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jmc |
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C $Header: $ |
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C $Name: $ |
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#include "SEAICE_OPTIONS.h" |
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#define USE_ORIGINAL_SBI |
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CBOP |
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C !ROUTINE: SEAICE_SOLVE4TEMP |
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C !INTERFACE: |
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SUBROUTINE SEAICE_SOLVE4TEMP( |
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I UG, HICE_ACTUAL, HSNOW_ACTUAL, |
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U TSURF, |
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#ifdef SEAICE_ALLOW_TD_IF |
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O F_io_net, F_ia_net, |
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#endif |
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O F_ia, IcePenetSWFlux, |
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I bi, bj, myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE SOLVE4TEMP |
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C | o Calculate ice growth rate, surface fluxes and |
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C | temperature of ice surface. |
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C | see Hibler, MWR, 108, 1943-1973, 1980 |
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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 "GRID.h" |
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#include "EEPARAMS.h" |
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#include "FFIELDS.h" |
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#include "SEAICE.h" |
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#include "SEAICE_PARAMS.h" |
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#ifdef SEAICE_VARIABLE_FREEZING_POINT |
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#include "DYNVARS.h" |
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#endif /* SEAICE_VARIABLE_FREEZING_POINT */ |
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#ifdef ALLOW_EXF |
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# include "EXF_OPTIONS.h" |
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# include "EXF_FIELDS.h" |
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#endif |
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C !INPUT/OUTPUT PARAMETERS |
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C === Routine arguments === |
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C INPUT: |
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C UG :: thermal wind of atmosphere |
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C HICE_ACTUAL :: actual ice thickness |
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C HSNOW_ACTUAL :: actual snow thickness |
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C TSURF :: surface temperature of ice in Kelvin, updated |
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C bi,bj :: loop indices |
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C OUTPUT: |
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C F_io_net :: net upward conductive heat flux through ice at the base of the ice |
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C F_ia_net :: net heat flux divergence at the sea ice/snow surface: |
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C includes ice conductive fluxes and atmospheric fluxes (W/m^2) |
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C F_ia :: upward sea ice/snow surface heat flux to atmosphere (W/m^2) |
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C IcePenetSWFlux :: short wave heat flux under ice |
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_RL UG (1:sNx,1:sNy) |
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_RL HICE_ACTUAL (1:sNx,1:sNy) |
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_RL HSNOW_ACTUAL (1:sNx,1:sNy) |
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_RL TSURF (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL F_io_net (1:sNx,1:sNy) |
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_RL F_ia_net (1:sNx,1:sNy) |
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_RL F_ia (1:sNx,1:sNy) |
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_RL IcePenetSWFlux (1:sNx,1:sNy) |
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INTEGER bi, bj |
