pkg/thsice/thsice_ini_vars.F

C $Header: /u/gcmpack/MITgcm/pkg/thsice/thsice_ini_vars.F,v 1.8 2007/04/04 01:55:45 jmc Exp $
C $Name:  $

#include "THSICE_OPTIONS.h"
#ifdef ALLOW_AIM
# include "AIM_OPTIONS.h"
#endif

CBOP
C     !ROUTINE: THSICE_INI_VARS
C     !INTERFACE:
      SUBROUTINE THSICE_INI_VARS( myThid )

C     !DESCRIPTION: \bv
C     *==========================================================*
C     | S/R THSICE_INI_VARS
C     | o initialize THermo_SeaICE variables
C     *==========================================================*
C     \ev

C     !USES:
      IMPLICIT NONE

C     === Global variables ===
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "FFIELDS.h"
#include "THSICE_PARAMS.h"
#include "THSICE_VARS.h"
#ifdef ALLOW_AUTODIFF_TAMC
# include "THSICE_2DYN.h"
#endif
#ifdef ALLOW_AIM
# include "AIM_FFIELDS.h"
#endif

C     !INPUT/OUTPUT PARAMETERS:
C     == Routine arguments ==
C     myThid :: My Thread Id. number
      INTEGER myThid
CEOP

#ifdef ALLOW_THSICE
C     == Local variables ==
C     bi,bj  :: Loop counters
C     i,j    :: Loop counters
      INTEGER bi, bj
      INTEGER i, j
      INTEGER prec
c     CHARACTER*(MAX_LEN_FNAM) fn
      _RL v2Loc


c     set up ice arrays to zero if starting ice
      DO bj = myByLo(myThid), myByHi(myThid)
        DO bi = myBxLo(myThid), myBxHi(myThid)
C-        state variables :
          DO j=1-OLy,sNy+OLy
           DO i=1-OLx,sNx+OLx
            iceMask(i,j,bi,bj)  = 0. _d 0
            iceHeight(i,j,bi,bj)= 0. _d 0
            snowHeight(i,j,bi,bj)=0. _d 0
            Tsrf(i,j,bi,bj)     = 0. _d 0
            Tice1(i,j,bi,bj)    = 0. _d 0
            Tice2(i,j,bi,bj)    = 0. _d 0
            Qice1(i,j,bi,bj)    = 0. _d 0
            Qice2(i,j,bi,bj)    = 0. _d 0
            snowAge(i,j,bi,bj)  = 0. _d 0
           ENDDO
          ENDDO
C-        fluxes :
          DO j=1-OLy,sNy+OLy
           DO i=1-OLx,sNx+OLx
            sHeating(i,j,bi,bj) = 0. _d 0
            flxCndBt(i,j,bi,bj) = 0. _d 0
            snowPrc(i,j,bi,bj)  = 0. _d 0
            siceAlb(i,j,bi,bj)  = 0. _d 0
            icFlxSW (i,j,bi,bj) = 0. _d 0
            icFlxAtm(i,j,bi,bj) = 0. _d 0
            icFrwAtm(i,j,bi,bj) = 0. _d 0
#ifdef ALLOW_AUTODIFF_TAMC
            oceFWfx(i,j,bi,bj)  = 0. _d 0
            oceSflx(i,j,bi,bj)  = 0. _d 0
            oceQnet(i,j,bi,bj)  = 0. _d 0
#endif
           ENDDO
          ENDDO
C-        oceanic mixed layer state :
          v2Loc = vMxL_default*vMxL_default
          DO j=1-OLy,sNy+OLy
           DO i=1-OLx,sNx+OLx
             hOceMxL(i,j,bi,bj) = hMxL_default
             tOceMxL(i,j,bi,bj) = 0. _d 0
             sOceMxL(i,j,bi,bj) = sMxL_default
             v2ocMxL(i,j,bi,bj) = v2Loc
           ENDDO
          ENDDO
#ifdef ALLOW_AIM
          IF ( useAIM ) THEN
C-        Mask mixed layer depth : depth is used in thsice slab_ocean
C         and this mask is used in thsice_advdiff and if coupled
           DO j=1-OLy,sNy+OLy
            DO i=1-OLx,sNx+OLx
             IF ( aim_landFr(i,j,bi,bj).EQ.1. _d 0 )
     &       hOceMxL(i,j,bi,bj) = 0.
            ENDDO
           ENDDO
          ENDIF
#endif /* ALLOW_AIM */
        ENDDO
      ENDDO

