4 |
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|
5 |
contains |
contains |
6 |
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|
7 |
SUBROUTINE cv30_unsat(nloc,ncum,nd,na,icb,inb & |
SUBROUTINE cv30_unsat(nloc, ncum, nd, na, icb, inb, t, rr, rs, gz, u, v, p, & |
8 |
,t,rr,rs,gz,u,v,p,ph & |
ph, th, tv, lv, cpn, ep, sigp, clw, m, ment, elij, delt, plcl, mp, rp, & |
9 |
,th,tv,lv,cpn,ep,sigp,clw & |
up, vp, wt, water, evap, b) |
10 |
,m,ment,elij,delt,plcl & |
|
11 |
,mp,rp,up,vp,wt,water,evap,b) |
use cv30_param_m, only: nl, sigd |
12 |
use cv30_param_m |
use cvflag, only: cvflag_grav |
13 |
use cvthermo |
use cvthermo, only: cpd, ginv, grav |
|
use cvflag |
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14 |
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15 |
! inputs: |
! inputs: |
16 |
integer, intent(in):: ncum, nd, na, nloc |
integer, intent(in):: nloc, ncum, nd, na |
17 |
integer icb(nloc), inb(nloc) |
integer, intent(in):: icb(:), inb(:) ! (ncum) |
18 |
|
real t(nloc, nd), rr(nloc, nd), rs(nloc, nd) |
19 |
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real gz(nloc, na) |
20 |
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real u(nloc, nd), v(nloc, nd) |
21 |
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real p(nloc, nd), ph(nloc, nd + 1) |
22 |
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real th(nloc, na) |
23 |
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real tv(nloc, na) |
24 |
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real lv(nloc, na) |
25 |
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real cpn(nloc, na) |
26 |
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real ep(nloc, na), sigp(nloc, na), clw(nloc, na) |
27 |
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real m(nloc, na), ment(nloc, na, na), elij(nloc, na, na) |
28 |
real, intent(in):: delt |
real, intent(in):: delt |
29 |
real plcl(nloc) |
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 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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30 |
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31 |
! outputs: |
! outputs: |
32 |
real mp(nloc,na), rp(nloc,na), up(nloc,na), vp(nloc,na) |
real mp(nloc, na), rp(nloc, na), up(nloc, na), vp(nloc, na) |
33 |
real water(nloc,na), evap(nloc,na), wt(nloc,na) |
real wt(nloc, na), water(nloc, na), evap(nloc, na) |
34 |
real b(nloc,na) |
real b(:, :) ! (nloc, na) |
35 |
|
|
36 |
! local variables |
! Local: |
37 |
integer i,j,il,num1 |
integer i, j, il, num1 |
38 |
real tinv, delti |
real tinv, delti |
39 |
real awat, afac, afac1, afac2, bfac |
real awat, afac, afac1, afac2, bfac |
40 |
real pr1, pr2, sigt, b6, c6, revap, tevap, delth |
real pr1, pr2, sigt, b6, c6, revap, tevap, delth |
41 |
real amfac, amp2, xf, tf, fac2, ur, sru, fac, d, af, bf |
real amfac, amp2, xf, tf, fac2, ur, sru, fac, d, af, bf |
42 |
real ampmax |
real ampmax |
43 |
real lvcp(nloc,na) |
real lvcp(nloc, na) |
44 |
real wdtrain(nloc) |
