[3331] | 1 | SUBROUTINE GPXYB(KPROMA,KSTART,KPROF,KFLEV,PVDELB,PVC,& |
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| 2 | & PRES,PDELP,PRDELP,PLNPR,PALPH,PRTGR,& |
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| 3 | & PRPRES,PRPP) |
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| 4 | |
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| 5 | !**** *GPXYB* - Computes auxillary arrays |
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| 6 | |
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| 7 | ! Purpose. |
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| 8 | ! -------- |
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| 9 | ! COMPUTES AUXILLARY ARRAYS RELATED TO THE HYBRID COORDINATE |
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| 10 | |
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| 11 | !** Interface. |
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| 12 | ! ---------- |
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| 13 | ! *CALL* *GPXYB(..) |
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| 14 | |
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| 15 | ! Explicit arguments : |
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| 16 | ! -------------------- |
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| 17 | ! KPROMA : dimensioning |
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| 18 | ! KSTART : start of work |
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| 19 | ! KPROF : depth of work |
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| 20 | ! KFLEV : vert. dimensioning |
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| 21 | |
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| 22 | ! PVDELB(KPROMA,0:KFLEV) : related to vert. coordinate (input) |
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| 23 | ! PVC (KPROMA,0:KFLEV) : " " " " " (input) |
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| 24 | ! PRES (KPROMA,0:KFLEV) : HALF LEVEL PRESSURE (input) |
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| 25 | ! PDELP (KPROMA,KFLEV) : PRESSURE DIFFERENCE ACROSS LAYERS (output) |
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| 26 | ! PRDELP(KPROMA,KFLEV) : THEIR INVERSE (output) |
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| 27 | ! PLNPR (KPROMA,KFLEV) : LOGARITHM OF RATIO OF PRESSURE (output) |
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| 28 | ! PALPH (KPROMA,KFLEV) : COEFFICIENTS OF THE HYDROSTATICS (output) |
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| 29 | ! PRTGR (KPROMA,KFLEV) : FOR PRES. GRAD. TERM AND ENE. CONV.(output) |
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| 30 | ! ((rssavnabla prehyd/prehyd)_[layer] |
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| 31 | ! = prtgr_[layer] * (rssavnabla prehyds)) |
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| 32 | ! PRPRES(KPROMA,KFLEV) : inverse of HALF LEVEL PRESSURE (output) |
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| 33 | ! PRPP (KPROMA,KFLEV) : inverse of PRES(J)*PRES(J-1) (output) |
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| 34 | |
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| 35 | ! Implicit arguments : None. |
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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 : 88-02-04 |
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| 56 | ! Modified : 94-10-11 by Radmila Bubnova: correction in the case |
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| 57 | ! of the other approximation of d (ln p). |
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| 58 | ! Modified : 99-06-04 Optimisation D.SALMOND |
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| 59 | ! Modified : 02-03-08 K. YESSAD: consistent discretisations of |
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| 60 | ! "alpha" (PALPH) and "prtgr" (PRTGR) |
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| 61 | ! for finite element vertical discretisation |
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| 62 | ! to allow model to run with MF-physics and DDH. |
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| 63 | ! Modified : 03-07-07 J. Hague: Replace divides with reciprocal |
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| 64 | ! M.Hamrud 01-Oct-2003 CY28 Cleaning |
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| 65 | ! Modified : 15-Feb-2005 by K. YESSAD: ZTOPPRES becomes TOPPRES |
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| 66 | ! ------------------------------------------------------------------ |
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| 67 | |
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| 68 | USE PARKIND1 ,ONLY : JPIM ,JPRB |
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| 69 | USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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| 70 | |
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| 71 | USE YOMDYN , ONLY : NDLNPR ,RHYDR0 |
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| 72 | USE YOMCST , ONLY : RD ,RCVD |
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| 73 | USE YOMGEM , ONLY : VDELA ,VAF ,VBF ,TOPPRES |
