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SUBROUTINE inigeom |
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|
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! Auteur : P. Le Van |
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|
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! ............ Version du 01/04/2001 ................... |
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|
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! Calcul des elongations cuij1,.cuij4 , cvij1,..cvij4 aux memes en- |
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! endroits que les aires aireij1_2d,..aireij4_2d . |
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|
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! Choix entre f(y) a derivee sinusoid. ou a derivee tangente hyperbol. |
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! Possibilité d'appeler une fonction "f(y)" à |
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! dérivée tangente hyperbolique à la place de la fonction à dérivée |
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! sinusoïdale. |
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|
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|
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USE dimens_m, ONLY : iim, jjm |
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USE paramet_m, ONLY : iip1, jjp1 |
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USE comconst, ONLY : g, omeg, pi, rad |
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USE comdissnew, ONLY : coefdis, nitergdiv, nitergrot, niterh |
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USE logic, ONLY : fxyhypb, ysinus |
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USE comgeom, ONLY : aireij1_2d, aireij2_2d, aireij3_2d, aireij4_2d, & |
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airesurg_2d, aireu_2d, airev_2d, aire_2d, airuscv2_2d, airvscu2_2d, & |
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aiuscv2gam_2d, aivscu2gam_2d, alpha1p2_2d, alpha1p4_2d, alpha1_2d, & |
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alpha2p3_2d, alpha2_2d, alpha3p4_2d, alpha3_2d, alpha4_2d, apoln, & |
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apols, constang_2d, cuscvugam_2d, cusurcvu_2d, cuvscvgam1_2d, & |
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cuvscvgam2_2d, cuvsurcv_2d, cu_2d, cvscuvgam_2d, cvsurcuv_2d, & |
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cvuscugam1_2d, cvuscugam2_2d, cvusurcu_2d, cv_2d, fext_2d, rlatu, & |
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rlatv, rlonu, rlonv, unsairez_2d, unsaire_2d, unsairz_gam_2d, & |
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unsair_gam1_2d, unsair_gam2_2d, unsapolnga1, unsapolnga2, unsapolsga1, & |
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unsapolsga2, unscu2_2d, unscv2_2d, xprimu, xprimv |
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USE serre, ONLY : alphax, alphay, clat, clon, dzoomx, dzoomy, grossismx, & |
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grossismy, pxo, pyo, taux, tauy, transx, transy |
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|
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IMPLICIT NONE |
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|
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! .... Variables locales .... |
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|
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INTEGER i, j, itmax, itmay, iter |
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REAL cvu(iip1,jjp1), cuv(iip1,jjm) |
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REAL ai14, ai23, airez, rlatp, rlatm, xprm, xprp, un4rad2, yprp, yprm |
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REAL eps, x1, xo1, f, df, xdm, y1, yo1, ydm |
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REAL coslatm, coslatp, radclatm, radclatp |
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REAL cuij1(iip1,jjp1), cuij2(iip1,jjp1), cuij3(iip1,jjp1), & |
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cuij4(iip1,jjp1) |
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REAL cvij1(iip1,jjp1), cvij2(iip1,jjp1), cvij3(iip1,jjp1), & |
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cvij4(iip1,jjp1) |
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REAL rlonvv(iip1), rlatuu(jjp1) |
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REAL rlatu1(jjm), yprimu1(jjm), rlatu2(jjm), yprimu2(jjm), yprimv(jjm), & |
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yprimu(jjp1) |
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REAL gamdi_gdiv, gamdi_grot, gamdi_h |
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|
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REAL rlonm025(iip1), xprimm025(iip1), rlonp025(iip1), xprimp025(iip1) |
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SAVE rlatu1, yprimu1, rlatu2, yprimu2, yprimv, yprimu |
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SAVE rlonm025, xprimm025, rlonp025, xprimp025 |
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|
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! calcul des coeff. ( cu_2d, cv_2d , 1./cu_2d**2, 1./cv_2d**2 ) |
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! - - |
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! ------------------------------------------------------------------ |
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|
