/[MITgcm]/MITgcm/verification/fizhi-gridalt-hs/code/do_fizhi.F
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Revision 1.3 - (hide annotations) (download)
Wed Sep 29 14:47:54 2004 UTC (19 years, 7 months ago) by molod
Branch: MAIN
Changes since 1.2: +169 -402 lines
Clean up experiment

1 molod 1.3 C $Header: /u/gcmpack/MITgcm/verification/fizhi-gridalt-hs/code/do_fizhi.F,v 1.2 2004/08/20 13:40:03 molod Exp $
2 molod 1.2 C $Name: $
3     #include "FIZHI_OPTIONS.h"
4     subroutine do_fizhi(myid,
5     . idim1,idim2,jdim1,jdim2,Nrphin,Nsxin,Nsyin,im1,im2,jm1,jm2,bi,bj,
6     . nchp,nchptot,nchpland,
7     . uphy,vphy,thphy,sphy,pephy,lons,lats,
8     . ctmt,xxmt,yymt,zetamt,xlmt,khmt,tke,
9     . tgz,sst,sice,phis_var,landtype,fracland,emiss,albnirdr,albnirdf,
10     . albvisdr,albvisdf,ityp,chfr,alai,agrn,igrd,chlat,chlon,
11     . tcanopy,tdeep,ecanopy,swetshal,swetroot,swetdeep,snodep,capac,
12     . o3,qstr,co2,cfc11,cfc12,cfc22,n2o,methane,
13     . duphy,dvphy,dthphy,dsphy)
14 molod 1.1 c-----------------------------------------------------------------------
15 molod 1.2 c Interface routine to calculate physics increments - calls fizhi_driver.
16     c Purpose of this routine is to set up arrays local to fizhi and 'save'
17     c them from one iteration to the next, and act as interface between the
18     c model common blocks (held in fizhi_wrapper) and fizhi_driver.
19     c Copies of variables that are 'shadowed' are made here without shadows
20     c for passing to fizhi_driver.
21     c Note: routine is called from inside a bi-bj loop
22     c
23 molod 1.1 c-----------------------------------------------------------------------
24 molod 1.2 implicit none
25     #include "SIZE.h"
26     #include "fizhi_SIZE.h"
27     #include "chronos.h"
28    
29     C Argument list declarations
30     integer myid,im1,im2,jm1,jm2,idim1,idim2,jdim1,jdim2
31     integer Nrphin,Nsxin,Nsyin,bi,bj,nchp
32     integer nchptot(Nsxin,Nsyin),nchpland(Nsxin,Nsyin)
33     _RL uphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
34     _RL vphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
35     _RL thphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
36     _RL sphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
37     _RL pephy(idim1:idim2,jdim1:jdim2,Nrphin+1,Nsxin,Nsyin)
38     _RS lons(idim1:idim2,jdim1:jdim2,Nsxin,Nsyin)
39     _RS lats(idim1:idim2,jdim1:jdim2,Nsxin,Nsyin)
40     _RL ctmt(nchp,Nsxin,Nsyin),xxmt(nchp,Nsxin,Nsyin)
41     _RL yymt(nchp,Nsxin,Nsyin)
42     _RL zetamt(nchp,Nsxin,Nsyin)
43     _RL xlmt(nchp,Nrphin,Nsxin,Nsyin),khmt(nchp,Nrphin,Nsxin,Nsyin)
44     _RL tke(nchp,Nrphin,Nsxin,Nsyin)
45     _RL tgz(im2,jm2,Nsxin,Nsyin)
46     _RL sst(idim1:idim2,jdim1:jdim2,Nsxin,Nsyin)
47     _RL sice(idim1:idim2,jdim1:jdim2,Nsxin,Nsyin)
