/
- data bb /-1.3512e-4,-6.8320e-5,-3.2609e-5,-1.0228e-5,-9.5743e-5,-1.0304e-4/
- data abp/2.9129e-2,2.4101e-2,1.9821e-2,2.6904e-2,2.9458e-2,1.9892e-2/
- data bbp/-1.3139e-4,-5.5688e-5,-4.6380e-5,-8.0362e-5,-1.0115e-4,-8.8061e-5/
- !
- !--------------------------Statement Functions--------------------------
- !
- real(r8) func, u, b
- func(u,b) = u/sqrt(4.0 + u*(1.0 + 1.0 / b))
- !
- !-----------------------------------------------------------------------
- !
- do i = 1,ncol
- sqti(i) = sqrt(co2t(i,k))
- !
- ! Transmission for h2o
- !
- tt(i) = abs(co2t(i,k) - 250.0)
- end do
- !
- do l = 1,6
- do i = 1,ncol
- psi1 = exp(abp(l)*tt(i)+bbp(l)*tt(i)*tt(i))
- phi1 = exp(ab(l)*tt(i)+bb(l)*tt(i)*tt(i))
- p1 = pnm(i,k) * (psi1/phi1) / sslp
- w1 = w(i,k) * phi1
- tw(i,l) = exp(- g1(l)*p1*(sqrt(1.0+g2(l)*(w1/p1))-1.0) &
- - g3(l)*s2c(i,k)-g4(l)*uptype(i,k))
- end do
- end do
- ! Overlap H2O tranmission with STRAER continuum in 6 trace gas
- ! subbands
- do i=1,ncol
- tw(i,1)=tw(i,1)*(0.7*aer_trn_ttl(i,k,1,idx_LW_0650_0800)+&! l=1: 0750--0820 cm-1
- 0.3*aer_trn_ttl(i,k,1,idx_LW_0800_1000))
- tw(i,2)=tw(i,2)*aer_trn_ttl(i,k,1,idx_LW_0800_1000) ! l=2: 0820--0880 cm-1
- tw(i,3)=tw(i,3)*aer_trn_ttl(i,k,1,idx_LW_0800_1000) ! l=3: 0880--0900 cm-1
- tw(i,4)=tw(i,4)*aer_trn_ttl(i,k,1,idx_LW_0800_1000) ! l=4: 0900--1000 cm-1
- tw(i,5)=tw(i,5)*aer_trn_ttl(i,k,1,idx_LW_1000_1200) ! l=5: 1000--1120 cm-1
- tw(i,6)=tw(i,6)*aer_trn_ttl(i,k,1,idx_LW_1000_1200) ! l=6: 1120--1170 cm-1
- end do ! end loop over lon
- !
- do i = 1,ncol
- !
- ! transmission due to cfc bands
- !
- tcfc3 = exp(-175.005*ucfc11(i,k))
- tcfc4 = exp(-1202.18*ucfc11(i,k))
- tcfc6 = exp(-5786.73*ucfc12(i,k))
- tcfc7 = exp(-2873.51*ucfc12(i,k))
- tcfc8 = exp(-2085.59*ucfc12(i,k))
- !
- ! Emissivity for CFC11 bands
- !
- ecfc1 = 50.0*(1.0 - exp(-54.09*ucfc11(i,k))) * tw(i,1) * emplnk(7,i)
- ecfc2 = 60.0*(1.0 - exp(-5130.03*ucfc11(i,k)))* tw(i,2) * emplnk(8,i)
- ecfc3 = 60.0*(1.0 - tcfc3)*tw(i,4)*tcfc6*emplnk(9,i)
- ecfc4 = 100.0*(1.0 - tcfc4)*tw(i,5)*emplnk(10,i)
- !
- ! Emissivity for CFC12 bands
- !
- ecfc5 = 45.0*(1.0 - exp(-1272.35*ucfc12(i,k)))*tw(i,3)*emplnk(11,i)
- ecfc6 = 50.0*(1.0 - tcfc6)*tw(i,4)*emplnk(12,i)
- ecfc7 = 80.0*(1.0 - tcfc7)*tw(i,5)* tcfc4 * emplnk(13,i)
- ecfc8 = 70.0*(1.0 - tcfc8)*tw(i,6) * emplnk(14,i)
- !
- ! Emissivity for CH4 band 1306 cm-1
- !
- tlw = exp(-1.0*sqrt(up2(i)))
- ! Overlap H2O vibration rotation band with STRAER continuum
- ! for CH4 1306 cm-1 and N2O 1285 cm-1 bands
- tlw=tlw*aer_trn_ttl(i,k,1,idx_LW_1200_2000)
- betac = bch4(i,k)/uch4(i,k)
- ech4 = 6.00444*sqti(i)*log(1.0 + func(uch4(i,k),betac)) *tlw * emplnk(3,i)
- tch4 = 1.0/(1.0 + 0.02*func(uch4(i,k),betac))
- !
- ! Emissivity for N2O bands
- !
- u01 = un2o0(i,k)
- u11 = un2o1(i,k)
- beta01 = bn2o0(i,k)/un2o0(i,k)
- beta11 = bn2o1(i,k)/un2o1(i,k)
- !
- ! 1285 cm-1 band
- !
- en2o1 = 2.35558*sqti(i)*log(1.0 + func(u01,beta01) + &
- func(u11,beta11))*tlw*tch4*emplnk(4,i)
- u02 = 0.100090*u01
- u12 = 0.0992746*u11
- beta02 = 0.964282*beta01
- !
- ! 589 cm-1 band
- !
- en2o2 = 2.65581*sqti(i)*log(1.0 + func(u02,beta02) + &
- func(u12,beta02)) * tco2(i) * th2o(i) * emplnk(5,i)
- u03 = 0.0333767*u01
- beta03 = 0.982143*beta01
- !
- ! 1168 cm-1 band
- !
- en2o3 = 2.54034*sqti(i)*log(1.0 + func(u03,beta03)) * &
- tw(i,6) * tcfc8 * emplnk(6,i)
- !
- ! Emissivity for 1064 cm-1 band of CO2
- !
- betac1 = 2.97558*pnm(i,k) / (sslp*sqti(i))
- betac2 = 2.0 * betac1
- eco21 = 3.7571*sqti(i)*log(1.0 + func(uco211(i,k),betac1) &
- + func(uco212(i,k),betac2) + func(uco213(i,k),betac2)) &
- * to3(i) * tw(i,5) * tcfc4 * tcfc7 * emplnk(2,i)
- !
- ! Emissivity for 961 cm-1 band
- !
- eco22 = 3.8443*sqti(i)*log(1.0 + func(uco221(i,k),betac1) &
- + func(uco222(i,k),betac1) + func(uco223(i,k),betac2)) &
- * tw(i,4) * tcfc3 * tcfc6 * emplnk(1,i)
- !
- ! total trace gas emissivity
- !
- emstrc(i,k) = ecfc1 + ecfc2 + ecfc3 + ecfc4 + ecfc5 +ecfc6 + &
- ecfc7 + ecfc8 + en2o1 + en2o2 + en2o3 + ech4 + &
- eco21 + eco22
- end do
- !
- return
- !
- end subroutine trcems
- subroutine trcmix(lchnk ,ncol ,pcols, pver, &
- pmid ,clat, n2o ,ch4 , &
- cfc11 , cfc12 )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Specify zonal mean mass mixing ratios of CH4, N2O, CFC11 and
- ! CFC12
- !
- ! Method:
- ! Distributions assume constant mixing ratio in the troposphere
- ! and a decrease of mixing ratio in the stratosphere. Tropopause
- ! defined by ptrop. The scale height of the particular trace gas
- ! depends on latitude. This assumption produces a more realistic
- ! stratospheric distribution of the various trace gases.
- !
- ! Author: J. Kiehl
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use ppgrid
- ! use phys_grid, only: get_rlat_all_p
- ! use physconst, only: mwdry, mwch4, mwn2o, mwf11, mwf12
- ! use ghg_surfvals, only: ch4vmr, n2ovmr, f11vmr, f12vmr
- implicit none
- !-----------------------------Arguments---------------------------------
- !
- ! Input
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pver
- real(r8), intent(in) :: pmid(pcols,pver) ! model pressures
- real(r8), intent(in) :: clat(pcols) ! latitude in radians for columns
- !
- ! Output
- !
- real(r8), intent(out) :: n2o(pcols,pver) ! nitrous oxide mass mixing ratio
- real(r8), intent(out) :: ch4(pcols,pver) ! methane mass mixing ratio
- real(r8), intent(out) :: cfc11(pcols,pver) ! cfc11 mass mixing ratio
- real(r8), intent(out) :: cfc12(pcols,pver) ! cfc12 mass mixing ratio
- !
- !--------------------------Local Variables------------------------------
- real(r8) :: rmwn2o ! ratio of molecular weight n2o to dry air
- real(r8) :: rmwch4 ! ratio of molecular weight ch4 to dry air
- real(r8) :: rmwf11 ! ratio of molecular weight cfc11 to dry air
- real(r8) :: rmwf12 ! ratio of molecular weight cfc12 to dry air
- !
- integer i ! longitude loop index
- integer k ! level index
- !
- ! real(r8) clat(pcols) ! latitude in radians for columns
- real(r8) coslat(pcols) ! cosine of latitude
- real(r8) dlat ! latitude in degrees
- real(r8) ptrop ! pressure level of tropopause
- real(r8) pratio ! pressure divided by ptrop
- !
- real(r8) xn2o ! pressure scale height for n2o
- real(r8) xch4 ! pressure scale height for ch4
- real(r8) xcfc11 ! pressure scale height for cfc11
- real(r8) xcfc12 ! pressure scale height for cfc12
- !
- real(r8) ch40 ! tropospheric mass mixing ratio for ch4
- real(r8) n2o0 ! tropospheric mass mixing ratio for n2o
- real(r8) cfc110 ! tropospheric mass mixing ratio for cfc11
- real(r8) cfc120 ! tropospheric mass mixing ratio for cfc12
- !
- !-----------------------------------------------------------------------
- rmwn2o = mwn2o/mwdry ! ratio of molecular weight n2o to dry air
- rmwch4 = mwch4/mwdry ! ratio of molecular weight ch4 to dry air
- rmwf11 = mwf11/mwdry ! ratio of molecular weight cfc11 to dry air
- rmwf12 = mwf12/mwdry ! ratio of molecular weight cfc12 to dry air
- !
- ! get latitudes
- !
- ! call get_rlat_all_p(lchnk, ncol, clat)
- do i = 1, ncol
- coslat(i) = cos(clat(i))
- end do
- !
- ! set tropospheric mass mixing ratios
- !
- ch40 = rmwch4 * ch4vmr
- n2o0 = rmwn2o * n2ovmr
- cfc110 = rmwf11 * f11vmr
- cfc120 = rmwf12 * f12vmr
- do i = 1, ncol
- coslat(i) = cos(clat(i))
- end do
- !
- do k = 1,pver
- do i = 1,ncol
- !
- ! set stratospheric scale height factor for gases
- dlat = abs(57.2958 * clat(i))
- if(dlat.le.45.0) then
- xn2o = 0.3478 + 0.00116 * dlat
- xch4 = 0.2353
- xcfc11 = 0.7273 + 0.00606 * dlat
- xcfc12 = 0.4000 + 0.00222 * dlat
- else
- xn2o = 0.4000 + 0.013333 * (dlat - 45)
- xch4 = 0.2353 + 0.0225489 * (dlat - 45)
- xcfc11 = 1.00 + 0.013333 * (dlat - 45)
- xcfc12 = 0.50 + 0.024444 * (dlat - 45)
- end if
- !
- ! pressure of tropopause
- ptrop = 250.0e2 - 150.0e2*coslat(i)**2.0
- !
- ! determine output mass mixing ratios
- if (pmid(i,k) >= ptrop) then
- ch4(i,k) = ch40
- n2o(i,k) = n2o0
- cfc11(i,k) = cfc110
- cfc12(i,k) = cfc120
- else
- pratio = pmid(i,k)/ptrop
- ch4(i,k) = ch40 * (pratio)**xch4
- n2o(i,k) = n2o0 * (pratio)**xn2o
- cfc11(i,k) = cfc110 * (pratio)**xcfc11
- cfc12(i,k) = cfc120 * (pratio)**xcfc12
- end if
- end do
- end do
- !
- return
- !
- end subroutine trcmix
- subroutine trcplk(lchnk ,ncol ,pcols, pver, pverp, &
- tint ,tlayr ,tplnke ,emplnk ,abplnk1 , &
- abplnk2 )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Calculate Planck factors for absorptivity and emissivity of
- ! CH4, N2O, CFC11 and CFC12
- !
- ! Method:
- ! Planck function and derivative evaluated at the band center.
- !
- ! Author: J. Kiehl
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use ppgrid
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pver, pverp
- real(r8), intent(in) :: tint(pcols,pverp) ! interface temperatures
- real(r8), intent(in) :: tlayr(pcols,pverp) ! k-1 level temperatures
- real(r8), intent(in) :: tplnke(pcols) ! Top Layer temperature
- !
- ! output arguments
- !
- real(r8), intent(out) :: emplnk(14,pcols) ! emissivity Planck factor
- real(r8), intent(out) :: abplnk1(14,pcols,pverp) ! non-nearest layer Plack factor
- real(r8), intent(out) :: abplnk2(14,pcols,pverp) ! nearest layer factor
- !
