Index: LMDZ4/branches/LMDZ4-dev/libf/phylmd/newmicro.F =================================================================== --- LMDZ4/branches/LMDZ4-dev/libf/phylmd/newmicro.F (revision 1091) +++ LMDZ4/branches/LMDZ4-dev/libf/phylmd/newmicro.F (revision 1092) @@ -110,191 +110,273 @@ REAL zclear(klon) REAL zcloud(klon) + +c ************************** +c * * +c * DEBUT PARTIE OPTIMISEE * +c * * +c ************************** + + REAL diff_paprs(klon, klev), zfice1, zfice2(klon, klev) + REAL rad_chaud_tab(klon, klev), zflwp_var, zfiwp_var + c c Calculer l'epaisseur optique et l'emmissivite des nuages c -cIM inversion des DO - DO i = 1, klon - xflwp(i)=0. - xfiwp(i)=0. -cccccccccccc!CDIR NOVECTOR +c IM inversion des DO + xflwp = 0.d0 + xfiwp = 0.d0 + xflwc = 0.d0 + xfiwc = 0.d0 + DO k = 1, klev -c - xflwc(i,k)=0. - xfiwc(i,k)=0. -c - rad_chaud = rad_chau1 - IF (k.LE.3) rad_chaud = rad_chau2 - pclc(i,k) = MAX(pclc(i,k), seuil_neb) - zflwp(i) = 1000.*pqlwp(i,k)/RG/pclc(i,k) - . *(paprs(i,k)-paprs(i,k+1)) - zfice = 1.0 - (t(i,k)-t_glace) / (273.13-t_glace) - zfice = MIN(MAX(zfice,0.0),1.0) - zfice = zfice**nexpo - radius = rad_chaud * (1.-zfice) + rad_froid * zfice - coef = coef_chau * (1.-zfice) + coef_froi * zfice - pcltau(i,k) = 3.0/2.0 * zflwp(i) / radius - pclemi(i,k) = 1.0 - EXP( - coef * zflwp(i)) - - if (ok_newmicro) then - -c -- liquid/ice cloud water paths: - - zfice = 1.0 - (t(i,k)-t_glace) / (273.13-t_glace) - zfice = MIN(MAX(zfice,0.0),1.0) - - zflwp(i) = 1000.*(1.-zfice)*pqlwp(i,k)/pclc(i,k) - : *(paprs(i,k)-paprs(i,k+1))/RG - zfiwp(i) = 1000.*zfice*pqlwp(i,k)/pclc(i,k) - : *(paprs(i,k)-paprs(i,k+1))/RG - - xflwp(i) = xflwp(i)+ (1.-zfice)*pqlwp(i,k) - : *(paprs(i,k)-paprs(i,k+1))/RG - xfiwp(i) = xfiwp(i)+ zfice*pqlwp(i,k) - : *(paprs(i,k)-paprs(i,k+1))/RG - -cIM Total Liquid/Ice water content - xflwc(i,k) = xflwc(i,k)+(1.-zfice)*pqlwp(i,k) - xfiwc(i,k) = xfiwc(i,k)+zfice*pqlwp(i,k) -cIM In-Cloud Liquid/Ice water content -c xflwc(i,k) = xflwc(i,k)+(1.-zfice)*pqlwp(i,k)/pclc(i,k) -c xfiwc(i,k) = xfiwc(i,k)+zfice*pqlwp(i,k)/pclc(i,k) - -c -- effective cloud droplet radius (microns): - -c for liquid water clouds: + DO i = 1, klon + diff_paprs(i,k) = (paprs(i,k)-paprs(i,k+1))/RG + ENDDO + ENDDO + + IF (ok_newmicro) THEN + + + DO k = 1, klev + DO i = 1, klon + zfice2(i,k) = 1.0 - (t(i,k)-t_glace) / (273.13-t_glace) + zfice2(i,k) = MIN(MAX(zfice2(i,k),0.0),1.0) +c IM Total Liquid/Ice water content + xflwc(i,k) = (1.-zfice2(i,k))*pqlwp(i,k) + xfiwc(i,k) = zfice2(i,k)*pqlwp(i,k) +c IM In-Cloud Liquid/Ice water content +c xflwc(i,k) = xflwc(i,k)+(1.