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module cv3_unsat_m |
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| 3 |
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implicit none |
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| 5 |
SUBROUTINE cv3_unsat(nloc,ncum,nd,na,ntra,icb,inb & |
contains |
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,t,rr,rs,gz,u,v,tra,p,ph & |
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,th,tv,lv,cpn,ep,sigp,clw & |
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,m,ment,elij,delt,plcl & |
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,mp,rp,up,vp,trap,wt,water,evap,b) |
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use cv3_param_m |
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use cvthermo |
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use cvflag |
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implicit none |
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SUBROUTINE cv3_unsat(nloc,ncum,nd,na,icb,inb & |
| 8 |
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,t,rr,rs,gz,u,v,p,ph & |
| 9 |
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,th,tv,lv,cpn,ep,sigp,clw & |
| 10 |
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,m,ment,elij,delt,plcl & |
| 11 |
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,mp,rp,up,vp,wt,water,evap,b) |
| 12 |
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use cv3_param_m |
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use cvthermo |
| 14 |
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use cvflag |
| 15 |
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| 16 |
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| 17 |
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! inputs: |
| 18 |
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integer, intent(in):: ncum, nd, na, nloc |
| 19 |
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integer icb(nloc), inb(nloc) |
| 20 |
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real, intent(in):: delt |
| 21 |
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real plcl(nloc) |
| 22 |
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real t(nloc,nd), rr(nloc,nd), rs(nloc,nd) |
| 23 |
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real u(nloc,nd), v(nloc,nd) |
| 24 |
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real p(nloc,nd), ph(nloc,nd+1) |
| 25 |
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real th(nloc,na), gz(nloc,na) |
| 26 |
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real lv(nloc,na), ep(nloc,na), sigp(nloc,na), clw(nloc,na) |
| 27 |
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real cpn(nloc,na), tv(nloc,na) |
| 28 |
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real m(nloc,na), ment(nloc,na,na), elij(nloc,na,na) |
| 29 |
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| 30 |
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! outputs: |
| 31 |
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real mp(nloc,na), rp(nloc,na), up(nloc,na), vp(nloc,na) |
| 32 |
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real water(nloc,na), evap(nloc,na), wt(nloc,na) |
| 33 |
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real b(nloc,na) |
| 34 |
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| 35 |
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! local variables |
| 36 |
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integer i,j,k,il,num1 |
| 37 |
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real tinv, delti |
| 38 |
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real awat, afac, afac1, afac2, bfac |
| 39 |
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real pr1, pr2, sigt, b6, c6, revap, tevap, delth |
| 40 |
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real amfac, amp2, xf, tf, fac2, ur, sru, fac, d, af, bf |
| 41 |
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real ampmax |
| 42 |
