1 |
C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_generic.F,v 1.19 2014/09/29 16:47:50 gforget Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "ECCO_OPTIONS.h" |
5 |
|
6 |
|
7 |
subroutine cost_generic( |
8 |
& nnzbar, localbarfile, localbar, xx_localbar_mean_dummy, |
9 |
& nnzobs, localobsfile, mult_local, |
10 |
& nrecloc, localstartdate, localperiod, |
11 |
& ylocmask, localweight, |
12 |
& spminloc, spmaxloc, spzeroloc, preproc, |
13 |
& objf_local, num_local, |
14 |
& myiter, mytime, mythid ) |
15 |
|
16 |
c ================================================================== |
17 |
c SUBROUTINE cost_generic |
18 |
c ================================================================== |
19 |
c |
20 |
c o Generic routine for evaluating time-dependent |
21 |
c cost function contribution |
22 |
c |
23 |
c ================================================================== |
24 |
c SUBROUTINE cost_generic |
25 |
c ================================================================== |
26 |
|
27 |
implicit none |
28 |
|
29 |
c == global variables == |
30 |
|
31 |
#include "EEPARAMS.h" |
32 |
#include "SIZE.h" |
33 |
#include "PARAMS.h" |
34 |
#include "GRID.h" |
35 |
#ifdef ALLOW_CAL |
36 |
# include "cal.h" |
37 |
#endif |
38 |
#ifdef ALLOW_ECCO |
39 |
# include "ecco.h" |
40 |
#endif |
41 |
#ifdef ALLOW_SEAICE |
42 |
# include "SEAICE_COST.h" |
43 |
#endif |
44 |
|
45 |
c == routine arguments == |
46 |
|
47 |
integer nnzbar |
48 |
integer nnzobs |
49 |
integer nrecloc |
50 |
integer myiter |
51 |
integer mythid |
52 |
integer localstartdate(4) |
53 |
|
54 |
_RL localbar (1-olx:snx+olx,1-oly:sny+oly,nnzbar,nsx,nsy) |
55 |
_RL localweight(1-olx:snx+olx,1-oly:sny+oly,nnzobs,nsx,nsy) |
56 |
_RL xx_localbar_mean_dummy |
57 |
_RL mult_local |
58 |
_RL mytime |
59 |
_RL localperiod |
60 |
_RL spminloc |
61 |
_RL spmaxloc |
62 |
_RL spzeroloc |
63 |
_RL objf_local(nsx,nsy) |
64 |
_RL num_local(nsx,nsy) |
65 |
|
66 |
character*(1) ylocmask |
67 |
character*(MAX_LEN_FNAM) localbarfile |
68 |
character*(MAX_LEN_FNAM) localobsfile |
69 |
character*(8) preproc |
70 |
|
71 |
c == local variables == |
72 |
|
73 |
integer bi,bj |
74 |
integer i,j,k |
75 |
integer itlo,ithi |
76 |
integer jtlo,jthi |
77 |
integer jmin,jmax |
78 |
integer imin,imax |
79 |
integer irec |
80 |
integer il |
81 |
integer localrec |
82 |
integer obsrec |
83 |
|
84 |
logical doglobalread |
85 |
logical ladinit |
86 |
|
87 |
_RL spval |
88 |
parameter (spval = -9999. ) |
89 |
_RL localwww |
90 |
_RL localcost |
91 |
_RL junk |
92 |
|
93 |
_RL localmask (1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
94 |
_RL localobs (1-olx:snx+olx,1-oly:sny+oly,nnzobs,nsx,nsy) |
95 |
_RL cmask (1-olx:snx+olx,1-oly:sny+oly,nnzobs) |
96 |
|
97 |
character*(128) fname1, fname2 |
98 |
|
99 |
cnew( |
100 |
_RL daytime |
101 |
_RL diffsecs |
102 |
integer dayiter |
103 |
integer daydate(4) |
104 |
integer difftime(4) |
105 |
integer tempDate_1 |
106 |
