/[MITgcm]/MITgcm/pkg/thsice/thsice_main.F
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revision 1.5 by jmc, Fri Feb 11 19:33:59 2005 UTC revision 1.24 by jmc, Fri Dec 24 00:55:40 2010 UTC
# Line 2  C $Header$ Line 2  C $Header$
2  C $Name$  C $Name$
3    
4  #include "THSICE_OPTIONS.h"  #include "THSICE_OPTIONS.h"
5    
6  CBOP  CBOP
7  C     !ROUTINE: THSICE_MAIN  C     !ROUTINE: THSICE_MAIN
8  C     !INTERFACE:  C     !INTERFACE:
9        SUBROUTINE THSICE_MAIN(        SUBROUTINE THSICE_MAIN(
10       I                        myTime, myIter, myThid )       I                        myTime, myIter, myThid )
11  C     !DESCRIPTION: \bv  C     !DESCRIPTION: \bv
12  C     *==========================================================*  C     *==========================================================*
13  C     | S/R  THSICE_MAIN              C     | S/R  THSICE_MAIN
14  C     | o Therm_SeaIce main routine.  C     | o Therm_SeaIce main routine.
15  C     |   step forward Thermodynamic_SeaIce variables and modify  C     |   step forward Thermodynamic_SeaIce variables and modify
16  C     |    ocean surface forcing accordingly.  C     |    ocean surface forcing accordingly.
17  C     *==========================================================*  C     *==========================================================*
# Line 28  C     === Global variables === Line 28  C     === Global variables ===
28  #include "DYNVARS.h"  #include "DYNVARS.h"
29  #include "FFIELDS.h"  #include "FFIELDS.h"
30  #include "THSICE_PARAMS.h"  #include "THSICE_PARAMS.h"
31    #include "THSICE_SIZE.h"
32  #include "THSICE_VARS.h"  #include "THSICE_VARS.h"
33  #ifdef ALLOW_BULK_FORCE  #ifdef ALLOW_AUTODIFF_TAMC
34  #include "BULKF.h"  # include "tamc.h"
35    # include "tamc_keys.h"
36  #endif  #endif
37    
38  C     !INPUT/OUTPUT PARAMETERS:  C     !INPUT/OUTPUT PARAMETERS:
39  C     === Routine arguments ===  C     === Routine arguments ===
40  C     myIter :: iteration counter for this thread  C     myTime    :: Current time in simulation (s)
41  C     myTime :: time counter for this thread  C     myIter    :: Current iteration number
42  C     myThid :: thread number for this instance of the routine.  C     myThid    :: My Thread Id. number
43        _RL  myTime        _RL     myTime
44        INTEGER myIter        INTEGER myIter
45        INTEGER myThid        INTEGER myThid
46  CEOP  CEOP
# Line 51  C     === Local variables === Line 53  C     === Local variables ===
53        INTEGER iMin, iMax        INTEGER iMin, iMax
54        INTEGER jMin, jMax        INTEGER jMin, jMax
55        _RL prcAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL prcAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
56        _RL evpAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)  c     _RL evpAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
57        _RL flxSW (1-OLx:sNx+OLx,1-OLy:sNy+OLy)  c     _RL flxAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
58    c     _RL flxSW (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
59    
60        _RL tauFac        _RL tauFac
61    
62  C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|  C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
63    
64        IF ( stressReduction.GT. 0. _d 0 ) THEN        IF ( useEXF .OR. useSEAICE ) THEN