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real lvcp(nloc,na) |
| 43 |
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real wdtrain(nloc) |
| 44 |
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logical lwork(nloc) |
| 45 |
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| 46 |
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| 47 |
! inputs: |
!------------------------------------------------------ |
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integer, intent(in):: ncum, nd, na, ntra, nloc |
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integer icb(nloc), inb(nloc) |
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real, intent(in):: delt |
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real plcl(nloc) |
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real t(nloc,nd), rr(nloc,nd), rs(nloc,nd) |
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real u(nloc,nd), v(nloc,nd) |
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real tra(nloc,nd,ntra) |
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real p(nloc,nd), ph(nloc,nd+1) |
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real th(nloc,na), gz(nloc,na) |
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real lv(nloc,na), ep(nloc,na), sigp(nloc,na), clw(nloc,na) |
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real cpn(nloc,na), tv(nloc,na) |
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real m(nloc,na), ment(nloc,na,na), elij(nloc,na,na) |
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! outputs: |
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real mp(nloc,na), rp(nloc,na), up(nloc,na), vp(nloc,na) |
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real water(nloc,na), evap(nloc,na), wt(nloc,na) |
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real trap(nloc,na,ntra) |
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real b(nloc,na) |
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! local variables |
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integer i,j,k,il,num1 |
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real tinv, delti |
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real awat, afac, afac1, afac2, bfac |
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real pr1, pr2, sigt, b6, c6, revap, tevap, delth |
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real amfac, amp2, xf, tf, fac2, ur, sru, fac, d, af, bf |
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real ampmax |
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real lvcp(nloc,na) |
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real wdtrain(nloc) |
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logical lwork(nloc) |
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!------------------------------------------------------ |
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| 48 |
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| 49 |
delti = 1./delt |
delti = 1./delt |
| 50 |
tinv=1./3. |
tinv=1./3. |
| 51 |
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| 52 |
mp(:,:)=0. |
mp(:,:)=0. |
| 53 |
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| 54 |
do i=1,nl |
do i=1,nl |
| 55 |
do il=1,ncum |
do il=1,ncum |
| 56 |
mp(il,i)=0.0 |
mp(il,i)=0.0 |
| 57 |
rp(il,i)=rr(il,i) |
rp(il,i)=rr(il,i) |
| 58 |
up(il,i)=u(il,i) |
up(il,i)=u(il,i) |
| 62 |
evap(il,i)=0.0 |
evap(il,i)=0.0 |
| 63 |
b(il,i)=0.0 |
b(il,i)=0.0 |
| 64 |
lvcp(il,i)=lv(il,i)/cpn(il,i) |
lvcp(il,i)=lv(il,i)/cpn(il,i) |
| 65 |
enddo |
enddo |
| 66 |
enddo |
enddo |
| 67 |
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| 68 |
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! |
| 69 |
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! *** check whether ep(inb)=0, if so, skip precipitating *** |
| 70 |
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! *** downdraft calculation *** |
| 71 |
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! |
| 72 |