integer middate(4) |
107 |
integer yday, ymod |
108 |
integer md, dd, sd, ld, wd |
109 |
integer mody, modm |
110 |
integer beginmodel, beginlocal |
111 |
logical exst |
112 |
cnew) |
113 |
|
114 |
c == external functions == |
115 |
|
116 |
integer ilnblnk |
117 |
external ilnblnk |
118 |
|
119 |
c == end of interface == |
120 |
|
121 |
jtlo = mybylo(mythid) |
122 |
jthi = mybyhi(mythid) |
123 |
itlo = mybxlo(mythid) |
124 |
ithi = mybxhi(mythid) |
125 |
jmin = 1 |
126 |
jmax = sny |
127 |
imin = 1 |
128 |
imax = snx |
129 |
|
130 |
c-- Initialise local variables. |
131 |
|
132 |
localwww = 0. _d 0 |
133 |
|
134 |
do bj = jtlo,jthi |
135 |
do bi = itlo,ithi |
136 |
objf_local(bi,bj) = 0. _d 0 |
137 |
num_local(bi,bj) = 0. _d 0 |
138 |
do k = 1,nnzobs |
139 |
do j = jmin,jmax |
140 |
do i = imin,imax |
141 |
localobs(i,j,k,bi,bj) = 0. _d 0 |
142 |
enddo |
143 |
enddo |
144 |
enddo |
145 |
enddo |
146 |
enddo |
147 |
|
148 |
c-- Assign mask |
149 |
do bj = jtlo,jthi |
150 |
do bi = itlo,ithi |
151 |
do k = 1,Nr |
152 |
do j = 1-oly,sny+oly |
153 |
do i = 1-olx,snx+olx |
154 |
if ( ylocmask .EQ. 'C' .OR. ylocmask .EQ. 'c' ) then |
155 |
localmask(i,j,k,bi,bj) = maskC(i,j,k,bi,bj) |
156 |
elseif ( ylocmask .EQ. 'S' .OR. ylocmask .EQ. 's' ) then |
157 |
localmask(i,j,k,bi,bj) = maskS(i,j,k,bi,bj) |
158 |
elseif ( ylocmask .EQ. 'W' .OR. ylocmask .EQ. 'w' ) then |
159 |
localmask(i,j,k,bi,bj) = maskW(i,j,k,bi,bj) |
160 |
else |
161 |
STOP 'cost_generic: wrong ylocmask' |
162 |
endif |
163 |
enddo |
164 |
enddo |
165 |
enddo |
166 |
enddo |
167 |
enddo |
168 |
|
169 |
c-- First, read tiled data. |
170 |
doglobalread = .false. |
171 |
ladinit = .false. |
172 |
|
173 |
write(fname1(1:128),'(80a)') ' ' |
174 |
il=ilnblnk( localbarfile ) |
175 |
write(fname1(1:128),'(2a,i10.10)') |
176 |
& localbarfile(1:il),'.',eccoiter |
177 |
|
178 |
cgf here nrecloc will be updated based upon preproc |
179 |
|
180 |
if ( .NOT. ( localobsfile.EQ.' ' ) ) then |
181 |
|
182 |
c-- Loop over records for the second time. |
183 |
do irec = 1, nrecloc |
184 |
|
185 |
call cost_genread( fname1, localbar, irec, doglobalread, |
186 |
& ladinit, eccoiter, nnzbar, preproc, |
187 |
& mythid, xx_localbar_mean_dummy ) |
188 |
|
189 |
cnew( |
190 |
if ( localperiod .EQ. 86400. ) then |
191 |
c-- assume daily fields |
192 |
obsrec = irec |
193 |
daytime = FLOAT(secondsperday*(irec-1)) + modelstart |
194 |
dayiter = hoursperday*(irec-1) + modeliter0 |
195 |
call cal_getdate( dayiter, daytime, daydate, mythid ) |
196 |
call cal_convdate( daydate,yday,md,dd,sd,ld,wd,mythid ) |
197 |
ymod = localstartdate(1)/10000 |
198 |
do k=1,4 |
199 |
middate(k)=0 |
200 |
enddo |
201 |
tempDate_1 = yday*10000+100+1 |
202 |
if ( ymod .GE. yday ) then |
203 |
call cal_FullDate( localstartdate(1), 0, middate, mythid) |
204 |
else |
205 |
call cal_FullDate( tempDate_1, 0, middate, mythid) |
206 |
endif |
207 |
call cal_TimePassed( middate, daydate, difftime, mythid ) |
