SUBROUTINE SW_venus_rh(PRMU0, PFRAC, latdeg, S PPA, PPB, pt, S PHEAT, S PTOPSW,PSOLSW,ZFSNET) use dimphy use cpdet_phy_mod, only: cpdet IMPLICIT none #include "YOMCST.h" C C ------------------------------------------------------------------ C C PURPOSE. C -------- C c this routine loads and interpolates the shortwave radiation c fluxes taken from Rainer Haus calculations for Venus. c Ref: Haus et al. 2016 C C AUTHOR. C ------- C Sebastien Lebonnois C C MODIFICATIONS. C -------------- C ORIGINAL : 5/2016 C ------------------------------------------------------------------ C C* ARGUMENTS: C c inputs REAL PRMU0 ! COSINE OF ZENITHAL ANGLE REAL PFRAC ! fraction de la journee REAL latdeg ! |latitude| (in degrees) REAL PPB(klev+1) ! inter-couches PRESSURE (bar) REAL PPA(klev) REAL pt(klev) ! mid-layer temperature C c output REAL PHEAT(klev) ! SHORTWAVE HEATING (K/s) within each layer REAL PHEATPPA(klev) REAL PTOPSW ! SHORTWAVE FLUX AT T.O.A. (net) REAL PSOLSW ! SHORTWAVE FLUX AT SURFACE (net) REAL ZFSNET(klev+1) ! net solar flux at ppb levels C C* LOCAL VARIABLES: C integer nlrh,nszarh,nlatrh parameter (nlrh=118) ! fichiers Rainer Haus parameter (nszarh=7) ! fichiers Rainer Haus parameter (nlatrh=19) ! fichiers Rainer Haus integer i,j,k,lat,nsza,nsza0(2),nl0,nlat0 real zsnet(nlrh+1,nszarh+1,nlatrh+1)! net solar flux (W/m**2) (+ vers bas) real solza(nszarh,nlatrh) ! solar zenith angles in table real presrh(nlrh+1) ! pressure in table (bar) real logplayrh(nlrh) real altrh(nlrh+1) ! altitude in table (km) real latrh(nlatrh) ! latitude in table (degrees) character*22 nullchar real sza0,factsza(2),factflux,factlat real zsnetmoy logical firstcall data firstcall/.true./ save solza,zsnet,altrh,latrh,presrh save firstcall real Tplay(nlrh) real Qrh1(nlrh) real Qrh2(nlrh) real Qrh3(nlrh) real Qrh4(nlrh) c ------------------------ c Loading the file c ------------------------ if (firstcall) then zsnet=0. open(11,file='SolarNetFlux_RH.dat') do i=1,nlrh+1 read(11,'(E5.1,4x,F8.2)') altrh(i),presrh(i) enddo do lat=1,nlatrh latrh(lat)=5.*(lat-1) read(11,*) nullchar read(11,*) nullchar read(11,'(3x,7(5x,E8.5))') solza(:,lat) read(11,*) nullchar do i=1,nlrh+1 read(11,'(E6.1,7(2x,F11.5),7x,F11.5)') . altrh(i),zsnet(i,1:nszarh,lat),zsnetmoy enddo read(11,*) nullchar enddo latrh(nlatrh)=89. c Correction of factor 2 in the table... zsnet=zsnet*2. close(11) firstcall=.false. endif c -------------------------------------- c Interpolation in the GCM vertical grid c -------------------------------------- c Latitude c --------- do lat=1,nlatrh if (latrh(lat).le.latdeg) then nlat0 = lat+1 endif enddo if (nlat0.ne.nlatrh+1) then factlat = (latdeg-latrh(nlat0-1))/(latrh(nlat0)-latrh(nlat0-1)) else factlat = min((latdeg-latrh(nlatrh))/(90.-latrh(nlatrh)), 1.) endif c Zenith angle c ------------ sza0 = acos(PRMU0)/3.1416*180. nsza0(:)=2 do nsza=1,nszarh if (solza(nsza,nlat0-1).le.sza0) then nsza0(1) = nsza+1 endif enddo if (nsza0(1).ne.nszarh+1) then factsza(1) = (sza0-solza(nsza0(1)-1,nlat0-1))/ . (solza(nsza0(1),nlat0-1)-solza(nsza0(1)-1,nlat0-1)) else factsza(1) = min((sza0-solza(nszarh,nlat0-1))/ . (90.-solza(nszarh,nlat0-1)), 1.) endif if (nlat0.ne.nlatrh+1) then do nsza=1,nszarh if (solza(nsza,nlat0).le.sza0) then nsza0(2) = nsza+1 endif enddo if (nsza0(2).eq.nszarh+1) then factsza(2) = min((sza0-solza(nszarh,nlat0))/ . (90.-solza(nszarh,nlat0)), 1.) elseif ((nsza0(2).eq.2).and.