| 1 | SUBROUTINE CTSTAR(KPROMA,KSTART,KPROF,PTB,PRESBH,PRESBF,POROG,PTSTAR,PT0) |
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| 2 | |
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| 3 | !**** *CTSTAR* - COMPUTES STANDARD SURFACE TEMPERATURE |
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| 4 | ! AND SURFACE TEMPERATURE. |
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| 5 | |
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| 6 | ! PURPOSE. |
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| 7 | ! -------- |
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| 8 | |
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| 9 | ! COMPUTES THE STANDARD SURFACE TEMPERATURE AND THE SURFACE |
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| 10 | ! TEMPERATURE TO BE USED FOR EXTRAPOLATIONS OF TEMPERATURE |
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| 11 | ! AND GEOPOTENTIEL. |
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| 12 | |
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| 13 | !** INTERFACE. |
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| 14 | ! ---------- |
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| 15 | ! *CALL* *CTSTAR(..)* |
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| 16 | |
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| 17 | ! EXPLICIT ARGUMENTS |
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| 18 | ! -------------------- |
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| 19 | |
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| 20 | ! KPROMA - HORIZONTAL DIMENSIONS. (INPUT) |
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| 21 | ! KSTART - START OF WORK (INPUT) |
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| 22 | ! KPROF - DEPTH OF WORK (INPUT) |
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| 23 | |
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| 24 | ! PTB(KPROMA) - TEMPERATURE AT NFLEVG-1 (INPUT) |
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| 25 | ! PRESBH(KPROMA) - LOWEST MODEL HALF LEVEL PRESSURES (INPUT) |
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| 26 | |
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| 27 | ! PRESBF(KPROMA) - PRESSURE AT NFLEVG-1 (INPUT) |
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| 28 | ! POROG(KPROMA) - MODEL ORGRAPHY (INPUT) |
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| 29 | |
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| 30 | |
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| 31 | ! PTSTAR(KPROMA) - SURFACE TEMPERATURE (OUTPUT) |
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| 32 | |
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| 33 | ! PT0(KPROMA) - STANDARD SURFACE TEMPERATURE (OUTPUT) |
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| 34 | |
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| 35 | ! IMPLICIT ARGUMENTS : CONSTANTS FROM YOMSTA,YOMCST. |
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| 36 | ! -------------------- |
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| 37 | |
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| 38 | ! METHOD. |
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| 39 | ! ------- |
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| 40 | ! SEE DOCUMENTATION |
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| 41 | |
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| 42 | ! EXTERNALS. NONE. |
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| 43 | ! ---------- |
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| 44 | |
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| 45 | ! REFERENCE. |
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| 46 | ! ---------- |
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| 47 | ! ECMWF Research Department documentation of the IFS |
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| 48 | |
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| 49 | ! AUTHOR. |
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| 50 | ! ------- |
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| 51 | ! MATS HAMRUD AND PHILIPPE COURTIER *ECMWF* |
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| 52 | |
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| 53 | ! MODIFICATIONS. |
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| 54 | ! -------------- |
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| 55 | ! ORIGINAL : 89-05-02 |
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| 56 | |
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| 57 | ! Modification : 93-06-01 M.Hamrud (Comment only, now T from NFLEVG-1) |
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| 58 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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| 59 | |
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| 60 | ! ------------------------------------------------------------------ |
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| 61 | |
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| 62 | !USE PARKIND1 |
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| 63 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/module/parkind1.F90.php#parkind1> ,ONLY : JPIM ,JPRB |
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| 64 | !USE YOMHOOK |
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| 65 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/module/yomhook.F90.php#yomhook> ,ONLY : LHOOK, DR_HOOK |
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| 66 | |
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| 67 | !USE YOMCST, ONLY : RG, RD |
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| 68 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/arp/module/yomcst.F90.php#yomcst> , ONLY : RG |
