1 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/update_ocean_exports.F,v 1.24 2007/03/12 21:53:14 molod Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "FIZHI_OPTIONS.h" |
5 |
subroutine update_ocean_exports (myTime, myIter, myThid) |
6 |
c---------------------------------------------------------------------- |
7 |
c Subroutine update_ocean_exports - 'Wrapper' routine to update |
8 |
c the fields related to the ocean's surface that are needed |
9 |
c by fizhi (sst and sea ice extent). |
10 |
c |
11 |
c Call: getsst (Return the current sst field-read dataset if needed) |
12 |
c getsice (Return the current sea ice field-read data if needed) |
13 |
c----------------------------------------------------------------------- |
14 |
implicit none |
15 |
#include "SIZE.h" |
16 |
#include "GRID.h" |
17 |
#include "fizhi_ocean_coms.h" |
18 |
#include "EEPARAMS.h" |
19 |
#include "chronos.h" |
20 |
#ifdef ALLOW_EXCH2 |
21 |
#include "W2_EXCH2_TOPOLOGY.h" |
22 |
#include "W2_EXCH2_PARAMS.h" |
23 |
#endif /* ALLOW_EXCH2 */ |
24 |
|
25 |
integer myIter, myThid |
26 |
_RL myTime |
27 |
|
28 |
integer i, j, bi, bj, bislot, bjslot |
29 |
integer im1, im2, jm1, jm2, idim1, idim2, jdim1, jdim2 |
30 |
integer xsize, ysize |
31 |
_RL sstmin |
32 |
parameter ( sstmin = 273.16 ) |
33 |
|
34 |
#if defined(ALLOW_EXCH2) |
35 |
PARAMETER ( xsize = exch2_domain_nxt * sNx ) |
36 |
PARAMETER ( ysize = exch2_domain_nyt * sNy ) |
37 |
#else |
38 |
PARAMETER ( xsize = Nx ) |
39 |
PARAMETER ( ysize = Ny ) |
40 |
#endif |
41 |
_RL sst1(xsize,ysize),sst2(xsize,ysize) |
42 |
_RL sice1(xsize,ysize),sice2(xsize,ysize) |
43 |
integer nymd1sst(nSx,nSy),nymd2sst(nSx,nSy) |
44 |
integer nymd1sice(nSx,nSy),nymd2sice(nSx,nSy) |
45 |
integer nhms1sst(nSx,nSy),nhms2sst(nSx,nSy) |
46 |
integer nhms1sice(nSx,nSy),nhms2sice(nSx,nSy) |
47 |
integer sstdates(370,nSx,nSy),sicedates(370,nSx,nSy) |
48 |
integer ssttimes(370,nSx,nSy),sicetimes(370,nSx,nSy) |
49 |
logical first(nSx,nSy) |
50 |
integer nSxnSy |
51 |
parameter(nSxnSy = nSx*nSy) |
52 |
data first/nSxnSy*.true./ |
53 |
|
54 |
save nymd1sst,nymd2sst,nymd1sice,nymd2sice |
55 |
save nhms1sst,nhms2sst,nhms1sice,nhms2sice |
56 |
save sst1, sst2, sice1, sice2 |
57 |
save sstdates, sicedates |
58 |
save ssttimes, sicetimes |
59 |
|
60 |
idim1 = 1-OLx |
61 |
idim2 = sNx+OLx |
62 |
jdim1 = 1-OLy |
63 |
jdim2 = sNy+OLy |
64 |
im1 = 1 |
65 |
im2 = sNx |
66 |
jm1 = 1 |
67 |
jm2 = sNy |
68 |
|
69 |
C*********************************************************************** |
70 |
|
71 |
DO BJ = myByLo(myThid),myByHi(myThid) |
72 |
DO BI = myBxLo(myThid),myBxHi(myThid) |
73 |
#if defined(ALLOW_EXCH2) |
74 |
bislot = exch2_txglobalo(W2_myTileList(bi))-1 |
75 |
bjslot = exch2_tyglobalo(W2_myTileList(bi))-1 |
76 |
#else |
77 |
bislot = myXGlobalLo-1+(bi-1)*sNx |
78 |
bjslot = myYGlobalLo-1+(bj-1)*sNy |
79 |
#endif |
80 |
|
81 |
call getsst(ksst,sstclim,idim1,idim2,jdim1,jdim2,im1,im2, |
82 |
. jm1,jm2,nSx,nSy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, |
83 |
. sst1,sst2,first(bi,bj),nymd1sst(bi,bj),nymd2sst(bi,bj), |
84 |
. nhms1sst(bi,bj),nhms2sst(bi,bj),sstdates(1,bi,bj), |
85 |
. ssttimes(1,bi,bj),sst,myThid) |
86 |
call getsice(kice,siceclim,idim1,idim2,jdim1,jdim2,im1,im2, |
87 |