65    C-    EXF does not provide valid fields in overlap
66           iMin = 1
67           iMax = sNx
68           jMin = 1
69           jMax = sNy
70          ELSEIF ( stressReduction.GT. 0. _d 0 ) THEN
71  C-     needs new Ice Fraction in halo region to apply wind-stress reduction  C-     needs new Ice Fraction in halo region to apply wind-stress reduction
72         iMin = 1-Olx         iMin = 1-OLx
73         iMax = sNx+Olx-1         iMax = sNx+OLx-1
74         jMin = 1-Oly         jMin = 1-OLy
75         jMax = sNy+Oly-1         jMax = sNy+OLy-1
76  #ifdef ATMOSPHERIC_LOADING  #ifdef ATMOSPHERIC_LOADING
77        ELSEIF ( useRealFreshWaterFlux ) THEN        ELSEIF ( useRealFreshWaterFlux ) THEN
78  C-     needs sea-ice loading in part of the halo regions for grad.Phi0surf  C-     needs sea-ice loading in part of the halo regions for grad.Phi0surf
# Line 83  C      to be valid at the boundaries ( d Line 92  C      to be valid at the boundaries ( d
92        DO bj=myByLo(myThid),myByHi(myThid)        DO bj=myByLo(myThid),myByHi(myThid)
93         DO bi=myBxLo(myThid),myBxHi(myThid)         DO bi=myBxLo(myThid),myBxHi(myThid)
94    
95    #ifdef ALLOW_AUTODIFF_TAMC
96              act1 = bi - myBxLo(myThid)
97              max1 = myBxHi(myThid) - myBxLo(myThid) + 1
98              act2 = bj - myByLo(myThid)
99              max2 = myByHi(myThid) - myByLo(myThid) + 1
100              act3 = myThid - 1
101              max3 = nTx*nTy
102              act4 = ikey_dynamics - 1
103              ticekey = (act1 + 1) + act2*max1
104         &                         + act3*max1*max2
105         &                         + act4*max1*max2*max3
106    #endif /* ALLOW_AUTODIFF_TAMC */
107    
108    #ifdef ALLOW_AUTODIFF_TAMC
109    CADJ STORE ocefwfx(:,:,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
110    CADJ STORE oceqnet(:,:,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
111    CADJ STORE ocesflx(:,:,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
112    # ifdef ALLOW_EXF
113    CADJ STORE qsw(:,:,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
114    # endif
115    #endif
116    
117  C--     Mixed layer thickness: take the 1rst layer  C--     Mixed layer thickness: take the 1rst layer
118  #ifdef NONLIN_FRSURF  #ifdef NONLIN_FRSURF
119          IF ( staggerTimeStep .AND. nonlinFreeSurf.GT.0 ) THEN          IF ( staggerTimeStep .AND. nonlinFreeSurf.GT.0 ) THEN
120           IF ( select_rStar.GT.0 ) THEN           IF ( select_rStar.GT.0 ) THEN
121            DO j = jMin, jMax            DO j=1-OLy,sNy+OLy
122             DO i = iMin, iMax             DO i=1-OLx,sNx+OLx
123               hOceMxL(i,j,bi,bj) = drF(1)*h0FacC(i,j,1,bi,bj)               hOceMxL(i,j,bi,bj) = drF(1)*h0FacC(i,j,1,bi,bj)
124       &                                  *rStarFacC(i,j,bi,bj)       &                                  *rStarFacC(i,j,bi,bj)
125             ENDDO             ENDDO
126            ENDDO            ENDDO
127           ELSE           ELSE
128            DO j = jMin, jMax            DO j=1-OLy,sNy+OLy
129             DO i = iMin, iMax             DO i=1-OLx,sNx+OLx
130              IF ( ksurfC(i,j,bi,bj).EQ.1 ) THEN              IF ( ksurfC(i,j,bi,bj).EQ.1 ) THEN