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! les coef. ( cu_2d, cv_2d ) permettent de passer des vitesses naturelles |
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! aux vitesses covariantes et contravariantes , ou vice-versa ... |
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|
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|
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! on a : u (covariant) = cu_2d * u (naturel) , u(contrav)= u(nat)/cu_2d |
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! v (covariant) = cv_2d * v (naturel) , v(contrav)= v(nat)/cv_2d |
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|
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! on en tire : u(covariant) = cu_2d * cu_2d * u(contravariant) |
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! v(covariant) = cv_2d * cv_2d * v(contravariant) |
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|
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|
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! on a l'application ( x(X) , y(Y) ) avec - im/2 +1 < X < im/2 |
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! = = |
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! et - jm/2 < Y < jm/2 |
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! = = |
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|
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! ................................................... |
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! ................................................... |
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! . x est la longitude du point en radians . |
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! . y est la latitude du point en radians . |
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! . . |
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! . on a : cu_2d(i,j) = rad * COS(y) * dx/dX . |
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! . cv( j ) = rad * dy/dY . |
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! . aire_2d(i,j) = cu_2d(i,j) * cv(j) . |
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! . . |
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! . y, dx/dX, dy/dY calcules aux points concernes . |
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! . . |
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! ................................................... |
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! ................................................... |
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|
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|
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|
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! , |
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! cv , bien que dependant de j uniquement,sera ici indice aussi en i |
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! pour un adressage plus facile en ij . |
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|
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|
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|
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! ************** aux points u et v , ***************** |
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! xprimu et xprimv sont respectivement les valeurs de dx/dX |
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! yprimu et yprimv . . . . . . . . . . . dy/dY |
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! rlatu et rlatv . . . . . . . . . . .la latitude |
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! cvu et cv_2d . . . . . . . . . . . cv_2d |
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|
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! ************** aux points u, v, scalaires, et z **************** |
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! cu_2d, cuv, cuscal, cuz sont respectiv. les valeurs de cu_2d |
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|
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|
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|
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! Exemple de distribution de variables sur la grille dans le |
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! domaine de travail ( X,Y ) . |
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! ................................................................ |
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! DX=DY= 1 |
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|
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|
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! + represente un point scalaire ( p.exp la pression ) |
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! > represente la composante zonale du vent |
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! V represente la composante meridienne du vent |
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! o represente la vorticite |
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|
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! ---- , car aux poles , les comp.zonales covariantes sont nulles |
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|
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|
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|
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! i -> |
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|
