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C $Header: /u/gcmpack/MITgcm_contrib/atnguyen/code_21Dec2012_saltplume/seaice_growth.F,v 1.1 2012/12/21 10:00:29 atn Exp $ |
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atn |
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C $Name: $ |
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#include "SEAICE_OPTIONS.h" |
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CBOP |
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C !ROUTINE: SEAICE_GROWTH |
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C !INTERFACE: |
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SUBROUTINE SEAICE_GROWTH( myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE seaice_growth |
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C | o Updata ice thickness and snow depth |
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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 "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "DYNVARS.h" |
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#include "GRID.h" |
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#include "FFIELDS.h" |
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#include "SEAICE_PARAMS.h" |
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#include "SEAICE.h" |
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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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# include "EXF_PARAM.h" |
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#endif |
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#ifdef ALLOW_SALT_PLUME |
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# include "SALT_PLUME.h" |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.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 myTime :: Simulation time |
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C myIter :: Simulation timestep number |
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C myThid :: Thread no. that called this routine. |
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_RL myTime |
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INTEGER myIter, myThid |
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C !FUNCTIONS: |
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#ifdef ALLOW_DIAGNOSTICS |
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LOGICAL DIAGNOSTICS_IS_ON |
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EXTERNAL DIAGNOSTICS_IS_ON |
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#endif |
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C !LOCAL VARIABLES: |
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C === Local variables === |
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C |
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C unit/sign convention: |
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C Within the thermodynamic computation all stocks, except HSNOW, |
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C are in 'effective ice meters' units, and >0 implies more ice. |
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C This holds for stocks due to ocean and atmosphere heat, |
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C at the outset of 'PART 2: determine heat fluxes/stocks' |
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C and until 'PART 7: determine ocean model forcing' |
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C This strategy minimizes the need for multiplications/divisions |
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C by ice fraction, heat capacity, etc. The only conversions that |
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C occurs are for the HSNOW (in effective snow meters) and |
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C PRECIP (fresh water m/s). |
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C |
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C HEFF is effective Hice thickness (m3/m2) |
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C HSNOW is Heffective snow thickness (m3/m2) |
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C HSALT is Heffective salt content (g/m2) |
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C AREA is the seaice cover fraction (0<=AREA<=1) |
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C Q denotes heat stocks -- converted to ice stocks (m3/m2) early on |
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C |
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C For all other stocks/increments, such as d_HEFFbyATMonOCN |
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C or a_QbyATM_cover, the naming convention is as follows: |
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C The prefix 'a_' means available, the prefix 'd_' means delta |
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C (i.e. increment), and the prefix 'r_' means residual. |
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C The suffix '_cover' denotes a value for the ice covered fraction |
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C of the grid cell, whereas '_open' is for the open water fraction. |
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C The main part of the name states what ice/snow stock is concerned |
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C (e.g. QbyATM or HEFF), and how it is affected (e.g. d_HEFFbyATMonOCN |
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C is the increment of HEFF due to the ATMosphere extracting heat from the |
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C OCeaN surface, or providing heat to the OCeaN surface). |
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CEOP |
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C i,j,bi,bj :: Loop counters |
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INTEGER i, j, bi, bj |
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C number of surface interface layer |
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INTEGER kSurface |
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C constants |
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_RL TBC, ICE2SNOW |
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_RL QI, QS |
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C a_QbyATM_cover :: available heat (in W/m^2) due to the interaction of |
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C the atmosphere and the ocean surface - for ice covered water |
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C a_QbyATM_open :: same but for open water |
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C r_QbyATM_cover :: residual of a_QbyATM_cover after freezing/melting processes |
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C r_QbyATM_open :: same but for open water |
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_RL a_QbyATM_cover (1:sNx,1:sNy) |
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_RL a_QbyATM_open (1:sNx,1:sNy) |
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_RL r_QbyATM_cover (1:sNx,1:sNy) |
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_RL r_QbyATM_open (1:sNx,1:sNy) |
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C a_QSWbyATM_open - short wave heat flux over ocean in W/m^2 |
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C a_QSWbyATM_cover - short wave heat flux under ice in W/m^2 |
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_RL a_QSWbyATM_open (1:sNx,1:sNy) |
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_RL a_QSWbyATM_cover (1:sNx,1:sNy) |
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C a_QbyOCN :: available heat (in in W/m^2) due to the |
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C interaction of the ice pack and the ocean surface |
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C r_QbyOCN :: residual of a_QbyOCN after freezing/melting |
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C processes have been accounted for |
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_RL a_QbyOCN (1:sNx,1:sNy) |
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_RL r_QbyOCN (1:sNx,1:sNy) |
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C conversion factors to go from Q (W/m2) to HEFF (ice meters) |
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_RL convertQ2HI, convertHI2Q |
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C conversion factors to go from precip (m/s) unit to HEFF (ice meters) |
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_RL convertPRECIP2HI, convertHI2PRECIP |
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C ICE/SNOW stocks tendencies associated with the various melt/freeze processes |
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_RL d_AREAbyATM (1:sNx,1:sNy) |
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#ifdef FENTY_AREA_EXPANSION_CONTRACTION |
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_RL d_AREAbyOCN (1:sNx,1:sNy) |
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_RL d_AREAbyICE (1:sNx,1:sNy) |
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#endif |
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_RL d_HEFFbyNEG (1:sNx,1:sNy) |
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_RL d_HEFFbyOCNonICE (1:sNx,1:sNy) |
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_RL d_HEFFbyATMonOCN (1:sNx,1:sNy) |
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_RL d_HEFFbyATMonICE (1:sNx,1:sNy) |
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_RL d_HEFFbyFLOODING (1:sNx,1:sNy) |
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_RL d_HEFFbyATMonOCN_open(1:sNx,1:sNy) |
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_RL d_HSNWbyNEG (1:sNx,1:sNy) |
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_RL d_HSNWbyATMonSNW (1:sNx,1:sNy) |
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_RL d_HSNWbyOCNonSNW (1:sNx,1:sNy) |
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_RL d_HSNWbyRAIN (1:sNx,1:sNy) |
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_RL d_HFRWbyRAIN (1:sNx,1:sNy) |
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C |
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C a_FWbySublim :: fresh water flux implied by latent heat of |
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C sublimation to atmosphere, same sign convention |
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C as EVAP (positive upward) |
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_RL a_FWbySublim (1:sNx,1:sNy) |
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#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
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_RL d_HEFFbySublim (1:sNx,1:sNy) |
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_RL d_HSNWbySublim (1:sNx,1:sNy) |