48     _RL phis_var(im2,jm2,Nsxin,Nsyin)
49     integer landtype(im2,jm2,Nsxin,Nsyin)
50     _RL fracland(im2,jm2,Nsxin,Nsyin),emiss(im2,jm2,10,Nsxin,Nsyin)
51     _RL albvisdr(im2,jm2,Nsxin,Nsyin),albvisdf(im2,jm2,Nsxin,Nsyin)
52     _RL albnirdr(im2,jm2,Nsxin,Nsyin),albnirdf(im2,jm2,Nsxin,Nsyin)
53     _RL chfr(nchp,Nsxin,Nsyin),alai(nchp,Nsxin,Nsyin)
54     _RL agrn(nchp,Nsxin,Nsyin)
55     integer ityp(nchp,Nsxin,Nsyin),igrd(nchp,Nsxin,Nsyin)
56     _RL chlat(nchp,Nsxin,Nsyin),chlon(nchp,Nsxin,Nsyin)
57     _RL tcanopy(nchp,Nsxin,Nsyin),tdeep(nchp,Nsxin,Nsyin)
58     _RL ecanopy(nchp,Nsxin,Nsyin),swetshal(nchp,Nsxin,Nsyin)
59     _RL swetroot(nchp,Nsxin,Nsyin),swetdeep(nchp,Nsxin,Nsyin)
60     _RL snodep(nchp,Nsxin,Nsyin),capac(nchp,Nsxin,Nsyin)
61     _RL o3(im2,jm2,Nrphin,Nsxin,Nsyin)
62     _RL qstr(im2,jm2,Nrphin,Nsxin,Nsyin)
63     _RL co2,cfc11,cfc12,cfc22,n2o(Nrphin),methane(Nrphin)
64     _RL duphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
65     _RL dvphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
66     _RL dthphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
67     _RL dsphy(idim1:idim2,jdim1:jdim2,Nrphin,Nsxin,Nsyin)
68    
69    
70     c Local Variables
71     integer ptracer,ntracer
72     parameter (ptracer = 1)
73     parameter (ntracer = 1)
74     integer iras,nlwcld,nlwlz,nswcld,nswlz
75     integer imstturbsw,imstturblw
76    
77     _RL xlats(sNx,sNy),xlons(sNx,sNy),sea_ice(sNx,sNy)
78     _RL p(sNx,sNy,Nsx,Nsy)
79     _RL u(sNx,sNy,Nrphys),v(sNx,sNy,Nrphys),t(sNx,sNy,Nrphys)
80     _RL q(sNx,sNy,Nrphys,ntracer)
81     _RL pl(sNx,sNy,Nrphys,Nsx,Nsy),pkl(sNx,sNy,Nrphys,Nsx,Nsy)
82     _RL ple(sNx,sNy,Nrphys+1,Nsx,Nsy)
83     _RL pkle(sNx,sNy,Nrphys+1,Nsx,Nsy)
84     _RL dpres(sNx,sNy,Nrphys,Nsx,Nsy)
85     _RL lwdt(sNx,sNy,Nrphys,Nsx,Nsy)
86     _RL lwdtclr(sNx,sNy,Nrphys,Nsx,Nsy)
87     _RL swdt(sNx,sNy,Nrphys,Nsx,Nsy)
88     _RL swdtclr(sNx,sNy,Nrphys,Nsx,Nsy)
89     _RL turbu(sNx,sNy,Nrphys,Nsx,Nsy)
90     _RL turbv(sNx,sNy,Nrphys,Nsx,Nsy)
91     _RL turbt(sNx,sNy,Nrphys,Nsx,Nsy)
92     _RL turbq(sNx,sNy,Nrphys,ntracer,Nsx,Nsy)
93     _RL moistu(sNx,sNy,Nrphys,Nsx,Nsy)
94     _RL moistv(sNx,sNy,Nrphys,Nsx,Nsy)
95     _RL moistt(sNx,sNy,Nrphys,Nsx,Nsy)
96     _RL moistq(sNx,sNy,Nrphys,ntracer,Nsx,Nsy)
97     _RL radswt(sNx,sNy,Nsx,Nsy),radswg(sNx,sNy,Nsx,Nsy)
98     _RL swgclr(sNx,sNy,Nsx,Nsy)
99     _RL fdirpar(sNx,sNy,Nsx,Nsy),fdifpar(sNx,sNy,Nsx,Nsy)
100     _RL osr(sNx,sNy,Nsx,Nsy),osrclr(sNx,sNy,Nsx,Nsy)
101     _RL tg0(sNx,sNy,Nsx,Nsy),radlwg(sNx,sNy,Nsx,Nsy)
102     _RL lwgclr(sNx,sNy,Nsx,Nsy),st4(sNx,sNy,Nsx,Nsy)
103     _RL dst4(sNx,sNy,Nsx,Nsy),dlwdtg(sNx,sNy,Nrphys,Nsx,Nsy)
104     _RL rainlsp(sNx,sNy,Nsx,Nsy),raincon(sNx,sNy,Nsx,Nsy)
105     _RL snowfall(sNx,sNy,Nsx,Nsy)
106     _RL cldtot_lw(sNx,sNy,Nrphys,Nsx,Nsy)
