1 |
C $Header$ |
C $Header$ |
2 |
C $Name$ |
C $Name$ |
3 |
|
|
4 |
|
#include "PACKAGES_CONFIG.h" |
5 |
#include "CPP_OPTIONS.h" |
#include "CPP_OPTIONS.h" |
6 |
|
|
7 |
CBOP |
CBOP |
8 |
C !ROUTINE: EXTERNAL_FORCING_SURF |
C !ROUTINE: EXTERNAL_FORCING_SURF |
9 |
C !INTERFACE: |
C !INTERFACE: |
10 |
SUBROUTINE EXTERNAL_FORCING_SURF( |
SUBROUTINE EXTERNAL_FORCING_SURF( |
11 |
I bi, bj, iMin, iMax, jMin, jMax, |
I bi, bj, iMin, iMax, jMin, jMax, |
12 |
I myThid ) |
I myTime, myIter, myThid ) |
13 |
C !DESCRIPTION: \bv |
C !DESCRIPTION: \bv |
14 |
C *==========================================================* |
C *==========================================================* |
15 |
C | SUBROUTINE EXTERNAL_FORCING_SURF |
C | SUBROUTINE EXTERNAL_FORCING_SURF |
16 |
C | o Determines forcing terms based on external fields |
C | o Determines forcing terms based on external fields |
17 |
C | relaxation terms etc. |
C | relaxation terms etc. |
18 |
C *==========================================================* |
C *==========================================================* |
19 |
C \ev |
C \ev |
20 |
|
|
27 |
#include "FFIELDS.h" |
#include "FFIELDS.h" |
28 |
#include "DYNVARS.h" |
#include "DYNVARS.h" |
29 |
#include "GRID.h" |
#include "GRID.h" |
30 |
|
#include "SURFACE.h" |
31 |
|
#ifdef ALLOW_SEAICE |
32 |
|
#include "SEAICE.h" |
33 |
|
#endif /* ALLOW_SEAICE */ |
34 |
|
#ifdef ALLOW_SHELFICE |
35 |
|
#include "SHELFICE.h" |
36 |
|
#endif /* ALLOW_SHELFICE */ |
37 |
C !INPUT/OUTPUT PARAMETERS: |
C !INPUT/OUTPUT PARAMETERS: |
38 |
C === Routine arguments === |
C === Routine arguments === |
39 |
|
C bi,bj :: tile indices |
40 |
|
C iMin,iMax, jMin,jMax :: Range of points for calculation |
41 |
|
C myTime :: Current time in simulation |
42 |
|
C myIter :: Current iteration number in simulation |
43 |
C myThid :: Thread no. that called this routine. |
C myThid :: Thread no. that called this routine. |
|
INTEGER myThid |
|
44 |
INTEGER bi,bj |
INTEGER bi,bj |
45 |
INTEGER iMin, iMax |
INTEGER iMin, iMax |
46 |
INTEGER jMin, jMax |
INTEGER jMin, jMax |
47 |
|
_RL myTime |
48 |
|
INTEGER myIter |
49 |
|
INTEGER myThid |
50 |
|
|
51 |
C !LOCAL VARIABLES: |
C !LOCAL VARIABLES: |
52 |
C === Local variables === |
C === Local variables === |
53 |
|
C i,j :: loop indices |
54 |
|
C ks :: index of surface interface layer |
55 |
INTEGER i,j |
INTEGER i,j |
56 |
|
INTEGER ks |
57 |
CEOP |
CEOP |
58 |
|
#ifdef ALLOW_DIAGNOSTICS |
59 |
|
_RL tmpFac |
60 |
|
#endif /* ALLOW_DIAGNOSTICS */ |
61 |
|
|
62 |
|
IF ( usingPCoords ) THEN |
63 |
|
ks = Nr |
64 |
|
ELSE |
65 |
|
ks = 1 |
66 |
|
ENDIF |
67 |
|
|
68 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
