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C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_growth.F,v 1.138 2011/07/16 22:55:57 heimbach Exp $ |
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C $Name: $ |
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|
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#include "SEAICE_OPTIONS.h" |
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|
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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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|
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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_SIZE.h" |
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#include "SEAICE_PARAMS.h" |
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#include "SEAICE.h" |
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#include "SEAICE_TRACER.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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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_RL d_AREAbyOCN (1:sNx,1:sNy) |
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_RL d_AREAbyICE (1:sNx,1:sNy) |
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|
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c The change of mean ice thickness due to out-of-bounds values following |
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c sea ice dyhnamics |
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_RL d_HEFFbyNEG (1:sNx,1:sNy) |
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|
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c The change of mean ice thickness due to turbulent ocean-sea ice heat fluxes |
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_RL d_HEFFbyOCNonICE (1:sNx,1:sNy) |
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|
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c The sum of mean ice thickness increments due to atmospheric fluxes over the open water |
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c fraction and ice-covered fractions of the grid cell |
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_RL d_HEFFbyATMonOCN (1:sNx,1:sNy) |
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c The change of mean ice thickness due to flooding by snow |
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_RL d_HEFFbyFLOODING (1:sNx,1:sNy) |
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|
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c The mean ice thickness increments due to atmospheric fluxes over the open water |
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c fraction and ice-covered fractions of the grid cell, respectively |
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_RL d_HEFFbyATMonOCN_open(1:sNx,1:sNy) |
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_RL d_HEFFbyATMonOCN_cover(1:sNx,1:sNy) |
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|
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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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|
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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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_RL r_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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#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
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|
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C The latent heat flux which will sublimate all snow and ice |
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C over one time step |
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_RL latentHeatFluxMax (1:sNx,1:sNy) |
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|
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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 actual ice thickness (with lower limit only) Reciprocal |
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_RL recip_heffActual (1:sNx,1:sNy) |
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C local value (=HO or HO_south) |
