| Directory: | ./ |
|---|---|
| File: | phys/pppmer.f90 |
| Date: | 2022-01-11 19:19:34 |
| Exec | Total | Coverage | |
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| Lines: | 24 | 24 | 100.0% |
| Branches: | 18 | 18 | 100.0% |
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | 700320 | SUBROUTINE PPPMER(KPROMA,KSTART,KPROF,PRPRESS,POROG,PTSTAR,PT0,PMSLPPP) | |
| 2 | |||
| 3 | !**** *PPPMER* - POST-PROCESS MSL PRESSURE. | ||
| 4 | |||
| 5 | ! PURPOSE. | ||
| 6 | ! -------- | ||
| 7 | ! COMPUTES MSL PRESSURE. | ||
| 8 | |||
| 9 | !** INTERFACE. | ||
| 10 | ! ---------- | ||
| 11 | |||
| 12 | ! *CALL* *PPPMER(KPROMA,KSTART,KPROF,PRPRESS,POROG,PTSTAR,PT0, | ||
| 13 | ! S PMSLPPP) | ||
| 14 | |||
| 15 | ! EXPLICIT ARGUMENTS | ||
| 16 | ! -------------------- | ||
| 17 | |||
| 18 | |||
| 19 | ! KPROMA - HORIZONTAL DIMENSION. (INPUT) | ||
| 20 | ! KSTART - START OF WORK. (INPUT) | ||
| 21 | ! KPROF - DEPTH OF WORK. (INPUT) | ||
| 22 | ! PRPRESS(KPROMA) - SURFACE PRESSURE (INPUT) | ||
| 23 | ! POROG(KPROMA) - MODEL OROGRAPHY. (INPUT) | ||
| 24 | ! PTSTAR(KPROMA) - SURFACE TEMPERATURE (INPUT) | ||
| 25 | ! PT0(KPROMA) - STANDARD SURFACE TEMPERATURE (INPUT) | ||
| 26 | ! PMSLPPP(KPROMA) - POST-PROCESSED MSL PRESSURE (OUTPUT) | ||
| 27 | ! IMPLICIT ARGUMENTS : CONSTANTS FROM YOMCST,YOMGEM,YOMSTA. | ||
| 28 | ! -------------------- | ||
| 29 | |||
| 30 | ! METHOD. | ||
| 31 | ! ------- | ||
| 32 | ! SEE DOCUMENTATION | ||
| 33 | |||
| 34 | ! EXTERNALS. NONE | ||
| 35 | ! ---------- | ||
| 36 | |||
| 37 | ! REFERENCE. | ||
| 38 | ! ---------- | ||
| 39 | ! ECMWF Research Department documentation of the IFS | ||
| 40 | |||
| 41 | ! AUTHOR. | ||
| 42 | ! ------- | ||
| 43 | ! MATS HAMRUD AND PHILIPPE COURTIER *ECMWF* | ||
| 44 | |||
| 45 | ! MODIFICATIONS. | ||
| 46 | ! -------------- | ||
| 47 | ! ORIGINAL : 89-01-26 | ||
| 48 | |||
| 49 | ! E. A-son, J-F Geleyn 920409 Mod. T*, T0 and alpha below surface. | ||
| 50 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning | ||
| 51 | |||
| 52 | ! ------------------------------------------------------------------ | ||
| 53 | |||
| 54 | ! USE PARKIND1 | ||
| 55 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/module/parkind1.F90.php#parkind1> ,ONLY : JPIM ,JPRB | ||
| 56 | ! USE YOMHOOK | ||
| 57 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/module/yomhook.F90.php#yomhook> ,ONLY : LHOOK, DR_HOOK | ||
| 58 | |||
| 59 | !USE YOMCST, ONLY : RG, RD | ||
| 60 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/arp/module/yomcst.F90.php#yomcst> , ONLY : RG | ||
| 61 | |||
| 62 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/support/rg.F.php#rg> ,RD | ||
| 63 | ! USE YOMSTA | ||
| 64 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/arp/module/yomsta.F90.php#yomsta> , ONLY : RDTDZ1 | ||
| 65 | |||
| 66 | IMPLICIT NONE | ||
| 67 | |||
| 68 | include "YOMCST.h" | ||
| 69 | !IM INTEGER(KIND=JPIM),INTENT(IN) :: KPROMA | ||
| 70 | !IM INTEGER(KIND=JPIM),INTENT(IN) :: KSTART | ||
| 71 | !IM INTEGER(KIND=JPIM),INTENT(IN) :: KPROF | ||
| 72 | INTEGER,INTENT(IN) :: KPROMA | ||
| 73 | INTEGER,INTENT(IN) :: KSTART | ||
| 74 | INTEGER,INTENT(IN) :: KPROF | ||
| 75 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: PRPRESS(KPROMA) | ||
| 76 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: POROG(KPROMA) | ||
| 77 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: PTSTAR(KPROMA) | ||
| 78 | !IM REAL(KIND=JPRB) ,INTENT(IN) :: PT0(KPROMA) | ||
| 79 | !IM REAL(KIND=JPRB) ,INTENT(OUT) :: PMSLPPP(KPROMA) | ||
| 80 | !IM REAL(KIND=JPRB) :: ZTSTAR(KPROMA) | ||