69 |
|
|
70 |
|
IF ( doThetaClimRelax .OR. doSaltClimRelax ) THEN |
71 |
|
C-- Start with surface restoring term : |
72 |
|
|
73 |
|
#ifdef ALLOW_SEAICE |
74 |
|
IF ( useSEAICE ) THEN |
75 |
|
C Do not restore under sea-ice |
76 |
|
DO j = jMin, jMax |
77 |
|
DO i = iMin, iMax |
78 |
|
C Heat Flux (restoring term) : |
79 |
|
surfaceForcingT(i,j,bi,bj) = |
80 |
|
& -lambdaThetaClimRelax(i,j,bi,bj)*(1.-AREA(i,j,1,bi,bj)) |
81 |
|
& *(theta(i,j,ks,bi,bj)-SST(i,j,bi,bj)) |
82 |
|
& *drF(ks)*_hFacC(i,j,ks,bi,bj) |
83 |
|
C Salt Flux (restoring term) : |
84 |
|
surfaceForcingS(i,j,bi,bj) = |
85 |
|
& -lambdaSaltClimRelax(i,j,bi,bj) *(1.-AREA(i,j,1,bi,bj)) |
86 |
|
& *(salt(i,j,ks,bi,bj)-SSS(i,j,bi,bj)) |
87 |
|
& *drF(ks)*_hFacC(i,j,ks,bi,bj) |
88 |
|
ENDDO |
89 |
|
ENDDO |
90 |
|
ELSE |
91 |
|
#endif /* ALLOW_SEAICE */ |
92 |
|
DO j = jMin, jMax |
93 |
|
DO i = iMin, iMax |
94 |
|
C Heat Flux (restoring term) : |
95 |
|
surfaceForcingT(i,j,bi,bj) = |
96 |
|
& -lambdaThetaClimRelax(i,j,bi,bj) |
97 |
|
& *(theta(i,j,ks,bi,bj)-SST(i,j,bi,bj)) |
98 |
|
& *drF(ks)*_hFacC(i,j,ks,bi,bj) |
99 |
|
C Salt Flux (restoring term) : |
100 |
|
surfaceForcingS(i,j,bi,bj) = |
101 |
|
& -lambdaSaltClimRelax(i,j,bi,bj) |
102 |
|
& *(salt(i,j,ks,bi,bj)-SSS(i,j,bi,bj)) |
103 |
|
& *drF(ks)*_hFacC(i,j,ks,bi,bj) |
104 |
|
ENDDO |
105 |
|
ENDDO |
106 |
|
#ifdef ALLOW_SEAICE |
107 |
|
ENDIF |
108 |
|
#endif /* ALLOW_SEAICE */ |
109 |
|
|
110 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
111 |
|
#ifdef NONLIN_FRSURF |
112 |
|
C- T,S surface forcing will be applied (thermodynamics) after the update |
113 |
|
C of surf.thickness (hFac): account for change in surf.thickness |
114 |
|
IF (staggerTimeStep.AND.nonlinFreeSurf.GT.0) THEN |
115 |
|
IF (select_rStar.GT.0) THEN |
116 |
|
# ifndef DISABLE_RSTAR_CODE |
117 |
|
DO j=jMin,jMax |
118 |
|
DO i=iMin,iMax |
119 |
|
surfaceForcingT(i,j,bi,bj) = surfaceForcingT(i,j,bi,bj) |
120 |
|
& * rStarExpC(i,j,bi,bj) |
121 |
|
surfaceForcingS(i,j,bi,bj) = surfaceForcingS(i,j,bi,bj) |
122 |
|
& * rStarExpC(i,j,bi,bj) |
123 |
|
ENDDO |
124 |
|
ENDDO |
125 |
|
# endif /* DISABLE_RSTAR_CODE */ |
126 |
|
ELSE |
127 |
|
DO j=jMin,jMax |
128 |
|
DO i=iMin,iMax |
129 |
|
IF (ks.EQ.ksurfC(i,j,bi,bj)) THEN |
130 |
|
surfaceForcingT(i,j,bi,bj) = surfaceForcingT(i,j,bi,bj) |
131 |
|
& *_recip_hFacC(i,j,ks,bi,bj)*hFac_surfC(i,j,bi,bj) |
132 |
|
surfaceForcingS(i,j,bi,bj) = surfaceForcingS(i,j,bi,bj) |
133 |
|
& *_recip_hFacC(i,j,ks,bi,bj)*hFac_surfC(i,j,bi,bj) |
134 |
|
ENDIF |
135 |
|
ENDDO |
136 |
|
ENDDO |
137 |
|
ENDIF |
138 |
|
ENDIF |
139 |
|
#endif /* NONLIN_FRSURF */ |
140 |
|
|
141 |
|
#ifdef ALLOW_DIAGNOSTICS |
