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cheisey |
1.1 |
#include "CPP_OPTIONS.h" |
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C !ROUTINE: ICE_EXTRASTART |
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C !INTERFACE: |
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SUBROUTINE ICE_EXTRASTART(i,j, bi, bj, myThid, qleft, |
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& esurp,fresh,fsalt,Tf,Ta, compact ) |
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C *==========================================================* |
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C | S/R ICE_EXTRASTART |
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C | o Check water temperature and start ice layer if |
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C | appropriate. |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == Global variables == |
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#include "SIZE.h" |
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#include "DYNVARS.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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cswdice -- add --- |
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#ifdef ALLOW_THERM_SEAICE |
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#include "ICE.h" |
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#include "ICE_DIAGS.h" |
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#include "BULKF_ICE_CONSTANTS.h" |
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#endif |
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cswdice -- end add --- |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine Arguments == |
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INTEGER bi,bj |
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INTEGER myThid |
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_RL esurp ! energy available for freezing |
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_RL fresh ! fresh water flux |
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_RL fsalt ! salt water flux |
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_RL Tf ! freezing temperature |
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_RL Ta ! air temperature |
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_RL compact ! fraction of grid area covered in ice |
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_RL qleft |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i,j |
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_RL qi0av, hi0new,compact2, hice_old |
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_RL qicen (2) ! ice enthalpy (J m-3) |
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_RL hlyr ! individual ice layer thickness (m) |
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_RL hnew(2) ! new ice layer thickness (m) |
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_RL hi ! ice height |
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_RL hs ! snow height |
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#ifdef ALLOW_THERM_SEAICE |
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hice_old=iceHeight(i,j,bi,bj) |
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hi=iceHeight(i,j,bi,bj) |
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hs=snowHeight(i,j,bi,bj) |
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qicen(1)=Qice1(i,j,bi,bj) |
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qicen(2)=Qice2(i,j,bi,bj) |
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hnew(1)=0.d0 |
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hnew(2)=0.d0 |
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C start ice |
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qi0av=-rhoi*Lfresh |
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hi0new=-esurp*deltaTtracer/qi0av |
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c redistribute ice over portion of cell if too thin |
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if (hi0new.lt.hicemin) then |
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compact2=(1.d0-compact)*hi0new/hicemin |
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hi0new=hicemin |
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else |
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compact2=(1.d0-compact) |
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endif |
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if ((compact+compact2).gt.1.d0) then |
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print*,'QQQQQQQQQ ice mask > 1, ice_extrastart' |
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stop |
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endif |
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hi=(compact2*hi0new+compact*hi)/ |
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& (compact+compact2) |
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hs=(compact2*0.d0+compact*hs)/ |
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& (compact+compact2) |
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hlyr=hi/2 |
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hnew(2)=hi-hice_old |
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call new_layers_winton(hs,hi,hlyr,hnew,qicen) |
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fresh=(compact2*(-(rhoi*hi0new)/deltaTtracer)+ |
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& compact*fresh)/(compact+compact2) |
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fsalt=(compact2*(-(rhoi*hi0new*saltice ) |
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& /35.d0/deltaTtracer) + compact*fsalt)/ |
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& (compact+compact2) |
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qleft=(-compact2*esurp+compact*qleft)/(compact+compact2) |
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iceMask(i,j,bi,bj)=compact+compact2 |
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iceHeight(i,j,bi,bj)=hi |
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snowHeight(i,j,bi,bj)=hs |
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Qice1(i,j,bi,bj)=qicen(1) |
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Qice2(i,j,bi,bj)=qicen(2) |
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cBB |
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cBB print*,'**** ice start **** i,j', i,j |
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cBB print*,'qi1, qi2',Qice1(i,j,bi,bj), Qice2(i,j,bi,bj), Qi0av |
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cBB print*,'hi, fresh',hi0new, fresh |
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cBB print*,'*******************' |
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cBB print*,' ' |
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#endif |
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RETURN |
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END |
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