107     _RL cldras_lw(sNx,sNy,Nrphys,Nsx,Nsy)
108     _RL cldlsp_lw(sNx,sNy,Nrphys,Nsx,Nsy)
109     _RL lwlz(sNx,sNy,Nrphys,Nsx,Nsy)
110     _RL cldtot_sw(sNx,sNy,Nrphys,Nsx,Nsy)
111     _RL cldras_sw(sNx,sNy,Nrphys,Nsx,Nsy)
112     _RL cldlsp_sw(sNx,sNy,Nrphys,Nsx,Nsy)
113     _RL swlz(sNx,sNy,Nrphys,Nsx,Nsy)
114     _RL qliqavesw(sNx,sNy,Nrphys,Nsx,Nsy)
115     _RL qliqavelw(sNx,sNy,Nrphys,Nsx,Nsy)
116     _RL fccavesw(sNx,sNy,Nrphys,Nsx,Nsy)
117     _RL fccavelw(sNx,sNy,Nrphys,Nsx,Nsy)
118     _RL qq(sNx,sNy,Nrphys,Nsx,Nsy)
119    
120     integer i,j,L
121     _RL getcon, kappa, p0kappa, s0, ra
122     _RL cosz(sNx,sNy)
123    
124     _RL tempij(sNx,sNy)
125 molod 1.3 _RL tempi(2)
126 molod 1.2
127     _RL kF,sigma_b,ks,ka,deg2rad,pi,atm_po,atm_kappa,termp,kv,kT
128     _RL term1,term2,thetalim,thetaeq,recip_p0g
129    
130     logical alarm
131     external alarm
132    
133     c save lwdt,lwdtclr,swdt,swdtclr,turbu,turbv,turbt,turbq
134     c save moistu,moistv,moistt,moistq
135     c save radswg,swgclr,fdirpar,fdifpar,osr,osrclr,tg0,radlwg
136     c save st4,dst4,dlwdtg,rainlsp,raincon,snowfall,iras
137     c save nlwcld,cldtot_lw,cldras_lw,cldlsp_lw,nlwlz,lwlz
138     c save nswcld,cldtot_sw,cldras_sw,cldlsp_sw,nswlz,swlz
139     c save imstturbsw,imstturblw,qliqavesw,qliqavelw,fccavesw,fccavelw
140     c save qq
141     c save pl,ple,dpres,pkle,pkl
142    
143 molod 1.3 c common /saver/ lwdt,lwdtclr,swdt,swdtclr,turbu,turbv,turbt,turbq
144     c common /saver/ moistu,moistv,moistt,moistq
145     c common /saver/ radswg,swgclr,fdirpar,fdifpar,osr,osrclr,tg0,radlwg
146     c common /saver/ st4,dst4,dlwdtg,rainlsp,raincon,snowfall
147     c common /saver/ cldtot_lw,cldras_lw,cldlsp_lw,lwlz
148     c common /saver/ cldtot_sw,cldras_sw,cldlsp_sw,swlz
149     c common /saver/ imstturbsw,imstturblw,qliqavesw,qliqavelw,fccavesw
150     c common /saver/ fccavelw
151     c common /saver/ qq
152     c common /saver/ pl,ple,dpres,pkle,pkl
153     c common /saver/ nlwcld,nlwlz
154     c common /saver/ nswcld,nswlz
155     c common /saver/ iras
156 molod 1.2
157     C***********************************************************************
158     C Unshadow input arrays (and make 'fizhi theta' from true theta)
159     C***********************************************************************
160    
161 molod 1.3 c if( (nhms.eq.nhms0) .and. (nymd.eq.nymd0) ) then
162     c _BEGIN_MASTER(myid)
163     c if(myid.eq.1.and.bi.eq.1) print *,' Initializing fizhi arrays '
164     c _END_MASTER(myid)
165     c imstturblw = 0
166     c imstturbsw = 0
167     c iras = 0
168     c nlwcld = 0
169     c nlwlz = 0
170     c nswcld = 0
171     c nswlz = 0
172     c do L = 1,Nrphys
173     c do j = jm1,jm2
174     c do i = im1,im2
175     c swlz(i,j,L,bi,bj) = 0.