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_RL rodt, rrodt |
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#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
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C actual ice thickness with upper and lower limit |
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_RL heffActual (1:sNx,1:sNy) |
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C actual snow thickness |
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_RL hsnowActual (1:sNx,1:sNy) |
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C AREA_PRE :: hold sea-ice fraction field before any seaice-thermo update |
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_RL AREApreTH (1:sNx,1:sNy) |
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_RL HEFFpreTH (1:sNx,1:sNy) |
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_RL HSNWpreTH (1:sNx,1:sNy) |
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C wind speed |
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_RL UG (1:sNx,1:sNy) |
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#ifdef ALLOW_ATM_WIND |
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_RL SPEED_SQ |
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#endif |
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C pathological cases thresholds |
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_RL heffTooThin, heffTooHeavy |
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C temporary variables available for the various computations |
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#ifdef SEAICE_GROWTH_LEGACY |
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_RL tmpscal0 |
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#endif |
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_RL tmpscal1, tmpscal2, tmpscal3, tmpscal4 |
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_RL tmparr1 (1:sNx,1:sNy) |
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#ifdef ALLOW_SEAICE_FLOODING |
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_RL hDraft |
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#endif /* ALLOW_SEAICE_FLOODING */ |
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#ifdef SEAICE_SALINITY |
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_RL saltFluxAdjust (1:sNx,1:sNy) |
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#endif |
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INTEGER nDim |
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#ifdef SEAICE_MULTICATEGORY |
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INTEGER ilockey |
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PARAMETER ( nDim = MULTDIM ) |
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INTEGER it |
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_RL pFac |
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_RL heffActualP (1:sNx,1:sNy) |
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_RL a_QbyATMmult_cover (1:sNx,1:sNy) |
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_RL a_QSWbyATMmult_cover(1:sNx,1:sNy) |
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_RL a_FWbySublimMult (1:sNx,1:sNy) |
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#else |
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PARAMETER ( nDim = 1 ) |
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#endif /* SEAICE_MULTICATEGORY */ |
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#ifdef FENTY_AREA_EXPANSION_CONTRACTION |
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_RL heff_star |
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#endif |
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#ifdef MCPHEE_OCEAN_ICE_HEAT_FLUX |
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C Factor by which we increase the upper ocean friction velocity (u*) when |
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C ice is absent in a grid cell (dimensionless) |
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_RL MixedLayerTurbulenceFactor |
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c The Stanton number for the McPhee |
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c ocean-ice heat flux parameterization (dimensionless) |
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_RL STANTON_NUMBER |
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c A typical friction velocity beneath sea ice for the |
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c McPhee heat flux parameterization (m/s) |
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_RL USTAR_BASE |
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_RL surf_theta |
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_RL F_oi (1:sNx,1:sNy) |
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#endif |
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#ifdef ALLOW_DIAGNOSTICS |
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_RL DIAGarray (1:sNx,1:sNy) |
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_RL DIAGarrayA (1:sNx,1:sNy) |
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_RL DIAGarrayB (1:sNx,1:sNy) |
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_RL DIAGarrayC (1:sNx,1:sNy) |
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_RL DIAGarrayD (1:sNx,1:sNy) |
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#endif |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C =================================================================== |
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C =================PART 0: constants and initializations============= |
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C =================================================================== |
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IF ( buoyancyRelation .EQ. 'OCEANICP' ) THEN |
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kSurface = Nr |
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ELSE |
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kSurface = 1 |
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ENDIF |
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C Cutoff for very thin ice |
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heffTooThin=1. _d -5 |
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C Cutoff for iceload |
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heffTooHeavy=dRf(kSurface) / 5. _d 0 |
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C FREEZING TEMP. OF SEA WATER (deg C) |
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TBC = SEAICE_freeze |
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C RATIO OF SEA ICE DENSITY to SNOW DENSITY |
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ICE2SNOW = SEAICE_rhoIce/SEAICE_rhoSnow |
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C HEAT OF FUSION OF ICE (J/m^3) |
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QI = SEAICE_rhoIce*SEAICE_lhFusion |
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C HEAT OF FUSION OF SNOW (J/m^3) |
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QS = SEAICE_rhoSnow*SEAICE_lhFusion |
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C |
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C note that QI/QS=ICE2SNOW -- except it wasnt in old code |
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#ifdef MCPHEE_OCEAN_ICE_HEAT_FLUX |
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STANTON_NUMBER = 0.0056 _d 0 |
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USTAR_BASE = 0.0125 _d 0 |
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#endif |
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C conversion factors to go from Q (W/m2) to HEFF (ice meters) |
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convertQ2HI=SEAICE_deltaTtherm/QI |
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convertHI2Q=1/convertQ2HI |
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C conversion factors to go from precip (m/s) unit to HEFF (ice meters) |
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convertPRECIP2HI=SEAICE_deltaTtherm*rhoConstFresh/SEAICE_rhoIce |
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convertHI2PRECIP=1./convertPRECIP2HI |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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#ifdef ALLOW_AUTODIFF_TAMC |
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act1 = bi - myBxLo(myThid) |
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max1 = myBxHi(myThid) - myBxLo(myThid) + 1 |
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act2 = bj - myByLo(myThid) |
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max2 = myByHi(myThid) - myByLo(myThid) + 1 |
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act3 = myThid - 1 |
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max3 = nTx*nTy |
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act4 = ikey_dynamics - 1 |
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iicekey = (act1 + 1) + act2*max1 |
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& + act3*max1*max2 |
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& + act4*max1*max2*max3 |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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C array initializations |
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C ===================== |
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DO J=1,sNy |
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DO I=1,sNx |
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a_QbyATM_cover (I,J) = 0.0 _d 0 |
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a_QbyATM_open(I,J) = 0.0 _d 0 |
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r_QbyATM_cover (I,J) = 0.0 _d 0 |
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r_QbyATM_open (I,J) = 0.0 _d 0 |
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a_QSWbyATM_open (I,J) = 0.0 _d 0 |
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a_QSWbyATM_cover (I,J) = 0.0 _d 0 |
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a_QbyOCN (I,J) = 0.0 _d 0 |
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r_QbyOCN (I,J) = 0.0 _d 0 |
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d_AREAbyATM(I,J) = 0.0 _d 0 |
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#ifdef FENTY_AREA_EXPANSION_CONTRACTION |
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d_AREAbyICE(I,J) = 0.0 _d 0 |
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d_AREAbyOCN(I,J) = 0.0 _d 0 |
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#endif |
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d_HEFFbyOCNonICE(I,J) = 0.0 _d 0 |
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d_HEFFbyATMonOCN(I,J) = 0.0 _d 0 |
