| 1 | SUBROUTINE LWV & |
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| 2 | &( KIDIA, KFDIA, KLON , KLEV , KUAER , KTRAER & |
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| 3 | &, PABCU, PB , PBINT, PBSUR, PBTOP , PDBSL & |
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| 4 | &, PEMIS, PEMIW & |
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| 5 | &, PGA , PGB , PGASUR,PGBSUR,PGATOP, PGBTOP & |
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| 6 | &, PCNTRB,PFLUC & |
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| 7 | &) |
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| 8 | |
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| 9 | !**** *LWV* - LONGWAVE RADIATION, VERTICAL INTEGRATION |
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| 10 | |
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| 11 | ! PURPOSE. |
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| 12 | ! -------- |
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| 13 | ! CARRIES OUT THE VERTICAL INTEGRATION TO GIVE LONGWAVE |
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| 14 | ! FLUXES OR RADIANCES |
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| 15 | |
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| 16 | !** INTERFACE. |
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| 17 | ! ---------- |
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| 18 | |
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| 19 | ! EXPLICIT ARGUMENTS : |
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| 20 | ! -------------------- |
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| 21 | ! ==== INPUTS === |
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| 22 | ! PABCU : (KLON,NUA,3*KLEV+1); ABSORBER AMOUNTS |
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| 23 | ! PB : (KLON,NSIL,KLEV+1); SPECTRAL HALF-LEVEL PLANCK FUNCTIONS |
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| 24 | ! PBINT : (KLON,KLEV+1) ; HALF-LEVEL PLANCK FUNCTIONS |
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| 25 | ! PBSUR : (KLON,NSIL) ; SURFACE SPECTRAL PLANCK FUNCTION |
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| 26 | ! PBTOP : (KLON,NSIL) ; T.O.A. SPECTRAL PLANCK FUNCTION |
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| 27 | ! PDBSL : (KLON,KLEV*2) ; SUB-LAYER PLANCK FUNCTION GRADIENT |
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| 28 | ! PEMIS : (KLON) ; SURFACE LW EMISSIVITY |
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| 29 | ! PEMIW : (KLON) ; SURFACE LW WINDOW EMISSIVITY |
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| 30 | ! PGA, PGB ; PADE APPROXIMANTS |
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| 31 | ! PGASUR, PGBSUR ; SURFACE PADE APPROXIMANTS |
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| 32 | ! PGATOP, PGBTOP ; T.O.A. PADE APPROXIMANTS |
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| 33 | ! ==== OUTPUTS === |
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| 34 | ! PCNTRB : (KLON,KLEV+1,KLEV+1); CLEAR-SKY ENERGY EXCHANGE MATRIX |
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| 35 | ! PFLUC(KLON,2,KLEV) ; RADIATIVE FLUXES CLEAR-SKY |
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| 36 | |
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| 37 | ! IMPLICIT ARGUMENTS : NONE |
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| 38 | ! -------------------- |
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| 39 | |
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| 40 | ! METHOD. |
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| 41 | ! ------- |
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| 42 | |
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| 43 | ! 1. PERFORMS THE VERTICAL INTEGRATION DISTINGUISHING BETWEEN |
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| 44 | ! CONTRIBUTIONS BY - THE NEARBY LAYERS |
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| 45 | ! - THE DISTANT LAYERS |
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| 46 | ! - THE BOUNDARY TERMS |
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| 47 | ! 2. COMPUTES THE CLEAR-SKY DOWNWARD AND UPWARD EMISSIVITIES. |
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| 48 | |
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| 49 | ! EXTERNALS. |
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| 50 | ! ---------- |
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| 51 | |
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| 52 | ! *LWVN*, *LWVD*, *LWVB* |
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| 53 | |
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| 54 | ! REFERENCE. |
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| 55 | ! ---------- |
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| 56 | |
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| 57 | ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND |
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| 58 | ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS |
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| 59 | |
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| 60 | ! AUTHOR. |
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| 61 | ! ------- |
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| 62 | ! JEAN-JACQUES MORCRETTE *ECMWF* |
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| 63 | |
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| 64 | ! MODIFICATIONS. |
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| 65 | ! -------------- |
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| 66 | ! ORIGINAL : 89-07-14 |
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| 67 | ! JJ Morcrette 96-06-07 Surface LW window emissivity |
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| 68 | !----------------------------------------------------------------------- |
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| 69 | |
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| 70 | #include "tsmbkind.h" |
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| 71 | |
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| 72 | USE YOELW , ONLY : NSIL ,NIPD ,NUA |
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| 73 | |
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| 74 | |
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| 75 | IMPLICIT NONE |
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| 76 | |
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| 77 | |
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| 78 | ! DUMMY INTEGER SCALARS |
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| 79 | INTEGER_M :: KFDIA |
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| 80 | INTEGER_M :: KIDIA |
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| 81 | INTEGER_M :: KLEV |
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| 82 | INTEGER_M :: KLON |
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| 83 | INTEGER_M :: KTRAER |
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| 84 | INTEGER_M :: KUAER |
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| 85 | |
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| 86 | |
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| 87 | |
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| 88 | !----------------------------------------------------------------------- |
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| 89 | |
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| 90 | !* 0.1 ARGUMENTS |
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| 91 | ! --------- |
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| 92 | |
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| 93 | |
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| 94 | REAL_B :: PABCU(KLON,NUA,3*KLEV+1)& |