. jm1,jm2,nSx,nSy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, |
88 |
. sice1,sice2,first(bi,bj),nymd1sice(bi,bj),nymd2sice(bi,bj), |
89 |
. nhms1sice(bi,bj),nhms2sice(bi,bj),sicedates(1,bi,bj), |
90 |
. sicetimes(1,bi,bj),sice,myThid) |
91 |
|
92 |
c Check for Minimum Open-Water SST |
93 |
c -------------------------------- |
94 |
do j=jm1,jm2 |
95 |
do i=im1,im2 |
96 |
if(sice(i,j,bi,bj).eq.0.0 .and. sst(i,j,bi,bj).lt.sstmin) |
97 |
. sst(i,j,bi,bj) = sstmin |
98 |
enddo |
99 |
enddo |
100 |
|
101 |
ENDDO |
102 |
ENDDO |
103 |
_EXCH_XY_R8(sst,myThid) |
104 |
_EXCH_XY_R8(sice,myThid) |
105 |
|
106 |
return |
107 |
end |
108 |
|
109 |
subroutine getsice(iunit,clim,idim1,idim2,jdim1,jdim2,im1,im2, |
110 |
. jm1,jm2,nSumx,nSumy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, |
111 |
. sicebc1,sicebc2,first,nymdbc1,nymdbc2,nhmsbc1,nhmsbc2, |
112 |
. nymdbc,nhmsbc,sice,mythid) |
113 |
C*********************************************************************** |
114 |
C |
115 |
C!ROUTINE: GETSICE |
116 |
C!DESCRIPTION: GETSICE returns the sea ice depth. |
117 |
C! This routine is adaptable for any frequency |
118 |
C! data upto a daily frequency. |
119 |
C! note: for diurnal data ndmax should be increased. |
120 |
C |
121 |
C!INPUT PARAMETERS: |
122 |
C! iunit Unit number assigned to the sice data file |
123 |
C! idim1 Start dimension in x-direction |
124 |
C! idim2 End dimension in x-direction |
125 |
C! jdim1 Start dimension in y-direction |
126 |
C! jdim2 End dimension in y-direction |
127 |
C! im1 Begin of x-direction span for filling sice |
128 |
C! im2 End of x-direction span for filling sice |
129 |
C! jm1 Begin of y-direction span for filling sice |
130 |
C! jm2 End of y-direction span for filling sice |
131 |
C! nSumx Number of processors in x-direction (local processor) |
132 |
C! nSumy Number of processors in y-direction (local processor) |
133 |
C! xsize Number of processors in x-direction (global) |
134 |
C! ysize Number of processors in y-direction (global) |
135 |
C! bi Processor number in x-direction (local to processor) |
136 |
C! bj Processor number in y-direction (local to processor) |
137 |
C! bislot Processor number in x-direction (global) |
138 |
C! bjslot Processor number in y-direction (global) |
139 |
C! nymd YYMMDD of the current model timestep |
140 |
C! nhms HHMMSS of the model time |
141 |
C |
142 |
C!OUTPUT PARAMETERS: |
143 |
C! sice(idim1:idim2,jdim1:jdim2,nSumx,nSumy) Sea ice depth in meters |
144 |
C |
145 |
C!ROUTINES CALLED: |
146 |
C |
147 |
C! bcdata Reads the data for a given unit number |
148 |
C! bcheader Reads the header info for a given unit number |
149 |
C! interp_time Returns weights for linear interpolation |
150 |
C |
151 |
C-------------------------------------------------------------------------- |
152 |
|
153 |
implicit none |
154 |
#include "SIZE.h" |
155 |
|
156 |
integer iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSumx,nSumy |
157 |
integer xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms,mythid |
158 |
logical clim |
159 |
|
160 |
_RL sicebc1(xsize,ysize) |
161 |
_RL sicebc2(xsize,ysize) |
162 |
_RL sice(idim1:idim2,jdim1:jdim2,nSumx,nSumy) |
163 |
integer nhmsbc1,nhmsbc2,nymdbc1,nymdbc2 |
164 |
logical first |
165 |
