[224] | 1 | ! |
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| 2 | ! $Header$ |
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| 3 | ! |
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| 4 | SUBROUTINE geopot (ngrid, teta, pk, pks, phis, phi ) |
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| 5 | IMPLICIT NONE |
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| 6 | |
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| 7 | c======================================================================= |
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| 8 | c |
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| 9 | c Auteur: P. Le Van |
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| 10 | c ------- |
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| 11 | c |
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| 12 | c Objet: |
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| 13 | c ------ |
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| 14 | c |
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| 15 | c ******************************************************************* |
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| 16 | c .... calcul du geopotentiel aux milieux des couches ..... |
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| 17 | c ******************************************************************* |
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| 18 | c |
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| 19 | c .... l'integration se fait de bas en haut .... |
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| 20 | c |
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| 21 | c .. ngrid,teta,pk,pks,phis sont des argum. d'entree pour le s-pg .. |
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| 22 | c phi est un argum. de sortie pour le s-pg . |
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| 23 | c |
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| 24 | c======================================================================= |
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| 25 | c----------------------------------------------------------------------- |
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| 26 | c Declarations: |
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| 27 | c ------------- |
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| 28 | |
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| 29 | !----------------------------------------------------------------------- |
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| 30 | ! INCLUDE 'dimensions.h' |
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| 31 | ! |
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| 32 | ! dimensions.h contient les dimensions du modele |
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| 33 | ! ndm est tel que iim=2**ndm |
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| 34 | !----------------------------------------------------------------------- |
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| 35 | |
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| 36 | INTEGER iim,jjm,llm,ndm |
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| 37 | |
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| 38 | PARAMETER (iim= 128,jjm=96,llm=64,ndm=1) |
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| 39 | |
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| 40 | !----------------------------------------------------------------------- |
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| 41 | ! |
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| 42 | ! $Header$ |
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| 43 | ! |
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| 44 | ! |
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| 45 | ! ATTENTION!!!!: ce fichier include est compatible format fixe/format libre |
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| 46 | ! veillez n'utiliser que des ! pour les commentaires |
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| 47 | ! et bien positionner les & des lignes de continuation |
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| 48 | ! (les placer en colonne 6 et en colonne 73) |
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| 49 | ! |
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| 50 | ! |
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| 51 | !----------------------------------------------------------------------- |
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| 52 | ! INCLUDE 'paramet.h' |
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| 53 | |
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| 54 | INTEGER iip1,iip2,iip3,jjp1,llmp1,llmp2,llmm1 |
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| 55 | INTEGER kftd,ip1jm,ip1jmp1,ip1jmi1,ijp1llm |
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| 56 | INTEGER ijmllm,mvar |
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| 57 | INTEGER jcfil,jcfllm |
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| 58 | |
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| 59 | PARAMETER( iip1= iim+1,iip2=iim+2,iip3=iim+3 & |
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| 60 | & ,jjp1=jjm+1-1/jjm) |
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| 61 | PARAMETER( llmp1 = llm+1, llmp2 = llm+2, llmm1 = llm-1 ) |
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| 62 | PARAMETER( kftd = iim/2 -ndm ) |
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| 63 | PARAMETER( ip1jm = iip1*jjm, ip1jmp1= iip1*jjp1 ) |
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| 64 | PARAMETER( ip1jmi1= ip1jm - iip1 ) |
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| 65 | PARAMETER( ijp1llm= ip1jmp1 * llm, ijmllm= ip1jm * llm ) |
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| 66 | PARAMETER( mvar= ip1jmp1*( 2*llm+1) + ijmllm ) |
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| 67 | PARAMETER( jcfil=jjm/2+5, jcfllm=jcfil*llm ) |
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| 68 | |
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| 69 | !----------------------------------------------------------------------- |
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| 70 | ! |
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| 71 | ! $Id: comvert.h 1654 2012-09-24 15:07:18Z aslmd $ |
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| 72 | ! |
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| 73 | !----------------------------------------------------------------------- |
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| 74 | ! INCLUDE 'comvert.h' |
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| 75 | |
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| 76 | COMMON/comvertr/ap(llm+1),bp(llm+1),presnivs(llm),dpres(llm), & |
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| 77 | & pa,preff,nivsigs(llm),nivsig(llm+1), & |
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| 78 | & aps(llm),bps(llm),scaleheight,pseudoalt(llm) |
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| 79 | |
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| 80 | common/comverti/disvert_type, pressure_exner |
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| 81 | |
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| 82 | real ap ! hybrid pressure contribution at interlayers |
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| 83 | real bp ! hybrid sigma contribution at interlayer |
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| 84 | real presnivs ! (reference) pressure at mid-layers |
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| 85 | real dpres |
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| 86 | real pa ! reference pressure (Pa) at which hybrid coordinates |
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| 87 | ! become purely pressure |
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| 88 | real preff ! reference surface pressure (Pa) |
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| 89 | real nivsigs |
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| 90 | real nivsig |
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| 91 | real aps ! hybrid pressure contribution at mid-layers |
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| 92 | real bps ! hybrid sigma contribution at mid-layers |
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| 93 | real scaleheight ! atmospheric (reference) scale height (km) |
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| 94 | real pseudoalt ! pseudo-altitude of model levels (km), based on presnivs(), |
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| 95 | ! preff and scaleheight |
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| 96 | |
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| 97 | integer disvert_type ! type of vertical discretization: |
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| 98 | ! 1: Earth (default for planet_type==earth), |
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| 99 | ! automatic generation |
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| 100 | ! 2: Planets (default for planet_type!=earth), |
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| 101 | ! using 'z2sig.def' (or 'esasig.def) file |
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| 102 | |
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| 103 | logical pressure_exner |
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| 104 | ! compute pressure inside layers using Exner function, else use mean |
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| 105 | ! of pressure values at interfaces |
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| 106 | |
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| 107 | !----------------------------------------------------------------------- |
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| 108 | |
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| 109 | c Arguments: |
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| 110 | c ---------- |
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| 111 | |
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| 112 | INTEGER ngrid |
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| 113 | REAL teta(ngrid,llm),pks(ngrid),phis(ngrid),pk(ngrid,llm) , |
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| 114 | * phi(ngrid,llm) |
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| 115 | |
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| 116 | |
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| 117 | c Local: |
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| 118 | c ------ |
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| 119 | |
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| 120 | INTEGER l, ij |
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| 121 | |
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| 122 | |
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| 123 | c----------------------------------------------------------------------- |
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| 124 | c calcul de phi au niveau 1 pres du sol ..... |
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| 125 | |
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| 126 | DO 1 ij = 1, ngrid |
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| 127 | phi( ij,1 ) = phis( ij ) + teta(ij,1) * ( pks(ij) - pk(ij,1) ) |
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| 128 | 1 CONTINUE |
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| 129 | |
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| 130 | c calcul de phi aux niveaux superieurs ....... |
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| 131 | |
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| 132 | DO l = 2,llm |
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| 133 | DO ij = 1,ngrid |
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| 134 | phi(ij,l) = phi(ij,l-1) + 0.5 * ( teta(ij,l) + teta(ij,l-1) ) |
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| 135 | * * ( pk(ij,l-1) - pk(ij,l) ) |
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| 136 | ENDDO |
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| 137 | ENDDO |
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| 138 | |
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| 139 | RETURN |
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| 140 | END |
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