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module comgeom |
module comgeom |
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use dimens_m, only: iim, jjm |
use dimensions, only: iim, jjm |
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implicit none |
implicit none |
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real fext((iim + 1) * jjm), constang((iim + 1) * (jjm + 1)) |
real fext((iim + 1) * jjm), constang((iim + 1) * (jjm + 1)) |
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equivalence (fext, fext_2d), (constang, constang_2d) |
equivalence (fext, fext_2d), (constang, constang_2d) |
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real rlatu(jjm + 1) |
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! (latitudes of points of the "scalar" and "u" grid, in rad) |
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real rlatv(jjm) |
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! (latitudes of points of the "v" grid, in rad, in decreasing order) |
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real rlonu(iim + 1) ! longitudes of points of the "u" grid, in rad |
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real rlonv(iim + 1) |
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! (longitudes of points of the "scalar" and "v" grid, in rad) |
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real cuvsurcv_2d(iim + 1, jjm), cvsurcuv_2d(iim + 1, jjm) ! no dimension |
real cuvsurcv_2d(iim + 1, jjm), cvsurcuv_2d(iim + 1, jjm) ! no dimension |
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real cuvsurcv((iim + 1) * jjm), cvsurcuv((iim + 1) * jjm) ! no dimension |
real cuvsurcv((iim + 1) * jjm), cvsurcuv((iim + 1) * jjm) ! no dimension |
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equivalence (cuvsurcv, cuvsurcv_2d), (cvsurcuv, cvsurcuv_2d) |
equivalence (cuvsurcv, cuvsurcv_2d), (cvsurcuv, cvsurcuv_2d) |
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real unsairz_gam((iim + 1) * jjm) |
real unsairz_gam((iim + 1) * jjm) |
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equivalence (unsairz_gam, unsairz_gam_2d) |
equivalence (unsairz_gam, unsairz_gam_2d) |
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real xprimu(iim + 1), xprimv(iim + 1) |
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save |
save |
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contains |
contains |
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! Calcul des élongations cuij1, ..., cuij4, cvij1, ..., cvij4 aux mêmes |
! Calcul des élongations cuij1, ..., cuij4, cvij1, ..., cvij4 aux mêmes |
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! endroits que les aires aireij1_2d, ..., aireij4_2d. |
! endroits que les aires aireij1_2d, ..., aireij4_2d. |
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! Choix entre une fonction "f(y)" à dérivée sinusoïdale ou à |
! Calcul des coefficients cu_2d, cv_2d, 1. / cu_2d**2, 1. / |
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! dérivée tangente hyperbolique. Calcul des coefficients cu_2d, |
! cv_2d**2. Les coefficients cu_2d et cv_2d permettent de passer |
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! cv_2d, 1. / cu_2d**2, 1. / cv_2d**2. Les coefficients cu_2d et cv_2d |
! des vitesses naturelles aux vitesses covariantes et |
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! permettent de passer des vitesses naturelles aux vitesses |
! contravariantes, ou vice-versa. |
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! covariantes et contravariantes, ou vice-versa. |
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! On a : |
! On a : |
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! u(covariant) = cu_2d * u(naturel), u(contravariant) = u(naturel) / cu_2d |
! u(covariant) = cu_2d * u(naturel), u(contravariant) = u(naturel) / cu_2d |
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! u(covariant) = cu_2d * cu_2d * u(contravariant) |
! u(covariant) = cu_2d * cu_2d * u(contravariant) |
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! v(covariant) = cv_2d * cv_2d * v(contravariant) |
! v(covariant) = cv_2d * cv_2d * v(contravariant) |
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! On a l'application (x(X), y(Y)) avec - im / 2 + 1 <= X <= im / 2 |
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! et - jm / 2 <= Y <= jm / 2 |
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! x est la longitude du point en radians. |
! x est la longitude du point en radians. |
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! y est la latitude du point en radians. |
! y est la latitude du point en radians. |
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! |
! |
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! dépendant de j uniquement, sera ici indicé aussi en i pour un |
! dépendant de j uniquement, sera ici indicé aussi en i pour un |
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! adressage plus facile en ij. |
! adressage plus facile en ij. |
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! xprimu et xprimv sont respectivement les valeurs de dx / dX aux |
! cv_2d est aux points v. cu_2d est aux points u. Cf. "inigeom.txt". |
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! points u et v. yprimu et yprimv sont respectivement les valeurs |
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! de dy / dY aux points u et v. rlatu et rlatv sont respectivement |
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! les valeurs de la latitude aux points u et v. cvu et cv_2d sont |
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! respectivement les valeurs de cv_2d aux points u et v. |
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! cu_2d, cuv, cuscal, cuz sont respectivement les valeurs de cu_2d |
