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C $Header: /u/gcmpack/MITgcm/pkg/thsice/thsice_ini_vars.F,v 1.19 2009/08/25 21:33:28 jmc Exp $ |
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C $Name: $ |
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|
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#include "THSICE_OPTIONS.h" |
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#ifdef ALLOW_AIM |
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# include "AIM_OPTIONS.h" |
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#endif |
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|
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CBOP |
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C !ROUTINE: THSICE_INI_VARS |
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C !INTERFACE: |
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SUBROUTINE THSICE_INI_VARS( myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R THSICE_INI_VARS |
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C | o initialize THermo_SeaICE variables |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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IMPLICIT NONE |
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|
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "FFIELDS.h" |
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#include "THSICE_PARAMS.h" |
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#include "THSICE_VARS.h" |
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#ifdef ALLOW_AIM |
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# include "AIM_FFIELDS.h" |
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#endif |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C myThid :: My Thread Id. number |
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INTEGER myThid |
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CEOP |
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|
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#ifdef ALLOW_THSICE |
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C == Local variables == |
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C bi,bj :: Loop counters |
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C i,j :: Loop counters |
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INTEGER bi, bj |
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INTEGER i, j |
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INTEGER prec |
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c CHARACTER*(MAX_LEN_FNAM) fn |
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_RL v2Loc |
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_RL Tf |
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|
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c set up ice arrays to zero if starting ice |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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C- state variables : |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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iceMask(i,j,bi,bj) = 0. _d 0 |
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iceHeight(i,j,bi,bj)= 0. _d 0 |
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snowHeight(i,j,bi,bj)=0. _d 0 |
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Tsrf(i,j,bi,bj) = 0. _d 0 |
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Tice1(i,j,bi,bj) = 0. _d 0 |
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Tice2(i,j,bi,bj) = 0. _d 0 |
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Qice1(i,j,bi,bj) = 0. _d 0 |
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Qice2(i,j,bi,bj) = 0. _d 0 |
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snowAge(i,j,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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C- fluxes : |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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sHeating(i,j,bi,bj) = 0. _d 0 |
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flxCndBt(i,j,bi,bj) = 0. _d 0 |
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snowPrc(i,j,bi,bj) = 0. _d 0 |
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siceAlb(i,j,bi,bj) = 0. _d 0 |
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icFlxSW (i,j,bi,bj) = 0. _d 0 |
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icFlxAtm(i,j,bi,bj) = 0. _d 0 |
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icFrwAtm(i,j,bi,bj) = 0. _d 0 |
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C- needed when using advection/diffusion: |
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oceFWfx(i,j,bi,bj) = 0. _d 0 |
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oceSflx(i,j,bi,bj) = 0. _d 0 |
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oceQnet(i,j,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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C- oceanic mixed layer state : |
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v2Loc = vMxL_default*vMxL_default |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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hOceMxL(i,j,bi,bj) = hMxL_default |
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tOceMxL(i,j,bi,bj) = 0. _d 0 |
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sOceMxL(i,j,bi,bj) = sMxL_default |
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v2ocMxL(i,j,bi,bj) = v2Loc |
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ENDDO |
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ENDDO |
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#ifdef ALLOW_AIM |
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IF ( useAIM ) THEN |
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C- Mask mixed layer depth : depth is used in thsice slab_ocean |
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C and this mask is used in thsice_advdiff and if coupled |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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IF ( aim_landFr(i,j,bi,bj).EQ.1. _d 0 ) |
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& hOceMxL(i,j,bi,bj) = 0. |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_AIM */ |
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ENDDO |
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ENDDO |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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IF ( startIceModel.LE.0 .AND. |
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& ( nIter0.NE.0 .OR. pickupSuff.NE.' ' ) |
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& ) THEN |
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C-- Read ice pickup fields |
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prec=precFloat64 |
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CALL THSICE_READ_PICKUP( prec, nIter0, myThid ) |
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|
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ELSE |
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C-- Read initial conditions: |
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IF ( thSIceFract_InitFile .NE. ' ' ) THEN |
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CALL READ_REC_XY_RL(thSIceFract_InitFile,iceMask,1,0,myThid) |
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ENDIF |
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IF ( thSIceThick_InitFile .NE. ' ' ) THEN |
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CALL READ_REC_XY_RL(thSIceThick_InitFile,iceHeight,1,0,myThid) |
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ENDIF |
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IF ( thSIceSnowH_InitFile .NE. ' ' ) THEN |
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CALL READ_REC_XY_RL(thSIceSnowH_InitFile,snowHeight,1,0,myThid) |
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ENDIF |
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IF ( thSIceSnowA_InitFile .NE. ' ' ) THEN |
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CALL READ_REC_XY_RL(thSIceSnowA_InitFile,snowAge,1,0,myThid) |
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ENDIF |
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IF ( thSIceEnthp_InitFile .NE. ' ' ) THEN |
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CALL READ_REC_XY_RL(thSIceEnthp_InitFile,Qice1,1,0,myThid) |
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CALL READ_REC_XY_RL(thSIceEnthp_InitFile,Qice2,2,0,myThid) |
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ENDIF |
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IF ( thSIceTsurf_InitFile .NE. ' ' ) THEN |
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CALL READ_REC_XY_RL(thSIceTsurf_InitFile,Tsrf,1,0,myThid) |
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ENDIF |
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IF ( thSIceEnthp_InitFile .EQ. ' ' ) THEN |
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C- enthalpy of new ice in J/kg, taken from thsice_extend.F with Tf beeing |
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C the freezing Temp of seawater computed from a fixed salinity (31.5 psu) |
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C Tf = -mu_Tf*salinity = -1.70 deg C; Qice1 ~ 3.2e5; Qice2 ~ 3.4e5 |
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Tf = -1.70 _d 0 |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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IF (iceMask(i,j,bi,bj) .NE. 0. _d 0) THEN |
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Qice1(i,j,bi,bj) = -cpWater*Tmlt1 |
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& + cpIce *(Tmlt1-Tf) + Lfresh*(1. _d 0-Tmlt1/Tf) |
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Qice2(i,j,bi,bj) = -cpIce *Tf + Lfresh |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDIF |
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|
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_EXCH_XY_RL(iceMask,myThid) |
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_EXCH_XY_RL(iceHeight, myThid) |
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_EXCH_XY_RL(snowHeight,myThid) |
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_EXCH_XY_RL(Tsrf, myThid) |
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_EXCH_XY_RL(Tice1, myThid) |
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_EXCH_XY_RL(Tice2, myThid) |
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_EXCH_XY_RL(Qice1, myThid) |
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_EXCH_XY_RL(Qice2, myThid) |
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_EXCH_XY_RL(snowAge,myThid) |
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|
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C-- Initialise Sea-Ice Loading for SeaIce-Dynamics : |
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IF ( useSEAICE ) THEN |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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sIceLoad(i,j,bi,bj) = ( snowHeight(i,j,bi,bj)*rhos |
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& + iceHeight(i,j,bi,bj)*rhoi |
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& )*iceMask(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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#endif /* ALLOW_THSICE */ |
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|
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RETURN |
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END |
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