|
166 |
C Maximum number of dates in one year for the data |
167 |
integer ndmax |
168 |
parameter (ndmax = 370) |
169 |
integer nymdbc(ndmax),nhmsbc(ndmax) |
170 |
|
171 |
character*8 cname |
172 |
character*80 cdscrip |
173 |
character*40 sicedata |
174 |
_RL fac1, fac2, lat0, lon0, timebc1, timebc2, timemod, undef |
175 |
logical found, error |
176 |
integer i,j,n,nn,iyear,iyearbc,nd,ndby3,imbc,jmbc |
177 |
integer ndatebc,nrec |
178 |
integer nymdmod |
179 |
|
180 |
|
181 |
C--------- Variable Initialization --------------------------------- |
182 |
|
183 |
data error /.false./ |
184 |
|
185 |
c save header info |
186 |
save imbc,jmbc,lat0,lon0,ndatebc,undef |
187 |
|
188 |
c this only works for between 1950-2050 |
189 |
if (nymd .lt. 500101) then |
190 |
nymdmod = 20000000 + nymd |
191 |
else if (nymd .le. 991231) then |
192 |
nymdmod = 19000000 + nymd |
193 |
else |
194 |
nymdmod = nymd |
195 |
endif |
196 |
|
197 |
sicedata='sice19232.weekly.clim' |
198 |
|
199 |
c initialize so that first time through they have values for the check |
200 |
c these values make the iyear .ne. iyearbc true anyways for |
201 |
c for the first time so first isnt checked below. |
202 |
|
203 |
if (first) then |
204 |
nymdbc(2) = 0 |
205 |
nymdbc1 = 0 |
206 |
nymdbc2 = 0 |
207 |
nhmsbc1 = 0 |
208 |
nhmsbc2 = 0 |
209 |
first = .false. |
210 |
endif |
211 |
|
212 |
C---------- Read in Header file ---------------------------------- |
213 |
|
214 |
iyear = nymdmod/10000 |
215 |
iyearbc = nymdbc(2)/10000 |
216 |
|
217 |
if( iyear.ne.iyearbc ) then |
218 |
|
219 |
close(iunit) |
220 |
open (iunit,file=sicedata,form='unformatted',access='direct', |
221 |
. recl=xsize*ysize*4) |
222 |
nrec = 1 |
223 |
call bcheader (iunit, ndmax, nrec, |
224 |
. cname, cdscrip, imbc, jmbc, lat0, lon0, |
225 |
. ndatebc, nymdbc, nhmsbc, undef, error) |
226 |
|
227 |
C--------- Check data for Compatibility ------------------------------ |
228 |
|
229 |
C Check for correct data in boundary condition file |
230 |
if (.not.error .and. cname.ne.'SICE') then |
231 |
write(6,*)'Wrong data in SICE boundary condition file => ',cname |
232 |
error = .true. |
233 |
endif |
234 |
|
235 |
C Check Horizontal Resolution |
236 |
if(.not.error.and.imbc*jmbc.ne.xsize*ysize)then |
237 |
write(6,*) ' B.C. Resolution DOES NOT match Model Resolution!' |
238 |
write(6,*) ' B.C. Resolution: ',imbc*jmbc |
239 |
write(6,*) 'Model Resolution: ',xsize*ysize |
240 |
error = .true. |
241 |
endif |
242 |
|
243 |
C Check Year |
244 |
iyearbc = nymdbc(2)/10000 |
245 |
if (.not.error .and. iyear.ne.iyearbc .and. iyearbc.ne.0) then |
246 |
write(6,*)' B.C. Year DOES NOT match REQUESTED Year!' |
247 |
write(6,*)' B.C. Year: ', iyearbc |
248 |
write(6,*)'Requested Year: ', iyear |
249 |
error = .true. |
250 |
endif |
251 |
|
252 |
if (.not.error) then |
253 |
C if climatology, fill dates for data with current model year |
254 |
if (iyearbc.eq.0) then |
255 |
write(6,*) |
256 |
write(6,*) 'Climatological Dataset is being used.' |
257 |
write(6,*) 'Current model year to be used to fill Header Dates' |
258 |
do n = 2, ndatebc-1 |
259 |
nymdbc(n) = nymdbc(n) +(nymdmod/10000)*10000 |
260 |
enddo |
261 |
C For the first date subtract 1 year from the current model NYMD |
262 |
