! ! $Id: wake.F 1336 2010-04-01 12:27:52Z ymeurdesoif $ ! Subroutine WAKE (p,ph,pi,dtime,sigd_con : ,te0,qe0,omgb : ,dtdwn,dqdwn,amdwn,amup,dta,dqa : ,wdtPBL,wdqPBL,udtPBL,udqPBL o ,deltatw,deltaqw,dth,hw,sigmaw,wape,fip,gfl o ,dtls,dqls o ,ktopw,omgbdth,dp_omgb,wdens o ,tu,qu o ,dtKE,dqKE o ,dtPBL,dqPBL o ,omg,dp_deltomg,spread o ,Cstar,d_deltat_gw o ,d_deltatw2,d_deltaqw2) *************************************************************** * * * WAKE * * retour a un Pupper fixe * * * * written by : GRANDPEIX Jean-Yves 09/03/2000 * * modified by : ROEHRIG Romain 01/29/2007 * *************************************************************** c use dimphy IMPLICIT none c============================================================================ C C C But : Decrire le comportement des poches froides apparaissant dans les C grands systemes convectifs, et fournir l'energie disponible pour C le declenchement de nouvelles colonnes convectives. C C Variables d'etat : deltatw : ecart de temperature wake-undisturbed area C deltaqw : ecart d'humidite wake-undisturbed area C sigmaw : fraction d'aire occupee par la poche. C C Variable de sortie : c c wape : WAke Potential Energy c fip : Front Incident Power (W/m2) - ALP c gfl : Gust Front Length per unit area (m-1) C dtls : large scale temperature tendency due to wake C dqls : large scale humidity tendency due to wake C hw : hauteur de la poche C dp_omgb : vertical gradient of large scale omega C wdens : densite de poches C omgbdth: flux of Delta_Theta transported by LS omega C dtKE : differential heating (wake - unpertubed) C dqKE : differential moistening (wake - unpertubed) C omg : Delta_omg =vertical velocity diff. wake-undist. (Pa/s) C dp_deltomg : vertical gradient of omg (s-1) C spread : spreading term in dt_wake and dq_wake C deltatw : updated temperature difference (T_w-T_u). C deltaqw : updated humidity difference (q_w-q_u). C sigmaw : updated wake fractional area. C d_deltat_gw : delta T tendency due to GW c C Variables d'entree : c c aire : aire de la maille c te0 : temperature dans l'environnement (K) C qe0 : humidite dans l'environnement (kg/kg) C omgb : vitesse verticale moyenne sur la maille (Pa/s) C dtdwn: source de chaleur due aux descentes (K/s) C dqdwn: source d'humidite due aux descentes (kg/kg/s) C dta : source de chaleur due courants satures et detrain (K/s) C dqa : source d'humidite due aux courants satures et detra (kg/kg/s) C amdwn: flux de masse total des descentes, par unite de C surface de la maille (kg/m2/s) C amup : flux de masse total des ascendances, par unite de C surface de la maille (kg/m2/s) C p : pressions aux milieux des couches (Pa) C ph : pressions aux interfaces (Pa) C pi : (p/p_0)**kapa (adim) C dtime: increment temporel (s) c C Variables internes : c c rhow : masse volumique de la poche froide C rho : environment density at P levels C rhoh : environment density at Ph levels C te : environment temperature | may change within C qe : environment humidity | sub-time-stepping C the : environment potential temperature C thu : potential temperature in undisturbed area C tu : temperature in undisturbed area C qu : humidity in undisturbed area C dp_omgb: vertical gradient og LS omega C omgbw : wake average vertical omega C dp_omgbw: vertical gradient of omgbw C omgbdq : flux of Delta_q transported by LS omega C dth : potential temperature diff. wake-undist. C th1 : first pot. temp. for vertical advection (=thu) C th2 : second pot. temp. for vertical advection (=thw) C q1 : first humidity for vertical advection C q2 : second humidity for vertical advection C d_deltatw : terme de redistribution pour deltatw C d_deltaqw : terme de redistribution pour deltaqw C deltatw0 : deltatw initial C deltaqw0 : deltaqw initial C hw0 : hw initial C sigmaw0: sigmaw initial C amflux : horizontal mass flux through wake boundary C wdens_ref: initial number of wakes per unit area (3D) or per C unit length (2D), at the beginning of each time step C Tgw : 1 sur la période de onde de gravité c Cgw : vitesse de propagation de onde de gravité c LL : distance entre 2 poches c------------------------------------------------------------------------- c Déclaration de variables c------------------------------------------------------------------------- #include "dimensions.h" #include "YOMCST.h" #include "cvthermo.h" #include "iniprint.h" c Arguments en entree c-------------------- REAL, dimension(klon,klev) :: p, pi REAL, dimension(klon,klev+1) :: ph, omgb REAL dtime REAL, dimension(klon,klev) :: te0,qe0 REAL, dimension(klon,klev) :: dtdwn, dqdwn REAL, dimension(klon,klev) :: wdtPBL,wdqPBL REAL, dimension(klon,klev) :: udtPBL,udqPBL REAL, dimension(klon,klev) :: amdwn, amup REAL, dimension(klon,klev) :: dta, dqa REAL, dimension(klon) :: sigd_con c Sorties c-------- REAL, dimension(klon,klev) :: deltatw, deltaqw, dth REAL, dimension(klon,klev) :: tu, qu REAL, dimension(klon,klev) :: dtls, dqls REAL, dimension(klon,klev) :: dtKE, dqKE REAL, dimension(klon,klev) :: dtPBL, dqPBL REAL, dimension(klon,klev) :: spread REAL, dimension(klon,klev) :: d_deltatgw REAL, dimension(klon,klev) :: d_deltatw2, d_deltaqw2 REAL, dimension(klon,klev+1) :: omgbdth, omg REAL, dimension(klon,klev) :: dp_omgb, dp_deltomg REAL, dimension(klon,klev) :: d_deltat_gw REAL, dimension(klon) :: hw, sigmaw, wape, fip, gfl, Cstar REAL, dimension(klon) :: wdens INTEGER, dimension(klon) :: ktopw c Variables internes c------------------- c Variables à fixer REAL ALON REAL coefgw REAL :: wdens_ref REAL stark REAL alpk REAL delta_t_min INTEGER nsub REAL dtimesub REAL sigmad, hwmin,wapecut REAL :: sigmaw_max REAL :: dens_rate REAL wdens0 cIM 080208 LOGICAL, dimension(klon) :: gwake c Variables de sauvegarde REAL, dimension(klon,klev) :: deltatw0 REAL, dimension(klon,klev) :: deltaqw0 REAL, dimension(klon,klev) :: te, qe REAL, dimension(klon) :: sigmaw0, sigmaw1 c Variables pour les GW REAL, DIMENSION(klon) :: LL REAL, dimension(klon,klev) :: N2 REAL, dimension(klon,klev) :: Cgw REAL, dimension(klon,klev) :: Tgw c Variables liées au calcul de hw REAL, DIMENSION(klon) :: ptop_provis, ptop, ptop_new REAL, DIMENSION(klon) :: sum_dth REAL, DIMENSION(klon) :: dthmin REAL, DIMENSION(klon) :: z, dz, hw0 INTEGER, DIMENSION(klon) :: ktop, kupper c Sub-timestep tendencies and related variables REAL d_deltatw(klon,klev),d_deltaqw(klon,klev) REAL d_te(klon,klev),d_qe(klon,klev) REAL d_sigmaw(klon),alpha(klon) REAL q0_min(klon),q1_min(klon) LOGICAL wk_adv(klon), OK_qx_qw(klon) REAL epsilon DATA epsilon/1.e-15/ c Autres variables internes INTEGER isubstep, k, i REAL, DIMENSION(klon) :: sum_thu, sum_tu, sum_qu,sum_thvu REAL, DIMENSION(klon) :: sum_dq, sum_rho REAL, DIMENSION(klon) :: sum_dtdwn, sum_dqdwn REAL, DIMENSION(klon) :: av_thu, av_tu, av_qu, av_thvu REAL, DIMENSION(klon) :: av_dth, av_dq, av_rho REAL, DIMENSION(klon) :: av_dtdwn, av_dqdwn REAL, DIMENSION(klon,klev) :: rho, rhow REAL, DIMENSION(klon,klev+1) :: rhoh REAL, DIMENSION(klon,klev) :: rhow_moyen REAL, DIMENSION(klon,klev) :: zh REAL, DIMENSION(klon,klev+1) :: zhh REAL, DIMENSION(klon,klev) :: epaisseur1, epaisseur2 REAL, DIMENSION(klon,klev) :: the, thu ! REAL, DIMENSION(klon,klev) :: d_deltatw, d_deltaqw REAL, DIMENSION(klon,klev+1) :: omgbw REAL, DIMENSION(klon) :: pupper REAL, DIMENSION(klon) :: omgtop REAL, DIMENSION(klon,klev) :: dp_omgbw REAL, DIMENSION(klon) :: ztop, dztop REAL, DIMENSION(klon,klev) :: alpha_up REAL, dimension(klon) :: RRe1, RRe2 REAL :: RRd1, RRd2 REAL, DIMENSION(klon,klev) :: Th1, Th2, q1, q2 REAL, DIMENSION(klon,klev) :: D_Th1, D_Th2, D_dth REAL, DIMENSION(klon,klev) :: D_q1, D_q2, D_dq REAL, DIMENSION(klon,klev) :: omgbdq REAL, dimension(klon) :: ff, gg REAL, dimension(klon) :: wape2, Cstar2, heff REAL, DIMENSION(klon,klev) :: Crep REAL Crep_upper, Crep_sol REAL, DIMENSION(klon,klev) :: ppi ccc nrlmd real, dimension(klon) :: death_rate,nat_rate real, dimension(klon,klev) :: entr real, dimension(klon,klev) :: detr C------------------------------------------------------------------------- c Initialisations c------------------------------------------------------------------------- c print*, 'wake initialisations' c Essais d'initialisation avec sigmaw = 0.02 et hw = 