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! |
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! $Header: /home/cvsroot/LMDZ4/libf/phylmd/cv_routines.F,v 1.1.1.1 2004/05/19 12:53:08 lmdzadmin Exp $ |
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! |
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SUBROUTINE cv_param(nd) |
| 5 |
implicit none |
| 6 |
|
| 7 |
c------------------------------------------------------------ |
| 8 |
c Set parameters for convectL |
| 9 |
c (includes microphysical parameters and parameters that |
| 10 |
c control the rate of approach to quasi-equilibrium) |
| 11 |
c------------------------------------------------------------ |
| 12 |
|
| 13 |
C *** ELCRIT IS THE AUTOCONVERSION THERSHOLD WATER CONTENT (gm/gm) *** |
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C *** TLCRIT IS CRITICAL TEMPERATURE BELOW WHICH THE AUTO- *** |
| 15 |
C *** CONVERSION THRESHOLD IS ASSUMED TO BE ZERO *** |
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C *** (THE AUTOCONVERSION THRESHOLD VARIES LINEARLY *** |
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C *** BETWEEN 0 C AND TLCRIT) *** |
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C *** ENTP IS THE COEFFICIENT OF MIXING IN THE ENTRAINMENT *** |
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C *** FORMULATION *** |
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C *** SIGD IS THE FRACTIONAL AREA COVERED BY UNSATURATED DNDRAFT *** |
| 21 |
C *** SIGS IS THE FRACTION OF PRECIPITATION FALLING OUTSIDE *** |
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C *** OF CLOUD *** |
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C *** OMTRAIN IS THE ASSUMED FALL SPEED (P/s) OF RAIN *** |
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C *** OMTSNOW IS THE ASSUMED FALL SPEED (P/s) OF SNOW *** |
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C *** COEFFR IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION *** |
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C *** OF RAIN *** |
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C *** COEFFS IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION *** |
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C *** OF SNOW *** |
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C *** CU IS THE COEFFICIENT GOVERNING CONVECTIVE MOMENTUM *** |
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C *** TRANSPORT *** |
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C *** DTMAX IS THE MAXIMUM NEGATIVE TEMPERATURE PERTURBATION *** |
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C *** A LIFTED PARCEL IS ALLOWED TO HAVE BELOW ITS LFC *** |
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C *** ALPHA AND DAMP ARE PARAMETERS THAT CONTROL THE RATE OF *** |
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C *** APPROACH TO QUASI-EQUILIBRIUM *** |
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C *** (THEIR STANDARD VALUES ARE 0.20 AND 0.1, RESPECTIVELY) *** |
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C *** (DAMP MUST BE LESS THAN 1) *** |
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|
| 38 |
include "cvparam.h" |
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integer nd |
| 40 |
|
| 41 |
c noff: integer limit for convection (nd-noff) |
| 42 |
c minorig: First level of convection |
| 43 |
|
| 44 |
noff = 2 |
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minorig = 2 |
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|
| 47 |
nl=nd-noff |
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nlp=nl+1 |
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nlm=nl-1 |
| 50 |
|
| 51 |
elcrit=0.0011 |
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tlcrit=-55.0 |
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entp=1.5 |
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sigs=0.12 |
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sigd=0.05 |
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omtrain=50.0 |
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omtsnow=5.5 |
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coeffr=1.0 |
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coeffs=0.8 |
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dtmax=0.9 |
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c |
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cu=0.70 |
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c |
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betad=10.0 |
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c |
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damp=0.1 |
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alpha=0.2 |
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c |
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delta=0.01 ! cld |
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c |
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return |
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end |
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|
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SUBROUTINE cv_prelim(len,nd,ndp1,t,q,p,ph |
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: ,lv,cpn,tv,gz,h,hm) |
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use cvthermo |
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implicit none |
| 78 |
|
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!===================================================================== |
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! --- CALCULATE ARRAYS OF GEOPOTENTIAL, HEAT CAPACITY & STATIC ENERGY |
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!===================================================================== |
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|
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c inputs: |
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integer len, nd, ndp1 |
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real t(len,nd), q(len,nd), p(len,nd), ph(len,ndp1) |
| 86 |
|
| 87 |
c outputs: |
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real lv(len,nd), cpn(len,nd), tv(len,nd) |
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real gz(len,nd), h(len,nd), hm(len,nd) |
| 90 |
|
| 91 |
c local variables: |
| 92 |
integer k, i |
| 93 |
real cpx(len,nd) |
| 94 |
|
| 95 |
include "cvparam.h" |
| 96 |
|
| 97 |
|
| 98 |
do 110 k=1,nlp |
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do 100 i=1,len |
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lv(i,k)= lv0-clmcpv*(t(i,k)-t0) |
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cpn(i,k)=cpd*(1.0-q(i,k))+cpv*q(i,k) |
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cpx(i,k)=cpd*(1.0-q(i,k))+cl*q(i,k) |
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tv(i,k)=t(i,k)*(1.0+q(i,k)*epsim1) |
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100 continue |
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110 continue |
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c |
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c gz = phi at the full levels (same as p). |
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c |
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do 120 i=1,len |
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gz(i,1)=0.0 |
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120 continue |
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do 140 k=2,nlp |
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do 130 i=1,len |
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gz(i,k)=gz(i,k-1)+hrd*(tv(i,k-1)+tv(i,k)) |
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& *(p(i,k-1)-p(i,k))/ph(i,k) |
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130 continue |
| 117 |
140 continue |
| 118 |
c |
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c h = phi + cpT (dry static energy). |
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c hm = phi + cp(T-Tbase)+Lq |
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c |
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do 170 k=1,nlp |
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do 160 i=1,len |
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h(i,k)=gz(i,k)+cpn(i,k)*t(i,k) |
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hm(i,k)=gz(i,k)+cpx(i,k)*(t(i,k)-t(i,1))+lv(i,k)*q(i,k) |
