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guez |
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SUBROUTINE orolift(nlon,nlev,ktest,ptsphy,paphm1,pgeom1,ptm1,pum1,pvm1, & |
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plat,pmea,pvaror,ppic & |
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,pulow,pvlow,pvom,pvol,pte) |
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!**** *OROLIFT: SIMULATE THE GEOSTROPHIC LIFT. |
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! PURPOSE. |
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! -------- |
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!** INTERFACE. |
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! ---------- |
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! CALLED FROM *lift_noro |
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! ---------- |
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! AUTHOR. |
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! ------- |
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! F.LOTT LMD 22/11/95 |
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USE dimens_m |
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USE dimphy |
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guez |
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USE suphec_m |
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guez |
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USE yoegwd |
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IMPLICIT NONE |
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!----------------------------------------------------------------------- |
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!* 0.1 ARGUMENTS |
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! --------- |
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INTEGER nlon, nlev |
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REAL pte(nlon,nlev), pvol(nlon,nlev), pvom(nlon,nlev), pulow(nlon), & |
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pvlow(nlon) |
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REAL pum1(nlon,nlev), pvm1(nlon,nlev), ptm1(nlon,nlev) |
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REAL, INTENT (IN) :: plat(nlon) |
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REAL pmea(nlon) |
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REAL, INTENT (IN) :: pvaror(nlon) |
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REAL ppic(nlon), pgeom1(nlon,nlev), paphm1(nlon,nlev+1) |
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INTEGER ktest(nlon) |
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REAL, INTENT (IN) :: ptsphy |
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!----------------------------------------------------------------------- |
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!* 0.2 LOCAL ARRAYS |
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! ------------ |
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LOGICAL lifthigh |
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INTEGER klevm1, jl, ilevh, jk |
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REAL zcons1, ztmst, zrtmst, zpi, zhgeo |
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REAL zdelp, zslow, zsqua, zscav, zbet |
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INTEGER iknub(klon), iknul(klon) |
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LOGICAL ll1(klon,klev+1) |
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REAL ztau(klon,klev+1), ztav(klon,klev+1), zrho(klon,klev+1) |
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REAL zdudt(klon), zdvdt(klon) |
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REAL zhcrit(klon,klev) |
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!----------------------------------------------------------------------- |
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!* 1.1 INITIALIZATIONS |
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! --------------- |
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lifthigh = .FALSE. |
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IF (nlon/=klon .OR. nlev/=klev) STOP |
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zcons1 = 1./rd |
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klevm1 = klev - 1 |
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ztmst = ptsphy |
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zrtmst = 1./ztmst |
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zpi = acos(-1.) |
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DO 1001 jl = 1, klon |
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zrho(jl,klev+1) = 0.0 |
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pulow(jl) = 0.0 |
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pvlow(jl) = 0.0 |
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iknub(jl) = klev |
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iknul(jl) = klev |
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ilevh = klev/3 |
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ll1(jl,klev+1) = .FALSE. |
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DO 1000 jk = 1, klev |
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pvom(jl,jk) = 0.0 |
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pvol(jl,jk) = 0.0 |
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pte(jl,jk) = 0.0 |
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1000 CONTINUE |
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1001 CONTINUE |
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!* 2.1 DEFINE LOW LEVEL WIND, PROJECT WINDS IN PLANE OF |
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!* LOW LEVEL WIND, DETERMINE SECTOR IN WHICH TO TAKE |
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!* THE VARIANCE AND SET INDICATOR FOR CRITICAL LEVELS. |
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DO 2006 jk = klev, 1, -1 |
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DO 2007 jl = 1, klon |
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IF (ktest(jl)==1) THEN |
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zhcrit(jl,jk) = amax1(ppic(jl)-pmea(jl),100.) |
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zhgeo = pgeom1(jl,jk)/rg |
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ll1(jl,jk) = (zhgeo>zhcrit(jl,jk)) |
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IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
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iknub(jl) = jk |
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END IF |
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END IF |
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2007 CONTINUE |
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2006 CONTINUE |
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DO 2010 jl = 1, klon |
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IF (ktest(jl)==1) THEN |
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iknub(jl) = max(iknub(jl),klev/2) |
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iknul(jl) = max(iknul(jl),2*klev/3) |
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IF (iknub(jl)>nktopg) iknub(jl) = nktopg |
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IF (iknub(jl)==nktopg) iknul(jl) = klev |
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IF (iknub(jl)==iknul(jl)) iknub(jl) = iknul(jl) - 1 |
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END IF |
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2010 CONTINUE |
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! do 2011 jl=1,klon |
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! IF(KTEST(JL).EQ.1) THEN |
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! print *,' iknul= ',iknul(jl),' iknub=',iknub(jl) |
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! ENDIF |
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!2011 continue |
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! PRINT *,' DANS OROLIFT: 2010' |
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DO 223 jk = klev, 2, -1 |
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DO 222 jl = 1, klon |
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zrho(jl,jk) = 2.*paphm1(jl,jk)*zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) |
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222 CONTINUE |
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223 CONTINUE |
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! PRINT *,' DANS OROLIFT: 223' |
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!******************************************************************** |
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!* DEFINE LOW LEVEL FLOW |
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! ------------------- |