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! aux points u, v, scalaires, et z. Cf. "inigeom.txt". |
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USE comconst, ONLY : g, omeg, rad |
USE comconst, ONLY : g, omeg, rad |
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USE comdissnew, ONLY : coefdis, nitergdiv, nitergrot, niterh |
USE comdissnew, ONLY : coefdis, nitergdiv, nitergrot, niterh |
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use fxhyp_m, only: fxhyp |
use dynetat0_m, only: xprimp025, xprimm025, rlatu1, rlatu2, rlatu, rlatv, & |
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use fyhyp_m, only: fyhyp |
yprimu1, yprimu2 |
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use jumble, only: new_unit |
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use nr_util, only: pi |
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USE paramet_m, ONLY : iip1, jjp1 |
USE paramet_m, ONLY : iip1, jjp1 |
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! Local: |
! Local: |
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INTEGER i, j, unit |
INTEGER i, j |
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REAL cvu(iip1, jjp1), cuv(iip1, jjm) |
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REAL ai14, ai23, airez, un4rad2 |
REAL ai14, ai23, airez, un4rad2 |
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REAL coslatm, coslatp, radclatm, radclatp |
REAL coslatm, coslatp, radclatm, radclatp |
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REAL, dimension(iip1, jjp1):: cuij1, cuij2, cuij3, cuij4 ! in m |
REAL, dimension(iip1, jjp1):: cuij1, cuij2, cuij3, cuij4 ! in m |
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REAL, dimension(iip1, jjp1):: cvij1, cvij2, cvij3, cvij4 ! in m |
REAL, dimension(iip1, jjp1):: cvij1, cvij2, cvij3, cvij4 ! in m |
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REAL rlatu1(jjm), yprimu1(jjm), rlatu2(jjm), yprimu2(jjm) |
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real yprimu(jjp1) |
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REAL gamdi_gdiv, gamdi_grot, gamdi_h |
REAL gamdi_gdiv, gamdi_grot, gamdi_h |
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REAL xprimm025(iip1), xprimp025(iip1) |
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real, dimension(iim + 1, jjm + 1):: aireij1_2d, aireij2_2d, aireij3_2d, & |
real, dimension(iim + 1, jjm + 1):: aireij1_2d, aireij2_2d, aireij3_2d, & |
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aireij4_2d ! in m2 |
aireij4_2d ! in m2 |
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real airuscv2_2d(iim + 1, jjm) |
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real airvscu2_2d(iim + 1, jjm), aiuscv2gam_2d(iim + 1, jjm) |
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real aivscu2gam_2d(iim + 1, jjm) |
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!------------------------------------------------------------------ |
!------------------------------------------------------------------ |
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PRINT *, 'Call sequence information: inigeom' |
PRINT *, 'Call sequence information: inigeom' |
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IF (nitergdiv/=2) THEN |
IF (nitergdiv /= 2) THEN |
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gamdi_gdiv = coefdis / (real(nitergdiv)-2.) |
gamdi_gdiv = coefdis / (nitergdiv - 2) |
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ELSE |
ELSE |
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gamdi_gdiv = 0. |
gamdi_gdiv = 0. |
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END IF |
END IF |
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IF (nitergrot/=2) THEN |
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gamdi_grot = coefdis / (real(nitergrot)-2.) |
IF (nitergrot /= 2) THEN |
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gamdi_grot = coefdis / (nitergrot - 2) |
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ELSE |
ELSE |
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gamdi_grot = 0. |
gamdi_grot = 0. |
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END IF |
END IF |
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IF (niterh/=2) THEN |
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gamdi_h = coefdis / (real(niterh)-2.) |
IF (niterh /= 2) THEN |
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gamdi_h = coefdis / (niterh - 2) |
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ELSE |
ELSE |
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gamdi_h = 0. |
gamdi_h = 0. |
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END IF |
END IF |
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print *, "gamdi_grot = ", gamdi_grot |
print *, "gamdi_grot = ", gamdi_grot |
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print *, "gamdi_h = ", gamdi_h |
print *, "gamdi_h = ", gamdi_h |
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CALL fyhyp(rlatu, yprimu, rlatv, rlatu2, yprimu2, rlatu1, yprimu1) |
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CALL fxhyp(xprimm025, rlonv, xprimv, rlonu, xprimu, xprimp025) |
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rlatu(1) = pi / 2. |
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rlatu(jjp1) = -rlatu(1) |
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! Calcul aux pôles |
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yprimu(1) = 0. |
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yprimu(jjp1) = 0. |
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un4rad2 = 0.25 * rad * rad |
un4rad2 = 0.25 * rad * rad |
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! Cf. "inigeom.txt". Calcul des quatre aires élémentaires |