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_RL myTime |
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INTEGER myIter, myThid |
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CEOP |
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C !LOCAL VARIABLES: |
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C === Local variables === |
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_RL F_swi (1:sNx,1:sNy) |
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_RL F_lwd (1:sNx,1:sNy) |
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_RL F_lwu (1:sNx,1:sNy) |
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_RL F_lh (1:sNx,1:sNy) |
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_RL F_sens (1:sNx,1:sNy) |
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_RL F_c (1:sNx,1:sNy) |
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_RL qhice (1:sNx,1:sNy) |
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_RL AbsorbedSWFlux (1:sNx,1:sNy) |
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_RL IcePenetSWFluxFrac (1:sNx,1:sNy) |
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C local copies of global variables |
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_RL tsurfLoc (1:sNx,1:sNy) |
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_RL atempLoc (1:sNx,1:sNy) |
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_RL lwdownLoc (1:sNx,1:sNy) |
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_RL ALB (1:sNx,1:sNy) |
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_RL ALB_ICE (1:sNx,1:sNy) |
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_RL ALB_SNOW (1:sNx,1:sNy) |
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INTEGER KOPEN |
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C i,j - Loop counters |
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INTEGER i, j |
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INTEGER ITER |
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_RL TB, D1, D1I, D3 |
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_RL TMELT, XKI, XKS, HCUT, XIO, dFiDTs1 |
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_RL SurfMeltTemp |
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c Constants to calculate Saturation Vapor Pressure |
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#ifdef USE_ORIGINAL_SBI |
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_RL TMELTP, C1, C2, C3, C4, C5, QS1 |
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_RL A2 (1:sNx,1:sNy) |
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_RL A3 (1:sNx,1:sNy) |
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_RL B (1:sNx,1:sNy) |
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_RL A1 (1:sNx,1:sNy) |
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#else |
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_RL aa1,aa2,bb1,bb2,Ppascals,cc0,cc1,cc2,cc3t |
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C specific humidity at ice surface variables |
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_RL mm_pi,mm_log10pi,dqhice_dTice |
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#endif |
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C effective conductivity of combined ice and snow |
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_RL effConduct |
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C powers of temperature |
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_RL t1, t2, t3, t4 |
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_RL TEN |
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TEN = 10.0 _d 0 |
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#ifdef USE_ORIGINAL_SBI |
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C MAYKUTS CONSTANTS FOR SAT. VAP. PRESSURE TEMP. POLYNOMIAL |
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C1=2.7798202 _d -06 |
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C2=-2.6913393 _d -03 |
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C3=0.97920849 _d +00 |
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C4=-158.63779 _d +00 |
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C5=9653.1925 _d +00 |
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QS1=0.622 _d +00/1013.0 _d +00 |
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#else |
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aa1 = 2663.5 _d 0 |
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aa2 = 12.537 _d 0 |
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bb1 = 0.622 _d 0 |
