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guez |
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SUBROUTINE cv3_undilute1(len,nd,t,q,qs,gz,plcl,p,nk,icb & |
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,tp,tvp,clw,icbs) |
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guez |
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use cv3_param_m |
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guez |
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use cvthermo |
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implicit none |
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!---------------------------------------------------------------- |
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! Equivalent de TLIFT entre NK et ICB+1 inclus |
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! |
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! Differences with convect4: |
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! - specify plcl in input |
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! - icbs is the first level above LCL (may differ from icb) |
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! - in the iterations, used x(icbs) instead x(icb) |
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! - many minor differences in the iterations |
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! - tvp is computed in only one time |
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! - icbs: first level above Plcl (IMIN de TLIFT) in output |
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! - if icbs=icb, compute also tp(icb+1),tvp(icb+1) & clw(icb+1) |
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!---------------------------------------------------------------- |
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! inputs: |
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guez |
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integer, intent(in):: len, nd |
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guez |
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integer nk(len), icb(len) |
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guez |
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real, intent(in):: t(len,nd) |
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guez |
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real, intent(in):: q(len,nd), qs(len,nd), gz(len,nd) |
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real, intent(in):: p(len,nd) |
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guez |
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real plcl(len) ! convect3 |
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! outputs: |
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real tp(len,nd), tvp(len,nd), clw(len,nd) |
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! local variables: |
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integer i, k |
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integer icb1(len), icbs(len), icbsmax2 ! convect3 |
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guez |
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real tg, qg, alv, s, ahg, tc, denom, es |
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guez |
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real ah0(len), cpp(len) |
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real tnk(len), qnk(len), gznk(len), ticb(len), gzicb(len) |
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real qsicb(len) ! convect3 |
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real cpinv(len) ! convect3 |
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!------------------------------------------------------------------- |
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! --- Calculates the lifted parcel virtual temperature at nk, |
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! --- the actual temperature, and the adiabatic |
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! --- liquid water content. The procedure is to solve the equation. |
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! cp*tp+L*qp+phi=cp*tnk+L*qnk+gznk. |
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!------------------------------------------------------------------- |
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do 320 i=1,len |
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tnk(i)=t(i,nk(i)) |
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qnk(i)=q(i,nk(i)) |
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gznk(i)=gz(i,nk(i)) |
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! ori ticb(i)=t(i,icb(i)) |
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! ori gzicb(i)=gz(i,icb(i)) |
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320 continue |
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! |
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! *** Calculate certain parcel quantities, including static energy *** |
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! |
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do 330 i=1,len |
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ah0(i)=(cpd*(1.-qnk(i))+cl*qnk(i))*tnk(i) & |
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+qnk(i)*(lv0-clmcpv*(tnk(i)-273.15))+gznk(i) |
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cpp(i)=cpd*(1.-qnk(i))+qnk(i)*cpv |
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cpinv(i)=1./cpp(i) |
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330 continue |
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! |
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! *** Calculate lifted parcel quantities below cloud base *** |
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! |
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do i=1,len !convect3 |
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icb1(i)=MAX(icb(i),2) !convect3 |
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icb1(i)=MIN(icb(i),nl) !convect3 |
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! if icb is below LCL, start loop at ICB+1: |
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! (icbs est le premier niveau au-dessus du LCL) |
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icbs(i)=icb1(i) !convect3 |
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if (plcl(i).lt.p(i,icb1(i))) then |
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icbs(i)=MIN(icbs(i)+1,nl) !convect3 |
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endif |
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enddo !convect3 |
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do i=1,len !convect3 |
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ticb(i)=t(i,icbs(i)) !convect3 |
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gzicb(i)=gz(i,icbs(i)) !convect3 |
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qsicb(i)=qs(i,icbs(i)) !convect3 |
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enddo !convect3 |
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! |
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! Re-compute icbsmax (icbsmax2): !convect3 |