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d_HEFFbyATMonICE(I,J) = 0.0 _d 0 |
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d_HEFFbyFLOODING(I,J) = 0.0 _d 0 |
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d_HEFFbyATMonOCN_open(I,J) = 0.0 _d 0 |
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d_HSNWbyATMonSNW(I,J) = 0.0 _d 0 |
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d_HSNWbyOCNonSNW(I,J) = 0.0 _d 0 |
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d_HSNWbyRAIN(I,J) = 0.0 _d 0 |
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a_FWbySublim(I,J) = 0.0 _d 0 |
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#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
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d_HEFFbySublim(I,J) = 0.0 _d 0 |
| 322 |
|
|
d_HSNWbySublim(I,J) = 0.0 _d 0 |
| 323 |
|
|
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
| 324 |
|
|
c |
| 325 |
|
|
d_HFRWbyRAIN(I,J) = 0.0 _d 0 |
| 326 |
|
|
|
| 327 |
|
|
tmparr1(I,J) = 0.0 _d 0 |
| 328 |
|
|
|
| 329 |
|
|
#ifdef SEAICE_SALINITY |
| 330 |
|
|
saltFluxAdjust(I,J) = 0.0 _d 0 |
| 331 |
|
|
#endif |
| 332 |
|
|
#ifdef SEAICE_MULTICATEGORY |
| 333 |
|
|
a_QbyATMmult_cover(I,J) = 0.0 _d 0 |
| 334 |
|
|
a_QSWbyATMmult_cover(I,J) = 0.0 _d 0 |
| 335 |
|
|
a_FWbySublimMult(I,J) = 0.0 _d 0 |
| 336 |
|
|
#endif /* SEAICE_MULTICATEGORY */ |
| 337 |
|
|
ENDDO |
| 338 |
|
|
ENDDO |
| 339 |
|
|
#ifdef ALLOW_MEAN_SFLUX_COST_CONTRIBUTION |
| 340 |
|
|
DO J=1-oLy,sNy+oLy |
| 341 |
|
|
DO I=1-oLx,sNx+oLx |
| 342 |
|
|
frWtrAtm(I,J,bi,bj) = 0.0 _d 0 |
| 343 |
|
|
ENDDO |
| 344 |
|
|
ENDDO |
| 345 |
|
|
#endif |
| 346 |
|
|
|
| 347 |
|
|
|
| 348 |
|
|
C ===================================================================== |
| 349 |
|
|
C ===========PART 1: treat pathological cases (post advdiff)=========== |
| 350 |
|
|
C ===================================================================== |
| 351 |
|
|
|
| 352 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 353 |
|
|
|
| 354 |
|
|
DO J=1,sNy |
| 355 |
|
|
DO I=1,sNx |
| 356 |
|
|
HEFFpreTH(I,J)=HEFFNM1(I,J,bi,bj) |
| 357 |
|
|
HSNWpreTH(I,J)=HSNOW(I,J,bi,bj) |
| 358 |
|
|
AREApreTH(I,J)=AREANM1(I,J,bi,bj) |
| 359 |
|
|
d_HEFFbyNEG(I,J)=0. _d 0 |
| 360 |
|
|
d_HSNWbyNEG(I,J)=0. _d 0 |
| 361 |
|
|
ENDDO |
| 362 |
|
|
ENDDO |
| 363 |
|
|
|
| 364 |
|
|
#else /* SEAICE_GROWTH_LEGACY */ |
| 365 |
|
|
|
| 366 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 367 |
|
|
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
| 368 |
|
|
Cgf no dependency through pathological cases treatment |
| 369 |
|
|
if ( SEAICEadjMODE.EQ.0 ) then |
| 370 |
|
|
#endif |
| 371 |
|
|
#endif |
| 372 |
|
|
|
| 373 |
|
|
C 1) treat the case of negative values: |
| 374 |
|
|
|
| 375 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 376 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 377 |
|
|
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 378 |
|
|
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 379 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 380 |
|
|
DO J=1,sNy |
| 381 |
|
|
DO I=1,sNx |
| 382 |
|
|
d_HEFFbyNEG(I,J)=MAX(-HEFF(I,J,bi,bj),0. _d 0) |
| 383 |
|
|
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj)+d_HEFFbyNEG(I,J) |
| 384 |
|
|
d_HSNWbyNEG(I,J)=MAX(-HSNOW(I,J,bi,bj),0. _d 0) |
| 385 |
|
|
HSNOW(I,J,bi,bj)=HSNOW(I,J,bi,bj)+d_HSNWbyNEG(I,J) |
| 386 |
|
|
AREA(I,J,bi,bj)=MAX(AREA(I,J,bi,bj),0. _d 0) |
| 387 |
|
|
ENDDO |
| 388 |
|
|
ENDDO |
| 389 |
|
|
|
| 390 |
|
|
C 1.25) treat the case of very thin ice: |
| 391 |
|
|
|
| 392 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 393 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 394 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 395 |
|
|
DO J=1,sNy |
| 396 |
|
|
DO I=1,sNx |
| 397 |
|
|
if (HEFF(I,J,bi,bj).LE.heffTooThin) then |
| 398 |
|
|
tmpscal2=-HEFF(I,J,bi,bj) |
| 399 |
|
|
tmpscal3=-HSNOW(I,J,bi,bj) |
| 400 |
|
|
TICE(I,J,bi,bj)=celsius2K |
| 401 |
|
|
else |
| 402 |
|
|
tmpscal2=0. _d 0 |
| 403 |
|
|
tmpscal3=0. _d 0 |
| 404 |
|
|
endif |
| 405 |
|
|
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj)+tmpscal2 |
| 406 |
|
|
d_HEFFbyNEG(I,J)=d_HEFFbyNEG(I,J)+tmpscal2 |
| 407 |
|
|
HSNOW(I,J,bi,bj)=HSNOW(I,J,bi,bj)+tmpscal3 |
| 408 |
|
|
d_HSNWbyNEG(I,J)=d_HSNWbyNEG(I,J)+tmpscal3 |
| 409 |
|
|
ENDDO |
| 410 |
|
|
ENDDO |
| 411 |
|
|
|
| 412 |
|
|
C 1.5) treat the case of area but no ice/snow: |
| 413 |
|
|
|
| 414 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 415 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 416 |
|
|
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 417 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 418 |
|
|
DO J=1,sNy |
| 419 |
|
|
DO I=1,sNx |
| 420 |
|
|
IF ((HEFF(i,j,bi,bj).EQ.0. _d 0).AND. |
| 421 |
|
|
& (HSNOW(i,j,bi,bj).EQ.0. _d 0)) AREA(I,J,bi,bj)=0. _d 0 |
| 422 |
|
|
ENDDO |
| 423 |
|
|
ENDDO |
| 424 |
|
|
|
| 425 |
|
|
C 2) treat the case of very small area: |
| 426 |
|
|
|
| 427 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 428 |
|
|
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 429 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 430 |
|
|
DO J=1,sNy |
| 431 |
|
|
DO I=1,sNx |
| 432 |
|
|
IF ((HEFF(i,j,bi,bj).GT.0).OR.(HSNOW(i,j,bi,bj).GT.0)) |
| 433 |
|
|
& AREA(I,J,bi,bj)=MAX(AREA(I,J,bi,bj),areaMin) |
| 434 |
|
|
ENDDO |
| 435 |
|
|
ENDDO |
| 436 |
|
|
|
| 437 |
|
|
C 2.5) treat case of excessive ice cover: |
| 438 |
|
|
|
| 439 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 440 |
|
|
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 441 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 442 |
|
|
DO J=1,sNy |
| 443 |
|
|
DO I=1,sNx |
| 444 |
|
|
AREA(I,J,bi,bj)=MIN(AREA(I,J,bi,bj),areaMax) |
| 445 |
|
|
ENDDO |
| 446 |
|
|
ENDDO |
| 447 |
|
|
|
| 448 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 449 |
|
|
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
| 450 |
|
|
endif |
| 451 |
|
|
#endif |
| 452 |
|
|
#endif |
| 453 |
|
|
|
| 454 |
|
|
C 3) store regularized values of heff, hsnow, area at the onset of thermo. |
| 455 |
|
|
DO J=1,sNy |
| 456 |
|
|
DO I=1,sNx |
| 457 |
|
|
HEFFpreTH(I,J)=HEFF(I,J,bi,bj) |
| 458 |
|
|
HSNWpreTH(I,J)=HSNOW(I,J,bi,bj) |
| 459 |
|
|
AREApreTH(I,J)=AREA(I,J,bi,bj) |
| 460 |
|
|
ENDDO |
| 461 |
|
|
ENDDO |
| 462 |
|
|
|
| 463 |
|
|
|
| 464 |
|
|
|
| 465 |
|
|
C 4) treat sea ice salinity pathological cases |
| 466 |
|
|
#ifdef SEAICE_SALINITY |
| 467 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 468 |
|
|
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 469 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 470 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 471 |
|
|
DO J=1,sNy |
| 472 |
|
|
DO I=1,sNx |
| 473 |
|
|
IF ( (HSALT(I,J,bi,bj) .LT. 0.0).OR. |
| 474 |
|
|
& (HEFF(I,J,bi,bj) .EQ. 0.0) ) THEN |
| 475 |
|
|
saltFluxAdjust(I,J) = - HEFFM(I,J,bi,bj) * |
| 476 |
|
|
& HSALT(I,J,bi,bj) / SEAICE_deltaTtherm |
| 477 |
|
|
HSALT(I,J,bi,bj) = 0.0 _d 0 |
| 478 |
|
|
ENDIF |
| 479 |
|
|
ENDDO |
| 480 |
|
|
ENDDO |
| 481 |
|
|
#endif /* SEAICE_SALINITY */ |
| 482 |
|
|
|
| 483 |
|
|
C 5) treat sea ice age pathological cases |
| 484 |
|
|
C ... |
| 485 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 486 |
|
|
|
| 487 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 488 |
|
|
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
| 489 |
|
|
Cgf no additional dependency of air-sea fluxes to ice |
| 490 |
|
|
if ( SEAICEadjMODE.GE.1 ) then |
| 491 |
|
|
DO J=1,sNy |
| 492 |
|
|
DO I=1,sNx |
| 493 |
|
|
HEFFpreTH(I,J) = 0. _d 0 |
| 494 |
|
|
HSNWpreTH(I,J) = 0. _d 0 |
| 495 |
|
|
AREApreTH(I,J) = 0. _d 0 |
| 496 |
|
|
ENDDO |
| 497 |
|
|
ENDDO |
| 498 |
|
|
endif |
| 499 |
|
|
#endif |
| 500 |
|
|
#endif |
| 501 |
|
|
|
| 502 |
|
|
C 4) COMPUTE ACTUAL ICE/SNOW THICKNESS; USE MIN/MAX VALUES |
| 503 |
|
|
C TO REGULARIZE SEAICE_SOLVE4TEMP/d_AREA COMPUTATIONS |
| 504 |
|
|
|
| 505 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 506 |
|
|
CADJ STORE AREApreTH = comlev1_bibj, key = iicekey, byte = isbyte |
| 507 |
|
|
CADJ STORE HEFFpreTH = comlev1_bibj, key = iicekey, byte = isbyte |
| 508 |
|
|
CADJ STORE HSNWpreTH = comlev1_bibj, key = iicekey, byte = isbyte |
| 509 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 510 |
|
|
DO J=1,sNy |
| 511 |
|
|
DO I=1,sNx |
| 512 |
|
|
tmpscal1 = MAX(areaMin,AREApreTH(I,J)) |
| 513 |
|
|
hsnowActual(I,J) = HSNWpreTH(I,J)/tmpscal1 |
| 514 |
|
|
tmpscal2 = HEFFpreTH(I,J)/tmpscal1 |
| 515 |
|
|
heffActual(I,J) = MAX(tmpscal2,hiceMin) |
| 516 |
|
|
Cgf do we need to keep this comment? |
| 517 |
|
|
C Capping the actual ice thickness effectively enforces a |
| 518 |
|
|
C minimum of heat flux through the ice and helps getting rid of |
| 519 |
|
|
C very thick ice. |
| 520 |
|
|
Cdm actually, this does exactly the opposite, i.e., ice is thicker |
| 521 |
|
|
Cdm when heffActual is capped, so I am commenting out |
| 522 |
|
|
Cdm heffActual(I,J) = MIN(heffActual(I,J),9.0 _d +00) |
| 523 |
|
|
ENDDO |
| 524 |
|
|
ENDDO |
| 525 |
|
|
|
| 526 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 527 |
|
|
#ifdef SEAICE_SIMPLIFY_GROWTH_ADJ |
| 528 |
|
|
CALL ZERO_ADJ_1D( sNx*sNy, heffActual, myThid) |
| 529 |
|
|
CALL ZERO_ADJ_1D( sNx*sNy, hsnowActual, myThid) |
| 530 |
|
|
#endif |
| 531 |
|
|
#endif |
| 532 |
|
|
|
| 533 |
|
|
|
| 534 |
|
|
C =================================================================== |
| 535 |
|
|
C ================PART 2: determine heat fluxes/stocks=============== |
| 536 |
|
|
C =================================================================== |
| 537 |
|
|
|
| 538 |
|
|
C determine available heat due to the atmosphere -- for open water |
| 539 |
|
|
C ================================================================ |
| 540 |
|
|
|
| 541 |
|
|
C ocean surface/mixed layer temperature |
| 542 |
|
|
DO J=1,sNy |
| 543 |
|
|
DO I=1,sNx |
| 544 |
|
|
TMIX(I,J,bi,bj)=theta(I,J,kSurface,bi,bj)+celsius2K |
| 545 |
|
|
ENDDO |
| 546 |
|
|
ENDDO |
| 547 |
|
|
|
| 548 |
|
|
C wind speed from exf |
| 549 |
|
|
DO J=1,sNy |
| 550 |
|
|
DO I=1,sNx |
| 551 |
|
|
UG(I,J) = MAX(SEAICE_EPS,wspeed(I,J,bi,bj)) |
| 552 |
|
|
ENDDO |
| 553 |
|
|
ENDDO |
| 554 |
|
|
|
| 555 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 556 |
|
|
CADJ STORE qnet(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 557 |
|
|
CADJ STORE qsw(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 558 |
|
|
cCADJ STORE UG = comlev1_bibj, key = iicekey,byte=isbyte |
| 559 |
|
|
cCADJ STORE TMIX(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
| 560 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 561 |
|
|
|
| 562 |
|
|
CALL SEAICE_BUDGET_OCEAN( |
| 563 |
|
|
I UG, |
| 564 |
|
|
U TMIX, |
| 565 |
|
|
O a_QbyATM_open, a_QSWbyATM_open, |
| 566 |
|
|
I bi, bj, myTime, myIter, myThid ) |
| 567 |
|
|
|
