1 | |
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2 | ! $Id: rrtm_ecrt_140gp.F90 5159 2024-08-02 19:58:25Z abarral $ |
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3 | |
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4 | !****************** SUBROUTINE RRTM_ECRT_140GP ************************** |
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5 | |
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6 | SUBROUTINE RRTM_ECRT_140GP & |
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7 | & (K_IPLON, klon, klev, kcld, & |
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8 | & paer, paph, pap, & |
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9 | & pts, pth, pt, & |
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10 | & P_ZEMIS, P_ZEMIW, & |
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11 | & pq, pcco2, pozn, pcldf, ptaucld, ptclear, & |
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12 | & P_CLDFRAC, P_TAUCLD, & |
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13 | & PTAU_LW, & |
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14 | & P_COLDRY, P_WKL, P_WX, & |
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15 | & P_TAUAERL, PAVEL, P_TAVEL, PZ, P_TZ, P_TBOUND, K_NLAYERS, P_SEMISS, K_IREFLECT) |
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16 | |
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17 | ! Reformatted for F90 by JJMorcrette, ECMWF, 980714 |
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18 | |
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19 | ! Read in atmospheric profile from ECMWF radiation code, and prepare it |
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20 | ! for use in RRTM. Set other RRTM input parameters. Values are passed |
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21 | ! back through existing RRTM arrays and commons. |
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22 | |
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23 | !- Modifications |
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24 | |
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25 | ! 2000-05-15 Deborah Salmond Speed-up |
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26 | |
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27 | USE PARKIND1, ONLY: JPIM, JPRB |
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28 | USE YOMHOOK, ONLY: LHOOK, DR_HOOK |
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29 | |
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30 | USE PARRRTM, ONLY: JPBAND, JPXSEC, JPLAY, & |
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31 | & JPINPX |
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32 | USE YOERAD, ONLY: NLW, NOVLP |
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33 | !MPL/IM 20160915 on prend GES de phylmd USE YOERDI , ONLY : RCH4 ,RN2O ,RCFC11 ,RCFC12 |
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34 | USE YOESW, ONLY: RAER |
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35 | USE lmdz_clesphys |
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36 | |
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37 | !------------------------------Arguments-------------------------------- |
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38 | |
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39 | IMPLICIT NONE |
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40 | |
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41 | INTEGER(KIND = JPIM), INTENT(IN) :: KLON! Number of atmospheres (longitudes) |
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42 | INTEGER(KIND = JPIM), INTENT(IN) :: KLEV! Number of atmospheric layers |
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43 | INTEGER(KIND = JPIM), INTENT(IN) :: K_IPLON |
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44 | INTEGER(KIND = JPIM), INTENT(OUT) :: KCLD |
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45 | REAL(KIND = JPRB), INTENT(IN) :: PAER(KLON, 6, KLEV) ! Aerosol optical thickness |
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46 | REAL(KIND = JPRB), INTENT(IN) :: PAPH(KLON, KLEV + 1) ! Interface pressures (Pa) |
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47 | REAL(KIND = JPRB), INTENT(IN) :: PAP(KLON, KLEV) ! Layer pressures (Pa) |
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48 | REAL(KIND = JPRB), INTENT(IN) :: PTS(KLON) ! Surface temperature (K) |
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49 | REAL(KIND = JPRB), INTENT(IN) :: PTH(KLON, KLEV + 1) ! Interface temperatures (K) |
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50 | REAL(KIND = JPRB), INTENT(IN) :: PT(KLON, KLEV) ! Layer temperature (K) |
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51 | REAL(KIND = JPRB), INTENT(IN) :: P_ZEMIS(KLON) ! Non-window surface emissivity |
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52 | REAL(KIND = JPRB), INTENT(IN) :: P_ZEMIW(KLON) ! Window surface emissivity |
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53 | REAL(KIND = JPRB), INTENT(IN) :: PQ(KLON, KLEV) ! H2O specific humidity (mmr) |
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54 | REAL(KIND = JPRB), INTENT(IN) :: PCCO2 ! CO2 mass mixing ratio |
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55 | REAL(KIND = JPRB), INTENT(IN) :: POZN(KLON, KLEV) ! O3 mass mixing ratio |
