jscott/code_changed/thsice_step_temp.F

C $Header: /u/gcmpack/MITgcm_contrib/jscott/code_changed/thsice_step_temp.F,v 1.1 2006/08/11 19:29:23 jscott Exp $
C $Name:  $

#include "THSICE_OPTIONS.h"

CBOP
C     !ROUTINE: THSICE_STEP_TEMP
C     !INTERFACE:
      SUBROUTINE THSICE_STEP_TEMP(
     I             bi, bj, iMin, iMax, jMin, jMax,
     I             myTime, myIter, myThid )
C     !DESCRIPTION: \bv
C     *==========================================================*
C     | S/R  THSICE_STEP_TEMP
C     | o Step Forward Surface and SeaIce Temperature.
C     *==========================================================*
C     \ev

C     !USES:
      IMPLICIT NONE

C     === Global variables ===
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "FFIELDS.h"
#include "THSICE_SIZE.h"
#include "THSICE_PARAMS.h"
#include "THSICE_VARS.h"
#include "THSICE_TAVE.h"

      INTEGER siLo, siHi, sjLo, sjHi
      PARAMETER ( siLo = 1-OLx , siHi = sNx+OLx )
      PARAMETER ( sjLo = 1-OLy , sjHi = sNy+OLy )

C     !INPUT/OUTPUT PARAMETERS:
C     === Routine arguments ===
C- input:
C     bi,bj   :: tile indices
C   iMin,iMax :: computation domain: 1rst index range
C   jMin,jMax :: computation domain: 2nd  index range
C     myTime  :: time counter for this thread
C     myIter  :: iteration counter for this thread
C     myThid  :: thread number for this instance of the routine.
C-- Modify fluxes hold in commom blocks
C- input:
C     icFlxSW :: (Inp) short-wave heat flux (+=down): downward comp. only
C- output
C     icFlxSW :: (Out) net SW flux into ocean (+=down)
C     icFlxAtm:: net flux of energy from the atmosphere [W/m2] (+=down)
C     icFrwAtm:: evaporation to the atmosphere (kg/m2/s) (>0 if evaporate)
C--
      INTEGER bi,bj
      INTEGER iMin, iMax
      INTEGER jMin, jMax
      _RL  myTime
      INTEGER myIter
      INTEGER myThid
CEOP

#ifdef ALLOW_THSICE
C     !LOCAL VARIABLES:
C     === Local variables ===
C     tFrzOce   :: sea-water freezing temperature [oC] (function of S)
C     dTsrf     :: surf. temp adjusment: Ts^n+1 - Ts^n
      INTEGER i,j
      _RL tFrzOce(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
c     _RL dTsrf  (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
#ifndef ALLOW_ATM2D
      _RL tmpflx(1:2), tmpdTs(1:2)
#else
       _RL tmpflx(iMin:iMax,jMin:jMax,0:2)
       _RL tmpdTs(iMin:iMax,jMin:jMax)
#endif
#ifdef SHORTWAVE_HEATING
      _RL opFrac, icFrac
#endif
      LOGICAL dBugFlag

C-    define grid-point location where to print debugging values
#include "THSICE_DEBUG.h"

 1010 FORMAT(A,1P4E14.6)

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

      dBugFlag = debugLevel.GE.debLevB
C-    Initialise flxAtm,evpAtm
#ifndef ALLOW_ATM2D
       DO j = 1-OLy, sNy+OLy
        DO i = 1-OLx, sNx+OLx
          icFlxAtm(i,j,bi,bj) = 0.
          icFrwAtm(i,j,bi,bj) = 0.
        ENDDO
       ENDDO
#endif
c     IF ( fluidIsWater ) THEN
       CALL THSICE_ALBEDO(
     I          bi, bj, siLo, siHi, sjLo, sjHi,
     I          iMin,iMax, jMin,jMax,
     I          iceMask(siLo,sjLo,bi,bj), iceHeight(siLo,sjLo,bi,bj),
     I          snowHeight(siLo,sjLo,bi,bj), Tsrf(siLo,sjLo,bi,bj),
     I          snowAge(siLo,sjLo,bi,bj),
     O          siceAlb(siLo,sjLo,bi,bj),
     I          myTime, myIter, myThid )