| 568 |
|
|
C determine available heat due to the atmosphere -- for ice covered water |
| 569 |
|
|
C ======================================================================= |
| 570 |
|
|
|
| 571 |
|
|
#ifdef ALLOW_ATM_WIND |
| 572 |
|
|
IF (useRelativeWind) THEN |
| 573 |
|
|
C Compute relative wind speed over sea ice. |
| 574 |
|
|
DO J=1,sNy |
| 575 |
|
|
DO I=1,sNx |
| 576 |
|
|
SPEED_SQ = |
| 577 |
|
|
& (uWind(I,J,bi,bj) |
| 578 |
|
|
& +0.5 _d 0*(uVel(i,j,kSurface,bi,bj) |
| 579 |
|
|
& +uVel(i+1,j,kSurface,bi,bj)) |
| 580 |
|
|
& -0.5 _d 0*(uice(i,j,bi,bj)+uice(i+1,j,bi,bj)))**2 |
| 581 |
|
|
& +(vWind(I,J,bi,bj) |
| 582 |
|
|
& +0.5 _d 0*(vVel(i,j,kSurface,bi,bj) |
| 583 |
|
|
& +vVel(i,j+1,kSurface,bi,bj)) |
| 584 |
|
|
& -0.5 _d 0*(vice(i,j,bi,bj)+vice(i,j+1,bi,bj)))**2 |
| 585 |
|
|
IF ( SPEED_SQ .LE. SEAICE_EPS_SQ ) THEN |
| 586 |
|
|
UG(I,J)=SEAICE_EPS |
| 587 |
|
|
ELSE |
| 588 |
|
|
UG(I,J)=SQRT(SPEED_SQ) |
| 589 |
|
|
ENDIF |
| 590 |
|
|
ENDDO |
| 591 |
|
|
ENDDO |
| 592 |
|
|
ENDIF |
| 593 |
|
|
#endif |
| 594 |
|
|
|
| 595 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 596 |
|
|
CADJ STORE tice = comlev1, key = ikey_dynamics, byte = isbyte |
| 597 |
|
|
CADJ STORE hsnowActual = comlev1_bibj, key = iicekey, byte = isbyte |
| 598 |
|
|
CADJ STORE heffActual = comlev1_bibj, key = iicekey, byte = isbyte |
| 599 |
|
|
CADJ STORE UG = comlev1_bibj, key = iicekey, byte = isbyte |
| 600 |
|
|
# ifdef SEAICE_MULTICATEGORY |
| 601 |
|
|
CADJ STORE tices = comlev1, key = ikey_dynamics, byte = isbyte |
| 602 |
|
|
# endif /* SEAICE_MULTICATEGORY */ |
| 603 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 604 |
|
|
|
| 605 |
|
|
C-- Start loop over multi-categories, if SEAICE_MULTICATEGORY is undefined |
| 606 |
|
|
C nDim = 1, and there is only one loop iteration |
| 607 |
|
|
#ifdef SEAICE_MULTICATEGORY |
| 608 |
|
|
DO IT=1,nDim |
| 609 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 610 |
|
|
C Why do we need this store directive when we have just stored |
| 611 |
|
|
C TICES before the loop? |
| 612 |
|
|
ilockey = (iicekey-1)*nDim + IT |
| 613 |
|
|
CADJ STORE tices(:,:,it,bi,bj) = comlev1_multdim, |
| 614 |
|
|
CADJ & key = ilockey, byte = isbyte |
| 615 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 616 |
|
|
pFac = (2.0 _d 0*real(IT)-1.0 _d 0)/nDim |
| 617 |
|
|
DO J=1,sNy |
| 618 |
|
|
DO I=1,sNx |
| 619 |
|
|
heffActualP(I,J)= heffActual(I,J)*pFac |
| 620 |
|
|
TICE(I,J,bi,bj)=TICES(I,J,IT,bi,bj) |
| 621 |
|
|
ENDDO |
| 622 |
|
|
ENDDO |
| 623 |
|
|
CALL SEAICE_SOLVE4TEMP( |
| 624 |
|
|
I UG, heffActualP, hsnowActual, |
| 625 |
|
|
U TICE, |
| 626 |
|
|
O a_QbyATMmult_cover, a_QSWbyATMmult_cover, |
| 627 |
|
|
O a_FWbySublimMult, |
| 628 |
|
|
I bi, bj, myTime, myIter, myThid ) |
| 629 |
|
|
DO J=1,sNy |
| 630 |
|
|
DO I=1,sNx |
| 631 |
|
|
C average over categories |
| 632 |
|
|
a_QbyATM_cover (I,J) = a_QbyATM_cover(I,J) |
| 633 |
|
|
& + a_QbyATMmult_cover(I,J)/nDim |
| 634 |
|
|
a_QSWbyATM_cover (I,J) = a_QSWbyATM_cover(I,J) |
| 635 |
|
|
& + a_QSWbyATMmult_cover(I,J)/nDim |
| 636 |
|
|
a_FWbySublim (I,J) = a_FWbySublim(I,J) |
| 637 |
|
|
& + a_FWbySublimMult(I,J)/nDim |
| 638 |
|
|
TICES(I,J,IT,bi,bj) = TICE(I,J,bi,bj) |
| 639 |
|
|
ENDDO |
| 640 |
|
|
ENDDO |
| 641 |
|
|
ENDDO |
| 642 |
|
|
#else |
| 643 |
|
|
CALL SEAICE_SOLVE4TEMP( |
| 644 |
|
|
I UG, heffActual, hsnowActual, |
| 645 |
|
|
U TICE, |
| 646 |
|
|
O a_QbyATM_cover, a_QSWbyATM_cover, a_FWbySublim, |
| 647 |
|
|
I bi, bj, myTime, myIter, myThid ) |
| 648 |
|
|
#endif /* SEAICE_MULTICATEGORY */ |
| 649 |
|
|
C-- End loop over multi-categories |
| 650 |
|
|
|
| 651 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 652 |
|
|
IF ( useDiagnostics ) THEN |
| 653 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIatmQnt',myThid) ) THEN |
| 654 |
|
|
DO J=1,sNy |
| 655 |
|
|
DO I=1,sNx |
| 656 |
|
|
CML If I consider the atmosphere above the ice, the surface flux |
| 657 |
|
|
CML which is relevant for the air temperature dT/dt Eq |
| 658 |
|
|
CML accounts for sensible and radiation (with different treatment |
| 659 |
|
|
CML according to wave-length) fluxes but not for "latent heat flux", |
| 660 |
|
|
CML since it does not contribute to heating the air. |
| 661 |
|
|
CML So this diagnostic is only good for heat budget calculations within |
| 662 |
|
|
CML the ice-ocean system. |
| 663 |
|
|
DIAGarray(I,J) = maskC(I,J,kSurface,bi,bj) * ( |
| 664 |
|
|
& a_QbyATM_cover(I,J) * AREApreTH(I,J) |
| 665 |
|
|
& + a_QbyATM_open(I,J) * ( ONE - AREApreTH(I,J) ) ) |
| 666 |
|
|
ENDDO |
| 667 |
|
|
ENDDO |
| 668 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray,'SIatmQnt',0,1,3,bi,bj,myThid) |
| 669 |
|
|
ENDIF |
| 670 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIfwSubl',myThid) ) THEN |
| 671 |
|
|
DO J=1,sNy |
| 672 |
|
|
DO I=1,sNx |
| 673 |
|
|
DIAGarray(I,J) = maskC(I,J,kSurface,bi,bj) * |
| 674 |
|
|
& a_FWbySublim(I,J) * AREApreTH(I,J) |
| 675 |
|
|
ENDDO |
| 676 |
|
|
ENDDO |
| 677 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray,'SIfwSubl',0,1,3,bi,bj,myThid) |
| 678 |
|
|
ENDIF |
| 679 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIatmFW ',myThid) ) THEN |
| 680 |
|
|
DO J=1,sNy |
| 681 |
|
|
DO I=1,sNx |
| 682 |
|
|
DIAGarray(I,J) = maskC(I,J,kSurface,bi,bj)*( |
| 683 |
|
|
& PRECIP(I,J,bi,bj) |
| 684 |
|
|
& - EVAP(I,J,bi,bj) |
| 685 |
|
|
& *( ONE - AREApreTH(I,J) ) |
| 686 |
|
|
#ifdef ALLOW_RUNOFF |
| 687 |
|
|
& + RUNOFF(I,J,bi,bj) |
| 688 |
|
|
#endif /* ALLOW_RUNOFF */ |
| 689 |
|
|
& )*rhoConstFresh |
| 690 |
|
|
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
| 691 |
|
|
& - a_FWbySublim(I,J)*AREApreTH(I,J) |
| 692 |
|
|
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
| 693 |
|
|
ENDDO |
| 694 |
|
|
ENDDO |
| 695 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray,'SIatmFW ',0,1,3,bi,bj,myThid) |
| 696 |
|
|
ENDIF |
| 697 |
|
|
ENDIF |
| 698 |
|
|
#endif /* ALLOW_DIAGNOSTICS */ |
| 699 |
|
|
|
| 700 |
|
|
C switch heat fluxes from W/m2 to 'effective' ice meters |
| 701 |
|
|
DO J=1,sNy |
| 702 |
|
|
DO I=1,sNx |
| 703 |
|
|
a_QbyATM_cover(I,J) = a_QbyATM_cover(I,J) |
| 704 |
|
|
& * convertQ2HI * AREApreTH(I,J) |
| 705 |
|
|
a_QSWbyATM_cover(I,J) = a_QSWbyATM_cover(I,J) |
| 706 |
|
|
& * convertQ2HI * AREApreTH(I,J) |
| 707 |
|
|
a_QbyATM_open(I,J) = a_QbyATM_open(I,J) |
| 708 |
|
|
& * convertQ2HI * ( ONE - AREApreTH(I,J) ) |
| 709 |
|
|
a_QSWbyATM_open(I,J) = a_QSWbyATM_open(I,J) |
| 710 |
|
|
& * convertQ2HI * ( ONE - AREApreTH(I,J) ) |
| 711 |
|
|
C and initialize r_QbyATM_cover/r_QbyATM_open |
| 712 |
|
|
r_QbyATM_cover(I,J)=a_QbyATM_cover(I,J) |
| 713 |
|
|
r_QbyATM_open(I,J)=a_QbyATM_open(I,J) |
| 714 |
|
|
|
| 715 |
|
|
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
| 716 |
|
|
C Convert fresh water flux by sublimation to 'effective' ice meters. |
| 717 |
|
|
C Negative sublimation is resublimation and will be added as snow. |
| 718 |
|
|
a_FWbySublim(I,J) = SEAICE_deltaTtherm/SEAICE_rhoIce |
| 719 |
|
|
& * a_FWbySublim(I,J)*AREApreTH(I,J) |
| 720 |
|
|
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
| 721 |
|
|
ENDDO |
| 722 |
|
|
ENDDO |
| 723 |
|
|
|
| 724 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 725 |
|
|
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
| 726 |
|
|
Cgf no additional dependency through ice cover |
| 727 |
|
|
if ( SEAICEadjMODE.GE.3 ) then |
| 728 |
|
|
DO J=1,sNy |
| 729 |
|
|
DO I=1,sNx |
| 730 |
|
|
a_QbyATM_cover(I,J) = 0. _d 0 |
| 731 |
|
|
r_QbyATM_cover(I,J) = 0. _d 0 |
| 732 |
|
|
a_QSWbyATM_cover(I,J) = 0. _d 0 |
| 733 |
|
|
ENDDO |
| 734 |
|
|
ENDDO |
| 735 |
|
|
endif |
| 736 |
|
|
#endif |
| 737 |
|
|
#endif |
| 738 |
|
|
|
| 739 |
|
|
C determine available heat due to the ice pack tying the |
| 740 |
|
|
C underlying surface water temperature to freezing point |
| 741 |
|
|
C ====================================================== |
| 742 |
|
|
|
| 743 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 744 |
|
|
CADJ STORE theta(:,:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 745 |
|
|
#endif |
| 746 |
|
|
|
| 747 |
|
|
|
| 748 |
|
|
DO J=1,sNy |
| 749 |
|
|
DO I=1,sNx |
| 750 |
|
|
|
| 751 |
|
|
#ifdef SEAICE_VARIABLE_FREEZING_POINT |
| 752 |
|
|
TBC = -0.0575 _d 0*salt(I,J,kSurface,bi,bj) + 0.0901 _d 0 |
| 753 |
|
|
#endif /* SEAICE_VARIABLE_FREEZING_POINT */ |
| 754 |
|
|
|
| 755 |
|
|
#ifdef MCPHEE_OCEAN_ICE_HEAT_FLUX |
| 756 |
|
|
DIAGarrayA (I,J) = ZERO |
| 757 |
|
|
|
| 758 |
|
|
c Bound the ocean temperature to be at or above the freezing point. |
| 759 |
|
|
surf_theta = max(theta(I,J,kSurface,bi,bj), TBC) |
| 760 |
|
|
#ifdef GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR |
| 761 |
|
|
MixedLayerTurbulenceFactor = 12.5 _d 0 - |
| 762 |
|
|
& 11.5 *AREApreTH(I,J) |
| 763 |
|
|
#else |
| 764 |
|
|
c If ice is present, MixedLayerTurbulenceFactor = 1.0, else 12.50 |
| 765 |
|
|
IF (AREApreTH(I,J) .GT. 0. _d 0) THEN |
| 766 |
|
|
MixedLayerTurbulenceFactor = ONE |
| 767 |
|
|
ELSE |
| 768 |
|
|
MixedLayerTurbulenceFactor = 12.5 _d 0 |
| 769 |
|
|
ENDIF |
| 770 |
|
|
#endif /* GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR */ |
| 771 |
|
|
|
| 772 |
|
|
c The flux |
| 773 |
|
|
F_oi(I,J) = -STANTON_NUMBER * USTAR_BASE * rhoConst * |
| 774 |
|
|
& HeatCapacity_Cp *(surf_theta - TBC)* |
| 775 |
|
|
& MixedLayerTurbulenceFactor*hFacC(i,j,kSurface,bi,bj) |
| 776 |
|
|
|
| 777 |
|
|
a_QbyOCN(I,J) = F_oi(I,J) * convertQ2HI |
| 778 |
|
|
|
| 779 |
|
|
#else |
| 780 |
|
|
|
| 781 |
|
|
IF ( .NOT. inAdMode ) THEN |
| 782 |
|
|
IF ( theta(I,J,kSurface,bi,bj) .GE. TBC ) THEN |
| 783 |
|
|
a_QbyOCN(i,j) = -SEAICE_availHeatFrac |
| 784 |
|
|
& * (theta(I,J,kSurface,bi,bj)-TBC) * dRf(kSurface) |
| 785 |
|
|
& * hFacC(i,j,kSurface,bi,bj) * |
| 786 |
|
|
& (HeatCapacity_Cp*rhoConst/QI) |
| 787 |
|
|
ELSE |
| 788 |
|
|
a_QbyOCN(i,j) = -SEAICE_availHeatFracFrz |
| 789 |
|
|
& * (theta(I,J,kSurface,bi,bj)-TBC) * dRf(kSurface) |
| 790 |
|
|
& * hFacC(i,j,kSurface,bi,bj) * |
| 791 |
|
|
& (HeatCapacity_Cp*rhoConst/QI) |
| 792 |
|
|
ENDIF |
| 793 |
|
|
ELSE |
| 794 |
|
|
a_QbyOCN(i,j) = 0. |
| 795 |
|
|
ENDIF |
| 796 |
|
|
|
| 797 |
|
|
#endif /* MCPHEE_OCEAN_ICE_HEAT_FLUX */ |
| 798 |
|
|
|
| 799 |
|
|
r_QbyOCN(i,j) = a_QbyOCN(i,j) |
| 800 |
|
|
|
| 801 |
|
|
ENDDO |
| 802 |
|
|
ENDDO |
| 803 |
|
|
|
| 804 |
|
|
#ifdef MCPHEE_OCEAN_ICE_HEAT_FLUX |
| 805 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 806 |
|
|
IF ( useDiagnostics ) THEN |
| 807 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM10',myThid) ) THEN |
| 808 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
| 809 |
|
|
& 'SIDDUM10',0,1,3,bi,bj,myThid) |
| 810 |
|
|
ENDIF |
| 811 |
|
|
ENDIF |
| 812 |
|
|
#endif |
| 813 |
|
|
#endif |
| 814 |
|
|
|
| 815 |
|
|
|
| 816 |
|
|
|
| 817 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 818 |