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56 | REAL(KIND = JPRB), INTENT(IN) :: PCLDF(KLON, KLEV) ! Cloud fraction |
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57 | REAL(KIND = JPRB), INTENT(IN) :: PTAUCLD(KLON, KLEV, JPBAND) ! Cloud optical depth |
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58 | !--C.Kleinschmitt |
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59 | REAL(KIND = JPRB), INTENT(IN) :: PTAU_LW(KLON, KLEV, NLW) ! LW Optical depth of aerosols |
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60 | !--end |
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61 | REAL(KIND = JPRB), INTENT(OUT) :: PTCLEAR |
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62 | REAL(KIND = JPRB), INTENT(OUT) :: P_CLDFRAC(JPLAY) ! Cloud fraction |
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63 | REAL(KIND = JPRB), INTENT(OUT) :: P_TAUCLD(JPLAY, JPBAND) ! Spectral optical thickness |
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64 | REAL(KIND = JPRB), INTENT(OUT) :: P_COLDRY(JPLAY) |
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65 | REAL(KIND = JPRB), INTENT(OUT) :: P_WKL(JPINPX, JPLAY) |
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66 | REAL(KIND = JPRB), INTENT(OUT) :: P_WX(JPXSEC, JPLAY) ! Amount of trace gases |
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67 | REAL(KIND = JPRB), INTENT(OUT) :: P_TAUAERL(JPLAY, JPBAND) |
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68 | REAL(KIND = JPRB), INTENT(OUT) :: PAVEL(JPLAY) |
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69 | REAL(KIND = JPRB), INTENT(OUT) :: P_TAVEL(JPLAY) |
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70 | REAL(KIND = JPRB), INTENT(OUT) :: PZ(0:JPLAY) |
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71 | REAL(KIND = JPRB), INTENT(OUT) :: P_TZ(0:JPLAY) |
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72 | REAL(KIND = JPRB), INTENT(OUT) :: P_TBOUND |
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73 | INTEGER(KIND = JPIM), INTENT(OUT) :: K_NLAYERS |
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74 | REAL(KIND = JPRB), INTENT(OUT) :: P_SEMISS(JPBAND) |
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75 | INTEGER(KIND = JPIM), INTENT(OUT) :: K_IREFLECT |
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76 | ! real rch4 ! CH4 mass mixing ratio |
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77 | ! real rn2o ! N2O mass mixing ratio |
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78 | ! real rcfc11 ! CFC11 mass mixing ratio |
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79 | ! real rcfc12 ! CFC12 mass mixing ratio |
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80 | !- from AER |
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81 | !- from PROFILE |
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82 | !- from SURFACE |
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83 | REAL(KIND = JPRB) :: ztauaer(5) |
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84 | REAL(KIND = JPRB) :: zc1j(0:klev) ! total cloud from top and level k |
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85 | REAL(KIND = JPRB) :: Z_AMD ! Effective molecular weight of dry air (g/mol) |
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86 | REAL(KIND = JPRB) :: Z_AMW ! Molecular weight of water vapor (g/mol) |
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87 | REAL(KIND = JPRB) :: Z_AMCO2 ! Molecular weight of carbon dioxide (g/mol) |
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88 | REAL(KIND = JPRB) :: Z_AMO ! Molecular weight of ozone (g/mol) |
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89 | REAL(KIND = JPRB) :: Z_AMCH4 ! Molecular weight of methane (g/mol) |
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90 | REAL(KIND = JPRB) :: Z_AMN2O ! Molecular weight of nitrous oxide (g/mol) |
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91 | REAL(KIND = JPRB) :: Z_AMC11 ! Molecular weight of CFC11 (g/mol) - CFCL3 |
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92 | REAL(KIND = JPRB) :: Z_AMC12 ! Molecular weight of CFC12 (g/mol) - CF2CL2 |
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93 | REAL(KIND = JPRB) :: Z_AVGDRO ! Avogadro's number (molecules/mole) |
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94 | REAL(KIND = JPRB) :: Z_GRAVIT ! Gravitational acceleration (cm/sec2) |
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95 | |
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96 | ! Atomic weights for conversion from mass to volume mixing ratios; these |
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97 | ! are the same values used in ECRT to assure accurate conversion to vmr |
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98 | data Z_AMD / 28.970_JPRB / |
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99 | data Z_AMW / 18.0154_JPRB / |
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100 | data Z_AMCO2 / 44.011_JPRB / |
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101 | data Z_AMO / 47.9982_JPRB / |
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102 | data Z_AMCH4 / 16.043_JPRB / |
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103 | data Z_AMN2O / 44.013_JPRB / |