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_RL HO_loc |
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|
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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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|
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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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|
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C Regularization values squared |
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_RL area_reg_sq, hice_reg_sq |
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|
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C pathological cases thresholds |
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_RL heffTooHeavy |
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|
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_RL lhSublim |
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|
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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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|
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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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|
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#ifdef SEAICE_VARIABLE_SALINITY |
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_RL saltFluxAdjust (1:sNx,1:sNy) |
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#endif |
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|
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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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_RL latentHeatFluxMaxP (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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|
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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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|
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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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|
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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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|
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_RL surf_theta |
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#endif |
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|
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#ifdef ALLOW_SITRACER |
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INTEGER iTr |
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CHARACTER*8 diagName |
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#endif |
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#ifdef ALLOW_DIAGNOSTICS |
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c Helper variables for diagnostics |
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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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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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C =================================================================== |
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C =================PART 0: constants and initializations============= |
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C =================================================================== |
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|
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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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|
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|
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C Cutoff for iceload |
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heffTooHeavy=dRf(kSurface) / 5. _d 0 |
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|
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C FREEZING TEMP. OF SEA WATER (deg C) |
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TBC = SEAICE_freeze |
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|
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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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|
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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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|
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C ICE LATENT HEAT CONSTANT |
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lhSublim = SEAICE_lhEvap + SEAICE_lhFusion |
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|
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C regularization constants |
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area_reg_sq = SEAICE_area_reg * SEAICE_area_reg |
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hice_reg_sq = SEAICE_hice_reg * SEAICE_hice_reg |
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|
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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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|
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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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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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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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|
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|
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C array initializations |
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C ===================== |
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|
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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 |
320 |
a_QbyATM_open(I,J) = 0.0 _d 0 |
321 |
r_QbyATM_cover (I,J) = 0.0 _d 0 |
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r_QbyATM_open (I,J) = 0.0 _d 0 |
323 |
|
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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 |
326 |
|
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a_QbyOCN (I,J) = 0.0 _d 0 |
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r_QbyOCN (I,J) = 0.0 _d 0 |
329 |
|
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d_AREAbyATM(I,J) = 0.0 _d 0 |
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d_AREAbyICE(I,J) = 0.0 _d 0 |
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d_AREAbyOCN(I,J) = 0.0 _d 0 |
333 |
|
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d_HEFFbyNEG(I,J) = 0.0 _d 0 |
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d_HEFFbyOCNonICE(I,J) = 0.0 _d 0 |
336 |
d_HEFFbyATMonOCN(I,J) = 0.0 _d 0 |
337 |
d_HEFFbyFLOODING(I,J) = 0.0 _d 0 |
338 |
|
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d_HEFFbyATMonOCN_open(I,J) = 0.0 _d 0 |
340 |
d_HEFFbyATMonOCN_cover(I,J) = 0.0 _d 0 |
341 |
|
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d_HSNWbyNEG(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 |
346 |
a_FWbySublim(I,J) = 0.0 _d 0 |
347 |
r_FWbySublim(I,J) = 0.0 _d 0 |
348 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
349 |
d_HEFFbySublim(I,J) = 0.0 _d 0 |
350 |
d_HSNWbySublim(I,J) = 0.0 _d 0 |
351 |
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
352 |
latentHeatFluxMax(I,J) = 0.0 _d 0 |
353 |
c |
354 |
d_HFRWbyRAIN(I,J) = 0.0 _d 0 |
355 |
|
356 |
tmparr1(I,J) = 0.0 _d 0 |
357 |
|
358 |
#ifdef SEAICE_VARIABLE_SALINITY |
359 |
saltFluxAdjust(I,J) = 0.0 _d 0 |
360 |
#endif |
361 |
#ifdef SEAICE_MULTICATEGORY |
362 |
a_QbyATMmult_cover(I,J) = 0.0 _d 0 |
363 |
a_QSWbyATMmult_cover(I,J) = 0.0 _d 0 |
364 |
a_FWbySublimMult(I,J) = 0.0 _d 0 |
365 |
latentHeatFluxMaxP(I,J) = 0.0 _d 0 |
366 |
#endif /* SEAICE_MULTICATEGORY */ |
367 |
ENDDO |
368 |
ENDDO |
369 |
#ifdef ALLOW_MEAN_SFLUX_COST_CONTRIBUTION |
370 |
DO J=1-oLy,sNy+oLy |
371 |
DO I=1-oLx,sNx+oLx |
372 |
frWtrAtm(I,J,bi,bj) = 0.0 _d 0 |
373 |
ENDDO |
374 |
ENDDO |
375 |
#endif |
376 |
|
377 |
|
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C ===================================================================== |