- !--------------------------Local Variables------------------------------
- !
- integer wvl ! wavelength index
- integer i,k ! loop counters
- !
- real(r8) f1(14) ! Planck function factor
- real(r8) f2(14) ! "
- real(r8) f3(14) ! "
- !
- !--------------------------Data Statements------------------------------
- !
- data f1 /5.85713e8,7.94950e8,1.47009e9,1.40031e9,1.34853e8, &
- 1.05158e9,3.35370e8,3.99601e8,5.35994e8,8.42955e8, &
- 4.63682e8,5.18944e8,8.83202e8,1.03279e9/
- data f2 /2.02493e11,3.04286e11,6.90698e11,6.47333e11, &
- 2.85744e10,4.41862e11,9.62780e10,1.21618e11, &
- 1.79905e11,3.29029e11,1.48294e11,1.72315e11, &
- 3.50140e11,4.31364e11/
- data f3 /1383.0,1531.0,1879.0,1849.0,848.0,1681.0, &
- 1148.0,1217.0,1343.0,1561.0,1279.0,1328.0, &
- 1586.0,1671.0/
- !
- !-----------------------------------------------------------------------
- !
- ! Calculate emissivity Planck factor
- !
- do wvl = 1,14
- do i = 1,ncol
- emplnk(wvl,i) = f1(wvl)/(tplnke(i)**4.0*(exp(f3(wvl)/tplnke(i))-1.0))
- end do
- end do
- !
- ! Calculate absorptivity Planck factor for tint and tlayr temperatures
- !
- do wvl = 1,14
- do k = ntoplw, pverp
- do i = 1, ncol
- !
- ! non-nearlest layer function
- !
- abplnk1(wvl,i,k) = (f2(wvl)*exp(f3(wvl)/tint(i,k))) &
- /(tint(i,k)**5.0*(exp(f3(wvl)/tint(i,k))-1.0)**2.0)
- !
- ! nearest layer function
- !
- abplnk2(wvl,i,k) = (f2(wvl)*exp(f3(wvl)/tlayr(i,k))) &
- /(tlayr(i,k)**5.0*(exp(f3(wvl)/tlayr(i,k))-1.0)**2.0)
- end do
- end do
- end do
- !
- return
- end subroutine trcplk
- subroutine trcpth(lchnk ,ncol ,pcols, pver, pverp, &
- tnm ,pnm ,cfc11 ,cfc12 ,n2o , &
- ch4 ,qnm ,ucfc11 ,ucfc12 ,un2o0 , &
- un2o1 ,uch4 ,uco211 ,uco212 ,uco213 , &
- uco221 ,uco222 ,uco223 ,bn2o0 ,bn2o1 , &
- bch4 ,uptype )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Calculate path lengths and pressure factors for CH4, N2O, CFC11
- ! and CFC12.
- !
- ! Method:
- ! See CCM3 description for details
- !
- ! Author: J. Kiehl
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use ppgrid
- ! use ghg_surfvals, only: co2mmr
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pver, pverp
- real(r8), intent(in) :: tnm(pcols,pver) ! Model level temperatures
- real(r8), intent(in) :: pnm(pcols,pverp) ! Pres. at model interfaces (dynes/cm2)
- real(r8), intent(in) :: qnm(pcols,pver) ! h2o specific humidity
- real(r8), intent(in) :: cfc11(pcols,pver) ! CFC11 mass mixing ratio
- !
- real(r8), intent(in) :: cfc12(pcols,pver) ! CFC12 mass mixing ratio
- real(r8), intent(in) :: n2o(pcols,pver) ! N2O mass mixing ratio
- real(r8), intent(in) :: ch4(pcols,pver) ! CH4 mass mixing ratio
- !
- ! Output arguments
- !
- real(r8), intent(out) :: ucfc11(pcols,pverp) ! CFC11 path length
- real(r8), intent(out) :: ucfc12(pcols,pverp) ! CFC12 path length
- real(r8), intent(out) :: un2o0(pcols,pverp) ! N2O path length
- real(r8), intent(out) :: un2o1(pcols,pverp) ! N2O path length (hot band)
- real(r8), intent(out) :: uch4(pcols,pverp) ! CH4 path length
- !
- real(r8), intent(out) :: uco211(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(out) :: uco212(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(out) :: uco213(pcols,pverp) ! CO2 9.4 micron band path length
- real(r8), intent(out) :: uco221(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(out) :: uco222(pcols,pverp) ! CO2 10.4 micron band path length
- !
- real(r8), intent(out) :: uco223(pcols,pverp) ! CO2 10.4 micron band path length
- real(r8), intent(out) :: bn2o0(pcols,pverp) ! pressure factor for n2o
- real(r8), intent(out) :: bn2o1(pcols,pverp) ! pressure factor for n2o
- real(r8), intent(out) :: bch4(pcols,pverp) ! pressure factor for ch4
- real(r8), intent(out) :: uptype(pcols,pverp) ! p-type continuum path length
- !
- !---------------------------Local variables-----------------------------
- !
- integer i ! Longitude index
- integer k ! Level index
- !
- real(r8) co2fac(pcols,1) ! co2 factor
- real(r8) alpha1(pcols) ! stimulated emission term
- real(r8) alpha2(pcols) ! stimulated emission term
- real(r8) rt(pcols) ! reciprocal of local temperature
- real(r8) rsqrt(pcols) ! reciprocal of sqrt of temp
- !
- real(r8) pbar(pcols) ! mean pressure
- real(r8) dpnm(pcols) ! difference in pressure
- real(r8) diff ! diffusivity factor
- !
- !--------------------------Data Statements------------------------------
- !
- data diff /1.66/
- !
- !-----------------------------------------------------------------------
- !
- ! Calculate path lengths for the trace gases at model top
- !
- do i = 1,ncol
- ucfc11(i,ntoplw) = 1.8 * cfc11(i,ntoplw) * pnm(i,ntoplw) * rga
- ucfc12(i,ntoplw) = 1.8 * cfc12(i,ntoplw) * pnm(i,ntoplw) * rga
- un2o0(i,ntoplw) = diff * 1.02346e5 * n2o(i,ntoplw) * pnm(i,ntoplw) * rga / sqrt(tnm(i,ntoplw))
- un2o1(i,ntoplw) = diff * 2.01909 * un2o0(i,ntoplw) * exp(-847.36/tnm(i,ntoplw))
- uch4(i,ntoplw) = diff * 8.60957e4 * ch4(i,ntoplw) * pnm(i,ntoplw) * rga / sqrt(tnm(i,ntoplw))
- co2fac(i,1) = diff * co2mmr * pnm(i,ntoplw) * rga
- alpha1(i) = (1.0 - exp(-1540.0/tnm(i,ntoplw)))**3.0/sqrt(tnm(i,ntoplw))
- alpha2(i) = (1.0 - exp(-1360.0/tnm(i,ntoplw)))**3.0/sqrt(tnm(i,ntoplw))
- uco211(i,ntoplw) = 3.42217e3 * co2fac(i,1) * alpha1(i) * exp(-1849.7/tnm(i,ntoplw))
- uco212(i,ntoplw) = 6.02454e3 * co2fac(i,1) * alpha1(i) * exp(-2782.1/tnm(i,ntoplw))
- uco213(i,ntoplw) = 5.53143e3 * co2fac(i,1) * alpha1(i) * exp(-3723.2/tnm(i,ntoplw))
- uco221(i,ntoplw) = 3.88984e3 * co2fac(i,1) * alpha2(i) * exp(-1997.6/tnm(i,ntoplw))
- uco222(i,ntoplw) = 3.67108e3 * co2fac(i,1) * alpha2(i) * exp(-3843.8/tnm(i,ntoplw))
- uco223(i,ntoplw) = 6.50642e3 * co2fac(i,1) * alpha2(i) * exp(-2989.7/tnm(i,ntoplw))
- bn2o0(i,ntoplw) = diff * 19.399 * pnm(i,ntoplw)**2.0 * n2o(i,ntoplw) * &
- 1.02346e5 * rga / (sslp*tnm(i,ntoplw))
- bn2o1(i,ntoplw) = bn2o0(i,ntoplw) * exp(-847.36/tnm(i,ntoplw)) * 2.06646e5
- bch4(i,ntoplw) = diff * 2.94449 * ch4(i,ntoplw) * pnm(i,ntoplw)**2.0 * rga * &
- 8.60957e4 / (sslp*tnm(i,ntoplw))
- uptype(i,ntoplw) = diff * qnm(i,ntoplw) * pnm(i,ntoplw)**2.0 * &
- exp(1800.0*(1.0/tnm(i,ntoplw) - 1.0/296.0)) * rga / sslp
- end do
- !
- ! Calculate trace gas path lengths through model atmosphere
- !
- do k = ntoplw,pver
- do i = 1,ncol
- rt(i) = 1./tnm(i,k)
- rsqrt(i) = sqrt(rt(i))
- pbar(i) = 0.5 * (pnm(i,k+1) + pnm(i,k)) / sslp
- dpnm(i) = (pnm(i,k+1) - pnm(i,k)) * rga
- alpha1(i) = diff * rsqrt(i) * (1.0 - exp(-1540.0/tnm(i,k)))**3.0
- alpha2(i) = diff * rsqrt(i) * (1.0 - exp(-1360.0/tnm(i,k)))**3.0
- ucfc11(i,k+1) = ucfc11(i,k) + 1.8 * cfc11(i,k) * dpnm(i)
- ucfc12(i,k+1) = ucfc12(i,k) + 1.8 * cfc12(i,k) * dpnm(i)
- un2o0(i,k+1) = un2o0(i,k) + diff * 1.02346e5 * n2o(i,k) * rsqrt(i) * dpnm(i)
- un2o1(i,k+1) = un2o1(i,k) + diff * 2.06646e5 * n2o(i,k) * &
- rsqrt(i) * exp(-847.36/tnm(i,k)) * dpnm(i)
- uch4(i,k+1) = uch4(i,k) + diff * 8.60957e4 * ch4(i,k) * rsqrt(i) * dpnm(i)
- uco211(i,k+1) = uco211(i,k) + 1.15*3.42217e3 * alpha1(i) * &
- co2mmr * exp(-1849.7/tnm(i,k)) * dpnm(i)
- uco212(i,k+1) = uco212(i,k) + 1.15*6.02454e3 * alpha1(i) * &
- co2mmr * exp(-2782.1/tnm(i,k)) * dpnm(i)
- uco213(i,k+1) = uco213(i,k) + 1.15*5.53143e3 * alpha1(i) * &
- co2mmr * exp(-3723.2/tnm(i,k)) * dpnm(i)
- uco221(i,k+1) = uco221(i,k) + 1.15*3.88984e3 * alpha2(i) * &
- co2mmr * exp(-1997.6/tnm(i,k)) * dpnm(i)
- uco222(i,k+1) = uco222(i,k) + 1.15*3.67108e3 * alpha2(i) * &
- co2mmr * exp(-3843.8/tnm(i,k)) * dpnm(i)
- uco223(i,k+1) = uco223(i,k) + 1.15*6.50642e3 * alpha2(i) * &
- co2mmr * exp(-2989.7/tnm(i,k)) * dpnm(i)
- bn2o0(i,k+1) = bn2o0(i,k) + diff * 19.399 * pbar(i) * rt(i) &
- * 1.02346e5 * n2o(i,k) * dpnm(i)
- bn2o1(i,k+1) = bn2o1(i,k) + diff * 19.399 * pbar(i) * rt(i) &
- * 2.06646e5 * exp(-847.36/tnm(i,k)) * n2o(i,k)*dpnm(i)
- bch4(i,k+1) = bch4(i,k) + diff * 2.94449 * rt(i) * pbar(i) &
- * 8.60957e4 * ch4(i,k) * dpnm(i)
- uptype(i,k+1) = uptype(i,k) + diff *qnm(i,k) * &
- exp(1800.0*(1.0/tnm(i,k) - 1.0/296.0)) * pbar(i) * dpnm(i)
- end do
- end do
- !
- return
- end subroutine trcpth
- subroutine aqsat(t ,p ,es ,qs ,ii , &
- ilen ,kk ,kstart ,kend )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Utility procedure to look up and return saturation vapor pressure from
- ! precomputed table, calculate and return saturation specific humidity
- ! (g/g),for input arrays of temperature and pressure (dimensioned ii,kk)
- ! This routine is useful for evaluating only a selected region in the
- ! vertical.
- !
- ! Method:
- ! <Describe the algorithm(s) used in the routine.>
- ! <Also include any applicable external references.>
- !
- ! Author: J. Hack
- !
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: ii ! I dimension of arrays t, p, es, qs
- integer, intent(in) :: kk ! K dimension of arrays t, p, es, qs
- integer, intent(in) :: ilen ! Length of vectors in I direction which
- integer, intent(in) :: kstart ! Starting location in K direction
- integer, intent(in) :: kend ! Ending location in K direction
- real(r8), intent(in) :: t(ii,kk) ! Temperature
- real(r8), intent(in) :: p(ii,kk) ! Pressure
- !
- ! Output arguments
- !
