/[lmdze]/trunk/libf/dyn3d/geopot.f90
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Contents of /trunk/libf/dyn3d/geopot.f90

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Revision 3 - (show annotations)
Wed Feb 27 13:16:39 2008 UTC (16 years, 2 months ago) by guez
File size: 966 byte(s)
Initial import
1 SUBROUTINE geopot(ngrid,teta,pk,pks,phis,phi)
2
3 ! From libf/dyn3d/geopot.F,v 1.1.1.1 2004/05/19
4
5 USE dimens_m
6 USE paramet_m
7
8 IMPLICIT NONE
9
10 ! Auteur: P. Le Van
11
12 ! Objet:
13 ! calcul du geopotentiel aux milieux des couches
14 ! l'integration se fait de bas en haut
15
16 ! Arguments:
17 INTEGER, INTENT (IN):: ngrid
18 REAL, INTENT (IN):: teta(ngrid,llm), pks(ngrid)
19 REAL, INTENT (IN) :: phis(ngrid)
20 REAL, INTENT (IN) :: pk(ngrid,llm)
21 REAL, INTENT (out):: phi(ngrid,llm)
22
23 ! Local:
24 INTEGER l, ij
25
26 ! -----------------------------------------------------------------------
27
28 ! calcul de phi au niveau 1 pres du sol .....
29 DO ij = 1, ngrid
30 phi(ij,1) = phis(ij) + teta(ij,1)*(pks(ij)-pk(ij,1))
31 end DO
32
33 ! calcul de phi aux niveaux superieurs .......
34 DO l = 2, llm
35 DO ij = 1, ngrid
36 phi(ij,l) = phi(ij,l-1) + 0.5 * (teta(ij,l) + teta(ij,l-1)) &
37 * (pk(ij,l-1) - pk(ij,l))
38 END DO
39 END DO
40
41 END SUBROUTINE geopot

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