n = 1 |
263 |
nymdbc(n) = nymdbc(n) +(nymdmod/10000-1)*10000 |
264 |
C For the last date add 1 year to the current model NYMD |
265 |
n = ndatebc |
266 |
nymdbc(n) = nymdbc(n) +(nymdmod/10000+1)*10000 |
267 |
endif |
268 |
|
269 |
C Write out header info |
270 |
_BEGIN_MASTER( myThid ) |
271 |
write(6,*) ' Updated boundary condition data' |
272 |
write(6,*) ' ---------------------------------' |
273 |
write(6,*) ' Variable: ',cname |
274 |
write(6,*) ' Description: ',cdscrip |
275 |
write(6,*) ' Resolution: x= ',imbc,' y= ',jmbc, |
276 |
. ' Undefined value = ',undef |
277 |
write(6,*) ' Starting latitude = ',lat0,' longitude =',lon0 |
278 |
write(6,*) ' Data valid at these times: ' |
279 |
ndby3 = ndatebc/3 |
280 |
do n = 1, ndby3*3,3 |
281 |
write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=n,n+2) |
282 |
1000 format(3(2x,i3,':',i8,2x,i8)) |
283 |
enddo |
284 |
write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=ndby3*3+1,ndatebc) |
285 |
_END_MASTER( myThid ) |
286 |
endif |
287 |
|
288 |
endif |
289 |
|
290 |
C---------- Read sice data if necessary ------------------------------- |
291 |
|
292 |
found = .false. |
293 |
nd = 2 |
294 |
|
295 |
c If model time is not within the times of saved sice data |
296 |
c from previous call to getsice then read new data |
297 |
|
298 |
timemod = dfloat(nymdmod) + dfloat(nhms) /1000000 |
299 |
timebc1 = dfloat(nymdbc1) + dfloat(nhmsbc1)/1000000 |
300 |
timebc2 = dfloat(nymdbc2) + dfloat(nhmsbc2)/1000000 |
301 |
|
302 |
if (timemod .lt. timebc1 .or. timemod .ge. timebc2) then |
303 |
|
304 |
do while (.not.found .and. nd .le. ndatebc) |
305 |
timebc2 = dfloat(nymdbc(nd)) + dfloat(nhmsbc(nd))/1000000 |
306 |
if (timebc2 .gt. timemod) then |
307 |
nymdbc1 = nymdbc(nd-1) |
308 |
nymdbc2 = nymdbc(nd) |
309 |
nhmsbc1 = nhmsbc(nd-1) |
310 |
nhmsbc2 = nhmsbc(nd) |
311 |
call bcdata (iunit,imbc,jmbc,nd,nd+1,sicebc1,sicebc2) |
312 |
found = .true. |
313 |
else |
314 |
nd = nd + 1 |
315 |
endif |
316 |
enddo |
317 |
|
318 |
c Otherwise the data from the last time in getsice surrounds the |
319 |
c current model time. |
320 |
|
321 |
else |
322 |
found = .true. |
323 |
endif |
324 |
|
325 |
if (.not.found) then |
326 |
print *, 'STOP: Could not find SICE dates for model time.' |
327 |
call my_finalize |
328 |
call my_exit (101) |
329 |
endif |
330 |
|
331 |
C---------- Interpolate sice data ------------------------------------ |
332 |
|
333 |
call interp_time(nymdmod,nhms,nymdbc1,nhmsbc1,nymdbc2,nhmsbc2, |
334 |
. fac1,fac2) |
335 |
|
336 |
do j = jm1,jm2 |
337 |
do i = im1,im2 |
338 |
sice(i,j,bi,bj) = sicebc1(i+bislot,j+bjslot)*fac1 |
339 |
. + sicebc2(i+bislot,j+bjslot)*fac2 |
340 |
c average to 0 or 1 |
341 |
c ----------------- |
342 |
if (sice(i,j,bi,bj) .ge. 0.5) then |
343 |
sice(i,j,bi,bj) = 1. |
344 |
else |
345 |
sice(i,j,bi,bj) = 0. |
346 |
endif |
347 |
enddo |
348 |
enddo |
349 |
|
350 |
C---------- Fill sice with depth of ice ------------------------------------ |
351 |
do j = jm1,jm2 |
352 |
do i = im1,im2 |
353 |
if (sice(i,j,bi,bj) .eq. 1.) then |
354 |
sice(i,j,bi,bj) = 3. |
355 |
endif |
356 |
enddo |
357 |
enddo |
358 |
C--------------------------------------------------------------------------- |
359 |
|
360 |
return |
361 |
end |
