2 |
C $Name$ |
C $Name$ |
3 |
#include "FIZHI_OPTIONS.h" |
#include "FIZHI_OPTIONS.h" |
4 |
subroutine gwdrag (myid,pz,pl,ple,dpres,pkz,uz,vz,tz,qz,phis_var, |
subroutine gwdrag (myid,pz,pl,ple,dpres,pkz,uz,vz,tz,qz,phis_var, |
5 |
. dudt,dvdt,dtdt,im,jm,lm,bi,bj,istrip,npcs,imglobal) |
. dudt,dvdt,dtdt,im,jm,Lm,bi,bj,istrip,npcs,imglobal) |
6 |
C*********************************************************************** |
C*********************************************************************** |
7 |
C |
C |
8 |
C PURPOSE: |
C PURPOSE: |
13 |
C ====== |
C ====== |
14 |
C myid ....... Process ID |
C myid ....... Process ID |
15 |
C pz ....... Surface Pressure [im,jm] |
C pz ....... Surface Pressure [im,jm] |
16 |
C pl ....... 3D pressure field [im,jm,lm] |
C pl ....... 3D pressure field [im,jm,Lm] |
17 |
C ple ....... 3d pressure at model level edges [im,jm,lm+1] |
C ple ....... 3d pressure at model level edges [im,jm,Lm+1] |
18 |
C dpres ....... pressure difference across level [im,jm,lm] |
C dpres ....... pressure difference across level [im,jm,Lm] |
19 |
C pkz ....... pressure**kappa [im,jm,lm] |
C pkz ....... pressure**kappa [im,jm,Lm] |
20 |
C uz ....... zonal velocity [im,jm,lm] |
C uz ....... zonal velocity [im,jm,Lm] |
21 |
C vz ....... meridional velocity [im,jm,lm] |
C vz ....... meridional velocity [im,jm,Lm] |
22 |
C tz ....... temperature [im,jm,lm] |
C tz ....... temperature [im,jm,Lm] |
23 |
C qz ....... specific humidity [im,jm,lm] |
C qz ....... specific humidity [im,jm,Lm] |
24 |
C phis_var .... topography variance |
C phis_var .... topography variance |
25 |
C im ....... number of grid points in x direction |
C im ....... number of grid points in x direction |
26 |
C jm ....... number of grid points in y direction |
C jm ....... number of grid points in y direction |
27 |
C lm ....... number of grid points in vertical |
C Lm ....... number of grid points in vertical |
28 |
C istrip ...... 'strip' length for cache size control |
C istrip ...... 'strip' length for cache size control |
29 |
C npcs ....... number of strips |
C npcs ....... number of strips |
30 |
C imglobal .... (avg) number of longitude points around the globe |
C imglobal .... (avg) number of longitude points around the globe |
40 |
|
|
41 |
c Input Variables |
c Input Variables |
42 |
c --------------- |
c --------------- |
43 |
integer myid,im,jm,lm,bi,bj,istrip,npcs,imglobal |
integer myid,im,jm,Lm,bi,bj,istrip,npcs,imglobal |
44 |
_RL pz(im,jm) |
_RL pz(im,jm) |
45 |
_RL pl(im,jm,lm) |
_RL pl(im,jm,Lm) |
46 |
_RL ple(im,jm,lm+1) |
_RL ple(im,jm,Lm+1) |
47 |
_RL dpres(im,jm,lm) |
_RL dpres(im,jm,Lm) |
48 |
_RL pkz(im,jm,lm) |
_RL pkz(im,jm,Lm) |
49 |
_RL uz(im,jm,lm) |
_RL uz(im,jm,Lm) |
50 |
_RL vz(im,jm,lm) |
_RL vz(im,jm,Lm) |
51 |
_RL tz(im,jm,lm) |
_RL tz(im,jm,Lm) |
52 |
_RL qz(im,jm,lm) |
_RL qz(im,jm,Lm) |
53 |
_RL phis_var(im,jm) |
_RL phis_var(im,jm) |
54 |
|
|
55 |
_RL dudt(im,jm,lm) |
_RL dudt(im,jm,Lm) |
56 |
_RL dvdt(im,jm,lm) |
_RL dvdt(im,jm,Lm) |
57 |
_RL dtdt(im,jm,lm) |
_RL dtdt(im,jm,Lm) |
58 |
|
|
59 |
c Local Variables |
c Local Variables |
60 |
c --------------- |
c --------------- |
61 |
_RL tv(im,jm,lm) |
_RL tv(im,jm,Lm) |
62 |
_RL dragu(im,jm,lm), dragv(im,jm,lm) |
_RL dragu(im,jm,Lm), dragv(im,jm,Lm) |
63 |
_RL dragt(im,jm,lm) |
_RL dragt(im,jm,Lm) |
64 |
_RL dragx(im,jm), dragy(im,jm) |
_RL dragx(im,jm), dragy(im,jm) |
65 |
_RL sumu(im,jm) |
_RL sumu(im,jm) |
66 |
integer nthin(im,jm),nbase(im,jm) |
integer nthin(im,jm),nbase(im,jm) |
69 |
_RL phis_std(im,jm) |
_RL phis_std(im,jm) |
70 |
|
|
71 |
_RL std(istrip), ps(istrip) |
_RL std(istrip), ps(istrip) |
72 |
_RL us(istrip,lm), vs(istrip,lm), ts(istrip,lm) |
_RL us(istrip,Lm), vs(istrip,Lm), ts(istrip,Lm) |
73 |
_RL dragus(istrip,lm), dragvs(istrip,lm) |
_RL dragus(istrip,Lm), dragvs(istrip,Lm) |
74 |
_RL dragxs(istrip), dragys(istrip) |