208 |
call cal_ToSeconds( difftime, diffsecs, mythid ) |
209 |
c localrec = floor(diffsecs/localperiod) + 1 |
210 |
localrec = int(diffsecs/localperiod) + 1 |
211 |
else |
212 |
c-- assume monthly fields |
213 |
beginlocal = localstartdate(1)/10000 |
214 |
beginmodel = modelstartdate(1)/10000 |
215 |
obsrec = |
216 |
& ( beginmodel - beginlocal )*nmonthyear |
217 |
& + ( mod(modelstartdate(1)/100,100) |
218 |
& -mod(localstartdate(1)/100,100) ) |
219 |
& + irec |
220 |
mody = modelstartdate(1)/10000 |
221 |
modm = modelstartdate(1)/100 - mody*100 |
222 |
yday = mody + INT((modm-1+irec-1)/12) |
223 |
localrec = 1 + MOD(modm-1+irec-1,12) |
224 |
endif |
225 |
|
226 |
il=ilnblnk(localobsfile) |
227 |
write(fname2(1:128),'(2a,i4)') |
228 |
& localobsfile(1:il), '_', yday |
229 |
inquire( file=fname2, exist=exst ) |
230 |
if ( (.NOT. exst).AND.( localperiod .NE. 86400. ) ) then |
231 |
write(fname2(1:128),'(a)') localobsfile(1:il) |
232 |
inquire( file=fname2, exist=exst ) |
233 |
#ifndef COST_GENERIC_ASSUME_CYCLIC |
234 |
c assume we have one big file, one year after the other |
235 |
localrec = obsrec |
236 |
c otherwise assume climatology, used for each year |
237 |
#endif |
238 |
endif |
239 |
|
240 |
if ( (localrec .GT. 0).AND.(obsrec .GT. 0).AND.(exst) ) then |
241 |
call mdsreadfield( fname2, cost_iprec, cost_yftype, nnzobs, |
242 |
& localobs, localrec, mythid ) |
243 |
else |
244 |
do bj = jtlo,jthi |
245 |
do bi = itlo,ithi |
246 |
do k = 1,nnzobs |
247 |
do j = jmin,jmax |
248 |
do i = imin,imax |
249 |
localobs(i,j,k,bi,bj) = spval |
250 |
enddo |
251 |
enddo |
252 |
enddo |
253 |
enddo |
254 |
enddo |
255 |
endif |
256 |
cnew) |
257 |
|
258 |
do bj = jtlo,jthi |
259 |
do bi = itlo,ithi |
260 |
|
261 |
localcost = 0. _d 0 |
262 |
|
263 |
c-- Determine the mask on weights |
264 |
do k = 1,nnzobs |
265 |
do j = jmin,jmax |
266 |
do i = imin,imax |
267 |
#ifdef ALLOW_OLD_ESTIM_CODES |
268 |
cmask(i,j,k) = cosphi(i,j,bi,bj)*localmask(i,j,k,bi,bj) |
269 |
#else |
270 |
cmask(i,j,k) = localmask(i,j,k,bi,bj) |
271 |
#endif |
272 |
if ( localobs(i,j,k,bi,bj) .lt. spminloc .or. |
273 |
& localobs(i,j,k,bi,bj) .gt. spmaxloc .or. |
274 |
& localobs(i,j,k,bi,bj) .eq. spzeroloc ) then |
275 |
cmask(i,j,k) = 0. _d 0 |
276 |
endif |
277 |
enddo |
278 |
enddo |
279 |
enddo |
280 |
c-- |
281 |
do k = 1,nnzobs |
282 |
do j = jmin,jmax |
283 |
do i = imin,imax |
284 |
localwww = localweight(i,j,k,bi,bj)*cmask(i,j,k) |
285 |
junk = ( localbar(i,j,k,bi,bj) - |
286 |
& localobs(i,j,k,bi,bj) ) |
287 |
localcost = localcost + junk*junk*localwww |
288 |
if ( localwww .ne. 0. ) |
289 |
& num_local(bi,bj) = num_local(bi,bj) + 1. _d 0 |
290 |
enddo |
291 |
enddo |
292 |
enddo |
293 |
|
294 |
objf_local(bi,bj) = objf_local(bi,bj) + localcost |
295 |
|
296 |
enddo |
297 |
enddo |
298 |
|
299 |
enddo |
300 |
c-- End of second loop over records. |
301 |
|
302 |
c-- End of localobsfile |
303 |
endif |
304 |
|
305 |
end |