- real(r8), intent(out) :: es(ii,kk) ! Saturation vapor pressure
- real(r8), intent(out) :: qs(ii,kk) ! Saturation specific humidity
- !
- !---------------------------Local workspace-----------------------------
- !
- real(r8) omeps ! 1 - 0.622
- integer i, k ! Indices
- !
- !-----------------------------------------------------------------------
- !
- omeps = 1.0 - epsqs
- do k=kstart,kend
- do i=1,ilen
- es(i,k) = estblf(t(i,k))
- !
- ! Saturation specific humidity
- !
- qs(i,k) = epsqs*es(i,k)/(p(i,k) - omeps*es(i,k))
- !
- ! The following check is to avoid the generation of negative values
- ! that can occur in the upper stratosphere and mesosphere
- !
- qs(i,k) = min(1.0_r8,qs(i,k))
- !
- if (qs(i,k) < 0.0) then
- qs(i,k) = 1.0
- es(i,k) = p(i,k)
- end if
- end do
- end do
- !
- return
- end subroutine aqsat
- !===============================================================================
- subroutine cldefr(lchnk ,ncol ,pcols, pver, pverp, &
- landfrac,t ,rel ,rei ,ps ,pmid , landm, icefrac, snowh)
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Compute cloud water and ice particle size
- !
- ! Method:
- ! use empirical formulas to construct effective radii
- !
- ! Author: J.T. Kiehl, B. A. Boville, P. Rasch
- !
- !-----------------------------------------------------------------------
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pver, pverp
- real(r8), intent(in) :: landfrac(pcols) ! Land fraction
- real(r8), intent(in) :: icefrac(pcols) ! Ice fraction
- real(r8), intent(in) :: t(pcols,pver) ! Temperature
- real(r8), intent(in) :: ps(pcols) ! Surface pressure
- real(r8), intent(in) :: pmid(pcols,pver) ! Midpoint pressures
- real(r8), intent(in) :: landm(pcols)
- real(r8), intent(in) :: snowh(pcols) ! Snow depth over land, water equivalent (m)
- !
- ! Output arguments
- !
- real(r8), intent(out) :: rel(pcols,pver) ! Liquid effective drop size (microns)
- real(r8), intent(out) :: rei(pcols,pver) ! Ice effective drop size (microns)
- !
- !++pjr
- ! following Kiehl
- call reltab(ncol, pcols, pver, t, landfrac, landm, icefrac, rel, snowh)
- ! following Kristjansson and Mitchell
- call reitab(ncol, pcols, pver, t, rei)
- !--pjr
- !
- !
- return
- end subroutine cldefr
- subroutine background(lchnk, ncol, pint, pcols, pverr, pverrp, mmr)
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Set global mean tropospheric aerosol background (or tuning) field
- !
- ! Method:
- ! Specify aerosol mixing ratio.
- ! Aerosol mass mixing ratio
- ! is specified so that the column visible aerosol optical depth is a
- ! specified global number (tauback). This means that the actual mixing
- ! ratio depends on pressure thickness of the lowest three atmospheric
- ! layers near the surface.
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use aer_optics, only: kbg,idxVIS
- ! use physconst, only: gravit
- !-----------------------------------------------------------------------
- implicit none
- !-----------------------------------------------------------------------
- !#include <ptrrgrid.h>
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols,pverr,pverrp
- real(r8), intent(in) :: pint(pcols,pverrp) ! Interface pressure (mks)
- !
- ! Output arguments
- !
- real(r8), intent(out) :: mmr(pcols,pverr) ! "background" aerosol mass mixing ratio
- !
- !---------------------------Local variables-----------------------------
- !
- integer i ! Longitude index
- integer k ! Level index
- !
- real(r8) mass2mmr ! Factor to convert mass to mass mixing ratio
- real(r8) mass ! Mass of "background" aerosol as specified by tauback
- !
- !-----------------------------------------------------------------------
- !
- do i=1,ncol
- mass2mmr = gravmks / (pint(i,pverrp)-pint(i,pverrp-mxaerl))
- do k=1,pverr
- !
- ! Compute aerosol mass mixing ratio for specified levels (1.e3 factor is
- ! for units conversion of the extinction coefficiant from m2/g to m2/kg)
- !
- if ( k >= pverrp-mxaerl ) then
- ! kaervs is not consistent with the values in aer_optics
- ! this ?should? be changed.
- ! rhfac is also implemented differently
- mass = tauback / (1.e3 * kbg(idxVIS))
- mmr(i,k) = mass2mmr*mass
- else
- mmr(i,k) = 0._r8
- endif
- !
- enddo
- enddo
- !
- return
- end subroutine background
- subroutine scale_aerosols(AEROSOLt, pcols, pver, ncol, lchnk, scale)
- !-----------------------------------------------------------------
- ! scale each species as determined by scale factors
- !-----------------------------------------------------------------
- integer, intent(in) :: ncol, lchnk ! number of columns and chunk index
- integer, intent(in) :: pcols, pver
- real(r8), intent(in) :: scale(naer_all) ! scale each aerosol by this amount
- real(r8), intent(inout) :: AEROSOLt(pcols, pver, naer_all) ! aerosols
- integer m
- do m = 1, naer_all
- AEROSOLt(:ncol, :, m) = scale(m)*AEROSOLt(:ncol, :, m)
- end do
- return
- end subroutine scale_aerosols
- subroutine get_int_scales(scales)
- real(r8), intent(out)::scales(naer_all) ! scale each aerosol by this amount
- integer i ! index through species
- !initialize
- scales = 1.
- scales(idxBG) = 1._r8
- scales(idxSUL) = sulscl
- scales(idxSSLT) = ssltscl
-
- do i = idxCARBONfirst, idxCARBONfirst+numCARBON-1
- scales(i) = carscl
- enddo
-
- do i = idxDUSTfirst, idxDUSTfirst+numDUST-1
- scales(i) = dustscl
- enddo
- scales(idxVOLC) = volcscl
- return
- end subroutine get_int_scales
- subroutine vert_interpolate (Match_ps, aerosolc, m_hybi, paerlev, naer_c, pint, n, AEROSOL_mmr, pcols, pver, pverp, ncol, c)
- !--------------------------------------------------------------------
- ! Input: match surface pressure, cam interface pressure,
- ! month index, number of columns, chunk index
- !
- ! Output: Aerosol mass mixing ratio (AEROSOL_mmr)
- !
- ! Method:
- ! interpolate column mass (cumulative) from match onto
- ! cam's vertical grid (pressure coordinate)
- ! convert back to mass mixing ratio
- !
- !--------------------------------------------------------------------
- ! use physconst, only: gravit
- integer, intent(in) :: paerlev,naer_c,pcols,pver,pverp
- real(r8), intent(out) :: AEROSOL_mmr(pcols,pver,naer) ! aerosol mmr from MATCH
- real(r8), intent(in) :: Match_ps(pcols) ! surface pressure at a particular month
- real(r8), intent(in) :: pint(pcols,pverp) ! interface pressure from CAM
- real(r8), intent(in) :: aerosolc(pcols,paerlev,naer_c)
- real(r8), intent(in) :: m_hybi(paerlev)
- integer, intent(in) :: ncol,c ! chunk index and number of columns
- integer, intent(in) :: n ! prv or nxt month index
- !
- ! Local workspace
- !
- integer m ! index to aerosol species
- integer kupper(pcols) ! last upper bound for interpolation
- integer i, k, kk, kkstart, kount ! loop vars for interpolation
- integer isv, ksv, msv ! loop indices to save
- logical bad ! indicates a bad point found
- logical lev_interp_comp ! interpolation completed for a level
- real(r8) AEROSOL(pcols,pverp,naer) ! cumulative mass of aerosol in column beneath upper
- ! interface of level in column at particular month
- real(r8) dpl, dpu ! lower and upper intepolation factors
- real(r8) v_coord ! vertical coordinate
- real(r8) m_to_mmr ! mass to mass mixing ratio conversion factor
- real(r8) AER_diff ! temp var for difference between aerosol masses
- ! call t_startf ('vert_interpolate')
- !
- ! Initialize index array
- !
- do i=1,ncol
- kupper(i) = 1
- end do
- !
- ! assign total mass to topmost level
- !
-
- do i=1,ncol
- do m=1,naer
- AEROSOL(i,1,m) = AEROSOLc(i,1,m)
- enddo
- enddo
- !
- ! At every pressure level, interpolate onto that pressure level
- !
- do k=2,pver
- !
- ! Top level we need to start looking is the top level for the previous k
- ! for all longitude points
- !
- kkstart = paerlev
- do i=1,ncol
- kkstart = min0(kkstart,kupper(i))
- end do
- kount = 0
- !
- ! Store level indices for interpolation
- !
- ! for the pressure interpolation should be comparing
- ! pint(column,lev) with M_hybi(lev)*M_ps_cam_col(month,column,chunk)
- !
- lev_interp_comp = .false.
- do kk=kkstart,paerlev-1
- if(.not.lev_interp_comp) then
- do i=1,ncol
- v_coord = pint(i,k)
- if (M_hybi(kk)*Match_ps(i) .lt. v_coord .and. v_coord .le. M_hybi(kk+1)*Match_ps(i)) then
- kupper(i) = kk
- kount = kount + 1
- end if
- end do
- !
- ! If all indices for this level have been found, do the interpolation and
- ! go to the next level
- !
- ! Interpolate in pressure.
- !
- if (kount.eq.ncol) then
- do i=1,ncol
- do m=1,naer
- dpu = pint(i,k) - M_hybi(kupper(i))*Match_ps(i)
- dpl = M_hybi(kupper(i)+1)*Match_ps(i) - pint(i,k)
- AEROSOL(i,k,m) = &
- (AEROSOLc(i,kupper(i) ,m)*dpl + &
- AEROSOLc(i,kupper(i)+1,m)*dpu)/(dpl + dpu)
- enddo
- enddo !i
- lev_interp_comp = .true.
- end if
- end if
- end do
- !
- ! If we've fallen through the kk=1,levsiz-1 loop, we cannot interpolate and
- ! must extrapolate from the bottom or top pressure level for at least some
- ! of the longitude points.
- !
- if(.not.lev_interp_comp) then
- do i=1,ncol
- do m=1,naer
- if (pint(i,k) .lt. M_hybi(1)*Match_ps(i)) then
- AEROSOL(i,k,m) = AEROSOLc(i,1,m)
- else if (pint(i,k) .gt. M_hybi(paerlev)*Match_ps(i)) then
- AEROSOL(i,k,m) = 0.0
- else
- dpu = pint(i,k) - M_hybi(kupper(i))*Match_ps(i)
- dpl = M_hybi(kupper(i)+1)*Match_ps(i) - pint(i,k)
- AEROSOL(i,k,m) = &
- (AEROSOLc(i,kupper(i) ,m)*dpl + &
- AEROSOLc(i,kupper(i)+1,m)*dpu)/(dpl + dpu)
- end if
- enddo
- end do
- if (kount.gt.ncol) then
- call endrun ('VERT_INTERPOLATE: Bad data: non-monotonicity suspected in dependent variable')
- end if
- end if
- end do
- ! call t_startf ('vi_checks')
- !
- ! aerosol mass beneath lowest interface (pverp) must be 0
- !
- AEROSOL(1:ncol,pverp,:) = 0.
- !
- ! Set mass in layer to zero whenever it is less than
- ! 1.e-40 kg/m^2 in the layer
- !
- do m = 1, naer
- do k = 1, pver
- do i = 1, ncol
- if (AEROSOL(i,k,m) < 1.e-40_r8) AEROSOL(i,k,m) = 0.
- end do
- end do
- end do
- !
- ! Set mass in layer to zero whenever it is less than
- ! 10^-15 relative to column total mass
- ! convert back to mass mixing ratios.
- ! exit if mmr is negative
- !
- do m = 1, naer
- do k = 1, pver
- do i = 1, ncol
- AER_diff = AEROSOL(i,k,m) - AEROSOL(i,k+1,m)
- if( abs(AER_diff) < 1e-15*AEROSOL(i,1,m)) then
- AER_diff = 0.
- end if
- m_to_mmr = gravmks / (pint(i,k+1)-pint(i,k))
- AEROSOL_mmr(i,k,m)= AER_diff * m_to_mmr
- if (AEROSOL_mmr(i,k,m) < 0) then
- write(6,*)'vert_interpolate: mmr < 0, m, col, lev, mmr',m, i, k, AEROSOL_mmr(i,k,m)
- write(6,*)'vert_interpolate: aerosol(k),(k+1)',AEROSOL(i,k,m),AEROSOL(i,k+1,m)
- write(6,*)'vert_interpolate: pint(k+1),(k)',pint(i,k+1),pint(i,k)
- write(6,*)'n,c',n,c
- call endrun()
- end if
- end do
- end do
- end do
- ! call t_stopf ('vi_checks')
- ! call t_stopf ('vert_interpolate')
- return
- end subroutine vert_interpolate
- !===============================================================================
- subroutine cldems(lchnk ,ncol ,pcols, pver, pverp, clwp ,fice ,rei ,emis )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Compute cloud emissivity using cloud liquid water path (g/m**2)
- !
- ! Method:
- ! <Describe the algorithm(s) used in the routine.>
- ! <Also include any applicable external references.>
- !
- ! Author: J.T. Kiehl
- !
