| 1 | SUBROUTINE vdifc(ngrid,nlay,nq,co2ice,ppopsk, |
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| 2 | $ ptimestep,pcapcal,lecrit, |
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| 3 | $ pplay,pplev,pzlay,pzlev,pz0, |
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| 4 | $ pu,pv,ph,pq,ptsrf,pemis,pqsurf, |
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| 5 | $ pdufi,pdvfi,pdhfi,pdqfi,pfluxsrf, |
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| 6 | $ pdudif,pdvdif,pdhdif,pdtsrf,pq2, |
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| 7 | $ pdqdif,pdqsdif) |
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| 8 | IMPLICIT NONE |
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| 9 | |
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| 10 | c======================================================================= |
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| 11 | c |
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| 12 | c subject: |
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| 13 | c -------- |
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| 14 | c Turbulent diffusion (mixing) for potential T, U, V and tracer |
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| 15 | c |
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| 16 | c Shema implicite |
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| 17 | c On commence par rajouter au variables x la tendance physique |
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| 18 | c et on resoult en fait: |
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| 19 | c x(t+1) = x(t) + dt * (dx/dt)phys(t) + dt * (dx/dt)difv(t+1) |
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| 20 | c |
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| 21 | c author: |
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| 22 | c ------ |
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| 23 | c Hourdin/Forget/Fournier |
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| 24 | c======================================================================= |
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| 25 | |
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| 26 | c----------------------------------------------------------------------- |
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| 27 | c declarations: |
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| 28 | c ------------- |
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| 29 | |
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| 30 | #include "dimensions.h" |
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| 31 | #include "dimphys.h" |
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| 32 | #include "comcstfi.h" |
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| 33 | #include "callkeys.h" |
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| 34 | #include "surfdat.h" |
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| 35 | #include "comgeomfi.h" |
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| 36 | #include "tracer.h" |
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| 37 | |
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| 38 | #include "watercap.h" |
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| 39 | c |
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| 40 | c arguments: |
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| 41 | c ---------- |
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| 42 | |
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| 43 | INTEGER ngrid,nlay |
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| 44 | REAL ptimestep |
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| 45 | REAL pplay(ngrid,nlay),pplev(ngrid,nlay+1) |
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| 46 | REAL pzlay(ngrid,nlay),pzlev(ngrid,nlay+1) |
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| 47 | REAL pu(ngrid,nlay),pv(ngrid,nlay),ph(ngrid,nlay) |
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| 48 | REAL ptsrf(ngrid),pemis(ngrid) |
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| 49 | REAL pdufi(ngrid,nlay),pdvfi(ngrid,nlay),pdhfi(ngrid,nlay) |
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| 50 | REAL pfluxsrf(ngrid) |
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| 51 | REAL pdudif(ngrid,nlay),pdvdif(ngrid,nlay),pdhdif(ngrid,nlay) |
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| 52 | REAL pdtsrf(ngrid),pcapcal(ngrid) |
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| 53 | REAL pq2(ngrid,nlay+1) |
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| 54 | |
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| 55 | c Argument added for condensation: |
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| 56 | REAL co2ice (ngrid), ppopsk(ngrid,nlay) |
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| 57 | logical lecrit |
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| 58 | REAL pz0 |
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| 59 | |
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| 60 | c Traceurs : |
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| 61 | integer nq |
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| 62 | REAL pqsurf(ngrid,nq) |
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| 63 | real pq(ngrid,nlay,nq), pdqfi(ngrid,nlay,nq) |
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| 64 | real pdqdif(ngrid,nlay,nq) |
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| 65 | real pdqsdif(ngrid,nq) |
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| 66 | |
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| 67 | c local: |
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| 68 | c ------ |
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| 69 | |
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| 70 | INTEGER ilev,ig,ilay,nlev,ierr |
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| 71 | |
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| 72 | REAL z4st,zdplanck(ngridmx) |
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| 73 | REAL zkv(ngridmx,nlayermx+1),zkh(ngridmx,nlayermx+1) |