10. c------------------------------------------------------------------------- DATA wapecut,sigmad, hwmin /5.,.02,10./ ccc nrlmd DATA sigmaw_max /0.4/ DATA dens_rate /0.1/ ccc C Longueur de maille (en m) c------------------------------------------------------------------------- c ALON = 3.e5 ALON = 1.e6 C Configuration de coefgw,stark,wdens (22/02/06 by YU Jingmei) c c coefgw : Coefficient pour les ondes de gravité c stark : Coefficient k dans Cstar=k*sqrt(2*WAPE) c wdens : Densité de poche froide par maille c------------------------------------------------------------------------- ccc nrlmd coefgw=10 c coefgw=1 c wdens0 = 1.0/(alon**2) ccc nrlmd wdens = 1.0/(alon**2) ccc nrlmd stark = 0.50 cCRtest ccc nrlmd alpk=0.1 c alpk = 1.0 c alpk = 0.5 c alpk = 0.05 c stark = 0.33 Alpk = 0.25 wdens_ref = 8.e-12 coefgw = 4. Crep_upper=0.9 Crep_sol=1.0 ccc nrlmd Lecture du fichier wake_param.data OPEN(99,file='wake_param.data',status='old', $ form='formatted',err=9999) READ(99,*,end=9998) stark READ(99,*,end=9998) Alpk READ(99,*,end=9998) wdens_ref READ(99,*,end=9998) coefgw 9998 Continue CLOSE(99) 9999 Continue c c Initialisation de toutes des densites a wdens_ref. c Les densites peuvent evoluer si les poches debordent c (voir au tout debut de la boucle sur les substeps) wdens = wdens_ref c c print*,'stark',stark c print*,'alpk',alpk c print*,'wdens',wdens c print*,'coefgw',coefgw ccc C Minimum value for |T_wake - T_undist|. Used for wake top definition c------------------------------------------------------------------------- delta_t_min = 0.2 C 1. - Save initial values and initialize tendencies C -------------------------------------------------- DO k=1,klev DO i=1, klon ppi(i,k)=pi(i,k) deltatw0(i,k) = deltatw(i,k) deltaqw0(i,k)= deltaqw(i,k) te(i,k) = te0(i,k) qe(i,k) = qe0(i,k) dtls(i,k) = 0. dqls(i,k) = 0. d_deltat_gw(i,k)=0. d_te(i,k) = 0. d_qe(i,k) = 0. d_deltatw(i,k) = 0. d_deltaqw(i,k) = 0. !IM 060508 beg d_deltatw2(i,k)=0. d_deltaqw2(i,k)=0. !IM 060508 end ENDDO ENDDO c sigmaw1=sigmaw c IF (sigd_con.GT.sigmaw1) THEN c print*, 'sigmaw,sigd_con', sigmaw, sigd_con c ENDIF DO i=1, klon cc sigmaw(i) = amax1(sigmaw(i),sigd_con(i)) sigmaw(i) = amax1(sigmaw(i),sigmad) sigmaw(i) = amin1(sigmaw(i),0.99) sigmaw0(i) = sigmaw(i) wape(i) = 0. wape2(i) = 0. d_sigmaw(i) = 0. ktopw(i) = 0 ENDDO C C C 2. - Prognostic part C -------------------- C C C 2.1 - Undisturbed area and Wake integrals C --------------------------------------------------------- DO i=1, klon z(i) = 0. ktop(i)=0 kupper(i) = 0 sum_thu(i) = 0. sum_tu(i) = 0. sum_qu(i) = 0. sum_thvu(i) = 0. sum_dth(i) = 0. sum_dq(i) = 0. sum_rho(i) = 0. sum_dtdwn(i) = 0. sum_dqdwn(i) = 0. av_thu(i) = 0. av_tu(i) =0. av_qu(i) =0. av_thvu(i) = 0. av_dth(i) = 0. av_dq(i) = 0. av_rho(i) =0. av_dtdwn(i) =0. av_dqdwn(i) = 0. ENDDO c c Distance between wakes DO i = 1,klon LL(i) = (1-sqrt(sigmaw(i)))/sqrt(wdens(i)) ENDDO C Potential temperatures and humidity c---------------------------------------------------------- DO k =1,klev DO i=1, klon ! write(*,*)'wake 1',i,k,rd,te(i,k) rho(i,k) = p(i,k)/(rd*te(i,k)) ! write(*,*)'wake 2',rho(i,k) IF(k .eq. 1) THEN ! write(*,*)'wake 3',i,k,rd,te(i,k) rhoh(i,k) = ph(i,k)/(rd*te(i,k)) ! write(*,*)'wake 4',i,k,rd,te(i,k) zhh(i,k)=0 ELSE ! write(*,*)'wake 5',rd,(te(i,k)+te(i,k-1)) rhoh(i,k) = ph(i,k)*2./(rd*(te(i,k)+te(i,k-1))) ! write(*,*)'wake 6',(-rhoh(i,k)*RG)+zhh(i,k-1) zhh(i,k)=(ph(i,k)-ph(i,k-1))/(-rhoh(i,k)*RG)+zhh(i,k-1) ENDIF ! write(*,*)'wake 7',ppi(i,k) the(i,k) = te(i,k)/ppi(i,k) thu(i,k) = (te(i,k) - deltatw(i,k)*sigmaw(i))/ppi(i,k) tu(i,k) = te(i,k) - deltatw(i,k)*sigmaw(i) qu(i,k) = qe(i,k) - deltaqw(i,k)*sigmaw(i) ! write(*,*)'wake 8',(rd*(te(i,k)+deltatw(i,k))) rhow(i,k) = p(i,k)/(rd*(te(i,k)+deltatw(i,k))) dth(i,k) = deltatw(i,k)/ppi(i,k) ENDDO ENDDO DO k = 1, klev-1 DO i=1, klon IF(k.eq.1) THEN N2(i,k)=0 ELSE N2(i,k)=amax1(0.,-RG**2/the(i,k)*rho(i,k)*(the(i,k+1)- $ the(i,k-1))/(p(i,k+1)-p(i,k-1))) ENDIF ZH(i,k)=(zhh(i,k)+zhh(i,k+1))/2 Cgw(i,k)=sqrt(N2(i,k))*ZH(i,k) Tgw(i,k)=coefgw*Cgw(i,k)/LL(i) ENDDO ENDDO DO i=1, klon N2(i,klev)=0 ZH(i,klev)=0 Cgw(i,klev)=0 Tgw(i,klev)=0 ENDDO c Calcul de la masse volumique moyenne de la colonne (bdlmd) c----------------------------------------------------------------- DO k=1,klev DO i=1, klon epaisseur1(i,k)=0. epaisseur2(i,k)=0. ENDDO ENDDO DO i=1, klon epaisseur1(i,1)= -(ph(i,2)-ph(i,1))/(rho(i,1)*rg)+1. epaisseur2(i,1)= -(ph(i,2)-ph(i,1))/(rho(i,1)*rg)+1. rhow_moyen(i,1) = rhow(i,1) ENDDO DO k = 2, klev DO i=1, klon epaisseur1(i,k)= -(ph(i,k+1)-ph(i,k))/(rho(i,k)*rg) +1. epaisseur2(i,k)=epaisseur2(i,k-1)+epaisseur1(i,k) rhow_moyen(i,k) = (rhow_moyen(i,k-1)*epaisseur2(i,k-1)+ $ rhow(i,k)*epaisseur1(i,k))/epaisseur2(i,k) ENDDO ENDDO C C Choose an integration bound well above wake top c----------------------------------------------------------------- c C Pupper = 50000. ! melting level c Pupper = 60000. c Pupper = 80000. ! essais pour case_e DO i = 1,klon Pupper(i) = 0.6*ph(i,1) Pupper(i) = max(Pupper(i), 45000.) ccc Pupper(i) = 60000. ENDDO C C Determine Wake top pressure (Ptop) from buoyancy integral C -------------------------------------------------------- c c-1/ Pressure of the level where dth becomes less than delta_t_min. DO i=1,klon ptop_provis(i)=ph(i,1) ENDDO DO k= 2,klev DO i=1,klon c cIM v3JYG; ptop_provis(i).LT. ph(i,1) c IF (dth(i,k) .GT. -delta_t_min .and. $ dth(i,k-1).LT. -delta_t_min .and. $ ptop_provis(i).EQ. ph(i,1)) THEN ptop_provis(i) = ((dth(i,k)+delta_t_min)*p(i,k-1) $ - (dth(i,k-1)+delta_t_min)*p(i,k)) / $ (dth(i,k) - dth(i,k-1)) ENDIF ENDDO ENDDO c-2/ dth integral DO i=1,klon sum_dth(i) = 0. dthmin(i) = -delta_t_min z(i) = 0. ENDDO DO k = 1,klev DO i=1,klon dz(i) = -(amax1(ph(i,k+1),ptop_provis(i))-Ph(i,k))/(rho(i,k)*rg) IF (dz(i) .gt. 0) THEN z(i) = z(i)+dz(i) sum_dth(i) = sum_dth(i) + dth(i,k)*dz(i) dthmin(i) = amin1(dthmin(i),dth(i,k)) ENDIF ENDDO ENDDO c-3/ height of triangle with area= sum_dth and base = dthmin DO i=1,klon hw0(i) = 2.*sum_dth(i)/amin1(dthmin(i),-0.5) hw0(i) = amax1(hwmin,hw0(i)) ENDDO c-4/ now, get Ptop DO i=1,klon z(i) = 0. ptop(i) = ph(i,1) ENDDO DO k = 1,klev DO i=1,klon dz(i) = amin1(-(ph(i,k+1)-ph(i,k))/(rho(i,k)*rg),hw0(i)-z(i)) IF (dz(i) .gt. 0) THEN z(i) = z(i)+dz(i) ptop(i) = ph(i,k)-rho(i,k)*rg*dz(i) ENDIF ENDDO ENDDO C-5/ Determination de ktop et kupper DO k=klev,1,-1 DO i=1,klon IF (ph(i,k+1) .lt. ptop(i)) ktop(i)=k IF (ph(i,k+1) .lt. pupper(i)) kupper(i)=k ENDDO ENDDO c On evite kupper = 1 DO i=1,klon kupper(i) = max(kupper(i),2) ENDDO c-6/ Correct ktop and ptop DO i = 1,klon ptop_new(i)=ptop(i) ENDDO DO k= klev,2,-1 DO i=1,klon IF (k .LE. ktop(i) .and. $ ptop_new(i) .EQ. ptop(i) .and. $ dth(i,k) .GT. -delta_t_min .and. $ dth(i,k-1).LT. -delta_t_min) THEN ptop_new(i) = ((dth(i,k)+delta_t_min)*p(i,k-1) $ - (dth(i,k-1)+delta_t_min)*p(i,k)) / $ (dth(i,k) - dth(i,k-1)) ENDIF ENDDO ENDDO DO i=1,klon ptop(i) = ptop_new(i) ENDDO DO k=klev,1,-1 DO i=1,klon IF (ph(i,k+1) .lt. ptop(i)) ktop(i)=k ENDDO ENDDO c c-5/ Set deltatw & deltaqw to 0 above kupper c DO k = 1,klev DO i=1,klon IF (k.GE. kupper(i)) THEN deltatw(i,k) = 0. deltaqw(i,k) = 0. ENDIF ENDDO ENDDO c C C Vertical gradient of LS omega C DO k = 1,klev DO i=1,klon IF (k.LE. kupper(i)) THEN dp_omgb(i,k) = (omgb(i,k+1) - omgb(i,k))/(ph(i,k+1)-ph(i,k)) ENDIF ENDDO ENDDO C C Integrals (and wake top level number) C -------------------------------------- C C Initialize sum_thvu to 1st level virt. pot. temp. DO i=1,klon z(i) = 1. dz(i) = 1. sum_thvu(i) = thu(i,1)*(1.+eps*qu(i,1))*dz(i) sum_dth(i) = 0. ENDDO DO k = 1,klev DO i=1,klon dz(i) = -(amax1(ph(i,k+1),ptop(i))-ph(i,k))/(rho(i,k)*rg) IF (dz(i) .GT. 0) THEN z(i) = z(i)+dz(i) sum_thu(i) = sum_thu(i) + thu(i,k)*dz(i) sum_tu(i) = sum_tu(i) + tu(i,k)*dz(i) sum_qu(i) = sum_qu(i) + qu(i,k)*dz(i) sum_thvu(i) = sum_thvu(i) + thu(i,k)*(1.