| [38] | 1 | SUBROUTINE ORODRAG( klon,klev |
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| 2 | I , KGWD, KGWDIM, KDX, KTEST |
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| 3 | R , PTSPHY |
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| 4 | R , PAPHM1,PAPM1,PGEOM1,PTM1,PUM1 |
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| 5 | R , PVM1, PVAROR, PSIG, PGAMMA, PTHETA |
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| 6 | C OUTPUTS |
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| 7 | R , PULOW,PVLOW |
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| 8 | R , PVOM,PVOL,PTE ) |
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| 9 | C |
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| 10 | C |
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| 11 | C**** *ORODRAG* - DOES THE GRAVITY WAVE PARAMETRIZATION. |
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| 12 | C |
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| 13 | C PURPOSE. |
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| 14 | C -------- |
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| 15 | C |
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| 16 | C THIS ROUTINE COMPUTES THE PHYSICAL TENDENCIES OF THE |
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| 17 | C PROGNOSTIC VARIABLES U,V AND T DUE TO VERTICAL TRANSPORTS BY |
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| 18 | C SUBGRIDSCALE OROGRAPHICALLY EXCITED GRAVITY WAVES |
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| 19 | C |
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| 20 | C EXPLICIT ARGUMENTS : |
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| 21 | C -------------------- |
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| 22 | C |
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| 23 | C INPUT : |
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| 24 | C |
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| 25 | C NLON : NUMBER OF HORIZONTAL GRID POINTS |
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| 26 | C NLEV : NUMBER OF LEVELS |
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| 27 | C KGWD : NUMBER OF POINTS AT WHICH THE SCHEME IS CALLED |
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| 28 | C KGWDIM : NUMBER OF POINTS AT WHICH THE SCHEME IS CALLED |
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| 29 | C KDX(NLON) : POINTS AT WHICH TO CALL THE SCHEME |
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| 30 | C KTEST(NLON) : MAP OF CALLING POINTS |
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| 31 | C PTSPHY : LENGTH OF TIME STEP |
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| 32 | C PAPHM1(NLON,NLEV+1): PRESSURE AT MIDDLE LEVELS |
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| 33 | C PAPM1(NLON,NLEV) : PRESSURE ON MODEL LEVELS |
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| 34 | C PGEOM1(NLON,NLEV) : GEOPOTENTIAL HIEGHT OF MODEL LEVELS |
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| 35 | C PTM1(NLON,NLEV) : TEMPERATURE |
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| 36 | C PUM1(NLON,NLEV) : ZONAL WIND |
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| 37 | C PVM1(NLON,NLEV) : MERIDIONAL WIND |
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| 38 | C PVAROR(NLON) : SUB-GRID SCALE STANDARD DEVIATION |
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| 39 | C PSIG(NLON) : SUB-GRID SCALE SLOPE |
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| 40 | C PGAMMA(NLON) : SUB-GRID SCALE ANISOTROPY |
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| 41 | C PTHETA(NLON) : SUB-GRID SCALE PRINCIPAL AXES ANGLE |
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| 42 | C |
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| 43 | C OUTPUT : |
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| 44 | C |
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| 45 | C PULOW(NLON) : LOW LEVEL ZONAL WIND |
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| 46 | C PVLOW(NLON) : LOW LEVEL MERIDIONAL WIND |
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| 47 | C PVOM(NLON,NLEV) : ZONAL WIND TENDENCY |
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| 48 | C PVOL(NLON,NLEV) : MERIDIONAL WIND TENDENCY |
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| 49 | C PTE(NLON,NLEV) : TEMPERATURE TENDENCY |
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| 50 | C |
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| 51 | C IMPLICIT ARGUMENTS : |
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| 52 | C -------------------- |
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| 53 | C |
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| 54 | C comcstfi.h |
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| 55 | C dimphys.h |
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| 56 | C yoegwd.h |
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| 57 | C |
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| 58 | C METHOD. |
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| 59 | C ------- |
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| 60 | C |
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| 61 | C EXTERNALS. |
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| 62 | C ---------- |
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| 63 | C |
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| 64 | C REFERENCE. |
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| 65 | C ---------- |
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| 66 | C |
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| 67 | C AUTHOR. |
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| 68 | C ------- |
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| 69 | C M.MILLER + B.RITTER E.C.M.W.F. 15/06/86. |
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| 70 | C |
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| 71 | C F.LOTT + M. MILLER E.C.M.W.F. 22/11/94 |
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| 72 | C----------------------------------------------------------------------- |