real wdtrain(nloc) |
45 |
logical lwork(nloc) |
logical lwork(nloc) |
46 |
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47 |
!------------------------------------------------------ |
!------------------------------------------------------ |
48 |
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49 |
delti = 1./delt |
delti = 1. / delt |
50 |
tinv=1./3. |
tinv = 1. / 3. |
51 |
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mp = 0. |
52 |
mp(:,:)=0. |
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53 |
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do i = 1, nl |
54 |
do i=1,nl |
do il = 1, ncum |
55 |
do il=1,ncum |
mp(il, i) = 0. |
56 |
mp(il,i)=0.0 |
rp(il, i) = rr(il, i) |
57 |
rp(il,i)=rr(il,i) |
up(il, i) = u(il, i) |
58 |
up(il,i)=u(il,i) |
vp(il, i) = v(il, i) |
59 |
vp(il,i)=v(il,i) |
wt(il, i) = 0.001 |
60 |
wt(il,i)=0.001 |
water(il, i) = 0. |
61 |
water(il,i)=0.0 |
evap(il, i) = 0. |
62 |
evap(il,i)=0.0 |
b(il, i) = 0. |
63 |
b(il,i)=0.0 |
lvcp(il, i) = lv(il, i) / cpn(il, i) |
|
lvcp(il,i)=lv(il,i)/cpn(il,i) |
|
64 |
enddo |
enddo |
65 |
enddo |
enddo |
66 |
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67 |
! |
! check whether ep(inb) = 0, if so, skip precipitating |
68 |
! *** check whether ep(inb)=0, if so, skip precipitating *** |
! downdraft calculation |
69 |
! *** downdraft calculation *** |
|
70 |
! |
do il = 1, ncum |
71 |
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lwork(il) = .TRUE. |
72 |
do il=1,ncum |
if (ep(il, inb(il)) < 0.0001) lwork(il) = .FALSE. |
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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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73 |
enddo |
enddo |
74 |
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|
75 |
call zilch(wdtrain,ncum) |
wdtrain(:ncum) = 0. |
76 |
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|
77 |
DO i=nl+1,1,-1 |
downdraft_loop: DO i = nl + 1, 1, - 1 |
78 |
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num1 = 0 |
79 |
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|
80 |
num1=0 |
do il = 1, ncum |
81 |
do il=1,ncum |
if (i <= inb(il) .and. lwork(il)) num1 = num1 + 1 |
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if ( i.le.inb(il) .and. lwork(il) ) num1=num1+1 |
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82 |
enddo |
enddo |
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if (num1.le.0) cycle |
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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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do il=1,ncum |
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if (i.le.inb(il) .and. lwork(il)) then |
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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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enddo |
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if(i.gt.1)then |
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do j=1,i-1 |
