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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