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! 1 2 3 4 5 6 7 8 |
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! j |
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! v 1 + ---- + ---- + ---- + ---- + ---- + ---- + ---- + -- |
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|
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! V o V o V o V o V o V o V o V o |
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|
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! 2 + > + > + > + > + > + > + > + > |
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! V o V o V o V o V o V o V o V o |
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! 3 + > + > + > + > + > + > + > + > |
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! V o V o V o V o V o V o V o V o |
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|
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! 4 + > + > + > + > + > + > + > + > |
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|
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! V o V o V o V o V o V o V o V o |
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|
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! 5 + ---- + ---- + ---- + ---- + ---- + ---- + ---- + -- |
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|
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|
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! Ci-dessus, on voit que le nombre de pts.en longitude est egal |
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! a IM = 8 |
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! De meme , le nombre d'intervalles entre les 2 poles est egal |
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! a JM = 4 |
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|
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! Les points scalaires ( + ) correspondent donc a des valeurs |
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! entieres de i ( 1 a IM ) et de j ( 1 a JM +1 ) . |
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|
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! Les vents U ( > ) correspondent a des valeurs semi- |
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! entieres de i ( 1+ 0.5 a IM+ 0.5) et entieres de j ( 1 a JM+1) |
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|
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! Les vents V ( V ) correspondent a des valeurs entieres |
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! de i ( 1 a IM ) et semi-entieres de j ( 1 +0.5 a JM +0.5) |
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|
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|
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|
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PRINT *, 'Call sequence information: inigeom' |
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PRINT 3 |
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3 FORMAT ('Calcul des elongations cu_2d et cv_2d comme sommes ', & |
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'des 4 '/5X, & |
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' elong. cuij1, .. 4 , cvij1,.. 4 qui les entourent , aux '/5X, & |
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' memes endroits que les aires aireij1_2d,...j4 . '/) |
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|
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|
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IF (nitergdiv/=2) THEN |
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gamdi_gdiv = coefdis/(float(nitergdiv)-2.) |
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ELSE |
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gamdi_gdiv = 0. |
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END IF |
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IF (nitergrot/=2) THEN |
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gamdi_grot = coefdis/(float(nitergrot)-2.) |
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ELSE |
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gamdi_grot = 0. |
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END IF |
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IF (niterh/=2) THEN |
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gamdi_h = coefdis/(float(niterh)-2.) |
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ELSE |
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gamdi_h = 0. |
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END IF |
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|
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WRITE (6,*) ' gamdi_gd ', gamdi_gdiv, gamdi_grot, gamdi_h, coefdis, & |
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nitergdiv, nitergrot, niterh |
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|
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pi = 2.*asin(1.) |
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|
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WRITE (6,990) |
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|
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! ---------------------------------------------------------------- |
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|
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IF ( .NOT. fxyhypb) THEN |
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|
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|
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IF (ysinus) THEN |