| 81 | !IM REAL(KIND=JPRB) :: ZALPHA(KPROMA) | ||
| 82 | REAL,INTENT(IN) :: PRPRESS(KPROMA) | ||
| 83 | REAL,INTENT(IN) :: POROG(KPROMA) | ||
| 84 | REAL,INTENT(IN) :: PTSTAR(KPROMA) | ||
| 85 | REAL,INTENT(IN) :: PT0(KPROMA) | ||
| 86 | REAL,INTENT(OUT) :: PMSLPPP(KPROMA) | ||
| 87 | 960 | REAL :: ZTSTAR(KPROMA) | |
| 88 | 960 | REAL :: ZALPHA(KPROMA) | |
| 89 | |||
| 90 | !IM INTEGER(KIND=JPIM) :: JL | ||
| 91 | INTEGER :: JL | ||
| 92 | |||
| 93 | !IM REAL(KIND=JPRB) :: ZDTDZSG, ZOROG, ZT0, ZTX, ZTY, ZX, ZY, ZY2 | ||
| 94 | !IM REAL(KIND=JPRB) :: ZHOOK_HANDLE | ||
| 95 | REAL :: ZDTDZSG, ZOROG, ZT0, ZTX, ZTY, ZX, ZY, ZY2 | ||
| 96 | REAL :: ZHOOK_HANDLE | ||
| 97 | !IM beg | ||
| 98 | REAL, PARAMETER :: RDTDZ1=-0.0065 !or USE YOMSTA | ||
| 99 | !IM end | ||
| 100 | |||
| 101 | ! ------------------------------------------------------------------ | ||
| 102 | |||
| 103 | !* 1. POST-PROCESS MSL PRESSURE. | ||
| 104 | ! -------------------------- | ||
| 105 | |||
| 106 | !* 1.1 COMPUTATION OF MODIFIED ALPHA AND TSTAR. | ||
| 107 | |||
| 108 | !IM IF (LHOOK) CALL DR_HOOK('PPPMER',0,ZHOOK_HANDLE) | ||
| 109 | !IM ZTX=290.5_JPRB | ||
| 110 | !IM ZTY=255.0_JPRB | ||
| 111 | ZTX=290.5 | ||
| 112 | ZTY=255.0 | ||
| 113 | 480 | ZDTDZSG=-RDTDZ1/RG | |
| 114 | !<http://intra.cnrm.meteo.fr/eac/ARPCLI5.2/doci/code/arpcli5.2/xrd/support/rg.F.php#rg> | ||
| 115 |
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477600 | DO JL=KSTART,KPROF |
| 116 | |||
| 117 |
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477120 | IF(PTSTAR(JL) < ZTY) THEN |
| 118 | !IM ZTSTAR(JL)=0.5_JPRB*(ZTY+PTSTAR(JL)) | ||
| 119 | 53094 | ZTSTAR(JL)=0.5*(ZTY+PTSTAR(JL)) | |
| 120 |
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424026 | ELSEIF(PTSTAR(JL) < ZTX) THEN |
| 121 | 246349 | ZTSTAR(JL)=PTSTAR(JL) | |
| 122 | ELSE | ||
| 123 | !IM ZTSTAR(JL)=0.5_JPRB*(ZTX+PTSTAR(JL)) | ||
| 124 | 177677 | ZTSTAR(JL)=0.5*(ZTX+PTSTAR(JL)) | |
| 125 | ENDIF | ||
| 126 | |||
| 127 | 477120 | ZT0=ZTSTAR(JL)+ZDTDZSG*POROG(JL) | |
| 128 |
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477120 | IF(ZTX > ZTSTAR(JL) .AND. ZT0 > ZTX) THEN |
| 129 | ZT0=ZTX | ||
| 130 |
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468949 | ELSEIF(ZTX <= ZTSTAR(JL) .AND. ZT0 > ZTSTAR(JL)) THEN |
| 131 | ZT0=ZTSTAR(JL) | ||
| 132 | ELSE | ||
| 133 | 402006 | ZT0=PT0(JL) | |
| 134 | ENDIF | ||
| 135 | |||
| 136 | !IM ZOROG=SIGN(MAX(1.0_JPRB,ABS(POROG(JL))),POROG(JL)) | ||
| 137 | 477120 | ZOROG=SIGN(MAX(1.0,ABS(POROG(JL))),POROG(JL)) | |
| 138 | 477600 | ZALPHA(JL)=RD*(ZT0-ZTSTAR(JL))/ZOROG | |
| 139 | ENDDO | ||
| 140 | |||
| 141 | !* 1.2 COMPUTATION OF MSL PRESSURE. | ||
| 142 | |||
| 143 |
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477600 | DO JL=KSTART,KPROF |
| 144 | !IM IF (ABS(POROG(JL)) >= 0.001_JPRB) THEN | ||
| 145 |
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477600 | IF (ABS(POROG(JL)) >= 0.001) THEN |
| 146 | 222720 | ZX=POROG(JL)/(RD*ZTSTAR(JL)) | |
| 147 | 222720 | ZY=ZALPHA(JL)*ZX | |
| 148 | 222720 | ZY2=ZY*ZY | |
| 149 | |||
| 150 | !IM PMSLPPP(JL)=PRPRESS(JL)*EXP(ZX*(1.0_JPRB-0.5_JPRB*ZY+1.0_JPRB/3._JPRB*ZY2)) | ||
| 151 | 222720 | PMSLPPP(JL)=PRPRESS(JL)*EXP(ZX*(1.0-0.5*ZY+1.0/3.*ZY2)) | |
| 152 | ELSE | ||
| 153 | 254400 | PMSLPPP(JL)=PRPRESS(JL) | |
| 154 | ENDIF | ||
| 155 | ENDDO | ||
| 156 | |||
| 157 | |||
| 158 | ! ------------------------------------------------------------------ | ||
| 159 | |||
| 160 | !IM IF (LHOOK) CALL DR_HOOK('PPPMER',1,ZHOOK_HANDLE) | ||
| 161 | 480 | END SUBROUTINE PPPMER | |
| 162 |