_RL dragxs(istrip), dragys(istrip) |
75 |
_RL plstr(istrip,lm),plestr(istrip,lm),dpresstr(istrip,lm) |
_RL plstr(istrip,Lm),plestr(istrip,Lm),dpresstr(istrip,Lm) |
76 |
integer nthinstr(istrip),nbasestr(istrip) |
integer nthinstr(istrip),nbasestr(istrip) |
77 |
|
|
78 |
integer n,i,j,L |
integer n,i,j,L |
84 |
_RL tmpdiag(im,jm) |
_RL tmpdiag(im,jm) |
85 |
#endif |
#endif |
86 |
|
|
|
return |
|
|
|
|
87 |
c Initialization |
c Initialization |
88 |
c -------------- |
c -------------- |
89 |
pi = 4.0*atan(1.0) |
pi = 4.0*atan(1.0) |
98 |
do j=1,jm |
do j=1,jm |
99 |
do i=1,im |
do i=1,im |
100 |
|
|
101 |
do nthini = 1,lm+1 |
do nthini = 1,Lm+1 |
102 |
if( 1000.0-ple(i,j,lm+2-nthini).gt.25. ) then |
if( pz(i,j)-ple(i,j,Lm+2-nthini).gt.25. ) then |
103 |
nthin(i,j) = nthini |
nthin(i,j) = nthini |
104 |
goto 10 |
goto 10 |
105 |
endif |
endif |
106 |
enddo |
enddo |
107 |
10 continue |
10 continue |
108 |
do nbasei = 1,lm+1 |
do nbasei = 1,Lm+1 |
109 |
if( ple(i,j,lm+2-nbasei).lt.666.7 ) then |
if( ple(i,j,Lm+2-nbasei).lt.(0.667*pz(i,j)) ) then |
110 |
nbase(i,j) = nbasei |
nbase(i,j) = nbasei |
111 |
goto 20 |
goto 20 |
112 |
endif |
endif |
113 |
enddo |
enddo |
114 |
20 continue |
20 continue |
115 |
if( 666.7-ple(i,j,lm+2-nbase(i,j)) .gt. |
if( (0.667*pz(i,j))-ple(i,j,Lm+2-nbase(i,j)) .gt. |
116 |
. ple(i,j,lm+3-nbase(i,j))-666.7 ) then |
. ple(i,j,Lm+3-nbase(i,j))-(0.667*pz(i,j)) ) then |
117 |
nbase(i,j) = nbase(i,j)-1 |
nbase(i,j) = nbase(i,j)-1 |
118 |
endif |
endif |
119 |
|
|
120 |
enddo |
enddo |
121 |
enddo |
enddo |
122 |
|
|
123 |
|
if(diagnostics_is_on('SDIAG1 ',myid) ) then |
124 |
|
do j=1,jm |
125 |
|
do i=1,im |
126 |
|
tmpdiag(i,j) = float(nthin(i,j)) |
127 |
|
enddo |
128 |
|
enddo |
129 |
|
call diagnostics_fill(tmpdiag,'SDIAG1 ',0,1,3,bi,bj,myid) |
130 |
|
endif |
131 |
|
if(diagnostics_is_on('SDIAG2 ',myid) ) then |
132 |
|
do j=1,jm |
133 |
|
do i=1,im |
134 |
|
tmpdiag(i,j) = float(nbase(i,j)) |
135 |
|
enddo |
136 |
|
enddo |
137 |
|
call diagnostics_fill(tmpdiag,'SDIAG2 ',0,1,3,bi,bj,myid) |
138 |
|
endif |
139 |
|
|
140 |
c Compute Topography Sub-Grid Standard Deviation |
c Compute Topography Sub-Grid Standard Deviation |
141 |
|
c and constrain the Maximum Value |
142 |
c ---------------------------------------------- |
c ---------------------------------------------- |
143 |
do j=1,jm |
do j=1,jm |
144 |
do i=1,im |
do i=1,im |
146 |
enddo |
enddo |
147 |
enddo |
enddo |
148 |
|
|
149 |
|
if(diagnostics_is_on('SDIAG3 ',myid) ) then |
150 |
|
do j=1,jm |
151 |
|
do i=1,im |
152 |
|
tmpdiag(i,j) = phis_std(i,j) |
153 |
|
enddo |
154 |
|
enddo |
155 |
|
call diagnostics_fill(tmpdiag,'SDIAG3 ',0,1,3,bi,bj,myid) |
156 |
|
endif |
157 |
|
|
158 |
c Compute Virtual Temperatures |
c Compute Virtual Temperatures |
159 |
c ---------------------------- |
c ---------------------------- |
160 |
do L = 1,lm |
do L = 1,Lm |
161 |
do j = 1,jm |
do j = 1,jm |
162 |
do i = 1,im |
do i = 1,im |
163 |
tv(i,j,L) = tz(i,j,L)*pkz(i,j,L)*(1.+.609*qz(i,j,L)) |
tv(i,j,L) = tz(i,j,L)*pkz(i,j,L)*(1.+.609*qz(i,j,L)) |
165 |
enddo |
enddo |
166 |
enddo |
enddo |
167 |
|
|
168 |
|
do L = 1,Lm |
169 |
|
do j = 1,jm |
170 |
|
do i = 1,im |
171 |
|
dragu(i,j,L) = 0. |
172 |
|
dragv(i,j,L) = 0. |
173 |
|
dragt(i,j,L) = 0. |
174 |
|
enddo |
175 |
|
enddo |
176 |
|
enddo |
177 |
|
|
178 |
c Call Gravity Wave Drag Paramterization on A-Grid |
c Call Gravity Wave Drag Paramterization on A-Grid |
179 |
c ------------------------------------------------ |
c ------------------------------------------------ |
180 |
|
|
183 |
call strip ( phis_std,std,im*jm,istrip,1,n ) |
call strip ( phis_std,std,im*jm,istrip,1,n ) |
184 |
|
|
185 |
call strip ( pz,ps,im*jm,istrip,1 ,n ) |
call strip ( pz,ps,im*jm,istrip,1 ,n ) |
186 |
call strip ( uz,us,im*jm,istrip,lm,n ) |
call strip ( uz,us,im*jm,istrip,Lm,n ) |