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bb2 = ONE - bb1 |
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Ppascals = 100000. _d 0 |
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cc0 = TEN ** aa2 |
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cc1 = cc0*aa1*bb1*Ppascals*log(10. _d 0) |
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cc2 = cc0*bb2 |
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#endif |
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C FREEZING TEMPERATURE OF SEAWATER |
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#ifndef SEAICE_VARIABLE_FREEZING_POINT |
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c Use a constant seaswater freezing point |
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#ifdef USE_ORIGINAL_SBI |
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TB=271.2 _d 0 |
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#else |
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TB=273.15 _d 0 + SEAICE_freeze |
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#endif |
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#else |
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c Use a variable seawater freezing point |
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TB = -0.0575 _d 0*salt(I,J,kSrf,bi,bj) + 0.0901 _d 0 |
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& + 273.15 _d 0 |
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#endif |
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C SENSIBLE HEAT CONSTANT |
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D1=SEAICE_sensHeat |
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C ICE LATENT HEAT CONSTANT |
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D1I=SEAICE_latentIce |
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C STEFAN BOLTZMAN CONSTANT TIMES 0.97 EMISSIVITY |
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D3=SEAICE_emissivity |
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C MELTING TEMPERATURE OF ICE |
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#ifdef USE_ORIGINAL_SBI |
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TMELT=273.16 _d +00 |
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TMELTP=273.159 _d +00 |
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SurfMeltTemp = TMELTP |
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#else |
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TMELT = 273.15 _d 0 |
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SurfMeltTemp = TMELT |
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#endif |
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C ICE CONDUCTIVITY |
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XKI=SEAICE_iceConduct |
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C SNOW CONDUCTIVITY |
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XKS=SEAICE_snowConduct |
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C CUTOFF SNOW THICKNESS |
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HCUT=SEAICE_snowThick |
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C PENETRATION SHORTWAVE RADIATION FACTOR |
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XIO=SEAICE_shortwave |
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c Initialize variables |
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DO J=1,sNy |
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DO I=1,sNx |
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IcePenetSWFlux (I,J) = 0. _d 0 |
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IcePenetSWFluxFrac (I,J) = 0. _d 0 |
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AbsorbedSWFlux (I,J) = 0. _d 0 |
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qhice (I,J) = 0. _d 0 |
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F_ia (I,J) = 0. _d 0 |
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F_io_net (I,J) = 0. _d 0 |
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F_ia_net (I,J) = 0. _d 0 |
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c Reset the snow/ice surface to TMELT and bound the atmospheric temperature |
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#ifdef USE_ORIGINAL_SBI |
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tsurfLoc (I,J) = MIN(273.16 _d 0+MAX_TICE,TSURF(I,J,bi,bj)) |
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atempLoc (I,J) = MAX(273.16 _d 0+MIN_ATEMP,ATEMP(I,J,bi,bj)) |
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A1(I,J) = ZERO |