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| [1047] | 73 | use dimradmars_mod, only: ndlo2 |
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| [1226] | 74 | USE comcstfi_h |
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| [38] | 75 | implicit none |
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| 76 | C |
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| 77 | C |
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| 78 | #include "dimensions.h" |
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| 79 | #include "dimphys.h" |
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| [1047] | 80 | !#include "dimradmars.h" |
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| 81 | integer klon,klev,kidia |
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| 82 | parameter(kidia=1) |
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| 83 | integer, save :: kfdia ! =NDLO2 |
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| [38] | 84 | |
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| 85 | #include "yoegwd.h" |
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| 86 | C----------------------------------------------------------------------- |
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| 87 | C |
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| 88 | C* 0.1 ARGUMENTS |
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| 89 | C --------- |
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| 90 | C |
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| 91 | C |
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| 92 | REAL PTE(NDLO2,klev), |
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| 93 | * PVOL(NDLO2,klev), |
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| 94 | * PVOM(NDLO2,klev), |
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| 95 | * PULOW(NDLO2), |
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| 96 | * PVLOW(NDLO2) |
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| 97 | REAL PUM1(NDLO2,klev), |
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| 98 | * PVM1(NDLO2,klev), |
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| 99 | * PTM1(NDLO2,klev), |
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| 100 | * PVAROR(NDLO2),PSIG(NDLO2),PGAMMA(NDLO2),PTHETA(NDLO2), |
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| 101 | * PGEOM1(NDLO2,klev), |
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| 102 | * PAPM1(NDLO2,klev), |
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| 103 | * PAPHM1(NDLO2,klev+1) |
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| 104 | C |
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| 105 | integer kgwd,kgwdim |
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| 106 | real ptsphy |
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| 107 | INTEGER KDX(NDLO2),KTEST(NDLO2) |
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| 108 | C----------------------------------------------------------------------- |
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| 109 | C |
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| 110 | C* 0.2 LOCAL ARRAYS |
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| 111 | C ------------ |
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| 112 | INTEGER ISECT(NDLO2), |
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| 113 | * ICRIT(NDLO2), |
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| 114 | * IKCRITH(NDLO2), |
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| 115 | * IKenvh(NDLO2), |
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| 116 | * IKNU(NDLO2), |
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| 117 | * IKNU2(NDLO2), |
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| 118 | * IKCRIT(NDLO2), |
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| 119 | * IKHLIM(NDLO2) |
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| 120 | integer ji,jk,jl,klevm1,ilevp1 |
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| 121 | C real gkwake |
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| 122 | real ztmst,pvar,ztauf,zrtmst,zdelp,zb,zc,zbet |
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| 123 | real zconb,zabsv,zzd1,ratio,zust,zvst,zdis,ztemp |
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| 124 | C |
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| 125 | REAL ZTAU(NDLO2,nlayermx+1), |
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| 126 | * ZSTAB(NDLO2,nlayermx+1), |
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| 127 | * ZVPH(NDLO2,nlayermx+1), |
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| 128 | * ZRHO(NDLO2,nlayermx+1), |
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| 129 | * ZRI(NDLO2,nlayermx+1), |
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| 130 | * ZpsI(NDLO2,nlayermx+1), |
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| 131 | * Zzdep(NDLO2,nlayermx) |
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| 132 | REAL ZDUDT(NDLO2), |
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| 133 | * ZDVDT(NDLO2), |
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| 134 | * ZDTDT(NDLO2), |
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| 135 | * ZDEDT(NDLO2), |
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| 136 | * ZVIDIS(NDLO2), |
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| 137 | * ZTFR(NDLO2), |
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| 138 | * Znu(NDLO2), |
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| 139 | * Zd1(NDLO2), |
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| 140 | * Zd2(NDLO2), |
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| 141 | * Zdmod(NDLO2) |
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| 142 | C |
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| 143 | C------------------------------------------------------------------ |
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| 144 | C |
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| 145 | C* 1. INITIALIZATION |
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| 146 | C -------------- |