- !-----------------------------------------------------------------------
- implicit none
- !------------------------------Parameters-------------------------------
- !
- real(r8) kabsl ! longwave liquid absorption coeff (m**2/g)
- parameter (kabsl = 0.090361)
- !
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pver, pverp
- real(r8), intent(in) :: clwp(pcols,pver) ! cloud liquid water path (g/m**2)
- real(r8), intent(in) :: rei(pcols,pver) ! ice effective drop size (microns)
- real(r8), intent(in) :: fice(pcols,pver) ! fractional ice content within cloud
- !
- ! Output arguments
- !
- real(r8), intent(out) :: emis(pcols,pver) ! cloud emissivity (fraction)
- !
- !---------------------------Local workspace-----------------------------
- !
- integer i,k ! longitude, level indices
- real(r8) kabs ! longwave absorption coeff (m**2/g)
- real(r8) kabsi ! ice absorption coefficient
- !
- !-----------------------------------------------------------------------
- !
- do k=1,pver
- do i=1,ncol
- kabsi = 0.005 + 1./rei(i,k)
- kabs = kabsl*(1.-fice(i,k)) + kabsi*fice(i,k)
- emis(i,k) = 1. - exp(-1.66*kabs*clwp(i,k))
- end do
- end do
- !
- return
- end subroutine cldems
- !===============================================================================
- subroutine cldovrlap(lchnk ,ncol ,pcols, pver, pverp, pint ,cld ,nmxrgn ,pmxrgn )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Partitions each column into regions with clouds in neighboring layers.
- ! This information is used to implement maximum overlap in these regions
- ! with random overlap between them.
- ! On output,
- ! nmxrgn contains the number of regions in each column
- ! pmxrgn contains the interface pressures for the lower boundaries of
- ! each region!
- ! Method:
- !
- ! Author: W. Collins
- !
- !-----------------------------------------------------------------------
- implicit none
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pver, pverp
- real(r8), intent(in) :: pint(pcols,pverp) ! Interface pressure
- real(r8), intent(in) :: cld(pcols,pver) ! Fractional cloud cover
- !
- ! Output arguments
- !
- real(r8), intent(out) :: pmxrgn(pcols,pverp)! Maximum values of pressure for each
- ! maximally overlapped region.
- ! 0->pmxrgn(i,1) is range of pressure for
- ! 1st region,pmxrgn(i,1)->pmxrgn(i,2) for
- ! 2nd region, etc
- integer nmxrgn(pcols) ! Number of maximally overlapped regions
- !
- !---------------------------Local variables-----------------------------
- !
- integer i ! Longitude index
- integer k ! Level index
- integer n ! Max-overlap region counter
- real(r8) pnm(pcols,pverp) ! Interface pressure
- logical cld_found ! Flag for detection of cloud
- logical cld_layer(pver) ! Flag for cloud in layer
- !
- !------------------------------------------------------------------------
- !
- do i = 1, ncol
- cld_found = .false.
- cld_layer(:) = cld(i,:) > 0.0_r8
- pmxrgn(i,:) = 0.0
- pnm(i,:)=pint(i,:)*10.
- n = 1
- do k = 1, pver
- if (cld_layer(k) .and. .not. cld_found) then
- cld_found = .true.
- else if ( .not. cld_layer(k) .and. cld_found) then
- cld_found = .false.
- if (count(cld_layer(k:pver)) == 0) then
- exit
- endif
- pmxrgn(i,n) = pnm(i,k)
- n = n + 1
- endif
- end do
- pmxrgn(i,n) = pnm(i,pverp)
- nmxrgn(i) = n
- end do
- return
- end subroutine cldovrlap
- !===============================================================================
- subroutine cldclw(lchnk ,ncol ,pcols, pver, pverp, zi ,clwp ,tpw ,hl )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Evaluate cloud liquid water path clwp (g/m**2)
- !
- ! Method:
- ! <Describe the algorithm(s) used in the routine.>
- ! <Also include any applicable external references.>
- !
- ! Author: J.T. Kiehl
- !
- !-----------------------------------------------------------------------
- implicit none
- !
- ! Input arguments
- !
- integer, intent(in) :: lchnk ! chunk identifier
- integer, intent(in) :: ncol ! number of atmospheric columns
- integer, intent(in) :: pcols, pver, pverp
- real(r8), intent(in) :: zi(pcols,pverp) ! height at layer interfaces(m)
- real(r8), intent(in) :: tpw(pcols) ! total precipitable water (mm)
- !
- ! Output arguments
- !
- real(r8) clwp(pcols,pver) ! cloud liquid water path (g/m**2)
- real(r8) hl(pcols) ! liquid water scale height
- real(r8) rhl(pcols) ! 1/hl
- !
- !---------------------------Local workspace-----------------------------
- !
- integer i,k ! longitude, level indices
- real(r8) clwc0 ! reference liquid water concentration (g/m**3)
- real(r8) emziohl(pcols,pverp) ! exp(-zi/hl)
- !
- !-----------------------------------------------------------------------
- !
- ! Set reference liquid water concentration
- !
- clwc0 = 0.21
- !
- ! Diagnose liquid water scale height from precipitable water
- !
- do i=1,ncol
- hl(i) = 700.0*log(max(tpw(i)+1.0_r8,1.0_r8))
- rhl(i) = 1.0/hl(i)
- end do
- !
- ! Evaluate cloud liquid water path (vertical integral of exponential fn)
- !
- do k=1,pverp
- do i=1,ncol
- emziohl(i,k) = exp(-zi(i,k)*rhl(i))
- end do
- end do
- do k=1,pver
- do i=1,ncol
- clwp(i,k) = clwc0*hl(i)*(emziohl(i,k+1) - emziohl(i,k))
- end do
- end do
- !
- return
- end subroutine cldclw
- !===============================================================================
- subroutine reltab(ncol, pcols, pver, t, landfrac, landm, icefrac, rel, snowh)
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Compute cloud water size
- !
- ! Method:
- ! analytic formula following the formulation originally developed by J. T. Kiehl
- !
- ! Author: Phil Rasch
- !
- !-----------------------------------------------------------------------
- ! use physconst, only: tmelt
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- integer, intent(in) :: ncol
- integer, intent(in) :: pcols, pver
- real(r8), intent(in) :: landfrac(pcols) ! Land fraction
- real(r8), intent(in) :: icefrac(pcols) ! Ice fraction
- real(r8), intent(in) :: snowh(pcols) ! Snow depth over land, water equivalent (m)
- real(r8), intent(in) :: landm(pcols) ! Land fraction ramping to zero over ocean
- real(r8), intent(in) :: t(pcols,pver) ! Temperature
- !
- ! Output arguments
- !
- real(r8), intent(out) :: rel(pcols,pver) ! Liquid effective drop size (microns)
- !
- !---------------------------Local workspace-----------------------------
- !
- integer i,k ! Lon, lev indices
- real(r8) rliqland ! liquid drop size if over land
- real(r8) rliqocean ! liquid drop size if over ocean
- real(r8) rliqice ! liquid drop size if over sea ice
- !
- !-----------------------------------------------------------------------
- !
- rliqocean = 14.0_r8
- rliqice = 14.0_r8
- rliqland = 8.0_r8
- do k=1,pver
- do i=1,ncol
- ! jrm Reworked effective radius algorithm
- ! Start with temperature-dependent value appropriate for continental air
- ! Note: findmcnew has a pressure dependence here
- rel(i,k) = rliqland + (rliqocean-rliqland) * min(1.0_r8,max(0.0_r8,(tmelt-t(i,k))*0.05))
- ! Modify for snow depth over land
- rel(i,k) = rel(i,k) + (rliqocean-rel(i,k)) * min(1.0_r8,max(0.0_r8,snowh(i)*10.))
- ! Ramp between polluted value over land to clean value over ocean.
- rel(i,k) = rel(i,k) + (rliqocean-rel(i,k)) * min(1.0_r8,max(0.0_r8,1.0-landm(i)))
- ! Ramp between the resultant value and a sea ice value in the presence of ice.
- rel(i,k) = rel(i,k) + (rliqice-rel(i,k)) * min(1.0_r8,max(0.0_r8,icefrac(i)))
- ! end jrm
- end do
- end do
- end subroutine reltab
- !===============================================================================
- subroutine reitab(ncol, pcols, pver, t, re)
- !
- integer, intent(in) :: ncol, pcols, pver
- real(r8), intent(out) :: re(pcols,pver)
- real(r8), intent(in) :: t(pcols,pver)
- real(r8) corr
- integer i
- integer k
- integer index
- !
- do k=1,pver
- do i=1,ncol
- index = int(t(i,k)-179.)
- index = min(max(index,1),94)
- corr = t(i,k) - int(t(i,k))
- re(i,k) = retab(index)*(1.-corr) &
- +retab(index+1)*corr
- ! re(i,k) = amax1(amin1(re(i,k),30.),10.)
- end do
- end do
- !
- return
- end subroutine reitab
-
- function exp_interpol(x, f, y) result(g)
- ! Purpose:
- ! interpolates f(x) to point y
- ! assuming f(x) = f(x0) exp a(x - x0)
- ! where a = ( ln f(x1) - ln f(x0) ) / (x1 - x0)
- ! x0 <= x <= x1
- ! assumes x is monotonically increasing
- ! Author: D. Fillmore
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- implicit none
- real(r8), intent(in), dimension(:) :: x ! grid points
- real(r8), intent(in), dimension(:) :: f ! grid function values
- real(r8), intent(in) :: y ! interpolation point
- real(r8) :: g ! interpolated function value
- integer :: k ! interpolation point index
- integer :: n ! length of x
- real(r8) :: a
- n = size(x)
- ! find k such that x(k) < y =< x(k+1)
- ! set k = 1 if y <= x(1) and k = n-1 if y > x(n)
- if (y <= x(1)) then
- k = 1
- else if (y >= x(n)) then
- k = n - 1
- else
- k = 1
- do while (y > x(k+1) .and. k < n)
- k = k + 1
- end do
- end if
- ! interpolate
- a = ( log( f(k+1) / f(k) ) ) / ( x(k+1) - x(k) )
- g = f(k) * exp( a * (y - x(k)) )
- end function exp_interpol
- function lin_interpol(x, f, y) result(g)
-
- ! Purpose:
- ! interpolates f(x) to point y
- ! assuming f(x) = f(x0) + a * (x - x0)
- ! where a = ( f(x1) - f(x0) ) / (x1 - x0)
- ! x0 <= x <= x1
- ! assumes x is monotonically increasing
- ! Author: D. Fillmore
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- implicit none
-
- real(r8), intent(in), dimension(:) :: x ! grid points
- real(r8), intent(in), dimension(:) :: f ! grid function values
- real(r8), intent(in) :: y ! interpolation point
- real(r8) :: g ! interpolated function value
-
- integer :: k ! interpolation point index
- integer :: n ! length of x
- real(r8) :: a
- n = size(x)
- ! find k such that x(k) < y =< x(k+1)
- ! set k = 1 if y <= x(1) and k = n-1 if y > x(n)
- if (y <= x(1)) then
- k = 1
- else if (y >= x(n)) then
- k = n - 1
- else
- k = 1
- do while (y > x(k+1) .and. k < n)
- k = k + 1
- end do
- end if
- ! interpolate
- a = ( f(k+1) - f(k) ) / ( x(k+1) - x(k) )
- g = f(k) + a * (y - x(k))
- end function lin_interpol
- function lin_interpol2(x, f, y) result(g)
- ! Purpose:
- ! interpolates f(x) to point y
- ! assuming f(x) = f(x0) + a * (x - x0)
- ! where a = ( f(x1) - f(x0) ) / (x1 - x0)
- ! x0 <= x <= x1
- ! assumes x is monotonically increasing
- ! Author: D. Fillmore :: J. Done changed from r8 to r4
- implicit none
- real, intent(in), dimension(:) :: x ! grid points
- real, intent(in), dimension(:) :: f ! grid function values
- real, intent(in) :: y ! interpolation point
- real :: g ! interpolated function value
- integer :: k ! interpolation point index
- integer :: n ! length of x
- real :: a
- n = size(x)
- ! find k such that x(k) < y =< x(k+1)
- ! set k = 1 if y <= x(1) and k = n-1 if y > x(n)
- if (y <= x(1)) then
- k = 1
- else if (y >= x(n)) then
- k = n - 1
- else
- k = 1
- do while (y > x(k+1) .and. k < n)
- k = k + 1
- end do
- end if
- ! interpolate
- a = ( f(k+1) - f(k) ) / ( x(k+1) - x(k) )
- g = f(k) + a * (y - x(k))
- end function lin_interpol2
- subroutine getfactors (cycflag, np1, cdayminus, cdayplus, cday, &
- fact1, fact2)
- !---------------------------------------------------------------------------
- !
- ! Purpose: Determine time interpolation factors (normally for a boundary dataset)
- ! for linear interpolation.
- !
- ! Method: Assume 365 days per year. Output variable fact1 will be the weight to
- ! apply to data at calendar time "cdayminus", and fact2 the weight to apply
- ! to data at time "cdayplus". Combining these values will produce a result
- ! valid at time "cday". Output arguments fact1 and fact2 will be between
- ! 0 and 1, and fact1 + fact2 = 1 to roundoff.
- !
