| 1 | SUBROUTINE LW & |
|---|
| 2 | &( KIDIA, KFDIA , KLON , KLEV , KMODE & |
|---|
| 3 | &, PCCO2, PCLDLD, PCLDLU & |
|---|
| 4 | &, PDP , PDT0 , PEMIS , PEMIW & |
|---|
| 5 | &, PPMB , PQOF , PTL & |
|---|
| 6 | &, PAER , PTAVE , PVIEW , PWV & |
|---|
| 7 | &, PCOLR, PCOLC , PEMIT , PFLUX , PFLUC & |
|---|
| 8 | &) |
|---|
| 9 | |
|---|
| 10 | !**** *LW* - ORGANIZES THE LONGWAVE CALCULATIONS |
|---|
| 11 | |
|---|
| 12 | ! PURPOSE. |
|---|
| 13 | ! -------- |
|---|
| 14 | ! COMPUTES LONGWAVE FLUXES |
|---|
| 15 | |
|---|
| 16 | !** INTERFACE. |
|---|
| 17 | ! ---------- |
|---|
| 18 | |
|---|
| 19 | ! *LW* IS CALLED FROM *RADLSW* |
|---|
| 20 | |
|---|
| 21 | ! EXPLICIT ARGUMENTS : |
|---|
| 22 | ! -------------------- |
|---|
| 23 | ! PAER : (KLON,6,KLEV) ; OPTICAL THICKNESS OF THE AEROSOLS |
|---|
| 24 | ! PCCO2 : ; CONCENTRATION IN CO2 (PA/PA) |
|---|
| 25 | ! PCLDLD : (KLON,KLEV) ; DOWNWARD EFFECTIVE CLOUD FRACTION |
|---|
| 26 | ! PCLDLU : (KLON,KLEV) ; UPWARD EFFECTIVE CLOUD FRACTION |
|---|
| 27 | ! PDP : (KLON,KLEV) ; LAYER PRESSURE THICKNESS |
|---|
| 28 | ! PDT0 : (KLON) ; SURFACE TEMPERATURE DISCONTINUITY |
|---|
| 29 | ! PEMIS : (KLON) ; SURFACE LW EMISSIVITY |
|---|
| 30 | ! PEMIW : (KLON) ; SURFACE LW WINDOW EMISSIVITY |
|---|
| 31 | ! PPMB : (KLON,KLEV+1) ; HALF LEVEL PRESSURE |
|---|
| 32 | ! PQOF : (KLON,KLEV) ; CONCENTRATION IN OZONE (PA/PA) |
|---|
| 33 | ! PTAVE : (KLON,KLEV) ; TEMPERATURE |
|---|
| 34 | ! PTL : (KLON,KLEV+1) ; HALF LEVEL TEMPERATURE |
|---|
| 35 | ! PVIEW : (KLON) ; COSECANT OF VIEWING ANGLE |
|---|
| 36 | ! PWV : (KLON,KLEV) ; SPECIFIC HUMIDITY (PA/PA) |
|---|
| 37 | ! ==== OUTPUTS === |
|---|
| 38 | ! PCOLR(KLON,KLEV) ; LONG-WAVE TENDENCY |
|---|
| 39 | ! PCOLC(KLON,KLEV) ; LONG-WAVE TENDENCY CLEAR SKY |
|---|
| 40 | ! PEMIT(KLON) ; SURFACE TOTAL LW EMISSIVITY |
|---|
| 41 | ! PFLUX(KLON,2,KLEV) ; RADIATIVE FLUXES : |
|---|
| 42 | ! 1 ==> UPWARD FLUX TOTAL |
|---|
| 43 | ! 2 ==> DOWNWARD FLUX TOTAL |
|---|
| 44 | ! PFLUC(KLON,2,KLEV) ; RADIATIVE FLUXES CLEAR SKY: |
|---|
| 45 | ! 1 ==> UPWARD FLUX TOTAL |
|---|
| 46 | ! 2 ==> DOWNWARD FLUX TOTAL |
|---|
| 47 | |
|---|
| 48 | ! IMPLICIT ARGUMENTS : NONE |
|---|
| 49 | ! -------------------- |
|---|
| 50 | |
|---|
| 51 | ! METHOD. |
|---|
| 52 | ! ------- |
|---|
| 53 | |
|---|
| 54 | ! 1. COMPUTES THE PRESSURE AND TEMPERATURE WEIGHTED AMOUNTS OF |
|---|
| 55 | ! ABSORBERS. |
|---|
| 56 | ! 2. COMPUTES THE PLANCK FUNCTIONS ON THE INTERFACES AND THE |
|---|
| 57 | ! GRADIENT OF PLANCK FUNCTIONS IN THE LAYERS. |
|---|
| 58 | ! 3. PERFORMS THE VERTICAL INTEGRATION DISTINGUISHING THE CON- |