131               hOceMxL(i,j,bi,bj) = drF(1)*hFac_surfC(i,j,bi,bj)               hOceMxL(i,j,bi,bj) = drF(1)*hFac_surfC(i,j,bi,bj)
132              ELSE              ELSE
133               hOceMxL(i,j,bi,bj) = drF(1)*hfacC(i,j,1,bi,bj)               hOceMxL(i,j,bi,bj) = drF(1)*hFacC(i,j,1,bi,bj)
134              ENDIF              ENDIF
135             ENDDO             ENDDO
136            ENDDO            ENDDO
# Line 108  C--     Mixed layer thickness: take the Line 139  C--     Mixed layer thickness: take the
139  #else /* ndef NONLIN_FRSURF */  #else /* ndef NONLIN_FRSURF */
140          IF (.TRUE.) THEN          IF (.TRUE.) THEN
141  #endif /* NONLIN_FRSURF */  #endif /* NONLIN_FRSURF */
142            DO j = jMin, jMax            DO j=1-OLy,sNy+OLy
143             DO i = iMin, iMax             DO i=1-OLx,sNx+OLx
144               hOceMxL(i,j,bi,bj) = drF(1)*hfacC(i,j,1,bi,bj)               hOceMxL(i,j,bi,bj) = drF(1)*hFacC(i,j,1,bi,bj)
145             ENDDO             ENDDO
146            ENDDO            ENDDO
147          ENDIF          ENDIF
148    
149           DO j = jMin, jMax  #ifdef ALLOW_AUTODIFF_TAMC
150            DO i = iMin, iMax  CADJ STORE uvel (:,:,1,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
151             tOceMxL(i,j,bi,bj) = theta(i,j,1,bi,bj)  CADJ STORE vvel (:,:,1,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
152             sOceMxL(i,j,bi,bj) = salt (i,j,1,bi,bj)  #endif
153             v2ocMxL(i,j,bi,bj) =  
154            DO j = jMin, jMax
155             DO i = iMin, iMax
156              tOceMxL(i,j,bi,bj) = theta(i,j,1,bi,bj)
157              sOceMxL(i,j,bi,bj) = salt (i,j,1,bi,bj)
158              v2ocMxL(i,j,bi,bj) =
159       &              ( uvel(i,j,1,bi,bj)*uvel(i,j,1,bi,bj)       &              ( uvel(i,j,1,bi,bj)*uvel(i,j,1,bi,bj)
160       &              + uvel(i+1,j,1,bi,bj)*uvel(i+1,j,1,bi,bj)       &              + uvel(i+1,j,1,bi,bj)*uvel(i+1,j,1,bi,bj)
161       &              + vvel(i,j+1,1,bi,bj)*vvel(i,j+1,1,bi,bj)       &              + vvel(i,j+1,1,bi,bj)*vvel(i,j+1,1,bi,bj)
162       &              + vvel(i,j,1,bi,bj)*vvel(i,j,1,bi,bj)       &              + vvel(i,j,1,bi,bj)*vvel(i,j,1,bi,bj)
163       &              )*0.5 _d 0       &              )*0.5 _d 0
164             prcAtm(i,j) = 0.            prcAtm(i,j) = 0.
165             evpAtm(i,j) = 0.            icFrwAtm(i,j,bi,bj) = 0. _d 0
166             flxSW (i,j) = 0.            icFlxAtm(i,j,bi,bj) = 0. _d 0
167             snowPrc(i,j,bi,bj) = 0. _d 0            icFlxSW (i,j,bi,bj) = 0. _d 0
168             siceAlb(i,j,bi,bj) = 0. _d 0            snowPrc(i,j,bi,bj) = 0. _d 0
169              siceAlb(i,j,bi,bj) = 0. _d 0
170             ENDDO
171            ENDDO
172    
173    #ifdef ALLOW_AUTODIFF_TAMC
174    CADJ STORE iceMask(:,:,bi,bj) = comlev1_bibj, key = ticekey
175    CADJ STORE iceHeight(:,:,bi,bj)  = comlev1_bibj, key = ticekey
176    CADJ STORE snowHeight(:,:,bi,bj) = comlev1_bibj, key = ticekey
177    CADJ STORE Tsrf(:,:,bi,bj)    = comlev1_bibj, key = ticekey
178    CADJ STORE Qice1(:,:,bi,bj)   = comlev1_bibj, key = ticekey
179    CADJ STORE Qice2(:,:,bi,bj)   = comlev1_bibj, key = ticekey
180    CADJ STORE snowAge(:,:,bi,bj) = comlev1_bibj, key = ticekey
181    CADJ STORE snowPrc(:,:,bi,bj)  = comlev1_bibj, key = ticekey
182    