362 |
subroutine getsst(iunit,clim,idim1,idim2,jdim1,jdim2,im1,im2, |
363 |
. jm1,jm2,nSumx,nSumy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, |
364 |
. sstbc1,sstbc2,first,nymdbc1,nymdbc2,nhmsbc1,nhmsbc2, |
365 |
. nymdbc,nhmsbc,sst,mythid) |
366 |
C*********************************************************************** |
367 |
C |
368 |
C!ROUTINE: GETSST |
369 |
C!DESCRIPTION: GETSST gets the SST data. |
370 |
C! This routine is adaptable for any frequency |
371 |
C! data upto a daily frequency. |
372 |
C! note: for diurnal data ndmax should be increased. |
373 |
C |
374 |
C!INPUT PARAMETERS: |
375 |
C! iunit Unit number assigned to the sice data file |
376 |
C! idim1 Start dimension in x-direction |
377 |
C! idim2 End dimension in x-direction |
378 |
C! jdim1 Start dimension in y-direction |
379 |
C! jdim2 End dimension in y-direction |
380 |
C! im1 Begin of x-direction span for filling sst |
381 |
C! im2 End of x-direction span for filling sst |
382 |
C! jm1 Begin of y-direction span for filling sst |
383 |
C! jm2 End of y-direction span for filling sst |
384 |
C! nSumx Number of processors in x-direction (local processor) |
385 |
C! nSumy Number of processors in y-direction (local processor) |
386 |
C! xsize x-dimension of global array |
387 |
C! ysize y-dimension of global array |
388 |
C! bi Processor number in x-direction (local to processor) |
389 |
C! bj Processor number in y-direction (local to processor) |
390 |
C! bislot Slot number into global array in x-direction (global) |
391 |
C! bjslot Slot number into global array in y-direction (global) |
392 |
C! nymd YYMMDD of the current model timestep |
393 |
C! nhms HHMMSS of the model time |
394 |
C |
395 |
C!OUTPUT PARAMETERS: |
396 |
C! sst(idim1:idim2,jdim1:jdim2,nSumx,nSumy) Sea surface temperature (K) |
397 |
C |
398 |
C!ROUTINES CALLED: |
399 |
C |
400 |
C! bcdata Reads the data for a given unit number |
401 |
C! bcheader Reads the header info for a given unit number |
402 |
C! interp_time Returns weights for linear interpolation |
403 |
C |
404 |
C-------------------------------------------------------------------------- |
405 |
|
406 |
implicit none |
407 |
#include "SIZE.h" |
408 |
|
409 |
integer iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSumx,nSumy |
410 |
integer xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms,mythid |
411 |
logical clim |
412 |
|
413 |
_RL sstbc1(xsize,ysize) |
414 |
_RL sstbc2(xsize,ysize) |
415 |
_RL sst(idim1:idim2,jdim1:jdim2,nSumx,nSumy) |
416 |
integer nhmsbc1,nhmsbc2,nymdbc1,nymdbc2 |
417 |
logical first |
418 |
|
419 |
C Maximum number of dates in one year for the data |
420 |
integer ndmax |
421 |
parameter (ndmax = 370) |
422 |
integer nymdbc(ndmax),nhmsbc(ndmax) |
423 |
|
424 |
character*8 cname |
425 |
character*80 cdscrip |
426 |
character*20 sstdata |
427 |
_RL fac1, fac2, lat0, lon0, timebc1, timebc2, timemod, undef |
428 |
logical found, error |
429 |
integer i,j,n,nn,iyear,iyearbc,nd,ndby3,imbc,jmbc |
430 |
integer ndatebc,nrec |
431 |
integer nymdmod |
432 |
|
433 |
|
434 |
C--------- Variable Initialization --------------------------------- |
435 |
|
436 |
data error /.false./ |
437 |
|
438 |
c save header info |
439 |
save imbc,jmbc,lat0,lon0,ndatebc,undef |