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A2(I,J) = ZERO |
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A3(I,J) = ZERO |
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c B(I,J) = ZERO |
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lwdownLoc(I,J) = MAX(MIN_LWDOWN,LWDOWN(I,J,bi,bj)) |
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#else |
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F_swi (I,J) = 0. _d 0 |
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F_lwd (I,J) = 0. _d 0 |
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F_lwu (I,J) = 0. _d 0 |
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F_lh (I,J) = 0. _d 0 |
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F_sens (I,J) = 0. _d 0 |
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tsurfLoc(I,J) = TSURF(I,J,bi,bj) |
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atempLoc (I,J) = MAX(TMELT + MIN_ATEMP,ATEMP(I,J,bi,bj)) |
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lwdownLoc(I,J) = LWDOWN(I,J,bi,bj) |
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#endif |
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ENDDO |
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ENDDO |
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DO J=1,sNy |
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DO I=1,sNx |
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C DECIDE ON ALBEDO |
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IF (HICE_ACTUAL(I,J) .GT. ZERO) THEN |
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IF ( YC(I,J,bi,bj) .LT. ZERO ) THEN |
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IF (tsurfLoc(I,J) .GE. SurfMeltTemp) THEN |
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ALB_ICE (I,J) = SEAICE_wetIceAlb_south |
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ALB_SNOW(I,J) = SEAICE_wetSnowAlb_south |
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ELSE ! no surface melting |
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ALB_ICE (I,J) = SEAICE_dryIceAlb_south |
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ALB_SNOW(I,J) = SEAICE_drySnowAlb_south |
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ENDIF |
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ELSE !/ Northern Hemisphere |
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IF (tsurfLoc(I,J) .GE. SurfMeltTemp) THEN |
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ALB_ICE (I,J) = SEAICE_wetIceAlb |
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ALB_SNOW(I,J) = SEAICE_wetSnowAlb |
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ELSE ! no surface melting |
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ALB_ICE (I,J) = SEAICE_dryIceAlb |
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ALB_SNOW(I,J) = SEAICE_drySnowAlb |
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ENDIF |
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ENDIF !/ Albedo for snow and ice |
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#ifdef USE_ORIGINAL_SBI |
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c If actual snow thickness exceeds the cutoff thickness, use the |
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c snow albedo |
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IF (HSNOW_ACTUAL(I,J) .GT. HCUT) THEN |
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ALB(I,J) = ALB_SNOW(I,J) |
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c otherwise, use some combination of ice and snow albedo |
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c (What is the source of this formulation ?) |
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ELSE |
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ALB(I,J) = MIN(ALB_ICE(I,J) + HSNOW_ACTUAL(I,J)/HCUT* |
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& (ALB_SNOW(I,J) -ALB_ICE(I,J)), |
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& ALB_SNOW(I,J)) |
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ENDIF |
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#else |
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IF (HSNOW_ACTUAL(I,J) .GT. ZERO) THEN |
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ALB(I,J) = ALB_SNOW(I,J) |
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ELSE |
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ALB(I,J) = ALB_ICE(I,J) |
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ENDIF |
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#endif |