+eps*qu(i,k))*dz(i) sum_dth(i) = sum_dth(i) + dth(i,k)*dz(i) sum_dq(i) = sum_dq(i) + deltaqw(i,k)*dz(i) sum_rho(i) = sum_rho(i) + rhow(i,k)*dz(i) sum_dtdwn(i) = sum_dtdwn(i) + dtdwn(i,k)*dz(i) sum_dqdwn(i) = sum_dqdwn(i) + dqdwn(i,k)*dz(i) ENDIF ENDDO ENDDO c DO i=1,klon hw0(i) = z(i) ENDDO c C C 2.1 - WAPE and mean forcing computation C --------------------------------------- C C --------------------------------------- C C Means DO i=1,klon av_thu(i) = sum_thu(i)/hw0(i) av_tu(i) = sum_tu(i)/hw0(i) av_qu(i) = sum_qu(i)/hw0(i) av_thvu(i) = sum_thvu(i)/hw0(i) c av_thve = sum_thve/hw0 av_dth(i) = sum_dth(i)/hw0(i) av_dq(i) = sum_dq(i)/hw0(i) av_rho(i) = sum_rho(i)/hw0(i) av_dtdwn(i) = sum_dtdwn(i)/hw0(i) av_dqdwn(i) = sum_dqdwn(i)/hw0(i) wape(i) = - rg*hw0(i)*(av_dth(i) $ + eps*(av_thu(i)*av_dq(i)+av_dth(i)*av_qu(i)+av_dth(i)* $ av_dq(i) ))/av_thvu(i) ENDDO C C 2.2 Prognostic variable update C ------------------------------ C C Filter out bad wakes DO k = 1,klev DO i=1,klon IF ( wape(i) .LT. 0.) THEN deltatw(i,k) = 0. deltaqw(i,k) = 0. dth(i,k) = 0. ENDIF ENDDO ENDDO c DO i=1,klon IF ( wape(i) .LT. 0.) THEN wape(i) = 0. Cstar(i) = 0. hw(i) = hwmin sigmaw(i) = amax1(sigmad,sigd_con(i)) fip(i) = 0. gwake(i) = .FALSE. ELSE Cstar(i) = stark*sqrt(2.*wape(i)) gwake(i) = .TRUE. ENDIF ENDDO c c Check qx and qw positivity c -------------------------- DO i = 1,klon q0_min(i)=min( (qe(i,1)-sigmaw(i)*deltaqw(i,1)), $ (qe(i,1)+(1.-sigmaw(i))*deltaqw(i,1)) ) ENDDO DO k = 2,klev DO i = 1,klon q1_min(i)=min( (qe(i,k)-sigmaw(i)*deltaqw(i,k)), $ (qe(i,k)+(1.-sigmaw(i))*deltaqw(i,k)) ) IF (q1_min(i).le.q0_min(i)) THEN q0_min(i)=q1_min(i) ENDIF ENDDO ENDDO c DO i = 1,klon OK_qx_qw(i) = q0_min(i) .GE. 0. alpha(i) = 1. ENDDO c CC ----------------------------------------------------------------- C Sub-time-stepping C ----------------- C nsub=10 dtimesub=dtime/nsub c c------------------------------------------------------------ DO isubstep = 1,nsub c------------------------------------------------------------ c c wk_adv is the logical flag enabling wake evolution in the time advance loop DO i = 1,klon wk_adv(i) = OK_qx_qw(i) .AND. alpha(i) .GE. 1. ENDDO c ccc nrlmd Ajout d'un recalcul de wdens dans le cas d'un entrainement négatif de ktop à kupper -------- ccc On calcule pour cela une densité wdens0 pour laquelle on aurait un entrainement nul --- DO i=1,klon cc print *,' isubstep,wk_adv(i),cstar(i),wape(i) ', cc $ isubstep,wk_adv(i),cstar(i),wape(i) IF (wk_adv(i) .AND. cstar(i).GT.0.01) THEN omg(i,kupper(i)+1) = - Rg*amdwn(i,kupper(i)+1)/sigmaw(i) $ + Rg*amup(i,kupper(i)+1)/(1.-sigmaw(i)) wdens0 = ( sigmaw(i) / (4.*3.14) ) * $ ( (1.-sigmaw(i)) * omg(i,kupper(i)+1) / $ ( (ph(i,1)-pupper(i)) * cstar(i) ) ) **(2) IF ( wdens(i) .LE. wdens0*1.1 ) THEN wdens(i) = wdens0 ENDIF cc print*,'omg(i,kupper(i)+1),wdens0,wdens(i),cstar(i) cc $ ,ph(i,1)-pupper(i)', cc $ omg(i,kupper(i)+1),wdens0,wdens(i),cstar(i) cc $ ,ph(i,1)-pupper(i) ENDIF ENDDO ccc nrlmd DO i=1,klon IF (wk_adv(i)) THEN gfl(i) = 2.*sqrt(3.14*wdens(i)*sigmaw(i)) sigmaw(i)=amin1(sigmaw(i),sigmaw_max) ENDIF ENDDO DO i=1,klon IF (wk_adv(i)) THEN ccc nrlmd Introduction du taux de mortalité des poches et test sur sigmaw_max=0.4 ccc d_sigmaw(i) = gfl(i)*Cstar(i)*dtimesub IF (sigmaw(i).ge.sigmaw_max) THEN death_rate(i)=gfl(i)*Cstar(i)/sigmaw(i) ELSE death_rate(i)=0. END IF d_sigmaw(i) = gfl(i)*Cstar(i)*dtimesub $ - death_rate(i)*sigmaw(i)*dtimesub c $ - nat_rate(i)*sigmaw(i)*dtimesub cc print*, 'd_sigmaw(i),sigmaw(i),gfl(i),Cstar(i),wape(i), cc $ death_rate(i),ktop(i),kupper(i)', cc $ d_sigmaw(i),sigmaw(i),gfl(i),Cstar(i),wape(i), cc $ death_rate(i),ktop(i),kupper(i) c sigmaw(i) =sigmaw(i) + gfl(i)*Cstar(i)*dtimesub c sigmaw(i) =min(sigmaw(i),0.99) !!!!!!!! c wdens = wdens0/(10.*sigmaw) c sigmaw =max(sigmaw,sigd_con) c sigmaw =max(sigmaw,sigmad) ENDIF ENDDO C C c calcul de la difference de vitesse verticale poche - zone non perturbee cIM 060208 differences par rapport au code initial; init. a 0 dp_deltomg cIM 060208 et omg sur les niveaux de 1 a klev+1, alors que avant l'on definit cIM 060208 au niveau k=1..? DO k= 1,klev DO i = 1,klon if (wk_adv(i)) THEN !!! nrlmd dp_deltomg(i,k)=0. end if ENDDO ENDDO DO k= 1,klev+1 DO i = 1,klon if (wk_adv(i)) THEN !!! nrlmd omg(i,k)=0. end if ENDDO ENDDO c DO i=1,klon IF (wk_adv(i)) THEN z(i)= 0. omg(i,1) = 0. dp_deltomg(i,1) = -(gfl(i)*Cstar(i))/(sigmaw(i) * (1-sigmaw(i))) ENDIF ENDDO c DO k= 2,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. ktop(i)) THEN dz(i) = -(ph(i,k)-ph(i,k-1))/(rho(i,k-1)*rg) z(i) = z(i)+dz(i) dp_deltomg(i,k)= dp_deltomg(i,1) omg(i,k)= dp_deltomg(i,1)*z(i) ENDIF ENDDO ENDDO c DO i = 1,klon IF (wk_adv(i)) THEN dztop(i)=-(ptop(i)-ph(i,ktop(i)))/(rho(i,ktop(i))*rg) ztop(i) = z(i)+dztop(i) omgtop(i)=dp_deltomg(i,1)*ztop(i) ENDIF ENDDO c c ----------------- c From m/s to Pa/s c ----------------- c DO i=1,klon IF (wk_adv(i)) THEN omgtop(i) = -rho(i,ktop(i))*rg*omgtop(i) dp_deltomg(i,1) = omgtop(i)/(ptop(i)-ph(i,1)) ENDIF ENDDO c DO k= 1,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. ktop(i)) THEN omg(i,k) = - rho(i,k)*rg*omg(i,k) dp_deltomg(i,k) = dp_deltomg(i,1) ENDIF ENDDO ENDDO c c raccordement lineaire de omg de ptop a pupper DO i=1,klon IF ( wk_adv(i) .AND. kupper(i) .GT. ktop(i)) THEN omg(i,kupper(i)+1) = - Rg*amdwn(i,kupper(i)+1)/sigmaw(i) $ + Rg*amup(i,kupper(i)+1)/(1.-sigmaw(i)) dp_deltomg(i,kupper(i)) = (omgtop(i)-omg(i,kupper(i)+1))/ $ (ptop(i)-pupper(i)) ENDIF ENDDO c cc DO i=1,klon cc print*,'Pente entre 0 et kupper (référence)' cc $ ,omg(i,kupper(i)+1)/(pupper(i)-ph(i,1)) cc print*,'Pente entre ktop et kupper' cc $ ,(omg(i,kupper(i)+1)-omgtop(i))/(pupper(i)-ptop(i)) cc ENDDO cc DO k= 1,klev DO i = 1,klon IF( wk_adv(i) .AND. k .GT. ktop(i) .AND. k .LE. kupper(i)) THEN dp_deltomg(i,k) = dp_deltomg(i,kupper(i)) omg(i,k) = omgtop(i)+(ph(i,k)-ptop(i))*dp_deltomg(i,kupper(i)) ENDIF ENDDO ENDDO ccc nrlmd cc DO i=1,klon cc print*,'deltaw_ktop,deltaw_conv',omgtop(i),omg(i,kupper(i)+1) cc END DO ccc c c c-- Compute wake average vertical velocity omgbw c c DO k = 1,klev+1 DO i=1,klon IF ( wk_adv(i)) THEN omgbw(i,k) = omgb(i,k)+(1.-sigmaw(i))*omg(i,k) ENDIF ENDDO ENDDO c-- and its vertical gradient dp_omgbw c DO k = 1,klev DO i=1,klon IF ( wk_adv(i)) THEN dp_omgbw(i,k) = (omgbw(i,k+1)-omgbw(i,k))/(ph(i,k+1)-ph(i,k)) ENDIF ENDDO ENDDO C c-- Upstream coefficients for omgb velocity c-- (alpha_up(k) is the coefficient of the value at level k) c-- (1-alpha_up(k) is the coefficient of the value at level k-1) DO k = 1,klev DO i=1,klon IF ( wk_adv(i)) THEN alpha_up(i,k) = 0. IF (omgb(i,k) .GT. 0.) alpha_up(i,k) = 1. ENDIF ENDDO ENDDO c Matrix expressing [The,deltatw] from [Th1,Th2] DO i=1,klon IF ( wk_adv(i)) THEN RRe1(i) = 1.-sigmaw(i) RRe2(i) = sigmaw(i) ENDIF ENDDO RRd1 = -1. RRd2 = 1. c c-- Get [Th1,Th2], dth and [q1,q2] c DO k= 1,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. kupper(i)+1) THEN dth(i,k) = deltatw(i,k)/ppi(i,k) Th1(i,k) = the(i,k) - sigmaw(i) *dth(i,k) ! undisturbed area Th2(i,k) = the(i,k) + (1.-sigmaw(i))*dth(i,k) ! wake q1(i,k) = qe(i,k) - sigmaw(i) *deltaqw(i,k) ! undisturbed area q2(i,k) = qe(i,k) + (1.-sigmaw(i))*deltaqw(i,k) ! wake ENDIF ENDDO ENDDO DO i=1,klon if (wk_adv(i)) then !!! nrlmd D_Th1(i,1) = 0. D_Th2(i,1) = 0. D_dth(i,1) = 0. D_q1(i,1) = 0. D_q2(i,1) = 0. D_dq(i,1) = 0. end if ENDDO DO k= 2,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. kupper(i)+1) THEN D_Th1(i,k) = Th1(i,k-1)-Th1(i,k) D_Th2(i,k) = Th2(i,k-1)-Th2(i,k) D_dth(i,k) = dth(i,k-1)-dth(i,k) D_q1(i,k) = q1(i,k-1)-q1(i,k) D_q2(i,k) = q2(i,k-1)-q2(i,k) D_dq(i,k) = deltaqw(i,k-1)-deltaqw(i,k) ENDIF ENDDO ENDDO DO i=1,klon IF( wk_adv(i)) THEN omgbdth(i,1) = 0. omgbdq(i,1) = 0. ENDIF ENDDO DO k= 2,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. kupper(i)+1) THEN ! loop on interfaces omgbdth(i,k) = omgb(i,k)*( dth(i,k-1) - dth(i,k)) omgbdq(i,k) = omgb(i,k)*(deltaqw(i,k-1) - deltaqw(i,k)) ENDIF ENDDO ENDDO c c----------------------------------------------------------------- DO k= 1,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. kupper(i)-1) THEN c----------------------------------------------------------------- c c Compute redistribution (advective) term c d_deltatw(i,k) = $ dtimesub/(Ph(i,k)-Ph(i,k+1))*( $ RRd1*omg(i,k )*sigmaw(i) *D_Th1(i,k) $ -RRd2*omg(i,k+1)*(1.-sigmaw(i))*D_Th2(i,k+1) $ -(1.-alpha_up(i,k))*omgbdth(i,k) - alpha_up(i,k+1)* $ omgbdth(i,k+1))*ppi(i,k) c print*,'d_deltatw=',d_deltatw(i,k) c d_deltaqw(i,k) = $ dtimesub/(Ph(i,k)-Ph(i,k+1))*( $ RRd1*omg(i,k )*sigmaw(i) *D_q1(i,k) $ -RRd2*omg(i,k+1)*(1.-sigmaw(i))*D_q2(i,k+1) $ -(1.