176     c lwlz(i,j,L,bi,bj) = 0.
177     c qliqavesw(i,j,L,bi,bj) = 0.
178     c qliqavelw(i,j,L,bi,bj) = 0.
179     c fccavesw(i,j,L,bi,bj) = 0.
180     c fccavelw(i,j,L,bi,bj) = 0.
181     c cldtot_sw(i,j,L,bi,bj) = 0.
182     c cldras_sw(i,j,L,bi,bj) = 0.
183     c cldlsp_sw(i,j,L,bi,bj) = 0.
184     c cldtot_lw(i,j,L,bi,bj) = 0.
185     c cldras_lw(i,j,L,bi,bj) = 0.
186     c cldlsp_lw(i,j,L,bi,bj) = 0.
187     c lwdt(i,j,L,bi,bj) = 0.
188     c swdt(i,j,L,bi,bj) = 0.
189     c turbt(i,j,L,bi,bj) = 0.
190     c moistt(i,j,L,bi,bj) = 0.
191     c turbq(i,j,L,1,bi,bj) = 0.
192     c moistq(i,j,L,1,bi,bj) = 0.
193     c turbu(i,j,L,bi,bj) = 0.
194     c moistu(i,j,L,bi,bj) = 0.
195     c turbv(i,j,L,bi,bj) = 0.
196     c moistv(i,j,L,bi,bj) = 0.
197     c enddo
198     c enddo
199     c enddo
200     c do j = jm1,jm2
201     c do i = im1,im2
202     c rainlsp(i,j,bi,bj) = 0.
203     c raincon(i,j,bi,bj) = 0.
204     c snowfall(i,j,bi,bj) = 0.
205     c enddo
206     c enddo
207     c endif
208     c
209     c kappa = getcon('KAPPA')
210     c p0kappa = 1000.0 ** kappa
211     c S0 = getcon('S0')
212     c
213     c do j = jm1,jm2
214     c do i = im1,im2
215     c xlats(i,j) = lats(i,j,bi,bj)
216     c xlons(i,j) = lons(i,j,bi,bj)
217     c enddo
218     c enddo
219     c
220     c call astro ( nymd,nhms, xlats,xlons, im2*jm2, cosz,ra )
221     c do j=jm1,jm2
222     c do i=im1,im2
223     c radswt(i,j,bi,bj) = S0*(1.0/ra**2)*cosz(i,j)
224     c enddo
225     c enddo
226     c
227     c if( alarm('moist') .or. alarm('turb') .or.
228     c . alarm('radsw') .or. alarm('radlw') ) then
229     c
230 molod 1.2 C compute pressures - all pressure are converted here to hPa
231 molod 1.3 c do j = jm1,jm2
232     c do i = im1,im2
233     c ple(i,j,Nrphys+1,bi,bj) = pephy(i,j,Nrphys+1,bi,bj)/100.
234     c pkle(i,j,Nrphys+1,bi,bj)=(pephy(i,j,Nrphys+1,bi,bj)/100.) **kappa
235     c p(i,j,bi,bj) = pephy(i,j,Nrphys+1,bi,bj)/100.
236     c sea_ice(i,j) = sice(i,j,bi,bj)
237     c enddo
238     c enddo
239     c do L = 1,Nrphys
240     c do j = jm1,jm2
241     c do i = im1,im2
242     c u(i,j,L) = uphy(i,j,L,bi,bj)
243     c v(i,j,L) = vphy(i,j,L,bi,bj)
244     c t(i,j,L) = thphy(i,j,L,bi,bj)/p0kappa
245     c q(i,j,L,1) = sphy(i,j,L,bi,bj)
246     c pl(i,j,L,bi,bj) = (pephy(i,j,L,bi,bj)+pephy(i,j,L+1,bi,bj))/200.
247     c dpres(i,j,L,bi,bj)=(pephy(i,j,L+1,bi,bj)-pephy(i,j,L,bi,bj))/100.
248     c ple(i,j,L,bi,bj) = pephy(i,j,L,bi,bj)/100.
249     c if (ple(i,j,L,bi,bj).gt.0.) then
250     c pkle(i,j,L,bi,bj) = ple(i,j,L,bi,bj) **kappa
251     c else
252     c pkle(i,j,L,bi,bj) = 0.