379 |
C ===========PART 1: treat pathological cases (post advdiff)=========== |
380 |
C ===================================================================== |
381 |
|
382 |
#ifdef SEAICE_GROWTH_LEGACY |
383 |
|
384 |
DO J=1,sNy |
385 |
DO I=1,sNx |
386 |
HEFFpreTH(I,J)=HEFFNM1(I,J,bi,bj) |
387 |
HSNWpreTH(I,J)=HSNOW(I,J,bi,bj) |
388 |
AREApreTH(I,J)=AREANM1(I,J,bi,bj) |
389 |
d_HEFFbyNEG(I,J)=0. _d 0 |
390 |
d_HSNWbyNEG(I,J)=0. _d 0 |
391 |
#ifdef ALLOW_DIAGNOSTICS |
392 |
DIAGarrayA(I,J) = AREANM1(I,J,bi,bj) |
393 |
DIAGarrayB(I,J) = AREANM1(I,J,bi,bj) |
394 |
DIAGarrayC(I,J) = HEFFNM1(I,J,bi,bj) |
395 |
DIAGarrayD(I,J) = HSNOW(I,J,bi,bj) |
396 |
#endif |
397 |
ENDDO |
398 |
ENDDO |
399 |
|
400 |
#else /* SEAICE_GROWTH_LEGACY */ |
401 |
|
402 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
403 |
Cgf no dependency through pathological cases treatment |
404 |
IF ( SEAICEadjMODE.EQ.0 ) then |
405 |
#endif |
406 |
|
407 |
C 1) treat the case of negative values: |
408 |
|
409 |
#ifdef ALLOW_AUTODIFF_TAMC |
410 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
411 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
412 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
413 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
414 |
DO J=1,sNy |
415 |
DO I=1,sNx |
416 |
d_HEFFbyNEG(I,J)=MAX(-HEFF(I,J,bi,bj),0. _d 0) |
417 |
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj)+d_HEFFbyNEG(I,J) |
418 |
d_HSNWbyNEG(I,J)=MAX(-HSNOW(I,J,bi,bj),0. _d 0) |
419 |
HSNOW(I,J,bi,bj)=HSNOW(I,J,bi,bj)+d_HSNWbyNEG(I,J) |
420 |
AREA(I,J,bi,bj)=MAX(AREA(I,J,bi,bj),0. _d 0) |
421 |
ENDDO |
422 |
ENDDO |
423 |
|
424 |
C 1.25) treat the case of very thin ice: |
425 |
|
426 |
#ifdef ALLOW_AUTODIFF_TAMC |
427 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
428 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
429 |
DO J=1,sNy |
430 |
DO I=1,sNx |
431 |
if (HEFF(I,J,bi,bj).LE.siEps) then |
432 |
tmpscal2=-HEFF(I,J,bi,bj) |
433 |
tmpscal3=-HSNOW(I,J,bi,bj) |
434 |
TICE(I,J,bi,bj)=celsius2K |
435 |
#ifdef SEAICE_AGE |
436 |
IceAgeTr(i,j,bi,bj,2)=0. _d 0 |
437 |
#endif /* SEAICE_AGE */ |
438 |
else |
439 |
tmpscal2=0. _d 0 |
440 |
tmpscal3=0. _d 0 |
441 |
endif |
442 |
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj)+tmpscal2 |
443 |
d_HEFFbyNEG(I,J)=d_HEFFbyNEG(I,J)+tmpscal2 |
444 |
HSNOW(I,J,bi,bj)=HSNOW(I,J,bi,bj)+tmpscal3 |
445 |
d_HSNWbyNEG(I,J)=d_HSNWbyNEG(I,J)+tmpscal3 |
446 |
ENDDO |
447 |
ENDDO |
448 |
|
449 |
C 1.5) treat the case of area but no ice/snow: |
450 |
|
451 |
#ifdef ALLOW_AUTODIFF_TAMC |
452 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
453 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
454 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
455 |
DO J=1,sNy |
456 |
DO I=1,sNx |
457 |
IF ((HEFF(i,j,bi,bj).EQ.0. _d 0).AND. |
458 |
& (HSNOW(i,j,bi,bj).EQ.0. _d 0)) AREA(I,J,bi,bj)=0. _d 0 |
459 |
ENDDO |
460 |
ENDDO |
461 |
|
462 |
C 2) treat the case of very small area: |
463 |
|
464 |
#ifndef DISABLE_AREA_FLOOR |
465 |
#ifdef ALLOW_AUTODIFF_TAMC |
466 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
467 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
468 |
DO J=1,sNy |
469 |
DO I=1,sNx |
470 |
IF ((HEFF(i,j,bi,bj).GT.0).OR.(HSNOW(i,j,bi,bj).GT.0)) THEN |
471 |
#ifdef SEAICE_AGE |
472 |
IF (AREA(I,J,bi,bj).LT.SEAICE_area_floor) THEN |
473 |
IceAgeTr(i,j,bi,bj,1)=IceAgeTr(i,j,bi,bj,1) |
474 |
& + IceAgeTr(i,j,bi,bj,1) |
475 |
& *(SEAICE_area_floor-AREA(I,J,bi,bj)) / SEAICE_area_floor |
476 |
ENDIF |
477 |
#endif /* SEAICE_AGE */ |
478 |
AREA(I,J,bi,bj)=MAX(AREA(I,J,bi,bj),SEAICE_area_floor) |
479 |
ENDIF |
480 |
ENDDO |
481 |
ENDDO |
482 |
#endif /* DISABLE_AREA_FLOOR */ |
483 |
|
484 |
C 2.5) treat case of excessive ice cover, e.g., due to ridging: |
485 |
|
486 |
#ifdef ALLOW_AUTODIFF_TAMC |
487 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
488 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
489 |
DO J=1,sNy |
490 |
DO I=1,sNx |
491 |
#ifdef ALLOW_DIAGNOSTICS |
492 |
DIAGarrayA(I,J) = AREA(I,J,bi,bj) |
493 |
#endif |
494 |
#ifdef ALLOW_SITRACER |
495 |
SItrAREA(I,J,bi,bj,1)=AREA(I,J,bi,bj) |
496 |
#endif |
497 |
#ifdef SEAICE_AGE |
498 |