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|
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WRITE (6,*) ' *** Inigeom , Y = Sinus ( Latitude ) *** ' |
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|
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! .... utilisation de f(x,y ) avec y = sinus de la latitude ... |
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|
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CALL fxysinus(rlatu,yprimu,rlatv,yprimv,rlatu1,yprimu1,rlatu2, & |
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yprimu2,rlonu,xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025, & |
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xprimp025) |
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|
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ELSE |
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|
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WRITE (6,*) '*** Inigeom , Y = Latitude , der. sinusoid . ***' |
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|
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! utilisation de f(x,y) a tangente sinusoidale , y etant la latit. .. |
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|
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|
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pxo = clon*pi/180. |
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pyo = 2.*clat*pi/180. |
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|
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! .... determination de transx ( pour le zoom ) par Newton-Raphson . |
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|
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itmax = 10 |
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eps = .1E-7 |
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|
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xo1 = 0. |
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DO iter = 1, itmax |
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x1 = xo1 |
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f = x1 + alphax*sin(x1-pxo) |
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df = 1. + alphax*cos(x1-pxo) |
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x1 = x1 - f/df |
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xdm = abs(x1-xo1) |
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IF (xdm<=eps) EXIT |
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xo1 = x1 |
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END DO |
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|
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transx = xo1 |
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|
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itmay = 10 |
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eps = .1E-7 |
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|
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yo1 = 0. |
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DO iter = 1, itmay |
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y1 = yo1 |
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f = y1 + alphay*sin(y1-pyo) |
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df = 1. + alphay*cos(y1-pyo) |
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y1 = y1 - f/df |
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ydm = abs(y1-yo1) |
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IF (ydm<=eps) EXIT |
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yo1 = y1 |
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END DO |
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|
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transy = yo1 |
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|
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CALL fxy(rlatu,yprimu,rlatv,yprimv,rlatu1,yprimu1,rlatu2,yprimu2, & |
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rlonu,xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025,xprimp025) |
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|
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END IF |
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|
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ELSE |
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|
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! .... Utilisation de fxyhyper , f(x,y) a derivee tangente hyperbol. |
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! .................................................................. |
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|
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WRITE (6,*) '*** Inigeom , Y = Latitude , der.tg. hyperbolique ***' |
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|
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CALL fxyhyper(clat,grossismy,dzoomy,tauy,clon,grossismx,dzoomx,taux, & |
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rlatu,yprimu,rlatv,yprimv,rlatu1,yprimu1,rlatu2,yprimu2,rlonu, & |
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xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025,xprimp025) |
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|
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|
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END IF |
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|
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! ------------------------------------------------------------------- |