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104 | data Z_AMC11 / 137.3686_JPRB / |
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105 | data Z_AMC12 / 120.9140_JPRB / |
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106 | data Z_AVGDRO/ 6.02214E23_JPRB / |
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107 | data Z_GRAVIT/ 9.80665E02_JPRB / |
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108 | |
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109 | INTEGER(KIND = JPIM) :: IATM, IMOL, IXMAX, J1, J2, JAE, JB, JK, JL, I_L |
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110 | INTEGER(KIND = JPIM) :: I_NMOL, I_NXMOL |
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111 | |
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112 | REAL(KIND = JPRB) :: Z_AMM, ZCLDLY, ZCLEAR, ZCLOUD, ZEPSEC |
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113 | REAL(KIND = JPRB) :: ZHOOK_HANDLE |
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114 | |
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115 | ! *** |
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116 | |
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117 | ! *** mji |
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118 | ! Initialize all molecular amounts and aerosol optical depths to zero here, |
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119 | ! then pass ECRT amounts into RRTM arrays below. |
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120 | |
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121 | ! DATA ZWKL /MAXPRDW*0.0/ |
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122 | ! DATA ZWX /MAXPROD*0.0/ |
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123 | ! DATA KREFLECT /0/ |
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124 | |
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125 | ! Activate cross section molecules: |
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126 | ! NXMOL - number of cross-sections input by user |
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127 | ! IXINDX(I) - index of cross-section molecule corresponding to Ith |
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128 | ! cross-section specified by user |
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129 | ! = 0 -- not allowed in RRTM |
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130 | ! = 1 -- CCL4 |
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131 | ! = 2 -- CFC11 |
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132 | ! = 3 -- CFC12 |
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133 | ! = 4 -- CFC22 |
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134 | ! DATA KXMOL /2/ |
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135 | ! DATA KXINDX /0,2,3,0,31*0/ |
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136 | |
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137 | ! IREFLECT=KREFLECT |
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138 | ! NXMOL=KXMOL |
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139 | |
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140 | IF (LHOOK) CALL DR_HOOK('RRTM_ECRT_140GP', 0, ZHOOK_HANDLE) |
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141 | K_IREFLECT = 0 |
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142 | I_NXMOL = 2 |
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143 | |
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144 | DO J1 = 1, 35 |
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145 | ! IXINDX(J1)=0 |
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146 | DO J2 = 1, KLEV |
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147 | P_WKL(J1, J2) = 0.0_JPRB |
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148 | ENDDO |
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149 | ENDDO |
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150 | !IXINDX(2)=2 |
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151 | !IXINDX(3)=3 |
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152 | |
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153 | ! Set parameters needed for RRTM execution: |
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154 | IATM = 0 |
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155 | ! IXSECT = 1 |
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156 | ! NUMANGS = 0 |
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157 | ! IOUT = -1 |
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158 | IXMAX = 4 |
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159 | |
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160 | ! Bands 6,7,8 are considered the 'window' and allowed to have a |
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161 | ! different surface emissivity (as in ECMWF). Eli wrote this part.... |
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162 | P_SEMISS(1) = P_ZEMIS(K_IPLON) |
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163 | P_SEMISS(2) = P_ZEMIS(K_IPLON) |
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164 | P_SEMISS(3) = P_ZEMIS(K_IPLON) |
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165 | P_SEMISS(4) = P_ZEMIS(K_IPLON) |
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166 | P_SEMISS(5) = P_ZEMIS(K_IPLON) |