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
C    part.1 : ice-covered fraction ;
C     Solve for surface and ice temperature (implicitly) ; compute surf. fluxes
C-------
       DO j = jMin, jMax
        DO i = iMin, iMax
         IF (iceMask(i,j,bi,bj).GT.0. _d 0) THEN
#ifdef ALLOW_DBUG_THSICE
          IF ( dBug(i,j,bi,bj) ) THEN
           WRITE(6,'(A,2I4,2I2)') 'ThSI_STEP_T: i,j=',i,j,bi,bj
           WRITE(6,1010) 'ThSI_STEP_T: iceMask, hIc, hSn, Tsf  =',
     &                   iceMask(i,j,bi,bj), iceHeight(i,j,bi,bj),
     &                   snowHeight(i,j,bi,bj), Tsrf(i,j,bi,bj)
          ENDIF
#endif
C-      surface net SW flux:
          icFlxSW(i,j,bi,bj) = icFlxSW(i,j,bi,bj)
     &                       *(1. _d 0 - siceAlb(i,j,bi,bj))
          tFrzOce(i,j) = -mu_Tf*sOceMxL(i,j,bi,bj)
#ifdef ALLOW_ATM2D
          tmpflx(i,j,0)= icFlxAtm(i,j,bi,bj) + 
     &                  (Tmlt1-Tsrf(i,j,bi,bj))*dFdT(i,j,bi,bj)
          tmpflx(i,j,1)= icFlxAtm(i,j,bi,bj)
          tmpflx(i,j,2)= dFdT(i,j,bi,bj)
C          print *,'in thsice_step_temp at ',i,j
C          print *,'tmpflx:',tmpflx(i,j,0),tmpflx(i,j,1),tmpflx(i,j,2)
C          print *,'ice:',Tsrf(i,j,1,1),iceMask(i,j,1,1),
C     &                   iceHeight(i,j,1,1),snowHeight(i,j,1,1)
#endif
         ELSE
          tFrzOce(i,j) = 0. _d 0
         ENDIF
        ENDDO
       ENDDO

       CALL THSICE_SOLVE4TEMP(
     I          bi, bj, siLo, siHi, sjLo, sjHi,
     I          iMin,iMax, jMin,jMax, dBugFlag, 
     I          useBulkForce, useEXF,
     I          iceMask(siLo,sjLo,bi,bj), iceHeight(siLo,sjLo,bi,bj),
     I          snowHeight(siLo,sjLo,bi,bj), tFrzOce, tmpflx,
     U          icFlxSW(siLo,sjLo,bi,bj), Tsrf(siLo,sjLo,bi,bj),
     U          Qice1(siLo,sjLo,bi,bj), Qice2(siLo,sjLo,bi,bj),
     O          Tice1(siLo,sjLo,bi,bj), Tice2(siLo,sjLo,bi,bj), tmpdTs,
     O          sHeating(siLo,sjLo,bi,bj), flxCndBt(siLo,sjLo,bi,bj),
     O          icFlxAtm(siLo,sjLo,bi,bj), icFrwAtm(siLo,sjLo,bi,bj),
     I          myTime, myIter, myThid )

#ifdef SHORTWAVE_HEATING
#ifndef ALLOW_ATM2D
       DO j = jMin, jMax
        DO i = iMin, iMax
         IF (iceMask(i,j,bi,bj).GT.0. _d 0) THEN
          icFrac  = iceMask(i,j,bi,bj)
          opFrac = 1. _d 0 - icFrac
C--    Update Fluxes :
          Qsw(i,j,bi,bj) = opFrac*Qsw(i,j,bi,bj)
     &                   - icFrac*icFlxSW(i,j,bi,bj)
         ENDIF
        ENDDO
       ENDDO
#endif
#endif /* SHORTWAVE_HEATING */
c     ENDIF