440 |
|
441 |
c this only works for between 1950-2050 |
442 |
if (nymd .lt. 500101) then |
443 |
nymdmod = 20000000 + nymd |
444 |
else if (nymd .le. 991231) then |
445 |
nymdmod = 19000000 + nymd |
446 |
else |
447 |
nymdmod = nymd |
448 |
endif |
449 |
|
450 |
sstdata='sst19232.weekly.clim' |
451 |
|
452 |
c initialize so that first time through they have values for the check |
453 |
c these vaules make the iyear .ne. iyearbc true anyways for |
454 |
c for the first time so first isnt checked below. |
455 |
if (first) then |
456 |
nymdbc(2) = 0 |
457 |
nymdbc1 = 0 |
458 |
nymdbc2 = 0 |
459 |
nhmsbc1 = 0 |
460 |
nhmsbc2 = 0 |
461 |
first = .false. |
462 |
endif |
463 |
|
464 |
C---------- Read in Header file ---------------------------------- |
465 |
|
466 |
iyear = nymdmod/10000 |
467 |
iyearbc = nymdbc(2)/10000 |
468 |
|
469 |
if( iyear.ne.iyearbc ) then |
470 |
|
471 |
close(iunit) |
472 |
open (iunit,file=sstdata,form='unformatted',access='direct', |
473 |
. recl=xsize*ysize*4) |
474 |
nrec = 1 |
475 |
call bcheader (iunit, ndmax, nrec, |
476 |
. cname, cdscrip, imbc, jmbc, lat0, lon0, |
477 |
. ndatebc, nymdbc, nhmsbc, undef, error) |
478 |
|
479 |
C--------- Check data for Compatibility |
480 |
|
481 |
C Check for correct data in boundary condition file |
482 |
if (.not.error .and. cname.ne.'SST') then |
483 |
write(6,*)'Wrong data in SST boundary condition file => ',cname |
484 |
error = .true. |
485 |
endif |
486 |
|
487 |
C Check Horizontal Resolution |
488 |
if(.not.error.and.imbc*jmbc.ne.xsize*ysize)then |
489 |
write(6,*) ' B.C. Resolution DOES NOT match Model Resolution!' |
490 |
write(6,*) ' B.C. Resolution: ',imbc*jmbc |
491 |
write(6,*) 'Model Resolution: ',xsize*ysize |
492 |
error = .true. |
493 |
endif |
494 |
|
495 |
C Check Year |
496 |
iyearbc = nymdbc(2)/10000 |
497 |
if (.not.error .and. iyear.ne.iyearbc .and. iyearbc.ne.0) then |
498 |
write(6,*)' B.C. Year DOES NOT match REQUESTED Year!' |
499 |
write(6,*)' B.C. Year: ', iyearbc |
500 |
write(6,*)'Requested Year: ', iyear |
501 |
error = .true. |
502 |
endif |
503 |
|
504 |
if (.not.error) then |
505 |
C if climatology, fill dates for data with current model year |
506 |
if (iyearbc.eq.0) then |
507 |
write(6,*) |
508 |
write(6,*)'Climatological Dataset is being used.' |
509 |
write(6,*)'Current model year is used to fill Header Dates' |
510 |
do n = 2, ndatebc-1 |
511 |
nymdbc(n) = nymdbc(n) +(nymdmod/10000)*10000 |
512 |
enddo |
513 |
C For the first date subtract 1 year from the current model NYMD |
514 |
n = 1 |
515 |
nymdbc(n) = nymdbc(n) +(nymdmod/10000-1)*10000 |
516 |
C For the last date add 1 year to the current model NYMD |
517 |
n = ndatebc |
518 |
nymdbc(n) = nymdbc(n) +(nymdmod/10000+1)*10000 |
519 |
endif |
520 |
|
521 |
C Write out header info |
522 |
_BEGIN_MASTER( myThid ) |
523 |
write(6,*) ' Updated boundary condition data' |
524 |
write(6,*) ' ---------------------------------' |
525 |
write(6,*) ' Variable: ',cname |
526 |
write(6,*) ' Description: ',cdscrip |
527 |
write(6,*) ' Resolution: x= ',imbc,' y= ',jmbc, |
528 |
. ' Undefined value = ',undef |
529 |
write(6,*) ' Starting latitude = ',lat0,' longitude =',lon0 |
530 |
write(6,*) ' Data valid at these times: ' |
531 |
ndby3 = ndatebc/3 |
532 |