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| 147 | C |
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| 148 | 100 CONTINUE |
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| 149 | C |
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| 150 | C ------------------------------------------------------------------ |
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| 151 | C |
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| 152 | C* 1.1 COMPUTATIONAL CONSTANTS |
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| 153 | C ----------------------- |
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| 154 | C |
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| 155 | 110 CONTINUE |
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| 156 | C |
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| [1047] | 157 | kfdia=NDLO2 |
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| 158 | |
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| [38] | 159 | c ZTMST=TWODT |
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| 160 | c IF(NSTEP.EQ.NSTART) ZTMST=0.5*TWODT |
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| 161 | KLEVM1=KLEV-1 |
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| 162 | ZTMST=PTSPHY |
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| 163 | ZRTMST=1./ZTMST |
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| 164 | C ------------------------------------------------------------------ |
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| 165 | C |
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| 166 | 120 CONTINUE |
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| 167 | C |
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| 168 | C ------------------------------------------------------------------ |
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| 169 | C |
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| 170 | C* 1.3 CHECK WHETHER ROW CONTAINS POINT FOR PRINTING |
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| 171 | C --------------------------------------------- |
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| 172 | C |
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| 173 | 130 CONTINUE |
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| 174 | C |
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| 175 | C ------------------------------------------------------------------ |
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| 176 | C |
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| 177 | C* 2. PRECOMPUTE BASIC STATE VARIABLES. |
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| 178 | C* ---------- ----- ----- ---------- |
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| 179 | C* DEFINE LOW LEVEL WIND, PROJECT WINDS IN PLANE OF |
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| 180 | C* LOW LEVEL WIND, DETERMINE SECTOR IN WHICH TO TAKE |
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| 181 | C* THE VARIANCE AND SET INDICATOR FOR CRITICAL LEVELS. |
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| 182 | C |
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| 183 | 200 CONTINUE |
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| 184 | C |
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| 185 | C |
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| 186 | C |
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| 187 | CALL OROSETUP |
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| 188 | * ( klon, klev , KTEST |
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| 189 | * , IKCRIT, IKCRITH, ICRIT, ISECT, IKHLIM, ikenvh,IKNU,iknu2 |
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| 190 | * , PAPHM1, PAPM1 , PUM1 , PVM1 , PTM1 , PGEOM1, pvaror |
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| 191 | * , ZRHO , ZRI , ZSTAB , ZTAU , ZVPH , zpsi, zzdep |
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| 192 | * , PULOW, PVLOW |
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| 193 | * , ptheta,pgamma,znu ,zd1, zd2, zdmod ) |
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| 194 | C |
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| 195 | C |
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| 196 | C |
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| 197 | C*********************************************************** |
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| 198 | C |
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| 199 | C |
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| 200 | C* 3. COMPUTE LOW LEVEL STRESSES USING SUBCRITICAL AND |
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| 201 | C* SUPERCRITICAL FORMS.COMPUTES ANISOTROPY COEFFICIENT |
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| 202 | C* AS MEASURE OF OROGRAPHIC TWODIMENSIONALITY. |
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| 203 | C |
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| 204 | 300 CONTINUE |
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| 205 | C |
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| 206 | CALL GWSTRESS |
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| 207 | * ( klon , klev |
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| 208 | * , IKCRIT, ISECT, IKHLIM, KTEST, IKCRITH, ICRIT, ikenvh, IKNU |
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| 209 | * , ZRHO , ZSTAB, ZVPH , PVAR , pvaror, psig |
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| 210 | * , ZTFR , ZTAU |
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| 211 | * , pgeom1,pgamma,zd1,zd2,zdmod,znu) |
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| 212 | C |
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| 213 | C* 4. COMPUTE STRESS PROFILE. |
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| 214 | C* ------- ------ -------- |
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| 215 | C |
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| 216 | 400 CONTINUE |
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| 217 | C |
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| 218 | C |
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| 219 | CALL GWPROFIL |
