! ! $Id: orografi.F 1403 2010-07-01 09:02:53Z crisi $ ! SUBROUTINE drag_noro (nlon,nlev,dtime,paprs,pplay, e pmea,pstd, psig, pgam, pthe,ppic,pval, e kgwd,kdx,ktest, e t, u, v, s pulow, pvlow, pustr, pvstr, s d_t, d_u, d_v) c USE dimphy IMPLICIT none c====================================================================== c Auteur(s): F.Lott (LMD/CNRS) date: 19950201 c Objet: Frottement de la montagne Interface c====================================================================== c Arguments: c dtime---input-R- pas d'integration (s) c paprs---input-R-pression pour chaque inter-couche (en Pa) c pplay---input-R-pression pour le mileu de chaque couche (en Pa) c t-------input-R-temperature (K) c u-------input-R-vitesse horizontale (m/s) c v-------input-R-vitesse horizontale (m/s) c c d_t-----output-R-increment de la temperature c d_u-----output-R-increment de la vitesse u c d_v-----output-R-increment de la vitesse v c====================================================================== cym#include "dimensions.h" cym#include "dimphy.h" #include "YOMCST.h" c c ARGUMENTS c INTEGER nlon,nlev REAL dtime REAL paprs(klon,klev+1) REAL pplay(klon,klev) REAL pmea(nlon),pstd(nlon),psig(nlon),pgam(nlon),pthe(nlon) REAL ppic(nlon),pval(nlon) REAL pulow(nlon),pvlow(nlon),pustr(nlon),pvstr(nlon) REAL t(nlon,nlev), u(nlon,nlev), v(nlon,nlev) REAL d_t(nlon,nlev), d_u(nlon,nlev), d_v(nlon,nlev) c INTEGER i, k, kgwd, kdx(nlon), ktest(nlon) c c Variables locales: c REAL zgeom(klon,klev) REAL pdtdt(klon,klev), pdudt(klon,klev), pdvdt(klon,klev) REAL pt(klon,klev), pu(klon,klev), pv(klon,klev) REAL papmf(klon,klev),papmh(klon,klev+1) c c initialiser les variables de sortie (pour securite) c DO i = 1,klon pulow(i) = 0.0 pvlow(i) = 0.0 pustr(i) = 0.0 pvstr(i) = 0.0 ENDDO DO k = 1, klev DO i = 1, klon d_t(i,k) = 0.0 d_u(i,k) = 0.0 d_v(i,k) = 0.0 pdudt(i,k)=0.0 pdvdt(i,k)=0.0 pdtdt(i,k)=0.0 ENDDO ENDDO c c preparer les variables d'entree (attention: l'ordre des niveaux c verticaux augmente du haut vers le bas) c DO k = 1, klev DO i = 1, klon pt(i,k) = t(i,klev-k+1) pu(i,k) = u(i,klev-k+1) pv(i,k) = v(i,klev-k+1) papmf(i,k) = pplay(i,klev-k+1) ENDDO ENDDO DO k = 1, klev+1 DO i = 1, klon papmh(i,k) = paprs(i,klev-k+2) ENDDO ENDDO DO i = 1, klon zgeom(i,klev) = RD * pt(i,klev) . * LOG(papmh(i,klev+1)/papmf(i,klev)) ENDDO DO k = klev-1, 1, -1 DO i = 1, klon zgeom(i,k) = zgeom(i,k+1) + RD * (pt(i,k)+pt(i,k+1))/2.0 . * LOG(papmf(i,k+1)/papmf(i,k)) ENDDO ENDDO c c appeler la routine principale c CALL orodrag(klon,klev,kgwd,kdx,ktest, . dtime, . papmh, papmf, zgeom, . pt, pu, pv, . pmea, pstd, psig, pgam, pthe, ppic,pval, . pulow,pvlow, . pdudt,pdvdt,pdtdt) C DO k = 1, klev DO i = 1, klon d_u(i,klev+1-k) = dtime*pdudt(i,k) d_v(i,klev+1-k) = dtime*pdvdt(i,k) d_t(i,klev+1-k) = dtime*pdtdt(i,k) pustr(i) = pustr(i) cIM BUG . +rg*pdudt(i,k)*(papmh(i,k+1)-papmh(i,k)) . +pdudt(i,k)*(papmh(i,k+1)-papmh(i,k))/RG pvstr(i) = pvstr(i) cIM BUG . +rg*pdvdt(i,k)*(papmh(i,k+1)-papmh(i,k)) . +pdvdt(i,k)*(papmh(i,k+1)-papmh(i,k))/RG ENDDO ENDDO c RETURN END SUBROUTINE orodrag( nlon,nlev i , kgwd, kdx, ktest r , ptsphy r , paphm1,papm1,pgeom1,ptm1,pum1,pvm1 r , pmea, pstd, psig, pgamma, ptheta, ppic, pval c outputs r , pulow,pvlow r , pvom,pvol,pte ) USE dimphy implicit none c c c**** *gwdrag* - does the gravity wave parametrization. c c purpose. c -------- c c this routine computes the physical tendencies of the c prognostic variables u,v and t due to vertical transports by c subgridscale orographically excited gravity waves c c** interface. c ---------- c called from *callpar*. c c the routine takes its input from the long-term storage: c u,v,t and p at t-1. c c explicit arguments : c -------------------- c ==== inputs === c ==== outputs === c c implicit arguments : none c -------------------- c c implicit logical (l) c c method. c ------- c c externals. c ---------- integer ismin, ismax external ismin, ismax c c reference. c ---------- c c author. c ------- c m.miller + b.ritter e.c.m.w.f. 15/06/86. c c f.lott + m. miller e.c.m.w.f. 22/11/94 c----------------------------------------------------------------------- c c cym#include "dimensions.h" cym#include "dimphy.h" #include "YOMCST.h" #include "YOEGWD.h" c----------------------------------------------------------------------- c c* 0.1 arguments c --------- c c cym integer nlon, nlev, klevm1 integer nlon, nlev integer kgwd, jl, ilevp1, jk, ji real zdelp, ztemp, zforc, ztend real rover, zb, zc, zconb, zabsv real zzd1, ratio, zbet, zust,zvst, zdis real pte(nlon,nlev), * pvol(nlon,nlev), * pvom(nlon,nlev), * pulow(klon), * pvlow(klon) real pum1(nlon,nlev), * pvm1(nlon,nlev), * ptm1(nlon,nlev), * pmea(nlon),pstd(nlon),psig(nlon), * pgamma(nlon),ptheta(nlon),ppic(nlon),pval(nlon), * pgeom1(nlon,nlev), * papm1(nlon,nlev), * paphm1(nlon,nlev+1) c integer