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| 74 | USE YOMCVER , ONLY : LVERTFE |
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| 75 | |
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| 76 | ! ------------------------------------------------------------------ |
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| 77 | |
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| 78 | IMPLICIT NONE |
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| 79 | |
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| 80 | INTEGER(KIND=JPIM),INTENT(IN) :: KPROMA |
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| 81 | INTEGER(KIND=JPIM),INTENT(IN) :: KFLEV |
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| 82 | INTEGER(KIND=JPIM),INTENT(IN) :: KSTART |
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| 83 | INTEGER(KIND=JPIM),INTENT(IN) :: KPROF |
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| 84 | REAL(KIND=JPRB) ,INTENT(IN) :: PVDELB(KFLEV) |
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| 85 | REAL(KIND=JPRB) ,INTENT(IN) :: PVC(KFLEV) |
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| 86 | REAL(KIND=JPRB) ,INTENT(IN) :: PRES(KPROMA,0:KFLEV) |
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| 87 | REAL(KIND=JPRB) ,INTENT(INOUT) :: PDELP(KPROMA,KFLEV) |
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| 88 | REAL(KIND=JPRB) ,INTENT(INOUT) :: PRDELP(KPROMA,KFLEV) |
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| 89 | REAL(KIND=JPRB) ,INTENT(INOUT) :: PLNPR(KPROMA,KFLEV) |
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| 90 | REAL(KIND=JPRB) ,INTENT(OUT) :: PALPH(KPROMA,KFLEV) |
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| 91 | REAL(KIND=JPRB) ,INTENT(OUT) :: PRTGR(KPROMA,KFLEV) |
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| 92 | REAL(KIND=JPRB) ,INTENT(OUT) :: PRPRES(KPROMA,KFLEV) |
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| 93 | REAL(KIND=JPRB) ,INTENT(INOUT) :: PRPP(KPROMA,KFLEV) |
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| 94 | |
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| 95 | ! ------------------------------------------------------------------ |
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| 96 | |
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| 97 | INTEGER(KIND=JPIM) :: IFIRST, JLEV, JLON, JJ, JTEMP, JM |
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| 98 | |
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| 99 | REAL(KIND=JPRB) :: ZPRESF |
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| 100 | REAL(KIND=JPRB) :: ZRPRES(KPROMA,2) |
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| 101 | REAL(KIND=JPRB) :: ZPRESFD |
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| 102 | REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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| 103 | |
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| 104 | ! ------------------------------------------------------------------ |
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| 105 | |
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| 106 | #include "abor1.intfb.h" |
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| 107 | |
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| 108 | ! ------------------------------------------------------------------ |
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| 109 | |
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| 110 | IF (LHOOK) CALL DR_HOOK('GPXYB',0,ZHOOK_HANDLE) |
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| 111 | |
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| 112 | ! ------------------------------------------------------------------ |
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| 113 | |
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| 114 | !* 0. Level to begin normal computations |
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| 115 | ! ---------------------------------- |
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| 116 | |
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| 117 | ! This is introduced to allow the use of GPXYB without the implicit |
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| 118 | ! assumption that the top level input for pressure is 0 hPa. This |
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| 119 | ! is used in the surface observation operators where you do not want |
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| 120 | ! to compute geopotential at all model levels. |
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| 121 | ! The first block if is for economy (no do loop start up) and the second |
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| 122 | ! for safety. |
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| 123 | !print *,'GPXYB: NDLNPR RHYDR0=',NDLNPR,RHYDR0 |
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| 124 | TOPPRES=0.1 !!!!! A REVOIR (MPL) 29042010 passe de 0 a 0.1 comme ARPEGE |
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| 125 | IF(PRES(KSTART,0) <= TOPPRES)THEN |
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| 126 | IFIRST=2 |
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| 127 | ELSE |