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#ifdef USE_ORIGINAL_SBI |
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C NOW DETERMINE FIXED FORCING TERM IN HEAT BUDGET |
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#ifdef ALLOW_DOWNWARD_RADIATION |
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IF(HSNOW_ACTUAL(I,J).GT.0.0) THEN |
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C NO SW PENETRATION WITH SNOW |
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A1(I,J)=(ONE-ALB(I,J))*SWDOWN(I,J,bi,bj) |
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& +lwdownLoc(I,J)*0.97 _d 0 |
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& +D1*UG(I,J)*atempLoc(I,J)+D1I*UG(I,J)*AQH(I,J,bi,bj) |
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ELSE |
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C SW PENETRATION UNDER ICE |
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A1(I,J)=(ONE-ALB(I,J))*SWDOWN(I,J,bi,bj) |
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& *(ONE-XIO*EXP(-1.5 _d 0*HICE_ACTUAL(I,J))) |
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& +lwdownLoc(I,J)*0.97 _d 0 |
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& +D1*UG(I,J)*atempLoc(I,J)+D1I*UG(I,J)*AQH(I,J,bi,bj) |
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ENDIF |
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#endif |
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#else |
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c The longwave radiative flux convergence |
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F_lwd(I,J) = - 0.97 _d 0 * lwdownLoc(I,J) |
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c Determine the fraction of shortwave radiative flux |
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c remaining after scattering through the snow and ice at |
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c the ocean interface. If snow is present, no radiation |
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c penetrates to the ocean. |
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IF (HSNOW_ACTUAL(I,J) .GT. ZERO) THEN |
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IcePenetSWFluxFrac(I,J) = ZERO |
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ELSE |
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IcePenetSWFluxFrac(I,J) = |
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& XIO*EXP(-1.5 _d 0 * HICE_ACTUAL(I,J)) |
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ENDIF |
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c The shortwave radiative flux convergence in the |
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c seaice. |
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AbsorbedSWFlux(I,J) = -(ONE - ALB(I,J))* |
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& (ONE - IcePenetSWFluxFrac(I,J)) |
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& *SWDOWN(I,J,bi,bj) |
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c The shortwave radiative flux convergence in the |
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c ocean beneath ice. |
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IcePenetSWFlux(I,J) = -(ONE - ALB(I,J))* |
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& IcePenetSWFluxFrac(I,J) |
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& *SWDOWN(I,J,bi,bj) |
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F_swi(I,J) = AbsorbedSWFlux(I,J) |
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c Set a mininum sea ice thickness of 5 cm to bound |
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c the magnitude of conductive heat fluxes. |
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HICE_ACTUAL(I,J) = max(HICE_ACTUAL(I,J),5. _d -2) |
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#endif |
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c The effective conductivity of the two-layer |
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c snow/ice system. |
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#ifdef USE_ORIGINAL_SBI |
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effConduct= |
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& XKS/(HSNOW_ACTUAL(I,J)/HICE_ACTUAL(I,J) + |
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& XKS/XKI)/HICE_ACTUAL(I,J) |
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#else |
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effConduct = XKI * XKS / |
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& (XKS * HICE_ACTUAL(I,J) + XKI * HSNOW_ACTUAL(I,J)) |