187 |
call strip ( vz,vs,im*jm,istrip,lm,n ) |
call strip ( vz,vs,im*jm,istrip,Lm,n ) |
188 |
call strip ( tv,ts,im*jm,istrip,lm,n ) |
call strip ( tv,ts,im*jm,istrip,Lm,n ) |
189 |
call strip ( pl,plstr,im*jm,istrip,lm,n ) |
call strip ( pl,plstr,im*jm,istrip,Lm,n ) |
190 |
call strip ( ple,plestr,im*jm,istrip,lm,n ) |
call strip ( ple,plestr,im*jm,istrip,Lm,n ) |
191 |
call strip ( dpres,dpresstr,im*jm,istrip,lm,n ) |
call strip ( dpres,dpresstr,im*jm,istrip,Lm,n ) |
192 |
call stripint ( nthin,nthinstr,im*jm,istrip,lm,n ) |
call stripint ( nthin,nthinstr,im*jm,istrip,1,n ) |
193 |
call stripint ( nbase,nbasestr,im*jm,istrip,lm,n ) |
call stripint ( nbase,nbasestr,im*jm,istrip,1,n ) |
194 |
|
|
195 |
call GWDD ( ps,us,vs,ts, |
call GWDD ( ps,us,vs,ts, |
196 |
. dragus,dragvs,dragxs,dragys,std, |
. dragus,dragvs,dragxs,dragys,std, |
197 |
. plstr,plestr,dpresstr,grav,rgas,cp, |
. plstr,plestr,dpresstr,grav,rgas,cp, |
198 |
. istrip,lm,nthinstr,nbasestr,lstar ) |
. istrip,Lm,nthinstr,nbasestr,lstar ) |
199 |
|
|
200 |
call paste ( dragus,dragu,istrip,im*jm,lm,n ) |
call paste ( dragus,dragu,istrip,im*jm,Lm,n ) |
201 |
call paste ( dragvs,dragv,istrip,im*jm,lm,n ) |
call paste ( dragvs,dragv,istrip,im*jm,Lm,n ) |
202 |
call paste ( dragxs,dragx,istrip,im*jm,1 ,n ) |
call paste ( dragxs,dragx,istrip,im*jm,1 ,n ) |
203 |
call paste ( dragys,dragy,istrip,im*jm,1 ,n ) |
call paste ( dragys,dragy,istrip,im*jm,1 ,n ) |
204 |
|
|
206 |
|
|
207 |
c Add Gravity-Wave Drag to Wind and Theta Tendencies |
c Add Gravity-Wave Drag to Wind and Theta Tendencies |
208 |
c -------------------------------------------------- |
c -------------------------------------------------- |
209 |
do L = 1,lm |
do L = 1,Lm |
210 |
do j = 1,jm |
do j = 1,jm |
211 |
do i = 1,im |
do i = 1,im |
212 |
dragu(i,j,L) = sign( min(0.006,abs(dragu(i,j,L))),dragu(i,j,L) ) |
dragu(i,j,L) = sign( min(0.006,abs(dragu(i,j,L))),dragu(i,j,L) ) |
213 |
dragv(i,j,L) = sign( min(0.006,abs(dragv(i,j,L))),dragv(i,j,L) ) |
dragv(i,j,L) = sign( min(0.006,abs(dragv(i,j,L))),dragv(i,j,L) ) |
214 |
dragt(i,j,L) = -( uz(i,j,L)*dragu(i,j,L)+vz(i,j,L)*dragv(i,j,L) ) |
dragt(i,j,L) = -( uz(i,j,L)*dragu(i,j,L)+vz(i,j,L)*dragv(i,j,L) ) |
215 |
. *cpinv |
. *cpinv |
216 |
dudt(i,j,L) = dudt(i,j,L) + dragu(i,j,L) |
c dudt(i,j,L) = dudt(i,j,L) + dragu(i,j,L) |
217 |
dvdt(i,j,L) = dvdt(i,j,L) + dragv(i,j,L) |
c dvdt(i,j,L) = dvdt(i,j,L) + dragv(i,j,L) |
218 |
dtdt(i,j,L) = dtdt(i,j,L) + dragt(i,j,L)*pz(i,j)/pkz(i,j,L) |
c dtdt(i,j,L) = dtdt(i,j,L) + dragt(i,j,L)/pkz(i,j,L) |
219 |
enddo |
enddo |
220 |
enddo |
enddo |
221 |
enddo |
enddo |
223 |
c Compute Diagnostics |
c Compute Diagnostics |
224 |
c ------------------- |
c ------------------- |
225 |
#ifdef ALLOW_DIAGNOSTICS |
#ifdef ALLOW_DIAGNOSTICS |
226 |
do L = 1,lm |
do L = 1,Lm |
227 |
|
|
228 |
if(diagnostics_is_on('GWDU ',myid) ) then |
if(diagnostics_is_on('GWDU ',myid) ) then |
229 |
do j=1,jm |
do j=1,jm |
274 |
sumu(i,j) = 0.0 |
sumu(i,j) = 0.0 |
275 |
enddo |
enddo |
276 |
enddo |
enddo |
277 |
do L = 1,lm |
do L = 1,Lm |
278 |
do j = 1,jm |
do j = 1,jm |
279 |
do i = 1,im |
do i = 1,im |
280 |
sumu(i,j) = sumu(i,j) + dragu(i,j,L)*dpres(i,j,L)/pz(i,j) |
sumu(i,j) = sumu(i,j) + dragu(i,j,L)*dpres(i,j,L)/pz(i,j) |
297 |
sumu(i,j) = 0.0 |
sumu(i,j) = 0.0 |
298 |
enddo |
enddo |
299 |
enddo |
enddo |
300 |
do L = 1,lm |
do L = 1,Lm |
301 |
do j = 1,jm |
do j = 1,jm |
302 |
do i = 1,im |
do i = 1,im |
303 |
sumu(i,j) = sumu(i,j) + dragv(i,j,L)*dpres(i,j,L)/pz(i,j) |
sumu(i,j) = sumu(i,j) + dragv(i,j,L)*dpres(i,j,L)/pz(i,j) |
317 |
end |
end |
318 |
SUBROUTINE GWDD ( ps,u,v,t,dudt,dvdt,xdrag,ydrag, |
SUBROUTINE GWDD ( ps,u,v,t,dudt,dvdt,xdrag,ydrag, |
319 |
. std,pl,ple,dpres, |
. std,pl,ple,dpres, |
320 |
. grav,rgas,cp,irun,lm,nthin,nbase,lstar ) |
. grav,rgas,cp,irun,Lm,nthin,nbase,lstar ) |