-alpha_up(i,k))*omgbdq(i,k) - alpha_up(i,k+1)* $ omgbdq(i,k+1)) c print*,'d_deltaqw=',d_deltaqw(i,k) c c and increment large scale tendencies c c C CC ----------------------------------------------------------------- d_te(i,k) = dtimesub*( $ ( RRe1(i)*omg(i,k )*sigmaw(i) *D_Th1(i,k) $ -RRe2(i)*omg(i,k+1)*(1.-sigmaw(i))*D_Th2(i,k+1) ) $ /(Ph(i,k)-Ph(i,k+1)) ccc nrlmd $ -sigmaw(i)*(1.-sigmaw(i))*dth(i,k)*dp_deltomg(i,k) $ -sigmaw(i)*(1.-sigmaw(i))*dth(i,k) $ *(omg(i,k)-omg(i,k+1))/(Ph(i,k)-Ph(i,k+1)) ccc $ )*ppi(i,k) c d_qe(i,k) = dtimesub*( $ ( RRe1(i)*omg(i,k )*sigmaw(i) *D_q1(i,k) $ -RRe2(i)*omg(i,k+1)*(1.-sigmaw(i))*D_q2(i,k+1) ) $ /(Ph(i,k)-Ph(i,k+1)) ccc nrlmd $ -sigmaw(i)*(1.-sigmaw(i))*deltaqw(i,k)*dp_deltomg(i,k) $ -sigmaw(i)*(1.-sigmaw(i))*deltaqw(i,k) $ *(omg(i,k)-omg(i,k+1))/(Ph(i,k)-Ph(i,k+1)) ccc $ ) ccc nrlmd ELSE IF(wk_adv(i) .AND. k .EQ. kupper(i)) THEN d_te(i,k) = dtimesub*( $ ( RRe1(i)*omg(i,k )*sigmaw(i) *D_Th1(i,k) $ /(Ph(i,k)-Ph(i,k+1))) $ )*ppi(i,k) d_qe(i,k) = dtimesub*( $ ( RRe1(i)*omg(i,k )*sigmaw(i) *D_q1(i,k) $ /(Ph(i,k)-Ph(i,k+1))) $ ) ENDIF ccc ENDDO ENDDO c------------------------------------------------------------------ C C Increment state variables DO k= 1,klev DO i = 1,klon ccc nrlmd IF( wk_adv(i) .AND. k .LE. kupper(i)-1) THEN IF( wk_adv(i) .AND. k .LE. kupper(i)) THEN ccc c c Coefficient de répartition Crep(i,k)=Crep_sol*(ph(i,kupper(i))-ph(i,k))/(ph(i,kupper(i)) $ -ph(i,1)) Crep(i,k)=Crep(i,k)+Crep_upper*(ph(i,1)-ph(i,k))/(p(i,1)- $ ph(i,kupper(i))) c Reintroduce compensating subsidence term. c dtKE(k)=(dtdwn(k)*Crep(k))/sigmaw c dtKE(k)=dtKE(k)-(dtdwn(k)*(1-Crep(k))+dta(k)) c . /(1-sigmaw) c dqKE(k)=(dqdwn(k)*Crep(k))/sigmaw c dqKE(k)=dqKE(k)-(dqdwn(k)*(1-Crep(k))+dqa(k)) c . /(1-sigmaw) c c dtKE(k)=(dtdwn(k)*Crep(k)+(1-Crep(k))*dta(k))/sigmaw c dtKE(k)=dtKE(k)-(dtdwn(k)*(1-Crep(k))+dta(k)*Crep(k)) c . /(1-sigmaw) c dqKE(k)=(dqdwn(k)*Crep(k)+(1-Crep(k))*dqa(k))/sigmaw c dqKE(k)=dqKE(k)-(dqdwn(k)*(1-Crep(k))+dqa(k)*Crep(k)) c . /(1-sigmaw) dtKE(i,k)=(dtdwn(i,k)/sigmaw(i) - dta(i,k)/(1.-sigmaw(i))) dqKE(i,k)=(dqdwn(i,k)/sigmaw(i) - dqa(i,k)/(1.-sigmaw(i))) c print*,'dtKE= ',dtKE(i,k),' dqKE= ',dqKE(i,k) c dtPBL(i,k)=(wdtPBL(i,k)/sigmaw(i) - udtPBL(i,k)/(1.-sigmaw(i))) dqPBL(i,k)=(wdqPBL(i,k)/sigmaw(i) - udqPBL(i,k)/(1.-sigmaw(i))) c print*,'dtPBL= ',dtPBL(i,k),' dqPBL= ',dqPBL(i,k) c ccc nrlmd Prise en compte du taux de mortalité ccc Définitions de entr, detr detr(i,k)=0. entr(i,k)=detr(i,k)+gfl(i)*cstar(i)+ $ sigmaw(i)*(1.-sigmaw(i))*dp_deltomg(i,k) spread(i,k) = (entr(i,k)-detr(i,k))/sigmaw(i) ccc spread(i,k) = (1.-sigmaw(i))*dp_deltomg(i,k)+gfl(i)*Cstar(i)/ ccc $ sigmaw(i) c ajout d'un effet onde de gravité -Tgw(k)*deltatw(k) 03/02/06 YU Jingmei ! write(lunout,*)'wake.F ',i,k, dtimesub,d_deltat_gw(i,k), ! & Tgw(i,k),deltatw(i,k) d_deltat_gw(i,k)=d_deltat_gw(i,k)-Tgw(i,k)*deltatw(i,k)* $ dtimesub ! write(lunout,*)'wake.F ',i,k, dtimesub,d_deltatw(i,k) ff(i)=d_deltatw(i,k)/dtimesub c Sans GW c c deltatw(k)=deltatw(k)+dtimesub*(ff+dtKE(k)-spread(k)*deltatw(k)) c c GW formule 1 c c deltatw(k) = deltatw(k)+dtimesub* c $ (ff+dtKE(k) - spread(k)*deltatw(k)-Tgw(k)*deltatw(k)) c c GW formule 2 IF (dtimesub*Tgw(i,k).lt.1.e-10) THEN d_deltatw(i,k) = dtimesub* $ (ff(i)+dtKE(i,k)+dtPBL(i,k) ccc $ -spread(i,k)*deltatw(i,k) $ - entr(i,k)*deltatw(i,k)/sigmaw(i) $ - (death_rate(i)*sigmaw(i)+detr(i,k))*deltatw(i,k) $ / (1.-sigmaw(i)) ccc $ -Tgw(i,k)*deltatw(i,k)) ELSE d_deltatw(i,k) = 1/Tgw(i,k)*(1-exp(-dtimesub* $ Tgw(i,k)))* $ (ff(i)+dtKE(i,k)+dtPBL(i,k) ccc $ -spread(i,k)*deltatw(i,k) $ - entr(i,k)*deltatw(i,k)/sigmaw(i) $ - (death_rate(i)*sigmaw(i)+detr(i,k))*deltatw(i,k) $ / (1.-sigmaw(i)) ccc $ -Tgw(i,k)*deltatw(i,k)) ENDIF dth(i,k) = deltatw(i,k)/ppi(i,k) gg(i)=d_deltaqw(i,k)/dtimesub d_deltaqw(i,k) = dtimesub*(gg(i)+ dqKE(i,k)+dqPBL(i,k) ccc $ -spread(i,k)*deltaqw(i,k)) $ - entr(i,k)*deltaqw(i,k)/sigmaw(i) $ - (death_rate(i)*sigmaw(i)+detr(i,k))*deltaqw(i,k) $ /(1.-sigmaw(i))) ccc ccc nrlmd ccc d_deltatw2(i,k)=d_deltatw2(i,k)+d_deltatw(i,k) ccc d_deltaqw2(i,k)=d_deltaqw2(i,k)+d_deltaqw(i,k) ccc ENDIF ENDDO ENDDO C C Scale tendencies so that water vapour remains positive in w and x. C call wake_vec_modulation(klon,klev,wk_adv,epsilon,qe,d_qe,deltaqw, $ d_deltaqw,sigmaw,d_sigmaw,alpha) c ccc nrlmd cc print*,'alpha' cc do i=1,klon cc print*,alpha(i) cc end do ccc DO k = 1,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. kupper(i)) THEN d_te(i,k)=alpha(i)*d_te(i,k) d_qe(i,k)=alpha(i)*d_qe(i,k) d_deltatw(i,k)=alpha(i)*d_deltatw(i,k) d_deltaqw(i,k)=alpha(i)*d_deltaqw(i,k) d_deltat_gw(i,k)=alpha(i)*d_deltat_gw(i,k) ENDIF ENDDO ENDDO DO i = 1,klon IF( wk_adv(i)) THEN d_sigmaw(i)=alpha(i)*d_sigmaw(i) ENDIF ENDDO C Update large scale variables and wake variables cIM 060208 manque DO i + remplace DO k=1,kupper(i) cIM 060208 DO k = 1,kupper(i) DO k= 1,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. kupper(i)) THEN dtls(i,k)=dtls(i,k)+d_te(i,k) dqls(i,k)=dqls(i,k)+d_qe(i,k) ccc nrlmd d_deltatw2(i,k)=d_deltatw2(i,k)+d_deltatw(i,k) d_deltaqw2(i,k)=d_deltaqw2(i,k)+d_deltaqw(i,k) ccc ENDIF ENDDO ENDDO DO k= 1,klev DO i = 1,klon IF( wk_adv(i) .AND. k .LE. kupper(i)) THEN te(i,k) = te0(i,k) + dtls(i,k) qe(i,k) = qe0(i,k) + dqls(i,k) the(i,k) = te(i,k)/ppi(i,k) deltatw(i,k) = deltatw(i,k)+d_deltatw(i,k) deltaqw(i,k) = deltaqw(i,k)+d_deltaqw(i,k) dth(i,k) = deltatw(i,k)/ppi(i,k) cc print*,'k,qx,qw',k,qe(i,k)-sigmaw(i)*deltaqw(i,k) cc $ ,qe(i,k)+(1-sigmaw(i))*deltaqw(i,k) ENDIF ENDDO ENDDO DO i = 1,klon IF( wk_adv(i)) THEN sigmaw(i) = sigmaw(i)+d_sigmaw(i) ENDIF ENDDO c C c Determine Ptop from buoyancy integral c --------------------------------------- c c- 1/ Pressure of the level where dth changes sign. c DO i=1,klon IF ( wk_adv(i)) THEN Ptop_provis(i)=ph(i,1) ENDIF ENDDO c DO k= 2,klev DO i=1,klon IF ( wk_adv(i) .AND. $ Ptop_provis(i) .EQ. ph(i,1) .AND. $ dth(i,k) .GT. -delta_t_min .and. $ dth(i,k-1).LT. -delta_t_min) THEN Ptop_provis(i) = ((dth(i,k)+delta_t_min)*p(i,k-1) $ - (dth(i,k-1)+delta_t_min)*p(i,k)) /(dth(i,k) $ - dth(i,k-1)) ENDIF ENDDO ENDDO c c- 2/ dth integral c DO i=1,klon if (wk_adv(i)) then !!! nrlmd sum_dth(i) = 0. dthmin(i) = -delta_t_min z(i) = 0. end if ENDDO DO k = 1,klev DO i=1,klon IF ( wk_adv(i)) THEN dz(i) = -(amax1(ph(i,k+1),Ptop_provis(i))-Ph(i,k))/(rho(i,k)*rg) IF (dz(i) .gt. 0) THEN z(i) = z(i)+dz(i) sum_dth(i) = sum_dth(i) + dth(i,k)*dz(i) dthmin(i) = amin1(dthmin(i),dth(i,k)) ENDIF ENDIF ENDDO ENDDO c c- 3/ height of triangle with area= sum_dth and base = dthmin DO i=1,klon IF ( wk_adv(i)) THEN hw(i) = 2.*sum_dth(i)/amin1(dthmin(i),-0.5) hw(i) = amax1(hwmin,hw(i)) ENDIF ENDDO c c- 4/ now, get Ptop c DO i=1,klon if (wk_adv(i)) then !!! nrlmd ktop(i) = 0 z(i)=0. end if ENDDO c DO k = 1,klev DO i=1,klon IF ( wk_adv(i)) THEN dz(i) = amin1(-(ph(i,k+1)-Ph(i,k))/(rho(i,k)*rg),hw(i)-z(i)) IF (dz(i) .gt. 0) THEN z(i) = z(i)+dz(i) Ptop(i) = Ph(i,k)-rho(i,k)*rg*dz(i) ktop(i) = k ENDIF ENDIF ENDDO ENDDO c c 4.5/Correct ktop and ptop c DO i=1,klon IF ( wk_adv(i)) THEN Ptop_new(i)=ptop(i) ENDIF ENDDO c DO k= klev,2,-1 DO i=1,klon cIM v3JYG; IF (k .GE. ktop(i) IF ( wk_adv(i) .AND. $ k .LE. ktop(i) .AND. $ ptop_new(i) .EQ. ptop(i) .AND. $ dth(i,k) .GT. -delta_t_min .and. $ dth(i,k-1).LT. -delta_t_min) THEN Ptop_new(i) = ((dth(i,k)+delta_t_min)*p(i,k-1) $ - (dth(i,k-1)+delta_t_min)*p(i,k)) /(dth(i,k) $ - dth(i,k-1)) ENDIF ENDDO ENDDO c c DO i=1,klon IF ( wk_adv(i)) THEN ptop(i) = ptop_new(i) ENDIF ENDDO DO k=klev,1,-1 DO i=1,klon if (wk_adv(i)) then !!! nrlmd IF (ph(i,k+1) .LT. ptop(i)) ktop(i)=k end if ENDDO ENDDO c c 5/ Set deltatw & deltaqw to 0 above kupper c DO k = 1,klev DO i=1,klon IF ( wk_adv(i) .AND. k .GE. kupper(i)) THEN deltatw(i,k) = 0. deltaqw(i,k) = 0. ENDIF ENDDO ENDDO c C c-------------Cstar computation--------------------------------- DO i=1, klon if (wk_adv(i)) then !!! nrlmd sum_thu(i) = 0. sum_tu(i) = 0. sum_qu(i) = 0. sum_thvu(i) = 0. sum_dth(i) = 0. sum_dq(i) = 0. sum_rho(i) = 0. sum_dtdwn(i) = 0. sum_dqdwn(i) = 0. av_thu(i) = 0. av_tu(i) =0. av_qu(i) =0. av_thvu(i) = 0. av_dth(i) = 0. av_dq(i) = 0. av_rho(i) =0. av_dtdwn(i) =0. av_dqdwn(i) = 0. end if ENDDO C C Integrals (and wake top level number) C -------------------------------------- C C Initialize sum_thvu to 1st level virt. pot. temp. DO i=1,klon if (wk_adv(i)) then !!! nrlmd z(i) = 1. dz(i) = 1. sum_thvu(i) = thu(i,1)*(1.