|
|
#ifdef SEAICE_SIMPLIFY_GROWTH_ADJ |
| 819 |
|
|
CALL ZERO_ADJ_1D( sNx*sNy, r_QbyOCN, myThid) |
| 820 |
|
|
#endif |
| 821 |
|
|
#endif |
| 822 |
|
|
|
| 823 |
|
|
|
| 824 |
|
|
C =================================================================== |
| 825 |
|
|
C =========PART 3: determine effective thicknesses increments======== |
| 826 |
|
|
C =================================================================== |
| 827 |
|
|
|
| 828 |
|
|
C compute ice thickness tendency due to ice-ocean interaction |
| 829 |
|
|
C =========================================================== |
| 830 |
|
|
|
| 831 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 832 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 833 |
|
|
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
| 834 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 835 |
|
|
|
| 836 |
|
|
DO J=1,sNy |
| 837 |
|
|
DO I=1,sNx |
| 838 |
|
|
d_HEFFbyOCNonICE(I,J)=MAX(r_QbyOCN(i,j), -HEFF(I,J,bi,bj)) |
| 839 |
|
|
r_QbyOCN(I,J)=r_QbyOCN(I,J)-d_HEFFbyOCNonICE(I,J) |
| 840 |
|
|
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj) + d_HEFFbyOCNonICE(I,J) |
| 841 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 842 |
|
|
DIAGarrayA(I,J) = d_HEFFbyOCNonICE(i,j) |
| 843 |
|
|
#endif |
| 844 |
|
|
ENDDO |
| 845 |
|
|
ENDDO |
| 846 |
|
|
|
| 847 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 848 |
|
|
IF ( useDiagnostics ) THEN |
| 849 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM01',myThid) ) THEN |
| 850 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
| 851 |
|
|
& 'SIDDUM01',0,1,3,bi,bj,myThid) |
| 852 |
|
|
ENDIF |
| 853 |
|
|
ENDIF |
| 854 |
|
|
#endif |
| 855 |
|
|
|
| 856 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 857 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 858 |
|
|
IF ( useDiagnostics ) THEN |
| 859 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIyneg ',myThid) ) THEN |
| 860 |
|
|
CALL DIAGNOSTICS_FILL(d_HEFFbyOCNonICE, |
| 861 |
|
|
& 'SIyneg ',0,1,1,bi,bj,myThid) |
| 862 |
|
|
ENDIF |
| 863 |
|
|
ENDIF |
| 864 |
|
|
#endif |
| 865 |
|
|
#endif |
| 866 |
|
|
|
| 867 |
|
|
C compute snow melt tendency due to snow-atmosphere interaction |
| 868 |
|
|
C ================================================================== |
| 869 |
|
|
|
| 870 |
|
|
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
| 871 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 872 |
|
|
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 873 |
|
|
CADJ STORE a_FWbySublim = comlev1_bibj,key=iicekey,byte=isbyte |
| 874 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 875 |
|
|
C First apply sublimation to snow |
| 876 |
|
|
rodt = ICE2SNOW |
| 877 |
|
|
rrodt = 1./rodt |
| 878 |
|
|
DO J=1,sNy |
| 879 |
|
|
DO I=1,sNx |
| 880 |
|
|
IF ( a_FWbySublim(I,J) .LT. 0. _d 0 ) THEN |
| 881 |
|
|
C resublimate as snow |
| 882 |
|
|
d_HSNWbySublim(I,J) = -a_FWbySublim(I,J)*rodt |
| 883 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) + d_HSNWbySublim(I,J) |
| 884 |
|
|
a_FWbySublim(I,J) = 0. _d 0 |
| 885 |
|
|
ENDIF |
| 886 |
|
|
C sublimate snow first |
| 887 |
|
|
tmpscal1 = MIN(a_FWbySublim(I,J)*rodt,HSNOW(I,J,bi,bj)) |
| 888 |
|
|
tmpscal2 = MAX(tmpscal1,0. _d 0) |
| 889 |
|
|
d_HSNWbySublim(I,J) = - tmpscal2 |
| 890 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) - tmpscal2 |
| 891 |
|
|
a_FWbySublim(I,J) = a_FWbySublim(I,J) - tmpscal2*rrodt |
| 892 |
|
|
ENDDO |
| 893 |
|
|
ENDDO |
| 894 |
|
|
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
| 895 |
|
|
|
| 896 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 897 |
|
|
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 898 |
|
|
CADJ STORE r_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
| 899 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 900 |
|
|
|
| 901 |
|
|
DO J=1,sNy |
| 902 |
|
|
DO I=1,sNx |
| 903 |
|
|
tmpscal1=MAX(r_QbyATM_cover(I,J)*ICE2SNOW,-HSNOW(I,J,bi,bj)) |
| 904 |
|
|
tmpscal2=MIN(tmpscal1,0. _d 0) |
| 905 |
|
|
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
| 906 |
|
|
Cgf no additional dependency through snow |
| 907 |
|
|
if ( SEAICEadjMODE.GE.2 ) tmpscal2 = 0. _d 0 |
| 908 |
|
|
#endif |
| 909 |
|
|
d_HSNWbyATMonSNW(I,J)= tmpscal2 |
| 910 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) + tmpscal2 |
| 911 |
|
|
r_QbyATM_cover(I,J)=r_QbyATM_cover(I,J) - tmpscal2/ICE2SNOW |
| 912 |
|
|
ENDDO |
| 913 |
|
|
ENDDO |
| 914 |
|
|
|
| 915 |
|
|
C compute ice thickness tendency due to the atmosphere |
| 916 |
|
|
C ==================================================== |
| 917 |
|
|
|
| 918 |
|
|
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
| 919 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 920 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 921 |
|
|
CADJ STORE a_FWbySublim = comlev1_bibj,key=iicekey,byte=isbyte |
| 922 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 923 |
|
|
C Apply sublimation to ice |
| 924 |
|
|
rodt = 1. _d 0 |
| 925 |
|
|
rrodt = 1./rodt |
| 926 |
|
|
DO J=1,sNy |
| 927 |
|
|
DO I=1,sNx |
| 928 |
|
|
C If anything is left, sublimate ice |
| 929 |
|
|
tmpscal1 = MIN(a_FWbySublim(I,J)*rodt,HEFF(I,J,bi,bj)) |
| 930 |
|
|
tmpscal2 = MAX(tmpscal1,0. _d 0) |
| 931 |
|
|
d_HEFFbySublim(I,J) = - tmpscal2 |
| 932 |
|
|
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) - tmpscal2 |
| 933 |
|
|
a_FWbySublim(I,J) = a_FWbySublim(I,J) - tmpscal2*rrodt |
| 934 |
|
|
ENDDO |
| 935 |
|
|
ENDDO |
| 936 |
|
|
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
| 937 |
|
|
|
| 938 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 939 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 940 |
|
|
CADJ STORE r_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
| 941 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 942 |
|
|
|
| 943 |
|
|
Cgf note: this block is not actually tested by lab_sea |
| 944 |
|
|
Cgf where all experiments start in January. So even though |
| 945 |
|
|
Cgf the v1.81=>v1.82 revision would change results in |
| 946 |
|
|
Cgf warming conditions, the lab_sea results were not changed. |
| 947 |
|
|
|
| 948 |
|
|
DO J=1,sNy |
| 949 |
|
|
DO I=1,sNx |
| 950 |
|
|
#ifdef FENTY_DELTA_HEFF_OPEN_WATER_FLUXES |
| 951 |
|
|
c Thickening of the existing ice pack is limited by the |
| 952 |
|
|
c residual capability of the ocean to melt (weighted by |
| 953 |
|
|
c the ice-covered area) |
| 954 |
|
|
tmpscal2 = MAX(-HEFF(i,j,bi,bj) , |
| 955 |
|
|
& r_QbyATM_cover(I,J) + AREApreTH(I,J) * r_QbyOCN(I,J)) |
| 956 |
|
|
#else |
| 957 |
|
|
tmpscal2 = MAX(-HEFF(I,J,bi,bj),r_QbyATM_cover(I,J)) |
| 958 |
|
|
#endif FENTY_DELTA_HEFF_OPEN_WATER_FLUXES |
| 959 |
|
|
|
| 960 |
|
|
d_HEFFbyATMonICE(I,J)=d_HEFFbyATMonICE(I,J)+tmpscal2 |
| 961 |
|
|
r_QbyATM_cover(I,J)=r_QbyATM_cover(I,J)-tmpscal2 |
| 962 |
|
|
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal2 |
| 963 |
|
|
|
| 964 |
|
|
DIAGarrayA(I,J) = d_HEFFbyATMonICE(I,J) |
| 965 |
|
|
DIAGarrayB(I,J) = r_QbyATM_cover(I,J) |
| 966 |
|
|
ENDDO |
| 967 |
|
|
ENDDO |
| 968 |
|
|
|
| 969 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 970 |
|
|
IF ( useDiagnostics ) THEN |
| 971 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM02',myThid) ) THEN |
| 972 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
| 973 |
|
|
& 'SIDDUM02',0,1,3,bi,bj,myThid) |
| 974 |
|
|
ENDIF |
| 975 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM09',myThid) ) THEN |
| 976 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayB, |
| 977 |
|
|
& 'SIDDUM09',0,1,3,bi,bj,myThid) |
| 978 |
|
|
ENDIF |
| 979 |
|
|
ENDIF |
| 980 |
|
|
#endif |
| 981 |
|
|
|
| 982 |
|
|
C attribute precip to fresh water or snow stock, |
| 983 |
|
|
C depending on atmospheric conditions. |
| 984 |
|
|
C ================================================= |
| 985 |
|
|
#ifdef ALLOW_ATM_TEMP |
| 986 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 987 |
|
|
CADJ STORE a_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
| 988 |
|
|
CADJ STORE PRECIP(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 989 |
|
|
CADJ STORE AREApreTH = comlev1_bibj,key=iicekey,byte=isbyte |
| 990 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 991 |
|
|
DO J=1,sNy |
| 992 |
|
|
DO I=1,sNx |
| 993 |
|
|
C possible alternatives to the a_QbyATM_cover criterium |
| 994 |
|
|
c IF (TICE(I,J,bi,bj) .LT. TMIX) THEN |
| 995 |
|
|
c IF (atemp(I,J,bi,bj) .LT. celsius2K) THEN |
| 996 |
|
|
IF ( a_QbyATM_cover(I,J).GE. 0. _d 0 ) THEN |
| 997 |
|
|
C add precip as snow |
| 998 |
|
|
d_HFRWbyRAIN(I,J)=0. _d 0 |
| 999 |
|
|
d_HSNWbyRAIN(I,J)=convertPRECIP2HI*ICE2SNOW* |
| 1000 |
|
|
& PRECIP(I,J,bi,bj)*AREApreTH(I,J) |
| 1001 |
|
|
ELSE |
| 1002 |
|
|
C add precip to the fresh water bucket |
| 1003 |
|
|
d_HFRWbyRAIN(I,J)=-convertPRECIP2HI* |
| 1004 |
|
|
& PRECIP(I,J,bi,bj)*AREApreTH(I,J) |
| 1005 |
|
|
d_HSNWbyRAIN(I,J)=0. _d 0 |
| 1006 |
|
|
ENDIF |
| 1007 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) + d_HSNWbyRAIN(I,J) |
| 1008 |
|
|
ENDDO |
| 1009 |
|
|
ENDDO |
| 1010 |
|
|
Cgf note: this does not affect air-sea heat flux, |
| 1011 |
|
|
Cgf since the implied air heat gain to turn |
| 1012 |
|
|
Cgf rain to snow is not a surface process. |
| 1013 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1014 |
|
|
IF ( useDiagnostics ) THEN |
| 1015 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIsnPrcp',myThid) ) THEN |
| 1016 |
|
|
DO J=1,sNy |
| 1017 |
|
|
DO I=1,sNx |
| 1018 |
|
|
DIAGarray(I,J) = maskC(I,J,kSurface,bi,bj) |
| 1019 |
|
|
& * d_HSNWbyRAIN(I,J)*SEAICE_rhoSnow/SEAICE_deltaTtherm |
| 1020 |
|
|
ENDDO |
| 1021 |
|
|
ENDDO |
| 1022 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray,'SIsnPrcp',0,1,3,bi,bj,myThid) |
| 1023 |
|
|
ENDIF |
| 1024 |
|
|
ENDIF |
| 1025 |
|
|
#endif /* ALLOW_DIAGNOSTICS */ |
| 1026 |
|
|
#endif /* ALLOW_ATM_TEMP */ |
| 1027 |
|
|
|
| 1028 |
|
|
C compute snow melt due to heat available from ocean. |
| 1029 |
|
|
C ================================================================= |
| 1030 |
|
|
|
| 1031 |
|
|
Cgf do we need to keep this comment and cpp bracket? |
| 1032 |
|
|
Cph( very sensitive bit here by JZ |
| 1033 |
|
|
#ifndef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING |
| 1034 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1035 |
|
|
CADJ STORE HSNOW(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1036 |
|
|
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
| 1037 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1038 |
|
|
DO J=1,sNy |
| 1039 |
|
|
DO I=1,sNx |
| 1040 |
|
|
tmpscal1=MAX(r_QbyOCN(i,j)*ICE2SNOW, -HSNOW(I,J,bi,bj)) |
| 1041 |
|
|
tmpscal2=MIN(tmpscal1,0. _d 0) |
| 1042 |
|
|
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
| 1043 |
|
|
Cgf no additional dependency through snow |
| 1044 |
|
|
if ( SEAICEadjMODE.GE.2 ) tmpscal2 = 0. _d 0 |
| 1045 |
|
|
#endif |
| 1046 |
|