321 |
C*********************************************************************** |
C*********************************************************************** |
322 |
C |
C |
323 |
C Description: |
C Description: |
339 |
C rgas ....... Gas constant |
C rgas ....... Gas constant |
340 |
C cp ......... Specific Heat at constant pressure |
C cp ......... Specific Heat at constant pressure |
341 |
C irun ....... Number of grid-points in horizontal dimension |
C irun ....... Number of grid-points in horizontal dimension |
342 |
C lm ......... Number of grid-points in vertical dimension |
C Lm ......... Number of grid-points in vertical dimension |
343 |
C lstar ...... Monochromatic Wavelength/(2*pi) |
C lstar ...... Monochromatic Wavelength/(2*pi) |
344 |
C |
C |
345 |
C Output: |
C Output: |
349 |
C xdrag ...... Zonal Surface and Base Layer Stress (Pa) |
C xdrag ...... Zonal Surface and Base Layer Stress (Pa) |
350 |
C ydrag ...... Meridional Surface and Base Layer Stress (Pa) |
C ydrag ...... Meridional Surface and Base Layer Stress (Pa) |
351 |
C |
C |
352 |
|
C NOTE: Quantities computed locally in GWDD use a |
353 |
|
C bottom-up counting of levels |
354 |
|
C The fizhi code uses a top-down so all |
355 |
|
C Quantities that came in through the arg list |
356 |
|
C must use reverse vertical indexing!!! |
357 |
C*********************************************************************** |
C*********************************************************************** |
358 |
|
|
359 |
implicit none |
implicit none |
360 |
|
|
361 |
c Input Variables |
c Input Variables |
362 |
c --------------- |
c --------------- |
363 |
integer irun,lm |
integer irun,Lm |
364 |
_RL ps(irun) |
_RL ps(irun) |
365 |
_RL u(irun,lm), v(irun,lm), t(irun,lm) |
_RL u(irun,Lm), v(irun,Lm), t(irun,Lm) |
366 |
_RL dudt(irun,lm), dvdt(irun,lm) |
_RL dudt(irun,Lm), dvdt(irun,Lm) |
367 |
_RL xdrag(irun), ydrag(irun) |
_RL xdrag(irun), ydrag(irun) |
368 |
_RL std(irun) |
_RL std(irun) |
369 |
_RL ple(irun,lm+1), pl(irun,lm), dpres(irun,lm) |
_RL ple(irun,Lm+1), pl(irun,Lm), dpres(irun,Lm) |
370 |
_RL grav, rgas, cp |
_RL grav, rgas, cp |
371 |
integer nthin(irun),nbase(irun) |
integer nthin(irun),nbase(irun) |
372 |
_RL lstar |
_RL lstar |
375 |
c ---------------------------- |
c ---------------------------- |
376 |
_RL ubar(irun), vbar(irun), robar(irun) |
_RL ubar(irun), vbar(irun), robar(irun) |
377 |
_RL speed(irun), ang(irun) |
_RL speed(irun), ang(irun) |
378 |
_RL bv(irun,lm) |
_RL bv(irun,Lm) |
379 |
_RL nbar(irun) |
_RL nbar(irun) |
380 |
|
|
381 |
_RL tstd(irun) |
_RL XTENS(irun,Lm+1), YTENS(irun,Lm+1) |
382 |
_RL XTENS(irun,lm+1), YTENS(irun,lm+1) |
_RL TENSIO(irun,Lm+1) |
|
_RL TENSIO(irun,lm+1) |
|
383 |
_RL DRAGSF(irun) |
_RL DRAGSF(irun) |
384 |
_RL RO(irun,lm), DZ(irun,lm) |
_RL RO(irun,Lm), DZ(irun,Lm) |
385 |
|
|
386 |
integer icrilv(irun) |
integer icrilv(irun) |
387 |
|
|
388 |
c Local Variables |
c Local Variables |
389 |
c --------------- |
c --------------- |
390 |
integer i,l |
integer i,L |
391 |
_RL a,g,stdmax,agrav,akwnmb |
_RL a,g,agrav,akwnmb |
392 |
_RL gocp,roave,roiave,frsf,gstar,vai1,vai2 |
_RL gocp,roave,roiave,frsf,gstar,vai1,vai2 |
393 |
_RL vaisd,velco,deluu,delvv,delve2,delz,vsqua |
_RL vaisd,velco,deluu,delvv,delve2,delz,vsqua |
394 |
_RL richsn,crifro,crif2,fro2,coef |
_RL richsn,crifro,crif2,fro2,coef |
397 |
c -------------- |
c -------------- |
398 |
a = 1.0 |
a = 1.0 |
399 |
g = 1.0 |
g = 1.0 |
400 |
agrav = 1.0/GRAV |
agrav = 1.0/grav |
401 |
akwnmb = 1.0/lstar |
akwnmb = 1.0/lstar |
402 |
gocp = GRAV/CP |
gocp = grav/cp |
|
|
|
|
c Constrain the Maximum Value of the Standard Deviation |
|
|
c ----------------------------------------------------- |
|
|
stdmax = 400. |
|
|
do i = 1,irun |
|
|
tstd(i) = std(i) |
|
|
if( std(i).gt.stdmax ) tstd(i) = stdmax |
|
|
enddo |