+eps*qu(i,1))*dz(i) sum_dth(i) = 0. end if ENDDO DO k = 1,klev DO i=1,klon if (wk_adv(i)) then !!! nrlmd dz(i) = -(max(ph(i,k+1),ptop(i))-ph(i,k))/(rho(i,k)*rg) IF (dz(i) .GT. 0) THEN z(i) = z(i)+dz(i) sum_thu(i) = sum_thu(i) + thu(i,k)*dz(i) sum_tu(i) = sum_tu(i) + tu(i,k)*dz(i) sum_qu(i) = sum_qu(i) + qu(i,k)*dz(i) sum_thvu(i) = sum_thvu(i) + thu(i,k)*(1.+eps*qu(i,k))*dz(i) sum_dth(i) = sum_dth(i) + dth(i,k)*dz(i) sum_dq(i) = sum_dq(i) + deltaqw(i,k)*dz(i) sum_rho(i) = sum_rho(i) + rhow(i,k)*dz(i) sum_dtdwn(i) = sum_dtdwn(i) + dtdwn(i,k)*dz(i) sum_dqdwn(i) = sum_dqdwn(i) + dqdwn(i,k)*dz(i) ENDIF end if ENDDO ENDDO c DO i=1,klon if (wk_adv(i)) then !!! nrlmd hw0(i) = z(i) end if ENDDO c C C - WAPE and mean forcing computation C --------------------------------------- C C --------------------------------------- C C Means DO i=1,klon if (wk_adv(i)) then !!! nrlmd av_thu(i) = sum_thu(i)/hw0(i) av_tu(i) = sum_tu(i)/hw0(i) av_qu(i) = sum_qu(i)/hw0(i) av_thvu(i) = sum_thvu(i)/hw0(i) av_dth(i) = sum_dth(i)/hw0(i) av_dq(i) = sum_dq(i)/hw0(i) av_rho(i) = sum_rho(i)/hw0(i) av_dtdwn(i) = sum_dtdwn(i)/hw0(i) av_dqdwn(i) = sum_dqdwn(i)/hw0(i) c wape(i) = - rg*hw0(i)*(av_dth(i) $ + eps*(av_thu(i)*av_dq(i)+av_dth(i)*av_qu(i)+av_dth(i)* $ av_dq(i) ))/av_thvu(i) end if ENDDO C C Filter out bad wakes DO k = 1,klev DO i=1,klon if (wk_adv(i)) then !!! nrlmd IF ( wape(i) .LT. 0.) THEN deltatw(i,k) = 0. deltaqw(i,k) = 0. dth(i,k) = 0. ENDIF end if ENDDO ENDDO c DO i=1,klon if (wk_adv(i)) then !!! nrlmd IF ( wape(i) .LT. 0.) THEN wape(i) = 0. Cstar(i) = 0. hw(i) = hwmin sigmaw(i) = max(sigmad,sigd_con(i)) fip(i) = 0. gwake(i) = .FALSE. ELSE Cstar(i) = stark*sqrt(2.*wape(i)) gwake(i) = .TRUE. ENDIF end if ENDDO ENDDO ! end sub-timestep loop C C ----------------------------------------------------------------- c Get back to tendencies per second c DO k = 1,klev DO i=1,klon ccc nrlmd IF ( wk_adv(i) .AND. k .LE. kupper(i)) THEN IF ( OK_qx_qw(i) .AND. k .LE. kupper(i)) THEN ccc dtls(i,k) = dtls(i,k)/dtime dqls(i,k) = dqls(i,k)/dtime d_deltatw2(i,k)=d_deltatw2(i,k)/dtime d_deltaqw2(i,k)=d_deltaqw2(i,k)/dtime d_deltat_gw(i,k) = d_deltat_gw(i,k)/dtime cc print*,'k,dqls,omg,entr,detr',k,dqls(i,k),omg(i,k),entr(i,k) cc $ ,death_rate(i)*sigmaw(i) ENDIF ENDDO ENDDO c c---------------------------------------------------------- c Determine wake final state; recompute wape, cstar, ktop; c filter out bad wakes. c---------------------------------------------------------- c C 2.1 - Undisturbed area and Wake integrals C --------------------------------------------------------- DO i=1,klon ccc nrlmd if (wk_adv(i)) then !!! nrlmd if (OK_qx_qw(i)) then ccc z(i) = 0. sum_thu(i) = 0. sum_tu(i) = 0. sum_qu(i) = 0. sum_thvu(i) = 0. sum_dth(i) = 0. sum_dq(i) = 0. sum_rho(i) = 0. sum_dtdwn(i) = 0. sum_dqdwn(i) = 0. av_thu(i) = 0. av_tu(i) =0. av_qu(i) =0. av_thvu(i) = 0. av_dth(i) = 0. av_dq(i) = 0. av_rho(i) =0. av_dtdwn(i) =0. av_dqdwn(i) = 0. end if ENDDO C Potential temperatures and humidity c---------------------------------------------------------- DO k =1,klev DO i=1,klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc rho(i,k) = p(i,k)/(rd*te(i,k)) IF(k .eq. 1) THEN rhoh(i,k) = ph(i,k)/(rd*te(i,k)) zhh(i,k)=0 ELSE rhoh(i,k) = ph(i,k)*2./(rd*(te(i,k)+te(i,k-1))) zhh(i,k)=(ph(i,k)-ph(i,k-1))/(-rhoh(i,k)*RG)+zhh(i,k-1) ENDIF the(i,k) = te(i,k)/ppi(i,k) thu(i,k) = (te(i,k) - deltatw(i,k)*sigmaw(i))/ppi(i,k) tu(i,k) = te(i,k) - deltatw(i,k)*sigmaw(i) qu(i,k) = qe(i,k) - deltaqw(i,k)*sigmaw(i) rhow(i,k) = p(i,k)/(rd*(te(i,k)+deltatw(i,k))) dth(i,k) = deltatw(i,k)/ppi(i,k) ENDIF ENDDO ENDDO C Integrals (and wake top level number) C ----------------------------------------------------------- C Initialize sum_thvu to 1st level virt. pot. temp. DO i=1,klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc z(i) = 1. dz(i) = 1. sum_thvu(i) = thu(i,1)*(1.+eps*qu(i,1))*dz(i) sum_dth(i) = 0. ENDIF ENDDO DO k = 1,klev DO i=1,klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc dz(i) = -(amax1(ph(i,k+1),ptop(i))-ph(i,k))/(rho(i,k)*rg) IF (dz(i) .GT. 0) THEN z(i) = z(i)+dz(i) sum_thu(i) = sum_thu(i) + thu(i,k)*dz(i) sum_tu(i) = sum_tu(i) + tu(i,k)*dz(i) sum_qu(i) = sum_qu(i) + qu(i,k)*dz(i) sum_thvu(i) = sum_thvu(i) + thu(i,k)*(1.+eps*qu(i,k))*dz(i) sum_dth(i) = sum_dth(i) + dth(i,k)*dz(i) sum_dq(i) = sum_dq(i) + deltaqw(i,k)*dz(i) sum_rho(i) = sum_rho(i) + rhow(i,k)*dz(i) sum_dtdwn(i) = sum_dtdwn(i) + dtdwn(i,k)*dz(i) sum_dqdwn(i) = sum_dqdwn(i) + dqdwn(i,k)*dz(i) ENDIF ENDIF ENDDO ENDDO c DO i=1,klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc hw0(i) = z(i) ENDIF ENDDO c C - WAPE and mean forcing computation C------------------------------------------------------------- C Means DO i=1, klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc av_thu(i) = sum_thu(i)/hw0(i) av_tu(i) = sum_tu(i)/hw0(i) av_qu(i) = sum_qu(i)/hw0(i) av_thvu(i) = sum_thvu(i)/hw0(i) av_dth(i) = sum_dth(i)/hw0(i) av_dq(i) = sum_dq(i)/hw0(i) av_rho(i) = sum_rho(i)/hw0(i) av_dtdwn(i) = sum_dtdwn(i)/hw0(i) av_dqdwn(i) = sum_dqdwn(i)/hw0(i) wape2(i) = - rg*hw0(i)*(av_dth(i) $ + eps*(av_thu(i)*av_dq(i)+av_dth(i)*av_qu(i) $ + av_dth(i)*av_dq(i) ))/av_thvu(i) ENDIF ENDDO C Prognostic variable update C ------------------------------------------------------------ C Filter out bad wakes c DO k = 1,klev DO i=1,klon ccc nrlmd IF ( wk_adv(i) .AND. wape2(i) .LT. 0.) THEN if (OK_qx_qw(i) .AND. wape2(i) .LT. 0.) then ccc deltatw(i,k) = 0. deltaqw(i,k) = 0. dth(i,k) = 0. ENDIF ENDDO ENDDO c DO i=1, klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc IF ( wape2(i) .LT. 0.) THEN wape2(i) = 0. Cstar2(i) = 0. hw(i) = hwmin sigmaw(i) = amax1(sigmad,sigd_con(i)) fip(i) = 0. gwake(i) = .FALSE. ELSE if(prt_level.ge.10) print*,'wape2>0' Cstar2(i) = stark*sqrt(2.*wape2(i)) gwake(i) = .TRUE. ENDIF ENDIF ENDDO c DO i=1, klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc ktopw(i) = ktop(i) ENDIF ENDDO c DO i=1, klon ccc nrlmd IF ( wk_adv(i)) THEN if (OK_qx_qw(i)) then ccc IF (ktopw(i) .gt. 0 .and. gwake(i)) then Cjyg1 Utilisation d'un h_efficace constant ( ~ feeding layer) ccc heff = 600. C Utilisation de la hauteur hw cc heff = 0.7*hw heff(i) = hw(i) FIP(i) = 0.5*rho(i,ktopw(i))*Cstar2(i)**3*heff(i)*2* $ sqrt(sigmaw(i)*wdens(i)*3.14) FIP(i) = alpk * FIP(i) Cjyg2 ELSE FIP(i) = 0. ENDIF ENDIF ENDDO c C Limitation de sigmaw ccc nrlmd c DO i=1,klon c IF (OK_qx_qw(i)) THEN c IF (sigmaw(i).GE.sigmaw_max) sigmaw(i)=sigmaw_max c ENDIF c ENDDO ccc DO k = 1,klev DO i=1, klon ccc nrlmd On maintient désormais constant sigmaw en régime permanent ccc IF ((sigmaw(i).GT.sigmaw_max).or. IF ( ((wape(i).ge.wape2(i)).and.(wape2(i).le.1.0)).or. $ (ktopw(i).le.2) .OR. $ .not. OK_qx_qw(i) ) THEN ccc dtls(i,k) = 0. dqls(i,k) = 0. deltatw(i,k) = 0. deltaqw(i,k) = 0. ENDIF ENDDO ENDDO c ccc nrlmd On maintient désormais constant sigmaw en régime permanent DO i=1, klon IF ( ((wape(i).ge.wape2(i)).and.(wape2(i).le.1.0)).or. $ (ktopw(i).le.2) .OR. $ .not. OK_qx_qw(i) ) THEN wape(i) = 0. cstar(i)=0. hw(i) = hwmin sigmaw(i) = sigmad fip(i) = 0. ELSE wape(i) = wape2(i) cstar(i)=cstar2(i) ENDIF cc print*,'wape wape2 ktopw OK_qx_qw =', cc $ wape(i),wape2(i),ktopw(i),OK_qx_qw(i) ENDDO c c RETURN END SUBROUTINE wake_vec_modulation(nlon,nl,wk_adv,epsilon,qe,d_qe, $ deltaqw,d_deltaqw,sigmaw,d_sigmaw,alpha) c------------------------------------------------------ cDtermination du coefficient alpha tel que les tendances c corriges alpha*d_G, pour toutes les grandeurs G, correspondent c a une humidite positive dans la zone (x) et dans la zone (w). c------------------------------------------------------ c c Input REAL qe(nlon,nl),d_qe(nlon,nl) REAL deltaqw(nlon,nl),d_deltaqw(nlon,nl) REAL sigmaw(nlon),d_sigmaw(nlon) LOGICAL wk_adv(nlon) INTEGER nl,nlon c Output REAL alpha(nlon) c Internal variables REAL zeta(nlon,nl) REAL alpha1(nlon) REAL x,a,b,c,discrim REAL epsilon ! DATA epsilon/1.e-15/ c DO k=1,nl DO i = 1,nlon IF (wk_adv(i)) THEN IF ((deltaqw(i,k)+d_deltaqw(i,k)).ge.0.) then zeta(i,k)=0. ELSE zeta(i,k)=1. END IF ENDIF ENDDO DO i = 1,nlon IF (wk_adv(i)) THEN x = qe(i,k)+(zeta(i,k)-sigmaw(i))*deltaqw(i,k) $ + d_qe(i,k)+(zeta(i,k)-sigmaw(i))*d_deltaqw(i,k) $ - d_sigmaw(i)*(deltaqw(i,k)+d_deltaqw(i,k)) a = -d_sigmaw(i)*d_deltaqw(i,k) b = d_qe(i,k)+(zeta(i,k)-sigmaw(i))*d_deltaqw(i,k) $ - deltaqw(i,k)*d_sigmaw(i) c = qe(i,k)+(zeta(i,k)-sigmaw(i))*deltaqw(i,k)+epsilon discrim = b*b-4.