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160 continue |
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170 continue |
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|
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return |
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end |
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|
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SUBROUTINE cv_feed(len,nd,t,q,qs,p,hm,gz |
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: ,nk,icb,icbmax,iflag,tnk,qnk,gznk,plcl) |
| 134 |
implicit none |
| 135 |
|
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C================================================================ |
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C Purpose: CONVECTIVE FEED |
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C================================================================ |
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|
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include "cvparam.h" |
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|
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c inputs: |
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integer len, nd |
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real t(len,nd), q(len,nd), qs(len,nd), p(len,nd) |
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real hm(len,nd), gz(len,nd) |
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|
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c outputs: |
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integer iflag(len), nk(len), icb(len), icbmax |
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real tnk(len), qnk(len), gznk(len), plcl(len) |
| 150 |
|
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c local variables: |
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integer i, k |
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integer ihmin(len) |
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real work(len) |
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real pnk(len), qsnk(len), rh(len), chi(len) |
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|
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!------------------------------------------------------------------- |
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! --- Find level of minimum moist static energy |
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! --- If level of minimum moist static energy coincides with |
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! --- or is lower than minimum allowable parcel origin level, |
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! --- set iflag to 6. |
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!------------------------------------------------------------------- |
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|
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do 180 i=1,len |
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work(i)=1.0e12 |
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ihmin(i)=nl |
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180 continue |
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do 200 k=2,nlp |
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do 190 i=1,len |
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if((hm(i,k).lt.work(i)).and. |
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& (hm(i,k).lt.hm(i,k-1)))then |
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work(i)=hm(i,k) |
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ihmin(i)=k |
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endif |
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190 continue |
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200 continue |
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do 210 i=1,len |
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ihmin(i)=min(ihmin(i),nlm) |
| 179 |
if(ihmin(i).le.minorig)then |
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iflag(i)=6 |
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endif |
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210 continue |
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c |
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!------------------------------------------------------------------- |
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! --- Find that model level below the level of minimum moist static |
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! --- energy that has the maximum value of moist static energy |
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!------------------------------------------------------------------- |
| 188 |
|
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do 220 i=1,len |
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work(i)=hm(i,minorig) |
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nk(i)=minorig |
| 192 |
220 continue |
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do 240 k=minorig+1,nl |
| 194 |
do 230 i=1,len |
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if((hm(i,k).gt.work(i)).and.(k.le.ihmin(i)))then |
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work(i)=hm(i,k) |
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nk(i)=k |
| 198 |
endif |
| 199 |
230 continue |
| 200 |
240 continue |
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!------------------------------------------------------------------- |
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! --- Check whether parcel level temperature and specific humidity |
| 203 |
! --- are reasonable |
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!------------------------------------------------------------------- |
| 205 |
do 250 i=1,len |
| 206 |
if(((t(i,nk(i)).lt.250.0).or. |
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& (q(i,nk(i)).le.0.0).or. |
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& (p(i,ihmin(i)).lt.400.0)).and. |
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& (iflag(i).eq.0))iflag(i)=7 |
| 210 |
250 continue |
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!------------------------------------------------------------------- |
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! --- Calculate lifted condensation level of air at parcel origin level |
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! --- (Within 0.2% of formula of Bolton, MON. WEA. REV.,1980) |
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!------------------------------------------------------------------- |
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do 260 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)) |
| 219 |
pnk(i)=p(i,nk(i)) |
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qsnk(i)=qs(i,nk(i)) |
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c |
| 222 |
rh(i)=qnk(i)/qsnk(i) |
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rh(i)=min(1.0,rh(i)) |
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chi(i)=tnk(i)/(1669.0-122.0*rh(i)-tnk(i)) |
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plcl(i)=pnk(i)*(rh(i)**chi(i)) |
| 226 |
if(((plcl(i).lt.200.0).or.(plcl(i).ge.2000.0)) |
| 227 |
& .and.(iflag(i).eq.0))iflag(i)=8 |
| 228 |
260 continue |
| 229 |
!------------------------------------------------------------------- |
| 230 |
! --- Calculate first level above lcl (=icb) |
| 231 |
!------------------------------------------------------------------- |
| 232 |
do 270 i=1,len |
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icb(i)=nlm |
| 234 |
270 continue |
| 235 |
c |
| 236 |
do 290 k=minorig,nl |
| 237 |
do 280 i=1,len |
| 238 |
if((k.ge.(nk(i)+1)).and.(p(i,k).lt.plcl(i))) |
| 239 |
& icb(i)=min(icb(i),k) |
| 240 |
280 continue |
| 241 |
290 continue |
| 242 |
c |
| 243 |
do 300 i=1,len |
| 244 |
if((icb(i).ge.nlm).and.(iflag(i).eq.0))iflag(i)=9 |
| 245 |
300 continue |
| 246 |
c |
| 247 |
c Compute icbmax. |
| 248 |
c |
| 249 |
icbmax=2 |
| 250 |
do 310 i=1,len |
| 251 |
icbmax=max(icbmax,icb(i)) |
| 252 |
310 continue |
| 253 |
|
| 254 |
return |
| 255 |
end |
| 256 |
|
| 257 |
SUBROUTINE cv_undilute1(len,nd,t,q,qs,gz,p,nk,icb,icbmax |
| 258 |
: ,tp,tvp,clw) |
| 259 |
use cvthermo |
| 260 |
implicit none |
| 261 |
|
| 262 |
include "cvparam.h" |
| 263 |
|
| 264 |
c inputs: |
| 265 |
integer len, nd |
| 266 |
integer nk(len), icb(len), icbmax |