IF (AREA(I,J,bi,bj).GT.SEAICE_area_max) THEN |
499 |
IceAgeTr(i,j,bi,bj,1)=IceAgeTr(i,j,bi,bj,1) |
500 |
& - IceAgeTr(i,j,bi,bj,1) |
501 |
& *(AREA(I,J,bi,bj)-SEAICE_area_max) / SEAICE_area_max |
502 |
ENDIF |
503 |
#endif /* SEAICE_AGE */ |
504 |
AREA(I,J,bi,bj)=MIN(AREA(I,J,bi,bj),SEAICE_area_max) |
505 |
ENDDO |
506 |
ENDDO |
507 |
|
508 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
509 |
ENDIF |
510 |
#endif |
511 |
|
512 |
C 3) store regularized values of heff, hsnow, area at the onset of thermo. |
513 |
DO J=1,sNy |
514 |
DO I=1,sNx |
515 |
HEFFpreTH(I,J)=HEFF(I,J,bi,bj) |
516 |
HSNWpreTH(I,J)=HSNOW(I,J,bi,bj) |
517 |
AREApreTH(I,J)=AREA(I,J,bi,bj) |
518 |
#ifdef ALLOW_DIAGNOSTICS |
519 |
DIAGarrayB(I,J) = AREA(I,J,bi,bj) |
520 |
DIAGarrayC(I,J) = HEFF(I,J,bi,bj) |
521 |
DIAGarrayD(I,J) = HSNOW(I,J,bi,bj) |
522 |
#endif |
523 |
#ifdef ALLOW_SITRACER |
524 |
SItrHEFF(I,J,bi,bj,1)=HEFF(I,J,bi,bj) |
525 |
SItrAREA(I,J,bi,bj,2)=AREA(I,J,bi,bj) |
526 |
#endif |
527 |
ENDDO |
528 |
ENDDO |
529 |
|
530 |
C 4) treat sea ice salinity pathological cases |
531 |
#ifdef SEAICE_VARIABLE_SALINITY |
532 |
#ifdef ALLOW_AUTODIFF_TAMC |
533 |
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
534 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
535 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
536 |
DO J=1,sNy |
537 |
DO I=1,sNx |
538 |
IF ( (HSALT(I,J,bi,bj) .LT. 0.0).OR. |
539 |
& (HEFF(I,J,bi,bj) .EQ. 0.0) ) THEN |
540 |
saltFluxAdjust(I,J) = - HEFFM(I,J,bi,bj) * |
541 |
& HSALT(I,J,bi,bj) / SEAICE_deltaTtherm |
542 |
HSALT(I,J,bi,bj) = 0.0 _d 0 |
543 |
ENDIF |
544 |
ENDDO |
545 |
ENDDO |
546 |
#endif /* SEAICE_VARIABLE_SALINITY */ |
547 |
|
548 |
C 5) treat sea ice age pathological cases |
549 |
C ... |
550 |
|
551 |
#ifdef SEAICE_AGE |
552 |
|
553 |
#ifdef ALLOW_AUTODIFF_TAMC |
554 |
CADJ STORE IceAgeTr(:,:,bi,bj,1) = comlev1_bibj, |
555 |
CADJ & key = iicekey,byte=isbyte |
556 |
CADJ STORE IceAgeTr(:,:,bi,bj,2) = comlev1_bibj, |
557 |
CADJ & key = iicekey,byte=isbyte |
558 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, |
559 |
CADJ & key = iicekey,byte=isbyte |
560 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
561 |
DO J=1,sNy |
562 |
DO I=1,sNx |
563 |
IF (HEFF(i,j,bi,bj).EQ.0.) THEN |
564 |
IceAgeTr(i,j,bi,bj,1)=0. _d 0 |
565 |
IceAgeTr(i,j,bi,bj,2)=0. _d 0 |
566 |
ENDIF |
567 |
IF (IceAgeTr(i,j,bi,bj,1).LT.0.) IceAgeTr(i,j,bi,bj,1)=0. _d 0 |
568 |
IF (IceAgeTr(i,j,bi,bj,2).LT.0.) IceAgeTr(i,j,bi,bj,2)=0. _d 0 |
569 |
ENDDO |
570 |
ENDDO |
571 |
#endif /* SEAICE_AGE */ |
572 |
|
573 |
#endif /* SEAICE_GROWTH_LEGACY */ |
574 |
|
575 |
#ifdef ALLOW_DIAGNOSTICS |
576 |
IF ( useDiagnostics ) THEN |
577 |
CALL DIAGNOSTICS_FILL(DIAGarrayA,'SIareaPR',0,1,3,bi,bj,myThid) |
578 |
CALL DIAGNOSTICS_FILL(DIAGarrayB,'SIareaPT',0,1,3,bi,bj,myThid) |
579 |
CALL DIAGNOSTICS_FILL(DIAGarrayC,'SIheffPT',0,1,3,bi,bj,myThid) |
580 |
CALL DIAGNOSTICS_FILL(DIAGarrayD,'SIhsnoPT',0,1,3,bi,bj,myThid) |
581 |
#ifdef ALLOW_SITRACER |
582 |
DO iTr = 1, SItrMaxNum |
583 |
WRITE(diagName,'(A4,I2.2,A2)') 'SItr',iTr,'PT' |
584 |
if (SItrMate(iTr).EQ.'HEFF') then |
585 |
CALL DIAGNOSTICS_FRACT_FILL( |
586 |
I SItracer(1-OLx,1-OLy,bi,bj,iTr),HEFF(1-OLx,1-OLy,bi,bj), |
587 |
I ONE, 1, diagName,0,1,2,bi,bj,myThid ) |
588 |
else |
589 |
CALL DIAGNOSTICS_FRACT_FILL( |
590 |
I SItracer(1-OLx,1-OLy,bi,bj,iTr),AREA(1-OLx,1-OLy,bi,bj), |
591 |
I ONE, 1, diagName,0,1,2,bi,bj,myThid ) |
592 |
endif |
593 |
ENDDO |
594 |
#endif |
595 |
ENDIF |
596 |
#endif |
597 |
|
598 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
599 |
Cgf no additional dependency of air-sea fluxes to ice |
600 |
IF ( SEAICEadjMODE.GE.1 ) THEN |
601 |
DO J=1,sNy |
602 |
DO I=1,sNx |
603 |
HEFFpreTH(I,J) = 0. _d 0 |
604 |
HSNWpreTH(I,J) = 0. _d 0 |
605 |
AREApreTH(I,J) = 0. _d 0 |
606 |
ENDDO |
607 |
ENDDO |
608 |
ENDIF |
609 |
#endif |
610 |
|
611 |
C 4) COMPUTE ACTUAL ICE/SNOW THICKNESS; USE MIN/MAX VALUES |
612 |
C TO REGULARIZE SEAICE_SOLVE4TEMP/d_AREA COMPUTATIONS |
613 |
|
614 |
#ifdef ALLOW_AUTODIFF_TAMC |
615 |
CADJ STORE AREApreTH = comlev1_bibj, key = iicekey, byte = isbyte |
616 |
CADJ STORE HEFFpreTH = comlev1_bibj, key = iicekey, byte = isbyte |
617 |