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do il=1,ncum |
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if (i.le.inb(il) .and. lwork(il)) then |
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awat=elij(il,j,i)-(1.-ep(il,i))*clw(il,i) |
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awat=amax1(awat,0.0) |
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if (cvflag_grav) then |
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wdtrain(il)=wdtrain(il)+grav*awat*ment(il,j,i) |
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else |
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wdtrain(il)=wdtrain(il)+10.0*awat*ment(il,j,i) |
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endif |
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endif |
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enddo |
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end do |
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endif |
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! |
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! *** find rain water and evaporation using provisional *** |
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! *** estimates of rp(i)and rp(i-1) *** |
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! |
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do il=1,ncum |
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83 |
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|
84 |
if (i.le.inb(il) .and. lwork(il)) then |
if (num1 > 0) then |
85 |
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! integrate liquid water equation to find condensed water |
86 |
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! and condensed water flux |
87 |
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|
88 |
wt(il,i)=45.0 |
! calculate detrained precipitation |
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if(i.lt.inb(il))then |
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rp(il,i)=rp(il,i+1) & |
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+(cpd*(t(il,i+1)-t(il,i))+gz(il,i+1)-gz(il,i))/lv(il,i) |
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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 |
|
89 |
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|
90 |
tevap=amax1(0.0,evap(il,i)) |
do il = 1, ncum |
91 |
delth=amax1(0.001,(th(il,i)-th(il,i-1))) |
if (i <= inb(il) .and. lwork(il)) then |
92 |
if (cvflag_grav) then |
if (cvflag_grav) then |
93 |
mp(il,i)=100.*ginv*lvcp(il,i)*sigd*tevap & |
wdtrain(il) = grav * ep(il, i) * m(il, i) * clw(il, i) |
|
*(p(il,i-1)-p(il,i))/delth |
|
94 |
else |
else |
95 |
mp(il,i)=10.*lvcp(il,i)*sigd*tevap*(p(il,i-1)-p(il,i))/delth |
wdtrain(il) = 10. * ep(il, i) * m(il, i) * clw(il, i) |
96 |
endif |
endif |
97 |
! |
endif |
98 |
! *** if hydrostatic assumption fails, *** |
enddo |
99 |
! *** solve cubic difference equation for downdraft theta *** |
|
100 |
! *** and mass flux from two simultaneous differential eqns *** |
if (i > 1) then |