| 267 |
real t(len,nd), q(len,nd), qs(len,nd), gz(len,nd) |
| 268 |
real p(len,nd) |
| 269 |
|
| 270 |
c outputs: |
| 271 |
real tp(len,nd), tvp(len,nd), clw(len,nd) |
| 272 |
|
| 273 |
c local variables: |
| 274 |
integer i, k |
| 275 |
real tg, qg, alv, s, ahg, tc, denom, es, rg |
| 276 |
real ah0(len), cpp(len) |
| 277 |
real tnk(len), qnk(len), gznk(len), ticb(len), gzicb(len) |
| 278 |
|
| 279 |
!------------------------------------------------------------------- |
| 280 |
! --- Calculates the lifted parcel virtual temperature at nk, |
| 281 |
! --- the actual temperature, and the adiabatic |
| 282 |
! --- liquid water content. The procedure is to solve the equation. |
| 283 |
! cp*tp+L*qp+phi=cp*tnk+L*qnk+gznk. |
| 284 |
!------------------------------------------------------------------- |
| 285 |
|
| 286 |
do 320 i=1,len |
| 287 |
tnk(i)=t(i,nk(i)) |
| 288 |
qnk(i)=q(i,nk(i)) |
| 289 |
gznk(i)=gz(i,nk(i)) |
| 290 |
ticb(i)=t(i,icb(i)) |
| 291 |
gzicb(i)=gz(i,icb(i)) |
| 292 |
320 continue |
| 293 |
c |
| 294 |
c *** Calculate certain parcel quantities, including static energy *** |
| 295 |
c |
| 296 |
do 330 i=1,len |
| 297 |
ah0(i)=(cpd*(1.-qnk(i))+cl*qnk(i))*tnk(i) |
| 298 |
& +qnk(i)*(lv0-clmcpv*(tnk(i)-273.15))+gznk(i) |
| 299 |
cpp(i)=cpd*(1.-qnk(i))+qnk(i)*cpv |
| 300 |
330 continue |
| 301 |
c |
| 302 |
c *** Calculate lifted parcel quantities below cloud base *** |
| 303 |
c |
| 304 |
do 350 k=minorig,icbmax-1 |
| 305 |
do 340 i=1,len |
| 306 |
tp(i,k)=tnk(i)-(gz(i,k)-gznk(i))/cpp(i) |
| 307 |
tvp(i,k)=tp(i,k)*(1.+qnk(i)*epsi) |
| 308 |
340 continue |
| 309 |
350 continue |
| 310 |
c |
| 311 |
c *** Find lifted parcel quantities above cloud base *** |
| 312 |
c |
| 313 |
do 360 i=1,len |
| 314 |
tg=ticb(i) |
| 315 |
qg=qs(i,icb(i)) |
| 316 |
alv=lv0-clmcpv*(ticb(i)-t0) |
| 317 |
c |
| 318 |
c First iteration. |
| 319 |
c |
| 320 |
s=cpd+alv*alv*qg/(rrv*ticb(i)*ticb(i)) |
| 321 |
s=1./s |
| 322 |
ahg=cpd*tg+(cl-cpd)*qnk(i)*ticb(i)+alv*qg+gzicb(i) |
| 323 |
tg=tg+s*(ah0(i)-ahg) |
| 324 |
tg=max(tg,35.0) |
| 325 |
tc=tg-t0 |
| 326 |
denom=243.5+tc |
| 327 |
if(tc.ge.0.0)then |
| 328 |
es=6.112*exp(17.67*tc/denom) |
| 329 |
else |
| 330 |
es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
| 331 |
endif |
| 332 |
qg=eps*es/(p(i,icb(i))-es*(1.-eps)) |
| 333 |
c |
| 334 |
c Second iteration. |
| 335 |
c |
| 336 |
s=cpd+alv*alv*qg/(rrv*ticb(i)*ticb(i)) |
| 337 |
s=1./s |
| 338 |
ahg=cpd*tg+(cl-cpd)*qnk(i)*ticb(i)+alv*qg+gzicb(i) |
| 339 |
tg=tg+s*(ah0(i)-ahg) |
| 340 |
tg=max(tg,35.0) |
| 341 |
tc=tg-t0 |
| 342 |
denom=243.5+tc |
| 343 |
if(tc.ge.0.0)then |
| 344 |
es=6.112*exp(17.67*tc/denom) |
| 345 |
else |
| 346 |
es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
| 347 |
end if |
| 348 |
qg=eps*es/(p(i,icb(i))-es*(1.-eps)) |
| 349 |
c |
| 350 |
alv=lv0-clmcpv*(ticb(i)-273.15) |
| 351 |
tp(i,icb(i))=(ah0(i)-(cl-cpd)*qnk(i)*ticb(i) |
| 352 |
& -gz(i,icb(i))-alv*qg)/cpd |
| 353 |
clw(i,icb(i))=qnk(i)-qg |
| 354 |
clw(i,icb(i))=max(0.0,clw(i,icb(i))) |
| 355 |
rg=qg/(1.-qnk(i)) |
| 356 |
tvp(i,icb(i))=tp(i,icb(i))*(1.+rg*epsi) |
| 357 |
360 continue |
| 358 |
c |
| 359 |
do 380 k=minorig,icbmax |
| 360 |
do 370 i=1,len |
| 361 |
tvp(i,k)=tvp(i,k)-tp(i,k)*qnk(i) |
| 362 |
370 continue |
| 363 |
380 continue |
| 364 |
c |
| 365 |
return |
| 366 |
end |
| 367 |
|
| 368 |
SUBROUTINE cv_trigger(len,nd,icb,cbmf,tv,tvp,iflag) |
| 369 |
implicit none |
| 370 |
|
| 371 |
!------------------------------------------------------------------- |
| 372 |
! --- Test for instability. |
| 373 |
! --- If there was no convection at last time step and parcel |
| 374 |
! --- is stable at icb, then set iflag to 4. |
| 375 |
!------------------------------------------------------------------- |
| 376 |
|
| 377 |
include "cvparam.h" |
| 378 |
|
| 379 |
c inputs: |
| 380 |
integer len, nd, icb(len) |
| 381 |
real cbmf(len), tv(len,nd), tvp(len,nd) |
| 382 |
|
| 383 |
c outputs: |
| 384 |
integer iflag(len) ! also an input |
| 385 |
|
| 386 |
c local variables: |
| 387 |
integer i |
| 388 |
|
| 389 |
|
| 390 |
do 390 i=1,len |
| 391 |
if((cbmf(i).eq.0.0) .and.(iflag(i).eq.0).and. |
| 392 |
& (tvp(i,icb(i)).le.(tv(i,icb(i))-dtmax)))iflag(i)=4 |
| 393 |
390 continue |
| 394 |
|
| 395 |
return |
| 396 |
end |
| 397 |
|
| 398 |
SUBROUTINE cv_compress( len,nloc,ncum,nd |
| 399 |
: ,iflag1,nk1,icb1 |
| 400 |
: ,cbmf1,plcl1,tnk1,qnk1,gznk1 |
| 401 |
: ,t1,q1,qs1,u1,v1,gz1 |
| 402 |
: ,h1,lv1,cpn1,p1,ph1,tv1,tp1,tvp1,clw1 |
| 403 |
o ,iflag,nk,icb |
| 404 |
o ,cbmf,plcl,tnk,qnk,gznk |
| 405 |
o ,t,q,qs,u,v,gz,h,lv,cpn,p,ph,tv,tp,tvp,clw |
| 406 |
o ,dph ) |
| 407 |
implicit none |
| 408 |
|
| 409 |
include "cvparam.h" |
| 410 |
|
| 411 |
c inputs: |
| 412 |
integer len,ncum,nd,nloc |
| 413 |
integer iflag1(len),nk1(len),icb1(len) |
| 414 |
real cbmf1(len),plcl1(len),tnk1(len),qnk1(len),gznk1(len) |
| 415 |
real t1(len,nd),q1(len,nd),qs1(len,nd),u1(len,nd),v1(len,nd) |
| 416 |
real gz1(len,nd),h1(len,nd),lv1(len,nd),cpn1(len,nd) |
| 417 |
real p1(len,nd),ph1(len,nd+1),tv1(len,nd),tp1(len,nd) |
| 418 |
real tvp1(len,nd),clw1(len,nd) |
| 419 |
|
| 420 |
c outputs: |
| 421 |
integer iflag(nloc),nk(nloc),icb(nloc) |
| 422 |
real cbmf(nloc),plcl(nloc),tnk(nloc),qnk(nloc),gznk(nloc) |
| 423 |
real t(nloc,nd),q(nloc,nd),qs(nloc,nd),u(nloc,nd),v(nloc,nd) |
| 424 |
real gz(nloc,nd),h(nloc,nd),lv(nloc,nd),cpn(nloc,nd) |
| 425 |
real p(nloc,nd),ph(nloc,nd+1),tv(nloc,nd),tp(nloc,nd) |
| 426 |
real tvp(nloc,nd),clw(nloc,nd) |
| 427 |
real dph(nloc,nd) |
| 428 |
|
| 429 |
c local variables: |
| 430 |
integer i,k,nn |
| 431 |
|
| 432 |
|
| 433 |
do 110 k=1,nl+1 |
| 434 |
nn=0 |
| 435 |
do 100 i=1,len |
| 436 |
if(iflag1(i).eq.0)then |
| 437 |
nn=nn+1 |
| 438 |
t(nn,k)=t1(i,k) |
| 439 |
q(nn,k)=q1(i,k) |
| 440 |
qs(nn,k)=qs1(i,k) |
| 441 |
u(nn,k)=u1(i,k) |
| 442 |
v(nn,k)=v1(i,k) |
| 443 |
gz(nn,k)=gz1(i,k) |
| 444 |
h(nn,k)=h1(i,k) |
| 445 |
lv(nn,k)=lv1(i,k) |
| 446 |
cpn(nn,k)=cpn1(i,k) |
| 447 |
p(nn,k)=p1(i,k) |
| 448 |
ph(nn,k)=ph1(i,k) |
| 449 |
tv(nn,k)=tv1(i,k) |
| 450 |
tp(nn,k)=tp1(i,k) |
| 451 |
tvp(nn,k)=tvp1(i,k) |
| 452 |
clw(nn,k)=clw1(i,k) |
| 453 |
endif |
| 454 |
100 continue |
| 455 |
110 continue |
| 456 |
|
| 457 |
if (nn.ne.ncum) then |
| 458 |
print*,'strange! nn not equal to ncum: ',nn,ncum |
| 459 |
stop |
| 460 |
endif |
| 461 |
|
| 462 |
nn=0 |
| 463 |
do 150 i=1,len |
| 464 |
if(iflag1(i).eq.0)then |
| 465 |
nn=nn+1 |
| 466 |
cbmf(nn)=cbmf1(i) |
| 467 |
plcl(nn)=plcl1(i) |
| 468 |
tnk(nn)=tnk1(i) |
| 469 |
qnk(nn)=qnk1(i) |
| 470 |
gznk(nn)=gznk1(i) |
| 471 |
nk(nn)=nk1(i) |
| 472 |
icb(nn)=icb1(i) |
| 473 |
iflag(nn)=iflag1(i) |
| 474 |
endif |
| 475 |
150 continue |
| 476 |
|
| 477 |
do 170 k=1,nl |
| 478 |
do 160 i=1,ncum |
| 479 |
dph(i,k)=ph(i,k)-ph(i,k+1) |
| 480 |
160 continue |
| 481 |
170 continue |
| 482 |
|
| 483 |
return |
| 484 |
end |
| 485 |
|
| 486 |
SUBROUTINE cv_undilute2(nloc,ncum,nd,icb,nk |
| 487 |
: ,tnk,qnk,gznk,t,q,qs,gz |
| 488 |
: ,p,dph,h,tv,lv |
| 489 |
o ,inb,inb1,tp,tvp,clw,hp,ep,sigp,frac) |
| 490 |
use cvthermo |
| 491 |
implicit none |
| 492 |
|
| 493 |
C--------------------------------------------------------------------- |
| 494 |
C Purpose: |
| 495 |
C FIND THE REST OF THE LIFTED PARCEL TEMPERATURES |
| 496 |
C & |
| 497 |
C COMPUTE THE PRECIPITATION EFFICIENCIES AND THE |
| 498 |
C FRACTION OF PRECIPITATION FALLING OUTSIDE OF CLOUD |
| 499 |
C & |
| 500 |
C FIND THE LEVEL OF NEUTRAL BUOYANCY |
| 501 |
C--------------------------------------------------------------------- |
| 502 |
|
| 503 |
include "cvparam.h" |
| 504 |
|
| 505 |
c inputs: |
| 506 |
integer ncum, nd, nloc |
| 507 |
integer icb(nloc), nk(nloc) |
| 508 |
real t(nloc,nd), q(nloc,nd), qs(nloc,nd), gz(nloc,nd) |
| 509 |
real p(nloc,nd), dph(nloc,nd) |
| 510 |
real tnk(nloc), qnk(nloc), gznk(nloc) |
| 511 |
real lv(nloc,nd), tv(nloc,nd), h(nloc,nd) |
| 512 |
|
| 513 |
c outputs: |
| 514 |
integer inb(nloc), inb1(nloc) |
| 515 |
real tp(nloc,nd), tvp(nloc,nd), clw(nloc,nd) |
| 516 |
real ep(nloc,nd), sigp(nloc,nd), hp(nloc,nd) |
| 517 |
real frac(nloc) |
| 518 |
|
| 519 |
c local variables: |
| 520 |
integer i, k |
| 521 |
real tg,qg,ahg,alv,s,tc,es,denom,rg,tca,elacrit |
| 522 |
real by, defrac |
| 523 |
real ah0(nloc), cape(nloc), capem(nloc), byp(nloc) |
| 524 |
logical lcape(nloc) |
| 525 |
|
| 526 |
!===================================================================== |
| 527 |
