/[MITgcm]/MITgcm/pkg/seaice/groatb.F
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revision 1.1.2.1 by heimbach, Mon Nov 11 22:01:21 2002 UTC revision 1.1.2.6 by dimitri, Wed Apr 30 02:24:55 2003 UTC
# Line 19  C     === Global variables === Line 19  C     === Global variables ===
19  #include "FFIELDS.h"  #include "FFIELDS.h"
20  #include "SEAICE.h"  #include "SEAICE.h"
21  #include "SEAICE_FFIELDS.h"  #include "SEAICE_FFIELDS.h"
22           COMMON /SEAICE_BOUND_RL/
23         &    MAX_HEFF, MIN_ATEMP, MIN_LWDOWN, MAX_TICE, MIN_TICE,
24         &    SEAICE_EPS, SEAICE_EPS_SQ
25          _RL SEAICE_EPS, SEAICE_EPS_SQ
26          _RL MAX_HEFF, MIN_ATEMP, MIN_LWDOWN, MAX_TICE, MIN_TICE
27    
28  C     === Routine arguments ===  C     === Routine arguments ===
29  C     myThid - Thread no. that called this routine.  C     myThid - Thread no. that called this routine.
30        _RL A22        _RL A22
# Line 29  CEndOfInterface Line 34  CEndOfInterface
34  #ifdef ALLOW_SEAICE  #ifdef ALLOW_SEAICE
35    
36  C     === Local variables ===  C     === Local variables ===
37  C     i,j,k,bi,bj - Loop counters  C     i,j,bi,bj - Loop counters
38    
39        INTEGER i, j, k, bi, bj        INTEGER i, j, bi, bj
40        INTEGER KOPEN        INTEGER KOPEN
41        _RL U1, V1        _RL U1, V1, SPEED_SQ
42    
43        _RL HICE (1-OLx:sNx+OLx, 1-OLy:sNy+OLy)        _RL HICE (1-OLx:sNx+OLx, 1-OLy:sNy+OLy)
       _RL AR   (1-OLx:sNx+OLx, 1-OLy:sNy+OLy)  
44        _RL UG   (1-OLx:sNx+OLx, 1-OLy:sNy+OLy)        _RL UG   (1-OLx:sNx+OLx, 1-OLy:sNy+OLy)
45    
46  C if this is not done before then do it here  C if this is not done before then do it here
47        _EXCH_XY_R8(GAIRX, myThid)        _EXCH_XY_R8(UWIND, myThid)
48        _EXCH_XY_R8(GAIRY, myThid)        _EXCH_XY_R8(VWIND, myThid)
49    
50    c$taf loop = parallel
51        DO bj=myByLo(myThid),myByHi(myThid)        DO bj=myByLo(myThid),myByHi(myThid)
52    c$taf loop = parallel
53         DO bi=myBxLo(myThid),myBxHi(myThid)         DO bi=myBxLo(myThid),myBxHi(myThid)
54    
55  C DETERMINE AMOUNT OF OPEN WATER AND ICE THICKNESS  C DETERMINE AMOUNT OF OPEN WATER AND ICE THICKNESS
56          DO J=1,sNy          DO J=1,sNy
57           DO I=1,sNx           DO I=1,sNx
58            AREA(I,J,2,bi,bj)=MAX(A22,AREA(I,J,2,bi,bj))            AREA(I,J,2,bi,bj)=MAX(A22,AREA(I,J,2,bi,bj))
59            FHEFF(I,J,bi,bj)=0.0            FHEFF(I,J,bi,bj)=0.0 _d 0
60            HICE(I,J)=HEFF(I,J,2,bi,bj)/AREA(I,J,2,bi,bj)            HICE(I,J)=HEFF(I,J,2,bi,bj)/AREA(I,J,2,bi,bj)
61           ENDDO           ENDDO
62          ENDDO          ENDDO
# Line 58  C DETERMINE AMOUNT OF OPEN WATER AND ICE Line 64  C DETERMINE AMOUNT OF OPEN WATER AND ICE
64  C NOW DETERMINE MIXED LAYER TEMPERATURE  C NOW DETERMINE MIXED LAYER TEMPERATURE
65          DO J=1,sNy          DO J=1,sNy
66           DO I=1,sNx           DO I=1,sNx
67            TMIX(I,J,bi,bj)=theta(I,J,1,bi,bj)+273.16E+00            TMIX(I,J,bi,bj)=theta(I,J,1,bi,bj)+273.16 _d +00
68  #ifdef SEAICE_DEBUG  #ifdef SEAICE_DEBUG
69            TMIX(I,J,bi,bj)=MAX(TMIX(I,J,bi,bj),271.2E+00)            TMIX(I,J,bi,bj)=MAX(TMIX(I,J,bi,bj),271.2 _d +00)
70  #endif SEAICE_DEBUG  #endif
71           ENDDO           ENDDO
72          ENDDO          ENDDO
73    
74          DO J=1,sNy          DO J=1,sNy
75           DO I=1,sNx           DO I=1,sNx
76            U1=0.25*(GAIRX(I-1,J-1,bi,bj)+GAIRX(I-1,J,bi,bj)            U1=0.25 _d 0*(UWIND(I+1,J+1,bi,bj)+UWIND(I+1,J,bi,bj)
77       1      +GAIRX(I,J-1,bi,bj)+GAIRX(I,J,bi,bj))       1      +UWIND(I,J+1,bi,bj)+UWIND(I,J,bi,bj))
78            V1=0.25*(GAIRY(I-1,J-1,bi,bj)+GAIRY(I-1,J,bi,bj)            V1=0.25 _d 0*(VWIND(I+1,J+1,bi,bj)+VWIND(I+1,J,bi,bj)
79       1      +GAIRY(I,J-1,bi,bj)+GAIRY(I,J,bi,bj))       1      +VWIND(I,J+1,bi,bj)+VWIND(I,J,bi,bj))
80            UG(I,J)=SQRT(U1**2+V1**2)            SPEED_SQ = U1**2 + V1**2
81              IF ( SPEED_SQ .LT. SEAICE_EPS_SQ ) THEN
82                 UG(I,J)=SEAICE_EPS
83              ELSE
84                 UG(I,J)=SQRT(SPEED_SQ)
85              ENDIF
86           ENDDO           ENDDO
87          ENDDO          ENDDO
88    
# Line 86  C NOW DO ICE Line 97  C NOW DO ICE
97         ENDDO         ENDDO
98        ENDDO        ENDDO
99    
100  #endif ALLOW_SEAICE  #endif /* ALLOW_SEAICE */
101    
102        RETURN        RETURN
103        END        END
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