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
#endif /* ALLOW_THSICE */

      RETURN
      END
1	jscott	1.2	C $Header: /u/gcmpack/MITgcm_contrib/jscott/code_changed/thsice_step_temp.F,v 1.1 2006/08/11 19:29:23 jscott Exp $
2	jscott	1.1	C $Name: $
3
4			#include "THSICE_OPTIONS.h"
5
6			CBOP
7			C !ROUTINE: THSICE_STEP_TEMP
8			C !INTERFACE:
9			SUBROUTINE THSICE_STEP_TEMP(
10			I bi, bj, iMin, iMax, jMin, jMax,
11			I myTime, myIter, myThid )
12			C !DESCRIPTION: \bv
13			C ==========================================================
14			C \| S/R THSICE_STEP_TEMP
15			C \| o Step Forward Surface and SeaIce Temperature.
16			C ==========================================================
17			C \ev
18
19			C !USES:
20			IMPLICIT NONE
21
22			C === Global variables ===
23			#include "SIZE.h"
24			#include "EEPARAMS.h"
25			#include "PARAMS.h"
26			#include "FFIELDS.h"
27			#include "THSICE_SIZE.h"
28			#include "THSICE_PARAMS.h"
29			#include "THSICE_VARS.h"
30			#include "THSICE_TAVE.h"
31
32			INTEGER siLo, siHi, sjLo, sjHi
33			PARAMETER ( siLo = 1-OLx , siHi = sNx+OLx )
34			PARAMETER ( sjLo = 1-OLy , sjHi = sNy+OLy )
35
36			C !INPUT/OUTPUT PARAMETERS:
37			C === Routine arguments ===
38			C- input:
39			C bi,bj :: tile indices
40			C iMin,iMax :: computation domain: 1rst index range
41			C jMin,jMax :: computation domain: 2nd index range
42			C myTime :: time counter for this thread
43			C myIter :: iteration counter for this thread
44			C myThid :: thread number for this instance of the routine.
45			C-- Modify fluxes hold in commom blocks
46			C- input:
47			C icFlxSW :: (Inp) short-wave heat flux (+=down): downward comp. only
48			C- output
49			C icFlxSW :: (Out) net SW flux into ocean (+=down)
50			C icFlxAtm:: net flux of energy from the atmosphere [W/m2] (+=down)
51			C icFrwAtm:: evaporation to the atmosphere (kg/m2/s) (>0 if evaporate)
52			C--
53			INTEGER bi,bj
54			INTEGER iMin, iMax
55			INTEGER jMin, jMax
56			_RL myTime
57			INTEGER myIter
58			INTEGER myThid
59			CEOP
60
61			#ifdef ALLOW_THSICE
62			C !LOCAL VARIABLES:
63			C === Local variables ===
64			C tFrzOce :: sea-water freezing temperature [oC] (function of S)
65			C dTsrf :: surf. temp adjusment: Ts^n+1 - Ts^n
66			INTEGER i,j
67			_RL tFrzOce(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
68			c _RL dTsrf (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
69			#ifndef ALLOW_ATM2D
70			_RL tmpflx(1:2), tmpdTs(1:2)
71			#else
72			_RL tmpflx(iMin:iMax,jMin:jMax,0:2)
73			_RL tmpdTs(iMin:iMax,jMin:jMax)
74			#endif
75			#ifdef SHORTWAVE_HEATING
76			_RL opFrac, icFrac
77			#endif
78			LOGICAL dBugFlag
79
80			C- define grid-point location where to print debugging values
81			#include "THSICE_DEBUG.h"
82
83			1010 FORMAT(A,1P4E14.6)
84
85			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
86
87			dBugFlag = debugLevel.GE.debLevB
88			C- Initialise flxAtm,evpAtm