183    CADJ STORE hOceMxL(:,:,bi,bj) = comlev1_bibj, key = ticekey
184    CADJ STORE tOceMxL(:,:,bi,bj) = comlev1_bibj, key = ticekey
185    CADJ STORE sOceMxL(:,:,bi,bj) = comlev1_bibj, key = ticekey
186    CADJ STORE v2ocMxL(:,:,bi,bj) = comlev1_bibj, key = ticekey
187    #endif
188    
189    C-      do sea-ice advection before getting surface fluxes
190    C Note: will inline this S/R once thSIce in Atmos. set-up is settled
191            IF ( thSIceAdvScheme.GT.0 )
192         &   CALL THSICE_DO_ADVECT(
193         I                   bi,bj, myTime, myIter, myThid )
194    
195  #ifdef ALLOW_BULK_FORCE  #ifdef ALLOW_BULK_FORCE
196             prcAtm(i,j) = ( rain(i,j,bi,bj)+runoff(i,j,bi,bj) )*rhofw          IF ( useBulkforce ) THEN
197             flxSW (i,j) = solar(i,j,bi,bj)           CALL THSICE_GET_PRECIP(
198             IF ( iceMask(i,j,bi,bj).GT.0. _d 0       I                  iceMask,
199       &       .AND. Tair(i,j,bi,bj).LE.Tf0kel )  THEN       O                  prcAtm, snowPrc(1-OLx,1-OLy,bi,bj),
200               snowPrc(i,j,bi,bj) = rain(i,j,bi,bj)*rhofw       O                  icFlxSW(1-OLx,1-OLy,bi,bj),
201             ENDIF       I                  iMin,iMax,jMin,jMax, bi,bj, myThid )
202            ENDIF
203    #endif
204    #ifdef ALLOW_EXF
205            IF ( useEXF ) THEN
206             CALL THSICE_MAP_EXF(
207         I                  iceMask,
208         O                  prcAtm, snowPrc(1-OLx,1-OLy,bi,bj),
209         O                  icFlxSW(1-OLx,1-OLy,bi,bj),
210         I                  iMin,iMax,jMin,jMax, bi,bj, myThid )
211            ENDIF
212  #endif  #endif
           ENDDO  
          ENDDO  
213    
214           CALL THSICE_STEP_FWD(  #ifdef ALLOW_AUTODIFF_TAMC
215       I                     bi, bj, iMin, iMax, jMin, jMax,  CADJ STORE sheating(:,:,bi,bj) = comlev1_bibj, key = ticekey
216       I                     prcAtm,  CADJ STORE tice1(:,:,bi,bj) = comlev1_bibj, key = ticekey
217       U                     evpAtm, flxSW,  CADJ STORE tice2(:,:,bi,bj) = comlev1_bibj, key = ticekey
218    #endif
219            CALL THSICE_STEP_TEMP(
220         I                     bi, bj, iMin, iMax, jMin, jMax,
221       I                     myTime, myIter, myThid )       I                     myTime, myIter, myThid )
222    
223           CALL THSICE_AVE(  #ifdef ALLOW_AUTODIFF_TAMC
224       I                   evpAtm, flxSW,  CADJ STORE empmr(:,:,bi,bj) = comlev1_bibj, key = ticekey
225       I                   bi,bj, myTime, myIter, myThid )  CADJ STORE qnet(:,:,bi,bj) = comlev1_bibj, key = ticekey
226    CADJ STORE iceMask(:,:,bi,bj) = comlev1_bibj, key = ticekey
227    CADJ STORE iceHeight(:,:,bi,bj)  = comlev1_bibj, key = ticekey
228    CADJ STORE snowHeight(:,:,bi,bj) = comlev1_bibj, key = ticekey
229    cphCADJ STORE Tsrf(:,:,bi,bj)    = comlev1_bibj, key = ticekey
230    CADJ STORE Qice1(:,:,bi,bj)   = comlev1_bibj, key = ticekey
231    CADJ STORE Qice2(:,:,bi,bj)   = comlev1_bibj, key = ticekey
232    CADJ STORE snowAge(:,:,bi,bj) = comlev1_bibj, key = ticekey
233    CADJ STORE sheating(:,:,bi,bj) = comlev1_bibj, key = ticekey
234    #endif
235    
236            CALL THSICE_STEP_FWD(
237         I                     bi, bj, iMin, iMax, jMin, jMax,
238         I                     prcAtm,