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! !convect3 |
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icbsmax2=2 !convect3 |
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do 310 i=1,len !convect3 |
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icbsmax2=max(icbsmax2,icbs(i)) !convect3 |
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310 continue !convect3 |
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! initialization outputs: |
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do k=1,icbsmax2 ! convect3 |
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do i=1,len ! convect3 |
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tp(i,k) = 0.0 ! convect3 |
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tvp(i,k) = 0.0 ! convect3 |
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clw(i,k) = 0.0 ! convect3 |
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enddo ! convect3 |
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enddo ! convect3 |
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! tp and tvp below cloud base: |
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do 350 k=minorig,icbsmax2-1 |
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do 340 i=1,len |
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tp(i,k)=tnk(i)-(gz(i,k)-gznk(i))*cpinv(i) |
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tvp(i,k)=tp(i,k)*(1.+qnk(i)/eps-qnk(i)) !whole thing (convect3) |
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340 continue |
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350 continue |
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! |
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! *** Find lifted parcel quantities above cloud base *** |
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! |
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do 360 i=1,len |
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tg=ticb(i) |
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! ori qg=qs(i,icb(i)) |
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qg=qsicb(i) ! convect3 |
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!debug alv=lv0-clmcpv*(ticb(i)-t0) |
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alv=lv0-clmcpv*(ticb(i)-273.15) |
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! |
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! First iteration. |
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! |
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! ori s=cpd+alv*alv*qg/(rrv*ticb(i)*ticb(i)) |
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s=cpd*(1.-qnk(i))+cl*qnk(i) & |
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+alv*alv*qg/(rrv*ticb(i)*ticb(i)) ! convect3 |
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s=1./s |
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! ori ahg=cpd*tg+(cl-cpd)*qnk(i)*ticb(i)+alv*qg+gzicb(i) |
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ahg=cpd*tg+(cl-cpd)*qnk(i)*tg+alv*qg+gzicb(i) ! convect3 |
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tg=tg+s*(ah0(i)-ahg) |
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! ori tg=max(tg,35.0) |
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!debug tc=tg-t0 |
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tc=tg-273.15 |
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denom=243.5+tc |
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denom=MAX(denom,1.0) ! convect3 |
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! ori if(tc.ge.0.0)then |
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es=6.112*exp(17.67*tc/denom) |
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! ori else |
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! ori es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
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! ori endif |
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! ori qg=eps*es/(p(i,icb(i))-es*(1.-eps)) |
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qg=eps*es/(p(i,icbs(i))-es*(1.-eps)) |
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! |
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! Second iteration. |
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! |
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! ori s=cpd+alv*alv*qg/(rrv*ticb(i)*ticb(i)) |
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! ori s=1./s |
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! ori ahg=cpd*tg+(cl-cpd)*qnk(i)*ticb(i)+alv*qg+gzicb(i) |
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ahg=cpd*tg+(cl-cpd)*qnk(i)*tg+alv*qg+gzicb(i) ! convect3 |
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tg=tg+s*(ah0(i)-ahg) |
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! ori tg=max(tg,35.0) |
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!debug tc=tg-t0 |
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tc=tg-273.15 |
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denom=243.5+tc |
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denom=MAX(denom,1.0) ! convect3 |
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! ori if(tc.ge.0.0)then |
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es=6.112*exp(17.67*tc/denom) |
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! ori else |
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! ori es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
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! ori end if |
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! ori qg=eps*es/(p(i,icb(i))-es*(1.-eps)) |
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qg=eps*es/(p(i,icbs(i))-es*(1.-eps)) |
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alv=lv0-clmcpv*(ticb(i)-273.15) |
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! ori c approximation here: |
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! ori tp(i,icb(i))=(ah0(i)-(cl-cpd)*qnk(i)*ticb(i) |
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! ori & -gz(i,icb(i))-alv*qg)/cpd |
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! convect3: no approximation: |
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tp(i,icbs(i))=(ah0(i)-gz(i,icbs(i))-alv*qg) & |
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/(cpd+(cl-cpd)*qnk(i)) |
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! ori clw(i,icb(i))=qnk(i)-qg |
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! ori clw(i,icb(i))=max(0.0,clw(i,icb(i))) |
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clw(i,icbs(i))=qnk(i)-qg |
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clw(i,icbs(i))=max(0.0,clw(i,icbs(i))) |
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! convect3: (qg utilise au lieu du vrai mixing ratio rg) |
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tvp(i,icbs(i))=tp(i,icbs(i))*(1.+qg/eps-qnk(i)) !whole thing |
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360 continue |
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! |
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! ori do 380 k=minorig,icbsmax2 |
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! ori do 370 i=1,len |