101 |
! |
do j = 1, i - 1 |
102 |
amfac=sigd*sigd*70.0*ph(il,i)*(p(il,i-1)-p(il,i)) & |
do il = 1, ncum |
103 |
*(th(il,i)-th(il,i-1))/(tv(il,i)*th(il,i)) |
if (i <= inb(il) .and. lwork(il)) then |
104 |
amp2=abs(mp(il,i+1)*mp(il,i+1)-mp(il,i)*mp(il,i)) |
awat = elij(il, j, i) - (1. - ep(il, i)) * clw(il, i) |
105 |
if(amp2.gt.(0.1*amfac))then |
awat = amax1(awat, 0.) |
106 |
xf=100.0*sigd*sigd*sigd*(ph(il,i)-ph(il,i+1)) |
if (cvflag_grav) then |
107 |
tf=b(il,i)-5.0*(th(il,i)-th(il,i-1))*t(il,i) & |
wdtrain(il) = wdtrain(il) + grav * awat & |
108 |
/(lvcp(il,i)*sigd*th(il,i)) |
* ment(il, j, i) |
109 |
af=xf*tf+mp(il,i+1)*mp(il,i+1)*tinv |
else |
110 |
bf=2.*(tinv*mp(il,i+1))**3+tinv*mp(il,i+1)*xf*tf & |
wdtrain(il) = wdtrain(il) + 10. * awat * ment(il, j, i) |
111 |
+50.*(p(il,i-1)-p(il,i))*xf*tevap |
endif |
|
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 |
|
|
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) |
|
112 |
endif |
endif |
113 |
mp(il,i)=amax1(0.0,mp(il,i)) |
enddo |
114 |
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end do |
115 |
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endif |
116 |
|
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117 |
|
! find rain water and evaporation using provisional |
118 |
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! estimates of rp(i)and rp(i - 1) |
119 |
|
|
120 |
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do il = 1, ncum |
121 |
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if (i <= inb(il) .and. lwork(il)) then |
122 |
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wt(il, i) = 45. |
123 |
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124 |
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if (i < inb(il)) then |
125 |
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rp(il, i) = rp(il, i + 1) + (cpd * (t(il, i + 1) & |
126 |
|
- t(il, i)) + gz(il, i + 1) - gz(il, i)) / lv(il, i) |
127 |
|
rp(il, i) = 0.5 * (rp(il, i) + rr(il, i)) |
128 |
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endif |
129 |
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rp(il, i) = amax1(rp(il, i), 0.) |
130 |
|
rp(il, i) = amin1(rp(il, i), rs(il, i)) |
131 |
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rp(il, inb(il)) = rr(il, inb(il)) |
132 |
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133 |
|
if (i == 1) then |
134 |
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afac = p(il, 1) * (rs(il, 1) - rp(il, 1)) & |
135 |
|
/ (1e4 + 2000. * p(il, 1) * rs(il, 1)) |
136 |
|
else |
137 |
|
rp(il, i - 1) = rp(il, i) + (cpd * (t(il, i) & |
138 |
|
- t(il, i - 1)) + gz(il, i) - gz(il, i - 1)) / lv(il, i) |
139 |
|
rp(il, i - 1) = 0.5 * (rp(il, i - 1) + rr(il, i - 1)) |
140 |
|
rp(il, i - 1) = amin1(rp(il, i - 1), rs(il, i - 1)) |
141 |
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rp(il, i - 1) = amax1(rp(il, i - 1), 0.) |
142 |
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afac1 = p(il, i) * (rs(il, i) - rp(il, i)) & |