- ! Author: Jim Rosinski
- !
- !---------------------------------------------------------------------------
- implicit none
- !
- ! Arguments
- !
- logical, intent(in) :: cycflag ! flag indicates whether dataset is being cycled yearly
- integer, intent(in) :: np1 ! index points to forward time slice matching cdayplus
- real(r8), intent(in) :: cdayminus ! calendar day of rearward time slice
- real(r8), intent(in) :: cdayplus ! calendar day of forward time slice
- real(r8), intent(in) :: cday ! calenar day to be interpolated to
- real(r8), intent(out) :: fact1 ! time interpolation factor to apply to rearward time slice
- real(r8), intent(out) :: fact2 ! time interpolation factor to apply to forward time slice
- ! character(len=*), intent(in) :: str ! string to be added to print in case of error (normally the callers name)
- !
- ! Local workspace
- !
- real(r8) :: deltat ! time difference (days) between cdayminus and cdayplus
- real(r8), parameter :: daysperyear = 365. ! number of days in a year
- !
- ! Initial sanity checks
- !
- ! if (np1 == 1 .and. .not. cycflag) then
- ! call endrun ('GETFACTORS:'//str//' cycflag false and forward month index = Jan. not allowed')
- ! end if
- ! if (np1 < 1) then
- ! call endrun ('GETFACTORS:'//str//' input arg np1 must be > 0')
- ! end if
- if (cycflag) then
- if ((cday < 1.) .or. (cday > (daysperyear+1.))) then
- write(6,*) 'GETFACTORS:', ' bad cday=',cday
- call endrun ()
- end if
- else
- if (cday < 1.) then
- write(6,*) 'GETFACTORS:', ' bad cday=',cday
- call endrun ()
- end if
- end if
- !
- ! Determine time interpolation factors. Account for December-January
- ! interpolation if dataset is being cycled yearly.
- !
- if (cycflag .and. np1 == 1) then ! Dec-Jan interpolation
- deltat = cdayplus + daysperyear - cdayminus
- if (cday > cdayplus) then ! We are in December
- fact1 = (cdayplus + daysperyear - cday)/deltat
- fact2 = (cday - cdayminus)/deltat
- else ! We are in January
- fact1 = (cdayplus - cday)/deltat
- fact2 = (cday + daysperyear - cdayminus)/deltat
- end if
- else
- deltat = cdayplus - cdayminus
- fact1 = (cdayplus - cday)/deltat
- fact2 = (cday - cdayminus)/deltat
- end if
- if (.not. validfactors (fact1, fact2)) then
- write(6,*) 'GETFACTORS: ', ' bad fact1 and/or fact2=', fact1, fact2
- call endrun ()
- end if
- return
- end subroutine getfactors
- logical function validfactors (fact1, fact2)
- !---------------------------------------------------------------------------
- !
- ! Purpose: check sanity of time interpolation factors to within 32-bit roundoff
- !
- !---------------------------------------------------------------------------
- implicit none
- real(r8), intent(in) :: fact1, fact2 ! time interpolation factors
- validfactors = .true.
- if (abs(fact1+fact2-1.) > 1.e-6 .or. &
- fact1 > 1.000001 .or. fact1 < -1.e-6 .or. &
- fact2 > 1.000001 .or. fact2 < -1.e-6) then
- validfactors = .false.
- end if
- return
- end function validfactors
- subroutine get_rf_scales(scales)
- real(r8), intent(out)::scales(naer_all) ! scale aerosols by this amount
- integer i ! loop index
- scales(idxBG) = bgscl_rf
- scales(idxSUL) = sulscl_rf
- scales(idxSSLT) = ssltscl_rf
- do i = idxCARBONfirst, idxCARBONfirst+numCARBON-1
- scales(i) = carscl_rf
- enddo
- do i = idxDUSTfirst, idxDUSTfirst+numDUST-1
- scales(i) = dustscl_rf
- enddo
- scales(idxVOLC) = volcscl_rf
- end subroutine get_rf_scales
- function psi(tpx,iband)
- !
- ! History: First version for Hitran 1996 (C/H/E)
- ! Current version for Hitran 2000 (C/LT/E)
- ! Short function for Hulst-Curtis-Godson temperature factors for
- ! computing effective H2O path
- ! Line data for H2O: Hitran 2000, plus H2O patches v11.0 for 1341 missing
- ! lines between 500 and 2820 cm^-1.
- ! See cfa-www.harvard.edu/HITRAN
- ! Isotopes of H2O: all
- ! Line widths: air-broadened only (self set to 0)
- ! Code for line strengths and widths: GENLN3
- ! Reference: Edwards, D.P., 1992: GENLN2, A General Line-by-Line Atmospheric
- ! Transmittance and Radiance Model, Version 3.0 Description
- ! and Users Guide, NCAR/TN-367+STR, 147 pp.
- !
- ! Note: functions have been normalized by dividing by their values at
- ! a path temperature of 160K
- !
- ! spectral intervals:
- ! 1 = 0-800 cm^-1 and 1200-2200 cm^-1
- ! 2 = 800-1200 cm^-1
- !
- ! Formulae: Goody and Yung, Atmospheric Radiation: Theoretical Basis,
- ! 2nd edition, Oxford University Press, 1989.
- ! Psi: function for pressure along path
- ! eq. 6.30, p. 228
- !
- real(r8),intent(in):: tpx ! path temperature
- integer, intent(in):: iband ! band to process
- real(r8) psi ! psi for given band
- real(r8),parameter :: psi_r0(nbands) = (/ 5.65308452E-01, -7.30087891E+01/)
- real(r8),parameter :: psi_r1(nbands) = (/ 4.07519005E-03, 1.22199547E+00/)
- real(r8),parameter :: psi_r2(nbands) = (/-1.04347237E-05, -7.12256227E-03/)
- real(r8),parameter :: psi_r3(nbands) = (/ 1.23765354E-08, 1.47852825E-05/)
- psi = (((psi_r3(iband) * tpx) + psi_r2(iband)) * tpx + psi_r1(iband)) * tpx + psi_r0(iband)
- end function psi
- function phi(tpx,iband)
- !
- ! History: First version for Hitran 1996 (C/H/E)
- ! Current version for Hitran 2000 (C/LT/E)
- ! Short function for Hulst-Curtis-Godson temperature factors for
- ! computing effective H2O path
- ! Line data for H2O: Hitran 2000, plus H2O patches v11.0 for 1341 missing
- ! lines between 500 and 2820 cm^-1.
- ! See cfa-www.harvard.edu/HITRAN
- ! Isotopes of H2O: all
- ! Line widths: air-broadened only (self set to 0)
- ! Code for line strengths and widths: GENLN3
- ! Reference: Edwards, D.P., 1992: GENLN2, A General Line-by-Line Atmospheric
- ! Transmittance and Radiance Model, Version 3.0 Description
- ! and Users Guide, NCAR/TN-367+STR, 147 pp.
- !
- ! Note: functions have been normalized by dividing by their values at
- ! a path temperature of 160K
- !
- ! spectral intervals:
- ! 1 = 0-800 cm^-1 and 1200-2200 cm^-1
- ! 2 = 800-1200 cm^-1
- !
- ! Formulae: Goody and Yung, Atmospheric Radiation: Theoretical Basis,
- ! 2nd edition, Oxford University Press, 1989.
- ! Phi: function for H2O path
- ! eq. 6.25, p. 228
- !
- real(r8),intent(in):: tpx ! path temperature
- integer, intent(in):: iband ! band to process
- real(r8) phi ! phi for given band
- real(r8),parameter :: phi_r0(nbands) = (/ 9.60917711E-01, -2.21031342E+01/)
- real(r8),parameter :: phi_r1(nbands) = (/ 4.86076751E-04, 4.24062610E-01/)
- real(r8),parameter :: phi_r2(nbands) = (/-1.84806265E-06, -2.95543415E-03/)
- real(r8),parameter :: phi_r3(nbands) = (/ 2.11239959E-09, 7.52470896E-06/)
- phi = (((phi_r3(iband) * tpx) + phi_r2(iband)) * tpx + phi_r1(iband)) &
- * tpx + phi_r0(iband)
- end function phi
- function fh2oself( temp )
- !
- ! Short function for H2O self-continuum temperature factor in
- ! calculation of effective H2O self-continuum path length
- !
- ! H2O Continuum: CKD 2.4
- ! Code for continuum: GENLN3
- ! Reference: Edwards, D.P., 1992: GENLN2, A General Line-by-Line Atmospheric
- ! Transmittance and Radiance Model, Version 3.0 Description
- ! and Users Guide, NCAR/TN-367+STR, 147 pp.
- !
- ! In GENLN, the temperature scaling of the self-continuum is handled
- ! by exponential interpolation/extrapolation from observations at
- ! 260K and 296K by:
- !
- ! TFAC = (T(IPATH) - 296.0)/(260.0 - 296.0)
- ! CSFFT = CSFF296*(CSFF260/CSFF296)**TFAC
- !
- ! For 800-1200 cm^-1, (CSFF260/CSFF296) ranges from ~2.1 to ~1.9
- ! with increasing wavenumber. The ratio <CSFF260>/<CSFF296>,
- ! where <> indicates average over wavenumber, is ~2.07
- !
- ! fh2oself is (<CSFF260>/<CSFF296>)**TFAC
- !
- real(r8),intent(in) :: temp ! path temperature
- real(r8) fh2oself ! mean ratio of self-continuum at temp and 296K
- fh2oself = 2.0727484**((296.0 - temp) / 36.0)
- end function fh2oself
- ! from wv_saturation.F90
- subroutine esinti(epslon ,latvap ,latice ,rh2o ,cpair ,tmelt )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Initialize es lookup tables
- !
- ! Method:
- ! <Describe the algorithm(s) used in the routine.>
- ! <Also include any applicable external references.>
- !
- ! Author: J. Hack
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use wv_saturation, only: gestbl
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- real(r8), intent(in) :: epslon ! Ratio of h2o to dry air molecular weights
- real(r8), intent(in) :: latvap ! Latent heat of vaporization
- real(r8), intent(in) :: latice ! Latent heat of fusion
- real(r8), intent(in) :: rh2o ! Gas constant for water vapor
- real(r8), intent(in) :: cpair ! Specific heat of dry air
- real(r8), intent(in) :: tmelt ! Melting point of water (K)
- !
- !---------------------------Local workspace-----------------------------
- !
- real(r8) tmn ! Minimum temperature entry in table
- real(r8) tmx ! Maximum temperature entry in table
- real(r8) trice ! Trans range from es over h2o to es over ice
- logical ip ! Ice phase (true or false)
- !
- !-----------------------------------------------------------------------
- !
- ! Specify control parameters first
- !
- tmn = 173.16
- tmx = 375.16
- trice = 20.00
- ip = .true.
- !
- ! Call gestbl to build saturation vapor pressure table.
- !
- call gestbl(tmn ,tmx ,trice ,ip ,epslon , &
- latvap ,latice ,rh2o ,cpair ,tmelt )
- !
- return
- end subroutine esinti
- subroutine gestbl(tmn ,tmx ,trice ,ip ,epsil , &
- latvap ,latice ,rh2o ,cpair ,tmeltx )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Builds saturation vapor pressure table for later lookup procedure.
- !
- ! Method:
- ! Uses Goff & Gratch (1946) relationships to generate the table
- ! according to a set of free parameters defined below. Auxiliary
- ! routines are also included for making rapid estimates (well with 1%)
- ! of both es and d(es)/dt for the particular table configuration.
- !
- ! Author: J. Hack
- !
- !-----------------------------------------------------------------------
- ! use pmgrid, only: masterproc
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- real(r8), intent(in) :: tmn ! Minimum temperature entry in es lookup table
- real(r8), intent(in) :: tmx ! Maximum temperature entry in es lookup table
- real(r8), intent(in) :: epsil ! Ratio of h2o to dry air molecular weights
- real(r8), intent(in) :: trice ! Transition range from es over range to es over ice
- real(r8), intent(in) :: latvap ! Latent heat of vaporization
- real(r8), intent(in) :: latice ! Latent heat of fusion
- real(r8), intent(in) :: rh2o ! Gas constant for water vapor
- real(r8), intent(in) :: cpair ! Specific heat of dry air
- real(r8), intent(in) :: tmeltx ! Melting point of water (K)
- !
- !---------------------------Local variables-----------------------------
- !
- real(r8) t ! Temperature
- real(r8) rgasv
- real(r8) cp
- real(r8) hlatf
- real(r8) ttrice
- real(r8) hlatv
- integer n ! Increment counter
- integer lentbl ! Calculated length of lookup table
- integer itype ! Ice phase: 0 -> no ice phase
- ! 1 -> ice phase, no transition
- ! -x -> ice phase, x degree transition
- logical ip ! Ice phase logical flag
- logical icephs
- !
- !-----------------------------------------------------------------------
- !
- ! Set es table parameters
- !
- tmin = tmn ! Minimum temperature entry in table
- tmax = tmx ! Maximum temperature entry in table
- ttrice = trice ! Trans. range from es over h2o to es over ice
- icephs = ip ! Ice phase (true or false)
- !
- ! Set physical constants required for es calculation
- !
- epsqs = epsil
- hlatv = latvap
- hlatf = latice
- rgasv = rh2o
- cp = cpair
- tmelt = tmeltx
- !