kdx(nlon),ktest(nlon) c----------------------------------------------------------------------- c c* 0.2 local arrays c ------------ integer isect(klon), * icrit(klon), * ikcrith(klon), * ikenvh(klon), * iknu(klon), * iknu2(klon), * ikcrit(klon), * ikhlim(klon) c real ztau(klon,klev+1), $ ztauf(klon,klev+1), * zstab(klon,klev+1), * zvph(klon,klev+1), * zrho(klon,klev+1), * zri(klon,klev+1), * zpsi(klon,klev+1), * zzdep(klon,klev) real zdudt(klon), * zdvdt(klon), * zdtdt(klon), * zdedt(klon), * zvidis(klon), * znu(klon), * zd1(klon), * zd2(klon), * zdmod(klon) real ztmst, ptsphy, zrtmst c c------------------------------------------------------------------ c c* 1. initialization c -------------- c 100 continue c c ------------------------------------------------------------------ c c* 1.1 computational constants c ----------------------- c 110 continue c c ztmst=twodt c if(nstep.eq.nstart) ztmst=0.5*twodt cym klevm1=klev-1 ztmst=ptsphy zrtmst=1./ztmst c ------------------------------------------------------------------ c 120 continue c c ------------------------------------------------------------------ c c* 1.3 check whether row contains point for printing c --------------------------------------------- c 130 continue c c ------------------------------------------------------------------ c c* 2. precompute basic state variables. c* ---------- ----- ----- ---------- c* define low level wind, project winds in plane of c* low level wind, determine sector in which to take c* the variance and set indicator for critical levels. c 200 continue c c c call orosetup * ( nlon, ktest * , ikcrit, ikcrith, icrit, ikenvh,iknu,iknu2 * , paphm1, papm1 , pum1 , pvm1 , ptm1 , pgeom1, pstd * , zrho , zri , zstab , ztau , zvph , zpsi, zzdep * , pulow, pvlow * , ptheta,pgamma,pmea,ppic,pval,znu ,zd1, zd2, zdmod ) c c c c*********************************************************** c c c* 3. compute low level stresses using subcritical and c* supercritical forms.computes anisotropy coefficient c* as measure of orographic twodimensionality. c 300 continue c call gwstress * ( nlon , nlev * , ktest , icrit, ikenvh, iknu * , zrho , zstab, zvph , pstd, psig, pmea, ppic * , ztau * , pgeom1,zdmod) c c c* 4. compute stress profile. c* ------- ------ -------- c 400 continue c c call gwprofil * ( nlon , nlev * , kgwd , kdx , ktest * , ikcrith, icrit * , paphm1, zrho , zstab , zvph * , zri , ztau * , zdmod , psig , pstd) c c c* 5. compute tendencies. c* ------------------- c 500 continue c c explicit solution at all levels for the gravity wave c implicit solution for the blocked levels do 510 jl=kidia,kfdia zvidis(jl)=0.0 zdudt(jl)=0.0 zdvdt(jl)=0.0 zdtdt(jl)=0.0 510 continue c ilevp1=klev+1 c c do 524 jk=1,klev c c c do 523 jl=1,kgwd c ji=kdx(jl) c Modif vectorisation 02/04/2004 do 523 ji=kidia,kfdia if(ktest(ji).eq.1) then zdelp=paphm1(ji,jk+1)-paphm1(ji,jk) ztemp=-rg*(ztau(ji,jk+1)-ztau(ji,jk))/(zvph(ji,ilevp1)*zdelp) zdudt(ji)=(pulow(ji)*zd1(ji)-pvlow(ji)*zd2(ji))*ztemp/zdmod(ji) zdvdt(ji)=(pvlow(ji)*zd1(ji)+pulow(ji)*zd2(ji))*ztemp/zdmod(ji) c c controle des overshoots: c zforc=sqrt(zdudt(ji)**2+zdvdt(ji)**2)+1.E-12 ztend=sqrt(pum1(ji,jk)**2+pvm1(ji,jk)**2)/ztmst+1.E-12 rover=0.25 if(zforc.ge.rover*ztend)then zdudt(ji)=rover*ztend/zforc*zdudt(ji) zdvdt(ji)=rover*ztend/zforc*zdvdt(ji) endif c c fin du controle des overshoots c if(jk.ge.ikenvh(ji)) then zb=1.0-0.18*pgamma(ji)-0.04*pgamma(ji)**2 zc=0.48*pgamma(ji)+0.3*pgamma(ji)**2 zconb=2.*ztmst*gkwake*psig(ji)/(4.*pstd(ji)) zabsv=sqrt(pum1(ji,jk)**2+pvm1(ji,jk)**2)/2. zzd1=zb*cos(zpsi(ji,jk))**2+zc*sin(zpsi(ji,jk))**2 ratio=(cos(zpsi(ji,jk))**2+pgamma(ji)*sin(zpsi(ji,jk))**2)/ * (pgamma(ji)*cos(zpsi(ji,jk))**2+sin(zpsi(ji,jk))**2) zbet=max(0.,2.-1./ratio)*zconb*zzdep(ji,jk)*zzd1*zabsv c c simplement oppose au vent c zdudt(ji)=-pum1(ji,jk)/ztmst zdvdt(ji)=-pvm1(ji,jk)/ztmst c c projection dans la direction de l'axe principal de l'orographie cmod zdudt(ji)=-(pum1(ji,jk)*cos(ptheta(ji)*rpi/180.) cmod * +pvm1(ji,jk)*sin(ptheta(ji)*rpi/180.)) cmod * *cos(ptheta(ji)*rpi/180.)/ztmst cmod zdvdt(ji)=-(pum1(ji,jk)*cos(ptheta(ji)*rpi/180.) cmod * +pvm1(ji,jk)*sin(ptheta(ji)*rpi/180.)) cmod * *sin(ptheta(ji)*rpi/180.)/ztmst zdudt(ji)=zdudt(ji)*(zbet/(1.+zbet)) zdvdt(ji)=zdvdt(ji)*(zbet/(1.