|
d_HSNWbyOCNonSNW(I,J) = tmpscal2 |
| 1047 |
|
|
r_QbyOCN(I,J)=r_QbyOCN(I,J) |
| 1048 |
|
|
& -d_HSNWbyOCNonSNW(I,J)/ICE2SNOW |
| 1049 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)+d_HSNWbyOCNonSNW(I,J) |
| 1050 |
|
|
ENDDO |
| 1051 |
|
|
ENDDO |
| 1052 |
|
|
#endif /* SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING */ |
| 1053 |
|
|
Cph) |
| 1054 |
|
|
|
| 1055 |
|
|
C gain of new ice over open water |
| 1056 |
|
|
C =============================== |
| 1057 |
|
|
#ifndef SEAICE_GROWTH_LEGACY |
| 1058 |
|
|
#ifdef SEAICE_DO_OPEN_WATER_GROWTH |
| 1059 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1060 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1061 |
|
|
CADJ STORE r_QbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
| 1062 |
|
|
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
| 1063 |
|
|
CADJ STORE a_QSWbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
| 1064 |
|
|
CADJ STORE a_QSWbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
| 1065 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1066 |
|
|
DO J=1,sNy |
| 1067 |
|
|
DO I=1,sNx |
| 1068 |
|
|
|
| 1069 |
|
|
#ifdef FENTY_DELTA_HEFF_OPEN_WATER_FLUXES |
| 1070 |
|
|
c The sum of open water fluxes + the residual ocean-ice |
| 1071 |
|
|
c fluxes (weighted by the open water fraction). |
| 1072 |
|
|
c Using the McPhee parameterization, r_QbyOCN .LE. ZERO |
| 1073 |
|
|
tmpscal1=r_QbyATM_open(I,J)+r_QbyOCN(i,j) * |
| 1074 |
|
|
& (1.0 _d 0 - AREApreTH(i,J)) |
| 1075 |
|
|
|
| 1076 |
|
|
tmpscal2=SWFRACB * a_QSWbyATM_open(I,J) |
| 1077 |
|
|
|
| 1078 |
|
|
c Open water convergent heat fluxes do not melt ice directly |
| 1079 |
|
|
c but indirectly by first heating the ocean. |
| 1080 |
|
|
tmpscal3 = MAX(0.0 _d 0, tmpscal1-tmpscal2) |
| 1081 |
|
|
|
| 1082 |
|
|
#else /* FENTY_DELTA_HEFF_OPEN_WATER_FLUXES */ |
| 1083 |
|
|
|
| 1084 |
|
|
if ( (r_QbyATM_open(I,J).GT.0. _d 0).AND. |
| 1085 |
|
|
& (HEFF(I,J,bi,bj).GT.0. _d 0) ) then |
| 1086 |
|
|
tmpscal1=r_QbyATM_open(I,J)+r_QbyOCN(i,j) |
| 1087 |
|
|
C at this point r_QbyOCN(i,j)<=0 and represents the heat |
| 1088 |
|
|
C that is still needed to get to the first layer to freezing point |
| 1089 |
|
|
tmpscal2=SWFRACB*(a_QSWbyATM_cover(I,J) |
| 1090 |
|
|
& +a_QSWbyATM_open(I,J)) |
| 1091 |
|
|
C SWFRACB*tmpscal2<=0 is the heat (out of qnet) that is not |
| 1092 |
|
|
C going to the first layer, which favors its freezing |
| 1093 |
|
|
tmpscal3=MAX(0. _d 0, tmpscal1-tmpscal2) |
| 1094 |
|
|
else |
| 1095 |
|
|
tmpscal3=0. _d 0 |
| 1096 |
|
|
endif |
| 1097 |
|
|
#endif /* FENTY DELTA HEFF OPEN WATER FLUXES */ |
| 1098 |
|
|
|
| 1099 |
|
|
d_HEFFbyATMonOCN_open(I,J)=tmpscal3 |
| 1100 |
|
|
|
| 1101 |
|
|
DIAGarrayA(I,J) = maskC(I,J,kSurface,bi,bj) |
| 1102 |
|
|
& * d_HEFFbyATMonOCN_open(I,J) |
| 1103 |
|
|
|
| 1104 |
|
|
|
| 1105 |
|
|
C The distinct d_HEFFbyATMonOCN_open array is only needed for d_AREA computation. |
| 1106 |
|
|
C For the rest it is treated as another contribution to d_HEFFbyATMonOCN. |
| 1107 |
|
|
d_HEFFbyATMonOCN(I,J)=d_HEFFbyATMonOCN(I,J)+tmpscal3 |
| 1108 |
|
|
r_QbyATM_open(I,J)=r_QbyATM_open(I,J)-tmpscal3 |
| 1109 |
|
|
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal3 |
| 1110 |
|
|
|
| 1111 |
|
|
DIAGarrayB(I,J) = maskC(I,J,kSurface,bi,bj) |
| 1112 |
|
|
& * r_QbyATM_open(I,J) |
| 1113 |
|
|
|
| 1114 |
|
|
ENDDO |
| 1115 |
|
|
ENDDO |
| 1116 |
|
|
|
| 1117 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1118 |
|
|
IF ( useDiagnostics ) THEN |
| 1119 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM08',myThid) ) THEN |
| 1120 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayB, |
| 1121 |
|
|
& 'SIDDUM08',0,1,3,bi,bj,myThid) |
| 1122 |
|
|
ENDIF |
| 1123 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM03',myThid) ) THEN |
| 1124 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
| 1125 |
|
|
& 'SIDDUM03',0,1,3,bi,bj,myThid) |
| 1126 |
|
|
ENDIF |
| 1127 |
|
|
ENDIF |
| 1128 |
|
|
#endif /* ALLOW DIAGNOSTICS */ |
| 1129 |
|
|
|
| 1130 |
|
|
#endif /* SEAICE_DO_OPEN_WATER_GROWTH */ |
| 1131 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 1132 |
|
|
|
| 1133 |
|
|
C convert snow to ice if submerged. |
| 1134 |
|
|
C ================================= |
| 1135 |
|
|
|
| 1136 |
|
|
#ifndef SEAICE_GROWTH_LEGACY |
| 1137 |
|
|
C note: in legacy, this process is done at the end |
| 1138 |
|
|
#ifdef ALLOW_SEAICE_FLOODING |
| 1139 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1140 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1141 |
|
|
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1142 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1143 |
|
|
IF ( SEAICEuseFlooding ) THEN |
| 1144 |
|
|
DO J=1,sNy |
| 1145 |
|
|
DO I=1,sNx |
| 1146 |
|
|
hDraft = (HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
| 1147 |
|
|
& +HEFF(I,J,bi,bj)*SEAICE_rhoIce)/rhoConst |
| 1148 |
|
|
tmpscal1 = MAX( 0. _d 0, hDraft - HEFF(I,J,bi,bj)) |
| 1149 |
|
|
d_HEFFbyFLOODING(I,J)=tmpscal1 |
| 1150 |
|
|
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)+d_HEFFbyFLOODING(I,J) |
| 1151 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)- |
| 1152 |
|
|
& d_HEFFbyFLOODING(I,J)*ICE2SNOW |
| 1153 |
|
|
ENDDO |
| 1154 |
|
|
ENDDO |
| 1155 |
|
|
ENDIF |
| 1156 |
|
|
#endif /* ALLOW_SEAICE_FLOODING */ |
| 1157 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 1158 |
|
|
|
| 1159 |
|
|
|
| 1160 |
|
|
C =================================================================== |
| 1161 |
|
|
C ==========PART 4: determine ice cover fraction increments=========- |
| 1162 |
|
|
C =================================================================== |
| 1163 |
|
|
|
| 1164 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1165 |
|
|
CADJ STORE d_HEFFbyATMonOCN = comlev1_bibj,key=iicekey,byte=isbyte |
| 1166 |
|
|
CADJ STORE d_HEFFbyATMonICE = comlev1_bibj,key=iicekey,byte=isbyte |
| 1167 |
|
|
CADJ STORE d_HEFFbyOCNonICE = comlev1_bibj,key=iicekey,byte=isbyte |
| 1168 |
|
|
CADJ STORE d_HEFFbyATMonOCN_open=comlev1_bibj,key=iicekey,byte=isbyte |
| 1169 |
|
|
CADJ STORE a_QbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
| 1170 |
|
|
CADJ STORE heffActual = comlev1_bibj,key=iicekey,byte=isbyte |
| 1171 |
|
|
CADJ STORE AREApreTH = comlev1_bibj,key=iicekey,byte=isbyte |
| 1172 |
|
|
CADJ STORE HEFF(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1173 |
|
|
CADJ STORE HSNOW(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1174 |
|
|
CADJ STORE AREA(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1175 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1176 |
|
|
|
| 1177 |
|
|
DO J=1,sNy |
| 1178 |
|
|
DO I=1,sNx |
| 1179 |
|
|
C compute ice melt due to ATM (and OCN) heat stocks |
| 1180 |
|
|
|
| 1181 |
|
|
#ifdef FENTY_AREA_EXPANSION_CONTRACTION |
| 1182 |
|
|
DIAGarrayA(I,J) = ZERO |
| 1183 |
|
|
DIAGarrayB(I,J) = ZERO |
| 1184 |
|
|
DIAGarrayC(I,J) = ZERO |
| 1185 |
|
|
DIAGarray(I,J) = ZERO |
| 1186 |
|
|
|
| 1187 |
|
|
c The minimum effective thickness used in the ice contraction |
| 1188 |
|
|
c parameterization. |
| 1189 |
|
|
heff_star = sqrt(HEFFpreTH(I,J)*HEFFPreTH(I,J) + 0.01 _d 0) |
| 1190 |
|
|
|
| 1191 |
|
|
c the various thickness tendency terms |
| 1192 |
|
|
tmpscal1 = d_HEFFbyATMOnOCN_open(I,J) |
| 1193 |
|
|
tmpscal2 = d_HEFFbyATMOnICE(I,J) |
| 1194 |
|
|
tmpscal3 = d_HEFFbyOCNonICE(I,J) |
| 1195 |
|
|
|
| 1196 |
|
|
c Part 1: Expand ice cover in open-water areas |
| 1197 |
|
|
|
| 1198 |
|
|
C All new ice cover is created from divergent air-sea heat fluxes. Divergent |
| 1199 |
|
|
c air-sea heat fluxes must exceed the potential convergent ocean-ice heat fluxes |
| 1200 |
|
|
c for ice to form. tmpscal1 = divergent air-sea heat fluxes - ocean-ice heat fluxes |
| 1201 |
|
|
|
| 1202 |
|
|
IF (tmpscal1 .GT. ZERO) then |
| 1203 |
|
|
IF ( YC(I,J,bi,bj) .LT. ZERO ) THEN |
| 1204 |
|
|
d_AREAbyATM(I,J)=tmpscal1/HO_south |
| 1205 |
|
|
ELSE |
| 1206 |
|
|
d_AREAbyATM(I,J)=tmpscal1/HO |
| 1207 |
|
|
ENDIF |
| 1208 |
|
|
ENDIF |
| 1209 |
|
|
DIAGarrayA(I,J) = d_AREAbyATM(I,J) |
| 1210 |
|
|
|
| 1211 |
|
|
c Part 2: Reduce ice cover when existing ice thins from above |
| 1212 |
|
|
|
| 1213 |
|
|
c Ice concentrations are reduced whenever existing ice thins from surface |
| 1214 |
|
|
c heat flux convergence. |
| 1215 |
|
|
if (tmpscal2 .LE. ZERO) then |
| 1216 |
|
|
d_AREAbyICE(I,J) = |
| 1217 |
|
|
& HALF * tmpscal2 * AREApreTH(I,J)/heff_star |
| 1218 |
|
|
endif |
| 1219 |
|
|
DIAGarrayB(I,J) = d_AREAbyICE(I,J) |
| 1220 |
|
|
|
| 1221 |
|
|
c Part 3: Reduce ice cover when existing ice thins from below |
| 1222 |
|
|
|
| 1223 |
|
|
c Sensible heat transfer from the ocean to the sea ice thins it and |
| 1224 |
|
|
c reduces concentrations |
| 1225 |
|
|
if (tmpscal3 .LE.ZERO) then |
| 1226 |
|
|
d_AREAbyOCN(I,J) = |
| 1227 |
|
|
& HALF * tmpscal3 * AREApreTH(I,J)/heff_star |
| 1228 |
|
|
endif |
| 1229 |
|
|
DIAGarrayC(I,J) = d_AREAbyOCN(I,J) |
| 1230 |
|
|
|
| 1231 |
|
|
DIAGarray(I,J) = d_AREAbyICE(I,J) + |
| 1232 |
|
|
& d_AREAbyATM(I,J) + d_AREAbyOCN(I,J) |
| 1233 |
|
|
|
| 1234 |
|
|
#else FENTY_AREA_EXPANSION_CONTRACTION |
| 1235 |
|
|
|
| 1236 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 1237 |
|
|
|
| 1238 |
|
|
C compute heff after ice melt by ocn: |
| 1239 |
|
|
tmpscal0=HEFF(I,J,bi,bj) |
| 1240 |
|
|
& - d_HEFFbyATMonOCN(I,J) - d_HEFFbyFLOODING(I,J) |
| 1241 |
|
|
C compute available heat left after snow melt by atm: |
| 1242 |
|
|
tmpscal1= a_QbyATM_open(I,J)+a_QbyATM_cover(I,J) |
| 1243 |
|
|
& - d_HSNWbyATMonSNW(I,J)/ICE2SNOW |
| 1244 |
|
|
C (cannot melt more than all the ice) |
| 1245 |
|
|
tmpscal2 = MAX(-tmpscal0,tmpscal1) |
| 1246 |
|
|
tmpscal3 = MIN(ZERO,tmpscal2) |
| 1247 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1248 |
|
|
DIAGarray(I,J) = tmpscal2 |
| 1249 |
|
|
#endif |
| 1250 |
|
|
C gain of new ice over open water |
| 1251 |
|
|
tmpscal4 = MAX(ZERO,a_QbyATM_open(I,J)) |
| 1252 |
|
|
|
| 1253 |
|
|
#else /* SEAICE_GROWTH_LEGACY */ |
| 1254 |
|
|
|
| 1255 |
|
|
# ifdef SEAICE_OCN_MELT_ACT_ON_AREA |
| 1256 |
|
|
C ice cover reduction by joint OCN+ATM melt |
| 1257 |
|
|
tmpscal3 = MIN( 0. _d 0 , |
| 1258 |
|
|
& d_HEFFbyATMonOCN(I,J)+d_HEFFbyOCNonICE(I,J) ) |
| 1259 |
|
|
# else |
| 1260 |
|
|
C ice cover reduction by ATM melt only -- as in legacy code |
| 1261 |
|
|
tmpscal3 = MIN( 0. _d 0 , d_HEFFbyATMonOCN(I,J) ) |
| 1262 |
|
|
# endif |
| 1263 |
|
|
C gain of new ice over open water |
| 1264 |
|
|
|
| 1265 |
|
|
# ifdef SEAICE_DO_OPEN_WATER_GROWTH |
| 1266 |
|
|
C the one effectively used to increment HEFF |
| 1267 |
|
|
tmpscal4 = d_HEFFbyATMonOCN_open(I,J) |
| 1268 |
|
|
# else |
| 1269 |
|
|
C the virtual one -- as in legcy code |
| 1270 |
|
|
tmpscal4 = MAX(ZERO,a_QbyATM_open(I,J)) |
| 1271 |
|
|
# endif |
| 1272 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 1273 |