-zfice)*pqlwp(i,k)/pclc(i,k) +c xfiwc(i,k) = xfiwc(i,k)+zfice*pqlwp(i,k)/pclc(i,k) + ENDDO + ENDDO + IF (ok_aie) THEN - ! Formula "D" of Boucher and Lohmann, Tellus, 1995 - ! - cdnc(i,k) = 10.**(bl95_b0+bl95_b1* - . log(MAX(sulfate(i,k),1.e-4))/log(10.))*1.e6 !-m-3 - ! Cloud droplet number concentration (CDNC) is restricted - ! to be within [20, 1000 cm^3] - ! - cdnc(i,k)=MIN(1000.e6,MAX(20.e6,cdnc(i,k))) - ! - ! - cdnc_pi(i,k) = 10.**(bl95_b0+bl95_b1* - . log(MAX(sulfate_pi(i,k),1.e-4))/log(10.))*1.e6 !-m-3 - cdnc_pi(i,k)=MIN(1000.e6,MAX(20.e6,cdnc_pi(i,k))) - ! - ! - ! air density: pplay(i,k) / (RD * zT(i,k)) - ! factor 1.1: derive effective radius from volume-mean radius - ! factor 1000 is the water density - ! _chaud means that this is the CDR for liquid water clouds - ! - rad_chaud = - . 1.1 * ( (pqlwp(i,k) * pplay(i,k) / (RD * T(i,k)) ) - . / (4./3. * RPI * 1000. * cdnc(i,k)) )**(1./3.) - ! - ! Convert to um. CDR shall be at least 3 um. - ! -c rad_chaud = MAX(rad_chaud*1.e6, 3.) - rad_chaud = MAX(rad_chaud*1.e6, 5.) - - ! Pre-industrial cloud opt thickness - ! - ! "radius" is calculated as rad_chaud above (plus the - ! ice cloud contribution) but using cdnc_pi instead of - ! cdnc. - radius = - . 1.1 * ( (pqlwp(i,k) * pplay(i,k) / (RD * T(i,k)) ) - . / (4./3. * RPI * 1000. * cdnc_pi(i,k)) )**(1./3.) - radius = MAX(radius*1.e6, 5.) - - tc = t(i,k)-273.15 - rei = 0.71*tc + 61.29 - if (tc.le.-81.4) rei = 3.5 - if (zflwp(i).eq.0.) radius = 1. - if (zfiwp(i).eq.0. .or. rei.le.0.) rei = 1. - cldtaupi(i,k) = 3.0/2.0 * zflwp(i) / radius - . + zfiwp(i) * (3.448e-03 + 2.431/rei) - ENDIF ! ok_aie - ! For output diagnostics - ! - ! Cloud droplet effective radius [um] - ! - ! we multiply here with f * xl (fraction of liquid water - ! clouds in the grid cell) to avoid problems in the - ! averaging of the output. - ! In the output of IOIPSL, derive the real cloud droplet - ! effective radius as re/fl - ! - fl(i,k) = pclc(i,k)*(1.-zfice) - re(i,k) = rad_chaud*fl(i,k) - -c-jq end + DO k = 1, klev + DO i = 1, klon + ! Formula "D" of Boucher and Lohmann, Tellus, 1995 + ! + cdnc(i,k) = 10.**(bl95_b0+bl95_b1* + & log(MAX(sulfate(i,k),1.e-4))/log(10.))*1.e6 !-m-3 + ! Cloud droplet number concentration (CDNC) is restricted + ! to be within [20, 1000 cm^3] + ! + cdnc(i,k)=MIN(1000.e6,MAX(20.e6,cdnc(i,k))) + ! + ! + cdnc_pi(i,k) = 10.**(bl95_b0+bl95_b1* + & log(MAX(sulfate_pi(i,k),1.e-4))/log(10.))*1.e6 !