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| 74 | REAL zcdv(ngridmx),zcdh(ngridmx) |
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| 75 | REAL zcdv_true(ngridmx),zcdh_true(ngridmx) |
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| 76 | REAL zu(ngridmx,nlayermx),zv(ngridmx,nlayermx) |
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| 77 | REAL zh(ngridmx,nlayermx) |
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| 78 | REAL ztsrf2(ngridmx) |
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| 79 | REAL z1(ngridmx),z2(ngridmx) |
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| 80 | REAL za(ngridmx,nlayermx),zb(ngridmx,nlayermx) |
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| 81 | REAL zb0(ngridmx,nlayermx) |
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| 82 | REAL zc(ngridmx,nlayermx),zd(ngridmx,nlayermx) |
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| 83 | REAL zcst1 |
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| 84 | REAL zu2 |
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| 85 | |
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| 86 | EXTERNAL SSUM,SCOPY |
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| 87 | REAL SSUM |
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| 88 | LOGICAL firstcall |
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| 89 | SAVE firstcall |
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| 90 | |
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| 91 | c variable added for CO2 condensation: |
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| 92 | c ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 93 | REAL hh , zhcond(ngridmx,nlayermx), tconds |
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| 94 | REAL latcond,tcond1mb |
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| 95 | REAL acond,bcond |
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| 96 | SAVE acond,bcond |
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| 97 | DATA latcond,tcond1mb/5.9e5,136.27/ |
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| 98 | |
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| 99 | c Tracers : |
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| 100 | c ~~~~~~~ |
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| 101 | INTEGER iq |
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| 102 | REAL zq(ngridmx,nlayermx,nqmx) |
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| 103 | REAL zq1temp(ngridmx) |
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| 104 | REAL rho(ngridmx) ! near surface air density |
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| 105 | REAL qsat(ngridmx) |
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| 106 | DATA firstcall/.true./ |
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| 107 | |
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| 108 | c ** un petit test de coherence |
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| 109 | c -------------------------- |
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| 110 | |
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| 111 | IF (firstcall) THEN |
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| 112 | IF(ngrid.NE.ngridmx) THEN |
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| 113 | PRINT*,'STOP dans coefdifv' |
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| 114 | PRINT*,'probleme de dimensions :' |
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| 115 | PRINT*,'ngrid =',ngrid |
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| 116 | PRINT*,'ngridmx =',ngridmx |
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| 117 | STOP |
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| 118 | ENDIF |
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| 119 | c To compute: Tcond= 1./(bcond-acond*log(.0095*p)) (p in pascal) |
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| 120 | bcond=1./tcond1mb |
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| 121 | acond=r/latcond |
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| 122 | PRINT*,'In vdifc: Tcond(P=1mb)=',tcond1mb,' Lcond=',latcond |
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| 123 | PRINT*,'acond,bcond,ccond',acond,bcond,acond |
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| 124 | |
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| 125 | firstcall=.false. |
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| 126 | ENDIF |
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| 127 | |
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| 128 | |
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| 129 | |
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| 130 | |
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| 131 | |
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| 132 | c----------------------------------------------------------------------- |
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| 133 | c 1. initialisation |
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| 134 | c ----------------- |
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| 135 | |
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| 136 | nlev=nlay+1 |
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| 137 | |
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| 138 | c ** calcul de rho*dz et dt*rho/dz=dt*rho**2 g/dp |
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| 139 | c avec rho=p/RT=p/ (R Theta) (p/ps)**kappa |
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| 140 | c ---------------------------------------- |
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| 141 | |
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| 142 | DO ilay=1,nlay |
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| 143 | DO ig=1,ngrid |
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| 144 | za(ig,ilay)=(pplev(ig,ilay)-pplev(ig,ilay+1))/g |
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| 145 | ENDDO |
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| 146 | ENDDO |
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| 147 | |
