| 1 | ! |
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| 2 | ! $Header: /home/cvsroot/LMDZ4/libf/phylmd/geo2atm.F90,v 1.1 2008-12-05 17:56:40 lsce Exp $ |
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| 3 | ! |
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| 4 | SUBROUTINE geo2atm(im, jm, px, py, pz, plon, plat, pu, pv, pr) |
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| 5 | USE dimphy |
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| 6 | USE mod_phys_lmdz_para |
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| 7 | |
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| 8 | IMPLICIT NONE |
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| 9 | include 'dimensions.h' |
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| 10 | |
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| 11 | ! Change wind corrdinates from cartesian geocentric to local spherical |
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| 12 | ! NB! Fonctionne probablement uniquement en MPI seul (sans OpenMP) |
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| 13 | ! |
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| 14 | INTEGER, INTENT (IN) :: im, jm |
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| 15 | REAL, DIMENSION (im,jm), INTENT(IN) :: px, py, pz |
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| 16 | REAL, DIMENSION (im,jm), INTENT(IN) :: plon, plat |
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| 17 | REAL, DIMENSION (im,jm), INTENT(OUT) :: pu, pv, pr |
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| 18 | |
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| 19 | REAL, PARAMETER :: rpi = 3.141592653E0 |
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| 20 | REAL, PARAMETER :: rad = rpi / 180.0E0 |
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| 21 | |
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| 22 | REAL, DIMENSION (im,jm) :: zsinlon, zcoslon |
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| 23 | REAL, DIMENSION (im,jm) :: zsinlat, zcoslat |
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| 24 | |
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| 25 | zsinlon = SIN (rad * plon) |
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| 26 | zcoslon = COS (rad * plon) |
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| 27 | zsinlat = SIN (rad * plat) |
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| 28 | zcoslat = COS (rad * plat) |
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| 29 | |
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| 30 | pu = - px * zsinlon + py * zcoslon |
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| 31 | pv = - px * zsinlat*zcoslon - py * zsinlat*zsinlon + pz * zcoslat |
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| 32 | pr = px * zcoslat*zcoslon + py * zcoslat*zsinlon + pz * zsinlat |
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| 33 | |
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| 34 | ! Value at North Pole |
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| 35 | IF (is_north_pole) THEN |
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| 36 | pu(:,1) = - py(1,1) |
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| 37 | pv(:,1) = - px(1,1) |
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| 38 | pr(:,1) = 0. |
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| 39 | ENDIF |
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| 40 | |
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| 41 | ! Value at South Pole |
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| 42 | IF (is_south_pole) THEN |
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| 43 | pu(:,jm) = py(1,jm) |
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| 44 | pv(:,jm) = px(1,jm) |
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| 45 | pr(:,jm) = 0. |
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| 46 | ENDIF |
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| 47 | |
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| 48 | END SUBROUTINE geo2atm |
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