! --- SOME INITIALIZATIONS |
| 528 |
!===================================================================== |
| 529 |
|
| 530 |
do 170 k=1,nl |
| 531 |
do 160 i=1,ncum |
| 532 |
ep(i,k)=0.0 |
| 533 |
sigp(i,k)=sigs |
| 534 |
160 continue |
| 535 |
170 continue |
| 536 |
|
| 537 |
!===================================================================== |
| 538 |
! --- FIND THE REST OF THE LIFTED PARCEL TEMPERATURES |
| 539 |
!===================================================================== |
| 540 |
c |
| 541 |
c --- The procedure is to solve the equation. |
| 542 |
c cp*tp+L*qp+phi=cp*tnk+L*qnk+gznk. |
| 543 |
c |
| 544 |
c *** Calculate certain parcel quantities, including static energy *** |
| 545 |
c |
| 546 |
c |
| 547 |
do 240 i=1,ncum |
| 548 |
ah0(i)=(cpd*(1.-qnk(i))+cl*qnk(i))*tnk(i) |
| 549 |
& +qnk(i)*(lv0-clmcpv*(tnk(i)-t0))+gznk(i) |
| 550 |
240 continue |
| 551 |
c |
| 552 |
c |
| 553 |
c *** Find lifted parcel quantities above cloud base *** |
| 554 |
c |
| 555 |
c |
| 556 |
do 300 k=minorig+1,nl |
| 557 |
do 290 i=1,ncum |
| 558 |
if(k.ge.(icb(i)+1))then |
| 559 |
tg=t(i,k) |
| 560 |
qg=qs(i,k) |
| 561 |
alv=lv0-clmcpv*(t(i,k)-t0) |
| 562 |
c |
| 563 |
c First iteration. |
| 564 |
c |
| 565 |
s=cpd+alv*alv*qg/(rrv*t(i,k)*t(i,k)) |
| 566 |
s=1./s |
| 567 |
ahg=cpd*tg+(cl-cpd)*qnk(i)*t(i,k)+alv*qg+gz(i,k) |
| 568 |
tg=tg+s*(ah0(i)-ahg) |
| 569 |
tg=max(tg,35.0) |
| 570 |
tc=tg-t0 |
| 571 |
denom=243.5+tc |
| 572 |
if(tc.ge.0.0)then |
| 573 |
es=6.112*exp(17.67*tc/denom) |
| 574 |
else |
| 575 |
es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
| 576 |
endif |
| 577 |
qg=eps*es/(p(i,k)-es*(1.-eps)) |
| 578 |
c |
| 579 |
c Second iteration. |
| 580 |
c |
| 581 |
s=cpd+alv*alv*qg/(rrv*t(i,k)*t(i,k)) |
| 582 |
s=1./s |
| 583 |
ahg=cpd*tg+(cl-cpd)*qnk(i)*t(i,k)+alv*qg+gz(i,k) |
| 584 |
tg=tg+s*(ah0(i)-ahg) |
| 585 |
tg=max(tg,35.0) |
| 586 |
tc=tg-t0 |
| 587 |
denom=243.5+tc |
| 588 |
if(tc.ge.0.0)then |
| 589 |
es=6.112*exp(17.67*tc/denom) |
| 590 |
else |
| 591 |
es=exp(23.33086-6111.72784/tg+0.15215*log(tg)) |
| 592 |
endif |
| 593 |
qg=eps*es/(p(i,k)-es*(1.-eps)) |
| 594 |
c |
| 595 |
alv=lv0-clmcpv*(t(i,k)-t0) |
| 596 |
c print*,'cpd dans convect2 ',cpd |
| 597 |
c print*,'tp(i,k),ah0(i),cl,cpd,qnk(i),t(i,k),gz(i,k),alv,qg,cpd' |
| 598 |
c print*,tp(i,k),ah0(i),cl,cpd,qnk(i),t(i,k),gz(i,k),alv,qg,cpd |
| 599 |
tp(i,k)=(ah0(i)-(cl-cpd)*qnk(i)*t(i,k)-gz(i,k)-alv*qg)/cpd |
| 600 |
c if (.not.cpd.gt.1000.) then |
| 601 |
c print*,'CPD=',cpd |
| 602 |
c stop |
| 603 |
c endif |
| 604 |
clw(i,k)=qnk(i)-qg |
| 605 |
clw(i,k)=max(0.0,clw(i,k)) |
| 606 |
rg=qg/(1.-qnk(i)) |
| 607 |
tvp(i,k)=tp(i,k)*(1.+rg*epsi) |
| 608 |
endif |
| 609 |
290 continue |
| 610 |
300 continue |
| 611 |
c |
| 612 |
!===================================================================== |
| 613 |
! --- SET THE PRECIPITATION EFFICIENCIES AND THE FRACTION OF |
| 614 |
! --- PRECIPITATION FALLING OUTSIDE OF CLOUD |
| 615 |
! --- THESE MAY BE FUNCTIONS OF TP(I), P(I) AND CLW(I) |
| 616 |
!===================================================================== |
| 617 |
c |
| 618 |
do 320 k=minorig+1,nl |
| 619 |
do 310 i=1,ncum |
| 620 |
if(k.ge.(nk(i)+1))then |
| 621 |
tca=tp(i,k)-t0 |
| 622 |
if(tca.ge.0.0)then |
| 623 |
elacrit=elcrit |
| 624 |
else |
| 625 |
elacrit=elcrit*(1.0-tca/tlcrit) |
| 626 |
endif |
| 627 |
elacrit=max(elacrit,0.0) |
| 628 |
ep(i,k)=1.0-elacrit/max(clw(i,k),1.0e-8) |
| 629 |
ep(i,k)=max(ep(i,k),0.0 ) |
| 630 |
ep(i,k)=min(ep(i,k),1.0 ) |
| 631 |
sigp(i,k)=sigs |
| 632 |
endif |
| 633 |
310 continue |
| 634 |
320 continue |
| 635 |
c |
| 636 |
!===================================================================== |
| 637 |
! --- CALCULATE VIRTUAL TEMPERATURE AND LIFTED PARCEL |
| 638 |
! --- VIRTUAL TEMPERATURE |
| 639 |
!===================================================================== |
| 640 |
c |
| 641 |
do 340 k=minorig+1,nl |
| 642 |
do 330 i=1,ncum |
| 643 |
if(k.ge.(icb(i)+1))then |
| 644 |
tvp(i,k)=tvp(i,k)*(1.0-qnk(i)+ep(i,k)*clw(i,k)) |
| 645 |
c print*,'i,k,tvp(i,k),qnk(i),ep(i,k),clw(i,k)' |
| 646 |
c print*, i,k,tvp(i,k),qnk(i),ep(i,k),clw(i,k) |
| 647 |
endif |
| 648 |
330 continue |
| 649 |
340 continue |
| 650 |
do 350 i=1,ncum |
| 651 |
tvp(i,nlp)=tvp(i,nl)-(gz(i,nlp)-gz(i,nl))/cpd |
| 652 |
350 continue |
| 653 |
c |
| 654 |
c===================================================================== |
| 655 |
c --- FIND THE FIRST MODEL LEVEL (INB1) ABOVE THE PARCEL'S |
| 656 |
c --- HIGHEST LEVEL OF NEUTRAL BUOYANCY |
| 657 |
c --- AND THE HIGHEST LEVEL OF POSITIVE CAPE (INB) |
| 658 |
c===================================================================== |
| 659 |
c |
| 660 |
do 510 i=1,ncum |
| 661 |
cape(i)=0.0 |
| 662 |
capem(i)=0.0 |
| 663 |
inb(i)=icb(i)+1 |
| 664 |
inb1(i)=inb(i) |
| 665 |
510 continue |
| 666 |
c |
| 667 |
c Originial Code |
| 668 |
c |
| 669 |
c do 530 k=minorig+1,nl-1 |
| 670 |
c do 520 i=1,ncum |
| 671 |
c if(k.ge.(icb(i)+1))then |
| 672 |
c by=(tvp(i,k)-tv(i,k))*dph(i,k)/p(i,k) |
| 673 |
c byp=(tvp(i,k+1)-tv(i,k+1))*dph(i,k+1)/p(i,k+1) |
| 674 |
c cape(i)=cape(i)+by |
| 675 |
c if(by.ge.0.0)inb1(i)=k+1 |
| 676 |
c if(cape(i).gt.0.0)then |
| 677 |
c inb(i)=k+1 |
| 678 |
c capem(i)=cape(i) |
| 679 |
c endif |
| 680 |
c endif |
| 681 |
c520 continue |
| 682 |
c530 continue |
| 683 |
c do 540 i=1,ncum |
| 684 |
c byp=(tvp(i,nl)-tv(i,nl))*dph(i,nl)/p(i,nl) |
| 685 |
c cape(i)=capem(i)+byp |
| 686 |
c defrac=capem(i)-cape(i) |
| 687 |
c defrac=max(defrac,0.001) |
| 688 |
c frac(i)=-cape(i)/defrac |
| 689 |
c frac(i)=min(frac(i),1.0) |
| 690 |
c frac(i)=max(frac(i),0.0) |
| 691 |
c540 continue |
| 692 |
c |
| 693 |
c K Emanuel fix |
| 694 |
c |
| 695 |
c call zilch(byp,ncum) |
| 696 |
c do 530 k=minorig+1,nl-1 |
| 697 |
c do 520 i=1,ncum |
| 698 |
c if(k.ge.(icb(i)+1))then |
| 699 |
c by=(tvp(i,k)-tv(i,k))*dph(i,k)/p(i,k) |
| 700 |
c cape(i)=cape(i)+by |
| 701 |
c if(by.ge.0.0)inb1(i)=k+1 |
| 702 |
c if(cape(i).gt.0.0)then |
| 703 |
c inb(i)=k+1 |
| 704 |
c capem(i)=cape(i) |
| 705 |
c byp(i)=(tvp(i,k+1)-tv(i,k+1))*dph(i,k+1)/p(i,k+1) |
| 706 |
c endif |
| 707 |
c endif |
| 708 |
c520 continue |
| 709 |
c530 continue |
| 710 |
c do 540 i=1,ncum |
| 711 |
c inb(i)=max(inb(i),inb1(i)) |
| 712 |
c cape(i)=capem(i)+byp(i) |
| 713 |
c defrac=capem(i)-cape(i) |
| 714 |
c defrac=max(defrac,0.001) |
| 715 |
c frac(i)=-cape(i)/defrac |
| 716 |
c frac(i)=min(frac(i),1.0) |
| 717 |
c frac(i)=max(frac(i),0.0) |
| 718 |
c540 continue |
| 719 |
c |
| 720 |
c J Teixeira fix |
| 721 |
c |
| 722 |
call zilch(byp,ncum) |
| 723 |
do 515 i=1,ncum |
| 724 |
lcape(i)=.true. |
| 725 |
515 continue |
| 726 |
do 530 k=minorig+1,nl-1 |
| 727 |
do 520 i=1,ncum |
| 728 |
if(cape(i).lt.0.0)lcape(i)=.false. |
| 729 |
if((k.ge.(icb(i)+1)).and.lcape(i))then |
| 730 |
by=(tvp(i,k)-tv(i,k))*dph(i,k)/p(i,k) |
| 731 |
byp(i)=(tvp(i,k+1)-tv(i,k+1))*dph(i,k+1)/p(i,k+1) |
| 732 |
cape(i)=cape(i)+by |
| 733 |
if(by.ge.0.0)inb1(i)=k+1 |
| 734 |
if(cape(i).gt.0.0)then |
| 735 |
inb(i)=k+1 |
| 736 |
capem(i)=cape(i) |
| 737 |
endif |
| 738 |
endif |
| 739 |
520 continue |
| 740 |
530 continue |
| 741 |
do 540 i=1,ncum |
| 742 |
cape(i)=capem(i)+byp(i) |
| 743 |
defrac=capem(i)-cape(i) |
| 744 |
defrac=max(defrac,0.001) |
| 745 |
frac(i)=-cape(i)/defrac |
| 746 |
frac(i)=min(frac(i),1.0) |
| 747 |
frac(i)=max(frac(i),0.0) |
| 748 |
540 continue |
| 749 |
c |
| 750 |
c===================================================================== |
| 751 |
c --- CALCULATE LIQUID WATER STATIC ENERGY OF LIFTED PARCEL |
| 752 |
c===================================================================== |
| 753 |
c |
| 754 |
c initialization: |
| 755 |
do i=1,ncum*nlp |
| 756 |
hp(i,1)=h(i,1) |
| 757 |
enddo |
| 758 |
|
| 759 |
do 600 k=minorig+1,nl |
| 760 |
do 590 i=1,ncum |
| 761 |
if((k.ge.icb(i)).and.(k.le.inb(i)))then |
| 762 |
hp(i,k)=h(i,nk(i))+(lv(i,k)+(cpd-cpv)*t(i,k))*ep(i,k)*clw(i,k) |
| 763 |
endif |
| 764 |
590 continue |
| 765 |
600 continue |
| 766 |
c |
| 767 |
return |
| 768 |
end |
| 769 |
c |
| 770 |
SUBROUTINE cv_closure(nloc,ncum,nd,nk,icb |
| 771 |
: ,tv,tvp,p,ph,dph,plcl,cpn |
| 772 |
: ,iflag,cbmf) |
| 773 |
use cvthermo |
| 774 |
implicit none |
| 775 |
|
| 776 |
c inputs: |
| 777 |
integer ncum, nd, nloc |
| 778 |
integer nk(nloc), icb(nloc) |
| 779 |
real tv(nloc,nd), tvp(nloc,nd), p(nloc,nd), dph(nloc,nd) |
| 780 |
real ph(nloc,nd+1) ! caution nd instead ndp1 to be consistent... |