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| 148 | zcst1=4.*g*ptimestep/(r*r) |
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| 149 | DO ilev=2,nlev-1 |
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| 150 | DO ig=1,ngrid |
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| 151 | zb0(ig,ilev)=pplev(ig,ilev)* |
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| 152 | s (pplev(ig,1)/pplev(ig,ilev))**rcp / |
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| 153 | s (ph(ig,ilev-1)+ph(ig,ilev)) |
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| 154 | zb0(ig,ilev)=zcst1*zb0(ig,ilev)*zb0(ig,ilev)/ |
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| 155 | s (pplay(ig,ilev-1)-pplay(ig,ilev)) |
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| 156 | ENDDO |
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| 157 | ENDDO |
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| 158 | DO ig=1,ngrid |
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| 159 | zb0(ig,1)=ptimestep*pplev(ig,1)/(r*ptsrf(ig)) |
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| 160 | ENDDO |
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| 161 | |
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| 162 | |
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| 163 | |
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| 164 | c ** diagnostique pour l'initialisation |
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| 165 | c ---------------------------------- |
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| 166 | |
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| 167 | IF(lecrit) THEN |
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| 168 | ig=ngrid/2+1 |
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| 169 | PRINT*,'Pression (mbar) ,altitude (km),u,v,theta, rho dz' |
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| 170 | DO ilay=1,nlay |
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| 171 | WRITE(*,'(6f11.5)') |
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| 172 | s .01*pplay(ig,ilay),.001*pzlay(ig,ilay), |
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| 173 | s pu(ig,ilay),pv(ig,ilay),ph(ig,ilay),za(ig,ilay) |
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| 174 | ENDDO |
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| 175 | PRINT*,'Pression (mbar) ,altitude (km),zb' |
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| 176 | DO ilev=1,nlay |
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| 177 | WRITE(*,'(3f15.7)') |
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| 178 | s .01*pplev(ig,ilev),.001*pzlev(ig,ilev), |
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| 179 | s zb0(ig,ilev) |
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| 180 | ENDDO |
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| 181 | ENDIF |
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| 182 | |
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| 183 | c Potential Condensation temperature: |
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| 184 | c ----------------------------------- |
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| 185 | |
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| 186 | c if (callcond) then |
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| 187 | c DO ilev=1,nlay |
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| 188 | c DO ig=1,ngrid |
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| 189 | c zhcond(ig,ilev) = |
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| 190 | c & (1./(bcond-acond*log(.0095*pplay(ig,ilev))))/ppopsk(ig,ilev) |
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| 191 | c END DO |
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| 192 | c END DO |
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| 193 | c else |
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| 194 | c DO ilev=1,nlay |
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| 195 | c DO ig=1,ngrid |
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| 196 | c zhcond(ig,ilev) = 0. |
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| 197 | c END DO |
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| 198 | c END DO |
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| 199 | c end if |
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| 200 | |
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| 201 | |
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| 202 | c----------------------------------------------------------------------- |
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| 203 | c 2. ajout des tendances physiques |
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| 204 | c ----------------------------- |
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| 205 | |
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| 206 | DO ilev=1,nlay |
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| 207 | DO ig=1,ngrid |
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| 208 | zu(ig,ilev)=pu(ig,ilev)+pdufi(ig,ilev)*ptimestep |
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| 209 | zv(ig,ilev)=pv(ig,ilev)+pdvfi(ig,ilev)*ptimestep |
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| 210 | zh(ig,ilev)=ph(ig,ilev)+pdhfi(ig,ilev)*ptimestep |
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| 211 | zh(ig,ilev)=max(zh(ig,ilev),zhcond(ig,ilev)) |
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| 212 | ENDDO |
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| 213 | ENDDO |
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| 214 | if(tracer) then |
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| 215 | DO iq =1, nq |
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| 216 | DO ilev=1,nlay |
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| 217 | DO ig=1,ngrid |
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| 218 | zq(ig,ilev,iq)=pq(ig,ilev,iq)+pdqfi(ig,ilev,iq)*ptimestep |
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| 219 | ENDDO |
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| 220 | ENDDO |
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| 221 | ENDDO |