do n = 1, ndby3*3,3 |
533 |
write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=n,n+2) |
534 |
1000 format(3(2x,i3,':',i8,2x,i8)) |
535 |
enddo |
536 |
write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=ndby3*3+1,ndatebc) |
537 |
_END_MASTER( myThid ) |
538 |
endif |
539 |
|
540 |
if( error ) call my_exit (101) |
541 |
|
542 |
endif |
543 |
|
544 |
C---------- Read SST data if necessary ------------------------------- |
545 |
|
546 |
found = .false. |
547 |
nd = 2 |
548 |
|
549 |
c If model time is not within the times of saved sst data |
550 |
c from previous call to getsst then read new data |
551 |
|
552 |
timemod = dfloat(nymdmod) + dfloat(nhms) /1000000 |
553 |
timebc1 = dfloat(nymdbc1) + dfloat(nhmsbc1)/1000000 |
554 |
timebc2 = dfloat(nymdbc2) + dfloat(nhmsbc2)/1000000 |
555 |
|
556 |
if (timemod .lt. timebc1 .or. timemod .ge. timebc2) then |
557 |
|
558 |
do while (.not.found .and. nd .le. ndatebc) |
559 |
timebc2 = dfloat(nymdbc(nd)) + dfloat(nhmsbc(nd))/1000000 |
560 |
if (timebc2 .gt. timemod) then |
561 |
nymdbc1 = nymdbc(nd-1) |
562 |
nymdbc2 = nymdbc(nd) |
563 |
nhmsbc1 = nhmsbc(nd-1) |
564 |
nhmsbc2 = nhmsbc(nd) |
565 |
call bcdata (iunit,imbc,jmbc,nd,nd+1,sstbc1,sstbc2) |
566 |
found = .true. |
567 |
else |
568 |
nd = nd + 1 |
569 |
endif |
570 |
enddo |
571 |
|
572 |
c Otherwise the data from the last time in getsst surrounds the |
573 |
c current model time. |
574 |
|
575 |
else |
576 |
found = .true. |
577 |
endif |
578 |
|
579 |
if (.not.found) then |
580 |
print *, 'STOP: Could not find SST dates for model time.' |
581 |
call my_finalize |
582 |
call my_exit (101) |
583 |
endif |
584 |
|
585 |
C---------- Interpolate SST data ------------------------------------ |
586 |
|
587 |
call interp_time(nymdmod,nhms,nymdbc1,nhmsbc1,nymdbc2,nhmsbc2, |
588 |
. fac1,fac2) |
589 |
|
590 |
do j = jm1,jm2 |
591 |
do i = im1,im2 |
592 |
sst(i,j,bi,bj) = sstbc1(i+bislot,j+bjslot)*fac1 |
593 |
. + sstbc2(i+bislot,j+bjslot)*fac2 |
594 |
enddo |
595 |
enddo |
596 |
|
597 |
|
598 |
return |
599 |
end |
600 |
|
601 |
subroutine bcdata (iunit,im,jm,nrec1,nrec2,field1,field2) |
602 |
C************************************************************************ |
603 |
C |
604 |
C!ROUTINE: BCDATA |
605 |
C!DESCRIPTION: BCDATA reads the data from the file assigned to the |
606 |
C! passed unit number and returns data from the two times |
607 |
C! surrounding the current model time. The two record |
608 |
C! postitions are not assumed to be next to each other. |
609 |
C |
610 |
C!INPUT PARAMETERS: |
611 |
C! im number of x points |
612 |
C! im number of x points |
613 |
C! nrec1 record number of the time before the model time |
614 |
C! nrec2 record number of the time after the model time |
615 |
C |
616 |
C!OUTPUT PARAMETERS: |
617 |
C! field1(im,jm) data field before the model time |
618 |
C! field2(im,jm) data field after the model time |
619 |
C |
620 |
C-------------------------------------------------------------------------- |
621 |
implicit none |
622 |
|
623 |
integer iunit,im,jm,nrec1,nrec2 |
624 |
|
625 |
_RL field1(im,jm) |
626 |
_RL field2(im,jm) |
627 |
|
628 |
integer i,j |
629 |
real*4 f1(im,jm), f2(im,jm) |
630 |
|
631 |
C--------- Read file ----------------------------------------------- |