| 781 |
real plcl(nloc), cpn(nloc,nd) |
| 782 |
|
| 783 |
c outputs: |
| 784 |
integer iflag(nloc) |
| 785 |
real cbmf(nloc) ! also an input |
| 786 |
|
| 787 |
c local variables: |
| 788 |
integer i, k, icbmax |
| 789 |
real dtpbl(nloc), dtmin(nloc), tvpplcl(nloc), tvaplcl(nloc) |
| 790 |
real work(nloc) |
| 791 |
|
| 792 |
include "cvparam.h" |
| 793 |
|
| 794 |
c------------------------------------------------------------------- |
| 795 |
c Compute icbmax. |
| 796 |
c------------------------------------------------------------------- |
| 797 |
|
| 798 |
icbmax=2 |
| 799 |
do 230 i=1,ncum |
| 800 |
icbmax=max(icbmax,icb(i)) |
| 801 |
230 continue |
| 802 |
|
| 803 |
c===================================================================== |
| 804 |
c --- CALCULATE CLOUD BASE MASS FLUX |
| 805 |
c===================================================================== |
| 806 |
c |
| 807 |
c tvpplcl = parcel temperature lifted adiabatically from level |
| 808 |
c icb-1 to the LCL. |
| 809 |
c tvaplcl = virtual temperature at the LCL. |
| 810 |
c |
| 811 |
do 610 i=1,ncum |
| 812 |
dtpbl(i)=0.0 |
| 813 |
tvpplcl(i)=tvp(i,icb(i)-1) |
| 814 |
& -rrd*tvp(i,icb(i)-1)*(p(i,icb(i)-1)-plcl(i)) |
| 815 |
& /(cpn(i,icb(i)-1)*p(i,icb(i)-1)) |
| 816 |
tvaplcl(i)=tv(i,icb(i)) |
| 817 |
& +(tvp(i,icb(i))-tvp(i,icb(i)+1))*(plcl(i)-p(i,icb(i))) |
| 818 |
& /(p(i,icb(i))-p(i,icb(i)+1)) |
| 819 |
610 continue |
| 820 |
|
| 821 |
c------------------------------------------------------------------- |
| 822 |
c --- Interpolate difference between lifted parcel and |
| 823 |
c --- environmental temperatures to lifted condensation level |
| 824 |
c------------------------------------------------------------------- |
| 825 |
c |
| 826 |
c dtpbl = average of tvp-tv in the PBL (k=nk to icb-1). |
| 827 |
c |
| 828 |
do 630 k=minorig,icbmax |
| 829 |
do 620 i=1,ncum |
| 830 |
if((k.ge.nk(i)).and.(k.le.(icb(i)-1)))then |
| 831 |
dtpbl(i)=dtpbl(i)+(tvp(i,k)-tv(i,k))*dph(i,k) |
| 832 |
endif |
| 833 |
620 continue |
| 834 |
630 continue |
| 835 |
do 640 i=1,ncum |
| 836 |
dtpbl(i)=dtpbl(i)/(ph(i,nk(i))-ph(i,icb(i))) |
| 837 |
dtmin(i)=tvpplcl(i)-tvaplcl(i)+dtmax+dtpbl(i) |
| 838 |
640 continue |
| 839 |
c |
| 840 |
c------------------------------------------------------------------- |
| 841 |
c --- Adjust cloud base mass flux |
| 842 |
c------------------------------------------------------------------- |
| 843 |
c |
| 844 |
do 650 i=1,ncum |
| 845 |
work(i)=cbmf(i) |
| 846 |
cbmf(i)=max(0.0,(1.0-damp)*cbmf(i)+0.1*alpha*dtmin(i)) |
| 847 |
if((work(i).eq.0.0).and.(cbmf(i).eq.0.0))then |
| 848 |
iflag(i)=3 |
| 849 |
endif |
| 850 |
650 continue |
| 851 |
|
| 852 |
return |
| 853 |
end |
| 854 |
|
| 855 |
SUBROUTINE cv_mixing(nloc,ncum,nd,icb,nk,inb,inb1 |
| 856 |
: ,ph,t,q,qs,u,v,h,lv,qnk |
| 857 |
: ,hp,tv,tvp,ep,clw,cbmf |
| 858 |
: ,m,ment,qent,uent,vent,nent,sij,elij) |
| 859 |
use cvthermo |
| 860 |
implicit none |
| 861 |
|
| 862 |
include "cvparam.h" |
| 863 |
|
| 864 |
c inputs: |
| 865 |
integer ncum, nd, nloc |
| 866 |
integer icb(nloc), inb(nloc), inb1(nloc), nk(nloc) |
| 867 |
real cbmf(nloc), qnk(nloc) |
| 868 |
real ph(nloc,nd+1) |
| 869 |
real t(nloc,nd), q(nloc,nd), qs(nloc,nd), lv(nloc,nd) |
| 870 |
real u(nloc,nd), v(nloc,nd), h(nloc,nd), hp(nloc,nd) |
| 871 |
real tv(nloc,nd), tvp(nloc,nd), ep(nloc,nd), clw(nloc,nd) |
| 872 |
|
| 873 |
c outputs: |
| 874 |
integer nent(nloc,nd) |
| 875 |
real m(nloc,nd), ment(nloc,nd,nd), qent(nloc,nd,nd) |
| 876 |
real uent(nloc,nd,nd), vent(nloc,nd,nd) |
| 877 |
real sij(nloc,nd,nd), elij(nloc,nd,nd) |
| 878 |
|
| 879 |
c local variables: |
| 880 |
integer i, j, k, ij |
| 881 |
integer num1, num2 |
| 882 |
real dbo, qti, bf2, anum, denom, dei, altem, cwat, stemp |
| 883 |
real alt, qp1, smid, sjmin, sjmax, delp, delm |
| 884 |
real work(nloc), asij(nloc), smin(nloc), scrit(nloc) |
| 885 |
real bsum(nloc,nd) |
| 886 |
logical lwork(nloc) |
| 887 |
|
| 888 |
c===================================================================== |
| 889 |
c --- INITIALIZE VARIOUS ARRAYS USED IN THE COMPUTATIONS |
| 890 |
c===================================================================== |
| 891 |
c |
| 892 |
do 360 i=1,ncum*nlp |
| 893 |
nent(i,1)=0 |
| 894 |
m(i,1)=0.0 |
| 895 |
360 continue |
| 896 |
c |
| 897 |
do 400 k=1,nlp |
| 898 |
do 390 j=1,nlp |
| 899 |
do 385 i=1,ncum |
| 900 |
qent(i,k,j)=q(i,j) |
| 901 |
uent(i,k,j)=u(i,j) |
| 902 |
vent(i,k,j)=v(i,j) |
| 903 |
elij(i,k,j)=0.0 |
| 904 |
ment(i,k,j)=0.0 |
| 905 |
sij(i,k,j)=0.0 |
| 906 |
385 continue |
| 907 |
390 continue |
| 908 |
400 continue |
| 909 |
c |
| 910 |
c------------------------------------------------------------------- |
| 911 |
c --- Calculate rates of mixing, m(i) |
| 912 |
c------------------------------------------------------------------- |
| 913 |
c |
| 914 |
call zilch(work,ncum) |
| 915 |
c |
| 916 |
do 670 j=minorig+1,nl |
| 917 |
do 660 i=1,ncum |
| 918 |
if((j.ge.(icb(i)+1)).and.(j.le.inb(i)))then |
| 919 |
k=min(j,inb1(i)) |
| 920 |
dbo=abs(tv(i,k+1)-tvp(i,k+1)-tv(i,k-1)+tvp(i,k-1)) |
| 921 |
& +entp*0.04*(ph(i,k)-ph(i,k+1)) |
| 922 |
work(i)=work(i)+dbo |
| 923 |
m(i,j)=cbmf(i)*dbo |
| 924 |
endif |
| 925 |
660 continue |
| 926 |
670 continue |
| 927 |
do 690 k=minorig+1,nl |
| 928 |
do 680 i=1,ncum |
| 929 |
if((k.ge.(icb(i)+1)).and.(k.le.inb(i)))then |
| 930 |
m(i,k)=m(i,k)/work(i) |
| 931 |
endif |
| 932 |
680 continue |
| 933 |
690 continue |
| 934 |
c |
| 935 |
c |
| 936 |
c===================================================================== |
| 937 |
c --- CALCULATE ENTRAINED AIR MASS FLUX (ment), TOTAL WATER MIXING |
| 938 |
c --- RATIO (QENT), TOTAL CONDENSED WATER (elij), AND MIXING |
| 939 |
c --- FRACTION (sij) |
| 940 |
c===================================================================== |
| 941 |
c |
| 942 |
c |
| 943 |
do 750 i=minorig+1,nl |
| 944 |
do 710 j=minorig+1,nl |
| 945 |
do 700 ij=1,ncum |
| 946 |
if((i.ge.(icb(ij)+1)).and.(j.ge.icb(ij)) |
| 947 |
& .and.(i.le.inb(ij)).and.(j.le.inb(ij)))then |
| 948 |
qti=qnk(ij)-ep(ij,i)*clw(ij,i) |
| 949 |
bf2=1.+lv(ij,j)*lv(ij,j)*qs(ij,j) |
| 950 |
& /(rrv*t(ij,j)*t(ij,j)*cpd) |
| 951 |
anum=h(ij,j)-hp(ij,i)+(cpv-cpd)*t(ij,j)*(qti-q(ij,j)) |
| 952 |
denom=h(ij,i)-hp(ij,i)+(cpd-cpv)*(q(ij,i)-qti)*t(ij,j) |
| 953 |
dei=denom |
| 954 |
if(abs(dei).lt.0.01)dei=0.01 |
| 955 |
sij(ij,i,j)=anum/dei |
| 956 |
sij(ij,i,i)=1.0 |
| 957 |
altem=sij(ij,i,j)*q(ij,i)+(1.-sij(ij,i,j))*qti-qs(ij,j) |
| 958 |
altem=altem/bf2 |
| 959 |
cwat=clw(ij,j)*(1.-ep(ij,j)) |
| 960 |
stemp=sij(ij,i,j) |
| 961 |
if((stemp.lt.0.0.or.stemp.gt.1.0.or. |
| 962 |
1 altem.gt.cwat).and.j.gt.i)then |
| 963 |
anum=anum-lv(ij,j)*(qti-qs(ij,j)-cwat*bf2) |
| 964 |
denom=denom+lv(ij,j)*(q(ij,i)-qti) |
| 965 |
if(abs(denom).lt.0.01)denom=0.01 |
| 966 |
sij(ij,i,j)=anum/denom |
| 967 |
altem=sij(ij,i,j)*q(ij,i)+(1.-sij(ij,i,j))*qti-qs(ij,j) |
| 968 |
altem=altem-(bf2-1.)*cwat |
| 969 |
endif |
| 970 |
if(sij(ij,i,j).gt.0.0.and.sij(ij,i,j).lt.0.9)then |
| 971 |
qent(ij,i,j)=sij(ij,i,j)*q(ij,i) |
| 972 |
& +(1.-sij(ij,i,j))*qti |
| 973 |
uent(ij,i,j)=sij(ij,i,j)*u(ij,i) |
| 974 |
& +(1.-sij(ij,i,j))*u(ij,nk(ij)) |
| 975 |
vent(ij,i,j)=sij(ij,i,j)*v(ij,i) |
| 976 |
& +(1.-sij(ij,i,j))*v(ij,nk(ij)) |
| 977 |
elij(ij,i,j)=altem |
| 978 |
elij(ij,i,j)=max(0.0,elij(ij,i,j)) |
| 979 |
ment(ij,i,j)=m(ij,i)/(1.-sij(ij,i,j)) |
| 980 |
nent(ij,i)=nent(ij,i)+1 |
| 981 |
endif |
| 982 |
sij(ij,i,j)=max(0.0,sij(ij,i,j)) |
| 983 |
sij(ij,i,j)=min(1.0,sij(ij,i,j)) |
| 984 |
endif |
| 985 |
700 continue |
| 986 |
710 continue |
| 987 |
c |
| 988 |
c *** If no air can entrain at level i assume that updraft detrains *** |
| 989 |
c *** at that level and calculate detrained air flux and properties *** |
| 990 |
c |
| 991 |
do 740 ij=1,ncum |
| 992 |
if((i.ge.(icb(ij)+1)).and.(i.le.inb(ij)) |
| 993 |
& .and.(nent(ij,i).eq.0))then |
| 994 |
ment(ij,i,i)=m(ij,i) |
| 995 |
qent(ij,i,i)=q(ij,nk(ij))-ep(ij,i)*clw(ij,i) |
| 996 |
uent(ij,i,i)=u(ij,nk(ij)) |
| 997 |
vent(ij,i,i)=v(ij,nk(ij)) |
| 998 |
elij(ij,i,i)=clw(ij,i) |
| 999 |
sij(ij,i,i)=1.0 |
| 1000 |
endif |
| 1001 |
740 continue |
| 1002 |
750 continue |
| 1003 |
c |
| 1004 |
do 770 i=1,ncum |
| 1005 |
sij(i,inb(i),inb(i))=1.0 |
| 1006 |
770 continue |
| 1007 |
c |
| 1008 |
c===================================================================== |
| 1009 |
c --- NORMALIZE ENTRAINED AIR MASS FLUXES |
| 1010 |
c --- TO REPRESENT EQUAL PROBABILITIES OF MIXING |