|
403 |
|
|
404 |
c Compute Atmospheric Density |
c Compute Atmospheric Density (with virtual temp) |
405 |
c --------------------------- |
c ----------------------------------------------- |
406 |
do l = 1,lm |
do l = 1,Lm |
407 |
do i = 1,irun |
do i = 1,irun |
408 |
ro(i,l) = pl(i,l)/(rgas*t(i,lm+1-l)) |
ro(i,L) = pl(i,Lm+1-L)/(rgas*t(i,Lm+1-L)) |
409 |
enddo |
enddo |
410 |
enddo |
enddo |
411 |
|
|
412 |
c Compute Layer Thicknesses |
c Compute Layer Thicknesses |
413 |
c ------------------------- |
c ------------------------- |
414 |
do l = 2,lm |
do l = 2,Lm |
415 |
do i = 1,irun |
do i = 1,irun |
416 |
roiave = ( 1./ro(i,l-1) + 1./ro(i,l) )*0.5 |
roiave = ( 1./ro(i,L-1) + 1./ro(i,L) )*0.5 |
417 |
dz(i,l) = agrav*roiave*( pl(i,l-1)-pl(i,l) ) |
dz(i,L) = agrav*roiave*( pl(i,Lm+1-L-1)-pl(i,Lm+1-L) ) |
418 |
enddo |
enddo |
419 |
enddo |
enddo |
420 |
|
|
421 |
|
|
422 |
c****************************************************** |
c*********************************************************************** |
423 |
c Surface and Base Layer Stress * |
c Surface and Base Layer Stress * |
424 |
c****************************************************** |
c*********************************************************************** |
425 |
|
|
426 |
c Definition of Surface Wind Vector |
c Definition of Surface Wind Vector |
427 |
c --------------------------------- |
c --------------------------------- |
428 |
do i = 1,irun |
do i = 1,irun |
429 |
robar(i) = 0.0 |
robar(i) = 0.0 |
430 |
ubar(i) = 0.0 |
ubar(i) = 0.0 |
431 |
vbar(i) = 0.0 |
vbar(i) = 0.0 |
432 |
enddo |
enddo |
433 |
|
|
434 |
do i = 1,irun |
do i = 1,irun |
435 |
do L = 1,nbase(i)-1 |
do L = 1,nbase(i)-1 |
436 |
robar(i) = robar(i) + ro(i,L) *(ple(i,L)-ple(i,L+1)) |
robar(i) = robar(i) + ro(i,L) * (ple(i,Lm+1-L)-ple(i,Lm+1-L+1)) |
437 |
ubar(i) = ubar(i) + u(i,lm+1-L)*(ple(i,L)-ple(i,L+1)) |
ubar(i) = ubar(i) + u(i,Lm+1-L) * (ple(i,Lm+1-L)-ple(i,Lm+1-L+1)) |
438 |
vbar(i) = vbar(i) + v(i,lm+1-L)*(ple(i,L)-ple(i,L+1)) |
vbar(i) = vbar(i) + v(i,Lm+1-L) * (ple(i,Lm+1-L)-ple(i,Lm+1-L+1)) |
439 |
enddo |
enddo |
440 |
enddo |
enddo |
441 |
|
|
442 |
do i = 1,irun |
do i = 1,irun |
443 |
robar(i) = robar(i)/(ple(i,1)-ple(i,nbase(i))) * 100.0 |
robar(i) = robar(i)/(ple(i,Lm)-ple(i,Lm+1-nbase(i))) * 100.0 |
444 |
ubar(i) = ubar(i)/(ple(i,1)-ple(i,nbase(i))) |
ubar(i) = ubar(i)/(ple(i,Lm)-ple(i,Lm+1-nbase(i))) |
445 |
vbar(i) = vbar(i)/(ple(i,1)-ple(i,nbase(i))) |
vbar(i) = vbar(i)/(ple(i,Lm)-ple(i,Lm+1-nbase(i))) |
|
|
|
|
speed(i) = SQRT( ubar(i)*ubar(i) + vbar(i)*vbar(i) ) |
|
|
ang(i) = ATAN2(vbar(i),ubar(i)) |
|
446 |
|
|
447 |
|
speed(i) = sqrt( ubar(i)*ubar(i) + vbar(i)*vbar(i) ) |
448 |
|
ang(i) = atan2(vbar(i),ubar(i)) |
449 |
enddo |
enddo |
450 |
|
|
451 |
c Brunt Vaisala Frequency |
c Brunt Vaisala Frequency |
452 |
c ----------------------- |
c ----------------------- |
453 |
do i = 1,irun |
do i = 1,irun |
454 |
do l = 2,nbase(i) |
do l = 2,nbase(i) |
455 |
VAI1 = (T(i,lm+1-l)-T(i,lm+2-l))/DZ(i,l)+GOCP |
vai1 = (t(i,Lm+1-L)-t(i,Lm+2-L))/dz(i,L)+gocp |
456 |
if( VAI1.LT.0.0 ) then |
if( vai1.LT.0.0 ) then |
457 |
VAI1 = 0.0 |
vai1 = 0.0 |
458 |
endif |
endif |
459 |
VAI2 = 2.0*GRAV/( T(i,lm+1-l)+T(i,lm+2-l) ) |
vai2 = 2.0*grav/( t(i,Lm+1-L)+t(i,Lm+2-L) ) |
460 |
VSQUA = VAI1*VAI2 |
vsqua = vai1*vai2 |
461 |
BV(i,l) = SQRT(VSQUA) |
bv(i,L) = sqrt(vsqua) |
462 |
enddo |
enddo |
463 |
enddo |
enddo |
464 |
|
|
465 |
c Stress at the Surface Level |
c Stress at the Surface Level |
466 |
c --------------------------- |
c --------------------------- |
467 |
do i = 1,irun |
do i = 1,irun |
468 |
nbar(i) = 0.0 |
nbar(i) = 0.0 |
469 |
enddo |
enddo |
470 |
do i = 1,irun |
do i = 1,irun |
471 |
do l = 2,nbase(i) |
do l = 2,nbase(i) |
472 |
NBAR(i) = NBAR(i) + BV(i,l)*(pl(i,l-1)-pl(i,l)) |
nbar(i) = nbar(i) + bv(i,L)*(pl(i,Lm+1-L-1)-pl(i,Lm+1-L)) |