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167 | P_SEMISS(6) = P_ZEMIW(K_IPLON) |
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168 | P_SEMISS(7) = P_ZEMIW(K_IPLON) |
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169 | P_SEMISS(8) = P_ZEMIW(K_IPLON) |
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170 | P_SEMISS(9) = P_ZEMIS(K_IPLON) |
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171 | P_SEMISS(10) = P_ZEMIS(K_IPLON) |
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172 | P_SEMISS(11) = P_ZEMIS(K_IPLON) |
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173 | P_SEMISS(12) = P_ZEMIS(K_IPLON) |
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174 | P_SEMISS(13) = P_ZEMIS(K_IPLON) |
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175 | P_SEMISS(14) = P_ZEMIS(K_IPLON) |
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176 | P_SEMISS(15) = P_ZEMIS(K_IPLON) |
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177 | P_SEMISS(16) = P_ZEMIS(K_IPLON) |
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178 | |
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179 | ! Set surface temperature. |
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180 | |
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181 | P_TBOUND = pts(K_IPLON) |
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182 | |
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183 | ! Install ECRT arrays into RRTM arrays for pressure, temperature, |
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184 | ! and molecular amounts. Pressures are converted from Pascals |
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185 | ! (ECRT) to mb (RRTM). H2O, CO2, O3 and trace gas amounts are |
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186 | ! converted from mass mixing ratio to volume mixing ratio. CO2 |
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187 | ! converted with same dry air and CO2 molecular weights used in |
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188 | ! ECRT to assure correct conversion back to the proper CO2 vmr. |
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189 | ! The dry air column COLDRY (in molec/cm2) is calculated from |
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190 | ! the level pressures PZ (in mb) based on the hydrostatic equation |
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191 | ! and includes a correction to account for H2O in the layer. The |
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192 | ! molecular weight of moist air (amm) is calculated for each layer. |
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193 | ! Note: RRTM levels count from bottom to top, while the ECRT input |
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194 | ! variables count from the top down and must be reversed here. |
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195 | |
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196 | K_NLAYERS = klev |
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197 | I_NMOL = 6 |
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198 | PZ(0) = paph(K_IPLON, klev + 1) / 100._JPRB |
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199 | P_TZ(0) = pth(K_IPLON, klev + 1) |
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200 | DO I_L = 1, KLEV |
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201 | PAVEL(I_L) = pap(K_IPLON, KLEV - I_L + 1) / 100._JPRB |
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202 | P_TAVEL(I_L) = pt(K_IPLON, KLEV - I_L + 1) |
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203 | PZ(I_L) = paph(K_IPLON, KLEV - I_L + 1) / 100._JPRB |
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204 | P_TZ(I_L) = pth(K_IPLON, KLEV - I_L + 1) |
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205 | P_WKL(1, I_L) = pq(K_IPLON, KLEV - I_L + 1) * Z_AMD / Z_AMW |
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206 | P_WKL(2, I_L) = pcco2 * Z_AMD / Z_AMCO2 |
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207 | P_WKL(3, I_L) = pozn(K_IPLON, KLEV - I_L + 1) * Z_AMD / Z_AMO |
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208 | P_WKL(4, I_L) = rn2o * Z_AMD / Z_AMN2O |
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209 | P_WKL(6, I_L) = rch4 * Z_AMD / Z_AMCH4 |
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210 | Z_AMM = (1 - P_WKL(1, I_L)) * Z_AMD + P_WKL(1, I_L) * Z_AMW |
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211 | P_COLDRY(I_L) = (PZ(I_L - 1) - PZ(I_L)) * 1.E3_JPRB * Z_AVGDRO / (Z_GRAVIT * Z_AMM * (1 + P_WKL(1, I_L))) |
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212 | ENDDO |
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213 | |
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214 | !- Fill RRTM aerosol arrays with operational ECMWF aerosols, |
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215 | ! do the mixing and distribute over the 16 spectral intervals |
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216 | |
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217 | DO I_L = 1, KLEV |
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218 | JK = KLEV - I_L + 1 |
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219 | ! DO JAE=1,5 |
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220 | JAE = 1 |