| 1011 |
c===================================================================== |
| 1012 |
c |
| 1013 |
call zilch(bsum,ncum*nlp) |
| 1014 |
do 780 ij=1,ncum |
| 1015 |
lwork(ij)=.false. |
| 1016 |
780 continue |
| 1017 |
do 789 i=minorig+1,nl |
| 1018 |
c |
| 1019 |
num1=0 |
| 1020 |
do 779 ij=1,ncum |
| 1021 |
if((i.ge.icb(ij)+1).and.(i.le.inb(ij)))num1=num1+1 |
| 1022 |
779 continue |
| 1023 |
if(num1.le.0)go to 789 |
| 1024 |
c |
| 1025 |
do 781 ij=1,ncum |
| 1026 |
if((i.ge.icb(ij)+1).and.(i.le.inb(ij)))then |
| 1027 |
lwork(ij)=(nent(ij,i).ne.0) |
| 1028 |
qp1=q(ij,nk(ij))-ep(ij,i)*clw(ij,i) |
| 1029 |
anum=h(ij,i)-hp(ij,i)-lv(ij,i)*(qp1-qs(ij,i)) |
| 1030 |
denom=h(ij,i)-hp(ij,i)+lv(ij,i)*(q(ij,i)-qp1) |
| 1031 |
if(abs(denom).lt.0.01)denom=0.01 |
| 1032 |
scrit(ij)=anum/denom |
| 1033 |
alt=qp1-qs(ij,i)+scrit(ij)*(q(ij,i)-qp1) |
| 1034 |
if(scrit(ij).lt.0.0.or.alt.lt.0.0)scrit(ij)=1.0 |
| 1035 |
asij(ij)=0.0 |
| 1036 |
smin(ij)=1.0 |
| 1037 |
endif |
| 1038 |
781 continue |
| 1039 |
do 783 j=minorig,nl |
| 1040 |
c |
| 1041 |
num2=0 |
| 1042 |
do 778 ij=1,ncum |
| 1043 |
if((i.ge.icb(ij)+1).and.(i.le.inb(ij)) |
| 1044 |
& .and.(j.ge.icb(ij)).and.(j.le.inb(ij)) |
| 1045 |
& .and.lwork(ij))num2=num2+1 |
| 1046 |
778 continue |
| 1047 |
if(num2.le.0)go to 783 |
| 1048 |
c |
| 1049 |
do 782 ij=1,ncum |
| 1050 |
if((i.ge.icb(ij)+1).and.(i.le.inb(ij)) |
| 1051 |
& .and.(j.ge.icb(ij)).and.(j.le.inb(ij)).and.lwork(ij))then |
| 1052 |
if(sij(ij,i,j).gt.0.0.and.sij(ij,i,j).lt.0.9)then |
| 1053 |
if(j.gt.i)then |
| 1054 |
smid=min(sij(ij,i,j),scrit(ij)) |
| 1055 |
sjmax=smid |
| 1056 |
sjmin=smid |
| 1057 |
if(smid.lt.smin(ij) |
| 1058 |
& .and.sij(ij,i,j+1).lt.smid)then |
| 1059 |
smin(ij)=smid |
| 1060 |
sjmax=min(sij(ij,i,j+1),sij(ij,i,j),scrit(ij)) |
| 1061 |
sjmin=max(sij(ij,i,j-1),sij(ij,i,j)) |
| 1062 |
sjmin=min(sjmin,scrit(ij)) |
| 1063 |
endif |
| 1064 |
else |
| 1065 |
sjmax=max(sij(ij,i,j+1),scrit(ij)) |
| 1066 |
smid=max(sij(ij,i,j),scrit(ij)) |
| 1067 |
sjmin=0.0 |
| 1068 |
if(j.gt.1)sjmin=sij(ij,i,j-1) |
| 1069 |
sjmin=max(sjmin,scrit(ij)) |
| 1070 |
endif |
| 1071 |
delp=abs(sjmax-smid) |
| 1072 |
delm=abs(sjmin-smid) |
| 1073 |
asij(ij)=asij(ij)+(delp+delm) |
| 1074 |
& *(ph(ij,j)-ph(ij,j+1)) |
| 1075 |
ment(ij,i,j)=ment(ij,i,j)*(delp+delm) |
| 1076 |
& *(ph(ij,j)-ph(ij,j+1)) |
| 1077 |
endif |
| 1078 |
endif |
| 1079 |
782 continue |
| 1080 |
783 continue |
| 1081 |
do 784 ij=1,ncum |
| 1082 |
if((i.ge.icb(ij)+1).and.(i.le.inb(ij)).and.lwork(ij))then |
| 1083 |
asij(ij)=max(1.0e-21,asij(ij)) |
| 1084 |
asij(ij)=1.0/asij(ij) |
| 1085 |
bsum(ij,i)=0.0 |
| 1086 |
endif |
| 1087 |
784 continue |
| 1088 |
do 786 j=minorig,nl+1 |
| 1089 |
do 785 ij=1,ncum |
| 1090 |
if((i.ge.icb(ij)+1).and.(i.le.inb(ij)) |
| 1091 |
& .and.(j.ge.icb(ij)).and.(j.le.inb(ij)) |
| 1092 |
& .and.lwork(ij))then |
| 1093 |
ment(ij,i,j)=ment(ij,i,j)*asij(ij) |
| 1094 |
bsum(ij,i)=bsum(ij,i)+ment(ij,i,j) |
| 1095 |
endif |
| 1096 |
785 continue |
| 1097 |
786 continue |
| 1098 |
do 787 ij=1,ncum |
| 1099 |
if((i.ge.icb(ij)+1).and.(i.le.inb(ij)) |
| 1100 |
& .and.(bsum(ij,i).lt.1.0e-18).and.lwork(ij))then |
| 1101 |
nent(ij,i)=0 |
| 1102 |
ment(ij,i,i)=m(ij,i) |
| 1103 |
qent(ij,i,i)=q(ij,nk(ij))-ep(ij,i)*clw(ij,i) |
| 1104 |
uent(ij,i,i)=u(ij,nk(ij)) |
| 1105 |
vent(ij,i,i)=v(ij,nk(ij)) |
| 1106 |
elij(ij,i,i)=clw(ij,i) |
| 1107 |
sij(ij,i,i)=1.0 |
| 1108 |
endif |
| 1109 |
787 continue |
| 1110 |
789 continue |
| 1111 |
c |
| 1112 |
return |
| 1113 |
end |
| 1114 |
|
| 1115 |
SUBROUTINE cv_unsat(nloc,ncum,nd,inb,t,q,qs,gz,u,v,p,ph |
| 1116 |
: ,h,lv,ep,sigp,clw,m,ment,elij |
| 1117 |
: ,iflag,mp,qp,up,vp,wt,water,evap) |
| 1118 |
use cvthermo |
| 1119 |
implicit none |
| 1120 |
|
| 1121 |
|
| 1122 |
include "cvparam.h" |
| 1123 |
|
| 1124 |
c inputs: |
| 1125 |
integer ncum, nd, nloc |
| 1126 |
integer inb(nloc) |
| 1127 |
real t(nloc,nd), q(nloc,nd), qs(nloc,nd) |
| 1128 |
real gz(nloc,nd), u(nloc,nd), v(nloc,nd) |
| 1129 |
real p(nloc,nd), ph(nloc,nd+1), h(nloc,nd) |
| 1130 |
real lv(nloc,nd), ep(nloc,nd), sigp(nloc,nd), clw(nloc,nd) |
| 1131 |
real m(nloc,nd), ment(nloc,nd,nd), elij(nloc,nd,nd) |
| 1132 |
|
| 1133 |
c outputs: |
| 1134 |
integer iflag(nloc) ! also an input |
| 1135 |
real mp(nloc,nd), qp(nloc,nd), up(nloc,nd), vp(nloc,nd) |
| 1136 |
real water(nloc,nd), evap(nloc,nd), wt(nloc,nd) |
| 1137 |
|
| 1138 |
c local variables: |
| 1139 |
integer i,j,k,ij,num1 |
| 1140 |
integer jtt(nloc) |
| 1141 |
real awat, coeff, qsm, afac, sigt, b6, c6, revap |
| 1142 |
real dhdp, fac, qstm, rat |
| 1143 |
real wdtrain(nloc) |
| 1144 |
logical lwork(nloc) |
| 1145 |
|
| 1146 |
c===================================================================== |
| 1147 |
c --- PRECIPITATING DOWNDRAFT CALCULATION |
| 1148 |
c===================================================================== |
| 1149 |
c |
| 1150 |
c Initializations: |
| 1151 |
c |
| 1152 |
do i = 1, ncum |
| 1153 |
do k = 1, nl+1 |
| 1154 |
wt(i,k) = omtsnow |
| 1155 |
mp(i,k) = 0.0 |
| 1156 |
evap(i,k) = 0.0 |
| 1157 |
water(i,k) = 0.0 |
| 1158 |
enddo |
| 1159 |
enddo |
| 1160 |
|
| 1161 |
do 420 i=1,ncum |
| 1162 |
qp(i,1)=q(i,1) |
| 1163 |
up(i,1)=u(i,1) |
| 1164 |
vp(i,1)=v(i,1) |
| 1165 |
420 continue |
| 1166 |
|
| 1167 |
do 440 k=2,nl+1 |
| 1168 |
do 430 i=1,ncum |
| 1169 |
qp(i,k)=q(i,k-1) |
| 1170 |
up(i,k)=u(i,k-1) |
| 1171 |
vp(i,k)=v(i,k-1) |
| 1172 |
430 continue |
| 1173 |
440 continue |
| 1174 |
|
| 1175 |
|
| 1176 |
c *** Check whether ep(inb)=0, if so, skip precipitating *** |
| 1177 |
c *** downdraft calculation *** |
| 1178 |
c |
| 1179 |
c |
| 1180 |
c *** Integrate liquid water equation to find condensed water *** |
| 1181 |
c *** and condensed water flux *** |
| 1182 |
c |
| 1183 |
c |
| 1184 |
do 890 i=1,ncum |
| 1185 |
jtt(i)=2 |
| 1186 |
if(ep(i,inb(i)).le.0.0001)iflag(i)=2 |
| 1187 |
if(iflag(i).eq.0)then |
| 1188 |
lwork(i)=.true. |
| 1189 |
else |
| 1190 |
lwork(i)=.false. |
| 1191 |
endif |
| 1192 |
890 continue |
| 1193 |
c |
| 1194 |
c *** Begin downdraft loop *** |
| 1195 |
c |
| 1196 |
c |
| 1197 |
call zilch(wdtrain,ncum) |
| 1198 |
do 899 i=nl+1,1,-1 |
| 1199 |
c |
| 1200 |
num1=0 |
| 1201 |
do 879 ij=1,ncum |
| 1202 |
if((i.le.inb(ij)).and.lwork(ij))num1=num1+1 |
| 1203 |
879 continue |
| 1204 |
if(num1.le.0)go to 899 |
| 1205 |
c |
| 1206 |
c |
| 1207 |
c *** Calculate detrained precipitation *** |
| 1208 |
c |
| 1209 |
do 891 ij=1,ncum |
| 1210 |
if((i.le.inb(ij)).and.(lwork(ij)))then |
| 1211 |
wdtrain(ij)=g*ep(ij,i)*m(ij,i)*clw(ij,i) |
| 1212 |
endif |
| 1213 |
891 continue |
| 1214 |
c |
| 1215 |
if(i.gt.1)then |
| 1216 |
do 893 j=1,i-1 |
| 1217 |
do 892 ij=1,ncum |
| 1218 |
if((i.le.inb(ij)).and.(lwork(ij)))then |
| 1219 |
awat=elij(ij,j,i)-(1.-ep(ij,i))*clw(ij,i) |
| 1220 |
awat=max(0.0,awat) |
| 1221 |
wdtrain(ij)=wdtrain(ij)+g*awat*ment(ij,j,i) |
| 1222 |
endif |
| 1223 |
892 continue |
| 1224 |
893 continue |
| 1225 |
endif |
| 1226 |
c |
| 1227 |
c *** Find rain water and evaporation using provisional *** |
| 1228 |
c *** estimates of qp(i)and qp(i-1) *** |
| 1229 |
c |
| 1230 |
c |
| 1231 |
c *** Value of terminal velocity and coeffecient of evaporation for snow *** |
| 1232 |
c |
| 1233 |
do 894 ij=1,ncum |
| 1234 |
if((i.le.inb(ij)).and.(lwork(ij)))then |
| 1235 |
coeff=coeffs |
| 1236 |
wt(ij,i)=omtsnow |
| 1237 |
c |
| 1238 |
c *** Value of terminal velocity and coeffecient of evaporation for rain *** |
| 1239 |
c |
| 1240 |
if(t(ij,i).gt.273.0)then |
| 1241 |
coeff=coeffr |
| 1242 |
wt(ij,i)=omtrain |
| 1243 |
endif |
| 1244 |
qsm=0.5*(q(ij,i)+qp(ij,i+1)) |
| 1245 |
afac=coeff*ph(ij,i)*(qs(ij,i)-qsm) |
| 1246 |
& /(1.0e4+2.0e3*ph(ij,i)*qs(ij,i)) |
| 1247 |
afac=max(afac,0.0) |
| 1248 |
sigt=sigp(ij,i) |
| 1249 |
sigt=max(0.0,sigt) |
| 1250 |
sigt=min(1.0,sigt) |
| 1251 |
b6=100.*(ph(ij,i)-ph(ij,i+1))*sigt*afac/wt(ij,i) |
| 1252 |
c6=(water(ij,i+1)*wt(ij,i+1)+wdtrain(ij)/sigd)/wt(ij,i) |
| 1253 |
revap=0.5*(-b6+sqrt(b6*b6+4.*c6)) |
| 1254 |
evap(ij,i)=sigt*afac*revap |
| 1255 |
water(ij,i)=revap*revap |
| 1256 |
c |
| 1257 |
c *** Calculate precipitating downdraft mass flux under *** |
| 1258 |
c *** hydrostatic approximation *** |
| 1259 |
c |
| 1260 |
if(i.gt.1)then |
| 1261 |
dhdp=(h(ij,i)-h(ij,i-1))/(p(ij,i-1)-p(ij,i)) |
| 1262 |
dhdp=max(dhdp,10.0) |
| 1263 |
mp(ij,i)=100.*ginv*lv(ij,i)*sigd*evap(ij,i)/dhdp |
| 1264 |
mp(ij,i)=max(mp(ij,i),0.0) |
| 1265 |
c |
| 1266 |