+zbet)) end if pvom(ji,jk)=zdudt(ji) pvol(ji,jk)=zdvdt(ji) zust=pum1(ji,jk)+ztmst*zdudt(ji) zvst=pvm1(ji,jk)+ztmst*zdvdt(ji) zdis=0.5*(pum1(ji,jk)**2+pvm1(ji,jk)**2-zust**2-zvst**2) zdedt(ji)=zdis/ztmst zvidis(ji)=zvidis(ji)+zdis*zdelp zdtdt(ji)=zdedt(ji)/rcpd c pte(ji,jk)=zdtdt(ji) c c ENCORE UN TRUC POUR EVITER LES EXPLOSIONS c pte(ji,jk)=0.0 endif 523 continue 524 continue c c return end SUBROUTINE orosetup * ( nlon , ktest * , kkcrit, kkcrith, kcrit * , kkenvh, kknu , kknu2 * , paphm1, papm1 , pum1 , pvm1 , ptm1 , pgeom1, pstd * , prho , pri , pstab , ptau , pvph ,ppsi, pzdep * , pulow , pvlow * , ptheta, pgamma, pmea, ppic, pval * , pnu , pd1 , pd2 ,pdmod ) c c**** *gwsetup* c c purpose. c -------- c c** interface. c ---------- c from *orodrag* c c explicit arguments : c -------------------- c ==== inputs === c ==== outputs === c c implicit arguments : none c -------------------- c c method. c ------- c c c externals. c ---------- c c c reference. c ---------- c c see ecmwf research department documentation of the "i.f.s." c c author. c ------- c c modifications. c -------------- c f.lott for the new-gwdrag scheme november 1993 c c----------------------------------------------------------------------- USE dimphy implicit none c cym#include "dimensions.h" cym#include "dimphy.h" #include "YOMCST.h" #include "YOEGWD.h" c----------------------------------------------------------------------- c c* 0.1 arguments c --------- c integer nlon integer jl, jk real zdelp integer kkcrit(nlon),kkcrith(nlon),kcrit(nlon), * ktest(nlon),kkenvh(nlon) c real paphm1(nlon,klev+1),papm1(nlon,klev),pum1(nlon,klev), * pvm1(nlon,klev),ptm1(nlon,klev),pgeom1(nlon,klev), * prho(nlon,klev+1),pri(nlon,klev+1),pstab(nlon,klev+1), * ptau(nlon,klev+1),pvph(nlon,klev+1),ppsi(nlon,klev+1), * pzdep(nlon,klev) real pulow(nlon),pvlow(nlon),ptheta(nlon),pgamma(nlon),pnu(nlon), * pd1(nlon),pd2(nlon),pdmod(nlon) real pstd(nlon),pmea(nlon),ppic(nlon),pval(nlon) c c----------------------------------------------------------------------- c c* 0.2 local arrays c ------------ c c integer ilevm1, ilevm2, ilevh real zcons1, zcons2,zcons3, zhgeo real zu, zphi, zvt1,zvt2, zst, zvar, zdwind, zwind real zstabm, zstabp, zrhom, zrhop, alpha real zggeenv, zggeom1,zgvar logical lo logical ll1(klon,klev+1) integer kknu(klon),kknu2(klon),kknub(klon),kknul(klon), * kentp(klon),ncount(klon) c real zhcrit(klon,klev),zvpf(klon,klev), * zdp(klon,klev) real znorm(klon),zb(klon),zc(klon), * zulow(klon),zvlow(klon),znup(klon),znum(klon) c c ------------------------------------------------------------------ c c* 1. initialization c -------------- c c print *,' entree gwsetup' 100 continue c c ------------------------------------------------------------------ c c* 1.1 computational constants c ----------------------- c 110 continue c ilevm1=klev-1 ilevm2=klev-2 ilevh =klev/3 c zcons1=1./rd cold zcons2=g**2/cpd zcons2=rg**2/rcpd cold zcons3=1.5*api zcons3=1.5*rpi c c c ------------------------------------------------------------------ c c* 2. c -------------- c 200 continue c c ------------------------------------------------------------------ c c* 2.1 define low level wind, project winds in plane of c* low level wind, determine sector in which to take c* the variance and set indicator for critical levels. c c c do 2001 jl=kidia,kfdia kknu(jl) =klev kknu2(jl) =klev kknub(jl) =klev kknul(jl) =klev pgamma(jl) =max(pgamma(jl),gtsec) ll1(jl,klev+1)=.false. 2001 continue c c Ajouter une initialisation (L. Li, le 23fev99): c do jk=klev,ilevh,-1 do jl=kidia,kfdia ll1(jl,jk)= .FALSE. ENDDO ENDDO c c* define top of low level flow c ---------------------------- do 2002 jk=klev,ilevh,-1 do 2003 jl=kidia,kfdia lo=(paphm1(jl,jk)/paphm1(jl,klev+1)).ge.gsigcr if(lo) then kkcrit(jl)=jk endif zhcrit(jl,jk)=ppic(jl) zhgeo=pgeom1(jl,jk)/rg ll1(jl,jk)=(zhgeo.gt.zhcrit(jl,jk)) if(ll1(jl,jk).neqv.ll1(jl,jk+1)) then kknu(jl)=jk endif if(.not.ll1(jl,ilevh))kknu(jl)=ilevh 2003 continue 2002 continue do 2004 jk=klev,ilevh,-1 do 2005 jl=kidia,kfdia zhcrit(jl,jk)=ppic(jl)-pval(jl) zhgeo=pgeom1(jl,jk)/rg ll1(jl,jk)=(zhgeo.gt.zhcrit(jl,jk)) if(ll1(jl,jk).neqv.ll1(jl,jk+1)) then kknu2(jl)=jk endif if(.not.ll1(jl,ilevh))kknu2(jl)=ilevh 2005 continue 2004 continue do 2006 jk=klev,ilevh,-1 do 2007 jl=kidia,kfdia zhcrit(jl,jk)=amax1(ppic(jl)-pmea(jl),pmea(jl)-pval(jl)) zhgeo=pgeom1(jl,jk)/rg ll1(jl,jk)=(zhgeo.gt.zhcrit(jl,jk)) if(ll1(jl,jk).neqv.ll1(jl,jk+1)) then kknub(jl)=jk endif if(.not.ll1(jl,ilevh))kknub(jl)=ilevh 2007 continue 2006 continue c do 2010 jl=kidia,kfdia kknu(jl)=min(kknu(jl),nktopg) kknu2(jl)=min(kknu2(jl),nktopg) kknub(jl)=min(kknub(jl),nktopg) kknul(jl)=klev 2010 continue c 210 continue c c cc* initialize various arrays c do 2107 jl=kidia,kfdia prho(jl,klev+1) =0.0 pstab(jl,klev+1) =0.0 pstab(jl,1) =0.0 pri(jl,klev+1) =9999.0 ppsi(jl,klev+1) =0.0 pri(jl,1) =0.0 pvph(jl,1) =0.0 pulow(jl) =0.0 pvlow(jl) =0.0 zulow(jl) =0.0 zvlow(jl) =0.0 kkcrith(jl) =klev kkenvh(jl) =klev kentp(jl) =klev kcrit(jl) =1 ncount(jl) =0 ll1(jl,klev+1) =.false. 2107 continue c c* define low-level flow c --------------------- c do 223 jk=klev,2,-1 do 222 jl=kidia,kfdia if(ktest(jl).eq.1) then zdp(jl,jk)=papm1(jl,jk)-papm1(jl,jk-1) prho(jl,jk)=2.*paphm1(jl,jk)*zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) pstab(jl,jk)=2.*zcons2/(ptm1(jl,jk)+ptm1(jl,jk-1))* * (1.