*a*c c print*, 'x, a, b, c, discrim', x, a, b, c, discrim IF (a+b .GE. 0.) THEN !! Condition suffisante pour la positivité de ovap alpha1(i)=1. ELSE IF (x .GE. 0.) THEN alpha1(i)=1. ELSE IF (a .GT. 0.) THEN alpha1(i)=0.9*min( (2.*c)/(-b+sqrt(discrim)), $ (-b+sqrt(discrim))/(2.*a) ) ELSE IF (a .eq. 0.) then alpha1(i)=0.9*(-c/b) ELSE c print*,'a,b,c discrim',a,b,c discrim alpha1(i)=0.9*max( (2.*c)/(-b+sqrt(discrim)), $ (-b+sqrt(discrim))/(2.*a) ) ENDIF ENDIF ENDIF alpha(i) = min(alpha(i),alpha1(i)) ENDIF ENDDO ENDDO ! return end Subroutine WAKE_scal (p,ph,ppi,dtime,sigd_con : ,te0,qe0,omgb : ,dtdwn,dqdwn,amdwn,amup,dta,dqa : ,wdtPBL,wdqPBL,udtPBL,udqPBL o ,deltatw,deltaqw,dth,hw,sigmaw,wape,fip,gfl o ,dtls,dqls o ,ktopw,omgbdth,dp_omgb,wdens o ,tu,qu o ,dtKE,dqKE o ,dtPBL,dqPBL o ,omg,dp_deltomg,spread o ,Cstar,d_deltat_gw o ,d_deltatw2,d_deltaqw2) *************************************************************** * * * WAKE * * retour a un Pupper fixe * * * * written by : GRANDPEIX Jean-Yves 09/03/2000 * * modified by : ROEHRIG Romain 01/29/2007 * *************************************************************** c USE dimphy IMPLICIT none c============================================================================ C C C But : Decrire le comportement des poches froides apparaissant dans les C grands systemes convectifs, et fournir l'energie disponible pour C le declenchement de nouvelles colonnes convectives. C C Variables d'etat : deltatw : ecart de temperature wake-undisturbed area C deltaqw : ecart d'humidite wake-undisturbed area C sigmaw : fraction d'aire occupee par la poche. C C Variable de sortie : c c wape : WAke Potential Energy c fip : Front Incident Power (W/m2) - ALP c gfl : Gust Front Length per unit area (m-1) C dtls : large scale temperature tendency due to wake C dqls : large scale humidity tendency due to wake C hw : hauteur de la poche C dp_omgb : vertical gradient of large scale omega C omgbdth: flux of Delta_Theta transported by LS omega C dtKE : differential heating (wake - unpertubed) C dqKE : differential moistening (wake - unpertubed) C omg : Delta_omg =vertical velocity diff. wake-undist. (Pa/s) C dp_deltomg : vertical gradient of omg (s-1) C spread : spreading term in dt_wake and dq_wake C deltatw : updated temperature difference (T_w-T_u). C deltaqw : updated humidity difference (q_w-q_u). C sigmaw : updated wake fractional area. C d_deltat_gw : delta T tendency due to GW c C Variables d'entree : c c aire : aire de la maille c te0 : temperature dans l'environnement (K) C qe0 : humidite dans l'environnement (kg/kg) C omgb : vitesse verticale moyenne sur la maille (Pa/s) C dtdwn: source de chaleur due aux descentes (K/s) C dqdwn: source d'humidite due aux descentes (kg/kg/s) C dta : source de chaleur due courants satures et detrain (K/s) C dqa : source d'humidite due aux courants satures et detra (kg/kg/s) C amdwn: flux de masse total des descentes, par unite de C surface de la maille (kg/m2/s) C amup : flux de masse total des ascendances, par unite de C surface de la maille (kg/m2/s) C p : pressions aux milieux des couches (Pa) C ph : pressions aux interfaces (Pa) C ppi : (p/p_0)**kapa (adim) C dtime: increment temporel (s) c C Variables internes : c c rhow : masse volumique de la poche froide C rho : environment density at P levels C rhoh : environment density at Ph levels C te : environment temperature | may change within C qe : environment humidity | sub-time-stepping C the : environment potential temperature C thu : potential temperature in undisturbed area C tu : temperature in undisturbed area C qu : humidity in undisturbed area C dp_omgb: vertical gradient og LS omega C omgbw : wake average vertical omega C dp_omgbw: vertical gradient of omgbw C omgbdq : flux of Delta_q transported by LS omega C dth : potential temperature diff. wake-undist. C th1 : first pot. temp. for vertical advection (=thu) C th2 : second pot. temp. for vertical advection (=thw) C q1 : first humidity for vertical advection C q2 : second humidity for vertical advection C d_deltatw : terme de redistribution pour deltatw C d_deltaqw : terme de redistribution pour deltaqw C deltatw0 : deltatw initial C deltaqw0 : deltaqw initial C hw0 : hw initial C sigmaw0: sigmaw initial C amflux : horizontal mass flux through wake boundary C wdens : number of wakes per unit area (3D) or per C unit length (2D) C Tgw : 1 sur la période de onde de gravité c Cgw : vitesse de propagation de onde de gravité c LL : distance entre 2 poches c------------------------------------------------------------------------- c Déclaration de variables c------------------------------------------------------------------------- #include "dimensions.h" cccc#include "dimphy.h" #include "YOMCST.h" #include "cvthermo.h" #include "iniprint.h" c Arguments en entree c-------------------- REAL p(klev),ph(klev+1),ppi(klev) REAL dtime REAL te0(klev),qe0(klev) REAL omgb(klev+1) REAL dtdwn(klev), dqdwn(klev) REAL wdtPBL(klev),wdqPBL(klev) REAL udtPBL(klev),udqPBL(klev) REAL amdwn(klev), amup(klev) REAL dta(klev), dqa(klev) REAL sigd_con c Sorties c-------- REAL deltatw(klev), deltaqw(klev), dth(klev) REAL tu(klev), qu(klev) REAL dtls(klev), dqls(klev) REAL dtKE(klev), dqKE(klev) REAL dtPBL(klev), dqPBL(klev) REAL spread(klev) REAL d_deltatgw(klev) REAL d_deltatw2(klev), d_deltaqw2(klev) REAL omgbdth(klev+1), omg(klev+1) REAL dp_omgb(klev), dp_deltomg(klev) REAL d_deltat_gw(klev) REAL hw, sigmaw, wape, fip, gfl, Cstar INTEGER ktopw c Variables internes c------------------- c Variables à fixer REAL ALON REAL coefgw REAL wdens0, wdens REAL stark REAL alpk REAL delta_t_min REAL Pupper INTEGER nsub REAL dtimesub REAL sigmad, hwmin c Variables de sauvegarde REAL deltatw0(klev) REAL deltaqw0(klev) REAL te(klev), qe(klev) REAL sigmaw0, sigmaw1 c Variables pour les GW REAL LL REAL N2(klev) REAL Cgw(klev) REAL Tgw(klev) c Variables liées au calcul de hw REAL ptop_provis, ptop, ptop_new REAL sum_dth REAL dthmin REAL z, dz, hw0 INTEGER ktop, kupper c Autres variables internes INTEGER isubstep, k REAL sum_thu, sum_tu, sum_qu,sum_thvu REAL sum_dq, sum_rho REAL sum_dtdwn, sum_dqdwn REAL av_thu, av_tu, av_qu, av_thvu REAL av_dth, av_dq, av_rho REAL av_dtdwn, av_dqdwn REAL rho(klev), rhoh(klev+1), rhow(klev) REAL rhow_moyen(klev) REAL zh(klev), zhh(klev+1) REAL epaisseur1(klev), epaisseur2(klev) REAL the(klev), thu(klev) REAL d_deltatw(klev), d_deltaqw(klev) REAL omgbw(klev+1), omgtop REAL dp_omgbw(klev) REAL ztop, dztop REAL alpha_up(klev) REAL RRe1, RRe2, RRd1, RRd2 REAL Th1(klev), Th2(klev), q1(klev), q2(klev) REAL D_Th1(klev), D_Th2(klev), D_dth(klev) REAL D_q1(klev), D_q2(klev), D_dq(klev) REAL omgbdq(klev) REAL ff, gg REAL wape2, Cstar2, heff REAL Crep(klev) REAL Crep_upper, Crep_sol C------------------------------------------------------------------------- c Initialisations c------------------------------------------------------------------------- c print*, 'wake initialisations' c Essais d'initialisation avec sigmaw = 0.02 et hw = 10. c------------------------------------------------------------------------- DATA sigmad, hwmin /.02,10./ C Longueur de maille (en m) c------------------------------------------------------------------------- c ALON = 3.e5 ALON = 1.e6 C Configuration de coefgw,stark,wdens (22/02/06 by YU Jingmei) c c coefgw : Coefficient pour les ondes de gravité c stark : Coefficient k dans Cstar=k*sqrt(2*WAPE) c wdens : Densité de poche froide par maille c------------------------------------------------------------------------- coefgw=10 c coefgw=1 c wdens0 = 1.0/(alon**2) wdens = 1.0/(alon**2) stark = 0.50 cCRtest alpk=0.1 c alpk = 1.0 c alpk = 0.5 c alpk = 0.05 Crep_upper=0.9 Crep_sol=1.0 C Minimum value for |T_wake - T_undist|. Used for wake top definition c------------------------------------------------------------------------- delta_t_min = 0.2 C 1. - Save initial values and initialize tendencies C -------------------------------------------------- DO k=1,klev deltatw0(k) = deltatw(k) deltaqw0(k)= deltaqw(k) te(k) = te0(k) qe(k) = qe0(k) dtls(k) = 0. dqls(k) = 0. d_deltat_gw(k)=0. d_deltatw2(k)=0. d_deltaqw2(k)=0. ENDDO c sigmaw1=sigmaw c IF (sigd_con.GT.sigmaw1) THEN c print*, 'sigmaw,sigd_con', sigmaw, sigd_con c ENDIF sigmaw = max(sigmaw,sigd_con) sigmaw = max(sigmaw,sigmad) sigmaw = min(sigmaw,0.99) sigmaw0 = sigmaw c wdens=wdens0/(10.