|---|
| 59 | ! TRIBUTIONS OF THE ADJACENT AND DISTANT LAYERS AND THOSE FROM THE |
|---|
| 60 | ! BOUNDARIES. |
|---|
| 61 | ! 4. COMPUTES THE CLEAR-SKY DOWNWARD AND UPWARD EMISSIVITIES. |
|---|
| 62 | ! 5. INTRODUCES THE EFFECTS OF THE CLOUDS ON THE FLUXES. |
|---|
| 63 | |
|---|
| 64 | ! EXTERNALS. |
|---|
| 65 | ! ---------- |
|---|
| 66 | |
|---|
| 67 | ! *LWU*, *LWBV*, *LWC* |
|---|
| 68 | |
|---|
| 69 | ! REFERENCE. |
|---|
| 70 | ! ---------- |
|---|
| 71 | |
|---|
| 72 | ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
|---|
| 73 | ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
|---|
| 74 | |
|---|
| 75 | ! AUTHOR. |
|---|
| 76 | ! ------- |
|---|
| 77 | ! JEAN-JACQUES MORCRETTE *ECMWF* |
|---|
| 78 | |
|---|
| 79 | ! MODIFICATIONS. |
|---|
| 80 | ! -------------- |
|---|
| 81 | ! ORIGINAL : 89-07-14 |
|---|
| 82 | ! 99-05-25 JJMorcrette Revised aerosols |
|---|
| 83 | |
|---|
| 84 | !----------------------------------------------------------------------- |
|---|
| 85 | |
|---|
| 86 | #include "tsmbkind.h" |
|---|
| 87 | |
|---|
| 88 | USE YOELW , ONLY : NUA |
|---|
| 89 | USE YOERDU , ONLY : RCDAY |
|---|
| 90 | |
|---|
| 91 | |
|---|
| 92 | IMPLICIT NONE |
|---|
| 93 | |
|---|
| 94 | |
|---|
| 95 | ! DUMMY INTEGER SCALARS |
|---|
| 96 | INTEGER_M :: KFDIA |
|---|
| 97 | INTEGER_M :: KIDIA |
|---|
| 98 | INTEGER_M :: KLEV |
|---|
| 99 | INTEGER_M :: KLON |
|---|
| 100 | INTEGER_M :: KMODE |
|---|
| 101 | |
|---|
| 102 | ! DUMMY REAL SCALARS |
|---|
| 103 | REAL_B :: PCCO2 |
|---|
| 104 | |
|---|
| 105 | |
|---|
| 106 | |
|---|
| 107 | !----------------------------------------------------------------------- |
|---|
| 108 | |
|---|
| 109 | !* 0.1 ARGUMENTS |
|---|
| 110 | ! --------- |
|---|
| 111 | |
|---|
| 112 | REAL_B :: PAER(KLON,6,KLEV)& |
|---|
| 113 | &, PCLDLD(KLON,KLEV) , PCLDLU(KLON,KLEV)& |
|---|
| 114 | &, PDP(KLON,KLEV) , PDT0(KLON) & |
|---|
| 115 | &, PEMIS(KLON) , PEMIW(KLON)& |
|---|
| 116 | &, PPMB(KLON,KLEV+1)& |
|---|
| 117 | &, PQOF(KLON,KLEV) & |
|---|
| 118 | &, PTL(KLON,KLEV+1) , PTAVE(KLON,KLEV) & |
|---|
| 119 | &, PVIEW(KLON) , PWV(KLON,KLEV) |
|---|
| 120 | |
|---|
| 121 | REAL_B :: PCOLR(KLON,KLEV) , PCOLC(KLON,KLEV)& |
|---|
| 122 | &, PEMIT(KLON) & |
|---|
| 123 | &, PFLUX(KLON,2,KLEV+1), PFLUC(KLON,2,KLEV+1) |
|---|
| 124 | |
|---|
| 125 | !------------------------------------------------------------------------- |
|---|
| 126 | |
|---|
| 127 | !* 0.2 LOCAL ARRAYS |
|---|
| 128 | ! ------------ |
|---|
| 129 | REAL_B :: ZABCU(KLON,NUA,3*KLEV+1)& |
|---|
| 130 | &, ZBINT(KLON,KLEV+1) , ZBSUI(KLON)& |
|---|
| 131 | &, ZCNTRB(KLON,KLEV+1,KLEV+1) |