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| 128 | IFIRST=1 |
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| 129 | DO JLON=KSTART,KPROF |
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| 130 | IF(PRES(JLON,0) <= TOPPRES)then |
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| 131 | IFIRST=2 |
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| 132 | EXIT |
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| 133 | ENDIF |
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| 134 | ENDDO |
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| 135 | ENDIF |
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| 136 | ! ------------------------------------------------------------------ |
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| 137 | |
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| 138 | !* 1. COMPUTES EVERYTHING. |
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| 139 | ! -------------------- |
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| 140 | |
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| 141 | !print *,'NDLNPR LVERTFE',NDLNPR,LVERTFE |
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| 142 | IF(NDLNPR == 0) THEN |
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| 143 | |
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| 144 | IF(LVERTFE) THEN |
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| 145 | DO JLEV=1,KFLEV |
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| 146 | DO JLON=KSTART,KPROF |
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| 147 | PDELP(JLON,JLEV)=VDELA(JLEV) + PVDELB(JLEV)*PRES(JLON,KFLEV) |
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| 148 | PRDELP(JLON,JLEV)=1.0_JPRB/PDELP(JLON,JLEV) |
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| 149 | ZPRESF =VAF(JLEV) + VBF(JLEV)*PRES(JLON,KFLEV) |
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| 150 | ZPRESFD=1.0_JPRB/ZPRESF |
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| 151 | PLNPR(JLON,JLEV)=PDELP(JLON,JLEV)*ZPRESFD |
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| 152 | ! * PRTGR needed for DDH and option LVERCOR=T. |
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| 153 | ! for finite element vertical discretisation, |
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| 154 | ! "prtgr_[layer]" is simply B_[layer]/prehyd_[layer] |
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| 155 | PRTGR (JLON,JLEV)=VBF(JLEV)*ZPRESFD |
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| 156 | ! * PALPH needed for MF physics: |
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| 157 | PALPH(JLON,JLEV)=(PRES(JLON,JLEV)-ZPRESF)*ZPRESFD |
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| 158 | ENDDO |
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| 159 | ENDDO |
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| 160 | ELSE |
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| 161 | JJ=1 |
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| 162 | JM=2 |
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| 163 | DO JLON=KSTART,KPROF |
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| 164 | ZRPRES(JLON,JM)=1.0_JPRB/PRES(JLON,IFIRST-1) |
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| 165 | ENDDO |
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| 166 | DO JLEV=IFIRST,KFLEV |
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| 167 | DO JLON=KSTART,KPROF |
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| 168 | ZRPRES(JLON,JJ)=1.0_JPRB/PRES(JLON,JLEV) |
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| 169 | PDELP (JLON,JLEV)=PRES(JLON,JLEV)-PRES(JLON,JLEV-1) |
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| 170 | PRDELP(JLON,JLEV)=1.0_JPRB/PDELP(JLON,JLEV) |
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| 171 | PLNPR (JLON,JLEV)=LOG(PRES(JLON,JLEV)*ZRPRES(JLON,JM)) |
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| 172 | PRPRES(JLON,JLEV)=ZRPRES(JLON,JJ) |
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| 173 | PALPH (JLON,JLEV)=1.0_JPRB-PRES(JLON,JLEV-1)*PRDELP(JLON,JLEV)& |
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| 174 | & *PLNPR(JLON,JLEV) |
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| 175 | PRPP (JLON,JLEV)=ZRPRES(JLON,JJ)*ZRPRES(JLON,JM) |
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| 176 | PRTGR (JLON,JLEV)=PRDELP(JLON,JLEV)& |
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| 177 | & *(PVDELB(JLEV)+PVC(JLEV)*PLNPR(JLON,JLEV)*PRDELP(JLON,& |
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| 178 | & JLEV)) |
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| 179 | ! print *,'GPXYB JLEV JLON JJ PRES ZPRES PDELP ', JLEV,JLON,JJ,PRES(JLON,JLEV),ZRPRES(JLON,JJ),PDELP(JLON,JLEV) |
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| 180 | ! print *,'GPXYB JLEV JLON JM PRDELP PLNPR ', JLEV,JLON,JM,PRDELP(JLON,JLEV),PLNPR (JLON,JLEV) |
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| 181 | ! print *,'GPXYB JLEV JLON JJ PRPRES PALPH ', JLEV,JLON,JJ,PRPRES(JLON,JLEV),PALPH (JLON,JLEV) |
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| 182 | ! print *,'GPXYB JLEV JLON PRPP PRTGR PVDELB PVC ', JLEV,JLON,PRPP (JLON,JLEV),PRTGR (JLON,JLEV),PVDELB(JLEV),PVC(JLEV) |