c *** Add small amount of inertia to downdraft *** |
| 1267 |
c |
| 1268 |
fac=20.0/(ph(ij,i-1)-ph(ij,i)) |
| 1269 |
mp(ij,i)=(fac*mp(ij,i+1)+mp(ij,i))/(1.+fac) |
| 1270 |
c |
| 1271 |
c *** Force mp to decrease linearly to zero *** |
| 1272 |
c *** between about 950 mb and the surface *** |
| 1273 |
c |
| 1274 |
if(p(ij,i).gt.(0.949*p(ij,1)))then |
| 1275 |
jtt(ij)=max(jtt(ij),i) |
| 1276 |
mp(ij,i)=mp(ij,jtt(ij))*(p(ij,1)-p(ij,i)) |
| 1277 |
& /(p(ij,1)-p(ij,jtt(ij))) |
| 1278 |
endif |
| 1279 |
endif |
| 1280 |
c |
| 1281 |
c *** Find mixing ratio of precipitating downdraft *** |
| 1282 |
c |
| 1283 |
if(i.ne.inb(ij))then |
| 1284 |
if(i.eq.1)then |
| 1285 |
qstm=qs(ij,1) |
| 1286 |
else |
| 1287 |
qstm=qs(ij,i-1) |
| 1288 |
endif |
| 1289 |
if(mp(ij,i).gt.mp(ij,i+1))then |
| 1290 |
rat=mp(ij,i+1)/mp(ij,i) |
| 1291 |
qp(ij,i)=qp(ij,i+1)*rat+q(ij,i)*(1.0-rat)+100.*ginv* |
| 1292 |
& sigd*(ph(ij,i)-ph(ij,i+1))*(evap(ij,i)/mp(ij,i)) |
| 1293 |
up(ij,i)=up(ij,i+1)*rat+u(ij,i)*(1.-rat) |
| 1294 |
vp(ij,i)=vp(ij,i+1)*rat+v(ij,i)*(1.-rat) |
| 1295 |
else |
| 1296 |
if(mp(ij,i+1).gt.0.0)then |
| 1297 |
qp(ij,i)=(gz(ij,i+1)-gz(ij,i) |
| 1298 |
& +qp(ij,i+1)*(lv(ij,i+1)+t(ij,i+1) |
| 1299 |
& *(cl-cpd))+cpd*(t(ij,i+1)-t(ij,i))) |
| 1300 |
& /(lv(ij,i)+t(ij,i)*(cl-cpd)) |
| 1301 |
up(ij,i)=up(ij,i+1) |
| 1302 |
vp(ij,i)=vp(ij,i+1) |
| 1303 |
endif |
| 1304 |
endif |
| 1305 |
qp(ij,i)=min(qp(ij,i),qstm) |
| 1306 |
qp(ij,i)=max(qp(ij,i),0.0) |
| 1307 |
endif |
| 1308 |
endif |
| 1309 |
894 continue |
| 1310 |
899 continue |
| 1311 |
c |
| 1312 |
return |
| 1313 |
end |
| 1314 |
|
| 1315 |
SUBROUTINE cv_yield(nloc,ncum,nd,nk,icb,inb,delt |
| 1316 |
: ,t,q,u,v,gz,p,ph,h,hp,lv,cpn |
| 1317 |
: ,ep,clw,frac,m,mp,qp,up,vp |
| 1318 |
: ,wt,water,evap |
| 1319 |
: ,ment,qent,uent,vent,nent,elij |
| 1320 |
: ,tv,tvp |
| 1321 |
o ,iflag,wd,qprime,tprime |
| 1322 |
o ,precip,cbmf,ft,fq,fu,fv,Ma,qcondc) |
| 1323 |
use cvthermo |
| 1324 |
implicit none |
| 1325 |
|
| 1326 |
include "cvparam.h" |
| 1327 |
|
| 1328 |
c inputs |
| 1329 |
integer ncum, nd, nloc |
| 1330 |
integer nk(nloc), icb(nloc), inb(nloc) |
| 1331 |
integer nent(nloc,nd) |
| 1332 |
real, intent(in):: delt |
| 1333 |
real t(nloc,nd), q(nloc,nd), u(nloc,nd), v(nloc,nd) |
| 1334 |
real gz(nloc,nd) |
| 1335 |
real p(nloc,nd), ph(nloc,nd+1), h(nloc,nd) |
| 1336 |
real hp(nloc,nd), lv(nloc,nd) |
| 1337 |
real cpn(nloc,nd), ep(nloc,nd), clw(nloc,nd), frac(nloc) |
| 1338 |
real m(nloc,nd), mp(nloc,nd), qp(nloc,nd) |
| 1339 |
real up(nloc,nd), vp(nloc,nd) |
| 1340 |
real wt(nloc,nd), water(nloc,nd), evap(nloc,nd) |
| 1341 |
real ment(nloc,nd,nd), qent(nloc,nd,nd), elij(nloc,nd,nd) |
| 1342 |
real uent(nloc,nd,nd), vent(nloc,nd,nd) |
| 1343 |
real tv(nloc,nd), tvp(nloc,nd) |
| 1344 |
|
| 1345 |
c outputs |
| 1346 |
integer iflag(nloc) ! also an input |
| 1347 |
real cbmf(nloc) ! also an input |
| 1348 |
real wd(nloc), tprime(nloc), qprime(nloc) |
| 1349 |
real precip(nloc) |
| 1350 |
real ft(nloc,nd), fq(nloc,nd), fu(nloc,nd), fv(nloc,nd) |
| 1351 |
real Ma(nloc,nd) |
| 1352 |
real qcondc(nloc,nd) |
| 1353 |
|
| 1354 |
c local variables |
| 1355 |
integer i,j,ij,k,num1 |
| 1356 |
real dpinv,cpinv,awat,fqold,ftold,fuold,fvold,delti |
| 1357 |
real work(nloc), am(nloc),amp1(nloc),ad(nloc) |
| 1358 |
real ents(nloc), uav(nloc),vav(nloc),lvcp(nloc,nd) |
| 1359 |
real qcond(nloc,nd), nqcond(nloc,nd), wa(nloc,nd) ! cld |
| 1360 |
real siga(nloc,nd), ax(nloc,nd), mac(nloc,nd) ! cld |
| 1361 |
|
| 1362 |
|
| 1363 |
c -- initializations: |
| 1364 |
|
| 1365 |
delti = 1.0/delt |
| 1366 |
|
| 1367 |
do 160 i=1,ncum |
| 1368 |
precip(i)=0.0 |
| 1369 |
wd(i)=0.0 |
| 1370 |
tprime(i)=0.0 |
| 1371 |
qprime(i)=0.0 |
| 1372 |
do 170 k=1,nl+1 |
| 1373 |
ft(i,k)=0.0 |
| 1374 |
fu(i,k)=0.0 |
| 1375 |
fv(i,k)=0.0 |
| 1376 |
fq(i,k)=0.0 |
| 1377 |
lvcp(i,k)=lv(i,k)/cpn(i,k) |
| 1378 |
qcondc(i,k)=0.0 ! cld |
| 1379 |
qcond(i,k)=0.0 ! cld |
| 1380 |
nqcond(i,k)=0.0 ! cld |
| 1381 |
170 continue |
| 1382 |
160 continue |
| 1383 |
|
| 1384 |
c |
| 1385 |
c *** Calculate surface precipitation in mm/day *** |
| 1386 |
c |
| 1387 |
do 1190 i=1,ncum |
| 1388 |
if(iflag(i).le.1)then |
| 1389 |
precip(i) = wt(i,1)*sigd*water(i,1)*86400/g |
| 1390 |
endif |
| 1391 |
1190 continue |
| 1392 |
c |
| 1393 |
c |
| 1394 |
c *** Calculate downdraft velocity scale and surface temperature and *** |
| 1395 |
c *** water vapor fluctuations *** |
| 1396 |
c |
| 1397 |
do i=1,ncum |
| 1398 |
wd(i)=betad*abs(mp(i,icb(i)))*0.01*rrd*t(i,icb(i)) |
| 1399 |
: /(sigd*p(i,icb(i))) |
| 1400 |
qprime(i)=0.5*(qp(i,1)-q(i,1)) |
| 1401 |
tprime(i)=lv0*qprime(i)/cpd |
| 1402 |
enddo |
| 1403 |
c |
| 1404 |
c *** Calculate tendencies of lowest level potential temperature *** |
| 1405 |
c *** and mixing ratio *** |
| 1406 |
c |
| 1407 |
do 1200 i=1,ncum |
| 1408 |
work(i)=0.01/(ph(i,1)-ph(i,2)) |
| 1409 |
am(i)=0.0 |
| 1410 |
1200 continue |
| 1411 |
do 1220 k=2,nl |
| 1412 |
do 1210 i=1,ncum |
| 1413 |
if((nk(i).eq.1).and.(k.le.inb(i)).and.(nk(i).eq.1))then |
| 1414 |
am(i)=am(i)+m(i,k) |
| 1415 |
endif |
| 1416 |
1210 continue |
| 1417 |
1220 continue |
| 1418 |
do 1240 i=1,ncum |
| 1419 |
if((g*work(i)*am(i)).ge.delti)iflag(i)=1 |
| 1420 |
ft(i,1)=ft(i,1)+g*work(i)*am(i)*(t(i,2)-t(i,1) |
| 1421 |
& +(gz(i,2)-gz(i,1))/cpn(i,1)) |
| 1422 |
ft(i,1)=ft(i,1)-lvcp(i,1)*sigd*evap(i,1) |
| 1423 |
ft(i,1)=ft(i,1)+sigd*wt(i,2)*(cl-cpd)*water(i,2)*(t(i,2) |
| 1424 |
& -t(i,1))*work(i)/cpn(i,1) |
| 1425 |
fq(i,1)=fq(i,1)+g*mp(i,2)*(qp(i,2)-q(i,1))* |
| 1426 |
& work(i)+sigd*evap(i,1) |
| 1427 |
fq(i,1)=fq(i,1)+g*am(i)*(q(i,2)-q(i,1))*work(i) |
| 1428 |
fu(i,1)=fu(i,1)+g*work(i)*(mp(i,2)*(up(i,2)-u(i,1)) |
| 1429 |
& +am(i)*(u(i,2)-u(i,1))) |
| 1430 |
fv(i,1)=fv(i,1)+g*work(i)*(mp(i,2)*(vp(i,2)-v(i,1)) |
| 1431 |
& +am(i)*(v(i,2)-v(i,1))) |
| 1432 |
1240 continue |
| 1433 |
do 1260 j=2,nl |
| 1434 |
do 1250 i=1,ncum |
| 1435 |
if(j.le.inb(i))then |
| 1436 |
fq(i,1)=fq(i,1) |
| 1437 |
& +g*work(i)*ment(i,j,1)*(qent(i,j,1)-q(i,1)) |
| 1438 |
fu(i,1)=fu(i,1) |
| 1439 |
& +g*work(i)*ment(i,j,1)*(uent(i,j,1)-u(i,1)) |
| 1440 |
fv(i,1)=fv(i,1) |
| 1441 |
& +g*work(i)*ment(i,j,1)*(vent(i,j,1)-v(i,1)) |
| 1442 |
endif |
| 1443 |
1250 continue |
| 1444 |
1260 continue |
| 1445 |
c |
| 1446 |
c *** Calculate tendencies of potential temperature and mixing ratio *** |
| 1447 |
c *** at levels above the lowest level *** |
| 1448 |
c |
| 1449 |
c *** First find the net saturated updraft and downdraft mass fluxes *** |
| 1450 |
c *** through each level *** |
| 1451 |
c |
| 1452 |
do 1500 i=2,nl+1 |
| 1453 |
c |
| 1454 |
num1=0 |
| 1455 |
do 1265 ij=1,ncum |
| 1456 |
if(i.le.inb(ij))num1=num1+1 |
| 1457 |
1265 continue |
| 1458 |
if(num1.le.0)go to 1500 |
| 1459 |
c |
| 1460 |
call zilch(amp1,ncum) |
| 1461 |
call zilch(ad,ncum) |
| 1462 |
c |
| 1463 |
do 1280 k=i+1,nl+1 |
| 1464 |
do 1270 ij=1,ncum |
| 1465 |
if((i.ge.nk(ij)).and.(i.le.inb(ij)) |
| 1466 |
& .and.(k.le.(inb(ij)+1)))then |
| 1467 |
amp1(ij)=amp1(ij)+m(ij,k) |
| 1468 |
endif |
| 1469 |
1270 continue |
| 1470 |
1280 continue |
| 1471 |
c |
| 1472 |
do 1310 k=1,i |
| 1473 |
do 1300 j=i+1,nl+1 |
| 1474 |
do 1290 ij=1,ncum |
| 1475 |
if((j.le.(inb(ij)+1)).and.(i.le.inb(ij)))then |
| 1476 |
amp1(ij)=amp1(ij)+ment(ij,k,j) |
| 1477 |
endif |
| 1478 |
1290 continue |
| 1479 |
1300 continue |
| 1480 |
1310 continue |
| 1481 |
do 1340 k=1,i-1 |
| 1482 |
do 1330 j=i,nl+1 |
| 1483 |
do 1320 ij=1,ncum |
| 1484 |
if((i.le.inb(ij)).and.(j.le.inb(ij)))then |
| 1485 |
ad(ij)=ad(ij)+ment(ij,j,k) |
| 1486 |
endif |
| 1487 |
1320 continue |
| 1488 |
1330 continue |
| 1489 |
1340 continue |
| 1490 |
c |
| 1491 |
do 1350 ij=1,ncum |
| 1492 |
if(i.le.inb(ij))then |
| 1493 |
dpinv=0.01/(ph(ij,i)-ph(ij,i+1)) |
| 1494 |
cpinv=1.0/cpn(ij,i) |
| 1495 |
c |
| 1496 |
ft(ij,i)=ft(ij,i) |
| 1497 |
& +g*dpinv*(amp1(ij)*(t(ij,i+1)-t(ij,i) |
| 1498 |
& +(gz(ij,i+1)-gz(ij,i))*cpinv) |
| 1499 |
& -ad(ij)*(t(ij,i)-t(ij,i-1)+(gz(ij,i)-gz(ij,i-1))*cpinv)) |
| 1500 |
& -sigd*lvcp(ij,i)*evap(ij,i) |
| 1501 |
ft(ij,i)=ft(ij,i)+g*dpinv*ment(ij,i,i)*(hp(ij,i)-h(ij,i)+ |
| 1502 |
& t(ij,i)*(cpv-cpd)*(q(ij,i)-qent(ij,i,i)))*cpinv |
| 1503 |
ft(ij,i)=ft(ij,i)+sigd*wt(ij,i+1)*(cl-cpd)*water(ij,i+1)* |
| 1504 |
& (t(ij,i+1)-t(ij,i))*dpinv*cpinv |
| 1505 |
fq(ij,i)=fq(ij,i)+g*dpinv*(amp1(ij)*(q(ij,i+1)-q(ij,i))- |
| 1506 |
& ad(ij)*(q(ij,i)-q(ij,i-1))) |
| 1507 |
fu(ij,i)=fu(ij,i)+g*dpinv*(amp1(ij)*(u(ij,i+1)-u(ij,i))- |
| 1508 |