143 |
|
/ (1e4 + 2000. * p(il, i) * rs(il, i)) |
144 |
|
afac2 = p(il, i - 1) * (rs(il, i - 1) - rp(il, i - 1)) & |
145 |
|
/ (1e4 + 2000. * p(il, i - 1) * rs(il, i - 1)) |
146 |
|
afac = 0.5 * (afac1 + afac2) |
147 |
|
endif |
148 |
|
if (i == inb(il))afac = 0. |
149 |
|
afac = amax1(afac, 0.) |
150 |
|
bfac = 1. / (sigd * wt(il, i)) |
151 |
|
|
152 |
|
! prise en compte de la variation progressive de sigt dans |
153 |
|
! les couches icb et icb - 1: |
154 |
|
! pour plcl < ph(i + 1), pr1 = 0 & pr2 = 1 |
155 |
|
! pour plcl > ph(i), pr1 = 1 & pr2 = 0 |
156 |
|
! pour ph(i + 1) < plcl < ph(i), pr1 est la proportion a cheval |
157 |
|
! sur le nuage, et pr2 est la proportion sous la base du |
158 |
|
! nuage. |
159 |
|
pr1 = (plcl(il) - ph(il, i + 1)) / (ph(il, i) - ph(il, i + 1)) |
160 |
|
pr1 = max(0., min(1., pr1)) |
161 |
|
pr2 = (ph(il, i) - plcl(il)) / (ph(il, i) - ph(il, i + 1)) |
162 |
|
pr2 = max(0., min(1., pr2)) |
163 |
|
sigt = sigp(il, i) * pr1 + pr2 |
164 |
|
|
165 |
|
b6 = bfac * 50. * sigd * (ph(il, i) - ph(il, i + 1)) * sigt & |
166 |
|
* afac |
167 |
|
c6 = water(il, i + 1) + bfac * wdtrain(il) - 50. * sigd * bfac & |
168 |
|
* (ph(il, i) - ph(il, i + 1)) * evap(il, i + 1) |
169 |
|
if (c6 > 0.) then |
170 |
|
revap = 0.5 * (- b6 + sqrt(b6 * b6 + 4. * c6)) |
171 |
|
evap(il, i) = sigt * afac * revap |
172 |
|
water(il, i) = revap * revap |
173 |
|
else |
174 |
|
evap(il, i) = - evap(il, i + 1) + 0.02 * (wdtrain(il) & |
175 |
|
+ sigd * wt(il, i) * water(il, i + 1)) & |
176 |
|
/ (sigd * (ph(il, i) - ph(il, i + 1))) |
177 |
|
end if |
178 |
|
|
179 |
|
! calculate precipitating downdraft mass flux under |
180 |
|
! hydrostatic approximation |
181 |
|
|
182 |
|
if (i /= 1) then |
183 |
|
tevap = amax1(0., evap(il, i)) |
184 |
|
delth = amax1(0.001, (th(il, i) - th(il, i - 1))) |
185 |
if (cvflag_grav) then |
if (cvflag_grav) then |
186 |
!jyg : il y a vraisemblablement une erreur dans la ligne 2 suivante: |
mp(il, i) = 100. * ginv * lvcp(il, i) * sigd * tevap & |
187 |
! il faut diviser par (mp(il,i)*sigd*grav) et non par (mp(il,i)+sigd*0.1). |
* (p(il, i - 1) - p(il, i)) / delth |
|
! Et il faut bien revoir les facteurs 100. |
|
|
b(il,i-1)=b(il,i)+100.0*(p(il,i-1)-p(il,i))*tevap & |
|
|
/(mp(il,i)+sigd*0.1) & |
|
|
-10.0*(th(il,i)-th(il,i-1))*t(il,i)/(lvcp(il,i)*sigd*th(il,i)) |
|
188 |
else |
else |
189 |
b(il,i-1)=b(il,i)+100.0*(p(il,i-1)-p(il,i))*tevap & |
mp(il, i) = 10. * lvcp(il, i) * sigd * tevap & |
190 |
/(mp(il,i)+sigd*0.1) & |
* (p(il, i - 1) - p(il, i)) / delth |
|
-10.0*(th(il,i)-th(il,i-1))*t(il,i)/(lvcp(il,i)*sigd*th(il,i)) |
|
191 |
endif |
endif |
|
b(il,i-1)=amax1(b(il,i-1),0.0) |
|
|
endif |
|
|
! |
|
|
! *** limit magnitude of mp(i) to meet cfl condition *** |
|
|
! |
|
|
ampmax=2.0*(ph(il,i)-ph(il,i+1))*delti |
|
|
amp2=2.0*(ph(il,i-1)-ph(il,i))*delti |
|
|
ampmax=amin1(ampmax,amp2) |
|
|
mp(il,i)=amin1(mp(il,i),ampmax) |
|
|
! |
|
|
! *** force mp to decrease linearly to zero *** |
|
|
! *** between cloud base and the surface *** |
|
|