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| 183 | ENDDO |
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| 184 | JTEMP=JM |
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| 185 | JM=JJ |
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| 186 | JJ=JTEMP |
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| 187 | ENDDO |
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| 188 | DO JLEV=1,IFIRST-1 |
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| 189 | DO JLON=KSTART,KPROF |
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| 190 | PDELP (JLON,JLEV)=PRES(JLON,JLEV)-PRES(JLON,JLEV-1) |
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| 191 | PRDELP(JLON,JLEV)=1.0_JPRB/PDELP(JLON,JLEV) |
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| 192 | PLNPR (JLON,JLEV)=LOG(PRES(JLON,1)/TOPPRES) |
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| 193 | PRPRES(JLON,JLEV)=1.0_JPRB/PRES(JLON,1) |
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| 194 | PALPH (JLON,JLEV)=RHYDR0 |
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| 195 | PRPP (JLON,JLEV)=1.0_JPRB/(PRES(JLON,1)*TOPPRES) |
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| 196 | PRTGR (JLON,JLEV)=PRDELP(JLON,JLEV)*PVDELB(JLEV) |
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| 197 | ENDDO |
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| 198 | ENDDO |
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| 199 | ENDIF |
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| 200 | |
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| 201 | ELSEIF(NDLNPR == 1) THEN |
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| 202 | IF(LVERTFE) THEN |
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| 203 | CALL ABOR1(' LVERTFE=.T. NOT COMPATIBLE WITH NDLNPR == 1') |
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| 204 | ENDIF |
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| 205 | |
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| 206 | DO JLEV=IFIRST,KFLEV |
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| 207 | DO JLON=KSTART,KPROF |
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| 208 | PDELP (JLON,JLEV)=PRES(JLON,JLEV)-PRES(JLON,JLEV-1) |
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| 209 | PRDELP(JLON,JLEV)=1.0_JPRB/PDELP(JLON,JLEV) |
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| 210 | PRPP (JLON,JLEV)=1.0_JPRB/(PRES(JLON,JLEV)*PRES(JLON,JLEV-1)) |
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| 211 | PLNPR (JLON,JLEV)=PDELP(JLON,JLEV)*SQRT(PRPP(JLON,JLEV)) |
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| 212 | PALPH (JLON,JLEV)=1.0_JPRB-PRES(JLON,JLEV-1)*PRDELP(JLON,JLEV)& |
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| 213 | & *PLNPR(JLON,JLEV) |
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| 214 | PRTGR (JLON,JLEV)=PRDELP(JLON,JLEV)& |
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| 215 | & *(PVDELB(JLEV)+PVC(JLEV)*PLNPR(JLON,JLEV)*PRDELP(JLON,& |
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| 216 | & JLEV)) |
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| 217 | PRPRES(JLON,JLEV)=1.0_JPRB/PRES(JLON,JLEV) |
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| 218 | ENDDO |
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| 219 | ENDDO |
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| 220 | |
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| 221 | DO JLEV=1,IFIRST-1 |
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| 222 | DO JLON=KSTART,KPROF |
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| 223 | PDELP (JLON,JLEV)=PRES(JLON,JLEV) |
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| 224 | PRDELP(JLON,JLEV)=1.0_JPRB/PDELP(JLON,JLEV) |
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| 225 | PLNPR (JLON,JLEV)=2.0_JPRB+RCVD/RD |
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| 226 | PALPH (JLON,JLEV)=1.0_JPRB |
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| 227 | PRTGR (JLON,JLEV)=PRDELP(JLON,JLEV)*PVDELB(JLEV) |
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| 228 | PRPRES(JLON,JLEV)=1.0_JPRB/PRES(JLON,1) |
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| 229 | PRPP (JLON,JLEV)=(PLNPR(JLON,JLEV)*PRDELP(JLON,JLEV))**2 |
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| 230 | ENDDO |
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| 231 | ENDDO |
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| 232 | |
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| 233 | ENDIF |
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| 234 | |
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| 235 | ! (PLNPR(JLON,1) AND PRPP(JLON,1) ARE A PRIORI NOT USED LATER) |
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| 236 | |
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| 237 | ! ------------------------------------------------------------------ |
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| 238 | |
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| 239 | IF (LHOOK) CALL DR_HOOK('GPXYB',1,ZHOOK_HANDLE) |
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| 240 | END SUBROUTINE GPXYB |
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