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| 220 | * ( klon , klev |
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| 221 | * , kgwd , kdx , KTEST |
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| 222 | * , IKCRIT, IKCRITH, ICRIT , ikenvh, IKNU |
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| 223 | * ,iknu2 , pAPHM1, ZRHO , ZSTAB , ZTFR , ZVPH |
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| 224 | * , ZRI , ZTAU , ztauf |
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| 225 | * , zdmod , znu , psig , pgamma , pvaror ) |
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| 226 | C |
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| 227 | C |
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| 228 | C* 5. COMPUTE TENDENCIES. |
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| 229 | C* ------------------- |
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| 230 | C |
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| 231 | 500 CONTINUE |
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| 232 | C |
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| 233 | C EXPLICIT SOLUTION AT ALL LEVELS FOR THE GRAVITY WAVE |
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| 234 | C IMPLICIT SOLUTION FOR THE BLOCKED LEVELS |
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| 235 | |
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| 236 | DO 510 JL=KIDIA,KFDIA |
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| 237 | ZVIDIS(JL)=0.0 |
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| 238 | ZDUDT(JL)=0.0 |
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| 239 | ZDVDT(JL)=0.0 |
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| 240 | ZDTDT(JL)=0.0 |
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| 241 | 510 CONTINUE |
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| 242 | C |
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| 243 | ILEVP1=KLEV+1 |
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| 244 | C |
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| 245 | C |
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| 246 | DO 524 JK=1,klev |
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| 247 | C |
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| 248 | CDIR$ IVDEP |
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| 249 | C |
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| 250 | C GKWAKE=0.5 |
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| 251 | C |
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| 252 | C NOW SET IN SUGWD.F |
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| 253 | C |
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| 254 | DO 523 JL=1,KGWD |
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| 255 | JI=KDX(JL) |
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| 256 | ZDELP=pAPHM1(Ji,JK+1)-pAPHM1(Ji,JK) |
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| 257 | ZTEMP=-g*(ZTAU(Ji,JK+1)-ZTAU(Ji,JK))/(ZVPH(Ji,ILEVP1)*ZDELP) |
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| 258 | ZDUDT(JI)=(PULOW(JI)*Zd1(ji)-pvlow(ji)*zd2(ji))*ztemp/zdmod(ji) |
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| 259 | ZDVDT(JI)=(pvLOW(JI)*Zd1(ji)+pulow(ji)*zd2(ji))*ztemp/zdmod(ji) |
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| 260 | if(jk.ge.ikenvh(ji)) then |
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| 261 | zb=1.0-0.18*pgamma(ji)-0.04*pgamma(ji)**2 |
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| 262 | zc=0.48*pgamma(ji)+0.3*pgamma(ji)**2 |
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| 263 | zconb=2.*ztmst*GKWAKE*psig(ji)/(4.*pvaror(ji)) |
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| 264 | zabsv=sqrt(PUM1(JI,JK)**2+PVM1(JI,JK)**2)/2. |
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| 265 | zzd1=zb*cos(zpsi(ji,jk))**2+zc*sin(zpsi(ji,jk))**2 |
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| 266 | ratio=(cos(zpsi(ji,jk))**2+pgamma(ji)*sin(zpsi(ji,jk))**2)/ |
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| 267 | * (pgamma(ji)*cos(zpsi(ji,jk))**2+sin(zpsi(ji,jk))**2) |
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| 268 | zbet=max(0.,2.-1./ratio)*zconb*zzdep(ji,jk)*zzd1*zabsv |
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| 269 | zdudt(ji)=-pum1(ji,jk)/ztmst |
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| 270 | zdvdt(ji)=-pvm1(ji,jk)/ztmst |
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| 271 | zdudt(ji)=zdudt(ji)*(zbet/(1.+zbet)) |
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| 272 | zdvdt(ji)=zdvdt(ji)*(zbet/(1.+zbet)) |
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| 273 | end if |
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| 274 | PVOM(JI,JK)=ZDUDT(JI) |
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| 275 | PVOL(JI,JK)=ZDVDT(JI) |
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| 276 | ZUST=PUM1(JI,JK)+ZTMST*ZDUDT(JI) |
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| 277 | ZVST=PVM1(JI,JK)+ZTMST*ZDVDT(JI) |
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| 278 | ZDIS=0.5*(PUM1(JI,JK)**2+PVM1(JI,JK)**2-ZUST**2-ZVST**2) |
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| 279 | ZDEDT(JI)=ZDIS/ZTMST |
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| 280 | ZVIDIS(JI)=ZVIDIS(JI)+ZDIS*ZDELP |
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| 281 | ZDTDT(JI)=ZDEDT(JI)/cpp |
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| 282 | PTE(JI,JK)=ZDTDT(JI) |
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| 283 | |
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| 284 | 523 CONTINUE |
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| 285 | |
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| 286 | 524 CONTINUE |
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| 287 | C |
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| 288 | C |
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| 289 | RETURN |
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| 290 | END |
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