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DO 2115 jk = klev, 1, -1 |
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DO 2116 jl = 1, klon |
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IF (ktest(jl)==1) THEN |
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IF (jk>=iknub(jl) .AND. jk<=iknul(jl)) THEN |
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pulow(jl) = pulow(jl) + pum1(jl,jk)*(paphm1(jl,jk+1)-paphm1(jl, & |
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jk)) |
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pvlow(jl) = pvlow(jl) + pvm1(jl,jk)*(paphm1(jl,jk+1)-paphm1(jl, & |
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jk)) |
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zrho(jl,klev+1) = zrho(jl,klev+1) + zrho(jl,jk)*(paphm1(jl,jk+1) & |
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-paphm1(jl,jk)) |
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END IF |
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END IF |
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2116 CONTINUE |
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2115 CONTINUE |
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DO 2110 jl = 1, klon |
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IF (ktest(jl)==1) THEN |
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pulow(jl) = pulow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) |
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pvlow(jl) = pvlow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) |
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zrho(jl,klev+1) = zrho(jl,klev+1)/(paphm1(jl,iknul(jl)+1)-paphm1(jl, & |
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iknub(jl))) |
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END IF |
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2110 CONTINUE |
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!* 3. COMPUTE MOUNTAIN LIFT |
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DO 301 jl = 1, klon |
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IF (ktest(jl)==1) THEN |
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ztau(jl,klev+1) = -gklift*zrho(jl,klev+1)*2.*romega*2*pvaror(jl)*sin & |
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(zpi/180.*plat(jl))*pvlow(jl) |
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ztav(jl,klev+1) = gklift*zrho(jl,klev+1)*2.*romega*2*pvaror(jl)* & |
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sin(zpi/180.*plat(jl))*pulow(jl) |
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ELSE |
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ztau(jl,klev+1) = 0.0 |
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ztav(jl,klev+1) = 0.0 |
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END IF |
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301 CONTINUE |
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!* 4. COMPUTE LIFT PROFILE |
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!* -------------------- |
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guez |
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DO jk = 1, klev |
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DO jl = 1, klon |
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guez |
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IF (ktest(jl)==1) THEN |
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ztau(jl,jk) = ztau(jl,klev+1)*paphm1(jl,jk)/paphm1(jl,klev+1) |
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ztav(jl,jk) = ztav(jl,klev+1)*paphm1(jl,jk)/paphm1(jl,klev+1) |
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ELSE |
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ztau(jl,jk) = 0.0 |
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ztav(jl,jk) = 0.0 |
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END IF |
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guez |
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end DO |
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end DO |
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guez |
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!* 5. COMPUTE TENDENCIES. |
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!* ------------------- |
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IF (lifthigh) THEN |
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! PRINT *,' DANS OROLIFT: 500' |
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! EXPLICIT SOLUTION AT ALL LEVELS |
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DO 524 jk = 1, klev |
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DO 523 jl = 1, klon |
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IF (ktest(jl)==1) THEN |
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zdelp = paphm1(jl,jk+1) - paphm1(jl,jk) |
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zdudt(jl) = -rg*(ztau(jl,jk+1)-ztau(jl,jk))/zdelp |
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zdvdt(jl) = -rg*(ztav(jl,jk+1)-ztav(jl,jk))/zdelp |
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END IF |
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523 CONTINUE |
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524 CONTINUE |
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! PROJECT PERPENDICULARLY TO U NOT TO DESTROY ENERGY |
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guez |
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DO jk = 1, klev |
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DO jl = 1, klon |
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guez |
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IF (ktest(jl)==1) THEN |
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zslow = sqrt(pulow(jl)**2+pvlow(jl)**2) |
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zsqua = amax1(sqrt(pum1(jl,jk)**2+pvm1(jl,jk)**2),gvsec) |
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zscav = -zdudt(jl)*pvm1(jl,jk) + zdvdt(jl)*pum1(jl,jk) |
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IF (zsqua>gvsec) THEN |
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pvom(jl,jk) = -zscav*pvm1(jl,jk)/zsqua**2 |
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pvol(jl,jk) = zscav*pum1(jl,jk)/zsqua**2 |
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ELSE |
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pvom(jl,jk) = 0.0 |
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pvol(jl,jk) = 0.0 |
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END IF |
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zsqua = sqrt(pum1(jl,jk)**2+pum1(jl,jk)**2) |
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IF (zsqua<zslow) THEN |
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pvom(jl,jk) = zsqua/zslow*pvom(jl,jk) |
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pvol(jl,jk) = zsqua/zslow*pvol(jl,jk) |
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END IF |
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END IF |
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guez |
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end DO |
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end DO |
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guez |
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! 6. LOW LEVEL LIFT, SEMI IMPLICIT: |
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! ---------------------------------- |
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ELSE |
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DO 601 jl = 1, klon |
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IF (ktest(jl)==1) THEN |
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DO jk = klev, iknub(jl), -1 |
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zbet = gklift*2.*romega*sin(zpi/180.*plat(jl))*ztmst* & |
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(pgeom1(jl,iknub(jl)-1)-pgeom1(jl,jk))/ & |
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(pgeom1(jl,iknub(jl)-1)-pgeom1(jl,klev)) |
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zdudt(jl) = -pum1(jl,jk)/ztmst/(1+zbet**2) |
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zdvdt(jl) = -pvm1(jl,jk)/ztmst/(1+zbet**2) |
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pvom(jl,jk) = zbet**2*zdudt(jl) - zbet*zdvdt(jl) |
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pvol(jl,jk) = zbet*zdudt(jl) + zbet**2*zdvdt(jl) |
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END DO |
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END IF |
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601 CONTINUE |
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END IF |
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RETURN |
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END |
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