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| 222 | end if |
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| 223 | |
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| 224 | c----------------------------------------------------------------------- |
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| 225 | c 3. schema de turbulence |
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| 226 | c -------------------- |
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| 227 | |
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| 228 | c ** source d'energie cinetique turbulente a la surface |
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| 229 | c (condition aux limites du schema de diffusion turbulente |
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| 230 | c dans la couche limite |
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| 231 | c --------------------- |
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| 232 | |
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| 233 | CALL vdif_cd( ngrid,nlay,pz0,g,pzlay,pu,pv,ptsrf,ph |
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| 234 | & ,zcdv_true,zcdh_true) |
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| 235 | DO ig=1,ngrid |
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| 236 | zu2=pu(ig,1)*pu(ig,1)+pv(ig,1)*pv(ig,1) |
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| 237 | zcdv(ig)=zcdv_true(ig)*sqrt(zu2) |
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| 238 | zcdh(ig)=zcdh_true(ig)*sqrt(zu2) |
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| 239 | ENDDO |
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| 240 | |
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| 241 | |
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| 242 | |
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| 243 | |
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| 244 | c ** schema de diffusion turbulente dans la couche limite |
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| 245 | c ---------------------------------------------------- |
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| 246 | |
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| 247 | CALL vdif_kc(ptimestep,g,pzlev,pzlay |
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| 248 | & ,pu,pv,ph,zcdv_true |
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| 249 | & ,pq2,zkv,zkh) |
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| 250 | |
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| 251 | |
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| 252 | |
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| 253 | c ** diagnostique pour le schema de turbulence |
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| 254 | c ----------------------------------------- |
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| 255 | |
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| 256 | IF(lecrit) THEN |
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| 257 | PRINT* |
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| 258 | PRINT*,'Diagnostic for the vertical turbulent mixing' |
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| 259 | PRINT*,'Cd for momentum and potential temperature' |
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| 260 | |
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| 261 | PRINT*,zcdv(ngrid/2+1),zcdh(ngrid/2+1) |
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| 262 | PRINT*,'Mixing coefficient for momentum and pot.temp.' |
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| 263 | DO ilev=1,nlay |
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| 264 | PRINT*,zkv(ngrid/2+1,ilev),zkh(ngrid/2+1,ilev) |
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| 265 | ENDDO |
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| 266 | ENDIF |
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| 267 | |
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| 268 | |
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| 269 | |
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| 270 | |
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| 271 | c----------------------------------------------------------------------- |
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| 272 | c 4. inversion pour l'implicite sur u |
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| 273 | c -------------------------------- |
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| 274 | |
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| 275 | c ** l'equation est |
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| 276 | c u(t+1) = u(t) + dt * {(du/dt)phys}(t) + dt * {(du/dt)difv}(t+1) |
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| 277 | c avec |
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| 278 | c /zu/ = u(t) + dt * {(du/dt)phys}(t) (voir paragraphe 2.) |
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| 279 | c et |
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| 280 | c dt * {(du/dt)difv}(t+1) = dt * {(d/dz)[ Ku (du/dz) ]}(t+1) |
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| 281 | c donc les entrees sont /zcdv/ pour la condition a la limite sol |
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| 282 | c et /zkv/ = Ku |
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| 283 | |
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| 284 | CALL multipl((nlay-1)*ngrid,zkv(1,2),zb0(1,2),zb(1,2)) |
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| 285 | CALL multipl(ngrid,zcdv,zb0,zb) |
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| 286 | |
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| 287 | DO ig=1,ngrid |
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| 288 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
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| 289 | zc(ig,nlay)=za(ig,nlay)*zu(ig,nlay)*z1(ig) |
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| 290 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
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| 291 | ENDDO |