239         I                     myTime, myIter, myThid )
240    
241            CALL THSICE_AVE(
242         I                     bi,bj, myTime, myIter, myThid )
243    
244  c      ENDDO  C--  end bi,bj loop
245  c     ENDDO         ENDDO
246          ENDDO
247    
248    C     add a small piece of code to check AddFluid implementation:
249    c#include "thsice_test_addfluid.h"
250    
251  c       IF ( .FALSE. ) THEN        IF ( useSEAICE .OR. thSIceAdvScheme.GT.0 ) THEN
252    C--   Exchange fields that are advected by seaice dynamics
253            _EXCH_XY_RL( iceMask, myThid )
254            _EXCH_XY_RL( iceHeight, myThid )
255            _EXCH_XY_RL( snowHeight, myThid )
256            _EXCH_XY_RL( Qice1, myThid )
257            _EXCH_XY_RL( Qice2, myThid )
258          ELSEIF ( useEXF .AND. stressReduction.GT. 0. _d 0 ) THEN
259            _EXCH_XY_RL( iceMask, myThid )
260          ENDIF
261    #ifdef ATMOSPHERIC_LOADING
262          IF ( useRealFreshWaterFlux .AND. (useEXF.OR.useSEAICE ) )
263         &  _EXCH_XY_RS( sIceLoad, myThid )
264    #endif
265    
266          DO bj=myByLo(myThid),myByHi(myThid)
267           DO bi=myBxLo(myThid),myBxHi(myThid)
268    C--   note: If useSEAICE=.true., the stress is computed in seaice_model,
269    C--   and stressReduction is always set to zero
270    #ifdef ALLOW_AUTODIFF_TAMC
271    CADJ STORE fu(:,:,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
272    CADJ STORE fv(:,:,bi,bj) = comlev1_bibj, key=ticekey, byte=isbyte
273    #endif
274          IF ( stressReduction.GT. 0. _d 0 ) THEN          IF ( stressReduction.GT. 0. _d 0 ) THEN
275           DO j = jMin, jMax            DO j = jMin, jMax
276            DO i = iMin+1,iMax             DO i = iMin+1,iMax
277              tauFac = stressReduction              tauFac = stressReduction
278       &             *(iceMask(i-1,j,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0       &             *(iceMask(i-1,j,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0
279              fu(i,j,bi,bj) = (1. _d 0 - tauFac)*fu(i,j,bi,bj)              fu(i,j,bi,bj) = (1. _d 0 - tauFac)*fu(i,j,bi,bj)
280               ENDDO
281            ENDDO            ENDDO
282           ENDDO            DO j = jMin+1, jMax
283           DO j = jMin+1, jMax             DO i = iMin, iMax
           DO i = iMin, iMax  
284              tauFac = stressReduction              tauFac = stressReduction
285       &             *(iceMask(i,j-1,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0       &             *(iceMask(i,j-1,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0
286              fv(i,j,bi,bj) = (1. _d 0 - tauFac)*fv(i,j,bi,bj)              fv(i,j,bi,bj) = (1. _d 0 - tauFac)*fv(i,j,bi,bj)
287               ENDDO
288            ENDDO            ENDDO
          ENDDO  
289          ENDIF          ENDIF
290    
291  C--  end bi,bj loop  C--  end bi,bj loop
292         ENDDO         ENDDO
293        ENDDO        ENDDO
294    
 #ifdef ATMOSPHERIC_LOADING  
 c     IF (useRealFreshWaterFlux) _EXCH_XY_RS(sIceLoad, myThid)  
 #endif  
   
295  C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|  C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
296  #endif  /*ALLOW_THSICE*/  #endif  /*ALLOW_THSICE*/
297    
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