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|

      IF ( startIceModel.LE.0 .AND. nIter0.NE.0 ) THEN
C--     Read ice pickup fields
       _BARRIER
        prec=precFloat64
        CALL THSICE_READ_PICKUP( prec, nIter0, myThid )

      ELSE
C--     Read initial conditions:
        _BEGIN_MASTER( myThid )
        IF ( thSIceFract_InitFile .NE. ' ' ) THEN
         CALL READ_REC_XY_RL(thSIceFract_InitFile,iceMask,1,0,myThid)
        ENDIF
        IF ( thSIceThick_InitFile .NE. ' ' ) THEN
         CALL READ_REC_XY_RL(thSIceThick_InitFile,iceHeight,1,0,myThid)
        ENDIF
        IF ( thSIceSnowH_InitFile .NE. ' ' ) THEN
         CALL READ_REC_XY_RL(thSIceSnowH_InitFile,snowHeight,1,0,myThid)
        ENDIF
        IF ( thSIceSnowA_InitFile .NE. ' ' ) THEN
         CALL READ_REC_XY_RL(thSIceSnowA_InitFile,snowAge,1,0,myThid)
        ENDIF
        IF ( thSIceEnthp_InitFile .NE. ' ' ) THEN
         CALL READ_REC_XY_RL(thSIceEnthp_InitFile,Qice1,1,0,myThid)
         CALL READ_REC_XY_RL(thSIceEnthp_InitFile,Qice2,2,0,myThid)
        ENDIF
        IF ( thSIceTsurf_InitFile .NE. ' ' ) THEN
         CALL READ_REC_XY_RS(thSIceTsurf_InitFile,Tsrf,1,0,myThid)
        ENDIF
        _END_MASTER(myThid)
      ENDIF

        _EXCH_XY_R8(iceMask,myThid)
        _EXCH_XY_R8(iceHeight, myThid)
        _EXCH_XY_R8(snowHeight,myThid)
        _EXCH_XY_R8(Tsrf,   myThid)
        _EXCH_XY_R8(Tice1,  myThid)
        _EXCH_XY_R8(Tice2,  myThid)
        _EXCH_XY_R8(Qice1,  myThid)
        _EXCH_XY_R8(Qice2,  myThid)
        _EXCH_XY_R8(snowAge,myThid)

#ifdef ATMOSPHERIC_LOADING
C--     Initialise Sea-Ice Loading for SeaIce-Dynamics :
        IF ( useSEAICE ) THEN
          DO bj = myByLo(myThid), myByHi(myThid)
           DO bi = myBxLo(myThid), myBxHi(myThid)
            DO j=1-OLy,sNy+OLy
             DO i=1-OLx,sNx+OLx
               sIceLoad(i,j,bi,bj) = ( snowHeight(i,j,bi,bj)*rhos
     &                               + iceHeight(i,j,bi,bj)*rhoi
     &                               )*iceMask(i,j,bi,bj)
             ENDDO
            ENDDO
           ENDDO
          ENDDO
        ENDIF
#endif /* ATMOSPHERIC_LOADING */