CADJ STORE HSNWpreTH = comlev1_bibj, key = iicekey, byte = isbyte |
618 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
619 |
DO J=1,sNy |
620 |
DO I=1,sNx |
621 |
|
622 |
IF (HEFFpreTH(I,J) .GT. ZERO) THEN |
623 |
#ifdef SEAICE_GROWTH_LEGACY |
624 |
tmpscal1 = MAX(SEAICE_area_reg,AREApreTH(I,J)) |
625 |
hsnowActual(I,J) = HSNWpreTH(I,J)/tmpscal1 |
626 |
tmpscal2 = HEFFpreTH(I,J)/tmpscal1 |
627 |
heffActual(I,J) = MAX(tmpscal2,SEAICE_hice_reg) |
628 |
#else |
629 |
cif regularize AREA with SEAICE_area_reg |
630 |
tmpscal1 = SQRT(AREApreTH(I,J)* AREApreTH(I,J) + area_reg_sq) |
631 |
|
632 |
cif heffActual calculated with the regularized AREA |
633 |
tmpscal2 = HEFFpreTH(I,J) / tmpscal1 |
634 |
|
635 |
cif regularize heffActual with SEAICE_hice_reg (add lower bound) |
636 |
heffActual(I,J) = SQRT(tmpscal2 * tmpscal2 + hice_reg_sq) |
637 |
|
638 |
cif hsnowActual calculated with the regularized AREA |
639 |
hsnowActual(I,J) = HSNWpreTH(I,J) / tmpscal1 |
640 |
#endif |
641 |
|
642 |
cif regularize the inverse of heffActual by hice_reg |
643 |
recip_heffActual(I,J) = AREApreTH(I,J) / |
644 |
& sqrt(HEFFpreTH(I,J)*HEFFpreTH(I,J) + hice_reg_sq) |
645 |
|
646 |
cif Do not regularize when HEFFpreTH = 0 |
647 |
ELSE |
648 |
heffActual(I,J) = ZERO |
649 |
hsnowActual(I,J) = ZERO |
650 |
recip_heffActual(I,J) = ZERO |
651 |
ENDIF |
652 |
|
653 |
ENDDO |
654 |
ENDDO |
655 |
|
656 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
657 |
CALL ZERO_ADJ_1D( sNx*sNy, heffActual, myThid) |
658 |
CALL ZERO_ADJ_1D( sNx*sNy, hsnowActual, myThid) |
659 |
CALL ZERO_ADJ_1D( sNx*sNy, recip_heffActual, myThid) |
660 |
#endif |
661 |
|
662 |
C 5) COMPUTE MAXIMUM LATENT HEAT FLUXES FOR THE CURRENT ICE |
663 |
C AND SNOW THICKNESS |
664 |
|
665 |
DO J=1,sNy |
666 |
DO I=1,sNx |
667 |
c The latent heat flux over the sea ice which |
668 |
c will sublimate all of the snow and ice over one time |
669 |
c step (W/m^2) |
670 |
IF (HEFFpreTH(I,J) .GT. ZERO) THEN |
671 |
latentHeatFluxMax(I,J) = lhSublim / SEAICE_deltaTtherm * |
672 |
& (HEFFpreTH(I,J) * SEAICE_rhoIce + |
673 |
& HSNWpreTH(I,J) * SEAICE_rhoSnow)/AREApreTH(I,J) |
674 |
ELSE |
675 |
latentHeatFluxMax(I,J) = ZERO |
676 |
ENDIF |
677 |
ENDDO |
678 |
ENDDO |
679 |
|
680 |
|
681 |
C =================================================================== |
682 |
C ================PART 2: determine heat fluxes/stocks=============== |
683 |
C =================================================================== |
684 |
|
685 |
C determine available heat due to the atmosphere -- for open water |
686 |
C ================================================================ |
687 |
|
688 |
C ocean surface/mixed layer temperature |
689 |
DO J=1,sNy |
690 |
DO I=1,sNx |
691 |
TMIX(I,J,bi,bj)=theta(I,J,kSurface,bi,bj)+celsius2K |
692 |
ENDDO |
693 |
ENDDO |
694 |
|
695 |
C wind speed from exf |
696 |
DO J=1,sNy |
697 |
DO I=1,sNx |
698 |
UG(I,J) = MAX(SEAICE_EPS,wspeed(I,J,bi,bj)) |
699 |
ENDDO |
700 |
ENDDO |
701 |
|
702 |
#ifdef ALLOW_AUTODIFF_TAMC |
703 |
CADJ STORE qnet(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
704 |
CADJ STORE qsw(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
705 |
cCADJ STORE UG = comlev1_bibj, key = iicekey,byte=isbyte |
706 |
cCADJ STORE TMIX(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
707 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
708 |
|
709 |
CALL SEAICE_BUDGET_OCEAN( |
710 |
I UG, |
711 |
U TMIX, |
712 |
O a_QbyATM_open, a_QSWbyATM_open, |
713 |
I bi, bj, myTime, myIter, myThid ) |
714 |
|
715 |
C determine available heat due to the atmosphere -- for ice covered water |
716 |
C ======================================================================= |
717 |
|
718 |
#ifdef ALLOW_ATM_WIND |
719 |
IF (useRelativeWind) THEN |
720 |
C Compute relative wind speed over sea ice. |
721 |
DO J=1,sNy |
722 |
DO I=1,sNx |
723 |
SPEED_SQ = |
724 |
& (uWind(I,J,bi,bj) |
725 |
& +0.5 _d 0*(uVel(i,j,kSurface,bi,bj) |
726 |
& +uVel(i+1,j,kSurface,bi,bj)) |
727 |
& -0.5 _d 0*(uice(i,j,bi,bj)+uice(i+1,j,bi,bj)))**2 |
728 |
& +(vWind(I,J,bi,bj) |
729 |
& +0.5 _d 0*(vVel(i,j,kSurface,bi,bj) |
730 |
& +vVel(i,j+1,kSurface,bi,bj)) |
731 |
& -0.5 _d 0*(vice(i,j,bi,bj)+vice(i,j+1,bi,bj)))**2 |
732 |