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#endif |
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#ifdef SEAICE_DEBUG |
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IF ( (I .EQ. SEAICE_debugPointX) .and. |
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& (J .EQ. SEAICE_debugPointY) ) THEN |
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print '(A,i6)','-----------------------------------' |
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print '(A,i6)','ibi merged initialization ', myIter |
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350 |
|
|
print '(A,i6,4(1x,D24.15))', |
351 |
|
|
& 'ibi iter, TSL, TS ',myIter, |
352 |
|
|
& tsurfLoc(I,J), TSURF(I,J,bi,bj) |
353 |
|
|
|
354 |
|
|
print '(A,i6,4(1x,D24.15))', |
355 |
|
|
& 'ibi iter, TMELT ',myIter,TMELT |
356 |
|
|
|
357 |
|
|
print '(A,i6,4(1x,D24.15))', |
358 |
|
|
& 'ibi iter, HIA, EFKCON ',myIter, |
359 |
|
|
& HICE_ACTUAL(I,J), effConduct |
360 |
|
|
|
361 |
|
|
print '(A,i6,4(1x,D24.15))', |
362 |
|
|
& 'ibi iter, HSNOW ',myIter, |
363 |
|
|
& HSNOW_ACTUAL(I,J), ALB(I,J) |
364 |
|
|
|
365 |
|
|
print '(A,i6)','-----------------------------------' |
366 |
|
|
print '(A,i6)','ibi energy balance iterat ', myIter |
367 |
|
|
|
368 |
|
|
ENDIF |
369 |
|
|
#endif |
370 |
|
|
|
371 |
|
|
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
372 |
|
|
DO ITER=1,IMAX_TICE |
373 |
|
|
|
374 |
|
|
t1 = tsurfLoc(I,J) |
375 |
|
|
t2 = t1*t1 |
376 |
|
|
t3 = t2*t1 |
377 |
|
|
t4 = t2*t2 |
378 |
|
|
|
379 |
|
|
c Calculate the specific humidity in the BL above the snow/ice |
380 |
|
|
#ifdef USE_ORIGINAL_SBI |
381 |
|
|
c Use the Maykut polynomial |
382 |
|
|
qhice(I,J)=QS1*(C1*t4+C2*t3 +C3*t2+C4*t1+C5) |
383 |
|
|
|
384 |
|
|
#else |
385 |
|
|
c Use an approximation which is more accurate at low temperatures |
386 |
|
|
|
387 |
|
|
c log 10 of the sat vap pressure |
388 |
|
|
mm_log10pi = -aa1 / t1 + aa2 |
389 |
|
|
|
390 |
|
|
c The saturation vapor pressure (SVP) in the surface |
391 |
|
|
c boundary layer (BL) above the snow/ice. |
392 |
|
|
mm_pi = TEN **(mm_log10pi) |
393 |
|
|
|
394 |
|
|
qhice(I,J) = bb1*mm_pi / (Ppascals - (ONE - bb1) * |
395 |
|
|
& mm_pi) |
396 |
|
|
#endif |
397 |
|
|
|
398 |
|
|
c Caclulate the flux terms based on the updated tsurfLoc |
399 |
|
|
#ifdef USE_ORIGINAL_SBI |
400 |
|
|
A2(I,J)=-D1*UG(I,J)*t1-D1I*UG(I,J)*qhice(I,J)-D3*t4 |
401 |
|
|
A3(I,J) = 4.0 _d 0 * D3 * t3 + effConduct + D1*UG(I,J) |
402 |
|
|
F_c(I,J)=-effConduct*(TB-tsurfLoc(I,J)) |
403 |
|
|
#else |
404 |
|
|
c A constant for SVP derivative w.r.t TICE |
405 |
|
|
cc3t = TEN **(aa1 / t1) |
406 |
|
|
|
407 |
|
|
c d(qh)/d(TICE) |
408 |
|
|
dqhice_dTice = cc1*cc3t/((cc2-cc3t*Ppascals)**TWO *t2) |
409 |
|
|
|
410 |
|
|
c d(F_ia)/d(TICE) |
411 |
|
|
dFiDTs1 = 4.0 _d 0 * D3*t3 + effConduct + D1*UG(I,J) |
412 |
|
|
& + D1I*UG(I,J)*dqhice_dTice |
413 |
|
|
|
414 |
|
|
F_lh(I,J) = D1I*UG(I,J)*(qhice(I,J)-AQH(I,J,bi,bj)) |
415 |
|
|
|
416 |
|
|
F_c(I,J) = -effConduct * (TB - t1) |
417 |
|
|
|
418 |
|
|
F_lwu(I,J)= t4 * D3 |
419 |
|
|
|
420 |
|
|
F_sens(I,J)= D1 * UG(I,J) * (t1 - atempLoc(I,J)) |
421 |
|
|
|
422 |
|
|
F_ia(I,J) = F_lwd(I,J) + F_swi(I,J) + F_lwu(I,J) + |
423 |
|
|
& F_c(I,J) + F_sens(I,J) + F_lh(I,J) |
424 |
|
|
|
425 |
|
|
#endif |
426 |
|
|
|
427 |
|
|
#ifdef SEAICE_DEBUG |
428 |
|
|
IF ( (I .EQ. SEAICE_debugPointX) .and. |
429 |
|
|
& (J .EQ. SEAICE_debugPointY) ) THEN |
430 |
|
|
print '(A,i6,4(1x,D24.15))', |
431 |
|
|
& 'ice-iter qhICE, ', ITER,qhIce(I,J) |
432 |
|
|
|
433 |
|
|
#ifdef USE_ORIGINAL_SBI |
434 |
|
|
print '(A,i6,4(1x,D24.15))', |
435 |
|
|
& 'ice-iter A1 A2 B ', ITER,A1(I,J), A2(I,J), |
436 |
|
|
& -F_c(I,J) |
437 |
|
|
|
438 |
|
|
print '(A,i6,4(1x,D24.15))', |
439 |
|
|
& 'ice-iter A3 (-A1+A2) ', ITER, A3(I,J), |
440 |
|
|
& -(A1(I,J) + A2(I,J)) |
441 |
|
|
#else |
442 |
|
|
|
443 |
|
|
print '(A,i6,4(1x,D24.15))', |
444 |
|
|
& 'ice-iter dFiDTs1 F_ia ', ITER, dFiDTs1, |
445 |
|
|
& F_ia(I,J) |
446 |
|
|
#endif |
447 |
|
|
|
448 |
|
|
ENDIF |
449 |
|
|
#endif |
450 |
|
|
|
451 |
|
|
c Update tsurfLoc |
452 |
|
|
#ifdef USE_ORIGINAL_SBI |
453 |
|
|
tsurfLoc(I,J)=tsurfLoc(I,J) |
454 |
|
|
& +(A1(I,J)+A2(I,J)-F_c(I,J))/A3(I,J) |
455 |
|
|
|
456 |
|
|
tsurfLoc(I,J) =MAX(273.16 _d 0+MIN_TICE,tsurfLoc(I,J)) |
457 |
|
|
tsurfLoc(I,J) =MIN(tsurfLoc(I,J),TMELT) |
458 |
|
|
|
459 |
|
|
#else |
460 |
|
|
tsurfLoc(I,J) = tsurfLoc(I,J) - F_ia(I,J) / dFiDTs1 |
461 |
|
|
|
462 |
|
|
c If the search leads to tsurfLoc < 50 Kelvin, |
463 |
|
|
c restart the search at tsurfLoc = TMELT. Note that one |