(solza(1,nlat0).gt.sza0)) then factsza(2) = 0. else factsza(2) = (sza0-solza(nsza0(2)-1,nlat0))/ . (solza(nsza0(2),nlat0)-solza(nsza0(2)-1,nlat0)) endif else nsza0(2) = nszarh+1 factsza(2) = 1. endif c Pressure levels c --------------- do j=1,klev+1 nl0 = nlrh do i=nlrh+1,2,-1 if (presrh(i).ge.PPB(j)) then nl0 = i-1 endif enddo factflux = (log10(max(PPB(j),presrh(1)))-log10(presrh(nl0+1))) . /(log10(presrh(nl0))-log10(presrh(nl0+1))) ZFSNET(j) = factlat*( . factflux * factsza(2) *zsnet(nl0,nsza0(2),nlat0) . + factflux *(1.-factsza(2))*zsnet(nl0,nsza0(2)-1,nlat0) . + (1.-factflux)* factsza(2) *zsnet(nl0+1,nsza0(2),nlat0) . + (1.-factflux)*(1.-factsza(2))*zsnet(nl0+1,nsza0(2)-1,nlat0) ) . + (1.-factlat)*( . factflux * factsza(1) *zsnet(nl0,nsza0(1),nlat0-1) . + factflux *(1.-factsza(1))*zsnet(nl0,nsza0(1)-1,nlat0-1) . + (1.-factflux)* factsza(1) *zsnet(nl0+1,nsza0(1),nlat0-1) . + (1.-factflux)*(1.-factsza(1))*zsnet(nl0+1,nsza0(1)-1,nlat0-1) ) ZFSNET(j) = ZFSNET(j)*PFRAC enddo PTOPSW = ZFSNET(klev+1) PSOLSW = ZFSNET(1) #ifdef MESOSCALE ! extrapolation play RH pressure do j=1,nlrh logplayrh(j)=(log(presrh(j+1))+log(presrh(j)))/2. enddo ! Extrapolation of temperature over RH play pressure do i=nlrh,2,-1 nl0 = 2 do j=1,klev-1 if (exp(logplayrh(i)).le.PPA(j)) then nl0 = j+1 endif enddo factflux = (log10(max(exp(logplayrh(i)),PPA(klev))) . -log10(PPA(nl0-1))) . /(log10(PPA(nl0))-log10(PPA(nl0-1))) Tplay(i)=factflux*pt(nl0) . + (1.-factflux)*pt(nl0-1) ENDDO ! RH PHEAT over RH play pressure DO k=1,nlrh c Qrh1(k)=((RG/cpdet(Tplay(k))) . *((zsnet(k+1,nsza0(1),nlat0-1)-zsnet(k,nsza0(1),nlat0-1)) . *PFRAC)) . /((presrh(k)-presrh(k+1))*1.e5) Qrh2(k)=((RG/cpdet(Tplay(k))) . *((zsnet(k+1,nsza0(1)-1,nlat0-1)-zsnet(k,nsza0(1)-1,nlat0-1)) . *PFRAC)) . /((presrh(k)-presrh(k+1))*1.e5) Qrh3(k)=((RG/cpdet(Tplay(k))) . *((zsnet(k+1,nsza0(2),nlat0)-zsnet(k,nsza0(2),nlat0)) . *PFRAC)) . /((presrh(k)-presrh(k+1))*1.e5) Qrh4(k)=((RG/cpdet(Tplay(k))) . *((zsnet(k+1,nsza0(2)-1,nlat0)-zsnet(k,nsza0(2)-1,nlat0)) . *PFRAC)) . /((presrh(k)-presrh(k+1))*1.e5) ENDDO ! Interapolation of PHEAT over GCM/MESOSCALE play levels do j=1,klev nl0 = nlrh-1 do i=nlrh,2,-1 if (exp(logplayrh(i)).ge.PPA(j)) then nl0 = i-1 endif enddo c factflux = (log10(max(PPB(j),presrh(1)))-log10(presrh(nl0+1))) c . /(log10(presrh(nl0))-log10(presrh(nl0+1))) factflux = (log10(max(PPA(j),exp(logplayrh(1)))) . -log10(exp(logplayrh(nl0+1)))) . /(log10(exp(logplayrh(nl0)))-log10(exp(logplayrh(nl0+1)))) PHEATPPA(j)=factlat*( . factflux * factsza(2) *Qrh3(nl0) . + factflux *(1.-factsza(2))*Qrh4(nl0) . + (1.-factflux)* factsza(2) *Qrh3(nl0+1) . + (1.-factflux)*(1.-factsza(2))*Qrh4(nl0+1)) . + (1.-factlat)*( . factflux * factsza(1) *Qrh1(nl0) . + factflux *(1.-factsza(1))*Qrh2(nl0) . + (1.-factflux)* factsza(1) *Qrh1(nl0+1) . + (1.-factflux)*(1.-factsza(1))*Qrh2(nl0+1) ) PHEAT(j)=PHEATPPA(j) ENDDO #else c Heating rates c ------------- c On utilise le gradient du flux pour calculer le taux de chauffage: c heat(K/s) = d(fluxnet) (W/m2) c *g (m/s2) c /(-dp) (epaisseur couche, en Pa=kg/m/s2) c /cp (J/kg/K) do j=1,klev ! ADAPTATION GCM POUR CP(T) PHEAT(j) = (ZFSNET(j+1)-ZFSNET(j)) . *RG/cpdet(pt(j)) / ((PPB(j)-PPB(j+1))*1.e5) c-----TEST------- c tayloring the solar flux... if ((PPB(j).gt.1.4).and.(PPB(j).le.10.)) then PHEAT(j) = PHEAT(j)*3 endif c---------------- enddo #endif return end