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| 292 | |
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| 293 | DO ilay=nlay-1,1,-1 |
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| 294 | DO ig=1,ngrid |
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| 295 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
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| 296 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
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| 297 | zc(ig,ilay)=(za(ig,ilay)*zu(ig,ilay)+ |
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| 298 | $ zb(ig,ilay+1)*zc(ig,ilay+1))*z1(ig) |
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| 299 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
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| 300 | ENDDO |
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| 301 | ENDDO |
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| 302 | |
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| 303 | DO ig=1,ngrid |
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| 304 | zu(ig,1)=zc(ig,1) |
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| 305 | ENDDO |
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| 306 | DO ilay=2,nlay |
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| 307 | DO ig=1,ngrid |
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| 308 | zu(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zu(ig,ilay-1) |
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| 309 | ENDDO |
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| 310 | ENDDO |
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| 311 | |
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| 312 | |
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| 313 | |
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| 314 | |
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| 315 | |
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| 316 | c----------------------------------------------------------------------- |
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| 317 | c 5. inversion pour l'implicite sur v |
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| 318 | c -------------------------------- |
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| 319 | |
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| 320 | c ** l'equation est |
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| 321 | c v(t+1) = v(t) + dt * {(dv/dt)phys}(t) + dt * {(dv/dt)difv}(t+1) |
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| 322 | c avec |
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| 323 | c /zv/ = v(t) + dt * {(dv/dt)phys}(t) (voir paragraphe 2.) |
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| 324 | c et |
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| 325 | c dt * {(dv/dt)difv}(t+1) = dt * {(d/dz)[ Kv (dv/dz) ]}(t+1) |
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| 326 | c donc les entrees sont /zcdv/ pour la condition a la limite sol |
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| 327 | c et /zkv/ = Kv |
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| 328 | |
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| 329 | DO ig=1,ngrid |
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| 330 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
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| 331 | zc(ig,nlay)=za(ig,nlay)*zv(ig,nlay)*z1(ig) |
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| 332 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
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| 333 | ENDDO |
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| 334 | |
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| 335 | DO ilay=nlay-1,1,-1 |
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| 336 | DO ig=1,ngrid |
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| 337 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
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| 338 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
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| 339 | zc(ig,ilay)=(za(ig,ilay)*zv(ig,ilay)+ |
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| 340 | $ zb(ig,ilay+1)*zc(ig,ilay+1))*z1(ig) |
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| 341 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
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| 342 | ENDDO |
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| 343 | ENDDO |
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| 344 | |
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| 345 | DO ig=1,ngrid |
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| 346 | zv(ig,1)=zc(ig,1) |
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| 347 | ENDDO |
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| 348 | DO ilay=2,nlay |
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| 349 | DO ig=1,ngrid |
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| 350 | zv(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*zv(ig,ilay-1) |
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| 351 | ENDDO |
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| 352 | ENDDO |
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| 353 | |
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| 354 | |
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| 355 | |
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| 356 | |
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| 357 | |
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| 358 | c----------------------------------------------------------------------- |
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| 359 | c 6. inversion pour l'implicite sur h sans oublier le couplage |
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| 360 | c avec le sol (conduction) |
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| 361 | c ------------------------ |
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| 362 | |
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| 363 | c ** l'equation est |