- lentbl = INT(tmax-tmin+2.000001)
- if (lentbl .gt. plenest) then
- write(6,9000) tmax, tmin, plenest
- call endrun ('GESTBL') ! Abnormal termination
- end if
- !
- ! Begin building es table.
- ! Check whether ice phase requested.
- ! If so, set appropriate transition range for temperature
- !
- if (icephs) then
- if (ttrice /= 0.0) then
- itype = -ttrice
- else
- itype = 1
- end if
- else
- itype = 0
- end if
- !
- t = tmin - 1.0
- do n=1,lentbl
- t = t + 1.0
- call gffgch(t,estbl(n),itype)
- end do
- !
- do n=lentbl+1,plenest
- estbl(n) = -99999.0
- end do
- !
- ! Table complete -- Set coefficients for polynomial approximation of
- ! difference between saturation vapor press over water and saturation
- ! pressure over ice for -ttrice < t < 0 (degrees C). NOTE: polynomial
- ! is valid in the range -40 < t < 0 (degrees C).
- !
- ! --- Degree 5 approximation ---
- !
- pcf(1) = 5.04469588506e-01
- pcf(2) = -5.47288442819e+00
- pcf(3) = -3.67471858735e-01
- pcf(4) = -8.95963532403e-03
- pcf(5) = -7.78053686625e-05
- !
- ! --- Degree 6 approximation ---
- !
- !-----pcf(1) = 7.63285250063e-02
- !-----pcf(2) = -5.86048427932e+00
- !-----pcf(3) = -4.38660831780e-01
- !-----pcf(4) = -1.37898276415e-02
- !-----pcf(5) = -2.14444472424e-04
- !-----pcf(6) = -1.36639103771e-06
- !
- if (masterproc) then
- write(6,*)' *** SATURATION VAPOR PRESSURE TABLE COMPLETED ***'
- end if
- return
- !
- 9000 format('GESTBL: FATAL ERROR *********************************',/, &
- ' TMAX AND TMIN REQUIRE A LARGER DIMENSION ON THE LENGTH', &
- ' OF THE SATURATION VAPOR PRESSURE TABLE ESTBL(PLENEST)',/, &
- ' TMAX, TMIN, AND PLENEST => ', 2f7.2, i3)
- !
- end subroutine gestbl
- subroutine gffgch(t ,es ,itype )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Computes saturation vapor pressure over water and/or over ice using
- ! Goff & Gratch (1946) relationships.
- ! <Say what the routine does>
- !
- ! Method:
- ! T (temperature), and itype are input parameters, while es (saturation
- ! vapor pressure) is an output parameter. The input parameter itype
- ! serves two purposes: a value of zero indicates that saturation vapor
- ! pressures over water are to be returned (regardless of temperature),
- ! while a value of one indicates that saturation vapor pressures over
- ! ice should be returned when t is less than freezing degrees. If itype
- ! is negative, its absolute value is interpreted to define a temperature
- ! transition region below freezing in which the returned
- ! saturation vapor pressure is a weighted average of the respective ice
- ! and water value. That is, in the temperature range 0 => -itype
- ! degrees c, the saturation vapor pressures are assumed to be a weighted
- ! average of the vapor pressure over supercooled water and ice (all
- ! water at 0 c; all ice at -itype c). Maximum transition range => 40 c
- !
- ! Author: J. Hack
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use physconst, only: tmelt
- ! use abortutils, only: endrun
-
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- real(r8), intent(in) :: t ! Temperature
- !
- ! Output arguments
- !
- integer, intent(inout) :: itype ! Flag for ice phase and associated transition
- real(r8), intent(out) :: es ! Saturation vapor pressure
- !
- !---------------------------Local variables-----------------------------
- !
- real(r8) e1 ! Intermediate scratch variable for es over water
- real(r8) e2 ! Intermediate scratch variable for es over water
- real(r8) eswtr ! Saturation vapor pressure over water
- real(r8) f ! Intermediate scratch variable for es over water
- real(r8) f1 ! Intermediate scratch variable for es over water
- real(r8) f2 ! Intermediate scratch variable for es over water
- real(r8) f3 ! Intermediate scratch variable for es over water
- real(r8) f4 ! Intermediate scratch variable for es over water
- real(r8) f5 ! Intermediate scratch variable for es over water
- real(r8) ps ! Reference pressure (mb)
- real(r8) t0 ! Reference temperature (freezing point of water)
- real(r8) term1 ! Intermediate scratch variable for es over ice
- real(r8) term2 ! Intermediate scratch variable for es over ice
- real(r8) term3 ! Intermediate scratch variable for es over ice
- real(r8) tr ! Transition range for es over water to es over ice
- real(r8) ts ! Reference temperature (boiling point of water)
- real(r8) weight ! Intermediate scratch variable for es transition
- integer itypo ! Intermediate scratch variable for holding itype
- !
- !-----------------------------------------------------------------------
- !
- ! Check on whether there is to be a transition region for es
- !
- if (itype < 0) then
- tr = abs(float(itype))
- itypo = itype
- itype = 1
- else
- tr = 0.0
- itypo = itype
- end if
- if (tr > 40.0) then
- write(6,900) tr
- call endrun ('GFFGCH') ! Abnormal termination
- end if
- !
- if(t < (tmelt - tr) .and. itype == 1) go to 10
- !
- ! Water
- !
- ps = 1013.246
- ts = 373.16
- e1 = 11.344*(1.0 - t/ts)
- e2 = -3.49149*(ts/t - 1.0)
- f1 = -7.90298*(ts/t - 1.0)
- f2 = 5.02808*log10(ts/t)
- f3 = -1.3816*(10.0**e1 - 1.0)/10000000.0
- f4 = 8.1328*(10.0**e2 - 1.0)/1000.0
- f5 = log10(ps)
- f = f1 + f2 + f3 + f4 + f5
- es = (10.0**f)*100.0
- eswtr = es
- !
- if(t >= tmelt .or. itype == 0) go to 20
- !
- ! Ice
- !
- 10 continue
- t0 = tmelt
- term1 = 2.01889049/(t0/t)
- term2 = 3.56654*log(t0/t)
- term3 = 20.947031*(t0/t)
- es = 575.185606e10*exp(-(term1 + term2 + term3))
- !
- if (t < (tmelt - tr)) go to 20
- !
- ! Weighted transition between water and ice
- !
- weight = min((tmelt - t)/tr,1.0_r8)
- es = weight*es + (1.0 - weight)*eswtr
- !
- 20 continue
- itype = itypo
- return
- !
- 900 format('GFFGCH: FATAL ERROR ******************************',/, &
- 'TRANSITION RANGE FOR WATER TO ICE SATURATION VAPOR', &
- ' PRESSURE, TR, EXCEEDS MAXIMUM ALLOWABLE VALUE OF', &
- ' 40.0 DEGREES C',/, ' TR = ',f7.2)
- !
- end subroutine gffgch
- real(r8) function estblf( td )
- !
- ! Saturation vapor pressure table lookup
- !
- real(r8), intent(in) :: td ! Temperature for saturation lookup
- !
- real(r8) :: e ! intermediate variable for es look-up
- real(r8) :: ai
- integer :: i
- !
- e = max(min(td,tmax),tmin) ! partial pressure
- i = int(e-tmin)+1
- ai = aint(e-tmin)
- estblf = (tmin+ai-e+1.)* &
- estbl(i)-(tmin+ai-e)* &
- estbl(i+1)
- end function estblf
- function findvalue(ix,n,ain,indxa)
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Subroutine for finding ix-th smallest value in the array
- ! The elements are rearranged so that the ix-th smallest
- ! element is in the ix place and all smaller elements are
- ! moved to the elements up to ix (with random order).
- !
- ! Algorithm: Based on the quicksort algorithm.
- !
- ! Author: T. Craig
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- implicit none
- !
- ! arguments
- !
- integer, intent(in) :: ix ! element to search for
- integer, intent(in) :: n ! total number of elements
- integer, intent(inout):: indxa(n) ! array of integers
- real(r8), intent(in) :: ain(n) ! array to search
- !
- integer findvalue ! return value
- !
- ! local variables
- !
- integer i,j
- integer il,im,ir
- integer ia
- integer itmp
- !
- !---------------------------Routine-----------------------------
- !
- il=1
- ir=n
- do
- if (ir-il <= 1) then
- if (ir-il == 1) then
- if (ain(indxa(ir)) < ain(indxa(il))) then
- itmp=indxa(il)
- indxa(il)=indxa(ir)
- indxa(ir)=itmp
- endif
- endif
- findvalue=indxa(ix)
- return
- else
- im=(il+ir)/2
- itmp=indxa(im)
- indxa(im)=indxa(il+1)
- indxa(il+1)=itmp
- if (ain(indxa(il+1)) > ain(indxa(ir))) then
- itmp=indxa(il+1)
- indxa(il+1)=indxa(ir)
- indxa(ir)=itmp
- endif
- if (ain(indxa(il)) > ain(indxa(ir))) then
- itmp=indxa(il)
- indxa(il)=indxa(ir)
- indxa(ir)=itmp
- endif
- if (ain(indxa(il+1)) > ain(indxa(il))) then
- itmp=indxa(il+1)
- indxa(il+1)=indxa(il)
- indxa(il)=itmp
- endif
- i=il+1
- j=ir
- ia=indxa(il)
- do
- do
- i=i+1
- if (ain(indxa(i)) >= ain(ia)) exit
- end do
- do
- j=j-1
- if (ain(indxa(j)) <= ain(ia)) exit
- end do
- if (j < i) exit
- itmp=indxa(i)
- indxa(i)=indxa(j)
- indxa(j)=itmp
- end do
- indxa(il)=indxa(j)
- indxa(j)=ia
- if (j >= ix)ir=j-1
- if (j <= ix)il=i
- endif
- end do
- end function findvalue
- subroutine radini(gravx ,cpairx ,epsilox ,stebolx, pstdx )
- !-----------------------------------------------------------------------
- !
- ! Purpose:
- ! Initialize various constants for radiation scheme; note that
- ! the radiation scheme uses cgs units.
- !
- ! Method:
- ! <Describe the algorithm(s) used in the routine.>
- ! <Also include any applicable external references.>
- !
- ! Author: W. Collins (H2O parameterization) and J. Kiehl
- !
- !-----------------------------------------------------------------------
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use ppgrid, only: pver, pverp
- ! use comozp, only: cplos, cplol
- ! use pmgrid, only: masterproc, plev, plevp
- ! use radae, only: radaeini
- ! use physconst, only: mwdry, mwco2
- #if ( defined SPMD )
- ! use mpishorthand
- #endif
- implicit none
- !------------------------------Arguments--------------------------------
- !
- ! Input arguments
- !
- real, intent(in) :: gravx ! Acceleration of gravity (MKS)
- real, intent(in) :: cpairx ! Specific heat of dry air (MKS)
- real, intent(in) :: epsilox ! Ratio of mol. wght of H2O to dry air
- real, intent(in) :: stebolx ! Stefan-Boltzmann's constant (MKS)
- real(r8), intent(in) :: pstdx ! Standard pressure (Pascals)
- !
- !---------------------------Local variables-----------------------------
- !
- integer k ! Loop variable
- real(r8) v0 ! Volume of a gas at stp (m**3/kmol)
- real(r8) p0 ! Standard pressure (pascals)
- real(r8) amd ! Effective molecular weight of dry air (kg/kmol)
- real(r8) goz ! Acceleration of gravity (m/s**2)
- !
- !-----------------------------------------------------------------------
- !
- ! Set general radiation consts; convert to cgs units where appropriate:
- !
- gravit = 100.*gravx
- rga = 1./gravit
- gravmks = gravx
- cpair = 1.e4*cpairx
- epsilo = epsilox
- sslp = 1.013250e6
- stebol = 1.e3*stebolx
- rgsslp = 0.5/(gravit*sslp)
- dpfo3 = 2.5e-3
- dpfco2 = 5.0e-3
- dayspy = 365.
- pie = 4.*atan(1.)
- !
- ! Initialize ozone data.
- !
- v0 = 22.4136 ! Volume of a gas at stp (m**3/kmol)
- p0 = 0.1*sslp ! Standard pressure (pascals)
- amd = 28.9644 ! Molecular weight of dry air (kg/kmol)
- goz = gravx ! Acceleration of gravity (m/s**2)
- !
- ! Constants for ozone path integrals (multiplication by 100 for unit
- ! conversion to cgs from mks):
- !
- cplos = v0/(amd*goz) *100.0
- cplol = v0/(amd*goz*p0)*0.5*100.0
- !
- ! Derived constants
- ! If the top model level is above ~90 km (0.1 Pa), set the top level to compute
- ! longwave cooling to about 80 km (1 Pa)
- ! WRF: assume top level > 0.1 mb
- ! if (hypm(1) .lt. 0.1) then
- ! do k = 1, pver
- ! if (hypm(k) .lt. 1.) ntoplw = k
- ! end do
- ! else
- ntoplw = 1
- ! end if
- ! if (masterproc) then
- ! write (6,*) 'RADINI: ntoplw =',ntoplw, ' pressure:',hypm(ntoplw)
- ! endif
- call radaeini( pstdx, mwdry, mwco2 )
- return
- end subroutine radini
- subroutine oznini(ozmixm,pin,levsiz,num_months,XLAT, &
- ids, ide, jds, jde, kds, kde, &
- ims, ime, jms, jme, kms, kme, &
- its, ite, jts, jte, kts, kte)
- !