|
|
|
| 1274 |
|
|
C compute cover fraction tendency |
| 1275 |
|
|
IF ( YC(I,J,bi,bj) .LT. ZERO ) THEN |
| 1276 |
|
|
d_AREAbyATM(I,J)=tmpscal4/HO_south |
| 1277 |
|
|
ELSE |
| 1278 |
|
|
d_AREAbyATM(I,J)=tmpscal4/HO |
| 1279 |
|
|
ENDIF |
| 1280 |
|
|
d_AREAbyATM(I,J)=d_AREAbyATM(I,J) |
| 1281 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 1282 |
|
|
& +HALF*tmpscal3*AREApreTH(I,J) |
| 1283 |
|
|
& /(tmpscal0+.00001 _d 0) |
| 1284 |
|
|
#else |
| 1285 |
|
|
& +HALF*tmpscal3/heffActual(I,J) |
| 1286 |
|
|
#endif |
| 1287 |
|
|
|
| 1288 |
|
|
#endif FENTY_AREA_EXPANSION_CONTRACTION |
| 1289 |
|
|
|
| 1290 |
|
|
C apply tendency |
| 1291 |
|
|
IF ( (HEFF(i,j,bi,bj).GT.0. _d 0).OR. |
| 1292 |
|
|
& (HSNOW(i,j,bi,bj).GT.0. _d 0) ) THEN |
| 1293 |
|
|
AREA(I,J,bi,bj)=max(0. _d 0 , min( 1. _d 0, |
| 1294 |
|
|
& AREA(I,J,bi,bj)+d_AREAbyATM(I,J) |
| 1295 |
|
|
#ifdef FENTY_AREA_EXPANSION_CONTRACTION |
| 1296 |
|
|
& + d_AREAbyOCN(I,J) + d_AREAbyICE(I,J) |
| 1297 |
|
|
#endif |
| 1298 |
|
|
& )) |
| 1299 |
|
|
ELSE |
| 1300 |
|
|
AREA(I,J,bi,bj)=0. _d 0 |
| 1301 |
|
|
ENDIF |
| 1302 |
|
|
ENDDO |
| 1303 |
|
|
ENDDO |
| 1304 |
|
|
|
| 1305 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1306 |
|
|
IF ( useDiagnostics ) THEN |
| 1307 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM04',myThid) ) THEN |
| 1308 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray, |
| 1309 |
|
|
& 'SIDDUM04',0,1,3,bi,bj,myThid) |
| 1310 |
|
|
ENDIF |
| 1311 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM05',myThid) ) THEN |
| 1312 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
| 1313 |
|
|
& 'SIDDUM05',0,1,3,bi,bj,myThid) |
| 1314 |
|
|
ENDIF |
| 1315 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM06',myThid) ) THEN |
| 1316 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayB, |
| 1317 |
|
|
& 'SIDDUM06',0,1,3,bi,bj,myThid) |
| 1318 |
|
|
ENDIF |
| 1319 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIDDUM07',myThid) ) THEN |
| 1320 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarrayC, |
| 1321 |
|
|
& 'SIDDUM07',0,1,3,bi,bj,myThid) |
| 1322 |
|
|
ENDIF |
| 1323 |
|
|
ENDIF |
| 1324 |
|
|
#endif |
| 1325 |
|
|
|
| 1326 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1327 |
|
|
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
| 1328 |
|
|
Cgf 'bulk' linearization of area=f(HEFF) |
| 1329 |
|
|
if ( SEAICEadjMODE.GE.1 ) then |
| 1330 |
|
|
DO J=1,sNy |
| 1331 |
|
|
DO I=1,sNx |
| 1332 |
|
|
C AREA(I,J,bi,bj) = 0.1 _d 0 * HEFF(I,J,bi,bj) |
| 1333 |
|
|
AREA(I,J,bi,bj) = AREApreTH(I,J) + 0.1 _d 0 * |
| 1334 |
|
|
& ( HEFF(I,J,bi,bj) - HEFFpreTH(I,J) ) |
| 1335 |
|
|
ENDDO |
| 1336 |
|
|
ENDDO |
| 1337 |
|
|
endif |
| 1338 |
|
|
#endif |
| 1339 |
|
|
#endif |
| 1340 |
|
|
|
| 1341 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 1342 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1343 |
|
|
IF ( useDiagnostics ) THEN |
| 1344 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIfice ',myThid) ) THEN |
| 1345 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray,'SIfice ',0,1,3,bi,bj,myThid) |
| 1346 |
|
|
ENDIF |
| 1347 |
|
|
ENDIF |
| 1348 |
|
|
#endif |
| 1349 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 1350 |
|
|
|
| 1351 |
|
|
|
| 1352 |
|
|
C =================================================================== |
| 1353 |
|
|
C =============PART 5: determine ice salinity increments============= |
| 1354 |
|
|
C =================================================================== |
| 1355 |
|
|
|
| 1356 |
|
|
#ifndef SEAICE_SALINITY |
| 1357 |
|
|
# ifdef ALLOW_AUTODIFF_TAMC |
| 1358 |
|
|
# ifdef ALLOW_SALT_PLUME |
| 1359 |
|
|
CADJ STORE d_HEFFbyNEG = comlev1_bibj,key=iicekey,byte=isbyte |
| 1360 |
|
|
CADJ STORE d_HEFFbyOCNonICE = comlev1_bibj,key=iicekey,byte=isbyte |
| 1361 |
|
|
CADJ STORE d_HEFFbyATMonOCN = comlev1_bibj,key=iicekey,byte=isbyte |
| 1362 |
|
|
CADJ STORE d_HEFFbyATMonICE = comlev1_bibj,key=iicekey,byte=isbyte |
| 1363 |
|
|
CADJ STORE d_HEFFbyFLOODING = comlev1_bibj,key=iicekey,byte=isbyte |
| 1364 |
|
|
CADJ STORE salt(:,:,kSurface,bi,bj) = comlev1_bibj, |
| 1365 |
|
|
CADJ & key = iicekey, byte = isbyte |
| 1366 |
|
|
# endif /* ALLOW_SALT_PLUME */ |
| 1367 |
|
|
# endif /* ALLOW_AUTODIFF_TAMC */ |
| 1368 |
|
|
DO J=1,sNy |
| 1369 |
|
|
DO I=1,sNx |
| 1370 |
|
|
Cgf note: flooding does count negatively |
| 1371 |
|
|
tmpscal1 = d_HEFFbyNEG(I,J) + d_HEFFbyOCNonICE(I,J) + |
| 1372 |
|
|
& d_HEFFbyATMonICE(I,J) + |
| 1373 |
|
|
& d_HEFFbyATMonOCN(I,J) - d_HEFFbyFLOODING(I,J) |
| 1374 |
|
|
tmpscal2 = tmpscal1 * SIsal0 * HEFFM(I,J,bi,bj) |
| 1375 |
|
|
& /SEAICE_deltaTtherm * ICE2WATR * rhoConstFresh |
| 1376 |
|
|
saltFlux(I,J,bi,bj) = tmpscal2 |
| 1377 |
|
|
#ifdef ALLOW_SALT_PLUME |
| 1378 |
|
|
tmpscal3 = tmpscal1*salt(I,j,kSurface,bi,bj)*HEFFM(I,J,bi,bj) |
| 1379 |
|
|
& /SEAICE_deltaTtherm * ICE2WATR * rhoConstFresh |
| 1380 |
|
|
saltPlumeFlux(I,J,bi,bj) = MAX( tmpscal3-tmpscal2 , 0. _d 0) |
| 1381 |
|
|
#endif /* ALLOW_SALT_PLUME */ |
| 1382 |
|
|
ENDDO |
| 1383 |
|
|
ENDDO |
| 1384 |
|
|
#endif |
| 1385 |
|
|
|
| 1386 |
|
|
#ifdef ALLOW_ATM_TEMP |
| 1387 |
|
|
#ifdef SEAICE_SALINITY |
| 1388 |
|
|
|
| 1389 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 1390 |
|
|
# ifdef ALLOW_AUTODIFF_TAMC |
| 1391 |
|
|
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1392 |
|
|
# endif /* ALLOW_AUTODIFF_TAMC */ |
| 1393 |
|
|
DO J=1,sNy |
| 1394 |
|
|
DO I=1,sNx |
| 1395 |
|
|
C set HSALT = 0 if HSALT < 0 and compute salt to remove from ocean |
| 1396 |
|
|
IF ( HSALT(I,J,bi,bj) .LT. 0.0 ) THEN |
| 1397 |
|
|
saltFluxAdjust(I,J) = - HEFFM(I,J,bi,bj) * |
| 1398 |
|
|
& HSALT(I,J,bi,bj) / SEAICE_deltaTtherm |
| 1399 |
|
|
HSALT(I,J,bi,bj) = 0.0 _d 0 |
| 1400 |
|
|
ENDIF |
| 1401 |
|
|
ENDDO |
| 1402 |
|
|
ENDDO |
| 1403 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 1404 |
|
|
|
| 1405 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1406 |
|
|
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1407 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1408 |
|
|
|
| 1409 |
|
|
DO J=1,sNy |
| 1410 |
|
|
DO I=1,sNx |
| 1411 |
|
|
C sum up the terms that affect the salt content of the ice pack |
| 1412 |
|
|
tmpscal1=d_HEFFbyOCNonICE(I,J)+d_HEFFbyATMonOCN(I,J)+ |
| 1413 |
|
|
& d_HEFFbyATMonICE(I,J) |
| 1414 |
|
|
|
| 1415 |
|
|
C recompute HEFF before thermodyncamic updates (which is not AREApreTH in legacy code) |
| 1416 |
|
|
tmpscal2=HEFF(I,J,bi,bj)-tmpscal1-d_HEFFbyFLOODING(I,J) |
| 1417 |
|
|
C tmpscal1 > 0 : m of sea ice that is created |
| 1418 |
|
|
IF ( tmpscal1 .GE. 0.0 ) THEN |
| 1419 |
|
|
saltFlux(I,J,bi,bj) = |
| 1420 |
|
|
& HEFFM(I,J,bi,bj)/SEAICE_deltaTtherm |
| 1421 |
|
|
& *SEAICE_salinity*salt(I,j,kSurface,bi,bj) |
| 1422 |
|
|
& *tmpscal1*ICE2WATR*rhoConstFresh |
| 1423 |
|
|
#ifdef ALLOW_SALT_PLUME |
| 1424 |
|
|
C saltPlumeFlux is defined only during freezing: |
| 1425 |
|
|
saltPlumeFlux(I,J,bi,bj)= |
| 1426 |
|
|
& HEFFM(I,J,bi,bj)/SEAICE_deltaTtherm |
| 1427 |
|
|
& *(1-SEAICE_salinity)*salt(I,j,kSurface,bi,bj) |
| 1428 |
|
|
& *tmpscal1*ICE2WATR*rhoConstFresh |
| 1429 |
|
|
C if SaltPlumeSouthernOcean=.FALSE. turn off salt plume in Southern Ocean |
| 1430 |
|
|
IF ( .NOT. SaltPlumeSouthernOcean ) THEN |
| 1431 |
|
|
IF ( YC(I,J,bi,bj) .LT. 0.0 _d 0 ) |
| 1432 |
|
|
& saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
| 1433 |
|
|
ENDIF |
| 1434 |
|
|
#endif /* ALLOW_SALT_PLUME */ |
| 1435 |
|
|
|
| 1436 |
|
|
C tmpscal1 < 0 : m of sea ice that is melted |
| 1437 |
|
|
ELSE |
| 1438 |
|
|
saltFlux(I,J,bi,bj) = |
| 1439 |
|
|
& HEFFM(I,J,bi,bj)/SEAICE_deltaTtherm |
| 1440 |
|
|
& *HSALT(I,J,bi,bj) |
| 1441 |
|
|
& *tmpscal1/tmpscal2 |
| 1442 |
|
|
#ifdef ALLOW_SALT_PLUME |
| 1443 |
|
|
saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
| 1444 |
|
|
#endif /* ALLOW_SALT_PLUME */ |
| 1445 |
|
|
ENDIF |
| 1446 |
|
|
C update HSALT based on surface saltFlux |
| 1447 |
|
|
HSALT(I,J,bi,bj) = HSALT(I,J,bi,bj) + |
| 1448 |
|
|
& saltFlux(I,J,bi,bj) * SEAICE_deltaTtherm |
| 1449 |
|
|
saltFlux(I,J,bi,bj) = |
| 1450 |
|
|
& saltFlux(I,J,bi,bj) + saltFluxAdjust(I,J) |
| 1451 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 1452 |
|
|
C set HSALT = 0 if HEFF = 0 and compute salt to dump into ocean |
| 1453 |
|
|
IF ( HEFF(I,J,bi,bj) .EQ. 0.0 ) THEN |
| 1454 |
|
|
saltFlux(I,J,bi,bj) = saltFlux(I,J,bi,bj) - |
| 1455 |
|
|
& HEFFM(I,J,bi,bj) * HSALT(I,J,bi,bj) / |
| 1456 |
|
|
& SEAICE_deltaTtherm |
| 1457 |
|
|
HSALT(I,J,bi,bj) = 0.0 _d 0 |
| 1458 |
|
|
#ifdef ALLOW_SALT_PLUME |
| 1459 |
|
|
saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
| 1460 |
|
|
#endif /* ALLOW_SALT_PLUME */ |
| 1461 |
|
|
ENDIF |
| 1462 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 1463 |
|
|
ENDDO |
| 1464 |
|
|
ENDDO |
| 1465 |
|
|
#endif /* SEAICE_SALINITY */ |
| 1466 |
|
|
#endif /* ALLOW_ATM_TEMP */ |
| 1467 |
|
|
|
| 1468 |
|
|
|
| 1469 |
|
|
C ======================================================================= |
| 1470 |
|
|
C =====LEGACY PART 5.5: treat pathological cases, then do flooding ====== |
| 1471 |
|
|
C ======================================================================= |
| 1472 |
|
|
|
| 1473 |
|
|
#ifdef SEAICE_GROWTH_LEGACY |
| 1474 |
|
|
|
| 1475 |
|
|
C treat values of ice cover fraction oustide |
| 1476 |
|
|
C the [0 1] range, and other such issues. |
| 1477 |
|
|
C =========================================== |
| 1478 |
|
|
|
| 1479 |
|
|
Cgf note: this part cannot be heat and water conserving |
| 1480 |
|
|
|
| 1481 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1482 |
|
|
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
| 1483 |
|
|
CADJ & key = iicekey, byte = isbyte |
| 1484 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, |
| 1485 |
|
|
CADJ & key = iicekey, byte = isbyte |
| 1486 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1487 |
|
|
DO J=1,sNy |
| 1488 |
|
|
DO I=1,sNx |
| 1489 |
|
|
C NOW SET AREA(I,J,bi,bj)=0 WHERE NO ICE IS |
| 1490 |
|
|
AREA(I,J,bi,bj)=MIN(AREA(I,J,bi,bj) |
| 1491 |
|
|
& ,HEFF(I,J,bi,bj)/.0001 _d 0) |
| 1492 |
|
|
ENDDO |
| 1493 |
|
|
ENDDO |
| 1494 |
|
|
|
| 1495 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1496 |
|
|
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
| 1497 |
|
|
CADJ & key = iicekey, byte = isbyte |
| 1498 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1499 |
|
|
DO J=1,sNy |
| 1500 |
|
|
DO I=1,sNx |
| 1501 |
|
|
C NOW TRUNCATE AREA |
| 1502 |
|
|
AREA(I,J,bi,bj)=MIN(ONE,AREA(I,J,bi,bj)) |
| 1503 |
|
|
ENDDO |
| 1504 |
|
|
ENDDO |
| 1505 |
|
|
|
| 1506 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1507 |
|
|
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
| 1508 |
|
|
CADJ & key = iicekey, byte = isbyte |
| 1509 |
|
|
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, |
| 1510 |
|
|
CADJ & key = iicekey, byte = isbyte |