142 |
|
IF ( useDiagnostics ) THEN |
143 |
|
|
144 |
|
C tRelax (temperature relaxation [W/m2], positive <-> increasing Theta) |
145 |
|
tmpFac = HeatCapacity_Cp*recip_horiVertRatio*rhoConst |
146 |
|
CALL DIAGNOSTICS_SCALE_FILL( |
147 |
|
& surfaceForcingT(1-OLx,1-OLy,bi,bj),tmpFac,1, |
148 |
|
& 'TRELAX ',0, 1,2,bi,bj,myThid) |
149 |
|
|
150 |
|
C sRelax (salt relaxation [g/m2/s], positive <-> increasing Salt) |
151 |
|
tmpFac = recip_horiVertRatio*rhoConst |
152 |
|
CALL DIAGNOSTICS_SCALE_FILL( |
153 |
|
& surfaceForcingS(1-OLx,1-OLy,bi,bj),tmpFac,1, |
154 |
|
& 'SRELAX ',0, 1,2,bi,bj,myThid) |
155 |
|
|
156 |
|
ENDIF |
157 |
|
#endif /* ALLOW_DIAGNOSTICS */ |
158 |
|
|
159 |
|
ELSE |
160 |
|
C-- No restoring for T & S : set surfaceForcingT,S to zero : |
161 |
|
|
162 |
|
DO j = jMin, jMax |
163 |
|
DO i = iMin, iMax |
164 |
|
surfaceForcingT(i,j,bi,bj) = 0. _d 0 |
165 |
|
surfaceForcingS(i,j,bi,bj) = 0. _d 0 |
166 |
|
ENDDO |
167 |
|
ENDDO |
168 |
|
|
169 |
|
C-- end restoring / no restoring block. |
170 |
|
ENDIF |
171 |
|
|
172 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
173 |
|
|
174 |
|
C-- Surface Fluxes : |
175 |
|
|
176 |
DO j = jMin, jMax |
DO j = jMin, jMax |
177 |
DO i = iMin, iMax |
DO i = iMin, iMax |
178 |
|
|
179 |
c Zonal wind stress fu: |
C Zonal wind stress fu: |
180 |
surfaceTendencyU(i,j,bi,bj) = fu(i,j,bi,bj) |
surfaceForcingU(i,j,bi,bj) = |
181 |
& *horiVertRatio*recip_rhoNil*recip_dRf(1) |
& fu(i,j,bi,bj)*horiVertRatio*recip_rhoConst |
182 |
c Meridional wind stress fv: |
C Meridional wind stress fv: |
183 |
surfaceTendencyV(i,j,bi,bj) = fV(i,j,bi,bj) |
surfaceForcingV(i,j,bi,bj) = |
184 |
& *horiVertRatio*recip_rhoNil*recip_dRf(1) |
& fv(i,j,bi,bj)*horiVertRatio*recip_rhoConst |
185 |
c Net heat flux Qnet: |
C Net heat flux Qnet: |
186 |
surfaceTendencyT(i,j,bi,bj) = -Qnet(i,j,bi,bj) |
surfaceForcingT(i,j,bi,bj) = surfaceForcingT(i,j,bi,bj) |
187 |
& *recip_Cp*recip_rhoNil*recip_dRf(1) |
& - ( Qnet(i,j,bi,bj) |
188 |
& - lambdaThetaClimRelax* |
#ifdef SHORTWAVE_HEATING |
189 |
& (theta(i,j,1,bi,bj)-SST(i,j,bi,bj)) |
& -Qsw(i,j,bi,bj) |
190 |
|
#endif |
191 |
#ifdef USE_NATURAL_BCS |
& ) *recip_Cp*horiVertRatio*recip_rhoConst |
192 |
c Freshwater flux EmPmR: |
C Net Salt Flux : |
193 |
surfaceTendencyS(i,j,bi,bj) = EmPmR(i,j,bi,bj) |
surfaceForcingS(i,j,bi,bj) = surfaceForcingS(i,j,bi,bj) |
194 |
& *recip_dRf(1)*salt(i,j,1,bi,bj) |
& -saltFlux(i,j,bi,bj)*horiVertRatio*recip_rhoConst |
|
& - lambdaSaltClimRelax* |
|
|
& (salt(i,j,1,bi,bj)-SSS(i,j,bi,bj)) |
|
|
#else |
|
|
c Freshwater flux EmPmR: |
|
|
surfaceTendencyS(i,j,bi,bj) = EmPmR(i,j,bi,bj) |
|
|
& *recip_dRf(1)*35. |
|
|