IF ( SPEED_SQ .LE. SEAICE_EPS_SQ ) THEN |
733 |
UG(I,J)=SEAICE_EPS |
734 |
ELSE |
735 |
UG(I,J)=SQRT(SPEED_SQ) |
736 |
ENDIF |
737 |
ENDDO |
738 |
ENDDO |
739 |
ENDIF |
740 |
#endif |
741 |
|
742 |
#ifdef ALLOW_AUTODIFF_TAMC |
743 |
CADJ STORE tice(:,:,bi,bj) |
744 |
CADJ & = comlev1_bibj, key = iicekey, byte = isbyte |
745 |
CADJ STORE hsnowActual = comlev1_bibj, key = iicekey, byte = isbyte |
746 |
CADJ STORE heffActual = comlev1_bibj, key = iicekey, byte = isbyte |
747 |
CADJ STORE UG = comlev1_bibj, key = iicekey, byte = isbyte |
748 |
# ifdef SEAICE_MULTICATEGORY |
749 |
CADJ STORE tices(:,:,:,bi,bj) |
750 |
CADJ & = comlev1_bibj, key = iicekey, byte = isbyte |
751 |
# endif /* SEAICE_MULTICATEGORY */ |
752 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
753 |
|
754 |
C-- Start loop over multi-categories, if SEAICE_MULTICATEGORY is undefined |
755 |
C nDim = 1, and there is only one loop iteration |
756 |
#ifdef SEAICE_MULTICATEGORY |
757 |
DO IT=1,nDim |
758 |
#ifdef ALLOW_AUTODIFF_TAMC |
759 |
C Why do we need this store directive when we have just stored |
760 |
C TICES before the loop? |
761 |
ilockey = (iicekey-1)*nDim + IT |
762 |
CADJ STORE tices(:,:,it,bi,bj) = comlev1_multdim, |
763 |
CADJ & key = ilockey, byte = isbyte |
764 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
765 |
pFac = (2.0 _d 0*real(IT)-1.0 _d 0)/nDim |
766 |
DO J=1,sNy |
767 |
DO I=1,sNx |
768 |
heffActualP(I,J)= heffActual(I,J)*pFac |
769 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
770 |
latentHeatFluxMaxP(I,J) = latentHeatFluxMax(I,J)*pFac |
771 |
#endif |
772 |
TICE(I,J,bi,bj)=TICES(I,J,IT,bi,bj) |
773 |
ENDDO |
774 |
ENDDO |
775 |
CALL SEAICE_SOLVE4TEMP( |
776 |
I UG, heffActualP, hsnowActual, |
777 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
778 |
I latentHeatFluxMaxP, |
779 |
#endif |
780 |
U TICE, |
781 |
O a_QbyATMmult_cover, a_QSWbyATMmult_cover, |
782 |
O a_FWbySublimMult, |
783 |
I bi, bj, myTime, myIter, myThid ) |
784 |
DO J=1,sNy |
785 |
DO I=1,sNx |
786 |
C average over categories |
787 |
a_QbyATM_cover (I,J) = a_QbyATM_cover(I,J) |
788 |
& + a_QbyATMmult_cover(I,J)/nDim |
789 |
a_QSWbyATM_cover (I,J) = a_QSWbyATM_cover(I,J) |
790 |
& + a_QSWbyATMmult_cover(I,J)/nDim |
791 |
a_FWbySublim (I,J) = a_FWbySublim(I,J) |
792 |
& + a_FWbySublimMult(I,J)/nDim |
793 |
TICES(I,J,IT,bi,bj) = TICE(I,J,bi,bj) |
794 |
ENDDO |
795 |
ENDDO |
796 |
ENDDO |
797 |
#else |
798 |
CALL SEAICE_SOLVE4TEMP( |
799 |
I UG, heffActual, hsnowActual, |
800 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
801 |
I latentHeatFluxMax, |
802 |
#endif |
803 |
U TICE, |
804 |
O a_QbyATM_cover, a_QSWbyATM_cover, a_FWbySublim, |
805 |
I bi, bj, myTime, myIter, myThid ) |
806 |
#endif /* SEAICE_MULTICATEGORY */ |
807 |
C-- End loop over multi-categories |
808 |
|
809 |
#ifdef ALLOW_DIAGNOSTICS |
810 |
DO J=1,sNy |
811 |
DO I=1,sNx |
812 |
c The actual latent heat flux realized by SOLVE4TEMP |
813 |
DIAGarrayA(I,J) = a_FWbySublim(I,J) * lhSublim |
814 |
ENDDO |
815 |
ENDDO |
816 |
|
817 |
cif The actual vs. maximum latent heat flux |
818 |
IF ( useDiagnostics ) THEN |
819 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
820 |
& 'SIactLHF',0,1,3,bi,bj,myThid) |
821 |
CALL DIAGNOSTICS_FILL(latentHeatFluxMax, |
822 |
& 'SImaxLHF',0,1,3,bi,bj,myThid) |
823 |
ENDIF |
824 |
#endif |
825 |
|
826 |
|
827 |
C switch heat fluxes from W/m2 to 'effective' ice meters |
828 |
DO J=1,sNy |
829 |
DO I=1,sNx |
830 |
a_QbyATM_cover(I,J) = a_QbyATM_cover(I,J) |
831 |
& * convertQ2HI * AREApreTH(I,J) |
832 |
a_QSWbyATM_cover(I,J) = a_QSWbyATM_cover(I,J) |
833 |
& * convertQ2HI * AREApreTH(I,J) |
834 |
a_QbyATM_open(I,J) = a_QbyATM_open(I,J) |
835 |
& * convertQ2HI * ( ONE - AREApreTH(I,J) ) |
836 |
a_QSWbyATM_open(I,J) = a_QSWbyATM_open(I,J) |
837 |
& * convertQ2HI * ( ONE - AREApreTH(I,J) ) |
838 |
C and initialize r_QbyATM_cover/r_QbyATM_open |
839 |
r_QbyATM_cover(I,J)=a_QbyATM_cover(I,J) |
840 |
r_QbyATM_open(I,J)=a_QbyATM_open(I,J) |
841 |
C Convert fresh water flux by sublimation to 'effective' ice meters. |
842 |
C Negative sublimation is resublimation and will be added as snow. |
843 |
a_FWbySublim(I,J) = SEAICE_deltaTtherm/SEAICE_rhoIce |
844 |
& * a_FWbySublim(I,J)*AREApreTH(I,J) |