*sigmaw) c IF (sigd_con.GT.sigmaw1) THEN c print*, 'sigmaw1,sigd1', sigmaw, sigd_con c ENDIF C 2. - Prognostic part C ========================================================= c print *, 'prognostic wake computation' C 2.1 - Undisturbed area and Wake integrals C --------------------------------------------------------- z = 0. ktop=0 kupper = 0 sum_thu = 0. sum_tu = 0. sum_qu = 0. sum_thvu = 0. sum_dth = 0. sum_dq = 0. sum_rho = 0. sum_dtdwn = 0. sum_dqdwn = 0. av_thu = 0. av_tu =0. av_qu =0. av_thvu = 0. av_dth = 0. av_dq = 0. av_rho =0. av_dtdwn =0. av_dqdwn = 0. C Potential temperatures and humidity c---------------------------------------------------------- DO k =1,klev rho(k) = p(k)/(rd*te(k)) IF(k .eq. 1) THEN rhoh(k) = ph(k)/(rd*te(k)) zhh(k)=0 ELSE rhoh(k) = ph(k)*2./(rd*(te(k)+te(k-1))) zhh(k)=(ph(k)-ph(k-1))/(-rhoh(k)*RG)+zhh(k-1) ENDIF the(k) = te(k)/ppi(k) thu(k) = (te(k) - deltatw(k)*sigmaw)/ppi(k) tu(k) = te(k) - deltatw(k)*sigmaw qu(k) = qe(k) - deltaqw(k)*sigmaw rhow(k) = p(k)/(rd*(te(k)+deltatw(k))) dth(k) = deltatw(k)/ppi(k) LL = (1-sqrt(sigmaw))/sqrt(wdens) ENDDO DO k = 1, klev-1 IF(k.eq.1) THEN N2(k)=0 ELSE N2(k)=max(0.,-RG**2/the(k)*rho(k)*(the(k+1)-the(k-1)) $ /(p(k+1)-p(k-1))) ENDIF ZH(k)=(zhh(k)+zhh(k+1))/2 Cgw(k)=sqrt(N2(k))*ZH(k) Tgw(k)=coefgw*Cgw(k)/LL ENDDO N2(klev)=0 ZH(klev)=0 Cgw(klev)=0 Tgw(klev)=0 c Calcul de la masse volumique moyenne de la colonne c----------------------------------------------------------------- DO k=1,klev epaisseur1(k)=0. epaisseur2(k)=0. ENDDO epaisseur1(1)= -(Ph(2)-Ph(1))/(rho(1)*rg)+1. epaisseur2(1)= -(Ph(2)-Ph(1))/(rho(1)*rg)+1. rhow_moyen(1) = rhow(1) DO k = 2, klev epaisseur1(k)= -(Ph(k+1)-Ph(k))/(rho(k)*rg) +1. epaisseur2(k)=epaisseur2(k-1)+epaisseur1(k) rhow_moyen(k) = (rhow_moyen(k-1)*epaisseur2(k-1)+ $ rhow(k)*epaisseur1(k))/epaisseur2(k) ENDDO C Choose an integration bound well above wake top c----------------------------------------------------------------- c Pupper = 50000. ! melting level Pupper = 60000. c Pupper = 70000. C Determine Wake top pressure (Ptop) from buoyancy integral C----------------------------------------------------------------- c-1/ Pressure of the level where dth becomes less than delta_t_min. Ptop_provis=ph(1) DO k= 2,klev IF (dth(k) .GT. -delta_t_min .and. $ dth(k-1).LT. -delta_t_min) THEN Ptop_provis = ((dth(k)+delta_t_min)*p(k-1) $ - (dth(k-1)+delta_t_min)*p(k)) /(dth(k) - dth(k-1)) GO TO 25 ENDIF ENDDO 25 CONTINUE c-2/ dth integral sum_dth = 0. dthmin = -delta_t_min z = 0. DO k = 1,klev dz = -(max(ph(k+1),Ptop_provis)-Ph(k))/(rho(k)*rg) IF (dz .le. 0) GO TO 40 z = z+dz sum_dth = sum_dth + dth(k)*dz dthmin = min(dthmin,dth(k)) ENDDO 40 CONTINUE c-3/ height of triangle with area= sum_dth and base = dthmin hw0 = 2.*sum_dth/min(dthmin,-0.5) hw0 = max(hwmin,hw0) c-4/ now, get Ptop z = 0. ptop = ph(1) DO k = 1,klev dz = min(-(ph(k+1)-Ph(k))/(rho(k)*rg),hw0-z) IF (dz .le. 0) GO TO 45 z = z+dz Ptop = Ph(k)-rho(k)*rg*dz ENDDO 45 CONTINUE C-5/ Determination de ktop et kupper DO k=klev,1,-1 IF (ph(k+1) .lt. ptop) ktop=k IF (ph(k+1) .lt. pupper) kupper=k ENDDO c-6/ Correct ktop and ptop Ptop_new=ptop DO k= ktop,2,-1 IF (dth(k) .GT. -delta_t_min .and. $ dth(k-1).LT. -delta_t_min) THEN Ptop_new = ((dth(k)+delta_t_min)*p(k-1) $ - (dth(k-1)+delta_t_min)*p(k)) /(dth(k) - dth(k-1)) GO TO 225 ENDIF ENDDO 225 CONTINUE ptop = ptop_new DO k=klev,1,-1 IF (ph(k+1) .lt. ptop) ktop=k ENDDO c Set deltatw & deltaqw to 0 above kupper c----------------------------------------------------------- DO k = kupper,klev deltatw(k) = 0. deltaqw(k) = 0. ENDDO C Vertical gradient of LS omega C------------------------------------------------------------ DO k = 1,kupper dp_omgb(k) = (omgb(k+1) - omgb(k))/(ph(k+1)-ph(k)) ENDDO C Integrals (and wake top level number) C ----------------------------------------------------------- C Initialize sum_thvu to 1st level virt. pot. temp. z = 1. dz = 1. sum_thvu = thu(1)*(1.+eps*qu(1))*dz sum_dth = 0. DO k = 1,klev dz = -(max(ph(k+1),Ptop)-Ph(k))/(rho(k)*rg) IF (dz .LE. 0) GO TO 50 z = z+dz sum_thu = sum_thu + thu(k)*dz sum_tu = sum_tu + tu(k)*dz sum_qu = sum_qu + qu(k)*dz sum_thvu = sum_thvu + thu(k)*(1.+eps*qu(k))*dz sum_dth = sum_dth + dth(k)*dz sum_dq = sum_dq + deltaqw(k)*dz sum_rho = sum_rho + rhow(k)*dz sum_dtdwn = sum_dtdwn + dtdwn(k)*dz sum_dqdwn = sum_dqdwn + dqdwn(k)*dz ENDDO 50 CONTINUE hw0 = z C 2.1 - WAPE and mean forcing computation C------------------------------------------------------------- C Means av_thu = sum_thu/hw0 av_tu = sum_tu/hw0 av_qu = sum_qu/hw0 av_thvu = sum_thvu/hw0 c av_thve = sum_thve/hw0 av_dth = sum_dth/hw0 av_dq = sum_dq/hw0 av_rho = sum_rho/hw0 av_dtdwn = sum_dtdwn/hw0 av_dqdwn = sum_dqdwn/hw0 wape = - rg*hw0*(av_dth $ + eps*(av_thu*av_dq+av_dth*av_qu+av_dth*av_dq ))/av_thvu C 2.2 Prognostic variable update C ------------------------------------------------------------ C Filter out bad wakes IF ( wape .LT. 0.) THEN if(prt_level.ge.10) print*,'wape<0' wape = 0. hw = hwmin sigmaw = max(sigmad,sigd_con) fip = 0. DO k = 1,klev deltatw(k) = 0. deltaqw(k) = 0. dth(k) = 0. ENDDO ELSE if(prt_level.ge.10) print*,'wape>0' Cstar = stark*sqrt(2.*wape) ENDIF C------------------------------------------------------------------ C Sub-time-stepping C------------------------------------------------------------------ c nsub=36 nsub=10 dtimesub=dtime/nsub c------------------------------------------------------------ DO isubstep = 1,nsub c------------------------------------------------------------ c print*,'---------------','substep=',isubstep,'-------------' c Evolution of sigmaw gfl = 2.*sqrt(3.14*wdens*sigmaw) sigmaw =sigmaw + gfl*Cstar*dtimesub sigmaw =min(sigmaw,0.99) !!!!!!!! c wdens = wdens0/(10.*sigmaw) c sigmaw =max(sigmaw,sigd_con) c sigmaw =max(sigmaw,sigmad) c calcul de la difference de vitesse verticale poche - zone non perturbee z= 0. dp_deltomg(1:klev)=0. omg(1:klev+1)=0. omg(1) = 0. dp_deltomg(1) = -(gfl*Cstar)/(sigmaw * (1-sigmaw)) DO k=2,ktop dz = -(Ph(k)-Ph(k-1))/(rho(k-1)*rg) z = z+dz dp_deltomg(k)= dp_deltomg(1) omg(k)= dp_deltomg(1)*z ENDDO dztop=-(Ptop-Ph(ktop))/(rho(ktop)*rg) ztop = z+dztop omgtop=dp_deltomg(1)*ztop c Conversion de la vitesse verticale de m/s a Pa/s omgtop = -rho(ktop)*rg*omgtop dp_deltomg(1) = omgtop/(ptop-ph(1)) DO k = 1,ktop omg(k) = - rho(k)*rg*omg(k) dp_deltomg(k) = dp_deltomg(1) ENDDO c raccordement lineaire de omg de ptop a pupper IF (kupper .GT. ktop) THEN omg(kupper+1) = - Rg*amdwn(kupper+1)/sigmaw $ + Rg*amup(kupper+1)/(1.-sigmaw) dp_deltomg(kupper) = (omgtop-omg(kupper+1))/(Ptop-Pupper) DO k=ktop+1,kupper dp_deltomg(k) = dp_deltomg(kupper) omg(k) = omgtop+(ph(k)-Ptop)*dp_deltomg(kupper) ENDDO ENDIF c Compute wake average vertical velocity omgbw DO k = 1,klev+1 omgbw(k) = omgb(k)+(1.-sigmaw)*omg(k) ENDDO c and its vertical gradient dp_omgbw DO k = 1,klev dp_omgbw(k) = (omgbw(k+1)-omgbw(k))/(ph(k+1)-ph(k)) ENDDO c Upstream coefficients for omgb velocity c-- (alpha_up(k) is the coefficient of the value at level k) c-- (1-alpha_up(k) is the coefficient of the value at level k-1) DO k = 1,klev alpha_up(k) = 0. IF (omgb(k) .GT. 0.) alpha_up(k) = 1. ENDDO c Matrix expressing [The,deltatw] from [Th1,Th2] RRe1 = 1.-sigmaw RRe2 = sigmaw RRd1 = -1. RRd2 = 1. c Get [Th1,Th2], dth and [q1,q2] DO k = 1,kupper+1 dth(k) = deltatw(k)/ppi(k) Th1(k) = the(k) - sigmaw *dth(k) ! undisturbed area Th2(k) = the(k) + (1.-sigmaw)*dth(k) ! wake q1(k) = qe(k) - sigmaw *deltaqw(k) ! undisturbed area q2(k) = qe(k) + (1.