89			#ifndef ALLOW_ATM2D
90			DO j = 1-OLy, sNy+OLy
91			DO i = 1-OLx, sNx+OLx
92			icFlxAtm(i,j,bi,bj) = 0.
93			icFrwAtm(i,j,bi,bj) = 0.
94			ENDDO
95			ENDDO
96			#endif
97			c IF ( fluidIsWater ) THEN
98			CALL THSICE_ALBEDO(
99			I bi, bj, siLo, siHi, sjLo, sjHi,
100			I iMin,iMax, jMin,jMax,
101			I iceMask(siLo,sjLo,bi,bj), iceHeight(siLo,sjLo,bi,bj),
102			I snowHeight(siLo,sjLo,bi,bj), Tsrf(siLo,sjLo,bi,bj),
103			I snowAge(siLo,sjLo,bi,bj),
104			O siceAlb(siLo,sjLo,bi,bj),
105			I myTime, myIter, myThid )
106
107			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
108			C part.1 : ice-covered fraction ;
109			C Solve for surface and ice temperature (implicitly) ; compute surf. fluxes
110			C-------
111			DO j = jMin, jMax
112			DO i = iMin, iMax
113			IF (iceMask(i,j,bi,bj).GT.0. _d 0) THEN
114			#ifdef ALLOW_DBUG_THSICE
115			IF ( dBug(i,j,bi,bj) ) THEN
116			WRITE(6,'(A,2I4,2I2)') 'ThSI_STEP_T: i,j=',i,j,bi,bj
117			WRITE(6,1010) 'ThSI_STEP_T: iceMask, hIc, hSn, Tsf =',
118			& iceMask(i,j,bi,bj), iceHeight(i,j,bi,bj),
119			& snowHeight(i,j,bi,bj), Tsrf(i,j,bi,bj)
120			ENDIF
121			#endif
122			C- surface net SW flux:
123			icFlxSW(i,j,bi,bj) = icFlxSW(i,j,bi,bj)
124			& *(1. _d 0 - siceAlb(i,j,bi,bj))
125			tFrzOce(i,j) = -mu_Tf*sOceMxL(i,j,bi,bj)
126			#ifdef ALLOW_ATM2D
127			tmpflx(i,j,0)= icFlxAtm(i,j,bi,bj) +
128			& (Tmlt1-Tsrf(i,j,bi,bj))*dFdT(i,j,bi,bj)
129			tmpflx(i,j,1)= icFlxAtm(i,j,bi,bj)
130			tmpflx(i,j,2)= dFdT(i,j,bi,bj)
131			C print *,'in thsice_step_temp at ',i,j
132			C print *,'tmpflx:',tmpflx(i,j,0),tmpflx(i,j,1),tmpflx(i,j,2)
133			C print *,'ice:',Tsrf(i,j,1,1),iceMask(i,j,1,1),
134			C & iceHeight(i,j,1,1),snowHeight(i,j,1,1)
135			#endif
136			ELSE
137			tFrzOce(i,j) = 0. _d 0
138			ENDIF
139			ENDDO
140			ENDDO
141
142			CALL THSICE_SOLVE4TEMP(
143			I bi, bj, siLo, siHi, sjLo, sjHi,
144			I iMin,iMax, jMin,jMax, dBugFlag,
145			I useBulkForce, useEXF,
146			I iceMask(siLo,sjLo,bi,bj), iceHeight(siLo,sjLo,bi,bj),
147			I snowHeight(siLo,sjLo,bi,bj), tFrzOce, tmpflx,
148			U icFlxSW(siLo,sjLo,bi,bj), Tsrf(siLo,sjLo,bi,bj),
149			U Qice1(siLo,sjLo,bi,bj), Qice2(siLo,sjLo,bi,bj),
150			O Tice1(siLo,sjLo,bi,bj), Tice2(siLo,sjLo,bi,bj), tmpdTs,
151			O sHeating(siLo,sjLo,bi,bj), flxCndBt(siLo,sjLo,bi,bj),
152			O icFlxAtm(siLo,sjLo,bi,bj), icFrwAtm(siLo,sjLo,bi,bj),
153			I myTime, myIter, myThid )
154
155			#ifdef SHORTWAVE_HEATING
156			#ifndef ALLOW_ATM2D
157			DO j = jMin, jMax
158			DO i = iMin, iMax
159			IF (iceMask(i,j,bi,bj).GT.0. _d 0) THEN
160			icFrac = iceMask(i,j,bi,bj)
161			opFrac = 1. _d 0 - icFrac
162			C-- Update Fluxes :
163			Qsw(i,j,bi,bj) = opFrac*Qsw(i,j,bi,bj)
164			& - icFrac*icFlxSW(i,j,bi,bj)
165			ENDIF
166			ENDDO
167			ENDDO
168			#endif
169			#endif /* SHORTWAVE_HEATING */
170			c ENDIF
171
172			C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
173			#endif /* ALLOW_THSICE */
174
175			RETURN
176			END