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|
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|
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rlatu(1) = asin(1.) |
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rlatu(jjp1) = -rlatu(1) |
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|
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|
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! .... calcul aux poles .... |
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|
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yprimu(1) = 0. |
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yprimu(jjp1) = 0. |
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|
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|
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un4rad2 = 0.25*rad*rad |
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|
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! ------------------------------------------------------------- |
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! ------------------------------------------------------------- |
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! - |
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! calcul des aires ( aire_2d,aireu_2d,airev_2d, 1./aire_2d, 1./airez ) |
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! - et de fext_2d , force de coriolis extensive . |
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! - |
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! ------------------------------------------------------------- |
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! ------------------------------------------------------------- |
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|
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|
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|
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! A 1 point scalaire P (i,j) de la grille, reguliere en (X,Y) , sont |
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! affectees 4 aires entourant P , calculees respectivement aux points |
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! ( i + 1/4, j - 1/4 ) : aireij1_2d (i,j) |
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! ( i + 1/4, j + 1/4 ) : aireij2_2d (i,j) |
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! ( i - 1/4, j + 1/4 ) : aireij3_2d (i,j) |
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! ( i - 1/4, j - 1/4 ) : aireij4_2d (i,j) |
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|
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! , |
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! Les cotes de chacun de ces 4 carres etant egaux a 1/2 suivant (X,Y). |
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! Chaque aire centree en 1 point scalaire P(i,j) est egale a la somme |
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! des 4 aires aireij1_2d,aireij2_2d,aireij3_2d,aireij4_2d qui sont affectees au |
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! point (i,j) . |
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! On definit en outre les coefficients alpha comme etant egaux a |
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! (aireij / aire_2d), c.a.d par exp. alpha1_2d(i,j)=aireij1_2d(i,j)/aire_2d(i,j) |
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|
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! De meme, toute aire centree en 1 point U est egale a la somme des |
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! 4 aires aireij1_2d,aireij2_2d,aireij3_2d,aireij4_2d entourant le point U. |
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! Idem pour airev_2d, airez . |
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|
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! On a ,pour chaque maille : dX = dY = 1 |
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|
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|
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! . V |
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|
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! aireij4_2d . . aireij1_2d |
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|
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! U . . P . U |
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|
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! aireij3_2d . . aireij2_2d |
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|
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! . V |
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|
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|
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|
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|
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|
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! .................................................................... |
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|
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! Calcul des 4 aires elementaires aireij1_2d,aireij2_2d,aireij3_2d,aireij4_2d |
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! qui entourent chaque aire_2d(i,j) , ainsi que les 4 elongations elementaires |
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! cuij et les 4 elongat. cvij qui sont calculees aux memes |
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! endroits que les aireij . |