-rcpd*prho(jl,jk)*(ptm1(jl,jk)-ptm1(jl,jk-1))/zdp(jl,jk)) pstab(jl,jk)=max(pstab(jl,jk),gssec) endif 222 continue 223 continue c c******************************************************************** c c* define blocked flow c ------------------- do 2115 jk=klev,ilevh,-1 do 2116 jl=kidia,kfdia if(jk.ge.kknub(jl).and.jk.le.kknul(jl)) then pulow(jl)=pulow(jl)+pum1(jl,jk)*(paphm1(jl,jk+1)-paphm1(jl,jk)) pvlow(jl)=pvlow(jl)+pvm1(jl,jk)*(paphm1(jl,jk+1)-paphm1(jl,jk)) end if 2116 continue 2115 continue do 2110 jl=kidia,kfdia pulow(jl)=pulow(jl)/(paphm1(jl,kknul(jl)+1)-paphm1(jl,kknub(jl))) pvlow(jl)=pvlow(jl)/(paphm1(jl,kknul(jl)+1)-paphm1(jl,kknub(jl))) znorm(jl)=max(sqrt(pulow(jl)**2+pvlow(jl)**2),gvsec) pvph(jl,klev+1)=znorm(jl) 2110 continue c c******* setup orography axes and define plane of profiles ******* c do 2112 jl=kidia,kfdia lo=(pulow(jl).lt.gvsec).and.(pulow(jl).ge.-gvsec) if(lo) then zu=pulow(jl)+2.*gvsec else zu=pulow(jl) endif zphi=atan(pvlow(jl)/zu) ppsi(jl,klev+1)=ptheta(jl)*rpi/180.-zphi zb(jl)=1.-0.18*pgamma(jl)-0.04*pgamma(jl)**2 zc(jl)=0.48*pgamma(jl)+0.3*pgamma(jl)**2 pd1(jl)=zb(jl)-(zb(jl)-zc(jl))*(sin(ppsi(jl,klev+1))**2) pd2(jl)=(zb(jl)-zc(jl))*sin(ppsi(jl,klev+1))*cos(ppsi(jl,klev+1)) pdmod(jl)=sqrt(pd1(jl)**2+pd2(jl)**2) 2112 continue c c ************ define flow in plane of lowlevel stress ************* c do 213 jk=1,klev do 212 jl=kidia,kfdia if(ktest(jl).eq.1) then zvt1 =pulow(jl)*pum1(jl,jk)+pvlow(jl)*pvm1(jl,jk) zvt2 =-pvlow(jl)*pum1(jl,jk)+pulow(jl)*pvm1(jl,jk) zvpf(jl,jk)=(zvt1*pd1(jl)+zvt2*pd2(jl))/(znorm(jl)*pdmod(jl)) endif ptau(jl,jk) =0.0 pzdep(jl,jk) =0.0 ppsi(jl,jk) =0.0 ll1(jl,jk) =.false. 212 continue 213 continue do 215 jk=2,klev do 214 jl=kidia,kfdia if(ktest(jl).eq.1) then zdp(jl,jk)=papm1(jl,jk)-papm1(jl,jk-1) pvph(jl,jk)=((paphm1(jl,jk)-papm1(jl,jk-1))*zvpf(jl,jk)+ * (papm1(jl,jk)-paphm1(jl,jk))*zvpf(jl,jk-1)) * /zdp(jl,jk) if(pvph(jl,jk).lt.gvsec) then pvph(jl,jk)=gvsec kcrit(jl)=jk endif endif 214 continue 215 continue c c c* 2.2 brunt-vaisala frequency and density at half levels. c 220 continue c do 2211 jk=ilevh,klev do 221 jl=kidia,kfdia if(ktest(jl).eq.1) then if(jk.ge.(kknub(jl)+1).and.jk.le.kknul(jl)) then zst=zcons2/ptm1(jl,jk)*(1.-rcpd*prho(jl,jk)* * (ptm1(jl,jk)-ptm1(jl,jk-1))/zdp(jl,jk)) pstab(jl,klev+1)=pstab(jl,klev+1)+zst*zdp(jl,jk) pstab(jl,klev+1)=max(pstab(jl,klev+1),gssec) prho(jl,klev+1)=prho(jl,klev+1)+paphm1(jl,jk)*2.*zdp(jl,jk) * *zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) endif endif 221 continue 2211 continue c do 2212 jl=kidia,kfdia pstab(jl,klev+1)=pstab(jl,klev+1)/(papm1(jl,kknul(jl)) * -papm1(jl,kknub(jl))) prho(jl,klev+1)=prho(jl,klev+1)/(papm1(jl,kknul(jl)) * -papm1(jl,kknub(jl))) zvar=pstd(jl) 2212 continue c c* 2.3 mean flow richardson number. c* and critical height for froude layer c 230 continue c do 232 jk=2,klev do 231 jl=kidia,kfdia if(ktest(jl).eq.1) then zdwind=max(abs(zvpf(jl,jk)-zvpf(jl,jk-1)),gvsec) pri(jl,jk)=pstab(jl,jk)*(zdp(jl,jk) * /(rg*prho(jl,jk)*zdwind))**2 pri(jl,jk)=max(pri(jl,jk),grcrit) endif 231 continue 232 continue c c c* define top of 'envelope' layer c ---------------------------- do 233 jl=kidia,kfdia pnu (jl)=0.0 znum(jl)=0.0 233 continue do 234 jk=2,klev-1 do 234 jl=kidia,kfdia if(ktest(jl).eq.1) then if (jk.ge.kknub(jl)) then znum(jl)=pnu(jl) zwind=(pulow(jl)*pum1(jl,jk)+pvlow(jl)*pvm1(jl,jk))/ * max(sqrt(pulow(jl)**2+pvlow(jl)**2),gvsec) zwind=max(sqrt(zwind**2),gvsec) zdelp=paphm1(jl,jk+1)-paphm1(jl,jk) zstabm=sqrt(max(pstab(jl,jk ),gssec)) zstabp=sqrt(max(pstab(jl,jk+1),gssec)) zrhom=prho(jl,jk ) zrhop=prho(jl,jk+1) pnu(jl) = pnu(jl) + (zdelp/rg)* * ((zstabp/zrhop+zstabm/zrhom)/2.)/zwind if((znum(jl).le.gfrcrit).and.(pnu(jl).gt.gfrcrit) * .and.(kkenvh(jl).eq.klev)) * kkenvh(jl)=jk endif endif 234 continue c calculation of a dynamical mixing height for the breaking c of gravity waves: do 235 jl=kidia,kfdia znup(jl)=0.0 znum(jl)=0.0 235 continue do 236 jk=klev-1,2,-1 do 236 jl=kidia,kfdia if(ktest(jl).eq.1) then znum(jl)=znup(jl) zwind=(pulow(jl)*pum1(jl,jk)+pvlow(jl)*pvm1(jl,jk))/ * max(sqrt(pulow(jl)**2+pvlow(jl)**2),gvsec) zwind=max(sqrt(zwind**2),gvsec) zdelp=paphm1(jl,jk+1)-paphm1(jl,jk) zstabm=sqrt(max(pstab(jl,jk ),gssec)) zstabp=sqrt(max(pstab(jl,jk+1),gssec)) zrhom=prho(jl,jk ) zrhop=prho(jl,jk+1) znup(jl) = znup(jl) + (zdelp/rg)* * ((zstabp/zrhop+zstabm/zrhom)/2.)/zwind if((znum(jl).le.rpi/2.).and.(znup(jl).gt.rpi/2.) * .and.(kkcrith(jl).eq.klev)) * kkcrith(jl)=jk endif 236 continue do 237 jl=kidia,kfdia kkcrith(jl)=min0(kkcrith(jl),kknu2(jl)) kkcrith(jl)=max0(kkcrith(jl),ilevh*2) 237 continue c c directional info for flow blocking ************************* c do 251 jk=ilevh,klev do 252 jl=kidia,kfdia if(jk.ge.kkenvh(jl)) then lo=(pum1(jl,jk).lt.gvsec).and.(pum1(jl,jk).ge.-gvsec) if(lo) then zu=pum1(jl,jk)+2.