! |
|
|
if(p(il,i).gt.p(il,icb(il)))then |
|
|
mp(il,i)=mp(il,icb(il))*(p(il,1)-p(il,i))/(p(il,1)-p(il,icb(il))) |
|
|
endif |
|
|
|
|
|
endif ! i.eq.1 |
|
|
! |
|
|
! *** find mixing ratio of precipitating downdraft *** |
|
|
! |
|
192 |
|
|
193 |
if (i.ne.inb(il)) then |
! if hydrostatic assumption fails, |
194 |
|
! solve cubic difference equation for downdraft theta |
195 |
|
! and mass flux from two simultaneous differential eqns |
196 |
|
|
197 |
|
amfac = sigd * sigd * 70. * ph(il, i) & |
198 |
|
* (p(il, i - 1) - p(il, i)) & |
199 |
|
* (th(il, i) - th(il, i - 1)) / (tv(il, i) * th(il, i)) |
200 |
|
amp2 = abs(mp(il, i + 1) * mp(il, i + 1) - mp(il, i) & |
201 |
|
* mp(il, i)) |
202 |
|
if (amp2 > (0.1 * amfac)) then |
203 |
|
xf = 100. * sigd * sigd * sigd * (ph(il, i) & |
204 |
|
- ph(il, i + 1)) |
205 |
|
tf = b(il, i) - 5. * (th(il, i) - th(il, i - 1)) & |
206 |
|
* t(il, i) / (lvcp(il, i) * sigd * th(il, i)) |
207 |
|
af = xf * tf + mp(il, i + 1) * mp(il, i + 1) * tinv |
208 |
|
bf = 2. * (tinv * mp(il, i + 1))**3 + tinv & |
209 |
|
* mp(il, i + 1) * xf * tf + 50. * (p(il, i - 1) & |
210 |
|
- p(il, i)) * xf * tevap |
211 |
|
fac2 = 1. |
212 |
|
if (bf < 0.)fac2 = - 1. |
213 |
|
bf = abs(bf) |
214 |
|
ur = 0.25 * bf * bf - af * af * af * tinv * tinv * tinv |
215 |
|
if (ur >= 0.) then |
216 |
|
sru = sqrt(ur) |
217 |
|
fac = 1. |
218 |
|
if ((0.5 * bf - sru) < 0.)fac = - 1. |
219 |
|
mp(il, i) = mp(il, i + 1) * tinv & |
220 |
|
+ (0.5 * bf + sru)**tinv & |
221 |
|
+ fac * (abs(0.5 * bf - sru))**tinv |
222 |
|
else |
223 |
|
d = atan(2. * sqrt(- ur) / (bf + 1e-28)) |
224 |
|
if (fac2 < 0.)d = 3.14159 - d |
225 |
|
mp(il, i) = mp(il, i + 1) * tinv + 2. & |
226 |
|
* sqrt(af * tinv) * cos(d * tinv) |
227 |
|
endif |
228 |
|
mp(il, i) = amax1(0., mp(il, i)) |
229 |
|
|
230 |
rp(il,i)=rr(il,i) |
if (cvflag_grav) then |
231 |
|
! Il y a vraisemblablement une erreur dans la |
232 |
|
! ligne 2 suivante: il faut diviser par (mp(il, |
233 |
|
! i) * sigd * grav) et non par (mp(il, i) + sigd |
234 |
|
! * 0.1). Et il faut bien revoir les facteurs |
235 |
|
! 100. |
236 |
|
b(il, i - 1) = b(il, i) + 100. * (p(il, i - 1) & |
237 |
|
- p(il, i)) * tevap / (mp(il, i) + sigd * 0.1) & |
238 |
|
- 10. * (th(il, i) - th(il, i - 1)) * t(il, i) & |
239 |
|
/ (lvcp(il, i) * sigd * th(il, i)) |
240 |
|
else |
241 |
|
b(il, i - 1) = b(il, i) + 100. * (p(il, i - 1) & |
242 |
|
- p(il, i)) * tevap / (mp(il, i) + sigd * 0.1) & |
243 |
|
- 10. * (th(il, i) - th(il, i - 1)) * t(il, i) & |
244 |
|
/ (lvcp(il, i) * sigd * th(il, i)) |
245 |
|
endif |
246 |
|
b(il, i - 1) = amax1(b(il, i - 1), 0.) |
247 |
|
endif |
248 |
|
|
249 |
if(mp(il,i).gt.mp(il,i+1))then |
! limit magnitude of mp(i) to meet cfl condition |
250 |
|
|
251 |
if (cvflag_grav) then |
ampmax = 2. * (ph(il, i) - ph(il, i + 1)) * delti |
252 |
rp(il,i)=rp(il,i+1)*mp(il,i+1)+rr(il,i)*(mp(il,i)-mp(il,i+1)) & |
amp2 = 2. * (ph(il, i - 1) - ph(il, i)) * delti |
253 |
+100.*ginv*0.5*sigd*(ph(il,i)-ph(il,i+1)) & |
ampmax = amin1(ampmax, amp2) |