-m-3 + cdnc_pi(i,k)=MIN(1000.e6,MAX(20.e6,cdnc_pi(i,k))) + ENDDO + ENDDO + DO k = 1, klev + DO i = 1, klon +! rad_chaud_tab(i,k) = +! & MAX(1.1e6 +! & *((pqlwp(i,k)*pplay(i,k)/(RD * T(i,k))) +! & /(4./3*RPI*1000.*cdnc(i,k)) )**(1./3.),5.) + rad_chaud_tab(i,k) = + & 1.1 + & *((pqlwp(i,k)*pplay(i,k)/(RD * T(i,k))) + & /(4./3*RPI*1000.*cdnc(i,k)) )**(1./3.) + rad_chaud_tab(i,k) = MAX(rad_chaud_tab(i,k) * 1e6, 5.) + ENDDO + ENDDO + ELSE + DO k = 1, MIN(3,klev) + DO i = 1, klon + rad_chaud_tab(i,k) = rad_chau2 + ENDDO + ENDDO + DO k = MIN(3,klev)+1, klev + DO i = 1, klon + rad_chaud_tab(i,k) = rad_chau1 + ENDDO + ENDDO + + ENDIF - rel = rad_chaud -c for ice clouds: as a function of the ambiant temperature -c [formula used by Iacobellis and Somerville (2000), with an -c asymptotical value of 3.5 microns at T<-81.4 C added to be -c consistent with observations of Heymsfield et al. 1986]: - tc = t(i,k)-273.15 - rei = 0.71*tc + 61.29 - if (tc.le.-81.4) rei = 3.5 - -c -- cloud optical thickness : - -c [for liquid clouds, traditional formula, -c for ice clouds, Ebert & Curry (1992)] - - if (zflwp(i).eq.0.) rel = 1. - if (zfiwp(i).eq.0. .or. rei.le.0.) rei = 1. - pcltau(i,k) = 3.0/2.0 * ( zflwp(i)/rel ) - . + zfiwp(i) * (3.448e-03 + 2.431/rei) - -c -- cloud infrared emissivity: - -c [the broadband infrared absorption coefficient is parameterized -c as a function of the effective cld droplet radius] - -c Ebert and Curry (1992) formula as used by Kiehl & Zender (1995): - k_ice = k_ice0 + 1.0/rei - - pclemi(i,k) = 1.0 - . - EXP( - coef_chau*zflwp(i) - DF*k_ice*zfiwp(i) ) - - endif ! ok_newmicro - - lo = (pclc(i,k) .LE. seuil_neb) - IF (lo) pclc(i,k) = 0.0 - IF (lo) pcltau(i,k) = 0.0 - IF (lo) pclemi(i,k) = 0.0 - - IF (lo) cldtaupi(i,k) = 0.0 - IF (.NOT.ok_aie) cldtaupi(i,k)=pcltau(i,k) - ENDDO - ENDDO -ccc DO k = 1, klev -ccc DO i = 1, klon -ccc t(i,k) = t(i,k) -ccc pclc(i,k) = MAX( 1.e-5 , pclc(i,k) ) -ccc lo = pclc(i,k) .GT. (2.*1.e-5) -ccc zflwp = pqlwp(i,k)*1000.*(paprs(i,k)-paprs(i,k+1)) -ccc . /(rg*pclc(i,k)) -ccc zradef = 10.0 + (1.-sigs(k))*45.0 -ccc pcltau(i,k) = 1.5 * zflwp / zradef -ccc zfice=1.0-MIN(MAX((t(i,k)-263.)/(273.-263.),0.0),1.0) -ccc zmsac = 0.13*(1.0-zfice) + 0.08*zfice -ccc pclemi(i,k) = 1.