! Cf. "inigeom.txt". Calcul des quatre aires élémentaires |
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unsairz_gam_2d(iip1, j) = unsairz_gam_2d(1, j) |
unsairz_gam_2d(iip1, j) = unsairz_gam_2d(1, j) |
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END DO |
END DO |
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! Calcul des élongations cu_2d, cv_2d, cvu |
! Calcul des élongations cu_2d, cv_2d |
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DO j = 1, jjm |
DO j = 1, jjm |
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DO i = 1, iim |
DO i = 1, iim |
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cv_2d(i, j) = 0.5 * & |
cv_2d(i, j) = 0.5 * & |
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(cvij2(i, j) + cvij3(i, j) + cvij1(i, j + 1) + cvij4(i, j + 1)) |
(cvij2(i, j) + cvij3(i, j) + cvij1(i, j + 1) + cvij4(i, j + 1)) |
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cvu(i, j) = 0.5 * (cvij1(i, j) + cvij4(i, j) + cvij2(i, j) & |
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+ cvij3(i, j)) |
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cuv(i, j) = 0.5 * (cuij2(i, j) + cuij3(i, j) + cuij1(i, j + 1) & |
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+ cuij4(i, j + 1)) |
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unscv2_2d(i, j) = 1. / cv_2d(i, j)**2 |
unscv2_2d(i, j) = 1. / cv_2d(i, j)**2 |
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END DO |
END DO |
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DO i = 1, iim |
DO i = 1, iim |
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cvscuvgam_2d(i, j) = cvsurcuv_2d(i, j)**(-gamdi_grot) |
cvscuvgam_2d(i, j) = cvsurcuv_2d(i, j)**(-gamdi_grot) |
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END DO |
END DO |
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cv_2d(iip1, j) = cv_2d(1, j) |
cv_2d(iip1, j) = cv_2d(1, j) |
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cvu(iip1, j) = cvu(1, j) |
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unscv2_2d(iip1, j) = unscv2_2d(1, j) |
unscv2_2d(iip1, j) = unscv2_2d(1, j) |
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cuv(iip1, j) = cuv(1, j) |
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cuvsurcv_2d(iip1, j) = cuvsurcv_2d(1, j) |
cuvsurcv_2d(iip1, j) = cuvsurcv_2d(1, j) |
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cvsurcuv_2d(iip1, j) = cvsurcuv_2d(1, j) |
cvsurcuv_2d(iip1, j) = cvsurcuv_2d(1, j) |
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cuvscvgam1_2d(iip1, j) = cuvscvgam1_2d(1, j) |
cuvscvgam1_2d(iip1, j) = cuvscvgam1_2d(1, j) |
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cu_2d(:, 1) = 0. |
cu_2d(:, 1) = 0. |
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unscu2_2d(:, 1) = 0. |
unscu2_2d(:, 1) = 0. |
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cvu(:, 1) = 0. |
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cu_2d(:, jjp1) = 0. |
cu_2d(:, jjp1) = 0. |
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unscu2_2d(:, jjp1) = 0. |
unscu2_2d(:, jjp1) = 0. |
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cvu(:, jjp1) = 0. |
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DO j = 1, jjm |
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DO i = 1, iim |
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airvscu2_2d(i, j) = airev_2d(i, j) / (cuv(i, j) * cuv(i, j)) |
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aivscu2gam_2d(i, j) = airvscu2_2d(i, j)**(-gamdi_grot) |
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END DO |
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airvscu2_2d(iip1, j) = airvscu2_2d(1, j) |
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aivscu2gam_2d(iip1, j) = aivscu2gam_2d(1, j) |
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END DO |
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DO j = 2, jjm |
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DO i = 1, iim |
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airuscv2_2d(i, j) = aireu_2d(i, j) / (cvu(i, j) * cvu(i, j)) |
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aiuscv2gam_2d(i, j) = airuscv2_2d(i, j)**(-gamdi_grot) |
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END DO |
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airuscv2_2d(iip1, j) = airuscv2_2d(1, j) |
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aiuscv2gam_2d(iip1, j) = aiuscv2gam_2d(1, j) |
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END DO |
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! Calcul des aires aux pôles : |
! Calcul des aires aux pôles : |
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constang_2d(iip1, j) = constang_2d(1, j) |
constang_2d(iip1, j) = constang_2d(1, j) |
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END DO |
END DO |
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call new_unit(unit) |
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open(unit, file="longitude_latitude.txt", status="replace", action="write") |
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write(unit, fmt=*) '"longitudes at V points (degrees)"', rlonv * 180. / pi |
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write(unit, fmt=*) '"latitudes at V points (degrees)"', rlatv * 180. / pi |
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write(unit, fmt=*) '"longitudes at U points (degrees)"', rlonu * 180. / pi |
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write(unit, fmt=*) '"latitudes at U points (degrees)"', rlatu * 180. / pi |
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close(unit) |
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END SUBROUTINE inigeom |
END SUBROUTINE inigeom |
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end module comgeom |
end module comgeom |