*gvsec else zu=pum1(jl,jk) endif zphi=atan(pvm1(jl,jk)/zu) ppsi(jl,jk)=ptheta(jl)*rpi/180.-zphi end if 252 continue 251 continue c forms the vertical 'leakiness' ************************** alpha=3. do 254 jk=ilevh,klev do 253 jl=kidia,kfdia if(jk.ge.kkenvh(jl)) then zggeenv=amax1(1., * (pgeom1(jl,kkenvh(jl))+pgeom1(jl,kkenvh(jl)-1))/2.) zggeom1=amax1(pgeom1(jl,jk),1.) zgvar=amax1(pstd(jl)*rg,1.) cmod pzdep(jl,jk)=sqrt((zggeenv-zggeom1)/(zggeom1+zgvar)) pzdep(jl,jk)=(pgeom1(jl,kkenvh(jl)-1)-pgeom1(jl, jk))/ * (pgeom1(jl,kkenvh(jl)-1)-pgeom1(jl,klev)) end if 253 continue 254 continue 260 continue return end SUBROUTINE gwstress * ( nlon , nlev * , ktest, kcrit, kkenvh * , kknu * , prho , pstab , pvph , pstd, psig * , pmea , ppic , ptau * , pgeom1 , pdmod ) c c**** *gwstress* c c purpose. c -------- c c** interface. c ---------- c call *gwstress* from *gwdrag* c c explicit arguments : c -------------------- c ==== inputs === c ==== outputs === c c implicit arguments : none c -------------------- c c method. c ------- c c c externals. c ---------- c c c reference. c ---------- c c see ecmwf research department documentation of the "i.f.s." c c author. c ------- c c modifications. c -------------- c f. lott put the new gwd on ifs 22/11/93 c c----------------------------------------------------------------------- USE dimphy implicit none cym#include "dimensions.h" cym#include "dimphy.h" #include "YOMCST.h" #include "YOEGWD.h" c----------------------------------------------------------------------- c c* 0.1 arguments c --------- c integer nlon, nlev integer kcrit(nlon), * ktest(nlon),kkenvh(nlon),kknu(nlon) c real prho(nlon,nlev+1),pstab(nlon,nlev+1),ptau(nlon,nlev+1), * pvph(nlon,nlev+1), * pgeom1(nlon,nlev),pstd(nlon) c real psig(nlon) real pmea(nlon),ppic(nlon) real pdmod(nlon) c c----------------------------------------------------------------------- c c* 0.2 local arrays c ------------ integer jl real zblock, zvar, zeff logical lo c c----------------------------------------------------------------------- c c* 0.3 functions c --------- c ------------------------------------------------------------------ c c* 1. initialization c -------------- c 100 continue c c* 3.1 gravity wave stress. c 300 continue c c do 301 jl=kidia,kfdia if(ktest(jl).eq.1) then c effective mountain height above the blocked flow if(kkenvh(jl).eq.klev)then zblock=0.0 else zblock=(pgeom1(jl,kkenvh(jl))+pgeom1(jl,kkenvh(jl)+1))/2./rg endif zvar=ppic(jl)-pmea(jl) zeff=amax1(0.,zvar-zblock) ptau(jl,klev+1)=prho(jl,klev+1)*gkdrag*psig(jl)*zeff**2 * /4./pstd(jl)*pvph(jl,klev+1)*pdmod(jl)*sqrt(pstab(jl,klev+1)) c too small value of stress or low level flow include critical level c or low level flow: gravity wave stress nul. lo=(ptau(jl,klev+1).lt.gtsec).or.(kcrit(jl).ge.kknu(jl)) * .or.(pvph(jl,klev+1).lt.gvcrit) c if(lo) ptau(jl,klev+1)=0.0 else ptau(jl,klev+1)=0.0 endif 301 continue c return end SUBROUTINE GWPROFIL * ( NLON, NLEV * , kgwd, kdx , ktest * , KKCRITH, KCRIT * , PAPHM1, PRHO , PSTAB , PVPH , PRI , PTAU * , pdmod , psig , pvar) C**** *GWPROFIL* C C PURPOSE. C -------- C C** INTERFACE. C ---------- C FROM *GWDRAG* C C EXPLICIT ARGUMENTS : C -------------------- C ==== INPUTS === C ==== OUTPUTS === C C IMPLICIT ARGUMENTS : NONE C -------------------- C C METHOD: C ------- C THE STRESS PROFILE FOR GRAVITY WAVES IS COMPUTED AS FOLLOWS: C IT IS CONSTANT (NO GWD) AT THE LEVELS BETWEEN THE GROUND C AND THE TOP OF THE BLOCKED LAYER (KKENVH). C IT DECREASES LINEARLY WITH HEIGHTS FROM THE TOP OF THE C BLOCKED LAYER TO 3*VAROR (kKNU), TO SIMULATES LEE WAVES OR C NONLINEAR GRAVITY WAVE BREAKING. C ABOVE IT IS CONSTANT, EXCEPT WHEN THE WAVE ENCOUNTERS A CRITICAL C LEVEL (KCRIT) OR WHEN IT BREAKS. C C C C EXTERNALS. C ---------- C C C REFERENCE. C ---------- C C SEE ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE "I.F.S." C C AUTHOR. C ------- C C MODIFICATIONS. C -------------- C PASSAGE OF THE NEW GWDRAG TO I.F.S. (F. LOTT, 22/11/93) C----------------------------------------------------------------------- USE dimphy implicit none C C cym#include "dimensions.h" cym#include "dimphy.h" #include "YOMCST.h" #include "YOEGWD.h" C----------------------------------------------------------------------- C C* 0.1 ARGUMENTS C --------- C integer nlon,nlev INTEGER KKCRITH(NLON),KCRIT(NLON) * ,kdx(nlon) , ktest(nlon) C REAL PAPHM1(NLON,NLEV+1), PSTAB(NLON,NLEV+1), * PRHO (NLON,NLEV+1), PVPH (NLON,NLEV+1), * PRI (NLON,NLEV+1), PTAU(NLON,NLEV+1) REAL pdmod (NLON) , psig(NLON), * pvar(NLON) C----------------------------------------------------------------------- C C* 0.2 LOCAL ARRAYS C ------------ C integer ilevh, ji, kgwd, jl, jk real zsqr, zalfa, zriw, zdel, zb, zalpha,zdz2n real zdelp, zdelpt REAL ZDZ2 (KLON,KLEV) , ZNORM(KLON) , zoro(KLON) REAL ZTAU (KLON,KLEV+1) C C----------------------------------------------------------------------- C C* 1. INITIALIZATION C -------------- C c print *,' entree gwprofil' 100 CONTINUE C C C* COMPUTATIONAL CONSTANTS. C ------------- ---------- C ilevh=KLEV/3 C c DO 400 ji=1,kgwd c jl=kdx(ji) c Modif vectorisation 02/04/2004 DO 400 jl=kidia,kfdia if (ktest(jl).eq.1) then Zoro(JL)=Psig(JL)*Pdmod(JL)/4./max(pvar(jl),1.0) ZTAU(JL,KLEV+1)=PTAU(JL,KLEV+1) endif 400 CONTINUE C DO 430 JK=KLEV,2,-1 C C C* 4.1 CONSTANT WAVE STRESS UNTIL TOP OF THE C BLOCKING LAYER. 