-EXP(-zmsac*zflwp) -ccc if (.NOT.lo) pclc(i,k) = 0.0 -ccc if (.NOT.lo) pcltau(i,k) = 0.0 -ccc if (.NOT.lo) pclemi(i,k) = 0.0 -ccc ENDDO -ccc ENDDO -cccccc print*, 'pas de nuage dans le rayonnement' -cccccc DO k = 1, klev -cccccc DO i = 1, klon -cccccc pclc(i,k) = 0.0 -cccccc pcltau(i,k) = 0.0 -cccccc pclemi(i,k) = 0.0 -cccccc ENDDO -cccccc ENDDO -C -C COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS -C -cIM cf. CR:test: calcul prenant ou non en compte le recouvrement -cinitialisations + DO k = 1, klev +! IF(.not.ok_aie) THEN + rad_chaud = rad_chau1 + IF (k.LE.3) rad_chaud = rad_chau2 +! ENDIF + DO i = 1, klon + IF (pclc(i,k) .LE. seuil_neb) THEN + +c -- effective cloud droplet radius (microns): + +c for liquid water clouds: + ! For output diagnostics + ! + ! Cloud droplet effective radius [um] + ! + ! we multiply here with f * xl (fraction of liquid water + ! clouds in the grid cell) to avoid problems in the + ! averaging of the output. + ! In the output of IOIPSL, derive the real cloud droplet + ! effective radius as re/fl + ! + + fl(i,k) = seuil_neb*(1.-zfice2(i,k)) + re(i,k) = rad_chaud_tab(i,k)*fl(i,k) + + pclc(i,k) = 0.0 + pcltau(i,k) = 0.0 + pclemi(i,k) = 0.0 + cldtaupi(i,k) = 0.0 + ELSE + +c -- liquid/ice cloud water paths: + + zflwp_var= 1000.*(1.-zfice2(i,k))*pqlwp(i,k)/pclc(i,k) + & *diff_paprs(i,k) + zfiwp_var= 1000.*zfice2(i,k)*pqlwp(i,k)/pclc(i,k) + & *diff_paprs(i,k) + +c -- effective cloud droplet radius (microns): + +c for liquid water clouds: + + IF (ok_aie) THEN + radius = + & 1.1 + & *((pqlwp(i,k)*pplay(i,k)/(RD * T(i,k))) + & /(4./3.*RPI*1000.*cdnc_pi(i,k)))**(1./3.) + radius = MAX(radius*1e6, 5.) + + tc = t(i,k)-273.15 + rei = 0.71*tc + 61.29 + if (tc.le.-81.4) rei = 3.5 + if (zflwp_var.eq.0.) radius = 1. + if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1. + cldtaupi(i,k) = 3.0/2.0 * zflwp_var / radius + & + zfiwp_var * (3.448e-03 + 2.431/rei) + ENDIF ! ok_aie + ! For output diagnostics + ! + ! Cloud droplet effective radius [um] + ! + ! we multiply here with f * xl (fraction of liquid water + ! clouds in the grid cell) to avoid problems in the + ! averaging of the output. + ! In the output of IOIPSL, derive the real cloud droplet + ! effective radius as re/fl + ! + + fl(i,k) = pclc(i,k)*(1.-zfice2(i,k)) + re(i,k) = rad_chaud_tab(i,k)*fl(i,k) + + rel = rad_chaud_tab(i,k) +c for ice clouds: as a function of the ambiant temperature +c [formula used by Iacobellis and Somerville (2000), with an +c asymptotical value of 3.5 microns at T<-81.4 C added to be +c consistent with observations of Heymsfield et al. 1986]: + tc = t(i,k)-273.15 + rei = 0.71*tc + 61.29 + if (tc.le.