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| 364 | c h(t+1) = h(t) + dt * {(dh/dt)phys}(t) + dt * {(dh/dt)difv}(t+1) |
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| 365 | c avec |
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| 366 | c /zh/ = h(t) + dt * {(dh/dt)phys}(t) (voir paragraphe 2.) |
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| 367 | c et |
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| 368 | c dt * {(dh/dt)difv}(t+1) = dt * {(d/dz)[ Kh (dh/dz) ]}(t+1) |
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| 369 | c donc les entrees sont /zcdh/ pour la condition de raccord au sol |
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| 370 | c et /zkh/ = Kh |
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| 371 | c ------------- |
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| 372 | |
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| 373 | CALL multipl((nlay-1)*ngrid,zkh(1,2),zb0(1,2),zb(1,2)) |
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| 374 | CALL multipl(ngrid,zcdh,zb0,zb) |
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| 375 | |
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| 376 | DO ig=1,ngrid |
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| 377 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
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| 378 | zc(ig,nlay)=za(ig,nlay)*zh(ig,nlay)*z1(ig) |
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| 379 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
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| 380 | ENDDO |
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| 381 | |
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| 382 | DO ilay=nlay-1,1,-1 |
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| 383 | DO ig=1,ngrid |
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| 384 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
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| 385 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
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| 386 | zc(ig,ilay)=(za(ig,ilay)*zh(ig,ilay)+ |
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| 387 | $ zb(ig,ilay+1)*zc(ig,ilay+1))*z1(ig) |
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| 388 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
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| 389 | ENDDO |
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| 390 | ENDDO |
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| 391 | |
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| 392 | c ** calcul de (d Planck / dT) a la temperature d'interface |
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| 393 | c ------------------------------------------------------ |
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| 394 | |
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| 395 | z4st=4.*5.67e-8*ptimestep |
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| 396 | DO ig=1,ngrid |
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| 397 | zdplanck(ig)=z4st*pemis(ig)*ptsrf(ig)*ptsrf(ig)*ptsrf(ig) |
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| 398 | ENDDO |
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| 399 | |
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| 400 | c ** calcul de la temperature_d'interface et de sa tendance. |
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| 401 | c on ecrit que la somme des flux est nulle a l'interface |
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| 402 | c a t + \delta t, |
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| 403 | c c'est a dire le flux radiatif a {t + \delta t} |
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| 404 | c + le flux turbulent a {t + \delta t} |
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| 405 | c qui s'ecrit K (T1-Tsurf) avec T1 = d1 Tsurf + c1 |
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| 406 | c (notation K dt = /cpp*b/) |
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| 407 | c + le flux dans le sol a t |
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| 408 | c + l'evolution du flux dans le sol lorsque la temperature d'interface |
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| 409 | c passe de sa valeur a t a sa valeur a {t + \delta t}. |
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| 410 | c ---------------------------------------------------- |
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| 411 | |
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| 412 | DO ig=1,ngrid |
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| 413 | z1(ig)=pcapcal(ig)*ptsrf(ig)+cpp*zb(ig,1)*zc(ig,1) |
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| 414 | s +zdplanck(ig)*ptsrf(ig)+ pfluxsrf(ig)*ptimestep |
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| 415 | z2(ig)= pcapcal(ig)+cpp*zb(ig,1)*(1.-zd(ig,1))+zdplanck(ig) |
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| 416 | ztsrf2(ig)=z1(ig)/z2(ig) |
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| 417 | pdtsrf(ig)=(ztsrf2(ig)-ptsrf(ig))/ptimestep |
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| 418 | |
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| 419 | c Modif speciale CO2 condensation: |
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| 420 | c tconds = 1./(bcond-acond*log(.0095*pplev(ig,1))) |
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| 421 | c if ((callcond).and. |
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| 422 | c & ((co2ice(ig).ne.0).or.(ztsrf2(ig).lt.tconds)))then |
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| 423 | c zh(ig,1)=zc(ig,1)+zd(ig,1)*tconds |
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| 424 | c else |
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| 425 | zh(ig,1)=zc(ig,1)+zd(ig,1)*ztsrf2(ig) |
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| 426 | c end if |
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| 427 | ENDDO |
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| 428 | |
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| 429 | c ** et a partir de la temperature au sol on remonte |