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| 73 |
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do il=1,ncum |
| 74 |
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lwork(il)=.TRUE. |
| 75 |
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if(ep(il,inb(il)).lt.0.0001)lwork(il)=.FALSE. |
| 76 |
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enddo |
| 77 |
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| 78 |
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call zilch(wdtrain,ncum) |
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| 80 |
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DO i=nl+1,1,-1 |
| 81 |
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| 82 |
! |
num1=0 |
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! *** check whether ep(inb)=0, if so, skip precipitating *** |
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! *** downdraft calculation *** |
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! |
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do il=1,ncum |
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lwork(il)=.TRUE. |
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if(ep(il,inb(il)).lt.0.0001)lwork(il)=.FALSE. |
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enddo |
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call zilch(wdtrain,ncum) |
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DO 400 i=nl+1,1,-1 |
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num1=0 |
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do il=1,ncum |
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if ( i.le.inb(il) .and. lwork(il) ) num1=num1+1 |
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enddo |
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if (num1.le.0) goto 400 |
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! |
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! *** integrate liquid water equation to find condensed water *** |
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! *** and condensed water flux *** |
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! |
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! |
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! *** begin downdraft loop *** |
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! |
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! |
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! *** calculate detrained precipitation *** |
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! |
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| 83 |
do il=1,ncum |
do il=1,ncum |
| 84 |
if (i.le.inb(il) .and. lwork(il)) then |
if ( i.le.inb(il) .and. lwork(il) ) num1=num1+1 |
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if (cvflag_grav) then |
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wdtrain(il)=grav*ep(il,i)*m(il,i)*clw(il,i) |
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else |
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wdtrain(il)=10.0*ep(il,i)*m(il,i)*clw(il,i) |
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endif |
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endif |
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| 85 |
enddo |
enddo |
| 86 |
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if (num1.le.0) cycle |
| 87 |
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| 88 |
if(i.gt.1)then |
! |
| 89 |
do 320 j=1,i-1 |
! *** integrate liquid water equation to find condensed water *** |
| 90 |
do il=1,ncum |
! *** and condensed water flux *** |
| 91 |
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! |
| 92 |
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| 93 |
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! |
| 94 |
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! *** begin downdraft loop *** |
| 95 |
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! |
| 96 |
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| 97 |