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221 | ZTAUAER(JAE) = & |
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222 | & RAER(JAE, 1) * PAER(K_IPLON, 1, JK) + RAER(JAE, 2) * PAER(K_IPLON, 2, JK)& |
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223 | & + RAER(JAE, 3) * PAER(K_IPLON, 3, JK) + RAER(JAE, 4) * PAER(K_IPLON, 4, JK)& |
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224 | & + RAER(JAE, 5) * PAER(K_IPLON, 5, JK) + RAER(JAE, 6) * PAER(K_IPLON, 6, JK) |
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225 | P_TAUAERL(I_L, 1) = ZTAUAER(1) |
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226 | P_TAUAERL(I_L, 2) = ZTAUAER(1) |
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227 | JAE = 2 |
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228 | ZTAUAER(JAE) = & |
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229 | & RAER(JAE, 1) * PAER(K_IPLON, 1, JK) + RAER(JAE, 2) * PAER(K_IPLON, 2, JK)& |
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230 | & + RAER(JAE, 3) * PAER(K_IPLON, 3, JK) + RAER(JAE, 4) * PAER(K_IPLON, 4, JK)& |
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231 | & + RAER(JAE, 5) * PAER(K_IPLON, 5, JK) + RAER(JAE, 6) * PAER(K_IPLON, 6, JK) |
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232 | P_TAUAERL(I_L, 3) = ZTAUAER(2) |
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233 | P_TAUAERL(I_L, 4) = ZTAUAER(2) |
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234 | P_TAUAERL(I_L, 5) = ZTAUAER(2) |
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235 | JAE = 3 |
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236 | ZTAUAER(JAE) = & |
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237 | & RAER(JAE, 1) * PAER(K_IPLON, 1, JK) + RAER(JAE, 2) * PAER(K_IPLON, 2, JK)& |
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238 | & + RAER(JAE, 3) * PAER(K_IPLON, 3, JK) + RAER(JAE, 4) * PAER(K_IPLON, 4, JK)& |
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239 | & + RAER(JAE, 5) * PAER(K_IPLON, 5, JK) + RAER(JAE, 6) * PAER(K_IPLON, 6, JK) |
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240 | P_TAUAERL(I_L, 6) = ZTAUAER(3) |
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241 | P_TAUAERL(I_L, 8) = ZTAUAER(3) |
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242 | P_TAUAERL(I_L, 9) = ZTAUAER(3) |
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243 | JAE = 4 |
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244 | ZTAUAER(JAE) = & |
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245 | & RAER(JAE, 1) * PAER(K_IPLON, 1, JK) + RAER(JAE, 2) * PAER(K_IPLON, 2, JK)& |
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246 | & + RAER(JAE, 3) * PAER(K_IPLON, 3, JK) + RAER(JAE, 4) * PAER(K_IPLON, 4, JK)& |
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247 | & + RAER(JAE, 5) * PAER(K_IPLON, 5, JK) + RAER(JAE, 6) * PAER(K_IPLON, 6, JK) |
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248 | P_TAUAERL(I_L, 7) = ZTAUAER(4) |
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249 | JAE = 5 |
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250 | ZTAUAER(JAE) = & |
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251 | & RAER(JAE, 1) * PAER(K_IPLON, 1, JK) + RAER(JAE, 2) * PAER(K_IPLON, 2, JK)& |
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252 | & + RAER(JAE, 3) * PAER(K_IPLON, 3, JK) + RAER(JAE, 4) * PAER(K_IPLON, 4, JK)& |
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253 | & + RAER(JAE, 5) * PAER(K_IPLON, 5, JK) + RAER(JAE, 6) * PAER(K_IPLON, 6, JK) |
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254 | ! END DO |
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255 | P_TAUAERL(I_L, 10) = ZTAUAER(5) |
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256 | P_TAUAERL(I_L, 11) = ZTAUAER(5) |
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257 | P_TAUAERL(I_L, 12) = ZTAUAER(5) |
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258 | P_TAUAERL(I_L, 13) = ZTAUAER(5) |
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259 | P_TAUAERL(I_L, 14) = ZTAUAER(5) |
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260 | P_TAUAERL(I_L, 15) = ZTAUAER(5) |
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261 | P_TAUAERL(I_L, 16) = ZTAUAER(5) |
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262 | ENDDO |
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263 | !--Use LW AOD from own Mie calculations (C. Kleinschmitt) |
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264 | DO I_L = 1, KLEV |
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265 | JK = KLEV - I_L + 1 |
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266 | DO JAE = 1, NLW |
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267 | P_TAUAERL(I_L, JAE) = MAX(PTAU_LW(K_IPLON, JK, JAE), 1e-30) |
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268 | ENDDO |
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269 | ENDDO |
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270 | !--end C. Kleinschmitt |
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271 | |
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272 | DO J2 = 1, KLEV |
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273 | DO J1 = 1, JPXSEC |
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274 | P_WX(J1, J2) = 0.0_JPRB |