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| 430 | c ----------------------------------------------- |
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| 431 | |
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| 432 | DO ilay=2,nlay |
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| 433 | DO ig=1,ngrid |
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| 434 | hh = max( zh(ig,ilay-1) , zhcond(ig,ilay-1) ) ! modif co2cond |
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| 435 | zh(ig,ilay)=zc(ig,ilay)+zd(ig,ilay)*hh |
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| 436 | ENDDO |
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| 437 | ENDDO |
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| 438 | |
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| 439 | |
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| 440 | c----------------------------------------------------------------------- |
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| 441 | c TRACERS |
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| 442 | c ------- |
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| 443 | |
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| 444 | if(tracer) then |
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| 445 | |
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| 446 | c Using the wind modified by friction for lifting and sublimation |
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| 447 | c ---------------------------------------------------------------- |
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| 448 | DO ig=1,ngrid |
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| 449 | zu2=zu(ig,1)*zu(ig,1)+zv(ig,1)*zv(ig,1) |
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| 450 | zcdv(ig)=zcdv_true(ig)*sqrt(zu2) |
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| 451 | zcdh(ig)=zcdh_true(ig)*sqrt(zu2) |
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| 452 | ENDDO |
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| 453 | |
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| 454 | c Calcul du flux vertical au bas de la premiere couche (dust) : |
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| 455 | c ----------------------------------------------------------- |
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| 456 | do ig=1,ngridmx |
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| 457 | rho(ig) = zb0(ig,1) /ptimestep |
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| 458 | zb(ig,1) = 0. |
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| 459 | end do |
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| 460 | c Dust lifting: |
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| 461 | if (lifting) then |
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| 462 | call dustlift(ngrid,nlay,nq,rho,zcdh_true,zcdh,co2ice, |
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| 463 | $ pdqsdif) |
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| 464 | |
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| 465 | else |
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| 466 | call zerophys(ngrid*nq,pdqsdif) |
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| 467 | end if |
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| 468 | |
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| 469 | c OU calcul de la valeur de q a la surface (water) : |
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| 470 | c ---------------------------------------- |
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| 471 | if (water) then |
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| 472 | call watersat(ngridmx,ptsrf,pplev(1,1),qsat) |
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| 473 | end if |
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| 474 | |
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| 475 | c Inversion pour l'implicite sur q |
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| 476 | c -------------------------------- |
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| 477 | do iq=1,nq |
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| 478 | CALL multipl((nlay-1)*ngrid,zkh(1,2),zb0(1,2),zb(1,2)) |
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| 479 | |
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| 480 | if ((water).and.(iq.eq.nqmx)) then |
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| 481 | c This line is required to account for turbulent transport |
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| 482 | c from surface (e.g. ice) to mid-layer of atmosphere: |
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| 483 | CALL multipl(ngrid,zcdv,zb0,zb(1,1)) |
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| 484 | CALL multipl(ngrid,dryness,zb(1,1),zb(1,1)) |
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| 485 | end if |
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| 486 | |
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| 487 | DO ig=1,ngrid |
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| 488 | z1(ig)=1./(za(ig,nlay)+zb(ig,nlay)) |
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| 489 | zc(ig,nlay)=za(ig,nlay)*zq(ig,nlay,iq)*z1(ig) |
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| 490 | zd(ig,nlay)=zb(ig,nlay)*z1(ig) |
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| 491 | ENDDO |
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| 492 | |
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| 493 | DO ilay=nlay-1,2,-1 |
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| 494 | DO ig=1,ngrid |
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| 495 | z1(ig)=1./(za(ig,ilay)+zb(ig,ilay)+ |
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| 496 | $ zb(ig,ilay+1)*(1.-zd(ig,ilay+1))) |
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| 497 | zc(ig,ilay)=(za(ig,ilay)*zq(ig,ilay,iq)+ |
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| 498 | $ zb(ig,ilay+1)*zc(ig,ilay+1))*z1(ig) |
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| 499 | zd(ig,ilay)=zb(ig,ilay)*z1(ig) |