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! |
| 98 |
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! *** calculate detrained precipitation *** |
| 99 |
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! |
| 100 |
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do il=1,ncum |
| 101 |
if (i.le.inb(il) .and. lwork(il)) then |
if (i.le.inb(il) .and. lwork(il)) then |
| 102 |
awat=elij(il,j,i)-(1.-ep(il,i))*clw(il,i) |
if (cvflag_grav) then |
| 103 |
awat=amax1(awat,0.0) |
wdtrain(il)=grav*ep(il,i)*m(il,i)*clw(il,i) |
| 104 |
if (cvflag_grav) then |
else |
| 105 |
wdtrain(il)=wdtrain(il)+grav*awat*ment(il,j,i) |
wdtrain(il)=10.0*ep(il,i)*m(il,i)*clw(il,i) |
| 106 |
else |
endif |
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wdtrain(il)=wdtrain(il)+10.0*awat*ment(il,j,i) |
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endif |
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| 107 |
endif |
endif |
| 108 |
enddo |
enddo |
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320 continue |
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endif |
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| 109 |
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| 110 |
! |
if(i.gt.1)then |
| 111 |
! *** find rain water and evaporation using provisional *** |
do j=1,i-1 |
| 112 |
! *** estimates of rp(i)and rp(i-1) *** |
do il=1,ncum |
| 113 |
! |
if (i.le.inb(il) .and. lwork(il)) then |
| 114 |
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awat=elij(il,j,i)-(1.-ep(il,i))*clw(il,i) |
| 115 |
do 999 il=1,ncum |
awat=amax1(awat,0.0) |
| 116 |
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if (cvflag_grav) then |
| 117 |
if (i.le.inb(il) .and. lwork(il)) then |
wdtrain(il)=wdtrain(il)+grav*awat*ment(il,j,i) |
| 118 |
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else |
| 119 |
wt(il,i)=45.0 |
wdtrain(il)=wdtrain(il)+10.0*awat*ment(il,j,i) |
| 120 |
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endif |
| 121 |
if(i.lt.inb(il))then |
endif |
| 122 |
rp(il,i)=rp(il,i+1) & |
enddo |
| 123 |
+(cpd*(t(il,i+1)-t(il,i))+gz(il,i+1)-gz(il,i))/lv(il,i) |
end do |
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rp(il,i)=0.5*(rp(il,i)+rr(il,i)) |
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endif |
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rp(il,i)=amax1(rp(il,i),0.0) |
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rp(il,i)=amin1(rp(il,i),rs(il,i)) |
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rp(il,inb(il))=rr(il,inb(il)) |
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if(i.eq.1)then |
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afac=p(il,1)*(rs(il,1)-rp(il,1))/(1.0e4+2000.0*p(il,1)*rs(il,1)) |
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else |
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rp(il,i-1)=rp(il,i) & |
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+(cpd*(t(il,i)-t(il,i-1))+gz(il,i)-gz(il,i-1))/lv(il,i) |
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rp(il,i-1)=0.5*(rp(il,i-1)+rr(il,i-1)) |
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rp(il,i-1)=amin1(rp(il,i-1),rs(il,i-1)) |
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rp(il,i-1)=amax1(rp(il,i-1),0.0) |
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afac1=p(il,i)*(rs(il,i)-rp(il,i))/(1.0e4+2000.0*p(il,i)*rs(il,i)) |
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afac2=p(il,i-1)*(rs(il,i-1)-rp(il,i-1)) & |
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/(1.0e4+2000.0*p(il,i-1)*rs(il,i-1)) |
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afac=0.5*(afac1+afac2) |
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endif |
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if(i.eq.inb(il))afac=0.0 |
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afac=amax1(afac,0.0) |
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bfac=1./(sigd*wt(il,i)) |
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! |