410 CONTINUE C c DO 411 ji=1,kgwd c jl=kdx(ji) c Modif vectorisation 02/04/2004 do 411 jl=kidia,kfdia if (ktest(jl).eq.1) then IF(JK.GT.KKCRITH(JL)) THEN PTAU(JL,JK)=ZTAU(JL,KLEV+1) C ENDIF C IF(JK.EQ.KKCRITH(JL)) THEN ELSE PTAU(JL,JK)=GRAHILO*ZTAU(JL,KLEV+1) ENDIF endif 411 CONTINUE C C* 4.15 CONSTANT SHEAR STRESS UNTIL THE TOP OF THE C LOW LEVEL FLOW LAYER. 415 CONTINUE C C C* 4.2 WAVE DISPLACEMENT AT NEXT LEVEL. C 420 CONTINUE C c DO 421 ji=1,kgwd c jl=kdx(ji) c Modif vectorisation 02/04/2004 do 421 jl=kidia,kfdia if(ktest(jl).eq.1) then IF(JK.LT.KKCRITH(JL)) THEN ZNORM(JL)=gkdrag*PRHO(JL,JK)*SQRT(PSTAB(JL,JK))*PVPH(JL,JK) * *zoro(jl) ZDZ2(JL,JK)=PTAU(JL,JK+1)/max(ZNORM(JL),gssec) ENDIF endif 421 CONTINUE C C* 4.3 WAVE RICHARDSON NUMBER, NEW WAVE DISPLACEMENT C* AND STRESS: BREAKING EVALUATION AND CRITICAL C LEVEL C c DO 431 ji=1,kgwd c jl=Kdx(ji) c Modif vectorisation 02/04/2004 do 431 jl=kidia,kfdia if(ktest(jl).eq.1) then IF(JK.LT.KKCRITH(JL)) THEN IF((PTAU(JL,JK+1).LT.GTSEC).OR.(JK.LE.KCRIT(JL))) THEN PTAU(JL,JK)=0.0 ELSE ZSQR=SQRT(PRI(JL,JK)) ZALFA=SQRT(PSTAB(JL,JK)*ZDZ2(JL,JK))/PVPH(JL,JK) ZRIW=PRI(JL,JK)*(1.-ZALFA)/(1+ZALFA*ZSQR)**2 IF(ZRIW.LT.GRCRIT) THEN ZDEL=4./ZSQR/GRCRIT+1./GRCRIT**2+4./GRCRIT ZB=1./GRCRIT+2./ZSQR ZALPHA=0.5*(-ZB+SQRT(ZDEL)) ZDZ2N=(PVPH(JL,JK)*ZALPHA)**2/PSTAB(JL,JK) PTAU(JL,JK)=ZNORM(JL)*ZDZ2N ELSE PTAU(JL,JK)=ZNORM(JL)*ZDZ2(JL,JK) ENDIF PTAU(JL,JK)=MIN(PTAU(JL,JK),PTAU(JL,JK+1)) ENDIF ENDIF endif 431 CONTINUE 430 CONTINUE 440 CONTINUE C REORGANISATION OF THE STRESS PROFILE AT LOW LEVEL c DO 530 ji=1,kgwd c jl=kdx(ji) c Modif vectorisation 02/04/2004 do 530 jl=kidia,kfdia if(ktest(jl).eq.1) then ZTAU(JL,KKCRITH(JL))=PTAU(JL,KKCRITH(JL)) ZTAU(JL,NSTRA)=PTAU(JL,NSTRA) endif 530 CONTINUE DO 531 JK=1,KLEV c DO 532 ji=1,kgwd c jl=kdx(ji) c Modif vectorisation 02/04/2004 do 532 jl=kidia,kfdia if(ktest(jl).eq.1) then IF(JK.GT.KKCRITH(JL))THEN ZDELP=PAPHM1(JL,JK)-PAPHM1(JL,KLEV+1 ) ZDELPT=PAPHM1(JL,KKCRITH(JL))-PAPHM1(JL,KLEV+1 ) PTAU(JL,JK)=ZTAU(JL,KLEV+1 ) + . (ZTAU(JL,KKCRITH(JL))-ZTAU(JL,KLEV+1 ) )* . ZDELP/ZDELPT ENDIF endif 532 CONTINUE C REORGANISATION IN THE STRATOSPHERE c DO 533 ji=1,kgwd c jl=kdx(ji) c Modif vectorisation 02/04/2004 do 533 jl=kidia,kfdia if(ktest(jl).eq.1) then IF(JK.LT.NSTRA)THEN ZDELP =PAPHM1(JL,NSTRA) ZDELPT=PAPHM1(JL,JK) PTAU(JL,JK)=ZTAU(JL,NSTRA)*ZDELPT/ZDELP ENDIF endif 533 CONTINUE C REORGANISATION IN THE TROPOSPHERE c DO 534 ji=1,kgwd c jl=kdx(ji) c Modif vectorisation 02/04/2004 do 534 jl=kidia,kfdia if(ktest(jl).eq.1) then IF(JK.LT.KKCRITH(JL).AND.JK.GT.NSTRA)THEN ZDELP=PAPHM1(JL,JK)-PAPHM1(JL,KKCRITH(JL)) ZDELPT=PAPHM1(JL,NSTRA)-PAPHM1(JL,KKCRITH(JL)) PTAU(JL,JK)=ZTAU(JL,KKCRITH(JL)) + * (ZTAU(JL,NSTRA)-ZTAU(JL,KKCRITH(JL)))*ZDELP . /ZDELPT ENDIF endif 534 CONTINUE 531 CONTINUE RETURN END SUBROUTINE lift_noro (nlon,nlev,dtime,paprs,pplay, e plat,pmea,pstd, ppic, e ktest, e t, u, v, s pulow, pvlow, pustr, pvstr, s d_t, d_u, d_v) c USE dimphy IMPLICIT none c====================================================================== c Auteur(s): F.Lott (LMD/CNRS) date: 19950201 c Objet: Frottement de la montagne Interface c====================================================================== c Arguments: c dtime---input-R- pas d'integration (s) c paprs---input-R-pression pour chaque inter-couche (en Pa) c pplay---input-R-pression pour le mileu de chaque couche (en Pa) c t-------input-R-temperature (K) c u-------input-R-vitesse horizontale (m/s) c v-------input-R-vitesse horizontale (m/s) c c d_t-----output-R-increment de la temperature c d_u-----output-R-increment de la vitesse u c d_v-----output-R-increment de la vitesse v c====================================================================== cym#include "dimensions.h" cym#include "dimphy.h" #include "YOMCST.h" c c ARGUMENTS c INTEGER nlon,nlev REAL dtime REAL paprs(klon,klev+1) REAL pplay(klon,klev) REAL plat(nlon),pmea(nlon) REAL pstd(nlon) REAL ppic(nlon) REAL pulow(nlon),pvlow(nlon),pustr(nlon),pvstr(nlon) REAL t(nlon,nlev), u(nlon,nlev), v(nlon,nlev) REAL d_t(nlon,nlev), d_u(nlon,nlev), d_v(nlon,nlev) c INTEGER i, k, ktest(nlon) c c Variables locales: c REAL zgeom(klon,klev) REAL pdtdt(klon,klev), pdudt(klon,klev), pdvdt(klon,klev) REAL pt(klon,klev), pu(klon,klev), pv(klon,klev) REAL papmf(klon,klev),papmh(klon,klev+1) c c initialiser les variables de sortie (pour securite) c DO i = 1,klon pulow(i) = 0.0 pvlow(i) = 0.0 pustr(i) = 0.0 pvstr(i) = 0.0 ENDDO DO k = 1, klev DO i = 1, klon d_t(i,k) = 0.0 d_u(i,k) = 0.0 d_v(i,k) = 0.0 pdudt(i,k)=0.0 pdvdt(i,k)=0.0 pdtdt(i,k)=0.0 ENDDO ENDDO c c preparer les variables d'entree (attention: l'ordre des niveaux c verticaux augmente du haut vers le bas) c DO k = 1, klev DO i = 1, klon pt(i,k) = t(i,klev-k+1) pu(i,k) = u(i,klev-k+1) pv(i,k) = v(i,klev-k+1) papmf(i,k) = pplay(i,klev-k+1) ENDDO ENDDO DO k = 1, klev+1 DO i = 1, klon papmh(i,k) = paprs(i,klev-k+2) ENDDO ENDDO DO i = 1, klon zgeom(i,klev) = RD * pt(i,klev) . * LOG(papmh(i,klev+1)/papmf(i,klev)) ENDDO DO k = klev-1, 1, -1 DO i = 1, klon zgeom(i,k) = zgeom(i,k+1) + RD * (pt(i,k)+pt(i,k+1))/2.0 . * LOG(papmf(i,k+1)/papmf(i,k)) ENDDO ENDDO c c appeler la routine principale c CALL OROLIFT(klon,klev,ktest, . dtime, . papmh, zgeom, . pt, pu, pv, . plat,pmea, pstd, ppic, . pulow,pvlow, . pdudt,pdvdt,pdtdt) C DO k = 1, klev DO i = 1, klon d_u(i,klev+1-k) = dtime*pdudt(i,k) d_v(i,klev+1-k) = dtime*pdvdt(i,k) d_t(i,klev+1-k) = dtime*pdtdt(i,k) pustr(i) = pustr(i) cIM BUG . +RG*pdudt(i,k)*(papmh(i,k+1)-papmh(i,k)) . +pdudt(i,k)*(papmh(i,k+1)-papmh(i,k))/RG pvstr(i) = pvstr(i) cIM BUG . +RG*pdvdt(i,k)*(papmh(i,k+1)-papmh(i,k)) . +pdvdt(i,k)*(papmh(i,k+1)-papmh(i,k))/RG ENDDO ENDDO c RETURN END SUBROUTINE OROLIFT( NLON,NLEV I , KTEST R , PTSPHY R , PAPHM1,PGEOM1,PTM1,PUM1,PVM1 R , PLAT R , PMEA, PVAROR, ppic C OUTPUTS R , PULOW,PVLOW R , PVOM,PVOL,PTE ) C C**** *OROLIFT: SIMULATE THE GEOSTROPHIC LIFT. C C PURPOSE. C -------- C C** INTERFACE. C ---------- C CALLED FROM *lift_noro C ---------- C C AUTHOR. C ------- C F.LOTT LMD 22/11/95 C USE dimphy implicit none C C cym#include "dimensions.h" cym#include "dimphy.h" #include "YOMCST.h" #include "YOEGWD.h" C----------------------------------------------------------------------- C C* 0.1 ARGUMENTS C --------- C C integer nlon, nlev REAL PTE(NLON,NLEV), * PVOL(NLON,NLEV), * PVOM(NLON,NLEV), * PULOW(NLON), * PVLOW(NLON) REAL PUM1(NLON,NLEV), * PVM1(NLON,NLEV), * PTM1(NLON,NLEV), * PLAT(NLON),PMEA(NLON), * PVAROR(NLON), * ppic(NLON), * PGEOM1(NLON,NLEV), * PAPHM1(NLON,NLEV+1) C INTEGER KTEST(NLON) real ptsphy C----------------------------------------------------------------------- C C* 0.2 LOCAL ARRAYS C ------------ logical lifthigh cym integer klevm1, jl, ilevh, jk integer jl, ilevh, jk real zcons1, ztmst, zrtmst,zpi, zhgeo real zdelp, zslow, zsqua, zscav, zbet INTEGER * IKNUB(klon), * IKNUL(klon) LOGICAL LL1(KLON,KLEV+1) C REAL ZTAU(KLON,KLEV+1), * ZTAV(KLON,KLEV+1), * ZRHO(KLON,KLEV+1) REAL ZDUDT(KLON), * ZDVDT(KLON) REAL ZHCRIT(KLON,KLEV) CHARACTER (LEN=20) :: modname='orografi' CHARACTER (LEN=80) :: abort_message C----------------------------------------------------------------------- C C* 1.1 INITIALIZATIONS C --------------- LIFTHIGH=.FALSE. IF(NLON.NE.KLON.OR.NLEV.NE.KLEV)THEN abort_message = 'pb dimension' CALL abort_gcm (modname,abort_message,1) ENDIF ZCONS1=1./RD cym KLEVM1=KLEV-1 ZTMST=PTSPHY ZRTMST=1./ZTMST ZPI=ACOS(-1.) C DO 1001 JL=kidia,kfdia ZRHO(JL,KLEV+1) =0.0 PULOW(JL) =0.0 PVLOW(JL) =0.0 iknub(JL) =klev iknul(JL) =klev ilevh=klev/3 ll1(jl,klev+1)=.false. DO 1000 JK=1,KLEV PVOM(JL,JK)=0.0 PVOL(JL,JK)=0.0 PTE (JL,JK)=0.0 1000 CONTINUE 1001 CONTINUE C C* 2.1 DEFINE LOW LEVEL WIND, PROJECT WINDS IN PLANE OF C* LOW LEVEL WIND, DETERMINE SECTOR IN WHICH TO TAKE C* THE VARIANCE AND SET INDICATOR FOR CRITICAL LEVELS. C C C DO 2006 JK=KLEV,1,-1 DO 2007 JL=kidia,kfdia IF(KTEST(JL).EQ.1) THEN ZHCRIT(JL,JK)=amax1(Ppic(JL)-pmea(JL),100.) ZHGEO=PGEOM1(JL,JK)/RG ll1(JL,JK)=(ZHGEO.GT.ZHCRIT(JL,JK)) IF(ll1(JL,JK).neqv.ll1(JL,JK+1)) THEN iknub(JL)=JK ENDIF ENDIF 2007 CONTINUE 2006 CONTINUE C do 2010 jl=kidia,kfdia IF(KTEST(JL).EQ.1) THEN iknub(jl)=max(iknub(jl),klev/2) iknul(jl)=max(iknul(jl),2*klev/3) if(iknub(jl).gt.nktopg) iknub(jl)=nktopg if(iknub(jl).eq.nktopg) iknul(jl)=klev if(iknub(jl).eq.iknul(jl)) iknub(jl)=iknul(jl)-1 ENDIF 2010 continue C do 2011 jl=kidia,kfdia C IF(KTEST(JL).EQ.1) THEN C print *,' iknul= ',iknul(jl),' iknub=',iknub(jl) C ENDIF C2011 continue C PRINT *,' DANS OROLIFT: 2010' DO 223 JK=KLEV,2,-1 DO 222 JL=kidia,kfdia ZRHO(JL,JK)=2.*PAPHM1(JL,JK)*ZCONS1/(PTM1(JL,JK)+PTM1(JL,JK-1)) 222 CONTINUE 223 CONTINUE C PRINT *,' DANS OROLIFT: 223' C******************************************************************** C C* DEFINE LOW LEVEL FLOW C ------------------- DO 2115 JK=klev,1,-1 DO 2116 JL=kidia,kfdia IF(KTEST(JL).EQ.1) THEN if(jk.ge.iknub(jl).and.jk.le.iknul(jl)) then pulow(JL)=pulow(JL)+PUM1(JL,JK)*(PAPHM1(JL,JK+1)-PAPHM1(JL,JK)) pvlow(JL)=pvlow(JL)+PVM1(JL,JK)*(PAPHM1(JL,JK+1)-PAPHM1(JL,JK)) zrho(JL,klev+1)=zrho(JL,klev+1) * +zrho(JL,JK)*(PAPHM1(JL,JK+1)-PAPHM1(JL,JK)) end if ENDIF 2116 CONTINUE 2115 CONTINUE DO 2110 JL=kidia,kfdia IF(KTEST(JL).EQ.1) THEN pulow(JL)=pulow(JL)/(PAPHM1(JL,iknul(jl)+1)-PAPHM1(JL,iknub(jl))) pvlow(JL)=pvlow(JL)/(PAPHM1(JL,iknul(jl)+1)-PAPHM1(JL,iknub(jl))) zrho(JL,klev+1)=zrho(JL,klev+1) * /(PAPHM1(JL,iknul(jl)+1)-PAPHM1(JL,iknub(jl))) ENDIF 2110 CONTINUE 200 CONTINUE C*********************************************************** C C* 3. COMPUTE MOUNTAIN LIFT C 300 CONTINUE C DO 301 JL=kidia,kfdia IF(KTEST(JL).EQ.1) THEN ZTAU(JL,KLEV+1)= - GKLIFT*ZRHO(JL,KLEV+1)*2.