473 |
enddo |
enddo |
474 |
enddo |
enddo |
475 |
|
|
476 |
do i = 1,irun |
do i = 1,irun |
477 |
NBAR(i) = NBAR(i)/(pl(i,1)-pl(i,nbase(i))) |
nbar(i) = nbar(i)/(pl(i,Lm)-pl(i,Lm+1-nbase(i))) |
478 |
FRSF = NBAR(i)*tstd(i)/speed(i) |
frsf = nbar(i)*std(i)/speed(i) |
479 |
|
|
480 |
if( speed(i).eq.0.0 .or. nbar(i).eq.0.0 ) then |
if( speed(i).eq.0.0 .or. nbar(i).eq.0.0 ) then |
481 |
TENSIO(i,1) = 0.0 |
tensio(i,1) = 0.0 |
482 |
else |
else |
483 |
GSTAR = G*FRSF*FRSF/(FRSF*FRSF+A*A) |
gstar = g*frsf*frsf/(frsf*frsf+a*a) |
484 |
TENSIO(i,1) = GSTAR*(ROBAR(i)*speed(i)*speed(i)*speed(i)) |
tensio(i,1) = gstar*(robar(i)*speed(i)*speed(i)*speed(i)) |
485 |
. / (NBAR(i)*LSTAR) |
. / (nbar(i)*lstar) |
486 |
endif |
endif |
487 |
|
|
488 |
XTENS(i,1) = TENSIO(i,1) * cos(ang(i)) |
xtens(i,1) = tensio(i,1) * cos(ang(i)) |
489 |
YTENS(i,1) = TENSIO(i,1) * sin(ang(i)) |
ytens(i,1) = tensio(i,1) * sin(ang(i)) |
490 |
DRAGSF(i) = TENSIO(i,1) |
dragsf(i) = tensio(i,1) |
491 |
XDRAG(i) = XTENS(i,1) |
xdrag(i) = xtens(i,1) |
492 |
YDRAG(i) = YTENS(i,1) |
ydrag(i) = ytens(i,1) |
493 |
enddo |
enddo |
494 |
|
|
495 |
c Check for Very thin lowest layer |
c Check for Very thin lowest layer |
496 |
c -------------------------------- |
c -------------------------------- |
497 |
do i = 1,irun |
do i = 1,irun |
498 |
if( NTHIN(i).gt.1 ) then |
if( nthin(i).gt.1 ) then |
499 |
do l = 1,nthin(i) |
do l = 1,nthin(i) |
500 |
TENSIO(i,l) = TENSIO(i,1) |
tensio(i,L) = tensio(i,1) |
501 |
XTENS(i,l) = XTENS(i,1) |
xtens(i,L) = xtens(i,1) |
502 |
YTENS(i,l) = YTENS(i,1) |
ytens(i,L) = ytens(i,1) |
503 |
enddo |
enddo |
504 |
endif |
endif |
505 |
enddo |
enddo |
506 |
|
|
507 |
c****************************************************** |
c****************************************************** |
509 |
c****************************************************** |
c****************************************************** |
510 |
|
|
511 |
do i = 1,irun |
do i = 1,irun |
512 |
do l = nthin(i)+1,nbase(i) |
do l = nthin(i)+1,nbase(i) |
513 |
|
|
514 |
velco = 0.5*( (u(i,lm+1-l)*ubar(i) + v(i,lm+1-l)*vbar(i)) |
velco = 0.5*( (u(i,Lm+1-L)*ubar(i) + v(i,Lm+1-L)*vbar(i)) |
515 |
. + (u(i,lm+2-l)*ubar(i) + v(i,lm+2-l)*vbar(i)) ) |
. + (u(i,Lm+2-L)*ubar(i) + v(i,Lm+2-L)*vbar(i)) ) |
516 |
. / speed(i) |
. / speed(i) |
517 |
|
|
518 |
C Convert to Newton/m**2 |
C Convert to Newton/m**2 |
519 |
roave = 0.5*(ro(i,l-1)+ro(i,l)) * 100.0 |
roave = 0.5*(ro(i,L-1)+ro(i,L)) * 100.0 |
520 |
|
|
521 |
if( VELCO.le.0.0 ) then |
if( velco.le.0.0 ) then |
522 |
TENSIO(i,l) = TENSIO(i,l-1) |
tensio(i,L) = tensio(i,L-1) |
523 |
goto 1500 |
goto 1500 |
524 |
endif |
endif |
525 |
|
|
526 |
c Froude number squared |
c Froude number squared |
527 |
c --------------------- |
c --------------------- |
528 |
FRO2 = bv(i,l)/(AKWNMB*ROAVE*VELCO*VELCO*VELCO)*TENSIO(i,l-1) |
fro2 = bv(i,L)/(akwnmb*roave*velco*velco*velco)*tensio(i,L-1) |
529 |
DELUU = u(i,lm+1-l)-u(i,lm+2-l) |
deluu = u(i,Lm+1-L)-u(i,Lm+2-L) |
530 |
DELVV = v(i,lm+1-l)-v(i,lm+2-l) |
delvv = v(i,Lm+1-L)-v(i,Lm+2-L) |
531 |
DELVE2 = ( DELUU*DELUU + DELVV*DELVV ) |
delve2 = ( deluu*deluu + delvv*delvv ) |
532 |
|
|
533 |
c Compute Richarson Number |
c Compute Richarson Number |
534 |
c ------------------------ |
c ------------------------ |
535 |
if( DELVE2.ne.0.0 ) then |
if( delve2.ne.0.0 ) then |
536 |
DELZ = DZ(i,l) |
delz = dz(i,L) |
537 |
VSQUA = BV(i,l)*BV(i,l) |
vsqua = bv(i,L)*bv(i,L) |
538 |
RICHSN = DELZ*DELZ*VSQUA/DELVE2 |
richsn = delz*delz*vsqua/delve2 |
539 |
else |
else |
540 |
RICHSN = 99999.0 |
richsn = 99999.0 |
541 |
endif |
endif |
542 |
|
|
543 |
if( RICHSN.le.0.25 ) then |
if( richsn.le.0.25 ) then |
544 |
TENSIO(i,l) = TENSIO(i,l-1) |
tensio(i,L) = tensio(i,L-1) |
545 |
goto 1500 |
goto 1500 |
546 |
endif |
endif |
547 |
|
|
548 |
c Stress in the Base Layer changes if the local Froude number |