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275 | ENDDO |
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276 | ENDDO |
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277 | |
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278 | DO I_L = 1, KLEV |
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279 | !- Set cross section molecule amounts from ECRT; convert to vmr |
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280 | P_WX(2, I_L) = rcfc11 * Z_AMD / Z_AMC11 |
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281 | P_WX(3, I_L) = rcfc12 * Z_AMD / Z_AMC12 |
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282 | P_WX(2, I_L) = P_COLDRY(I_L) * P_WX(2, I_L) * 1.E-20_JPRB |
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283 | P_WX(3, I_L) = P_COLDRY(I_L) * P_WX(3, I_L) * 1.E-20_JPRB |
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284 | |
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285 | !- Here, all molecules in WKL and WX are in volume mixing ratio; convert to |
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286 | ! molec/cm2 based on COLDRY for use in RRTM |
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287 | |
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288 | DO IMOL = 1, I_NMOL |
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289 | P_WKL(IMOL, I_L) = P_COLDRY(I_L) * P_WKL(IMOL, I_L) |
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290 | ENDDO |
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291 | |
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292 | ! DO IX = 1,JPXSEC |
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293 | ! IF (IXINDX(IX) /= 0) THEN |
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294 | ! WX(IXINDX(IX),L) = COLDRY(L) * WX(IX,L) * 1.E-20_JPRB |
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295 | ! ENDIF |
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296 | ! END DO |
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297 | |
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298 | ENDDO |
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299 | |
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300 | !- Approximate treatment for various cloud overlaps |
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301 | ZCLEAR = 1.0_JPRB |
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302 | ZCLOUD = 0.0_JPRB |
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303 | ZC1J(0) = 0.0_JPRB |
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304 | ZEPSEC = 1.E-03_JPRB |
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305 | JL = K_IPLON |
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306 | |
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307 | !++MODIFCODE |
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308 | IF ((NOVLP == 1).OR.(NOVLP ==6).OR.(NOVLP ==8)) THEN |
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309 | !--MODIFCODE |
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310 | |
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311 | DO JK = 1, KLEV |
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312 | IF (pcldf(JL, JK) > ZEPSEC) THEN |
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313 | ZCLDLY = pcldf(JL, JK) |
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314 | ZCLEAR = ZCLEAR & |
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315 | & * (1.0_JPRB - MAX(ZCLDLY, ZCLOUD))& |
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316 | & / (1.0_JPRB - MIN(ZCLOUD, 1.0_JPRB - ZEPSEC)) |
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317 | ZCLOUD = ZCLDLY |
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318 | ZC1J(JK) = 1.0_JPRB - ZCLEAR |
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319 | ELSE |
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320 | ZCLDLY = 0.0_JPRB |
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321 | ZCLEAR = ZCLEAR & |
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322 | & * (1.0_JPRB - MAX(ZCLDLY, ZCLOUD))& |
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323 | & / (1.0_JPRB - MIN(ZCLOUD, 1.0_JPRB - ZEPSEC)) |
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324 | ZCLOUD = ZCLDLY |
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325 | ZC1J(JK) = 1.0_JPRB - ZCLEAR |
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326 | ENDIF |
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327 | ENDDO |
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328 | |
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329 | !++MODIFCODE |
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330 | ELSEIF ((NOVLP == 2).OR.(NOVLP ==7)) THEN |
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331 | !--MODIFCODE |
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332 | |
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333 | DO JK = 1, KLEV |
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334 | IF (pcldf(JL, JK) > ZEPSEC) THEN |
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335 | ZCLDLY = pcldf(JL, JK) |
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336 | ZCLOUD = MAX(ZCLDLY, ZCLOUD) |
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337 | ZC1J(JK) = ZCLOUD |
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338 | ELSE |