*ROMEGA* C * (2*PVAROR(JL)+PMEA(JL))* * 2*PVAROR(JL)* * SIN(ZPI/180.*PLAT(JL))*PVLOW(JL) ZTAV(JL,KLEV+1)= GKLIFT*ZRHO(JL,KLEV+1)*2.*ROMEGA* C * (2*PVAROR(JL)+PMEA(JL))* * 2*PVAROR(JL)* * SIN(ZPI/180.*PLAT(JL))*PULOW(JL) ELSE ZTAU(JL,KLEV+1)=0.0 ZTAV(JL,KLEV+1)=0.0 ENDIF 301 CONTINUE C C* 4. COMPUTE LIFT PROFILE C* -------------------- C 400 CONTINUE DO 401 JK=1,KLEV DO 401 JL=kidia,kfdia IF(KTEST(JL).EQ.1) THEN ZTAU(JL,JK)=ZTAU(JL,KLEV+1)*PAPHM1(JL,JK)/PAPHM1(JL,KLEV+1) ZTAV(JL,JK)=ZTAV(JL,KLEV+1)*PAPHM1(JL,JK)/PAPHM1(JL,KLEV+1) ELSE ZTAU(JL,JK)=0.0 ZTAV(JL,JK)=0.0 ENDIF 401 CONTINUE C C C* 5. COMPUTE TENDENCIES. C* ------------------- IF(LIFTHIGH)THEN C 500 CONTINUE C PRINT *,' DANS OROLIFT: 500' C C EXPLICIT SOLUTION AT ALL LEVELS C DO 524 JK=1,klev DO 523 JL=KIDIA,KFDIA IF(KTEST(JL).EQ.1) THEN ZDELP=PAPHM1(JL,JK+1)-PAPHM1(JL,JK) ZDUDT(JL)=-RG*(ZTAU(JL,JK+1)-ZTAU(JL,JK))/ZDELP ZDVDT(JL)=-RG*(ZTAV(JL,JK+1)-ZTAV(JL,JK))/ZDELP ENDIF 523 CONTINUE 524 CONTINUE C C PROJECT PERPENDICULARLY TO U NOT TO DESTROY ENERGY C DO 530 JK=1,klev DO 530 JL=KIDIA,KFDIA IF(KTEST(JL).EQ.1) THEN ZSLOW=SQRT(PULOW(JL)**2+PVLOW(JL)**2) ZSQUA=AMAX1(SQRT(PUM1(JL,JK)**2+PVM1(JL,JK)**2),GVSEC) ZSCAV=-ZDUDT(JL)*PVM1(JL,JK)+ZDVDT(JL)*PUM1(JL,JK) IF(ZSQUA.GT.GVSEC)THEN PVOM(JL,JK)=-ZSCAV*PVM1(JL,JK)/ZSQUA**2 PVOL(JL,JK)= ZSCAV*PUM1(JL,JK)/ZSQUA**2 ELSE PVOM(JL,JK)=0.0 PVOL(JL,JK)=0.0 ENDIF ZSQUA=SQRT(PUM1(JL,JK)**2+PUM1(JL,JK)**2) IF(ZSQUA.LT.ZSLOW)THEN PVOM(JL,JK)=ZSQUA/ZSLOW*PVOM(JL,JK) PVOL(JL,JK)=ZSQUA/ZSLOW*PVOL(JL,JK) ENDIF ENDIF 530 CONTINUE C C 6. LOW LEVEL LIFT, SEMI IMPLICIT: C ---------------------------------- ELSE DO 601 JL=KIDIA,KFDIA IF(KTEST(JL).EQ.1) THEN DO JK=KLEV,IKNUB(JL),-1 ZBET=GKLIFT*2.*ROMEGA*SIN(ZPI/180.*PLAT(JL))*ztmst* * (PGEOM1(JL,IKNUB(JL)-1)-PGEOM1(JL, JK))/ * (PGEOM1(JL,IKNUB(JL)-1)-PGEOM1(JL,KLEV)) ZDUDT(JL)=-PUM1(JL,JK)/ztmst/(1+ZBET**2) ZDVDT(JL)=-PVM1(JL,JK)/ztmst/(1+ZBET**2) PVOM(JL,JK)= ZBET**2*ZDUDT(JL) - ZBET *ZDVDT(JL) PVOL(JL,JK)= ZBET *ZDUDT(JL) + ZBET**2*ZDVDT(JL) ENDDO ENDIF 601 CONTINUE ENDIF RETURN END SUBROUTINE SUGWD(NLON,NLEV,paprs,pplay) USE dimphy USE mod_phys_lmdz_para USE mod_grid_phy_lmdz c USE parallel C C**** *SUGWD* INITIALIZE COMMON YOEGWD CONTROLLING GRAVITY WAVE DRAG C C PURPOSE. C -------- C INITIALIZE YOEGWD, THE COMMON THAT CONTROLS THE C GRAVITY WAVE DRAG PARAMETRIZATION. C C** INTERFACE. C ---------- C CALL *SUGWD* FROM *SUPHEC* C ----- ------ C C EXPLICIT ARGUMENTS : C -------------------- C PSIG : VERTICAL COORDINATE TABLE C NLEV : NUMBER OF MODEL LEVELS C C IMPLICIT ARGUMENTS : C -------------------- C COMMON YOEGWD C C METHOD. C ------- C SEE DOCUMENTATION C C EXTERNALS. C ---------- C NONE C C REFERENCE. C ---------- C ECMWF Research Department documentation of the IFS C C AUTHOR. C ------- C MARTIN MILLER *ECMWF* C C MODIFICATIONS. C -------------- C ORIGINAL : 90-01-01 C ------------------------------------------------------------------ implicit none C C ----------------------------------------------------------------- #include "YOEGWD.h" C ---------------------------------------------------------------- C integer nlon,nlev, jk REAL paprs(nlon,nlev+1) REAL pplay(nlon,nlev) real zpr,zstra,zsigt,zpm1r REAL :: pplay_glo(klon_glo,nlev) REAL :: paprs_glo(klon_glo,nlev+1) C C* 1. SET THE VALUES OF THE PARAMETERS C -------------------------------- C 100 CONTINUE C PRINT *,' DANS SUGWD NLEV=',NLEV GHMAX=10000. C ZPR=100000. ZSTRA=0.1 ZSIGT=0.94 cold ZPR=80000. cold ZSIGT=0.85 C CALL gather(pplay,pplay_glo) CALL bcast(pplay_glo) CALL gather(paprs,paprs_glo) CALL bcast(paprs_glo) DO 110 JK=1,NLEV ZPM1R=pplay_glo((klon_glo/2)+1,jk)/paprs_glo((klon_glo/2)+1,1) IF(ZPM1R.GE.ZSIGT)THEN nktopg=JK ENDIF ZPM1R=pplay_glo((klon_glo/2)+1,jk)/paprs_glo((klon_glo/2)+1,1) IF(ZPM1R.GE.ZSTRA)THEN NSTRA=JK ENDIF 110 CONTINUE c c inversion car dans orodrag on compte les niveaux a l'envers nktopg=nlev-nktopg+1 nstra=nlev-nstra print *,' DANS SUGWD nktopg=', nktopg print *,' DANS SUGWD nstra=', nstra C GSIGCR=0.80 C GKDRAG=0.2 GRAHILO=1. GRCRIT=0.01 GFRCRIT=1.0 GKWAKE=0.50 C GKLIFT=0.50 GVCRIT =0.0 C C C ---------------------------------------------------------------- C C* 2. SET VALUES OF SECURITY PARAMETERS C --------------------------------- C 200 CONTINUE C GVSEC=0.10 GSSEC=1.E-12 C GTSEC=1.E-07 C C ---------------------------------------------------------------- C RETURN END