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|
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! .................................................................... |
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|
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! ....... do 35 : boucle sur les jjm + 1 latitudes ..... |
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|
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|
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DO j = 1, jjp1 |
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|
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IF (j==1) THEN |
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|
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yprm = yprimu1(j) |
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rlatm = rlatu1(j) |
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|
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coslatm = cos(rlatm) |
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radclatm = 0.5*rad*coslatm |
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|
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DO i = 1, iim |
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xprp = xprimp025(i) |
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xprm = xprimm025(i) |
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aireij2_2d(i,1) = un4rad2*coslatm*xprp*yprm |
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aireij3_2d(i,1) = un4rad2*coslatm*xprm*yprm |
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cuij2(i,1) = radclatm*xprp |
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cuij3(i,1) = radclatm*xprm |
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cvij2(i,1) = 0.5*rad*yprm |
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cvij3(i,1) = cvij2(i,1) |
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END DO |
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|
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DO i = 1, iim |
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aireij1_2d(i,1) = 0. |
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aireij4_2d(i,1) = 0. |
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cuij1(i,1) = 0. |
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cuij4(i,1) = 0. |
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cvij1(i,1) = 0. |
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cvij4(i,1) = 0. |
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END DO |
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|
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END IF |
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|
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IF (j==jjp1) THEN |
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yprp = yprimu2(j-1) |
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rlatp = rlatu2(j-1) |
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!cc yprp = fyprim( FLOAT(j) - 0.25 ) |
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!cc rlatp = fy ( FLOAT(j) - 0.25 ) |
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|
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coslatp = cos(rlatp) |
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radclatp = 0.5*rad*coslatp |
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|
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DO i = 1, iim |
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xprp = xprimp025(i) |
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xprm = xprimm025(i) |
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aireij1_2d(i,jjp1) = un4rad2*coslatp*xprp*yprp |
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aireij4_2d(i,jjp1) = un4rad2*coslatp*xprm*yprp |
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cuij1(i,jjp1) = radclatp*xprp |
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cuij4(i,jjp1) = radclatp*xprm |
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cvij1(i,jjp1) = 0.5*rad*yprp |
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cvij4(i,jjp1) = cvij1(i,jjp1) |
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END DO |
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|
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DO i = 1, iim |
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aireij2_2d(i,jjp1) = 0. |
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aireij3_2d(i,jjp1) = 0. |
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cvij2(i,jjp1) = 0. |
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cvij3(i,jjp1) = 0. |
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cuij2(i,jjp1) = 0. |
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cuij3(i,jjp1) = 0. |
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END DO |
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|
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END IF |
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|
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|
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IF (j>1 .AND. j<jjp1) THEN |
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|
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rlatp = rlatu2(j-1) |
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yprp = yprimu2(j-1) |
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rlatm = rlatu1(j) |
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yprm = yprimu1(j) |