#endif /* ALLOW_THSICE */

      RETURN
      END
1	heimbach	1.9	C $Header: /u/gcmpack/MITgcm/pkg/thsice/thsice_ini_vars.F,v 1.8 2007/04/04 01:55:45 jmc Exp $
2	jmc	1.1	C $Name: $
3
4			#include "THSICE_OPTIONS.h"
5	jmc	1.8	#ifdef ALLOW_AIM
6			# include "AIM_OPTIONS.h"
7			#endif
8	jmc	1.1
9	jmc	1.2	CBOP
10			C !ROUTINE: THSICE_INI_VARS
11			C !INTERFACE:
12	jmc	1.1	SUBROUTINE THSICE_INI_VARS( myThid )
13	jmc	1.2
14			C !DESCRIPTION: \bv
15	jmc	1.1	C ==========================================================
16	jmc	1.2	C \| S/R THSICE_INI_VARS
17	jmc	1.1	C \| o initialize THermo_SeaICE variables
18			C ==========================================================
19	jmc	1.2	C \ev
20
21			C !USES:
22	jmc	1.1	IMPLICIT NONE
23
24			C === Global variables ===
25			#include "SIZE.h"
26			#include "EEPARAMS.h"
27			#include "PARAMS.h"
28	jmc	1.7	#include "FFIELDS.h"
29	jmc	1.1	#include "THSICE_PARAMS.h"
30	jmc	1.2	#include "THSICE_VARS.h"
31	heimbach	1.9	#ifdef ALLOW_AUTODIFF_TAMC
32			# include "THSICE_2DYN.h"
33			#endif
34	jmc	1.8	#ifdef ALLOW_AIM
35			# include "AIM_FFIELDS.h"
36			#endif
37	jmc	1.1
38	jmc	1.2	C !INPUT/OUTPUT PARAMETERS:
39	jmc	1.1	C == Routine arguments ==
40	jmc	1.8	C myThid :: My Thread Id. number
41	jmc	1.1	INTEGER myThid
42	jmc	1.2	CEOP
43	jmc	1.1
44			#ifdef ALLOW_THSICE
45			C == Local variables ==
46	jmc	1.2	C bi,bj :: Loop counters
47			C i,j :: Loop counters
48	jmc	1.1	INTEGER bi, bj
49	jmc	1.8	INTEGER i, j
50	jmc	1.1	INTEGER prec
51	jmc	1.5	c CHARACTER*(MAX_LEN_FNAM) fn
52	jmc	1.2	_RL v2Loc
53	jmc	1.1
54
55			c set up ice arrays to zero if starting ice
56	jmc	1.8	DO bj = myByLo(myThid), myByHi(myThid)
57			DO bi = myBxLo(myThid), myBxHi(myThid)
58	jmc	1.2	C- state variables :
59	jmc	1.6	DO j=1-OLy,sNy+OLy
60			DO i=1-OLx,sNx+OLx
61	jmc	1.2	iceMask(i,j,bi,bj) = 0. _d 0
62			iceHeight(i,j,bi,bj)= 0. _d 0
63	jmc	1.1	snowHeight(i,j,bi,bj)=0. _d 0
64	jmc	1.2	Tsrf(i,j,bi,bj) = 0. _d 0
65			Tice1(i,j,bi,bj) = 0. _d 0
66			Tice2(i,j,bi,bj) = 0. _d 0
67			Qice1(i,j,bi,bj) = 0. _d 0
68			Qice2(i,j,bi,bj) = 0. _d 0
69			snowAge(i,j,bi,bj) = 0. _d 0
70			ENDDO
71			ENDDO
72			C- fluxes :
73	jmc	1.6	DO j=1-OLy,sNy+OLy
74			DO i=1-OLx,sNx+OLx
75	jmc	1.2	sHeating(i,j,bi,bj) = 0. _d 0
76			flxCndBt(i,j,bi,bj) = 0. _d 0
77			snowPrc(i,j,bi,bj) = 0. _d 0
78	jmc	1.4	siceAlb(i,j,bi,bj) = 0. _d 0
79	jmc	1.6	icFlxSW (i,j,bi,bj) = 0. _d 0
80			icFlxAtm(i,j,bi,bj) = 0. _d 0
81			icFrwAtm(i,j,bi,bj) = 0. _d 0
82	heimbach	1.9	#ifdef ALLOW_AUTODIFF_TAMC
83			oceFWfx(i,j,bi,bj) = 0. _d 0
84			oceSflx(i,j,bi,bj) = 0. _d 0
85			oceQnet(i,j,bi,bj) = 0. _d 0
86			#endif
87	jmc	1.2	ENDDO
88			ENDDO
89			C- oceanic mixed layer state :
90			v2Loc = vMxL_default*vMxL_default
91	jmc	1.6	DO j=1-OLy,sNy+OLy