c Stress in the Base Layer changes if the local Froude number |
549 |
c exceeds the Critical Froude number |
c exceeds the Critical Froude number |
550 |
c ---------------------------------- |
c ---------------------------------- |
551 |
CRIFRO = 1.0 - 0.25/RICHSN |
crifro = 1.0 - 0.25/richsn |
552 |
CRIF2 = CRIFRO*CRIFRO |
crif2 = crifro*crifro |
553 |
if( l.eq.2 ) CRIF2 = MIN(0.7,CRIF2) |
if( l.eq.2 ) crif2 = min(0.7,crif2) |
554 |
|
|
555 |
if( FRO2.gt.CRIF2 ) then |
if( fro2.gt.crif2 ) then |
556 |
TENSIO(i,l) = CRIF2/FRO2*TENSIO(i,l-1) |
tensio(i,L) = crif2/fro2*tensio(i,L-1) |
557 |
else |
else |
558 |
TENSIO(i,l) = TENSIO(i,l-1) |
tensio(i,L) = tensio(i,L-1) |
559 |
endif |
endif |
560 |
|
|
561 |
1500 CONTINUE |
1500 continue |
562 |
XTENS(i,l) = TENSIO(i,l)*COS(ang(i)) |
xtens(i,L) = tensio(i,L)*cos(ang(i)) |
563 |
YTENS(i,l) = TENSIO(i,l)*SIN(ang(i)) |
ytens(i,L) = tensio(i,L)*sin(ang(i)) |
564 |
|
|
565 |
enddo |
enddo |
566 |
enddo |
enddo |
567 |
|
|
568 |
c****************************************************** |
c****************************************************** |
570 |
c****************************************************** |
c****************************************************** |
571 |
|
|
572 |
do i = 1,irun |
do i = 1,irun |
573 |
icrilv(i) = 0 |
icrilv(i) = 0 |
574 |
enddo |
enddo |
575 |
|
|
576 |
do i = 1,irun |
do i = 1,irun |
577 |
do l = nbase(i)+1,lm+1 |
do l = nbase(i)+1,Lm+1 |
578 |
|
|
579 |
TENSIO(i,l) = 0.0 |
tensio(i,L) = 0.0 |
580 |
|
|
581 |
c Check for Critical Level Absorption |
c Check for Critical Level Absorption |
582 |
c ----------------------------------- |
c ----------------------------------- |
583 |
if( icrilv(i).eq.1 ) goto 130 |
if( icrilv(i).eq.1 ) goto 130 |
584 |
|
|
585 |
c Let Remaining Stress escape out the top edge of model |
c Let Remaining Stress escape out the top edge of model |
586 |
c ----------------------------------------------------- |
c ----------------------------------------------------- |
587 |
if( l.eq.lm+1 ) then |
if( l.eq.Lm+1 ) then |
588 |
TENSIO(i,l) = TENSIO(i,l-1) |
tensio(i,L) = tensio(i,L-1) |
589 |
goto 130 |
goto 130 |
590 |
endif |
endif |
591 |
|
|
592 |
ROAVE = 0.5*(ro(i,l-1)+ro(i,l)) * 100.0 |
roave = 0.5*(ro(i,L-1)+ro(i,L)) * 100.0 |
593 |
VAI1 = (T(i,lm+1-l)-T(i,lm+2-l))/DZ(i,l)+GOCP |
vai1 = (t(i,Lm+1-L)-t(i,Lm+2-L))/dz(i,L)+gocp |
594 |
|
|
595 |
if( VAI1.lt.0.0 ) then |
if( vai1.lt.0.0 ) then |
596 |
icrilv(i) = 1 |
icrilv(i) = 1 |
597 |
TENSIO(i,l) = 0.0 |
tensio(i,L) = 0.0 |
598 |
goto 130 |
goto 130 |
599 |
endif |
endif |
600 |
|
|
601 |
|
vai2 = 2.0*grav/(t(i,Lm+1-L)+t(i,Lm+2-L)) |
602 |
|
vsqua = vai1*vai2 |
603 |
|
vaisd = sqrt(vsqua) |
604 |
|
|
605 |
VAI2 = 2.0*GRAV/(T(i,lm+1-l)+T(i,lm+2-l)) |
velco = 0.5*( (u(i,Lm+1-L)*ubar(i) + v(i,Lm+1-L)*vbar(i)) |
606 |
VSQUA = VAI1*VAI2 |
. + (u(i,Lm+2-L)*ubar(i) + v(i,Lm+2-L)*vbar(i)) ) |
|
VAISD = SQRT(VSQUA) |
|
|
|
|
|
velco = 0.5*( (u(i,lm+1-l)*ubar(i) + v(i,lm+1-l)*vbar(i)) |
|
|
. + (u(i,lm+2-l)*ubar(i) + v(i,lm+2-l)*vbar(i)) ) |
|
607 |
. / speed(i) |
. / speed(i) |
608 |
|
|
609 |
if( velco.lt.0.0 ) then |
if( velco.lt.0.0 ) then |
610 |
icrilv(i) = 1 |
icrilv(i) = 1 |
611 |
TENSIO(i,l) = 0.0 |
tensio(i,L) = 0.0 |
612 |
goto 130 |
goto 130 |
613 |
endif |
endif |
614 |
|
|
615 |
c Froude number squared |
c Froude number squared |
616 |
c --------------------- |
c --------------------- |
617 |
FRO2 = vaisd/(AKWNMB*ROAVE*VELCO*VELCO*VELCO)*TENSIO(i,l-1) |
fro2 = vaisd/(akwnmb*roave*velco*velco*velco)*tensio(i,L-1) |
618 |
DELUU = u(i,lm+1-l)-u(i,lm+2-l) |
deluu = u(i,Lm+1-L)-u(i,Lm+2-L) |
619 |
DELVV = v(i,lm+1-l)-v(i,lm+2-l) |
delvv = v(i,Lm+1-L)-v(i,Lm+2-L) |
620 |
DELVE2 = ( DELUU*DELUU + DELVV*DELVV ) |
delve2 = ( deluu*deluu + delvv*delvv ) |
621 |
|
|
622 |
c Compute Richarson Number |
c Compute Richarson Number |