632 |
read(iunit,rec=nrec1) f1 |
633 |
read(iunit,rec=nrec2) f2 |
634 |
|
635 |
#ifdef _BYTESWAPIO |
636 |
call MDS_BYTESWAPR4( im*jm, f1) |
637 |
call MDS_BYTESWAPR4( im*jm, f2) |
638 |
#endif |
639 |
do j=1,jm |
640 |
do i=1,im |
641 |
field1(i,j) = f1(i,j) |
642 |
field2(i,j) = f2(i,j) |
643 |
enddo |
644 |
enddo |
645 |
|
646 |
return |
647 |
end |
648 |
subroutine bcheader (iunit, ndmax, nrec, |
649 |
. cname, cdscrip, im, jm, lat0, lon0, ndatebc, |
650 |
. nymdbc, nhmsbc, undef, error) |
651 |
C************************************************************************ |
652 |
C |
653 |
C!ROUTINE: BCHEADER |
654 |
C!DESCRIPTION: BCHEADER reads the header from a file and returns the info. |
655 |
C |
656 |
C!INPUT PARAMETERS: |
657 |
C! iunit unit number assigned to the data file |
658 |
C! ndmax maximum number of date/times of the data |
659 |
C! nrec record number of the header info (or assume 1??) |
660 |
C |
661 |
C!OUTPUT PARAMETERS: |
662 |
C! cname name of the data in the file header |
663 |
C! cdscrip description of the data in the file header |
664 |
C! im number of x points |
665 |
C! jm number of y points |
666 |
C! lat0 starting latitude for the data grid |
667 |
C! lon0 starting longitude for the data grid |
668 |
C! ndatebc number of date/times of the data in the file |
669 |
C! nymdbc(ndmax) array of dates for the data including century |
670 |
C! nhmsbc(ndmax) array of times for the data |
671 |
C! undef value for undefined values in the data |
672 |
C! error logical TRUE if dataset problem |
673 |
C |
674 |
C-------------------------------------------------------------------------- |
675 |
implicit none |
676 |
|
677 |
integer iunit, ndmax, nrec |
678 |
|
679 |
character*8 cname |
680 |
character*80 cdscrip |
681 |
character*112 dummy112 |
682 |
integer im,jm,ndatebc,nymdbc(ndmax),nhmsbc(ndmax) |
683 |
_RL lat0,lon0,undef |
684 |
logical error |
685 |
|
686 |
integer i |
687 |
integer*4 im_32,jm_32 |
688 |
integer*4 ndatebc_32,nhmsbc_32(ndmax),nymdbc_32(ndmax) |
689 |
real*4 lat0_32,lon0_32,undef_32 |
690 |
|
691 |
C--------- Read file ----------------------------------------------- |
692 |
|
693 |
read(iunit,rec=nrec,err=500) cname, cdscrip, |
694 |
. im_32, jm_32, lat0_32, lon0_32, |
695 |
. ndatebc_32, undef_32 |
696 |
|
697 |
#ifdef _BYTESWAPIO |
698 |
call MDS_BYTESWAPI4( 1, im_32) |
699 |
call MDS_BYTESWAPI4( 1, jm_32) |
700 |
call MDS_BYTESWAPR4( 1, lat0_32) |
701 |
call MDS_BYTESWAPR4( 1, lon0_32) |
702 |
call MDS_BYTESWAPI4( 1, ndatebc_32) |
703 |
call MDS_BYTESWAPR4( 1, undef_32) |
704 |
#endif |
705 |
|
706 |
read(iunit,rec=nrec,err=500) dummy112, |
707 |
. (nymdbc_32(i), nhmsbc_32(i), i=1,ndatebc_32) |
708 |
|
709 |
im = im_32 |
710 |
jm = jm_32 |
711 |
lat0 = lat0_32 |
712 |
lon0 = lon0_32 |
713 |
undef = undef_32 |
714 |
|
715 |
ndatebc = ndatebc_32 |
716 |
do i=1,ndatebc |
717 |
#ifdef _BYTESWAPIO |
718 |
call MDS_BYTESWAPI4( 1, nymdbc_32(i)) |
719 |
call MDS_BYTESWAPI4( 1, nhmsbc_32(i)) |
720 |
#endif |
721 |
nymdbc(i) = nymdbc_32(i) |
722 |
nhmsbc(i) = nhmsbc_32(i) |
723 |
enddo |
724 |
|
725 |
return |
726 |
500 continue |
727 |
print *, 'Error reading boundary condition from unit ',iunit |
728 |
error = .true. |
729 |
return |
730 |
end |