92			DO i=1-OLx,sNx+OLx
93	jmc	1.2	hOceMxL(i,j,bi,bj) = hMxL_default
94			tOceMxL(i,j,bi,bj) = 0. _d 0
95			sOceMxL(i,j,bi,bj) = sMxL_default
96			v2ocMxL(i,j,bi,bj) = v2Loc
97	jmc	1.1	ENDDO
98			ENDDO
99	jmc	1.8	#ifdef ALLOW_AIM
100			IF ( useAIM ) THEN
101			C- Mask mixed layer depth : depth is used in thsice slab_ocean
102			C and this mask is used in thsice_advdiff and if coupled
103			DO j=1-OLy,sNy+OLy
104			DO i=1-OLx,sNx+OLx
105			IF ( aim_landFr(i,j,bi,bj).EQ.1. _d 0 )
106			& hOceMxL(i,j,bi,bj) = 0.
107			ENDDO
108			ENDDO
109			ENDIF
110			#endif /* ALLOW_AIM */
111	jmc	1.1	ENDDO
112	jmc	1.8	ENDDO
113	jmc	1.1
114	jmc	1.3	C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
115
116	jmc	1.2	IF ( startIceModel.LE.0 .AND. nIter0.NE.0 ) THEN
117	jmc	1.1	C-- Read ice pickup fields
118			_BARRIER
119			prec=precFloat64
120	jmc	1.2	CALL THSICE_READ_PICKUP( prec, nIter0, myThid )
121	jmc	1.1
122	jmc	1.3	ELSE
123			C-- Read initial conditions:
124			_BEGIN_MASTER( myThid )
125			IF ( thSIceFract_InitFile .NE. ' ' ) THEN
126			CALL READ_REC_XY_RL(thSIceFract_InitFile,iceMask,1,0,myThid)
127			ENDIF
128			IF ( thSIceThick_InitFile .NE. ' ' ) THEN
129			CALL READ_REC_XY_RL(thSIceThick_InitFile,iceHeight,1,0,myThid)
130			ENDIF
131			IF ( thSIceSnowH_InitFile .NE. ' ' ) THEN
132			CALL READ_REC_XY_RL(thSIceSnowH_InitFile,snowHeight,1,0,myThid)
133			ENDIF
134			IF ( thSIceSnowA_InitFile .NE. ' ' ) THEN
135			CALL READ_REC_XY_RL(thSIceSnowA_InitFile,snowAge,1,0,myThid)
136			ENDIF
137			IF ( thSIceEnthp_InitFile .NE. ' ' ) THEN
138			CALL READ_REC_XY_RL(thSIceEnthp_InitFile,Qice1,1,0,myThid)
139			CALL READ_REC_XY_RL(thSIceEnthp_InitFile,Qice2,2,0,myThid)
140			ENDIF
141			IF ( thSIceTsurf_InitFile .NE. ' ' ) THEN
142			CALL READ_REC_XY_RS(thSIceTsurf_InitFile,Tsrf,1,0,myThid)
143			ENDIF
144			_END_MASTER(myThid)
145			ENDIF
146
147	jmc	1.2	_EXCH_XY_R8(iceMask,myThid)
148	jmc	1.1	_EXCH_XY_R8(iceHeight, myThid)
149	jmc	1.2	_EXCH_XY_R8(snowHeight,myThid)
150			_EXCH_XY_R8(Tsrf, myThid)
151			_EXCH_XY_R8(Tice1, myThid)
152			_EXCH_XY_R8(Tice2, myThid)
153			_EXCH_XY_R8(Qice1, myThid)
154			_EXCH_XY_R8(Qice2, myThid)
155			_EXCH_XY_R8(snowAge,myThid)
156	jmc	1.1
157	jmc	1.7	#ifdef ATMOSPHERIC_LOADING
158			C-- Initialise Sea-Ice Loading for SeaIce-Dynamics :
159			IF ( useSEAICE ) THEN
160			DO bj = myByLo(myThid), myByHi(myThid)
161			DO bi = myBxLo(myThid), myBxHi(myThid)
162			DO j=1-OLy,sNy+OLy
163			DO i=1-OLx,sNx+OLx
164			sIceLoad(i,j,bi,bj) = ( snowHeight(i,j,bi,bj)*rhos
165			& + iceHeight(i,j,bi,bj)*rhoi
166			& )*iceMask(i,j,bi,bj)
167			ENDDO
168			ENDDO
169			ENDDO
170			ENDDO
171			ENDIF
172			#endif /* ATMOSPHERIC_LOADING */
173
174	jmc	1.1	#endif /* ALLOW_THSICE */
175
176			RETURN
177			END