464 |
|
|
c solution to the energy balance problem is an |
465 |
|
|
c extremely low temperature - a temperature far below |
466 |
|
|
c realistic values. |
467 |
|
|
|
468 |
|
|
IF (tsurfLoc(I,J) .LT. 50.0 _d 0 ) THEN |
469 |
|
|
tsurfLoc(I,J) = TMELT |
470 |
|
|
ENDIF |
471 |
|
|
#endif |
472 |
|
|
|
473 |
|
|
#ifdef SEAICE_DEBUG |
474 |
|
|
IF ( (I .EQ. SEAICE_debugPointX) .and. |
475 |
|
|
& (J .EQ. SEAICE_debugPointY) ) THEN |
476 |
|
|
|
477 |
|
|
print '(A,i6,4(1x,D24.15))', |
478 |
|
|
& 'ice-iter tsurfLc,|dif|', ITER, |
479 |
|
|
& tsurfLoc(I,J), |
480 |
|
|
& log10(abs(tsurfLoc(I,J) - t1)) |
481 |
|
|
ENDIF |
482 |
|
|
#endif |
483 |
|
|
|
484 |
|
|
ENDDO !/* Iterations */ |
485 |
|
|
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc |
486 |
|
|
|
487 |
|
|
c Finalize the flux terms |
488 |
|
|
#ifdef USE_ORIGINAL_SBI |
489 |
|
|
F_ia(I,J)=-A1(I,J)-A2(I,J) |
490 |
|
|
TSURF(I,J,bi,bj)=MIN(tsurfLoc(I,J),TMELT) |
491 |
|
|
|
492 |
|
|
IF (HSNOW_ACTUAL(I,J) .GT. ZERO ) THEN |
493 |
|
|
C NO SW PENETRATION WITH SNOW |
494 |
|
|
IcePenetSWFlux(I,J)=ZERO |
495 |
|
|
ELSE |
496 |
|
|
C SW PENETRATION UNDER ICE |
497 |
|
|
|
498 |
|
|
#ifdef ALLOW_DOWNWARD_RADIATION |
499 |
|
|
IcePenetSWFlux(I,J)=-(ONE-ALB(I,J))*SWDOWN(I,J,bi,bj) |
500 |
|
|
& *XIO*EXP(-1.5 _d 0*HICE_ACTUAL(I,J)) |
501 |
|
|
#endif |
502 |
|
|
ENDIF |
503 |
|
|
|
504 |
|
|
#else |
505 |
|
|
tsurfLoc(I,J) = MIN(tsurfLoc(I,J),TMELT) |
506 |
|
|
TSURF(I,J,bi,bj) = tsurfLoc(I,J) |
507 |
|
|
|
508 |
|
|
c Recalculate the fluxes based on the (possibly) adjusted TSURF |
509 |
|
|
t1 = tsurfLoc(I,J) |
510 |
|
|
t2 = t1*t1 |
511 |
|
|
t3 = t2*t1 |
512 |
|
|
t4 = t2*t2 |
513 |
|
|
|
514 |
|
|
c log 10 of the sat vap pressure |
515 |
|
|
mm_log10pi = -aa1 / t1 + aa2 |
516 |
|
|
|
517 |
|
|
c saturation vapor pressure |
518 |
|
|
mm_pi = TEN **(mm_log10pi) |
519 |
|
|
|
520 |
|
|
c over ice specific humidity |
521 |
|
|
qhice(I,J) = bb1*mm_pi/(Ppascals- (ONE - bb1) * mm_pi) |
522 |
|
|
|
523 |
|
|
F_lh(I,J) = D1I * UG(I,J)*(qhice(I,J)-AQH(I,J,bi,bj)) |
524 |
|
|
F_c(I,J) = -effConduct * (TB - t1) |
525 |
|
|
F_lwu(I,J) = t4 * D3 |
526 |
|
|
F_sens(I,J) = D1 * UG(I,J) * (t1 - atempLoc(I,J)) |
527 |
|
|
|
528 |
|
|
c The flux between the ice/snow surface and the atmosphere. |
529 |
|
|
c (excludes upward conductive fluxes) |
530 |
|
|
F_ia(I,J) = F_lwd(I,J) + F_swi(I,J) + F_lwu(I,J) + |
531 |
|
|
& F_sens(I,J) + F_lh(I,J) |
532 |
|
|
#endif |
533 |
|
|
|
534 |
|
|
c Caclulate the net ice-ocean and ice-atmosphere fluxes |
535 |
|
|
IF (F_c(I,J) .LT. ZERO) THEN |
536 |
|
|
F_io_net(I,J) = -F_c(I,J) |
537 |
|
|
F_ia_net(I,J) = ZERO |
538 |
|
|
ELSE |
539 |
|
|
F_io_net(I,J) = ZERO |
540 |
|
|
F_ia_net(I,J) = F_lwd(I,J) + F_swi(I,J) + F_lwu(I,J) + |
541 |
|
|
& F_sens(I,J) + F_lh(I,J) |
542 |
|
|
ENDIF !/* conductive fluxes up or down */ |
543 |
|
|
|
544 |
|
|
|
545 |
|
|
#ifdef SEAICE_DEBUG |
546 |
|
|
IF ( (I .EQ. SEAICE_debugPointX) .and. |
547 |
|
|
& (J .EQ. SEAICE_debugPointY) ) THEN |
548 |
|
|
|
549 |
|
|
print '(A)','----------------------------------------' |
550 |
|
|
print '(A,i6)','ibi complete ', myIter |
551 |
|
|
|
552 |
|
|
print '(A,4(1x,D24.15))', |
553 |
|
|
& 'ibi T(SURF, surfLoc,atmos) ', |
554 |
|
|
& TSURF(I,J,bi,bj), tsurfLoc(I,J),atempLoc(I,J) |
555 |
|
|
|
556 |
|
|
print '(A,4(1x,D24.15))', |
557 |
|
|
& 'ibi LWL ', lwdownLoc(I,J) |
558 |
|
|
|
559 |
|
|
print '(A,4(1x,D24.15))', |
560 |
|
|
& 'ibi QSW(Total, Penetrating)', |
561 |
|
|
& SWDOWN(I,J,bi,bj), IcePenetSWFlux(I,J) |
562 |
|
|
|
563 |
|
|
print '(A,4(1x,D24.15))', |
564 |
|
|
& 'ibi qh(ATM ICE) ', |
565 |
|
|
& AQH(I,J,bi,bj),qhice(I,J) |
566 |
|
|
|
567 |
|
|
c print '(A,4(1x,D24.15))', |
568 |
|
|
c & 'ibi F(lwd,swi,lwu) ', |
569 |
|
|
c & F_lwd(I,J), F_swi(I,J), F_lwu(I,J) |
570 |
|
|
|
571 |
|
|
c print '(A,4(1x,D24.15))', |
572 |
|
|
c & 'ibi F(c,lh,sens) ', |
573 |
|
|
c & F_c(I,J), F_lh(I,J), F_sens(I,J) |
574 |
|
|
|
575 |
|
|
print '(A,4(1x,D24.15))', |
576 |
|
|
& 'ibi F_ia, F_ia_net, F_c ', |
577 |
|
|
#ifdef USE_ORIGINAL_SBI |
578 |
|
|
& -(A1(I,J)+A2(I,J)), |
579 |
|
|
& -(A1(I,J)+A2(I,J)-F_c(I,J)), |
580 |
|
|
& F_c(I,J) |
581 |
|
|
#else |
582 |
|
|
& F_ia(I,J), |
583 |
|
|
& F_ia_net(I,J), |
584 |
|
|
& F_c(I,J) |
585 |
|
|
#endif |
586 |
|
|
|
587 |
|
|
print '(A)','----------------------------------------' |
588 |
|
|
|
589 |
|
|
ENDIF |
590 |
|
|
#endif |
591 |
|
|
|
592 |
|
|
ENDIF !/* HICE_ACTUAL > 0 */ |
593 |
|
|
|
594 |
|
|
ENDDO !/* i */ |
595 |
|
|
ENDDO !/* j */ |
596 |
|
|
|
597 |
|
|
RETURN |
598 |
|
|
END |