623 |
c ------------------------ |
c ------------------------ |
624 |
if( DELVE2.ne.0.0 ) then |
if( delve2.ne.0.0 ) then |
625 |
DELZ = DZ(i,l) |
delz = dz(i,L) |
626 |
RICHSN = DELZ*DELZ*VSQUA/DELVE2 |
richsn = delz*delz*vsqua/delve2 |
627 |
else |
else |
628 |
RICHSN = 99999.0 |
richsn = 99999.0 |
629 |
endif |
endif |
630 |
|
|
631 |
if( RICHSN.le.0.25 ) then |
if( richsn.le.0.25 ) then |
632 |
TENSIO(i,l) = 0.0 |
tensio(i,L) = 0.0 |
633 |
icrilv(i) = 1 |
icrilv(i) = 1 |
634 |
goto 130 |
goto 130 |
635 |
endif |
endif |
636 |
|
|
637 |
c Stress in Layer changes if the local Froude number |
c Stress in Layer changes if the local Froude number |
638 |
c exceeds the Critical Froude number |
c exceeds the Critical Froude number |
639 |
c ---------------------------------- |
c ---------------------------------- |
640 |
CRIFRO = 1.0 - 0.25/RICHSN |
crifro = 1.0 - 0.25/richsn |
641 |
CRIF2 = CRIFRO*CRIFRO |
crif2 = crifro*crifro |
|
|
|
|
if( FRO2.ge.CRIF2 ) then |
|
|
TENSIO(i,l) = CRIF2/FRO2*TENSIO(i,l-1) |
|
|
else |
|
|
TENSIO(i,l) = TENSIO(i,l-1) |
|
|
endif |
|
642 |
|
|
643 |
130 continue |
if( fro2.ge.crif2 ) then |
644 |
XTENS(i,l) = TENSIO(i,l)*COS(ang(i)) |
tensio(i,L) = crif2/fro2*tensio(i,L-1) |
645 |
YTENS(i,l) = TENSIO(i,l)*SIN(ang(i)) |
else |
646 |
enddo |
tensio(i,L) = tensio(i,L-1) |
647 |
|
endif |
648 |
|
|
649 |
|
130 continue |
650 |
|
xtens(i,L) = tensio(i,L)*cos(ang(i)) |
651 |
|
ytens(i,L) = tensio(i,L)*sin(ang(i)) |
652 |
|
enddo |
653 |
enddo |
enddo |
654 |
|
|
655 |
C ****************************************************** |
C ****************************************************** |
657 |
C ****************************************************** |
C ****************************************************** |
658 |
|
|
659 |
do i = 1,irun |
do i = 1,irun |
660 |
do l = nthin(i)+1,lm |
do l = nthin(i)+1,Lm |
661 |
coef = -grav*ple(i,lm+1)/dpres(i,lm+1-l) |
coef = -grav*ple(i,Lm+1)/dpres(i,Lm+1-L) |
662 |
dudt(i,lm+1-l) = coef*(XTENS(i,l+1)-XTENS(i,l)) |
dudt(i,Lm+1-L) = coef*(xtens(i,L+1)-xtens(i,L)) |
663 |
dvdt(i,lm+1-l) = coef*(YTENS(i,l+1)-YTENS(i,l)) |
dvdt(i,Lm+1-L) = coef*(ytens(i,L+1)-ytens(i,L)) |
664 |
enddo |
enddo |
665 |
enddo |
enddo |
666 |
|
|
667 |
c Momentum change near the surface |
c Momentum change near the surface |
668 |
c -------------------------------- |
c -------------------------------- |
669 |
do i = 1,irun |
do i = 1,irun |
670 |
coef = grav*ple(i,lm+1)/(ple(i,lm+1-nthin(i))-ple(i,lm+1)) |
coef = grav*ple(i,Lm+1)/(ple(i,Lm+1-nthin(i))-ple(i,Lm+1)) |
671 |
dudt(i,lm) = coef*(XTENS(i,nthin(i)+1)-XTENS(i,1)) |
dudt(i,Lm) = coef*(xtens(i,nthin(i)+1)-xtens(i,1)) |
672 |
dvdt(i,lm) = coef*(YTENS(i,nthin(i)+1)-YTENS(i,1)) |
dvdt(i,Lm) = coef*(ytens(i,nthin(i)+1)-ytens(i,1)) |
673 |
enddo |
enddo |
674 |
|
|
675 |
c If Lowest layer is very thin, it is strapped to next layer |
c If Lowest layer is very thin, it is strapped to next layer |
676 |
c ---------------------------------------------------------- |
c ---------------------------------------------------------- |
677 |
do i = 1,irun |
do i = 1,irun |
678 |
if( nthin(i).gt.1 ) then |
if( nthin(i).gt.1 ) then |
679 |
do l = 2,nthin(i) |
do l = 2,nthin(i) |
680 |
dudt(i,lm+1-l) = dudt(i,lm) |
dudt(i,Lm+1-L) = dudt(i,Lm) |
681 |
dvdt(i,lm+1-l) = dvdt(i,lm) |
dvdt(i,Lm+1-L) = dvdt(i,Lm) |
682 |
enddo |
enddo |
683 |
endif |
endif |
684 |
enddo |
enddo |
685 |
|
|
686 |
c Convert Units to (m/sec**2) |
c Convert Units to (m/sec**2) |
687 |
c --------------------------- |
c --------------------------- |
688 |
do l = 1,lm |
do l = 1,Lm |
689 |
do i = 1,irun |
do i = 1,irun |
690 |
dudt(i,l) = - dudt(i,l)/ps(i)*0.01 |
dudt(i,L) = - dudt(i,L)/ps(i)*0.01 |
691 |
dvdt(i,l) = - dvdt(i,l)/ps(i)*0.01 |
dvdt(i,L) = - dvdt(i,L)/ps(i)*0.01 |
692 |
enddo |
enddo |
693 |
enddo |
enddo |
694 |
|
|