|---|
| 132 | |
|---|
| 133 | ! LOCAL INTEGER SCALARS |
|---|
| 134 | INTEGER_M :: JK, JKL, JL |
|---|
| 135 | |
|---|
| 136 | ! LOCAL REAL SCALARS |
|---|
| 137 | REAL_B :: ZDCNET, ZDFNET |
|---|
| 138 | |
|---|
| 139 | |
|---|
| 140 | ! ------------------------------------------------------------------ |
|---|
| 141 | |
|---|
| 142 | !* 1. INITIALIZATION |
|---|
| 143 | ! -------------- |
|---|
| 144 | |
|---|
| 145 | !100 CONTINUE |
|---|
| 146 | |
|---|
| 147 | ! ------------------------------------------------------------------ |
|---|
| 148 | |
|---|
| 149 | !* 1.1 COMPUTES ABSORBER AMOUNTS |
|---|
| 150 | ! ------------------------- |
|---|
| 151 | |
|---|
| 152 | CALL LWU & |
|---|
| 153 | &( KIDIA, KFDIA, KLON, KLEV & |
|---|
| 154 | &, PAER , PCCO2, PDP , PPMB, PQOF , PTAVE, PVIEW, PWV & |
|---|
| 155 | &, ZABCU & |
|---|
| 156 | &) |
|---|
| 157 | |
|---|
| 158 | ! ------------------------------------------------------------------ |
|---|
| 159 | |
|---|
| 160 | !* 2. COMPUTES PLANCK FUNCTIONS |
|---|
| 161 | ! ------------------------- |
|---|
| 162 | ! PERFORMS THE VERTICAL INTEGRATION |
|---|
| 163 | ! --------------------------------- |
|---|
| 164 | |
|---|
| 165 | CALL LWBV & |
|---|
| 166 | &( KIDIA, KFDIA, KLON , KLEV , KMODE & |
|---|
| 167 | &, PDT0 , PEMIS, PEMIW, PTL , PTAVE & |
|---|
| 168 | &, PEMIT, PFLUC & |
|---|
| 169 | &, ZABCU, ZBINT, ZBSUI, ZCNTRB & |
|---|
| 170 | &) |
|---|
| 171 | |
|---|
| 172 | ! ------------------------------------------------------------------ |
|---|
| 173 | |
|---|
| 174 | !* 4. INTRODUCES THE EFFECTS OF CLOUDS |
|---|
| 175 | ! -------------------------------- |
|---|
| 176 | |
|---|
| 177 | !print *,'Just before LWC' |
|---|
| 178 | CALL LWC & |
|---|
| 179 | &( KIDIA , KFDIA, KLON , KLEV & |
|---|
| 180 | &, ZBINT , ZBSUI, PCLDLD, PCLDLU & |
|---|
| 181 | &, ZCNTRB, PEMIT, PFLUC & |
|---|
| 182 | &, PFLUX & |
|---|
| 183 | &) |
|---|
| 184 | |
|---|
| 185 | DO JKL = 1 , KLEV |
|---|
| 186 | JK = KLEV+1 - JKL |
|---|
| 187 | DO JL = KIDIA,KFDIA |
|---|
| 188 | ZDCNET = PFLUC(JL,1,JK+1) + PFLUC(JL,2,JK+1)& |
|---|
| 189 | &-PFLUC(JL,1,JK ) - PFLUC(JL,2,JK ) |
|---|
| 190 | PCOLC(JL,JK) = RCDAY * ZDCNET / PDP(JL,JKL) |
|---|
| 191 | ZDFNET = PFLUX(JL,1,JK+1) + PFLUX(JL,2,JK+1)& |
|---|
| 192 | &-PFLUX(JL,1,JK ) - PFLUX(JL,2,JK ) |
|---|
| 193 | PCOLR(JL,JK) = RCDAY * ZDFNET / PDP(JL,JKL) |
|---|
| 194 | ENDDO |
|---|
| 195 | ENDDO |
|---|
| 196 | |
|---|
| 197 | ! ------------------------------------------------------------------ |
|---|
| 198 | |
|---|
| 199 | RETURN |
|---|
| 200 | END SUBROUTINE LW |
|---|