-81.4) rei = 3.5 +c -- cloud optical thickness : + +c [for liquid clouds, traditional formula, +c for ice clouds, Ebert & Curry (1992)] + + if (zflwp_var.eq.0.) rel = 1. + if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1. + pcltau(i,k) = 3.0/2.0 * ( zflwp_var/rel ) + & + zfiwp_var * (3.448e-03 + 2.431/rei) +c -- cloud infrared emissivity: + +c [the broadband infrared absorption coefficient is parameterized +c as a function of the effective cld droplet radius] + +c Ebert and Curry (1992) formula as used by Kiehl & Zender (1995): + k_ice = k_ice0 + 1.0/rei + + pclemi(i,k) = 1.0 + & - EXP( -coef_chau*zflwp_var - DF*k_ice*zfiwp_var) + + ENDIF + + ENDDO + ENDDO + + DO k = 1, klev + DO i = 1, klon + xflwp(i) = xflwp(i)+ xflwc(i,k) * diff_paprs(i,k) + xfiwp(i) = xfiwp(i)+ xfiwc(i,k) * diff_paprs(i,k) + ENDDO + ENDDO + + ELSE + DO k = 1, klev + rad_chaud = rad_chau1 + IF (k.LE.3) rad_chaud = rad_chau2 + DO i = 1, klon + + IF (pclc(i,k) .LE. seuil_neb) THEN + + pclc(i,k) = 0.0 + pcltau(i,k) = 0.0 + pclemi(i,k) = 0.0 + cldtaupi(i,k) = 0.0 + + ELSE + + zflwp_var = 1000.*pqlwp(i,k)*diff_paprs(i,k) + & /pclc(i,k) + + zfice1 = MIN( + & MAX( 1.0 - (t(i,k)-t_glace) / (273.13-t_glace) + & ,0.0),1.0)**nexpo + + radius = rad_chaud * (1.-zfice1) + rad_froid * zfice1 + coef = coef_chau * (1.-zfice1) + coef_froi * zfice1 + + pcltau(i,k) = 3.0 * zflwp_var / (2.0 * radius) + pclemi(i,k) = 1.0 - EXP( - coef * zflwp_var) + + ENDIF + + ENDDO + ENDDO + ENDIF + + IF (.NOT.ok_aie) THEN + DO k = 1, klev + DO i = 1, klon + cldtaupi(i,k)=pcltau(i,k) + ENDDO + ENDDO + ENDIF + +ccc DO k = 1, klev +ccc DO i = 1, klon +ccc t(i,k) = t(i,k) +ccc pclc(i,k) = MAX( 1.e-5 , pclc(i,k) ) +ccc lo = pclc(i,k) .GT. (2.*1.e-5) +ccc zflwp = pqlwp(i,k)*1000.*(paprs(i,k)-paprs(i,k+1)) +ccc . /(rg*pclc(i,k)) +ccc zradef = 10.0 + (1.-sigs(k))*45.0 +ccc pcltau(i,k) = 1.5 * zflwp / zradef +ccc zfice=1.0-MIN(MAX((t(i,k)-263.)/(273.-263.),0.0),1.0) +ccc zmsac = 0.13*(1.0-zfice) + 0.08*zfice +ccc pclemi(i,k) = 1.-EXP(-zmsac*zflwp) +ccc if (.NOT.lo) pclc(i,k) = 0.0 +ccc if (.NOT.lo) pcltau(i,k) = 0.0 +ccc if (.NOT.lo) pclemi(i,k) = 0.0 +ccc ENDDO +ccc ENDDO +ccccc print*, 'pas de nuage dans le rayonnement' +ccccc DO k = 1, klev +ccccc DO i = 1, klon +ccccc pclc(i,k) = 0.0 +ccccc pcltau(i,k) = 0.0 +ccccc pclemi(i,k) = 0.0 +ccccc ENDDO +ccccc ENDDO +C +C COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS +C +c IM cf. CR:test: calcul prenant ou non en compte le recouvrement +c initialisations DO i=1,klon zclear(i)=1. @@ -308,56 +390,70 @@ cIM cf CR DO k=1,klev DO k = klev, 1, -1 - DO i = 1, klon - pctlwp(i) = pctlwp(i) - . + pqlwp(i,k)*(paprs(i,k)-paprs(i,k+1))/RG -cIM cf. CR - IF (NOVLP.EQ.1) THEN + DO i = 1, klon + pctlwp(i) = pctlwp(i) + & + pqlwp(i,k)*diff_paprs(i,k) + ENDDO + ENDDO +c IM cf. CR + IF (NOVLP.EQ.1) THEN + DO k = klev, 1, -1 + DO i = 1, klon zclear(i)=zclear(i)*(1.