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Last change
on this file since 5208 was
5159,
checked in by abarral, 3 months ago
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Put dimensions.h and paramet.h into modules
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Property copyright set to
Name of program: LMDZ
Creation date: 1984
Version: LMDZ5
License: CeCILL version 2
Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
See the license file in the root directory
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Property svn:eol-style set to
native
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Property svn:keywords set to
Author Date Id Revision
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File size:
1.0 KB
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| 1 | |
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| 2 | ! $Header$ |
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| 3 | |
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| 4 | SUBROUTINE nxgradst(klevel,rot, x, y ) |
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| 5 | |
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| 6 | USE lmdz_comgeom |
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| 7 | |
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| 8 | USE lmdz_dimensions, ONLY: iim, jjm, llm, ndm |
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| 9 | USE lmdz_paramet |
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| 10 | IMPLICIT NONE |
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| 11 | ! Auteur : P. Le Van |
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| 12 | |
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| 13 | ! ******************************************************************** |
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| 14 | ! calcul du gradient tourne de pi/2 du rotationnel du vect.v |
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| 15 | ! ******************************************************************** |
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| 16 | ! rot est un argument d'entree pour le s-prog |
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| 17 | ! x et y sont des arguments de sortie pour le s-prog |
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| 18 | ! |
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| 19 | |
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| 20 | |
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| 21 | |
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| 22 | INTEGER :: klevel |
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| 23 | REAL :: rot( ip1jm,klevel ),x( ip1jmp1,klevel ),y(ip1jm,klevel ) |
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| 24 | INTEGER :: l,ij |
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| 25 | |
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| 26 | DO l = 1,klevel |
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| 27 | |
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| 28 | DO ij = 2, ip1jm |
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| 29 | y(ij,l)=( rot(ij,l) - rot(ij-1,l)) |
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| 30 | END DO |
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| 31 | |
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| 32 | ! ..... correction pour y ( 1,j,l ) ...... |
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| 33 | |
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| 34 | ! .... y(1,j,l)= y(iip1,j,l) .... |
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| 35 | |
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| 36 | DO ij = 1, ip1jm, iip1 |
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| 37 | y( ij,l ) = y( ij +iim,l ) |
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| 38 | END DO |
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| 39 | |
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| 40 | DO ij = iip2,ip1jm |
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| 41 | x(ij,l)= rot(ij,l)-rot(ij-iip1,l) |
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| 42 | END DO |
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| 43 | DO ij = 1,iip1 |
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| 44 | x( ij ,l ) = 0. |
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| 45 | x( ij +ip1jm,l ) = 0. |
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| 46 | END DO |
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| 47 | |
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| 48 | END DO |
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| 49 | RETURN |
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| 50 | END SUBROUTINE nxgradst |
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