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!c rlatp = fy ( FLOAT(j) - 0.25 ) |
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!c yprp = fyprim( FLOAT(j) - 0.25 ) |
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!c rlatm = fy ( FLOAT(j) + 0.25 ) |
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!c yprm = fyprim( FLOAT(j) + 0.25 ) |
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|
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coslatm = cos(rlatm) |
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coslatp = cos(rlatp) |
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radclatp = 0.5*rad*coslatp |
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radclatm = 0.5*rad*coslatm |
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|
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DO i = 1, iim |
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xprp = xprimp025(i) |
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xprm = xprimm025(i) |
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|
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ai14 = un4rad2*coslatp*yprp |
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ai23 = un4rad2*coslatm*yprm |
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aireij1_2d(i,j) = ai14*xprp |
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aireij2_2d(i,j) = ai23*xprp |
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aireij3_2d(i,j) = ai23*xprm |
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aireij4_2d(i,j) = ai14*xprm |
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cuij1(i,j) = radclatp*xprp |
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cuij2(i,j) = radclatm*xprp |
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cuij3(i,j) = radclatm*xprm |
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cuij4(i,j) = radclatp*xprm |
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cvij1(i,j) = 0.5*rad*yprp |
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cvij2(i,j) = 0.5*rad*yprm |
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cvij3(i,j) = cvij2(i,j) |
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cvij4(i,j) = cvij1(i,j) |
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END DO |
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|
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END IF |
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|
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! ........ periodicite ............ |
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|
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cvij1(iip1,j) = cvij1(1,j) |
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cvij2(iip1,j) = cvij2(1,j) |
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cvij3(iip1,j) = cvij3(1,j) |
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cvij4(iip1,j) = cvij4(1,j) |
454 |
cuij1(iip1,j) = cuij1(1,j) |
455 |
cuij2(iip1,j) = cuij2(1,j) |
456 |
cuij3(iip1,j) = cuij3(1,j) |
457 |
cuij4(iip1,j) = cuij4(1,j) |
458 |
aireij1_2d(iip1,j) = aireij1_2d(1,j) |
459 |
aireij2_2d(iip1,j) = aireij2_2d(1,j) |
460 |
aireij3_2d(iip1,j) = aireij3_2d(1,j) |
461 |
aireij4_2d(iip1,j) = aireij4_2d(1,j) |
462 |
|
463 |
END DO |
464 |
|
465 |
! .............................................................. |
466 |
|
467 |
DO j = 1, jjp1 |
468 |
DO i = 1, iim |
469 |
aire_2d(i,j) = aireij1_2d(i,j) + aireij2_2d(i,j) + aireij3_2d(i,j) + & |
470 |
aireij4_2d(i,j) |
471 |
alpha1_2d(i,j) = aireij1_2d(i,j)/aire_2d(i,j) |
472 |
alpha2_2d(i,j) = aireij2_2d(i,j)/aire_2d(i,j) |
473 |
alpha3_2d(i,j) = aireij3_2d(i,j)/aire_2d(i,j) |
474 |
alpha4_2d(i,j) = aireij4_2d(i,j)/aire_2d(i,j) |
475 |
alpha1p2_2d(i,j) = alpha1_2d(i,j) + alpha2_2d(i,j) |
476 |
alpha1p4_2d(i,j) = alpha1_2d(i,j) + alpha4_2d(i,j) |
477 |
alpha2p3_2d(i,j) = alpha2_2d(i,j) + alpha3_2d(i,j) |
478 |
alpha3p4_2d(i,j) = alpha3_2d(i,j) + alpha4_2d(i,j) |
479 |
END DO |
480 |
|
481 |
|
482 |
aire_2d(iip1,j) = aire_2d(1,j) |
483 |
alpha1_2d(iip1,j) = alpha1_2d(1,j) |
484 |
alpha2_2d(iip1,j) = alpha2_2d(1,j) |
485 |
alpha3_2d(iip1,j) = alpha3_2d(1,j) |
486 |
alpha4_2d(iip1,j) = alpha4_2d(1,j) |
487 |
alpha1p2_2d(iip1,j) = alpha1p2_2d(1,j) |
488 |
alpha1p4_2d(iip1,j) = alpha1p4_2d(1,j) |
489 |
alpha2p3_2d(iip1,j) = alpha2p3_2d(1,j) |
490 |
alpha3p4_2d(iip1,j) = alpha3p4_2d(1,j) |
491 |
END DO |
492 |
|
493 |
|
494 |
DO j = 1, jjp1 |
495 |
DO i = 1, iim |
496 |
aireu_2d(i,j) = aireij1_2d(i,j) + aireij2_2d(i,j) + & |
497 |
aireij4_2d(i+1,j) + aireij3_2d(i+1,j) |
498 |
unsaire_2d(i,j) = 1./aire_2d(i,j) |
499 |
unsair_gam1_2d(i,j) = unsaire_2d(i,j)**(-gamdi_gdiv) |
500 |
unsair_gam2_2d(i,j) = unsaire_2d(i,j)**(-gamdi_h) |
501 |
airesurg_2d(i,j) = aire_2d(i,j)/g |
502 |
END DO |
503 |
aireu_2d(iip1,j) = aireu_2d(1,j) |
504 |
unsaire_2d(iip1,j) = unsaire_2d(1,j) |
505 |
unsair_gam1_2d(iip1,j) = unsair_gam1_2d(1,j) |
506 |
unsair_gam2_2d(iip1,j) = unsair_gam2_2d(1,j) |
507 |
airesurg_2d(iip1,j) = airesurg_2d(1,j) |
508 |
END DO |
509 |
|
510 |
|
511 |
DO j = 1, jjm |
512 |
|
513 |
DO i = 1, iim |
514 |
airev_2d(i,j) = aireij2_2d(i,j) + aireij3_2d(i,j) + & |
515 |
aireij1_2d(i,j+1) + aireij4_2d(i,j+1) |
516 |
END DO |
517 |
DO i = 1, iim |
518 |
airez = aireij2_2d(i,j) + aireij1_2d(i,j+1) + aireij3_2d(i+1,j) + & |
519 |
aireij4_2d(i+1,j+1) |
520 |
unsairez_2d(i,j) = 1./airez |
521 |
unsairz_gam_2d(i,j) = unsairez_2d(i,j)**(-gamdi_grot) |
522 |
fext_2d(i,j) = airez*sin(rlatv(j))*2.*omeg |
523 |