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!jyg1 |
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!cc sigt=1.0 |
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!cc if(i.ge.icb)sigt=sigp(i) |
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! prise en compte de la variation progressive de sigt dans |
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! les couches icb et icb-1: |
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! pour plcl<ph(i+1), pr1=0 & pr2=1 |
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! pour plcl>ph(i), pr1=1 & pr2=0 |
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! pour ph(i+1)<plcl<ph(i), pr1 est la proportion a cheval |
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! sur le nuage, et pr2 est la proportion sous la base du |
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! nuage. |
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pr1=(plcl(il)-ph(il,i+1))/(ph(il,i)-ph(il,i+1)) |
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pr1=max(0.,min(1.,pr1)) |
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pr2=(ph(il,i)-plcl(il))/(ph(il,i)-ph(il,i+1)) |
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pr2=max(0.,min(1.,pr2)) |
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sigt=sigp(il,i)*pr1+pr2 |
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!jyg2 |
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! |
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b6=bfac*50.*sigd*(ph(il,i)-ph(il,i+1))*sigt*afac |
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c6=water(il,i+1)+bfac*wdtrain(il) & |
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-50.*sigd*bfac*(ph(il,i)-ph(il,i+1))*evap(il,i+1) |
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if(c6.gt.0.0)then |
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revap=0.5*(-b6+sqrt(b6*b6+4.*c6)) |
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evap(il,i)=sigt*afac*revap |
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water(il,i)=revap*revap |
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else |
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evap(il,i)=-evap(il,i+1) & |
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+0.02*(wdtrain(il)+sigd*wt(il,i)*water(il,i+1)) & |
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/(sigd*(ph(il,i)-ph(il,i+1))) |
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end if |
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! |
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! *** calculate precipitating downdraft mass flux under *** |
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! *** hydrostatic approximation *** |
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! |
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if (i.ne.1) then |
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tevap=amax1(0.0,evap(il,i)) |
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delth=amax1(0.001,(th(il,i)-th(il,i-1))) |
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if (cvflag_grav) then |
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mp(il,i)=100.*ginv*lvcp(il,i)*sigd*tevap & |
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*(p(il,i-1)-p(il,i))/delth |
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else |
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mp(il,i)=10.*lvcp(il,i)*sigd*tevap*(p(il,i-1)-p(il,i))/delth |
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endif |
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! |
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! *** if hydrostatic assumption fails, *** |
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! *** solve cubic difference equation for downdraft theta *** |
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! *** and mass flux from two simultaneous differential eqns *** |
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! |
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amfac=sigd*sigd*70.0*ph(il,i)*(p(il,i-1)-p(il,i)) & |