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| 95 | &, PB(KLON,NSIL,KLEV+1) , PBINT(KLON,KLEV+1)& |
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| 96 | &, PBSUR(KLON,NSIL) , PBTOP(KLON,NSIL)& |
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| 97 | &, PDBSL(KLON,NSIL,KLEV*2)& |
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| 98 | &, PEMIS(KLON) , PEMIW(KLON)& |
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| 99 | &, PGA(KLON,NIPD,2,KLEV) , PGB(KLON,NIPD,2,KLEV)& |
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| 100 | &, PGASUR(KLON,NIPD,2) , PGBSUR(KLON,NIPD,2)& |
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| 101 | &, PGATOP(KLON,NIPD,2) , PGBTOP(KLON,NIPD,2) |
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| 102 | |
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| 103 | REAL_B :: PCNTRB(KLON,KLEV+1,KLEV+1), PFLUC(KLON,2,KLEV+1) |
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| 104 | |
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| 105 | !----------------------------------------------------------------------- |
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| 106 | |
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| 107 | !* 0.2 LOCAL ARRAYS |
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| 108 | ! ------------ |
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| 109 | |
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| 110 | REAL_B :: ZADJD(KLON,KLEV+1) , ZADJU(KLON,KLEV+1)& |
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| 111 | &, ZDBDT(KLON,NSIL,KLEV)& |
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| 112 | &, ZDISD(KLON,KLEV+1) , ZDISU(KLON,KLEV+1)& |
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| 113 | &, ZDWFSU(KLON,NSIL) |
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| 114 | |
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| 115 | ! LOCAL INTEGER SCALARS |
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| 116 | INTEGER_M :: JA, JK, JL |
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| 117 | |
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| 118 | |
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| 119 | !----------------------------------------------------------------------- |
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| 120 | |
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| 121 | !* 1. INITIALIZATION |
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| 122 | ! -------------- |
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| 123 | |
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| 124 | !* 1.1 INITIALIZE LAYER CONTRIBUTIONS |
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| 125 | ! ------------------------------ |
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| 126 | |
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| 127 | DO JK=1,KLEV+1 |
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| 128 | DO JL=KIDIA,KFDIA |
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| 129 | ZADJD(JL,JK)=_ZERO_ |
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| 130 | ZADJU(JL,JK)=_ZERO_ |
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| 131 | ZDISD(JL,JK)=_ZERO_ |
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| 132 | ZDISU(JL,JK)=_ZERO_ |
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| 133 | ENDDO |
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| 134 | ENDDO |
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| 135 | DO JA=1,NSIL |
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| 136 | DO JL=KIDIA,KFDIA |
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| 137 | ZDWFSU(JL,JA)=_ZERO_ |
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| 138 | ENDDO |
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| 139 | ENDDO |
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| 140 | |
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| 141 | ! ------------------------------------------------------------------ |
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| 142 | |
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| 143 | !* 2. VERTICAL INTEGRATION |
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| 144 | ! -------------------- |
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| 145 | |
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| 146 | ! ------------------------------------------------------------------ |
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| 147 | |
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| 148 | !* 2.1 CONTRIBUTION FROM ADJACENT LAYERS |
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| 149 | ! --------------------------------- |
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| 150 | |
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| 151 | CALL LWVN & |
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| 152 | &( KIDIA, KFDIA, KLON , KLEV , KUAER & |
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| 153 | &, PABCU, PDBSL, PGA , PGB & |
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| 154 | &, ZADJD, ZADJU, PCNTRB, ZDBDT, ZDWFSU & |
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| 155 | &) |
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| 156 | |
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| 157 | ! ------------------------------------------------------------------ |
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| 158 | |
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| 159 | !* 2.2 CONTRIBUTION FROM DISTANT LAYERS |
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| 160 | ! --------------------------------- |
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| 161 | |
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| 162 | CALL LWVD & |
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| 163 | &( KIDIA , KFDIA, KLON , KLEV , KTRAER & |
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| 164 | &, PABCU , ZDBDT, PGA , PGB & |
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| 165 | &, PCNTRB, ZDISD, ZDISU, ZDWFSU & |
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| 166 | &) |
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| 167 | |
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| 168 | ! ------------------------------------------------------------------ |
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| 169 | |
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| 170 | !* 2.3 EXCHANGE WITH THE BOUNDARIES |
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| 171 | ! ---------------------------- |
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| 172 | |
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| 173 | CALL LWVB & |
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| 174 | &( KIDIA , KFDIA , KLON , KLEV , KUAER & |
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| 175 | &, PABCU , ZADJD , ZADJU & |
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| 176 | &, PB , PBINT , PBSUR , PBTOP & |
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| 177 | &, ZDISD , ZDISU , PEMIS , PEMIW & |
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| 178 | &, PGASUR, PGBSUR, PGATOP, PGBTOP & |
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| 179 | &, ZDWFSU,PFLUC & |
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| 180 | &) |
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| 181 | |
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| 182 | !----------------------------------------------------------------------- |
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| 183 | |
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| 184 | RETURN |
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| 185 | END SUBROUTINE LWV |
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