253     c endif
254     c enddo
255     c enddo
256     c enddo
257     c
258     c call pkappa (im2,jm2,Nrphys,ple(1,1,1,bi,bj),pkle(1,1,1,bi,bj),
259     c . pkl(1,1,1,bi,bj))
260     c
261     c call fizhi_driver(myid,im2,jm2,Nrphys,bi,bj,ptracer,ntracer,xlats,
262     c . xlons,p(1,1,bi,bj),u,v,t,q,pl(1,1,1,bi,bj),ple(1,1,1,bi,bj),
263     c . dpres(1,1,1,bi,bj),pkle(1,1,1,bi,bj),pkl(1,1,1,bi,bj),
264     c . fracland(1,1,bi,bj),landtype(1,1,bi,bj),radswt(1,1,bi,bj),
265     c . phis_var(1,1,bi,bj),tgz(1,1,bi,bj),sea_ice,nchp,chlat(1,bi,bj),
266     c . chlon(1,bi,bj),igrd(1,bi,bj),nchptot(bi,bj),nchpland(bi,bj),
267     c . chfr(1,bi,bj),ityp(1,bi,bj),tcanopy(1,bi,bj),tdeep(1,bi,bj),
268     c . ecanopy(1,bi,bj),swetshal(1,bi,bj),swetroot(1,bi,bj),
269     c . swetdeep(1,bi,bj),capac(1,bi,bj),snodep(1,bi,bj),
270     c . ctmt(1,bi,bj),xxmt(1,bi,bj),yymt(1,bi,bj),zetamt(1,bi,bj),
271     c . xlmt(1,1,bi,bj),khmt(1,1,bi,bj),tke(1,1,bi,bj),
272     c . albvisdr(1,1,bi,bj),albvisdf(1,1,bi,bj),albnirdr(1,1,bi,bj),
273     c . albnirdf(1,1,bi,bj),emiss(1,1,1,bi,bj),alai(1,bi,bj),
274     c . agrn(1,bi,bj),
275     c . qstr(1,1,1,bi,bj),o3(1,1,1,bi,bj),
276     c . co2,cfc11,cfc12,cfc22,methane,n2o,
277     c . lwdt(1,1,1,bi,bj),lwdtclr(1,1,1,bi,bj),swdt(1,1,1,bi,bj),
278     c . swdtclr(1,1,1,bi,bj),turbu(1,1,1,bi,bj),turbv(1,1,1,bi,bj),
279     c . turbt(1,1,1,bi,bj),turbq(1,1,1,1,bi,bj),moistu(1,1,1,bi,bj),
280     c . moistv(1,1,1,bi,bj),moistt(1,1,1,bi,bj),moistq(1,1,1,1,bi,bj),
281     c . radswg(1,1,bi,bj),swgclr(1,1,bi,bj),fdirpar(1,1,bi,bj),
282     c . fdifpar(1,1,bi,bj),osr(1,1,bi,bj),osrclr(1,1,bi,bj),
283     c . tg0(1,1,bi,bj),radlwg(1,1,bi,bj),lwgclr(1,1,bi,bj),
284     c . st4(1,1,bi,bj),dst4(1,1,bi,bj),dlwdtg(1,1,1,bi,bj),
285     c . rainlsp(1,1,bi,bj),raincon(1,1,bi,bj),snowfall(1,1,bi,bj),iras,
286     c . nlwcld,cldtot_lw(1,1,1,bi,bj),cldras_lw(1,1,1,bi,bj),
287     c . cldlsp_lw(1,1,1,bi,bj),nlwlz,lwlz(1,1,1,bi,bj),
288     c . nswcld,cldtot_sw(1,1,1,bi,bj),cldras_sw(1,1,1,bi,bj),
289     c . cldlsp_sw(1,1,1,bi,bj),nswlz,swlz(1,1,1,bi,bj),
290     c . imstturbsw,imstturblw,qliqavesw(1,1,1,bi,bj),
291     c . qliqavelw(1,1,1,bi,bj),fccavesw(1,1,1,bi,bj),
292     c . fccavelw(1,1,1,bi,bj),qq(1,1,1,bi,bj))
293     c
294     c do L = 1,Nrphys
295     c do j = jm1,jm2
296     c do i = im1,im2
297     c duphy(i,j,L,bi,bj) = moistu(i,j,L,bi,bj) + turbu(i,j,L,bi,bj)
298     c dvphy(i,j,L,bi,bj) = moistv(i,j,L,bi,bj) + turbv(i,j,L,bi,bj)