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*(th(il,i)-th(il,i-1))/(tv(il,i)*th(il,i)) |
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amp2=abs(mp(il,i+1)*mp(il,i+1)-mp(il,i)*mp(il,i)) |
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if(amp2.gt.(0.1*amfac))then |
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xf=100.0*sigd*sigd*sigd*(ph(il,i)-ph(il,i+1)) |
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tf=b(il,i)-5.0*(th(il,i)-th(il,i-1))*t(il,i) & |
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/(lvcp(il,i)*sigd*th(il,i)) |
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af=xf*tf+mp(il,i+1)*mp(il,i+1)*tinv |
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bf=2.*(tinv*mp(il,i+1))**3+tinv*mp(il,i+1)*xf*tf & |
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+50.*(p(il,i-1)-p(il,i))*xf*tevap |
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fac2=1.0 |
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if(bf.lt.0.0)fac2=-1.0 |
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bf=abs(bf) |
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ur=0.25*bf*bf-af*af*af*tinv*tinv*tinv |
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if(ur.ge.0.0)then |
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sru=sqrt(ur) |
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fac=1.0 |
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if((0.5*bf-sru).lt.0.0)fac=-1.0 |
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mp(il,i)=mp(il,i+1)*tinv+(0.5*bf+sru)**tinv & |
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+fac*(abs(0.5*bf-sru))**tinv |
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else |
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d=atan(2.*sqrt(-ur)/(bf+1.0e-28)) |
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if(fac2.lt.0.0)d=3.14159-d |
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mp(il,i)=mp(il,i+1)*tinv+2.*sqrt(af*tinv)*cos(d*tinv) |
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| 124 |
endif |
endif |
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mp(il,i)=amax1(0.0,mp(il,i)) |
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| 125 |
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| 126 |
if (cvflag_grav) then |
! |
| 127 |
!jyg : il y a vraisemblablement une erreur dans la ligne 2 suivante: |
! *** find rain water and evaporation using provisional *** |
| 128 |
! il faut diviser par (mp(il,i)*sigd*grav) et non par (mp(il,i)+sigd*0.1). |
! *** estimates of rp(i)and rp(i-1) *** |
| 129 |
! Et il faut bien revoir les facteurs 100. |
! |
| 130 |
b(il,i-1)=b(il,i)+100.0*(p(il,i-1)-p(il,i))*tevap & |
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| 131 |
/(mp(il,i)+sigd*0.1) & |
do il=1,ncum |
| 132 |
-10.0*(th(il,i)-th(il,i-1))*t(il,i)/(lvcp(il,i)*sigd*th(il,i)) |
|
| 133 |
else |
if (i.le.inb(il) .and. lwork(il)) then |
| 134 |
b(il,i-1)=b(il,i)+100.0*(p(il,i-1)-p(il,i))*tevap & |
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| 135 |
/(mp(il,i)+sigd*0.1) & |
wt(il,i)=45.0 |
| 136 |
-10.0*(th(il,i)-th(il,i-1))*t(il,i)/(lvcp(il,i)*sigd*th(il,i)) |
|
| 137 |
endif |
if(i.lt.inb(il))then |
| 138 |
b(il,i-1)=amax1(b(il,i-1),0.0) |
rp(il,i)=rp(il,i+1) & |
| 139 |
endif |
+(cpd*(t(il,i+1)-t(il,i))+gz(il,i+1)-gz(il,i))/lv(il,i) |
| 140 |
! |
rp(il,i)=0.5*(rp(il,i)+rr(il,i)) |
| 141 |
! *** limit magnitude of mp(i) to meet cfl condition *** |
endif |
| 142 |
! |
rp(il,i)=amax1(rp(il,i),0.0) |
| 143 |
ampmax=2.0*(ph(il,i)-ph(il,i+1))*delti |
rp(il,i)=amin1(rp(il,i),rs(il,i)) |
| 144 |
amp2=2.0*(ph(il,i-1)-ph(il,i))*delti |
rp(il,inb(il))=rr(il,inb(il)) |
| 145 |
ampmax=amin1(ampmax,amp2) |
|
| 146 |
mp(il,i)=amin1(mp(il,i),ampmax) |
if(i.eq.1)then |
| 147 |
! |
afac=p(il,1)*(rs(il,1)-rp(il,1))/(1.0e4+2000.0*p(il,1)*rs(il,1)) |
| 148 |
! *** force mp to decrease linearly to zero *** |
else |
| 149 |
! *** between cloud base and the surface *** |
rp(il,i-1)=rp(il,i) & |
| 150 |
! |