| 1511 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1512 |
|
|
DO J=1,sNy |
| 1513 |
|
|
DO I=1,sNx |
| 1514 |
|
|
AREA(I,J,bi,bj) = MAX(ZERO,AREA(I,J,bi,bj)) |
| 1515 |
|
|
HSNOW(I,J,bi,bj) = MAX(ZERO,HSNOW(I,J,bi,bj)) |
| 1516 |
|
|
AREA(I,J,bi,bj) = AREA(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
| 1517 |
|
|
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
| 1518 |
|
|
#ifdef SEAICE_CAP_HEFF |
| 1519 |
|
|
C This is not energy conserving, but at least it conserves fresh water |
| 1520 |
|
|
tmpscal0 = -MAX(HEFF(I,J,bi,bj)-MAX_HEFF,0. _d 0) |
| 1521 |
|
|
d_HEFFbyNeg(I,J) = d_HEFFbyNeg(I,J) + tmpscal0 |
| 1522 |
|
|
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal0 |
| 1523 |
|
|
#endif /* SEAICE_CAP_HEFF */ |
| 1524 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
| 1525 |
|
|
ENDDO |
| 1526 |
|
|
ENDDO |
| 1527 |
|
|
|
| 1528 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1529 |
|
|
IF ( useDiagnostics ) THEN |
| 1530 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIthdgrh',myThid) ) THEN |
| 1531 |
|
|
DO J=1,sNy |
| 1532 |
|
|
DO I=1,sNx |
| 1533 |
|
|
tmparr1(I,J) = (HEFF(I,J,bi,bj)-HEFFpreTH(I,J)) |
| 1534 |
|
|
& /SEAICE_deltaTtherm |
| 1535 |
|
|
ENDDO |
| 1536 |
|
|
ENDDO |
| 1537 |
|
|
CALL DIAGNOSTICS_FILL(tmparr1,'SIthdgrh',0,1,3,bi,bj,myThid) |
| 1538 |
|
|
ENDIF |
| 1539 |
|
|
ENDIF |
| 1540 |
|
|
#endif /* ALLOW_DIAGNOSTICS */ |
| 1541 |
|
|
|
| 1542 |
|
|
C convert snow to ice if submerged. |
| 1543 |
|
|
C ================================= |
| 1544 |
|
|
|
| 1545 |
|
|
#ifdef ALLOW_SEAICE_FLOODING |
| 1546 |
|
|
IF ( SEAICEuseFlooding ) THEN |
| 1547 |
|
|
DO J=1,sNy |
| 1548 |
|
|
DO I=1,sNx |
| 1549 |
|
|
hDraft = (HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
| 1550 |
|
|
& +HEFF(I,J,bi,bj)*SEAICE_rhoIce)/rhoConst |
| 1551 |
|
|
tmpscal1 = MAX( 0. _d 0, hDraft - HEFF(I,J,bi,bj)) |
| 1552 |
|
|
d_HEFFbyFLOODING(I,J)=tmpscal1 |
| 1553 |
|
|
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)+d_HEFFbyFLOODING(I,J) |
| 1554 |
|
|
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)- |
| 1555 |
|
|
& d_HEFFbyFLOODING(I,J)*ICE2SNOW |
| 1556 |
|
|
ENDDO |
| 1557 |
|
|
ENDDO |
| 1558 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1559 |
|
|
IF ( useDiagnostics ) THEN |
| 1560 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIsnwice',myThid) ) THEN |
| 1561 |
|
|
DO J=1,sNy |
| 1562 |
|
|
DO I=1,sNx |
| 1563 |
|
|
tmparr1(I,J) = d_HEFFbyFLOODING(I,J)/SEAICE_deltaTtherm |
| 1564 |
|
|
ENDDO |
| 1565 |
|
|
ENDDO |
| 1566 |
|
|
CALL DIAGNOSTICS_FILL(tmparr1,'SIsnwice',0,1,3,bi,bj,myThid) |
| 1567 |
|
|
ENDIF |
| 1568 |
|
|
ENDIF |
| 1569 |
|
|
#endif /* ALLOW_DIAGNOSTICS */ |
| 1570 |
|
|
ENDIF |
| 1571 |
|
|
#endif /* ALLOW_SEAICE_FLOODING */ |
| 1572 |
|
|
|
| 1573 |
|
|
#endif /* SEAICE_GROWTH_LEGACY */ |
| 1574 |
|
|
|
| 1575 |
|
|
|
| 1576 |
|
|
C =================================================================== |
| 1577 |
|
|
C ===============PART 6: determine ice age increments================ |
| 1578 |
|
|
C =================================================================== |
| 1579 |
|
|
|
| 1580 |
|
|
#ifdef SEAICE_AGE |
| 1581 |
|
|
# ifndef SEAICE_AGE_VOL |
| 1582 |
|
|
C Sources and sinks for sea ice age: |
| 1583 |
|
|
C assume that a) freezing: new ice fraction forms with zero age |
| 1584 |
|
|
C b) melting: ice fraction vanishes with current age |
| 1585 |
|
|
DO J=1,sNy |
| 1586 |
|
|
DO I=1,sNx |
| 1587 |
|
|
IF ( AREA(I,J,bi,bj) .GT. 0.15 ) THEN |
| 1588 |
|
|
IF ( AREA(i,j,bi,bj) .LT. AREApreTH(i,j) ) THEN |
| 1589 |
|
|
C-- scale effective ice-age to account for ice-age sink associated with melting |
| 1590 |
|
|
IceAge(i,j,bi,bj) = IceAge(i,j,bi,bj) |
| 1591 |
|
|
& *AREA(i,j,bi,bj)/AREApreTH(i,j) |
| 1592 |
|
|
ENDIF |
| 1593 |
|
|
C-- account for aging: |
| 1594 |
|
|
IceAge(i,j,bi,bj) = IceAge(i,j,bi,bj) |
| 1595 |
|
|
& + AREA(i,j,bi,bj) * SEAICE_deltaTtherm |
| 1596 |
|
|
ELSE |
| 1597 |
|
|
IceAge(i,j,bi,bj) = ZERO |
| 1598 |
|
|
ENDIF |
| 1599 |
|
|
ENDDO |
| 1600 |
|
|
ENDDO |
| 1601 |
|
|
# else /* ifdef SEAICE_AGE_VOL */ |
| 1602 |
|
|
C Sources and sinks for sea ice age: |
| 1603 |
|
|
C assume that a) freezing: new ice volume forms with zero age |
| 1604 |
|
|
C b) melting: ice volume vanishes with current age |
| 1605 |
|
|
DO J=1,sNy |
| 1606 |
|
|
DO I=1,sNx |
| 1607 |
|
|
C-- compute actual age from effective age: |
| 1608 |
|
|
IF (AREApreTH(i,j).GT.0. _d 0) THEN |
| 1609 |
|
|
tmpscal1=IceAge(i,j,bi,bj)/AREApreTH(i,j) |
| 1610 |
|
|
ELSE |
| 1611 |
|
|
tmpscal1=0. _d 0 |
| 1612 |
|
|
ENDIF |
| 1613 |
|
|
IF ( (HEFFpreTH(i,j).LT.HEFF(i,j,bi,bj)).AND. |
| 1614 |
|
|
& (AREA(i,j,bi,bj).GT.0.15) ) THEN |
| 1615 |
|
|
tmpscal2=tmpscal1*HEFFpreTH(i,j)/ |
| 1616 |
|
|
& HEFF(i,j,bi,bj)+SEAICE_deltaTtherm |
| 1617 |
|
|
ELSEIF (AREA(i,j,bi,bj).LE.0.15) THEN |
| 1618 |
|
|
tmpscal2=0. _d 0 |
| 1619 |
|
|
ELSE |
| 1620 |
|
|
tmpscal2=tmpscal1+SEAICE_deltaTtherm |
| 1621 |
|
|
ENDIF |
| 1622 |
|
|
C-- re-scale to effective age: |
| 1623 |
|
|
IceAge(i,j,bi,bj) = tmpscal2*AREA(i,j,bi,bj) |
| 1624 |
|
|
ENDDO |
| 1625 |
|
|
ENDDO |
| 1626 |
|
|
# endif /* SEAICE_AGE_VOL */ |
| 1627 |
|
|
#endif /* SEAICE_AGE */ |
| 1628 |
|
|
|
| 1629 |
|
|
|
| 1630 |
|
|
C =================================================================== |
| 1631 |
|
|
C ==============PART 7: determine ocean model forcing================ |
| 1632 |
|
|
C =================================================================== |
| 1633 |
|
|
|
| 1634 |
|
|
C compute net heat flux leaving/entering the ocean, |
| 1635 |
|
|
C accounting for the part used in melt/freeze processes |
| 1636 |
|
|
C ===================================================== |
| 1637 |
|
|
|
| 1638 |
|
|
DO J=1,sNy |
| 1639 |
|
|
DO I=1,sNx |
| 1640 |
|
|
QNET(I,J,bi,bj) = r_QbyATM_cover(I,J) + r_QbyATM_open(I,J) |
| 1641 |
|
|
& - ( d_HEFFbyOCNonICE(I,J) + |
| 1642 |
|
|
#ifdef FENTY_DELTA_HEFF_OPEN_WATER_FLUXES |
| 1643 |
|
|
& a_QSWbyATM_cover(I,J) + |
| 1644 |
|
|
#endif /* FENTY_DELTA_HEFF_OPEN_WATER_FLUXES */ |
| 1645 |
|
|
& d_HSNWbyOCNonSNW(I,J)/ICE2SNOW + |
| 1646 |
|
|
& d_HEFFbyNEG(I,J) + |
| 1647 |
|
|
& d_HSNWbyNEG(I,J)/ICE2SNOW ) |
| 1648 |
|
|
& * maskC(I,J,kSurface,bi,bj) |
| 1649 |
|
|
QSW(I,J,bi,bj) = a_QSWbyATM_cover(I,J) + a_QSWbyATM_open(I,J) |
| 1650 |
|
|
ENDDO |
| 1651 |
|
|
ENDDO |
| 1652 |
|
|
|
| 1653 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 1654 |
|
|
IF ( useDiagnostics ) THEN |
| 1655 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIqneto ',myThid) ) THEN |
| 1656 |
|
|
DO J=1,sNy |
| 1657 |
|
|
DO I=1,sNx |
| 1658 |
|
|
DIAGarray(I,J) = r_QbyATM_open(I,J) * convertHI2Q |
| 1659 |
|
|
ENDDO |
| 1660 |
|
|
ENDDO |
| 1661 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray,'SIqneto ',0,1,3,bi,bj,myThid) |
| 1662 |
|
|
ENDIF |
| 1663 |
|
|
IF ( DIAGNOSTICS_IS_ON('SIqneti ',myThid) ) THEN |
| 1664 |
|
|
DO J=1,sNy |
| 1665 |
|
|
DO I=1,sNx |
| 1666 |
|
|
DIAGarray(I,J) = r_QbyATM_cover(I,J) * convertHI2Q |
| 1667 |
|
|
ENDDO |
| 1668 |
|
|
ENDDO |
| 1669 |
|
|
CALL DIAGNOSTICS_FILL(DIAGarray,'SIqneti ',0,1,3,bi,bj,myThid) |
| 1670 |
|
|
ENDIF |
| 1671 |
|
|
ENDIF |
| 1672 |
|
|
#endif /* ALLOW_DIAGNOSTICS */ |
| 1673 |
|
|
|
| 1674 |
|
|
C switch heat fluxes from 'effective' ice meters to W/m2 |
| 1675 |
|
|
C ====================================================== |
| 1676 |
|
|
|
| 1677 |
|
|
DO J=1,sNy |
| 1678 |
|
|
DO I=1,sNx |
| 1679 |
|
|
QNET(I,J,bi,bj) = QNET(I,J,bi,bj)*convertHI2Q |
| 1680 |
|
|
QSW(I,J,bi,bj) = QSW(I,J,bi,bj)*convertHI2Q |
| 1681 |
|
|
ENDDO |
| 1682 |
|
|
ENDDO |
| 1683 |
|
|
|
| 1684 |
|
|
C compute net fresh water flux leaving/entering |
| 1685 |
|
|
C the ocean, accounting for fresh/salt water stocks. |
| 1686 |
|
|
C ================================================== |
| 1687 |
|
|
|
| 1688 |
|
|
#ifdef ALLOW_ATM_TEMP |
| 1689 |
|
|
DO J=1,sNy |
| 1690 |
|
|
DO I=1,sNx |
| 1691 |
|
|
tmpscal1= d_HSNWbyATMonSNW(I,J)/ICE2SNOW |
| 1692 |
|
|
& +d_HFRWbyRAIN(I,J) |
| 1693 |
|
|
& +d_HSNWbyOCNonSNW(I,J)/ICE2SNOW |
| 1694 |
|
|
& +d_HEFFbyOCNonICE(I,J) |
| 1695 |
|
|
& +d_HEFFbyATMonOCN(I,J) |
| 1696 |
|
|
& +d_HEFFbyATMonICE(I,J) |
| 1697 |
|
|
& +d_HEFFbyNEG(I,J) |
| 1698 |
|
|
& +d_HSNWbyNEG(I,J)/ICE2SNOW |
| 1699 |
|
|
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
| 1700 |
|
|
& +a_FWbySublim(I,J) |
| 1701 |
|
|
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
| 1702 |
|
|
EmPmR(I,J,bi,bj) = maskC(I,J,kSurface,bi,bj)*( |
| 1703 |
|
|
& ( EVAP(I,J,bi,bj)-PRECIP(I,J,bi,bj) ) |
| 1704 |
|
|
& * ( ONE - AREApreTH(I,J) ) |
| 1705 |
|
|
#ifdef ALLOW_RUNOFF |
| 1706 |
|
|
& - RUNOFF(I,J,bi,bj) |
| 1707 |
|
|
#endif /* ALLOW_RUNOFF */ |
| 1708 |
|
|
& + tmpscal1*convertHI2PRECIP |
| 1709 |
|
|
& )*rhoConstFresh |
| 1710 |
|
|
ENDDO |
| 1711 |
|
|
ENDDO |
| 1712 |
|
|
|
| 1713 |
|
|
#ifdef ALLOW_MEAN_SFLUX_COST_CONTRIBUTION |
| 1714 |
|
|
DO J=1,sNy |
| 1715 |
|
|
DO I=1,sNx |
| 1716 |
|
|
frWtrAtm(I,J,bi,bj) = maskC(I,J,kSurface,bi,bj)*( |
| 1717 |
|
|
& PRECIP(I,J,bi,bj) |
| 1718 |
|
|
& - EVAP(I,J,bi,bj) |
| 1719 |
|
|
& *( ONE - AREApreTH(I,J) ) |
| 1720 |
|
|
& + RUNOFF(I,J,bi,bj) |
| 1721 |
|
|
& )*rhoConstFresh |
| 1722 |
|
|
ENDDO |
| 1723 |
|
|
ENDDO |
| 1724 |
|
|
#endif |
| 1725 |
|
|
#endif /* ALLOW_ATM_TEMP */ |
| 1726 |
|
|
|
| 1727 |
|
|
#ifdef SEAICE_DEBUG |
| 1728 |
|
|
CALL PLOT_FIELD_XYRL( QSW,'Current QSW ', myIter, myThid ) |
| 1729 |
|
|
CALL PLOT_FIELD_XYRL( QNET,'Current QNET ', myIter, myThid ) |
| 1730 |
|
|
CALL PLOT_FIELD_XYRL( EmPmR,'Current EmPmR ', myIter, myThid ) |
| 1731 |
|
|
#endif /* SEAICE_DEBUG */ |
| 1732 |
|
|
|
| 1733 |
|
|
C Sea Ice Load on the sea surface. |
| 1734 |
|
|
C ================================= |
| 1735 |
|
|
|
| 1736 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 1737 |
|
|
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1738 |
|
|
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
| 1739 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 1740 |
|
|
|
| 1741 |
|
|
IF ( useRealFreshWaterFlux ) THEN |
| 1742 |
|
|
DO J=1,sNy |
| 1743 |
|
|
DO I=1,sNx |
| 1744 |
|
|
#ifdef SEAICE_CAP_ICELOAD |
| 1745 |
|
|
tmpscal1 = HEFF(I,J,bi,bj)*SEAICE_rhoIce |
| 1746 |
|
|
& + HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
| 1747 |
|
|
tmpscal2 = min(tmpscal1,heffTooHeavy*rhoConst) |
| 1748 |
|
|
#else |
| 1749 |
|
|
tmpscal2 = HEFF(I,J,bi,bj)*SEAICE_rhoIce |
| 1750 |
|
|
& + HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
| 1751 |
|
|
#endif |
| 1752 |
|
|
sIceLoad(i,j,bi,bj) = tmpscal2 |
| 1753 |
|
|
ENDDO |
| 1754 |
|
|
ENDDO |
| 1755 |
|
|
ENDIF |
| 1756 |
|
|
|
| 1757 |
|
|
C close bi,bj loops |
| 1758 |
|
|
ENDDO |
| 1759 |
|
|
ENDDO |
| 1760 |
|
|
|
| 1761 |
|
|
RETURN |
| 1762 |
|
|
END |
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