299     c dthphy(i,j,L,bi,bj) = ((moistt(i,j,L,bi,bj)+turbt(i,j,L,bi,bj)+
300     c . lwdt(i,j,L,bi,bj) +
301     c . dlwdtg(i,j,L,bi,bj) * (tgz(i,j,bi,bj)-tg0(i,j,bi,bj)) +
302     c . swdt(i,j,L,bi,bj)*radswt(i,j,bi,bj) )*p0kappa ) / p(i,j,bi,bj)
303     c dsphy(i,j,L,bi,bj) = (moistq(i,j,L,1,bi,bj)+turbq(i,j,L,1,bi,bj))
304     c . /p(i,j,bi,bj)
305     c enddo
306     c enddo
307     c enddo
308     c
309     c endif
310     c
311     c call fizhi_step_diag(myid,p,uphy,vphy,thphy,sphy,qq,pkl,dpres,
312     c . radswt,radswg,swgclr,osr,osrclr,st4,dst4,tgz,tg0,radlwg,lwgclr,
313     c . turbu,turbv,turbt,turbq,moistu,moistv,moistt,moistq,
314     c . lwdt,swdt,lwdtclr,swdtclr,dlwdtg,
315     c . im1,im2,jm1,jm2,Nrphys,Nsx,Nsy,bi,bj,ntracer)
316 molod 1.1
317    
318     kF=1. _d 0/86400. _d 0
319     sigma_b = 0.7 _d 0
320     ka=1. _d 0/(40. _d 0*86400. _d 0)
321     ks=1. _d 0/(4. _d 0 *86400. _d 0)
322     pi = getcon('PI')
323     atm_kappa = getcon('KAPPA')
324     atm_po = getcon('ATMPOPA')
325     deg2rad = getcon('DEG2RAD')
326    
327     do L = 1,Nrphys
328 molod 1.2 do j = jm1,jm2
329     do i = im1,im2
330     recip_P0g= 1. _d 0 / pephy(i,j,Nrphys+1,bi,bj)
331 molod 1.1 c U and V terms:
332     termP=0.5 _d 0*((pephy(i,j,L,bi,bj)+pephy(i,j,L+1,bi,bj))
333     & *recip_P0g )
334     kV=kF*MAX( 0. _d 0, (termP-sigma_b)/(1. _d 0-sigma_b) )
335     duphy(i,j,L,bi,bj)= -kV*uphy(i,j,L,bi,bj)
336     dvphy(i,j,L,bi,bj)= -kV*vphy(i,j,L,bi,bj)
337 molod 1.2
338 molod 1.1 c T terms
339     C-- Forcing term(s)
340 molod 1.2 term1=60. _d 0*(sin(lats(I,J,bi,bj)*deg2rad)**2)
341 molod 1.1 termP=0.5 _d 0*( pephy(i,j,L,bi,bj) + pephy(i,j,L+1,bi,bj) )
342     term2=10. _d 0*log(termP/atm_po)
343 molod 1.2 & *(cos(lats(I,J,bi,bj)*deg2rad)**2)
344 molod 1.1 thetaLim = 200. _d 0/ ((termP/atm_po)**atm_kappa)
345     thetaEq=315. _d 0-term1-term2
346     thetaEq=MAX(thetaLim,thetaEq)
347     kT=ka+(ks-ka)
348     & *MAX(0. _d 0,
349     & (termP*recip_P0g-sigma_b)/(1. _d 0-sigma_b) )
350 molod 1.2 & *COS((lats(I,J,bi,bj)*deg2rad))**4
351 molod 1.1 if(termP*recip_P0g.gt.0.04)then
352     dthphy(i,j,L,bi,bj)=- kT*( thphy(I,J,L,bi,bj)-thetaEq )
353 molod 1.2 else
354 molod 1.1 dthphy(i,j,L,bi,bj)=0.
355     endif
356    
357     c S terms (hs runs dry - no moisture)
358     C-- Forcing term(s)
359     dsphy(i,j,L,bi,bj)=0.
360 molod 1.2
361 molod 1.1 enddo
362     enddo
363     enddo
364    
365 molod 1.2 return
366     end

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