+(cpd*(t(il,i)-t(il,i-1))+gz(il,i)-gz(il,i-1))/lv(il,i) |
| 151 |
if(p(il,i).gt.p(il,icb(il)))then |
rp(il,i-1)=0.5*(rp(il,i-1)+rr(il,i-1)) |
| 152 |
mp(il,i)=mp(il,icb(il))*(p(il,1)-p(il,i))/(p(il,1)-p(il,icb(il))) |
rp(il,i-1)=amin1(rp(il,i-1),rs(il,i-1)) |
| 153 |
endif |
rp(il,i-1)=amax1(rp(il,i-1),0.0) |
| 154 |
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afac1=p(il,i)*(rs(il,i)-rp(il,i))/(1.0e4+2000.0*p(il,i)*rs(il,i)) |
| 155 |
360 continue |
afac2=p(il,i-1)*(rs(il,i-1)-rp(il,i-1)) & |
| 156 |
endif ! i.eq.1 |
/(1.0e4+2000.0*p(il,i-1)*rs(il,i-1)) |
| 157 |
! |
afac=0.5*(afac1+afac2) |
| 158 |
! *** find mixing ratio of precipitating downdraft *** |
endif |
| 159 |
! |
if(i.eq.inb(il))afac=0.0 |
| 160 |
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afac=amax1(afac,0.0) |
| 161 |
if (i.ne.inb(il)) then |
bfac=1./(sigd*wt(il,i)) |
| 162 |
|
! |
| 163 |
rp(il,i)=rr(il,i) |
!jyg1 |
| 164 |
|
!cc sigt=1.0 |
| 165 |
if(mp(il,i).gt.mp(il,i+1))then |
!cc if(i.ge.icb)sigt=sigp(i) |
| 166 |
|
! prise en compte de la variation progressive de sigt dans |
| 167 |
if (cvflag_grav) then |
! les couches icb et icb-1: |
| 168 |
rp(il,i)=rp(il,i+1)*mp(il,i+1)+rr(il,i)*(mp(il,i)-mp(il,i+1)) & |
! pour plcl<ph(i+1), pr1=0 & pr2=1 |
| 169 |
+100.*ginv*0.5*sigd*(ph(il,i)-ph(il,i+1)) & |
! pour plcl>ph(i), pr1=1 & pr2=0 |
| 170 |
|
! pour ph(i+1)<plcl<ph(i), pr1 est la proportion a cheval |
| 171 |
|
! sur le nuage, et pr2 est la proportion sous la base du |
| 172 |
|
! nuage. |
| 173 |
|
pr1=(plcl(il)-ph(il,i+1))/(ph(il,i)-ph(il,i+1)) |
| 174 |
|
pr1=max(0.,min(1.,pr1)) |
| 175 |
|
pr2=(ph(il,i)-plcl(il))/(ph(il,i)-ph(il,i+1)) |
| 176 |
|
pr2=max(0.,min(1.,pr2)) |
| 177 |
|
sigt=sigp(il,i)*pr1+pr2 |
| 178 |
|
!jyg2 |
| 179 |
|
! |
| 180 |
|
b6=bfac*50.*sigd*(ph(il,i)-ph(il,i+1))*sigt*afac |
| 181 |
|
c6=water(il,i+1)+bfac*wdtrain(il) & |
| 182 |
|
-50.*sigd*bfac*(ph(il,i)-ph(il,i+1))*evap(il,i+1) |
| 183 |
|
if(c6.gt.0.0)then |
| 184 |
|
revap=0.5*(-b6+sqrt(b6*b6+4.*c6)) |
| 185 |
|
evap(il,i)=sigt*afac*revap |
| 186 |
|
water(il,i)=revap*revap |
| 187 |
|
else |
| 188 |
|
evap(il,i)=-evap(il,i+1) & |
| 189 |
|
+0.02*(wdtrain(il)+sigd*wt(il,i)*water(il,i+1)) & |
| 190 |
|
/(sigd*(ph(il,i)-ph(il,i+1))) |
| 191 |
|
end if |
| 192 |
|
! |
| 193 |
|
! *** calculate precipitating downdraft mass flux under *** |
| 194 |
|
! *** hydrostatic approximation *** |
| 195 |
|
! |
| 196 |
|
if (i.ne.1) then |
| 197 |
|
|
| 198 |
|
tevap=amax1(0.0,evap(il,i)) |
| 199 |
|
delth=amax1(0.001,(th(il,i)-th(il,i-1))) |
| 200 |
|
if (cvflag_grav) then |
| 201 |
|
mp(il,i)=100.*ginv*lvcp(il,i)*sigd*tevap & |
| 202 |
|
*(p(il,i-1)-p(il,i))/delth |
| 203 |
|
else |
| 204 |
|
mp(il,i)=10.*lvcp(il,i)*sigd*tevap*(p(il,i-1)-p(il,i))/delth |
| 205 |
|
endif |
| 206 |
|
! |
| 207 |
|
! *** if hydrostatic assumption fails, *** |
| 208 |
|
! *** solve cubic difference equation for downdraft theta *** |
| 209 |
|
! *** and mass flux from two simultaneous differential eqns *** |
| 210 |
|
! |
| 211 |
|
amfac=sigd*sigd*70.0*ph(il,i)*(p(il,i-1)-p(il,i)) & |
| 212 |
|
*(th(il,i)-th(il,i-1))/(tv(il,i)*th(il,i)) |
| 213 |
|
amp2=abs(mp(il,i+1)*mp(il,i+1)-mp(il,i)*mp(il,i)) |
| 214 |
|
if(amp2.gt.(0.1*amfac))then |
| 215 |
|
xf=100.0*sigd*sigd*sigd*(ph(il,i)-ph(il,i+1)) |
| 216 |
|
tf=b(il,i)-5.0*(th(il,i)-th(il,i-1))*t(il,i) & |
| 217 |
|
/(lvcp(il,i)*sigd*th(il,i)) |
| 218 |
|
af=xf*tf+mp(il,i+1)*mp(il,i+1)*tinv |
| 219 |
|
bf=2.*(tinv*mp(il,i+1))**3+tinv*mp(il,i+1)*xf*tf & |
| 220 |
|
+50.*(p(il,i-1)-p(il,i))*xf*tevap |
| 221 |
|
fac2=1.0 |
| 222 |
|
if(bf.lt.0.0)fac2=-1.0 |
| 223 |
|
bf=abs(bf) |
| 224 |
|
ur=0.25*bf*bf-af*af*af*tinv*tinv*tinv |
| 225 |
|
if(ur.ge.0.0)then |
| 226 |
|
sru=sqrt(ur) |
| 227 |
|
fac=1.0 |
| 228 |
|
if((0.5*bf-sru).lt.0.0)fac=-1.0 |
| 229 |
|
mp(il,i)=mp(il,i+1)*tinv+(0.5*bf+sru)**tinv & |
| 230 |
|
+fac*(abs(0.5*bf-sru))**tinv |
| 231 |
|
else |
| 232 |
|
d=atan(2.*sqrt(-ur)/(bf+1.0e-28)) |
| 233 |
|
if(fac2.lt.0.0)d=3.14159-d |
| 234 |
|