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| 69 | |
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| 70 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/support/rg.F.php#rg> ,RD |
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| 71 | !USE YOMSTA |
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| 72 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/arp/module/yomsta.F90.php#yomsta> , ONLY : RDTDZ1 |
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| 73 | |
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| 74 | IMPLICIT NONE |
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| 75 | |
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| 76 | include "YOMCST.h" |
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| 77 | !IM INTEGER(KIND=JPIM),INTENT(IN) :: KPROMA |
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| 78 | !IM INTEGER(KIND=JPIM),INTENT(IN) :: KSTART |
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| 79 | !IM INTEGER(KIND=JPIM),INTENT(IN) :: KPROF |
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| 80 | INTEGER,INTENT(IN) :: KPROMA |
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| 81 | INTEGER,INTENT(IN) :: KSTART |
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| 82 | INTEGER,INTENT(IN) :: KPROF |
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| 83 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: PTB(KPROMA) |
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| 84 | REAL ,INTENT(IN) :: PTB(KPROMA) |
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| 85 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: PRESBH(KPROMA) |
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| 86 | REAL ,INTENT(IN) :: PRESBH(KPROMA) |
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| 87 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: PRESBF(KPROMA) |
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| 88 | REAL ,INTENT(IN) :: PRESBF(KPROMA) |
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| 89 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: POROG(KPROMA) |
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| 90 | REAL ,INTENT(IN) :: POROG(KPROMA) |
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| 91 | !IM REAL(KIND=JPRB) ,INTENT(OUT) :: PTSTAR(KPROMA) |
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| 92 | REAL ,INTENT(OUT) :: PTSTAR(KPROMA) |
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| 93 | !IM REAL(KIND=JPRB) ,INTENT(OUT) :: PT0(KPROMA) |
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| 94 | REAL ,INTENT(OUT) :: PT0(KPROMA) |
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| 95 | !IM INTEGER(KIND=JPIM) :: JL |
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| 96 | INTEGER :: JL |
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| 97 | |
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| 98 | !IM REAL(KIND=JPRB) :: ZALPHA, ZDTDZSG |
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| 99 | REAL :: ZALPHA, ZDTDZSG |
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| 100 | !IM REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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| 101 | REAL :: ZHOOK_HANDLE |
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| 102 | !IM beg |
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| 103 | REAL, PARAMETER :: RDTDZ1=-0.0065 !or USE YOMSTA |
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| 104 | !IM end |
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| 105 | |
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| 106 | ! ------------------------------------------------------------------ |
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| 107 | |
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| 108 | !* 1. COMPUTES SURFACE TEMPERATURE |
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| 109 | !* THEN STANDARD SURFACE TEMPERATURE. |
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| 110 | |
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| 111 | !IF (LHOOK) CALL DR_HOOK('CTSTAR',0,ZHOOK_HANDLE) |
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| 112 | ZDTDZSG=-RDTDZ1/RG |
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| 113 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/support/rg.F.php#rg> |
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| 114 | ZALPHA=ZDTDZSG*RD |
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| 115 | DO JL=KSTART,KPROF |
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| 116 | |
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| 117 | !IM PTSTAR(JL)=PTB(JL)*(1.0_JPRB+ZALPHA*(PRESBH(JL)/PRESBF(JL)-1.0_JPRB)) |
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| 118 | PTSTAR(JL)=PTB(JL)*(1.0+ZALPHA*(PRESBH(JL)/PRESBF(JL)-1.0)) |
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| 119 | PT0(JL)=PTSTAR(JL)+ZDTDZSG*POROG(JL) |
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| 120 | ! print*,'cstar JL ptb zalpha PRESBH PRESBF ptstar' & |
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| 121 | ! ,JL,PTB(JL),ZALPHA,PRESBH(JL),PRESBF(JL),PTSTAR(JL) |
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| 122 | ENDDO |
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| 123 | |
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| 124 | |
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| 125 | ! ------------------------------------------------------------------ |
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| 126 | |
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| 127 | !IF (LHOOK) CALL DR_HOOK('CTSTAR',1,ZHOOK_HANDLE) |
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| 128 | END SUBROUTINE CTSTAR |
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