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339 | ZCLDLY = 0.0_JPRB |
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340 | ZCLOUD = MAX(ZCLDLY, ZCLOUD) |
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341 | ZC1J(JK) = ZCLOUD |
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342 | ENDIF |
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343 | ENDDO |
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344 | |
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345 | !++MODIFCODE |
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346 | ELSEIF ((NOVLP == 3).OR.(NOVLP ==5)) THEN |
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347 | !--MODIFCODE |
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348 | |
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349 | DO JK = 1, KLEV |
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350 | IF (pcldf(JL, JK) > ZEPSEC) THEN |
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351 | ZCLDLY = pcldf(JL, JK) |
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352 | ZCLEAR = ZCLEAR * (1.0_JPRB - ZCLDLY) |
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353 | ZCLOUD = 1.0_JPRB - ZCLEAR |
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354 | ZC1J(JK) = ZCLOUD |
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355 | ELSE |
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356 | ZCLDLY = 0.0_JPRB |
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357 | ZCLEAR = ZCLEAR * (1.0_JPRB - ZCLDLY) |
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358 | ZCLOUD = 1.0_JPRB - ZCLEAR |
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359 | ZC1J(JK) = ZCLOUD |
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360 | ENDIF |
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361 | ENDDO |
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362 | |
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363 | ELSEIF (NOVLP == 4) THEN |
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364 | |
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365 | ENDIF |
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366 | PTCLEAR = 1.0_JPRB - ZC1J(KLEV) |
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367 | |
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368 | ! Transfer cloud fraction and cloud optical depth to RRTM arrays; |
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369 | ! invert array index for pcldf to go from bottom to top for RRTM |
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370 | |
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371 | !- clear-sky column |
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372 | IF (PTCLEAR > 1.0_JPRB - ZEPSEC) THEN |
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373 | KCLD = 0 |
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374 | DO I_L = 1, KLEV |
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375 | P_CLDFRAC(I_L) = 0.0_JPRB |
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376 | ENDDO |
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377 | DO JB = 1, JPBAND |
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378 | DO I_L = 1, KLEV |
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379 | P_TAUCLD(I_L, JB) = 0.0_JPRB |
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380 | ENDDO |
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381 | ENDDO |
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382 | |
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383 | ELSE |
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384 | |
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385 | !- cloudy column |
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386 | ! The diffusivity factor (Savijarvi, 1997) on the cloud optical |
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387 | ! thickness TAUCLD has already been applied in RADLSW |
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388 | |
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389 | KCLD = 1 |
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390 | DO I_L = 1, KLEV |
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391 | P_CLDFRAC(I_L) = pcldf(K_IPLON, I_L) |
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392 | ENDDO |
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393 | DO JB = 1, JPBAND |
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394 | DO I_L = 1, KLEV |
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395 | P_TAUCLD(I_L, JB) = ptaucld(K_IPLON, I_L, JB) |
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396 | ENDDO |
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397 | ENDDO |
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398 | |
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399 | ENDIF |
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400 | |
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401 | ! ------------------------------------------------------------------ |
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402 | |
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403 | IF (LHOOK) CALL DR_HOOK('RRTM_ECRT_140GP', 1, ZHOOK_HANDLE) |
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404 | END SUBROUTINE RRTM_ECRT_140GP |
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