mp(il,i)=mp(il,i+1)*tinv+2.*sqrt(af*tinv)*cos(d*tinv) |
| 235 |
|
endif |
| 236 |
|
mp(il,i)=amax1(0.0,mp(il,i)) |
| 237 |
|
|
| 238 |
|
if (cvflag_grav) then |
| 239 |
|
!jyg : il y a vraisemblablement une erreur dans la ligne 2 suivante: |
| 240 |
|
! il faut diviser par (mp(il,i)*sigd*grav) et non par (mp(il,i)+sigd*0.1). |
| 241 |
|
! Et il faut bien revoir les facteurs 100. |
| 242 |
|
b(il,i-1)=b(il,i)+100.0*(p(il,i-1)-p(il,i))*tevap & |
| 243 |
|
/(mp(il,i)+sigd*0.1) & |
| 244 |
|
-10.0*(th(il,i)-th(il,i-1))*t(il,i)/(lvcp(il,i)*sigd*th(il,i)) |
| 245 |
|
else |
| 246 |
|
b(il,i-1)=b(il,i)+100.0*(p(il,i-1)-p(il,i))*tevap & |
| 247 |
|
/(mp(il,i)+sigd*0.1) & |
| 248 |
|
-10.0*(th(il,i)-th(il,i-1))*t(il,i)/(lvcp(il,i)*sigd*th(il,i)) |
| 249 |
|
endif |
| 250 |
|
b(il,i-1)=amax1(b(il,i-1),0.0) |
| 251 |
|
endif |
| 252 |
|
! |
| 253 |
|
! *** limit magnitude of mp(i) to meet cfl condition *** |
| 254 |
|
! |
| 255 |
|
ampmax=2.0*(ph(il,i)-ph(il,i+1))*delti |
| 256 |
|
amp2=2.0*(ph(il,i-1)-ph(il,i))*delti |
| 257 |
|
ampmax=amin1(ampmax,amp2) |
| 258 |
|
mp(il,i)=amin1(mp(il,i),ampmax) |
| 259 |
|
! |
| 260 |
|
! *** force mp to decrease linearly to zero *** |
| 261 |
|
! *** between cloud base and the surface *** |
| 262 |
|
! |
| 263 |
|
if(p(il,i).gt.p(il,icb(il)))then |
| 264 |
|
mp(il,i)=mp(il,icb(il))*(p(il,1)-p(il,i))/(p(il,1)-p(il,icb(il))) |
| 265 |
|
endif |
| 266 |
|
|
| 267 |
|
endif ! i.eq.1 |
| 268 |
|
! |
| 269 |
|
! *** find mixing ratio of precipitating downdraft *** |
| 270 |
|
! |
| 271 |
|
|
| 272 |
|
if (i.ne.inb(il)) then |
| 273 |
|
|
| 274 |
|
rp(il,i)=rr(il,i) |
| 275 |
|
|
| 276 |
|
if(mp(il,i).gt.mp(il,i+1))then |
| 277 |
|
|
| 278 |
|
if (cvflag_grav) then |
| 279 |
|
rp(il,i)=rp(il,i+1)*mp(il,i+1)+rr(il,i)*(mp(il,i)-mp(il,i+1)) & |
| 280 |
|
+100.*ginv*0.5*sigd*(ph(il,i)-ph(il,i+1)) & |
| 281 |
*(evap(il,i+1)+evap(il,i)) |
*(evap(il,i+1)+evap(il,i)) |
| 282 |
else |
else |
| 283 |
rp(il,i)=rp(il,i+1)*mp(il,i+1)+rr(il,i)*(mp(il,i)-mp(il,i+1)) & |
rp(il,i)=rp(il,i+1)*mp(il,i+1)+rr(il,i)*(mp(il,i)-mp(il,i+1)) & |
| 284 |
+5.*sigd*(ph(il,i)-ph(il,i+1)) & |
+5.*sigd*(ph(il,i)-ph(il,i+1)) & |
| 285 |
*(evap(il,i+1)+evap(il,i)) |
*(evap(il,i+1)+evap(il,i)) |
| 286 |
endif |
endif |
| 287 |
rp(il,i)=rp(il,i)/mp(il,i) |
rp(il,i)=rp(il,i)/mp(il,i) |
| 288 |
up(il,i)=up(il,i+1)*mp(il,i+1)+u(il,i)*(mp(il,i)-mp(il,i+1)) |
up(il,i)=up(il,i+1)*mp(il,i+1)+u(il,i)*(mp(il,i)-mp(il,i+1)) |
| 289 |
up(il,i)=up(il,i)/mp(il,i) |
up(il,i)=up(il,i)/mp(il,i) |
| 290 |
vp(il,i)=vp(il,i+1)*mp(il,i+1)+v(il,i)*(mp(il,i)-mp(il,i+1)) |
vp(il,i)=vp(il,i+1)*mp(il,i+1)+v(il,i)*(mp(il,i)-mp(il,i+1)) |
| 291 |
vp(il,i)=vp(il,i)/mp(il,i) |
vp(il,i)=vp(il,i)/mp(il,i) |
| 292 |
|
|
| 293 |
else |
else |
| 294 |
|
|
| 295 |
if(mp(il,i+1).gt.1.0e-16)then |
if(mp(il,i+1).gt.1.0e-16)then |
| 296 |
if (cvflag_grav) then |
if (cvflag_grav) then |
| 297 |
rp(il,i)=rp(il,i+1) & |
rp(il,i)=rp(il,i+1) & |
| 298 |
+100.*ginv*0.5*sigd*(ph(il,i)-ph(il,i+1)) & |
+100.*ginv*0.5*sigd*(ph(il,i)-ph(il,i+1)) & |
| 299 |
*(evap(il,i+1)+evap(il,i))/mp(il,i+1) |
*(evap(il,i+1)+evap(il,i))/mp(il,i+1) |
| 300 |
else |
else |
| 301 |
rp(il,i)=rp(il,i+1) & |
rp(il,i)=rp(il,i+1) & |
| 302 |
+5.*sigd*(ph(il,i)-ph(il,i+1)) & |
+5.*sigd*(ph(il,i)-ph(il,i+1)) & |
| 303 |
*(evap(il,i+1)+evap(il,i))/mp(il,i+1) |
*(evap(il,i+1)+evap(il,i))/mp(il,i+1) |
| 304 |
endif |
endif |
| 305 |
up(il,i)=up(il,i+1) |
up(il,i)=up(il,i+1) |
| 306 |
vp(il,i)=vp(il,i+1) |
vp(il,i)=vp(il,i+1) |
| 307 |
|
|
| 308 |
|
endif |
| 309 |
|
endif |
| 310 |
|
rp(il,i)=amin1(rp(il,i),rs(il,i)) |
| 311 |
|
rp(il,i)=amax1(rp(il,i),0.0) |
| 312 |
|
|
| 313 |
endif |
endif |
| 314 |
endif |
endif |
| 315 |
rp(il,i)=amin1(rp(il,i),rs(il,i)) |
end do |
| 316 |
rp(il,i)=amax1(rp(il,i),0.0) |
|
| 317 |
|
end DO |
|
endif |
|
|
endif |
|
|
999 continue |
|
| 318 |
|
|
| 319 |
400 continue |
end SUBROUTINE cv3_unsat |
| 320 |
|
|
| 321 |
return |
end module cv3_unsat_m |
|
end |
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