& ad(ij)*(u(ij,i)-u(ij,i-1))) |
| 1509 |
fv(ij,i)=fv(ij,i)+g*dpinv*(amp1(ij)*(v(ij,i+1)-v(ij,i))- |
| 1510 |
& ad(ij)*(v(ij,i)-v(ij,i-1))) |
| 1511 |
endif |
| 1512 |
1350 continue |
| 1513 |
do 1370 k=1,i-1 |
| 1514 |
do 1360 ij=1,ncum |
| 1515 |
if(i.le.inb(ij))then |
| 1516 |
awat=elij(ij,k,i)-(1.-ep(ij,i))*clw(ij,i) |
| 1517 |
awat=max(awat,0.0) |
| 1518 |
fq(ij,i)=fq(ij,i) |
| 1519 |
& +g*dpinv*ment(ij,k,i)*(qent(ij,k,i)-awat-q(ij,i)) |
| 1520 |
fu(ij,i)=fu(ij,i) |
| 1521 |
& +g*dpinv*ment(ij,k,i)*(uent(ij,k,i)-u(ij,i)) |
| 1522 |
fv(ij,i)=fv(ij,i) |
| 1523 |
& +g*dpinv*ment(ij,k,i)*(vent(ij,k,i)-v(ij,i)) |
| 1524 |
c (saturated updrafts resulting from mixing) ! cld |
| 1525 |
qcond(ij,i)=qcond(ij,i)+(elij(ij,k,i)-awat) ! cld |
| 1526 |
nqcond(ij,i)=nqcond(ij,i)+1. ! cld |
| 1527 |
endif |
| 1528 |
1360 continue |
| 1529 |
1370 continue |
| 1530 |
do 1390 k=i,nl+1 |
| 1531 |
do 1380 ij=1,ncum |
| 1532 |
if((i.le.inb(ij)).and.(k.le.inb(ij)))then |
| 1533 |
fq(ij,i)=fq(ij,i) |
| 1534 |
& +g*dpinv*ment(ij,k,i)*(qent(ij,k,i)-q(ij,i)) |
| 1535 |
fu(ij,i)=fu(ij,i) |
| 1536 |
& +g*dpinv*ment(ij,k,i)*(uent(ij,k,i)-u(ij,i)) |
| 1537 |
fv(ij,i)=fv(ij,i) |
| 1538 |
& +g*dpinv*ment(ij,k,i)*(vent(ij,k,i)-v(ij,i)) |
| 1539 |
endif |
| 1540 |
1380 continue |
| 1541 |
1390 continue |
| 1542 |
do 1400 ij=1,ncum |
| 1543 |
if(i.le.inb(ij))then |
| 1544 |
fq(ij,i)=fq(ij,i) |
| 1545 |
& +sigd*evap(ij,i)+g*(mp(ij,i+1)* |
| 1546 |
& (qp(ij,i+1)-q(ij,i)) |
| 1547 |
& -mp(ij,i)*(qp(ij,i)-q(ij,i-1)))*dpinv |
| 1548 |
fu(ij,i)=fu(ij,i) |
| 1549 |
& +g*(mp(ij,i+1)*(up(ij,i+1)-u(ij,i))-mp(ij,i)* |
| 1550 |
& (up(ij,i)-u(ij,i-1)))*dpinv |
| 1551 |
fv(ij,i)=fv(ij,i) |
| 1552 |
& +g*(mp(ij,i+1)*(vp(ij,i+1)-v(ij,i))-mp(ij,i)* |
| 1553 |
& (vp(ij,i)-v(ij,i-1)))*dpinv |
| 1554 |
C (saturated downdrafts resulting from mixing) ! cld |
| 1555 |
do k=i+1,inb(ij) ! cld |
| 1556 |
qcond(ij,i)=qcond(ij,i)+elij(ij,k,i) ! cld |
| 1557 |
nqcond(ij,i)=nqcond(ij,i)+1. ! cld |
| 1558 |
enddo ! cld |
| 1559 |
C (particular case: no detraining level is found) ! cld |
| 1560 |
if (nent(ij,i).eq.0) then ! cld |
| 1561 |
qcond(ij,i)=qcond(ij,i)+(1.-ep(ij,i))*clw(ij,i) ! cld |
| 1562 |
nqcond(ij,i)=nqcond(ij,i)+1. ! cld |
| 1563 |
endif ! cld |
| 1564 |
if (nqcond(ij,i).ne.0.) then ! cld |
| 1565 |
qcond(ij,i)=qcond(ij,i)/nqcond(ij,i) ! cld |
| 1566 |
endif ! cld |
| 1567 |
endif |
| 1568 |
1400 continue |
| 1569 |
1500 continue |
| 1570 |
c |
| 1571 |
c *** Adjust tendencies at top of convection layer to reflect *** |
| 1572 |
c *** actual position of the level zero cape *** |
| 1573 |
c |
| 1574 |
do 503 ij=1,ncum |
| 1575 |
fqold=fq(ij,inb(ij)) |
| 1576 |
fq(ij,inb(ij))=fq(ij,inb(ij))*(1.-frac(ij)) |
| 1577 |
fq(ij,inb(ij)-1)=fq(ij,inb(ij)-1) |
| 1578 |
& +frac(ij)*fqold*((ph(ij,inb(ij))-ph(ij,inb(ij)+1))/ |
| 1579 |
1 (ph(ij,inb(ij)-1)-ph(ij,inb(ij))))*lv(ij,inb(ij)) |
| 1580 |
& /lv(ij,inb(ij)-1) |
| 1581 |
ftold=ft(ij,inb(ij)) |
| 1582 |
ft(ij,inb(ij))=ft(ij,inb(ij))*(1.-frac(ij)) |
| 1583 |
ft(ij,inb(ij)-1)=ft(ij,inb(ij)-1) |
| 1584 |
& +frac(ij)*ftold*((ph(ij,inb(ij))-ph(ij,inb(ij)+1))/ |
| 1585 |
1 (ph(ij,inb(ij)-1)-ph(ij,inb(ij))))*cpn(ij,inb(ij)) |
| 1586 |
& /cpn(ij,inb(ij)-1) |
| 1587 |
fuold=fu(ij,inb(ij)) |
| 1588 |
fu(ij,inb(ij))=fu(ij,inb(ij))*(1.-frac(ij)) |
| 1589 |
fu(ij,inb(ij)-1)=fu(ij,inb(ij)-1) |
| 1590 |
& +frac(ij)*fuold*((ph(ij,inb(ij))-ph(ij,inb(ij)+1))/ |
| 1591 |
1 (ph(ij,inb(ij)-1)-ph(ij,inb(ij)))) |
| 1592 |
fvold=fv(ij,inb(ij)) |
| 1593 |
fv(ij,inb(ij))=fv(ij,inb(ij))*(1.-frac(ij)) |
| 1594 |
fv(ij,inb(ij)-1)=fv(ij,inb(ij)-1) |
| 1595 |
& +frac(ij)*fvold*((ph(ij,inb(ij))-ph(ij,inb(ij)+1))/ |
| 1596 |
1 (ph(ij,inb(ij)-1)-ph(ij,inb(ij)))) |
| 1597 |
503 continue |
| 1598 |
c |
| 1599 |
c *** Very slightly adjust tendencies to force exact *** |
| 1600 |
c *** enthalpy, momentum and tracer conservation *** |
| 1601 |
c |
| 1602 |
do 682 ij=1,ncum |
| 1603 |
ents(ij)=0.0 |
| 1604 |
uav(ij)=0.0 |
| 1605 |
vav(ij)=0.0 |
| 1606 |
do 681 i=1,inb(ij) |
| 1607 |
ents(ij)=ents(ij) |
| 1608 |
& +(cpn(ij,i)*ft(ij,i)+lv(ij,i)*fq(ij,i))*(ph(ij,i)-ph(ij,i+1)) |
| 1609 |
uav(ij)=uav(ij)+fu(ij,i)*(ph(ij,i)-ph(ij,i+1)) |
| 1610 |
vav(ij)=vav(ij)+fv(ij,i)*(ph(ij,i)-ph(ij,i+1)) |
| 1611 |
681 continue |
| 1612 |
682 continue |
| 1613 |
do 683 ij=1,ncum |
| 1614 |
ents(ij)=ents(ij)/(ph(ij,1)-ph(ij,inb(ij)+1)) |
| 1615 |
uav(ij)=uav(ij)/(ph(ij,1)-ph(ij,inb(ij)+1)) |
| 1616 |
vav(ij)=vav(ij)/(ph(ij,1)-ph(ij,inb(ij)+1)) |
| 1617 |
683 continue |
| 1618 |
do 642 ij=1,ncum |
| 1619 |
do 641 i=1,inb(ij) |
| 1620 |
ft(ij,i)=ft(ij,i)-ents(ij)/cpn(ij,i) |
| 1621 |
fu(ij,i)=(1.-cu)*(fu(ij,i)-uav(ij)) |
| 1622 |
fv(ij,i)=(1.-cu)*(fv(ij,i)-vav(ij)) |
| 1623 |
641 continue |
| 1624 |
642 continue |
| 1625 |
c |
| 1626 |
do 1810 k=1,nl+1 |
| 1627 |
do 1800 i=1,ncum |
| 1628 |
if((q(i,k)+delt*fq(i,k)).lt.0.0)iflag(i)=10 |
| 1629 |
1800 continue |
| 1630 |
1810 continue |
| 1631 |
c |
| 1632 |
c |
| 1633 |
do 1900 i=1,ncum |
| 1634 |
if(iflag(i).gt.2)then |
| 1635 |
precip(i)=0.0 |
| 1636 |
cbmf(i)=0.0 |
| 1637 |
endif |
| 1638 |
1900 continue |
| 1639 |
do 1920 k=1,nl |
| 1640 |
do 1910 i=1,ncum |
| 1641 |
if(iflag(i).gt.2)then |
| 1642 |
ft(i,k)=0.0 |
| 1643 |
fq(i,k)=0.0 |
| 1644 |
fu(i,k)=0.0 |
| 1645 |
fv(i,k)=0.0 |
| 1646 |
qcondc(i,k)=0.0 ! cld |
| 1647 |
endif |
| 1648 |
1910 continue |
| 1649 |
1920 continue |
| 1650 |
|
| 1651 |
do k=1,nl+1 |
| 1652 |
do i=1,ncum |
| 1653 |
Ma(i,k) = 0. |
| 1654 |
enddo |
| 1655 |
enddo |
| 1656 |
do k=nl,1,-1 |
| 1657 |
do i=1,ncum |
| 1658 |
Ma(i,k) = Ma(i,k+1)+m(i,k) |
| 1659 |
enddo |
| 1660 |
enddo |
| 1661 |
|
| 1662 |
c |
| 1663 |
c *** diagnose the in-cloud mixing ratio *** ! cld |
| 1664 |
c *** of condensed water *** ! cld |
| 1665 |
c ! cld |
| 1666 |
DO ij=1,ncum ! cld |
| 1667 |
do i=1,nd ! cld |
| 1668 |
mac(ij,i)=0.0 ! cld |
| 1669 |
wa(ij,i)=0.0 ! cld |
| 1670 |
siga(ij,i)=0.0 ! cld |
| 1671 |
enddo ! cld |
| 1672 |
do i=nk(ij),inb(ij) ! cld |
| 1673 |
do k=i+1,inb(ij)+1 ! cld |
| 1674 |
mac(ij,i)=mac(ij,i)+m(ij,k) ! cld |
| 1675 |
enddo ! cld |
| 1676 |
enddo ! cld |
| 1677 |
do i=icb(ij),inb(ij)-1 ! cld |
| 1678 |
ax(ij,i)=0. ! cld |
| 1679 |
do j=icb(ij),i ! cld |
| 1680 |
ax(ij,i)=ax(ij,i)+rrd*(tvp(ij,j)-tv(ij,j)) ! cld |
| 1681 |
: *(ph(ij,j)-ph(ij,j+1))/p(ij,j) ! cld |
| 1682 |
enddo ! cld |
| 1683 |
if (ax(ij,i).gt.0.0) then ! cld |
| 1684 |
wa(ij,i)=sqrt(2.*ax(ij,i)) ! cld |
| 1685 |
endif ! cld |
| 1686 |
enddo ! cld |
| 1687 |
do i=1,nl ! cld |
| 1688 |
if (wa(ij,i).gt.0.0) ! cld |
| 1689 |
: siga(ij,i)=mac(ij,i)/wa(ij,i) ! cld |
| 1690 |
: *rrd*tvp(ij,i)/p(ij,i)/100./delta ! cld |
| 1691 |
siga(ij,i) = min(siga(ij,i),1.0) ! cld |
| 1692 |
qcondc(ij,i)=siga(ij,i)*clw(ij,i)*(1.-ep(ij,i)) ! cld |
| 1693 |
: + (1.-siga(ij,i))*qcond(ij,i) ! cld |
| 1694 |
enddo ! cld |
| 1695 |
ENDDO ! cld |
| 1696 |
|
| 1697 |
return |
| 1698 |
end |
| 1699 |
|
| 1700 |
SUBROUTINE cv_uncompress(nloc,len,ncum,nd,idcum |
| 1701 |
: ,iflag |
| 1702 |
: ,precip,cbmf |
| 1703 |
: ,ft,fq,fu,fv |
| 1704 |
: ,Ma,qcondc |
| 1705 |
: ,iflag1 |
| 1706 |
: ,precip1,cbmf1 |
| 1707 |
: ,ft1,fq1,fu1,fv1 |
| 1708 |
: ,Ma1,qcondc1 |
| 1709 |
: ) |
| 1710 |
implicit none |
| 1711 |
|
| 1712 |
include "cvparam.h" |
| 1713 |
|
| 1714 |
c inputs: |
| 1715 |
integer len, ncum, nd, nloc |
| 1716 |
integer idcum(nloc) |
| 1717 |
integer iflag(nloc) |
| 1718 |
real precip(nloc), cbmf(nloc) |
| 1719 |
real ft(nloc,nd), fq(nloc,nd), fu(nloc,nd), fv(nloc,nd) |
| 1720 |
real Ma(nloc,nd) |
| 1721 |
real qcondc(nloc,nd) !cld |
| 1722 |
|
| 1723 |
c outputs: |
| 1724 |
integer iflag1(len) |
| 1725 |
real precip1(len), cbmf1(len) |
| 1726 |
real ft1(len,nd), fq1(len,nd), fu1(len,nd), fv1(len,nd) |
| 1727 |
real Ma1(len,nd) |
| 1728 |
real qcondc1(len,nd) !cld |
| 1729 |
|
| 1730 |
c local variables: |
| 1731 |
integer i,k |
| 1732 |
|
| 1733 |
do 2000 i=1,ncum |
| 1734 |
precip1(idcum(i))=precip(i) |
| 1735 |
cbmf1(idcum(i))=cbmf(i) |
| 1736 |
iflag1(idcum(i))=iflag(i) |
| 1737 |
2000 continue |
| 1738 |
|
| 1739 |
do 2020 k=1,nl |
| 1740 |
do 2010 i=1,ncum |
| 1741 |
ft1(idcum(i),k)=ft(i,k) |
| 1742 |
fq1(idcum(i),k)=fq(i,k) |
| 1743 |
fu1(idcum(i),k)=fu(i,k) |
| 1744 |
fv1(idcum(i),k)=fv(i,k) |
| 1745 |
Ma1(idcum(i),k)=Ma(i,k) |
| 1746 |
qcondc1(idcum(i),k)=qcondc(i,k) |
| 1747 |
2010 continue |
| 1748 |
2020 continue |
| 1749 |
|
| 1750 |
return |
| 1751 |
end |
| 1752 |
|
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