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! ori tvp(i,k)=tvp(i,k)-tp(i,k)*qnk(i) |
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! ori 370 continue |
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! ori 380 continue |
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! |
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! -- The following is only for convect3: |
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! |
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! * icbs is the first level above the LCL: |
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! if plcl<p(icb), then icbs=icb+1 |
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! if plcl>p(icb), then icbs=icb |
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! |
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! * the routine above computes tvp from minorig to icbs (included). |
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! |
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! * to compute buoybase (in cv3_trigger.F), both tvp(icb) and tvp(icb+1) |
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! must be known. This is the case if icbs=icb+1, but not if icbs=icb. |
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! |
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! * therefore, in the case icbs=icb, we compute tvp at level icb+1 |
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! (tvp at other levels will be computed in cv3_undilute2.F) |
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! |
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do i=1,len |
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ticb(i)=t(i,icb(i)+1) |
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gzicb(i)=gz(i,icb(i)+1) |
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qsicb(i)=qs(i,icb(i)+1) |
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enddo |
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do 460 i=1,len |
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tg=ticb(i) |
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qg=qsicb(i) ! convect3 |
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!debug alv=lv0-clmcpv*(ticb(i)-t0) |
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alv=lv0-clmcpv*(ticb(i)-273.15) |
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! |
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! First iteration. |
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! |
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! ori s=cpd+alv*alv*qg/(rrv*ticb(i)*ticb(i)) |
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s=cpd*(1.-qnk(i))+cl*qnk(i) & |
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+alv*alv*qg/(rrv*ticb(i)*ticb(i)) ! convect3 |
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s=1./s |
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! ori ahg=cpd*tg+(cl-cpd)*qnk(i)*ticb(i)+alv*qg+gzicb(i) |
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ahg=cpd*tg+(cl-cpd)*qnk(i)*tg+alv*qg+gzicb(i) ! convect3 |
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tg=tg+s*(ah0(i)-ahg) |
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! ori tg=max(tg,35.0) |
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!debug tc=tg-t0 |
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tc=tg-273.15 |
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denom=243.5+tc |
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denom=MAX(denom,1.0) ! convect3 |
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! ori if(tc.ge.0.0)then |
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es=6.112*exp(17.67*tc/denom) |
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! ori else |
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! ori es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
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! ori endif |
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! ori qg=eps*es/(p(i,icb(i))-es*(1.-eps)) |
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qg=eps*es/(p(i,icb(i)+1)-es*(1.-eps)) |
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! |
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! Second iteration. |
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! |
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! ori s=cpd+alv*alv*qg/(rrv*ticb(i)*ticb(i)) |
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! ori s=1./s |
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! ori ahg=cpd*tg+(cl-cpd)*qnk(i)*ticb(i)+alv*qg+gzicb(i) |
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ahg=cpd*tg+(cl-cpd)*qnk(i)*tg+alv*qg+gzicb(i) ! convect3 |
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tg=tg+s*(ah0(i)-ahg) |
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! ori tg=max(tg,35.0) |
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!debug tc=tg-t0 |
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tc=tg-273.15 |
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denom=243.5+tc |
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denom=MAX(denom,1.0) ! convect3 |
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! ori if(tc.ge.0.0)then |
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es=6.112*exp(17.67*tc/denom) |
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! ori else |
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! ori es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
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! ori end if |
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! ori qg=eps*es/(p(i,icb(i))-es*(1.-eps)) |
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qg=eps*es/(p(i,icb(i)+1)-es*(1.-eps)) |
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alv=lv0-clmcpv*(ticb(i)-273.15) |
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! ori c approximation here: |
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! ori tp(i,icb(i))=(ah0(i)-(cl-cpd)*qnk(i)*ticb(i) |
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! ori & -gz(i,icb(i))-alv*qg)/cpd |
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! convect3: no approximation: |
| 268 |
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tp(i,icb(i)+1)=(ah0(i)-gz(i,icb(i)+1)-alv*qg) & |
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/(cpd+(cl-cpd)*qnk(i)) |
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! ori clw(i,icb(i))=qnk(i)-qg |
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! ori clw(i,icb(i))=max(0.0,clw(i,icb(i))) |
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clw(i,icb(i)+1)=qnk(i)-qg |
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clw(i,icb(i)+1)=max(0.0,clw(i,icb(i)+1)) |
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! convect3: (qg utilise au lieu du vrai mixing ratio rg) |
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tvp(i,icb(i)+1)=tp(i,icb(i)+1)*(1.+qg/eps-qnk(i)) !whole thing |
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460 continue |
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return |
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end |
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