& - lambdaSaltClimRelax* |
|
|
& (salt(i,j,1,bi,bj)-SSS(i,j,bi,bj)) |
|
|
#endif |
|
195 |
|
|
196 |
ENDDO |
ENDDO |
197 |
ENDDO |
ENDDO |
198 |
|
|
199 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
200 |
|
C-- Fresh-water flux |
201 |
|
|
202 |
|
C- Apply mask on Fresh-Water flux |
203 |
|
C (needed for SSH forcing, whether or not exactConserv is used) |
204 |
|
IF ( useRealFreshWaterFlux ) THEN |
205 |
|
DO j=1-OLy,sNy+OLy |
206 |
|
DO i=1-OLx,sNx+OLx |
207 |
|
EmPmR(i,j,bi,bj) = EmPmR(i,j,bi,bj)*maskH(i,j,bi,bj) |
208 |
|
ENDDO |
209 |
|
ENDDO |
210 |
|
ENDIF |
211 |
|
|
212 |
|
#ifdef EXACT_CONSERV |
213 |
|
c NB: synchronous time step: PmEpR lag 1 time step behind EmPmR |
214 |
|
c to stay consitent with volume change (=d/dt etaH). |
215 |
|
IF ( staggerTimeStep ) THEN |
216 |
|
DO j=1-OLy,sNy+OLy |
217 |
|
DO i=1-OLx,sNx+OLx |
218 |
|
PmEpR(i,j,bi,bj) = -EmPmR(i,j,bi,bj) |
219 |
|
ENDDO |
220 |
|
ENDDO |
221 |
|
ENDIF |
222 |
|
|
223 |
|
IF ( (nonlinFreeSurf.GT.0 .OR. usingPCoords) |
224 |
|
& .AND. useRealFreshWaterFlux ) THEN |
225 |
|
|
226 |
|
c- NonLin_FrSurf and RealFreshWaterFlux : PmEpR effectively changes |
227 |
|
c the water column height ; temp., salt, (tracer) flux associated |
228 |
|
c with this input/output of water is added here to the surface tendency. |
229 |
|
c |
230 |
|
|
231 |
|
IF (temp_EvPrRn.NE.UNSET_RL) THEN |
232 |
|
DO j = jMin, jMax |
233 |
|
DO i = iMin, iMax |
234 |
|
surfaceForcingT(i,j,bi,bj) = surfaceForcingT(i,j,bi,bj) |
235 |
|
& + PmEpR(i,j,bi,bj) |
236 |
|
& *( temp_EvPrRn - theta(i,j,ks,bi,bj) ) |
237 |
|
& *convertEmP2rUnit |
238 |
|
ENDDO |
239 |
|
ENDDO |
240 |
|
ENDIF |
241 |
|
|
242 |
|
IF (salt_EvPrRn.NE.UNSET_RL) THEN |
243 |
|
DO j = jMin, jMax |
244 |
|
DO i = iMin, iMax |
245 |
|
surfaceForcingS(i,j,bi,bj) = surfaceForcingS(i,j,bi,bj) |
246 |
|
& + PmEpR(i,j,bi,bj) |
247 |
|
& *( salt_EvPrRn - salt(i,j,ks,bi,bj) ) |
248 |
|
& *convertEmP2rUnit |
249 |
|
ENDDO |
250 |
|
ENDDO |
251 |
|
ENDIF |
252 |
|
|
253 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
254 |
|
ELSE |
255 |
|
#else /* EXACT_CONSERV */ |
256 |
|
IF (.TRUE.) THEN |
257 |
|
#endif /* EXACT_CONSERV */ |
258 |
|
|
259 |
|
c- EmPmR does not really affect the water column height (for tracer budget) |
260 |
|
c and is converted to a salt tendency. |
261 |
|
|
262 |
|
IF (convertFW2Salt .EQ. -1.) THEN |
263 |
|
c- converts EmPmR to salinity tendency using surface local salinity |
264 |
|
DO j = jMin, jMax |
265 |
|
DO i = iMin, iMax |
266 |
|
surfaceForcingS(i,j,bi,bj) = surfaceForcingS(i,j,bi,bj) |
267 |
|
& + EmPmR(i,j,bi,bj)*salt(i,j,ks,bi,bj) |
268 |
|
& *convertEmP2rUnit |
269 |
|
ENDDO |