254 |
*(evap(il,i+1)+evap(il,i)) |
mp(il, i) = amin1(mp(il, i), ampmax) |
255 |
else |
|
256 |
rp(il,i)=rp(il,i+1)*mp(il,i+1)+rr(il,i)*(mp(il,i)-mp(il,i+1)) & |
! force mp to decrease linearly to zero |
257 |
+5.*sigd*(ph(il,i)-ph(il,i+1)) & |
! between cloud base and the surface |
258 |
*(evap(il,i+1)+evap(il,i)) |
|
259 |
|
if (p(il, i) > p(il, icb(il))) then |
260 |
|
mp(il, i) = mp(il, icb(il)) * (p(il, 1) - p(il, i)) & |
261 |
|
/ (p(il, 1) - p(il, icb(il))) |
262 |
endif |
endif |
263 |
rp(il,i)=rp(il,i)/mp(il,i) |
endif ! i == 1 |
|
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)/mp(il,i) |
|
|
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)/mp(il,i) |
|
264 |
|
|
265 |
else |
! find mixing ratio of precipitating downdraft |
266 |
|
|
267 |
|
if (i /= inb(il)) then |
268 |
|
rp(il, i) = rr(il, i) |
269 |
|
|
270 |
if(mp(il,i+1).gt.1.0e-16)then |
if (mp(il, i) > mp(il, i + 1)) then |
271 |
if (cvflag_grav) then |
if (cvflag_grav) then |
272 |
rp(il,i)=rp(il,i+1) & |
rp(il, i) = rp(il, i + 1) * mp(il, i + 1) + rr(il, i) & |
273 |
+100.*ginv*0.5*sigd*(ph(il,i)-ph(il,i+1)) & |
* (mp(il, i) - mp(il, i + 1)) + 100. * ginv & |
274 |
*(evap(il,i+1)+evap(il,i))/mp(il,i+1) |
* 0.5 * sigd * (ph(il, i) - ph(il, i + 1)) & |
275 |
|
* (evap(il, i + 1) + evap(il, i)) |
276 |
else |
else |
277 |
rp(il,i)=rp(il,i+1) & |
rp(il, i) = rp(il, i + 1) * mp(il, i + 1) + rr(il, i) & |
278 |
+5.*sigd*(ph(il,i)-ph(il,i+1)) & |
* (mp(il, i) - mp(il, i + 1)) + 5. * sigd & |
279 |
*(evap(il,i+1)+evap(il,i))/mp(il,i+1) |
* (ph(il, i) - ph(il, i + 1)) & |
280 |
|
* (evap(il, i + 1) + evap(il, i)) |
281 |
|
endif |
282 |
|
rp(il, i) = rp(il, i) / mp(il, i) |
283 |
|
up(il, i) = up(il, i + 1) * mp(il, i + 1) + u(il, i) & |
284 |
|
* (mp(il, i) - mp(il, i + 1)) |
285 |
|
up(il, i) = up(il, i) / mp(il, i) |
286 |
|
vp(il, i) = vp(il, i + 1) * mp(il, i + 1) + v(il, i) & |
287 |
|
* (mp(il, i) - mp(il, i + 1)) |
288 |
|
vp(il, i) = vp(il, i) / mp(il, i) |
289 |
|
else |
290 |
|
if (mp(il, i + 1) > 1e-16) then |
291 |
|
if (cvflag_grav) then |
292 |
|
rp(il, i) = rp(il, i + 1) & |
293 |
|
+ 100. * ginv * 0.5 * sigd * (ph(il, i) & |
294 |
|
- ph(il, i + 1)) & |
295 |
|
* (evap(il, i + 1) + evap(il, i)) & |
296 |
|
/ mp(il, i + 1) |
297 |
|
else |
298 |
|
rp(il, i) = rp(il, i + 1) & |
299 |
|
+ 5. * sigd * (ph(il, i) - ph(il, i + 1)) & |
300 |
|
* (evap(il, i + 1) + evap(il, i)) & |
301 |
|
/ mp(il, i + 1) |
302 |
|
endif |
303 |
|
up(il, i) = up(il, i + 1) |
304 |
|
vp(il, i) = vp(il, i + 1) |
305 |
endif |
endif |
|
up(il,i)=up(il,i+1) |
|
|
vp(il,i)=vp(il,i+1) |
|
|
|
|
306 |
endif |
endif |
307 |
|
rp(il, i) = amin1(rp(il, i), rs(il, i)) |
308 |
|
rp(il, i) = amax1(rp(il, i), 0.) |
309 |
endif |
endif |
|
rp(il,i)=amin1(rp(il,i),rs(il,i)) |
|
|
rp(il,i)=amax1(rp(il,i),0.0) |
|
|
|
|
310 |
endif |
endif |
311 |
endif |
end do |
312 |
end do |
end if |
313 |
|
end DO downdraft_loop |
|
end DO |
|
314 |
|
|
315 |
end SUBROUTINE cv30_unsat |
end SUBROUTINE cv30_unsat |
316 |
|
|