END DO |
524 |
airev_2d(iip1,j) = airev_2d(1,j) |
525 |
unsairez_2d(iip1,j) = unsairez_2d(1,j) |
526 |
fext_2d(iip1,j) = fext_2d(1,j) |
527 |
unsairz_gam_2d(iip1,j) = unsairz_gam_2d(1,j) |
528 |
|
529 |
END DO |
530 |
|
531 |
|
532 |
! ..... Calcul des elongations cu_2d,cv_2d, cvu ......... |
533 |
|
534 |
DO j = 1, jjm |
535 |
DO i = 1, iim |
536 |
cv_2d(i,j) = 0.5*(cvij2(i,j)+cvij3(i,j)+cvij1(i,j+1)+cvij4(i,j+1)) |
537 |
cvu(i,j) = 0.5*(cvij1(i,j)+cvij4(i,j)+cvij2(i,j)+cvij3(i,j)) |
538 |
cuv(i,j) = 0.5*(cuij2(i,j)+cuij3(i,j)+cuij1(i,j+1)+cuij4(i,j+1)) |
539 |
unscv2_2d(i,j) = 1./(cv_2d(i,j)*cv_2d(i,j)) |
540 |
END DO |
541 |
DO i = 1, iim |
542 |
cuvsurcv_2d(i,j) = airev_2d(i,j)*unscv2_2d(i,j) |
543 |
cvsurcuv_2d(i,j) = 1./cuvsurcv_2d(i,j) |
544 |
cuvscvgam1_2d(i,j) = cuvsurcv_2d(i,j)**(-gamdi_gdiv) |
545 |
cuvscvgam2_2d(i,j) = cuvsurcv_2d(i,j)**(-gamdi_h) |
546 |
cvscuvgam_2d(i,j) = cvsurcuv_2d(i,j)**(-gamdi_grot) |
547 |
END DO |
548 |
cv_2d(iip1,j) = cv_2d(1,j) |
549 |
cvu(iip1,j) = cvu(1,j) |
550 |
unscv2_2d(iip1,j) = unscv2_2d(1,j) |
551 |
cuv(iip1,j) = cuv(1,j) |
552 |
cuvsurcv_2d(iip1,j) = cuvsurcv_2d(1,j) |
553 |
cvsurcuv_2d(iip1,j) = cvsurcuv_2d(1,j) |
554 |
cuvscvgam1_2d(iip1,j) = cuvscvgam1_2d(1,j) |
555 |
cuvscvgam2_2d(iip1,j) = cuvscvgam2_2d(1,j) |
556 |
cvscuvgam_2d(iip1,j) = cvscuvgam_2d(1,j) |
557 |
END DO |
558 |
|
559 |
DO j = 2, jjm |
560 |
DO i = 1, iim |
561 |
cu_2d(i,j) = 0.5*(cuij1(i,j)+cuij4(i+1,j)+cuij2(i,j)+cuij3(i+1,j)) |
562 |
unscu2_2d(i,j) = 1./(cu_2d(i,j)*cu_2d(i,j)) |
563 |
cvusurcu_2d(i,j) = aireu_2d(i,j)*unscu2_2d(i,j) |
564 |
cusurcvu_2d(i,j) = 1./cvusurcu_2d(i,j) |
565 |
cvuscugam1_2d(i,j) = cvusurcu_2d(i,j)**(-gamdi_gdiv) |
566 |
cvuscugam2_2d(i,j) = cvusurcu_2d(i,j)**(-gamdi_h) |
567 |
cuscvugam_2d(i,j) = cusurcvu_2d(i,j)**(-gamdi_grot) |
568 |
END DO |
569 |
cu_2d(iip1,j) = cu_2d(1,j) |
570 |
unscu2_2d(iip1,j) = unscu2_2d(1,j) |
571 |
cvusurcu_2d(iip1,j) = cvusurcu_2d(1,j) |
572 |
cusurcvu_2d(iip1,j) = cusurcvu_2d(1,j) |
573 |
cvuscugam1_2d(iip1,j) = cvuscugam1_2d(1,j) |
574 |
cvuscugam2_2d(iip1,j) = cvuscugam2_2d(1,j) |
575 |
cuscvugam_2d(iip1,j) = cuscvugam_2d(1,j) |
576 |
END DO |
577 |
|
578 |
|
579 |
! .... calcul aux poles .... |
580 |
|
581 |
DO i = 1, iip1 |
582 |
cu_2d(i,1) = 0. |
583 |
unscu2_2d(i,1) = 0. |
584 |
cvu(i,1) = 0. |
585 |
|
586 |
cu_2d(i,jjp1) = 0. |
587 |
unscu2_2d(i,jjp1) = 0. |
588 |
cvu(i,jjp1) = 0. |
589 |
END DO |
590 |
|
591 |
! .............................................................. |
592 |
|
593 |
DO j = 1, jjm |
594 |
DO i = 1, iim |
595 |
airvscu2_2d(i,j) = airev_2d(i,j)/(cuv(i,j)*cuv(i,j)) |
596 |
aivscu2gam_2d(i,j) = airvscu2_2d(i,j)**(-gamdi_grot) |
597 |
END DO |
598 |
airvscu2_2d(iip1,j) = airvscu2_2d(1,j) |
599 |
aivscu2gam_2d(iip1,j) = aivscu2gam_2d(1,j) |
600 |
END DO |
601 |
|
602 |
DO j = 2, jjm |
603 |
DO i = 1, iim |
604 |
airuscv2_2d(i,j) = aireu_2d(i,j)/(cvu(i,j)*cvu(i,j)) |
605 |
aiuscv2gam_2d(i,j) = airuscv2_2d(i,j)**(-gamdi_grot) |
606 |
END DO |
607 |
airuscv2_2d(iip1,j) = airuscv2_2d(1,j) |
608 |
aiuscv2gam_2d(iip1,j) = aiuscv2gam_2d(1,j) |
609 |
END DO |
610 |
|
611 |
|
612 |
! calcul des aires aux poles : |
613 |
! ----------------------------- |
614 |
|
615 |
apoln = sum(aire_2d(:iim, 1)) |
616 |
apols = sum(aire_2d(:iim, jjp1)) |
617 |
unsapolnga1 = 1./(apoln**(-gamdi_gdiv)) |
618 |
unsapolsga1 = 1./(apols**(-gamdi_gdiv)) |
619 |
unsapolnga2 = 1./(apoln**(-gamdi_h)) |
620 |
unsapolsga2 = 1./(apols**(-gamdi_h)) |
621 |
|
622 |
!---------------------------------------------------------------- |
623 |
! gtitre='Coriolis version ancienne' |
624 |
! gfichier='fext1' |
625 |
! CALL writestd(fext_2d,iip1*jjm) |
626 |
|
627 |
! changement F. Hourdin calcul conservatif pour fext_2d |
628 |
! constang_2d contient le produit a * cos ( latitude ) * omega |
629 |
|
630 |
DO i = 1, iim |
631 |
constang_2d(i,1) = 0. |
632 |
END DO |
633 |
DO j = 1, jjm - 1 |
634 |
DO i = 1, iim |
635 |
constang_2d(i,j+1) = rad*omeg*cu_2d(i,j+1)*cos(rlatu(j+1)) |
636 |
END DO |
637 |
END DO |
638 |
DO i = 1, iim |
639 |
constang_2d(i,jjp1) = 0. |
640 |
END DO |
641 |
|
642 |
! periodicite en longitude |
643 |
|
644 |
DO j = 1, jjm |
645 |
fext_2d(iip1,j) = fext_2d(1,j) |
646 |
END DO |
647 |
DO j = 1, jjp1 |
648 |
constang_2d(iip1,j) = constang_2d(1,j) |
649 |
END DO |
650 |
|
651 |
! fin du changement |
652 |
|
653 |
|
654 |
!---------------------------------------------------------------- |
655 |
|
656 |
WRITE (6,*) ' *** Coordonnees de la grille *** ' |
657 |
WRITE (6,995) |
658 |
|
659 |
WRITE (6,*) ' LONGITUDES aux pts. V ( degres ) ' |
660 |
WRITE (6,995) |
661 |
DO i = 1, iip1 |
662 |
rlonvv(i) = rlonv(i)*180./pi |
663 |
END DO |
664 |
WRITE (6,400) rlonvv |
665 |
|
666 |
WRITE (6,995) |
667 |
WRITE (6,*) ' LATITUDES aux pts. V ( degres ) ' |
668 |
WRITE (6,995) |
669 |
DO i = 1, jjm |
670 |
rlatuu(i) = rlatv(i)*180./pi |
671 |
END DO |
672 |
WRITE (6,400) (rlatuu(i),i=1,jjm) |
673 |
|
674 |
DO i = 1, iip1 |
675 |
rlonvv(i) = rlonu(i)*180./pi |
676 |
END DO |
677 |
WRITE (6,995) |
678 |
WRITE (6,*) ' LONGITUDES aux pts. U ( degres ) ' |
679 |
WRITE (6,995) |
680 |
WRITE (6,400) rlonvv |
681 |
WRITE (6,995) |
682 |
|
683 |
WRITE (6,*) ' LATITUDES aux pts. U ( degres ) ' |
684 |
WRITE (6,995) |
685 |
DO i = 1, jjp1 |
686 |
rlatuu(i) = rlatu(i)*180./pi |
687 |
END DO |
688 |
WRITE (6,400) (rlatuu(i),i=1,jjp1) |
689 |
WRITE (6,995) |
690 |
|
691 |
400 FORMAT (1X,8F8.2) |
692 |
990 FORMAT (//) |
693 |
995 FORMAT (/) |
694 |
|
695 |
END SUBROUTINE inigeom |