270 |
|
ENDDO |
271 |
|
ELSE |
272 |
|
c- converts EmPmR to virtual salt flux using uniform salinity (default=35) |
273 |
|
DO j = jMin, jMax |
274 |
|
DO i = iMin, iMax |
275 |
|
surfaceForcingS(i,j,bi,bj) = surfaceForcingS(i,j,bi,bj) |
276 |
|
& + EmPmR(i,j,bi,bj)*convertFW2Salt |
277 |
|
& *convertEmP2rUnit |
278 |
|
ENDDO |
279 |
|
ENDDO |
280 |
|
ENDIF |
281 |
|
|
282 |
|
ENDIF |
283 |
|
|
284 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
285 |
|
|
286 |
|
#ifdef ALLOW_PTRACERS |
287 |
|
IF ( usePTRACERS ) THEN |
288 |
|
CALL PTRACERS_FORCING_SURF( |
289 |
|
I bi, bj, iMin, iMax, jMin, jMax, |
290 |
|
I myTime,myIter,myThid ) |
291 |
|
ENDIF |
292 |
|
#endif /* ALLOW_PTRACERS */ |
293 |
|
|
294 |
|
#ifdef ATMOSPHERIC_LOADING |
295 |
|
|
296 |
|
C-- Atmospheric surface Pressure loading : |
297 |
|
|
298 |
|
IF ( usingZCoords ) THEN |
299 |
|
IF ( useRealFreshWaterFlux ) THEN |
300 |
|
DO j = jMin, jMax |
301 |
|
DO i = iMin, iMax |
302 |
|
phi0surf(i,j,bi,bj) = ( pload(i,j,bi,bj) |
303 |
|
& +sIceLoad(i,j,bi,bj)*gravity |
304 |
|
& )*recip_rhoConst |
305 |
|
ENDDO |
306 |
|
ENDDO |
307 |
|
ELSE |
308 |
|
DO j = jMin, jMax |
309 |
|
DO i = iMin, iMax |
310 |
|
phi0surf(i,j,bi,bj) = pload(i,j,bi,bj)*recip_rhoConst |
311 |
|
ENDDO |
312 |
|
ENDDO |
313 |
|
ENDIF |
314 |
|
ELSEIF ( usingPCoords ) THEN |
315 |
|
C-- This is a hack used to read phi0surf from a file (ploadFile) |
316 |
|
C instead of computing it from bathymetry & density ref. profile. |
317 |
|
C The true atmospheric P-loading is not yet implemented for P-coord |
318 |
|
C (requires time varying dP(Nr) like dP(k-bottom) with NonLin FS). |
319 |
|
DO j = jMin, jMax |
320 |
|
DO i = iMin, iMax |
321 |
|
phi0surf(i,j,bi,bj) = pload(i,j,bi,bj) |
322 |
|
ENDDO |
323 |
|
ENDDO |
324 |
|
ENDIF |
325 |
|
|
326 |
|
#endif /* ATMOSPHERIC_LOADING */ |
327 |
|
|
328 |
|
#ifdef ALLOW_SHELFICE |
329 |
|
IF ( usingZCoords ) THEN |
330 |
|
IF ( useSHELFICE) THEN |
331 |
|
DO j = jMin, jMax |
332 |
|
DO i = iMin, iMax |
333 |
|
phi0surf(i,j,bi,bj) = phi0surf(i,j,bi,bj) |
334 |
|
& + shelficeLoadAnomaly(i,j,bi,bj)*recip_rhoConst |
335 |
|
ENDDO |
336 |
|
ENDDO |
337 |
|
ENDIF |
338 |
|
ENDIF |
339 |
|
#endif /* ALLOW_SHELFICE */ |
340 |
|
|
341 |
|
#ifdef ALLOW_EBM |
342 |
|
c-- Values for surfaceForcingT, surfaceForcingS |
343 |
|
c are overwritten by those produced by EBM |
344 |
|
cph AD recomputation problems if these IF useEBM are used |
345 |
|
cph IF ( useEBM ) THEN |
346 |
|
CALL EBM_FORCING_SURF( |
347 |
|
I bi, bj, iMin, iMax, jMin, jMax, |
348 |
|
I myTime,myIter,myThid ) |
349 |
|
cph ENDIF |
350 |
|
#endif |
351 |
|
|
352 |
RETURN |
RETURN |
353 |
END |
END |