- ! This subroutine assumes uniform distribution of ozone concentration.
- ! It should be replaced by monthly climatology that varies latitudinally and vertically
- !
- IMPLICIT NONE
- INTEGER, INTENT(IN ) :: ids,ide, jds,jde, kds,kde, &
- ims,ime, jms,jme, kms,kme, &
- its,ite, jts,jte, kts,kte
- INTEGER, INTENT(IN ) :: levsiz, num_months
- REAL, DIMENSION( ims:ime, jms:jme ), INTENT(IN ) :: XLAT
- REAL, DIMENSION( ims:ime, levsiz, jms:jme, num_months ), &
- INTENT(OUT ) :: OZMIXM
- REAL, DIMENSION(levsiz), INTENT(OUT ) :: PIN
- ! Local
- INTEGER, PARAMETER :: latsiz = 64
- INTEGER, PARAMETER :: lonsiz = 1
- INTEGER :: i, j, k, itf, jtf, ktf, m, pin_unit, lat_unit, oz_unit
- REAL :: interp_pt
- CHARACTER*256 :: message
- REAL, DIMENSION( lonsiz, levsiz, latsiz, num_months ) :: &
- OZMIXIN
- REAL, DIMENSION(latsiz) :: lat_ozone
- jtf=min0(jte,jde-1)
- ktf=min0(kte,kde-1)
- itf=min0(ite,ide-1)
- !-- read in ozone pressure data
- WRITE(message,*)'num_months = ',num_months
- CALL wrf_debug(50,message)
- pin_unit = 27
- OPEN(pin_unit, FILE='ozone_plev.formatted',FORM='FORMATTED',STATUS='OLD')
- do k = 1,levsiz
- READ (pin_unit,*)pin(k)
- end do
- close(27)
- do k=1,levsiz
- pin(k) = pin(k)*100.
- end do
- !-- read in ozone lat data
- lat_unit = 28
- OPEN(lat_unit, FILE='ozone_lat.formatted',FORM='FORMATTED',STATUS='OLD')
- do j = 1,latsiz
- READ (lat_unit,*)lat_ozone(j)
- end do
- close(28)
- !-- read in ozone data
- oz_unit = 29
- OPEN(oz_unit, FILE='ozone.formatted',FORM='FORMATTED',STATUS='OLD')
- do m=2,num_months
- do j=1,latsiz ! latsiz=64
- do k=1,levsiz ! levsiz=59
- do i=1,lonsiz ! lonsiz=1
- READ (oz_unit,*)ozmixin(i,k,j,m)
- enddo
- enddo
- enddo
- enddo
- close(29)
- !-- latitudinally interpolate ozone data (and extend longitudinally)
- !-- using function lin_interpol2(x, f, y) result(g)
- ! Purpose:
- ! interpolates f(x) to point y
- ! assuming f(x) = f(x0) + a * (x - x0)
- ! where a = ( f(x1) - f(x0) ) / (x1 - x0)
- ! x0 <= x <= x1
- ! assumes x is monotonically increasing
- ! real, intent(in), dimension(:) :: x ! grid points
- ! real, intent(in), dimension(:) :: f ! grid function values
- ! real, intent(in) :: y ! interpolation point
- ! real :: g ! interpolated function value
- !---------------------------------------------------------------------------
- do m=2,num_months
- do j=jts,jtf
- do k=1,levsiz
- do i=its,itf
- interp_pt=XLAT(i,j)
- ozmixm(i,k,j,m)=lin_interpol2(lat_ozone(:),ozmixin(1,k,:,m),interp_pt)
- enddo
- enddo
- enddo
- enddo
- ! Old code for fixed ozone
- ! pin(1)=70.
- ! DO k=2,levsiz
- ! pin(k)=pin(k-1)+16.
- ! ENDDO
- ! DO k=1,levsiz
- ! pin(k) = pin(k)*100.
- ! end do
- ! DO m=1,num_months
- ! DO j=jts,jtf
- ! DO i=its,itf
- ! DO k=1,2
- ! ozmixm(i,k,j,m)=1.e-6
- ! ENDDO
- ! DO k=3,levsiz
- ! ozmixm(i,k,j,m)=1.e-7
- ! ENDDO
- ! ENDDO
- ! ENDDO
- ! ENDDO
- END SUBROUTINE oznini
- subroutine aerosol_init(m_psp,m_psn,m_hybi,aerosolcp,aerosolcn,paerlev,naer_c,shalf,pptop, &
- ids, ide, jds, jde, kds, kde, &
- ims, ime, jms, jme, kms, kme, &
- its, ite, jts, jte, kts, kte)
- !
- ! This subroutine assumes a uniform aerosol distribution in both time and space.
- ! It should be modified if aerosol data are available from WRF-CHEM or other sources
- !
- IMPLICIT NONE
- INTEGER, INTENT(IN ) :: ids,ide, jds,jde, kds,kde, &
- ims,ime, jms,jme, kms,kme, &
- its,ite, jts,jte, kts,kte
- INTEGER, INTENT(IN ) :: paerlev,naer_c
- REAL, intent(in) :: pptop
- REAL, DIMENSION( kms:kme ), intent(in) :: shalf
- REAL, DIMENSION( ims:ime, paerlev, jms:jme, naer_c ), &
- INTENT(INOUT ) :: aerosolcn , aerosolcp
- REAL, DIMENSION(paerlev), INTENT(OUT ) :: m_hybi
- REAL, DIMENSION( ims:ime, jms:jme), INTENT(OUT ) :: m_psp,m_psn
- REAL :: psurf
- real, dimension(29) :: hybi
- integer k ! index through vertical levels
- INTEGER :: i, j, itf, jtf, ktf,m
- data hybi/0, 0.0065700002014637, 0.0138600002974272, 0.023089999333024, &
- 0.0346900001168251, 0.0491999983787537, 0.0672300010919571, &
- 0.0894500017166138, 0.116539999842644, 0.149159997701645, &
- 0.187830001115799, 0.232859998941422, 0.284209996461868, &
- 0.341369986534119, 0.403340011835098, 0.468600004911423, &
- 0.535290002822876, 0.601350009441376, 0.66482001543045, &
- 0.724009990692139, 0.777729988098145, 0.825269997119904, &
- 0.866419970989227, 0.901350021362305, 0.930540025234222, &
- 0.954590022563934, 0.974179983139038, 0.990000009536743, 1/
- jtf=min0(jte,jde-1)
- ktf=min0(kte,kde-1)
- itf=min0(ite,ide-1)
- do k=1,paerlev
- m_hybi(k)=hybi(k)
- enddo
- !
- ! mxaerl = max number of levels (from bottom) for background aerosol
- ! Limit background aerosol height to regions below 900 mb
- !
- psurf = 1.e05
- mxaerl = 0
- ! do k=pver,1,-1
- do k=kms,kme-1
- ! if (hypm(k) >= 9.e4) mxaerl = mxaerl + 1
- if (shalf(k)*psurf+pptop >= 9.e4) mxaerl = mxaerl + 1
- end do
- mxaerl = max(mxaerl,1)
- ! if (masterproc) then
- write(6,*)'AEROSOLS: Background aerosol will be limited to ', &
- 'bottom ',mxaerl,' model interfaces.'
- ! 'bottom ',mxaerl,' model interfaces. Top interface is ', &
- ! hypi(pverp-mxaerl),' pascals'
- ! end if
- DO j=jts,jtf
- DO i=its,itf
- m_psp(i,j)=psurf
- m_psn(i,j)=psurf
- ENDDO
- ENDDO
- DO j=jts,jtf
- DO i=its,itf
- DO k=1,paerlev
- ! aerosolc arrays are upward cumulative (kg/m2) at each level
- ! Here we assume uniform vertical distribution (aerosolc linear with hybi)
- aerosolcp(i,k,j,idxSUL)=1.e-7*(1.-hybi(k))
- aerosolcn(i,k,j,idxSUL)=1.e-7*(1.-hybi(k))
- aerosolcp(i,k,j,idxSSLT)=1.e-22*(1.-hybi(k))
- aerosolcn(i,k,j,idxSSLT)=1.e-22*(1.-hybi(k))
- aerosolcp(i,k,j,idxDUSTfirst)=1.e-7*(1.-hybi(k))
- aerosolcn(i,k,j,idxDUSTfirst)=1.e-7*(1.-hybi(k))
- aerosolcp(i,k,j,idxDUSTfirst+1)=1.e-7*(1.-hybi(k))
- aerosolcn(i,k,j,idxDUSTfirst+1)=1.e-7*(1.-hybi(k))
- aerosolcp(i,k,j,idxDUSTfirst+2)=1.e-7*(1.-hybi(k))
- aerosolcn(i,k,j,idxDUSTfirst+2)=1.e-7*(1.-hybi(k))
- aerosolcp(i,k,j,idxDUSTfirst+3)=1.e-7*(1.-hybi(k))
- aerosolcn(i,k,j,idxDUSTfirst+3)=1.e-7*(1.-hybi(k))
- aerosolcp(i,k,j,idxOCPHO)=1.e-7*(1.-hybi(k))
- aerosolcn(i,k,j,idxOCPHO)=1.e-7*(1.-hybi(k))
- aerosolcp(i,k,j,idxBCPHO)=1.e-9*(1.-hybi(k))
- aerosolcn(i,k,j,idxBCPHO)=1.e-9*(1.-hybi(k))
- aerosolcp(i,k,j,idxOCPHI)=1.e-7*(1.-hybi(k))
- aerosolcn(i,k,j,idxOCPHI)=1.e-7*(1.-hybi(k))
- aerosolcp(i,k,j,idxBCPHI)=1.e-8*(1.-hybi(k))
- aerosolcn(i,k,j,idxBCPHI)=1.e-8*(1.-hybi(k))
- ENDDO
- ENDDO
- ENDDO
- call aer_optics_initialize
-
- END subroutine aerosol_init
- subroutine aer_optics_initialize
- USE module_wrf_error
- ! use shr_kind_mod, only: r8 => shr_kind_r8
- ! use pmgrid ! masterproc is here
- ! use ioFileMod, only: getfil
- !#if ( defined SPMD )
- ! use mpishorthand
- !#endif
- implicit none
- ! include 'netcdf.inc'
- integer :: nrh_opac ! number of relative humidity values for OPAC data
- integer :: nbnd ! number of spectral bands, should be identical to nspint
- real(r8), parameter :: wgt_sscm = 6.0 / 7.0
- integer :: krh_opac ! rh index for OPAC rh grid
- integer :: krh ! another rh index
- integer :: ksz ! dust size bin index
- integer :: kbnd ! band index
- real(r8) :: rh ! local relative humidity variable
- integer, parameter :: irh=8
- real(r8) :: rh_opac(irh) ! OPAC relative humidity grid
- real(r8) :: ksul_opac(irh,nspint) ! sulfate extinction
- real(r8) :: wsul_opac(irh,nspint) ! single scattering albedo
- real(r8) :: gsul_opac(irh,nspint) ! asymmetry parameter
- real(r8) :: ksslt_opac(irh,nspint) ! sea-salt
- real(r8) :: wsslt_opac(irh,nspint)
- real(r8) :: gsslt_opac(irh,nspint)
- real(r8) :: kssam_opac(irh,nspint) ! sea-salt accumulation mode
- real(r8) :: wssam_opac(irh,nspint)
- real(r8) :: gssam_opac(irh,nspint)
- real(r8) :: ksscm_opac(irh,nspint) ! sea-salt coarse mode
- real(r8) :: wsscm_opac(irh,nspint)
- real(r8) :: gsscm_opac(irh,nspint)
- real(r8) :: kcphil_opac(irh,nspint) ! hydrophilic organic carbon
- real(r8) :: wcphil_opac(irh,nspint)
- real(r8) :: gcphil_opac(irh,nspint)
- real(r8) :: dummy(nspint)
- LOGICAL :: opened
- LOGICAL , EXTERNAL :: wrf_dm_on_monitor
- CHARACTER*80 errmess
- INTEGER cam_aer_unit
- integer :: i
- ! read aerosol optics data
- IF ( wrf_dm_on_monitor() ) THEN
- DO i = 10,99
- INQUIRE ( i , OPENED = opened )
- IF ( .NOT. opened ) THEN
- cam_aer_unit = i
- GOTO 2010
- ENDIF
- ENDDO
- cam_aer_unit = -1
- 2010 CONTINUE
- ENDIF
- CALL wrf_dm_bcast_bytes ( cam_aer_unit , IWORDSIZE )
- IF ( cam_aer_unit < 0 ) THEN
- CALL wrf_error_fatal ( 'module_ra_cam: aer_optics_initialize: Can not find unused fortran unit to read in lookup table.' )
- ENDIF
- IF ( wrf_dm_on_monitor() ) THEN
- OPEN(cam_aer_unit,FILE='CAM_AEROPT_DATA', &
- FORM='UNFORMATTED',STATUS='OLD',ERR=9010)
- call wrf_debug(50,'reading CAM_AEROPT_DATA')
- ENDIF
- #define DM_BCAST_MACRO(A) CALL wrf_dm_bcast_bytes ( A , size ( A ) * r8 )