-sigmaw)*deltaqw(k) ! wake ENDDO D_Th1(1) = 0. D_Th2(1) = 0. D_dth(1) = 0. D_q1(1) = 0. D_q2(1) = 0. D_dq(1) = 0. DO k = 2,kupper+1 ! loop on interfaces D_Th1(k) = Th1(k-1)-Th1(k) D_Th2(k) = Th2(k-1)-Th2(k) D_dth(k) = dth(k-1)-dth(k) D_q1(k) = q1(k-1)-q1(k) D_q2(k) = q2(k-1)-q2(k) D_dq(k) = deltaqw(k-1)-deltaqw(k) ENDDO omgbdth(1) = 0. omgbdq(1) = 0. DO k = 2,kupper+1 ! loop on interfaces omgbdth(k) = omgb(k)*( dth(k-1) - dth(k)) omgbdq(k) = omgb(k)*(deltaqw(k-1) - deltaqw(k)) ENDDO c----------------------------------------------------------------- DO k=1,kupper-1 c----------------------------------------------------------------- c c Compute redistribution (advective) term c d_deltatw(k) = $ dtimesub/(Ph(k)-Ph(k+1))*( $ RRd1*omg(k )*sigmaw *D_Th1(k) $ -RRd2*omg(k+1)*(1.-sigmaw)*D_Th2(k+1) $ -(1.-alpha_up(k))*omgbdth(k) - alpha_up(k+1)*omgbdth(k+1) $ )*ppi(k) c print*,'d_deltatw=',d_deltatw(k) c d_deltaqw(k) = $ dtimesub/(Ph(k)-Ph(k+1))*( $ RRd1*omg(k )*sigmaw *D_q1(k) $ -RRd2*omg(k+1)*(1.-sigmaw)*D_q2(k+1) $ -(1.-alpha_up(k))*omgbdq(k) - alpha_up(k+1)*omgbdq(k+1) $ ) c print*,'d_deltaqw=',d_deltaqw(k) c c and increment large scale tendencies c dtls(k) = dtls(k) + $ dtimesub*( $ ( RRe1*omg(k )*sigmaw *D_Th1(k) $ -RRe2*omg(k+1)*(1.-sigmaw)*D_Th2(k+1) ) $ /(Ph(k)-Ph(k+1)) $ -sigmaw*(1.-sigmaw)*dth(k)*dp_deltomg(k) $ )*ppi(k) c print*,'dtls=',dtls(k) c dqls(k) = dqls(k) + $ dtimesub*( $ ( RRe1*omg(k )*sigmaw *D_q1(k) $ -RRe2*omg(k+1)*(1.-sigmaw)*D_q2(k+1) ) $ /(Ph(k)-Ph(k+1)) $ -sigmaw*(1.-sigmaw)*deltaqw(k)*dp_deltomg(k) $ ) c print*,'dqls=',dqls(k) c------------------------------------------------------------------- ENDDO c------------------------------------------------------------------ C Increment state variables DO k = 1,kupper-1 c Coefficient de répartition Crep(k)=Crep_sol*(ph(kupper)-ph(k))/(ph(kupper)-ph(1)) Crep(k)=Crep(k)+Crep_upper*(ph(1)-ph(k))/(p(1)-ph(kupper)) c Reintroduce compensating subsidence term. c dtKE(k)=(dtdwn(k)*Crep(k))/sigmaw c dtKE(k)=dtKE(k)-(dtdwn(k)*(1-Crep(k))+dta(k)) c . /(1-sigmaw) c dqKE(k)=(dqdwn(k)*Crep(k))/sigmaw c dqKE(k)=dqKE(k)-(dqdwn(k)*(1-Crep(k))+dqa(k)) c . /(1-sigmaw) c c dtKE(k)=(dtdwn(k)*Crep(k)+(1-Crep(k))*dta(k))/sigmaw c dtKE(k)=dtKE(k)-(dtdwn(k)*(1-Crep(k))+dta(k)*Crep(k)) c . /(1-sigmaw) c dqKE(k)=(dqdwn(k)*Crep(k)+(1-Crep(k))*dqa(k))/sigmaw c dqKE(k)=dqKE(k)-(dqdwn(k)*(1-Crep(k))+dqa(k)*Crep(k)) c . /(1-sigmaw) dtKE(k)=(dtdwn(k)/sigmaw - dta(k)/(1.-sigmaw)) dqKE(k)=(dqdwn(k)/sigmaw - dqa(k)/(1.-sigmaw)) c print*,'dtKE=',dtKE(k) c print*,'dqKE=',dqKE(k) c dtPBL(k)=(wdtPBL(k)/sigmaw - udtPBL(k)/(1.-sigmaw)) dqPBL(k)=(wdqPBL(k)/sigmaw - udqPBL(k)/(1.-sigmaw)) c spread(k) = (1.-sigmaw)*dp_deltomg(k)+gfl*Cstar/sigmaw c print*,'spread=',spread(k) c ajout d'un effet onde de gravité -Tgw(k)*deltatw(k) 03/02/06 YU Jingmei d_deltat_gw(k)=d_deltat_gw(k)-Tgw(k)*deltatw(k)* dtimesub c print*,'d_delta_gw=',d_deltat_gw(k) ff=d_deltatw(k)/dtimesub c Sans GW c c deltatw(k)=deltatw(k)+dtimesub*(ff+dtKE(k)-spread(k)*deltatw(k)) c c GW formule 1 c c deltatw(k) = deltatw(k)+dtimesub* c $ (ff+dtKE(k) - spread(k)*deltatw(k)-Tgw(k)*deltatw(k)) c c GW formule 2 IF (dtimesub*Tgw(k).lt.1.e-10) THEN deltatw(k) = deltatw(k)+dtimesub* $ (ff+dtKE(k)+dtPBL(k) $ - spread(k)*deltatw(k)-Tgw(k)*deltatw(k)) ELSE deltatw(k) = deltatw(k)+1/Tgw(k)*(1-exp(-dtimesub*Tgw(k)))* $ (ff+dtKE(k)+dtPBL(k) $ - spread(k)*deltatw(k)-Tgw(k)*deltatw(k)) ENDIF dth(k) = deltatw(k)/ppi(k) gg=d_deltaqw(k)/dtimesub deltaqw(k) = deltaqw(k) + $ dtimesub*(gg+ dqKE(k)+dqPBL(k) - spread(k)*deltaqw(k)) d_deltatw2(k)=d_deltatw2(k)+d_deltatw(k) d_deltaqw2(k)=d_deltaqw2(k)+d_deltaqw(k) ENDDO C And update large scale variables DO k = 1,kupper te(k) = te0(k) + dtls(k) qe(k) = qe0(k) + dqls(k) the(k) = te(k)/ppi(k) ENDDO c Determine Ptop from buoyancy integral c---------------------------------------------------------------------- c-1/ Pressure of the level where dth changes sign. Ptop_provis=ph(1) DO k= 2,klev IF (dth(k) .GT. -delta_t_min .and. $ dth(k-1).LT. -delta_t_min) THEN Ptop_provis = ((dth(k)+delta_t_min)*p(k-1) $ - (dth(k-1)+delta_t_min)*p(k)) /(dth(k) - dth(k-1)) GO TO 65 ENDIF ENDDO 65 CONTINUE c-2/ dth integral sum_dth = 0. dthmin = -delta_t_min z = 0. DO k = 1,klev dz = -(max(ph(k+1),Ptop_provis)-Ph(k))/(rho(k)*rg) IF (dz .le. 0) GO TO 70 z = z+dz sum_dth = sum_dth + dth(k)*dz dthmin = min(dthmin,dth(k)) ENDDO 70 CONTINUE c-3/ height of triangle with area= sum_dth and base = dthmin hw = 2.*sum_dth/min(dthmin,-0.5) hw = max(hwmin,hw) c-4/ now, get Ptop ktop = 0 z=0. DO k = 1,klev dz = min(-(ph(k+1)-Ph(k))/(rho(k)*rg),hw-z) IF (dz .le. 0) GO TO 75 z = z+dz Ptop = Ph(k)-rho(k)*rg*dz ktop = k ENDDO 75 CONTINUE c-5/Correct ktop and ptop Ptop_new=ptop DO k= ktop,2,-1 IF (dth(k) .GT. -delta_t_min .and. $ dth(k-1).LT. -delta_t_min) THEN Ptop_new = ((dth(k)+delta_t_min)*p(k-1) $ - (dth(k-1)+delta_t_min)*p(k)) /(dth(k) - dth(k-1)) GO TO 275 ENDIF ENDDO 275 CONTINUE ptop = ptop_new DO k=klev,1,-1 IF (ph(k+1) .LT. ptop) ktop=k ENDDO c-6/ Set deltatw & deltaqw to 0 above kupper DO k = kupper,klev deltatw(k) = 0. deltaqw(k) = 0. ENDDO c------------------------------------------------------------------ ENDDO ! end sub-timestep loop C ----------------------------------------------------------------- c Get back to tendencies per second DO k = 1,kupper-1 dtls(k) = dtls(k)/dtime dqls(k) = dqls(k)/dtime d_deltatw2(k)=d_deltatw2(k)/dtime d_deltaqw2(k)=d_deltaqw2(k)/dtime d_deltat_gw(k) = d_deltat_gw(k)/dtime ENDDO C 2.1 - Undisturbed area and Wake integrals C --------------------------------------------------------- z = 0. sum_thu = 0. sum_tu = 0. sum_qu = 0. sum_thvu = 0. sum_dth = 0. sum_dq = 0. sum_rho = 0. sum_dtdwn = 0. sum_dqdwn = 0. av_thu = 0. av_tu =0. av_qu =0. av_thvu = 0. av_dth = 0. av_dq = 0. av_rho =0. av_dtdwn =0. av_dqdwn = 0. C Potential temperatures and humidity c---------------------------------------------------------- DO k =1,klev rho(k) = p(k)/(rd*te(k)) IF(k .eq. 1) THEN rhoh(k) = ph(k)/(rd*te(k)) zhh(k)=0 ELSE rhoh(k) = ph(k)*2./(rd*(te(k)+te(k-1))) zhh(k)=(ph(k)-ph(k-1))/(-rhoh(k)*RG)+zhh(k-1) ENDIF the(k) = te(k)/ppi(k) thu(k) = (te(k) - deltatw(k)*sigmaw)/ppi(k) tu(k) = te(k) - deltatw(k)*sigmaw qu(k) = qe(k) - deltaqw(k)*sigmaw rhow(k) = p(k)/(rd*(te(k)+deltatw(k))) dth(k) = deltatw(k)/ppi(k) ENDDO C Integrals (and wake top level number) C ----------------------------------------------------------- C Initialize sum_thvu to 1st level virt. pot. temp. z = 1. dz = 1. sum_thvu = thu(1)*(1.+eps*qu(1))*dz sum_dth = 0. DO k = 1,klev dz = -(max(ph(k+1),Ptop)-Ph(k))/(rho(k)*rg) IF (dz .LE. 0) GO TO 51 z = z+dz sum_thu = sum_thu + thu(k)*dz sum_tu = sum_tu + tu(k)*dz sum_qu = sum_qu + qu(k)*dz sum_thvu = sum_thvu + thu(k)*(1.+eps*qu(k))*dz sum_dth = sum_dth + dth(k)*dz sum_dq = sum_dq + deltaqw(k)*dz sum_rho = sum_rho + rhow(k)*dz sum_dtdwn = sum_dtdwn + dtdwn(k)*dz sum_dqdwn = sum_dqdwn + dqdwn(k)*dz ENDDO 51 CONTINUE hw0 = z C 2.1 - WAPE and mean forcing computation C------------------------------------------------------------- C Means av_thu = sum_thu/hw0 av_tu = sum_tu/hw0 av_qu = sum_qu/hw0 av_thvu = sum_thvu/hw0 av_dth = sum_dth/hw0 av_dq = sum_dq/hw0 av_rho = sum_rho/hw0 av_dtdwn = sum_dtdwn/hw0 av_dqdwn = sum_dqdwn/hw0 wape2 = - rg*hw0*(av_dth $ + eps*(av_thu*av_dq+av_dth*av_qu+av_dth*av_dq ))/av_thvu C 2.2 Prognostic variable update C ------------------------------------------------------------ C Filter out bad wakes IF ( wape2 .LT. 0.) THEN if(prt_level.ge.10) print*,'wape2<0' wape2 = 0. hw = hwmin sigmaw = max(sigmad,sigd_con) fip = 0. DO k = 1,klev deltatw(k) = 0. deltaqw(k) = 0. dth(k) = 0. ENDDO ELSE if(prt_level.ge.10) print*,'wape2>0' Cstar2 = stark*sqrt(2.*wape2) ENDIF ktopw = ktop IF (ktopw .gt. 0) then Cjyg1 Utilisation d'un h_efficace constant ( ~ feeding layer) ccc heff = 600. C Utilisation de la hauteur hw cc heff = 0.7*hw heff = hw FIP = 0.5*rho(ktopw)*Cstar2**3*heff*2*sqrt(sigmaw*wdens*3.14) FIP = alpk * FIP Cjyg2 ELSE FIP = 0. ENDIF C Limitation de sigmaw c C sécurité : si le wake occuppe plus de 90 % de la surface de la maille, C alors il disparait en se mélangeant à la partie undisturbed ! correction NICOLAS . ((wape.ge.wape2).and.(wape2.le.1.0))) THEN IF ((sigmaw.GT.0.9).or. . ((wape.ge.wape2).and.(wape2.le.1.0)).or.(ktopw.le.2)) THEN cIM cf NR/JYG 251108 . ((wape.ge.wape2).and.(wape2.le.1.0))) THEN c IF (sigmaw.GT.0.9) THEN DO k = 1,klev dtls(k) = 0. dqls(k) = 0. deltatw(k) = 0. deltaqw(k) = 0. ENDDO wape = 0. hw = hwmin sigmaw = sigmad fip = 0. ENDIF RETURN END