-MAX(pclc(i,k),zcloud(i))) - s /(1.-MIN(zcloud(i),1.-ZEPSEC)) + & /(1.-MIN(zcloud(i),1.-ZEPSEC)) pct(i)=1.-zclear(i) - if (pplay(i,k).LE.cetahb*paprs(i,1)) then + IF (pplay(i,k).LE.cetahb*paprs(i,1)) THEN pch(i) = pch(i)*(1.-MAX(pclc(i,k),zcloud(i))) - s /(1.-MIN(zcloud(i),1.-ZEPSEC)) - else if (pplay(i,k).GT.cetahb*paprs(i,1) .AND. - . pplay(i,k).LE.cetamb*paprs(i,1)) then + & /(1.-MIN(zcloud(i),1.-ZEPSEC)) + ELSE IF (pplay(i,k).GT.cetahb*paprs(i,1) .AND. + & pplay(i,k).LE.cetamb*paprs(i,1)) THEN pcm(i) = pcm(i)*(1.-MAX(pclc(i,k),zcloud(i))) - s /(1.-MIN(zcloud(i),1.-ZEPSEC)) - else if (pplay(i,k).GT.cetamb*paprs(i,1)) then + & /(1.-MIN(zcloud(i),1.-ZEPSEC)) + ELSE IF (pplay(i,k).GT.cetamb*paprs(i,1)) THEN pcl(i) = pcl(i)*(1.-MAX(pclc(i,k),zcloud(i))) - s /(1.-MIN(zcloud(i),1.-ZEPSEC)) + & /(1.-MIN(zcloud(i),1.-ZEPSEC)) endif zcloud(i)=pclc(i,k) - ELSE IF (NOVLP.EQ.2) THEN + ENDDO + ENDDO + ELSE IF (NOVLP.EQ.2) THEN + DO k = klev, 1, -1 + DO i = 1, klon zcloud(i)=MAX(pclc(i,k),zcloud(i)) pct(i)=zcloud(i) - if (pplay(i,k).LE.cetahb*paprs(i,1)) then + IF (pplay(i,k).LE.cetahb*paprs(i,1)) THEN pch(i) = MIN(pclc(i,k),pch(i)) - else if (pplay(i,k).GT.cetahb*paprs(i,1) .AND. - . pplay(i,k).LE.cetamb*paprs(i,1)) then + ELSE IF (pplay(i,k).GT.cetahb*paprs(i,1) .AND. + & pplay(i,k).LE.cetamb*paprs(i,1)) THEN pcm(i) = MIN(pclc(i,k),pcm(i)) - else if (pplay(i,k).GT.cetamb*paprs(i,1)) then + ELSE IF (pplay(i,k).GT.cetamb*paprs(i,1)) THEN pcl(i) = MIN(pclc(i,k),pcl(i)) endif - ELSE IF (NOVLP.EQ.3) THEN + ENDDO + ENDDO + ELSE IF (NOVLP.EQ.3) THEN + DO k = klev, 1, -1 + DO i = 1, klon zclear(i)=zclear(i)*(1.-pclc(i,k)) pct(i)=1-zclear(i) - if (pplay(i,k).LE.cetahb*paprs(i,1)) then - pch(i) = pch(i)*(1.0-pclc(i,k)) - else if (pplay(i,k).GT.cetahb*paprs(i,1) .AND. - . pplay(i,k).LE.cetamb*paprs(i,1)) then - pcm(i) = pcm(i)*(1.0-pclc(i,k)) - else if (pplay(i,k).GT.cetamb*paprs(i,1)) then - pcl(i) = pcl(i)*(1.0-pclc(i,k)) + IF (pplay(i,k).LE.cetahb*paprs(i,1)) THEN + pch(i) = pch(i)*(1.0-pclc(i,k)) + ELSE IF (pplay(i,k).GT.cetahb*paprs(i,1) .AND. + & pplay(i,k).LE.cetamb*paprs(i,1)) THEN + pcm(i) = pcm(i)*(1.0-pclc(i,k)) + ELSE IF (pplay(i,k).GT.cetamb*paprs(i,1)) THEN + pcl(i) = pcl(i)*(1.0-pclc(i,k)) endif - ENDIF - ENDDO - ENDDO -C + ENDDO + ENDDO + ENDIF + +C DO i = 1, klon -cIM cf. CR pct(i)=1.-pct(i) +c IM cf. CR pct(i)=1.-pct(i) pch(i)=1.-pch(i) pcm(i)=1.-pcm(i) pcl(i)=1.-pcl(i) ENDDO + C RETURN