- IF ( wrf_dm_on_monitor() ) then
- READ (cam_aer_unit,ERR=9010) dummy
- READ (cam_aer_unit,ERR=9010) rh_opac
- READ (cam_aer_unit,ERR=9010) ksul_opac
- READ (cam_aer_unit,ERR=9010) wsul_opac
- READ (cam_aer_unit,ERR=9010) gsul_opac
- READ (cam_aer_unit,ERR=9010) kssam_opac
- READ (cam_aer_unit,ERR=9010) wssam_opac
- READ (cam_aer_unit,ERR=9010) gssam_opac
- READ (cam_aer_unit,ERR=9010) ksscm_opac
- READ (cam_aer_unit,ERR=9010) wsscm_opac
- READ (cam_aer_unit,ERR=9010) gsscm_opac
- READ (cam_aer_unit,ERR=9010) kcphil_opac
- READ (cam_aer_unit,ERR=9010) wcphil_opac
- READ (cam_aer_unit,ERR=9010) gcphil_opac
- READ (cam_aer_unit,ERR=9010) kcb
- READ (cam_aer_unit,ERR=9010) wcb
- READ (cam_aer_unit,ERR=9010) gcb
- READ (cam_aer_unit,ERR=9010) kdst
- READ (cam_aer_unit,ERR=9010) wdst
- READ (cam_aer_unit,ERR=9010) gdst
- READ (cam_aer_unit,ERR=9010) kbg
- READ (cam_aer_unit,ERR=9010) wbg
- READ (cam_aer_unit,ERR=9010) gbg
- READ (cam_aer_unit,ERR=9010) kvolc
- READ (cam_aer_unit,ERR=9010) wvolc
- READ (cam_aer_unit,ERR=9010) gvolc
- endif
- DM_BCAST_MACRO(rh_opac)
- DM_BCAST_MACRO(ksul_opac)
- DM_BCAST_MACRO(wsul_opac)
- DM_BCAST_MACRO(gsul_opac)
- DM_BCAST_MACRO(kssam_opac)
- DM_BCAST_MACRO(wssam_opac)
- DM_BCAST_MACRO(gssam_opac)
- DM_BCAST_MACRO(ksscm_opac)
- DM_BCAST_MACRO(wsscm_opac)
- DM_BCAST_MACRO(gsscm_opac)
- DM_BCAST_MACRO(kcphil_opac)
- DM_BCAST_MACRO(wcphil_opac)
- DM_BCAST_MACRO(gcphil_opac)
- DM_BCAST_MACRO(kcb)
- DM_BCAST_MACRO(wcb)
- DM_BCAST_MACRO(gcb)
- DM_BCAST_MACRO(kvolc)
- DM_BCAST_MACRO(wvolc)
- DM_BCAST_MACRO(gvolc)
- DM_BCAST_MACRO(kdst)
- DM_BCAST_MACRO(wdst)
- DM_BCAST_MACRO(gdst)
- DM_BCAST_MACRO(kbg)
- DM_BCAST_MACRO(wbg)
- DM_BCAST_MACRO(gbg)
- IF ( wrf_dm_on_monitor() ) CLOSE (cam_aer_unit)
- ! map OPAC aerosol species onto CAM aerosol species
- ! CAM name OPAC name
- ! sul or SO4 = suso sulfate soluble
- ! sslt or SSLT = 1/7 ssam + 6/7 sscm sea-salt accumulation/coagulation mode
- ! cphil or CPHI = waso water soluble (carbon)
- ! cphob or CPHO = waso @ rh = 0
- ! cb or BCPHI/BCPHO = soot
- ksslt_opac(:,:) = (1.0 - wgt_sscm) * kssam_opac(:,:) + wgt_sscm * ksscm_opac(:,:)
- wsslt_opac(:,:) = ( (1.0 - wgt_sscm) * kssam_opac(:,:) * wssam_opac(:,:) &
- + wgt_sscm * ksscm_opac(:,:) * wsscm_opac(:,:) ) &
- / ksslt_opac(:,:)
- gsslt_opac(:,:) = ( (1.0 - wgt_sscm) * kssam_opac(:,:) * wssam_opac(:,:) * gssam_opac(:,:) &
- + wgt_sscm * ksscm_opac(:,:) * wsscm_opac(:,:) * gsscm_opac(:,:) ) &
- / ( ksslt_opac(:,:) * wsslt_opac(:,:) )
- do i=1,nspint
- kcphob(i) = kcphil_opac(1,i)
- wcphob(i) = wcphil_opac(1,i)
- gcphob(i) = gcphil_opac(1,i)
- end do
- ! interpolate optical properties of hygrospopic aerosol species
- ! onto a uniform relative humidity grid
- nbnd = nspint
- do krh = 1, nrh
- rh = 1.0_r8 / nrh * (krh - 1)
- do kbnd = 1, nbnd
- ksul(krh, kbnd) = exp_interpol( rh_opac, &
- ksul_opac(:, kbnd) / ksul_opac(1, kbnd), rh ) * ksul_opac(1, kbnd)
- wsul(krh, kbnd) = lin_interpol( rh_opac, &
- wsul_opac(:, kbnd) / wsul_opac(1, kbnd), rh ) * wsul_opac(1, kbnd)
- gsul(krh, kbnd) = lin_interpol( rh_opac, &
- gsul_opac(:, kbnd) / gsul_opac(1, kbnd), rh ) * gsul_opac(1, kbnd)
- ksslt(krh, kbnd) = exp_interpol( rh_opac, &
- ksslt_opac(:, kbnd) / ksslt_opac(1, kbnd), rh ) * ksslt_opac(1, kbnd)
- wsslt(krh, kbnd) = lin_interpol( rh_opac, &
- wsslt_opac(:, kbnd) / wsslt_opac(1, kbnd), rh ) * wsslt_opac(1, kbnd)
- gsslt(krh, kbnd) = lin_interpol( rh_opac, &
- gsslt_opac(:, kbnd) / gsslt_opac(1, kbnd), rh ) * gsslt_opac(1, kbnd)
- kcphil(krh, kbnd) = exp_interpol( rh_opac, &
- kcphil_opac(:, kbnd) / kcphil_opac(1, kbnd), rh ) * kcphil_opac(1, kbnd)
- wcphil(krh, kbnd) = lin_interpol( rh_opac, &
- wcphil_opac(:, kbnd) / wcphil_opac(1, kbnd), rh ) * wcphil_opac(1, kbnd)
- gcphil(krh, kbnd) = lin_interpol( rh_opac, &
- gcphil_opac(:, kbnd) / gcphil_opac(1, kbnd), rh ) * gcphil_opac(1, kbnd)
- end do
- end do
- RETURN
- 9010 CONTINUE
- WRITE( errmess , '(A35,I4)' ) 'module_ra_cam: error reading unit ',cam_aer_unit
- CALL wrf_error_fatal(errmess)
- END subroutine aer_optics_initialize
- subroutine radaeini( pstdx, mwdryx, mwco2x )
- USE module_wrf_error
- !
- ! Initialize radae module data
- !
- !
- ! Input variables
- !
- real(r8), intent(in) :: pstdx ! Standard pressure (dynes/cm^2)
- real(r8), intent(in) :: mwdryx ! Molecular weight of dry air
- real(r8), intent(in) :: mwco2x ! Molecular weight of carbon dioxide
- !
- ! Variables for loading absorptivity/emissivity
- !
- integer ncid_ae ! NetCDF file id for abs/ems file
- integer pdimid ! pressure dimension id
- integer psize ! pressure dimension size
- integer tpdimid ! path temperature dimension id
- integer tpsize ! path temperature size
- integer tedimid ! emission temperature dimension id
- integer tesize ! emission temperature size
- integer udimid ! u (H2O path) dimension id
- integer usize ! u (H2O path) dimension size
- integer rhdimid ! relative humidity dimension id
- integer rhsize ! relative humidity dimension size
- integer ah2onwid ! var. id for non-wndw abs.
- integer eh2onwid ! var. id for non-wndw ems.
- integer ah2owid ! var. id for wndw abs. (adjacent layers)
- integer cn_ah2owid ! var. id for continuum trans. for wndw abs.
- integer cn_eh2owid ! var. id for continuum trans. for wndw ems.
- integer ln_ah2owid ! var. id for line trans. for wndw abs.
- integer ln_eh2owid ! var. id for line trans. for wndw ems.
-
- ! character*(NF_MAX_NAME) tmpname! dummy variable for var/dim names
- character(len=256) locfn ! local filename
- integer tmptype ! dummy variable for variable type
- integer ndims ! number of dimensions
- ! integer dims(NF_MAX_VAR_DIMS) ! vector of dimension ids
- integer natt ! number of attributes
- !
- ! Variables for setting up H2O table
- !
- integer t ! path temperature
- integer tmin ! mininum path temperature
- integer tmax ! maximum path temperature
- integer itype ! type of sat. pressure (=0 -> H2O only)
- integer i
- real(r8) tdbl
- LOGICAL :: opened
- LOGICAL , EXTERNAL :: wrf_dm_on_monitor
- CHARACTER*80 errmess
- INTEGER cam_abs_unit
- !
- ! Constants to set
- !
- p0 = pstdx
- amd = mwdryx
- amco2 = mwco2x
- !
- ! Coefficients for h2o emissivity and absorptivity for overlap of H2O
- ! and trace gases.
- !
- c16 = coefj(3,1)/coefj(2,1)
- c17 = coefk(3,1)/coefk(2,1)
- c26 = coefj(3,2)/coefj(2,2)
- c27 = coefk(3,2)/coefk(2,2)
- c28 = .5
- c29 = .002053
- c30 = .1
- c31 = 3.0e-5
- !
- ! Initialize further longwave constants referring to far wing
- ! correction for overlap of H2O and trace gases; R&D refers to:
- !
- ! Ramanathan, V. and P.Downey, 1986: A Nonisothermal
- ! Emissivity and Absorptivity Formulation for Water Vapor
- ! Journal of Geophysical Research, vol. 91., D8, pp 8649-8666
- !
- fwcoef = .1 ! See eq(33) R&D
- fwc1 = .30 ! See eq(33) R&D
- fwc2 = 4.5 ! See eq(33) and eq(34) in R&D
- fc1 = 2.6 ! See eq(34) R&D
- IF ( wrf_dm_on_monitor() ) THEN
- DO i = 10,99
- INQUIRE ( i , OPENED = opened )
- IF ( .NOT. opened ) THEN
- cam_abs_unit = i
- GOTO 2010
- ENDIF
- ENDDO
- cam_abs_unit = -1
- 2010 CONTINUE
- ENDIF
- CALL wrf_dm_bcast_bytes ( cam_abs_unit , IWORDSIZE )
- IF ( cam_abs_unit < 0 ) THEN
- CALL wrf_error_fatal ( 'module_ra_cam: radaeinit: Can not find unused fortran unit to read in lookup table.' )
- ENDIF
- IF ( wrf_dm_on_monitor() ) THEN
- OPEN(cam_abs_unit,FILE='CAM_ABS_DATA', &
- FORM='UNFORMATTED',STATUS='OLD',ERR=9010)
- call wrf_debug(50,'reading CAM_ABS_DATA')
- ENDIF
- #define DM_BCAST_MACRO(A) CALL wrf_dm_bcast_bytes ( A , size ( A ) * r8 )
- IF ( wrf_dm_on_monitor() ) then
- READ (cam_abs_unit,ERR=9010) ah2onw
- READ (cam_abs_unit,ERR=9010) eh2onw
- READ (cam_abs_unit,ERR=9010) ah2ow
- READ (cam_abs_unit,ERR=9010) cn_ah2ow
- READ (cam_abs_unit,ERR=9010) cn_eh2ow
- READ (cam_abs_unit,ERR=9010) ln_ah2ow
- READ (cam_abs_unit,ERR=9010) ln_eh2ow
- endif
- DM_BCAST_MACRO(ah2onw)
- DM_BCAST_MACRO(eh2onw)
- DM_BCAST_MACRO(ah2ow)
- DM_BCAST_MACRO(cn_ah2ow)
- DM_BCAST_MACRO(cn_eh2ow)
- DM_BCAST_MACRO(ln_ah2ow)
- DM_BCAST_MACRO(ln_eh2ow)
- IF ( wrf_dm_on_monitor() ) CLOSE (cam_abs_unit)
-
- ! Set up table of H2O saturation vapor pressures for use in calculation
- ! effective path RH. Need separate table from table in wv_saturation
- ! because:
- ! (1. Path temperatures can fall below minimum of that table; and
- ! (2. Abs/Emissivity tables are derived with RH for water only.
- !
- tmin = nint(min_tp_h2o)
- tmax = nint(max_tp_h2o)+1
- itype = 0
- do t = tmin, tmax
- ! call gffgch(dble(t),estblh2o(t-tmin),itype)
- tdbl = t
- call gffgch(tdbl,estblh2o(t-tmin),itype)
- end do
- RETURN
- 9010 CONTINUE
- WRITE( errmess , '(A35,I4)' ) 'module_ra_cam: error reading unit ',cam_abs_unit
- CALL wrf_error_fatal(errmess)
- end subroutine radaeini
-
- end MODULE module_ra_cam_support