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| 500 | ENDDO |
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| 501 | ENDDO |
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| 502 | DO ig=1,ngrid |
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| 503 | z1(ig)=1./(za(ig,1)+zb(ig,1)+ |
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| 504 | $ zb(ig,2)*(1.-zd(ig,2))) |
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| 505 | zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+ |
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| 506 | $ zb(ig,2)*zc(ig,2) + |
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| 507 | $ (-pdqsdif(ig,iq)) *ptimestep) *z1(ig) !tracer flux from surface |
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| 508 | ENDDO |
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| 509 | |
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| 510 | IF ((water).and.(iq.eq.nqmx)) then |
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| 511 | c Calculation for turbulent exchange with the surface (for ice) |
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| 512 | DO ig=1,ngrid |
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| 513 | zd(ig,1)=zb(ig,1)*z1(ig) |
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| 514 | zq1temp(ig)=zc(ig,1)+ zd(ig,1)*qsat(ig) |
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| 515 | |
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| 516 | pdqsdif(ig,nq)=rho(ig)*dryness(ig)*zcdv(ig) |
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| 517 | & *(zq1temp(ig)-qsat(ig)) |
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| 518 | c write(*,*)'flux vers le sol=',pdqsdif(ig,nq) |
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| 519 | END DO |
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| 520 | DO ig=1,ngrid |
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| 521 | if(.not.watercaptag(ig)) then |
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| 522 | if ((-pdqsdif(ig,nq)*ptimestep).gt.pqsurf(ig,nq)) then |
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| 523 | c write(*,*)'on sublime plus que qsurf!' |
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| 524 | pdqsdif(ig,nq) = -pqsurf(ig,nq)/ptimestep |
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| 525 | c write(*,*)'flux vers le sol=',pdqsdif(ig,nq) |
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| 526 | z1(ig)=1./(za(ig,1)+ zb(ig,2)*(1.-zd(ig,2))) |
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| 527 | zc(ig,1)=(za(ig,1)*zq(ig,1,iq)+ |
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| 528 | $ zb(ig,2)*zc(ig,2) + |
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| 529 | $ (-pdqsdif(ig,iq)) *ptimestep) *z1(ig) |
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| 530 | zq1temp(ig)=zc(ig,1) |
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| 531 | endif |
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| 532 | endif |
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| 533 | c Starting upward calculations for water : |
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| 534 | zq(ig,1,iq)=zq1temp(ig) |
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| 535 | ENDDO |
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| 536 | ELSE |
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| 537 | c Starting upward calculations for simple mixing of tracer (dust) |
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| 538 | DO ig=1,ngrid |
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| 539 | zq(ig,1,iq)=zc(ig,1) |
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| 540 | ENDDO |
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| 541 | END IF |
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| 542 | |
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| 543 | DO ilay=2,nlay |
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| 544 | DO ig=1,ngrid |
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| 545 | zq(ig,ilay,iq)=zc(ig,ilay)+zd(ig,ilay)*zq(ig,ilay-1,iq) |
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| 546 | ENDDO |
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| 547 | ENDDO |
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| 548 | enddo |
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| 549 | end if |
|---|
| 550 | |
|---|
| 551 | c----------------------------------------------------------------------- |
|---|
| 552 | c 8. calcul final des tendances de la diffusion verticale |
|---|
| 553 | c ---------------------------------------------------- |
|---|
| 554 | |
|---|
| 555 | DO ilev = 1, nlay |
|---|
| 556 | DO ig=1,ngrid |
|---|
| 557 | pdudif(ig,ilev)=( zu(ig,ilev)- |
|---|
| 558 | $ (pu(ig,ilev)+pdufi(ig,ilev)*ptimestep) )/ptimestep |
|---|
| 559 | pdvdif(ig,ilev)=( zv(ig,ilev)- |
|---|
| 560 | $ (pv(ig,ilev)+pdvfi(ig,ilev)*ptimestep) )/ptimestep |
|---|
| 561 | hh = max(ph(ig,ilev)+pdhfi(ig,ilev)*ptimestep , |
|---|
| 562 | $ zhcond(ig,ilev)) ! modif co2cond |
|---|
| 563 | pdhdif(ig,ilev)=( zh(ig,ilev)- hh )/ptimestep |
|---|
| 564 | ENDDO |
|---|
| 565 | ENDDO |
|---|
| 566 | |
|---|
| 567 | |
|---|
| 568 | if (tracer) then |
|---|
| 569 | DO iq = 1, nq |
|---|
| 570 | DO ilev = 1, nlay |
|---|
| 571 | DO ig=1,ngrid |
|---|
| 572 | pdqdif(ig,ilev,iq)=(zq(ig,ilev,iq)- |
|---|
| 573 | $ (pq(ig,ilev,iq) + pdqfi(ig,ilev,iq)*ptimestep))/ptimestep |
|---|
| 574 | ENDDO |
|---|
| 575 | ENDDO |
|---|
| 576 | ENDDO |
|---|
| 577 | end if |
|---|
| 578 | |
|---|
| 579 | c ** diagnostique final |
|---|
| 580 | c ------------------ |
|---|
| 581 | |
|---|
| 582 | IF(lecrit) THEN |
|---|
| 583 | PRINT*,'In vdif' |
|---|
| 584 | PRINT*,'Ts (t) and Ts (t+st)' |
|---|
| 585 | WRITE(*,'(a10,3a15)') |
|---|
| 586 | s 'theta(t)','theta(t+dt)','u(t)','u(t+dt)' |
|---|
| 587 | PRINT*,ptsrf(ngrid/2+1),ztsrf2(ngrid/2+1) |
|---|
| 588 | DO ilev=1,nlay |
|---|
| 589 | WRITE(*,'(4f15.7)') |
|---|
| 590 | s ph(ngrid/2+1,ilev),zh(ngrid/2+1,ilev), |
|---|
| 591 | s pu(ngrid/2+1,ilev),zu(ngrid/2+1,ilev) |
|---|
| 592 | |
|---|
| 593 | ENDDO |
|---|
| 594 | ENDIF |
|---|
| 595 | |
|---|
| 596 | RETURN |
|---|
| 597 | END |
|---|