845 |
r_FWbySublim(I,J)=a_FWbySublim(I,J) |
846 |
ENDDO |
847 |
ENDDO |
848 |
|
849 |
|
850 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
851 |
Cgf no additional dependency through ice cover |
852 |
IF ( SEAICEadjMODE.GE.3 ) THEN |
853 |
DO J=1,sNy |
854 |
DO I=1,sNx |
855 |
a_QbyATM_cover(I,J) = 0. _d 0 |
856 |
r_QbyATM_cover(I,J) = 0. _d 0 |
857 |
a_QSWbyATM_cover(I,J) = 0. _d 0 |
858 |
ENDDO |
859 |
ENDDO |
860 |
ENDIF |
861 |
#endif |
862 |
|
863 |
C determine available heat due to the ice pack tying the |
864 |
C underlying surface water temperature to freezing point |
865 |
C ====================================================== |
866 |
|
867 |
#ifdef ALLOW_AUTODIFF_TAMC |
868 |
CADJ STORE theta(:,:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
869 |
#endif |
870 |
|
871 |
DO J=1,sNy |
872 |
DO I=1,sNx |
873 |
|
874 |
#ifdef SEAICE_VARIABLE_FREEZING_POINT |
875 |
TBC = -0.0575 _d 0*salt(I,J,kSurface,bi,bj) + 0.0901 _d 0 |
876 |
#endif /* SEAICE_VARIABLE_FREEZING_POINT */ |
877 |
|
878 |
#ifdef MCPHEE_OCEAN_ICE_HEAT_FLUX |
879 |
|
880 |
c Bound the ocean temperature to be at or above the freezing point. |
881 |
surf_theta = max(theta(I,J,kSurface,bi,bj), TBC) |
882 |
#ifdef GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR |
883 |
MixedLayerTurbulenceFactor = 12.5 _d 0 - |
884 |
& 11.5 _d 0 *AREApreTH(I,J) |
885 |
#else |
886 |
c If ice is present, MixedLayerTurbulenceFactor = 1.0, else 12.50 |
887 |
IF (AREApreTH(I,J) .GT. 0. _d 0) THEN |
888 |
MixedLayerTurbulenceFactor = ONE |
889 |
ELSE |
890 |
MixedLayerTurbulenceFactor = 12.5 _d 0 |
891 |
ENDIF |
892 |
#endif /* GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR */ |
893 |
|
894 |
c The turbulent ocean-ice heat flux |
895 |
a_QbyOCN(I,J) = -STANTON_NUMBER * USTAR_BASE * rhoConst * |
896 |
& HeatCapacity_Cp *(surf_theta - TBC)* |
897 |
& MixedLayerTurbulenceFactor*maskC(i,j,kSurface,bi,bj) |
898 |
|
899 |
c The turbulent ocean-ice heat flux converted to meters |
900 |
c of potential ice melt |
901 |
a_QbyOCN(I,J) = a_QbyOCN(I,J) * convertQ2HI |
902 |
|
903 |
c by design a_QbyOCN .LE. 0. so that initial ice growth cannot |
904 |
c be triggered by this term, which Ian says is better for adjoint |
905 |
#else |
906 |
|
907 |
IF ( theta(I,J,kSurface,bi,bj) .GE. TBC ) THEN |
908 |
tmpscal1 = SEAICE_availHeatFrac |
909 |
ELSE |
910 |
tmpscal1 = SEAICE_availHeatFracFrz |
911 |
ENDIF |
912 |
tmpscal1 = tmpscal1 |
913 |
& * dRf(kSurface) * maskC(i,j,kSurface,bi,bj) |
914 |
|
915 |
a_QbyOCN(i,j) = -tmpscal1 * (HeatCapacity_Cp*rhoConst/QI) |
916 |
& * (theta(I,J,kSurface,bi,bj)-TBC) |
917 |
|
918 |
#endif /* MCPHEE_OCEAN_ICE_HEAT_FLUX */ |
919 |
|
920 |
r_QbyOCN(i,j) = a_QbyOCN(i,j) |
921 |
|
922 |
ENDDO |
923 |
ENDDO |
924 |
|
925 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
926 |
CALL ZERO_ADJ_1D( sNx*sNy, r_QbyOCN, myThid) |
927 |
#endif |
928 |
|
929 |
|
930 |
C =================================================================== |
931 |
C =========PART 3: determine effective thicknesses increments======== |
932 |
C =================================================================== |
933 |
|
934 |
C compute snow/ice tendency due to sublimation |
935 |
C ============================================ |
936 |
|
937 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
938 |
#ifdef ALLOW_AUTODIFF_TAMC |
939 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
940 |
CADJ STORE r_FWbySublim = comlev1_bibj,key=iicekey,byte=isbyte |
941 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
942 |
DO J=1,sNy |
943 |
DO I=1,sNx |
944 |
C First sublimate/deposite snow |
945 |
tmpscal2 = MIN(r_FWbySublim(I,J),HSNOW(I,J,bi,bj)/ICE2SNOW) |
946 |
d_HSNWbySublim(I,J) = - tmpscal2 * ICE2SNOW |
947 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) - tmpscal2*ICE2SNOW |
948 |
r_FWbySublim(I,J) = r_FWbySublim(I,J) - tmpscal2 |
949 |
ENDDO |
950 |
ENDDO |
951 |
#ifdef ALLOW_AUTODIFF_TAMC |
952 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
953 |
CADJ STORE r_FWbySublim = comlev1_bibj,key=iicekey,byte=isbyte |
954 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
955 |
DO J=1,sNy |
956 |
DO I=1,sNx |
957 |
C If anything is left, sublimate ice |
958 |
tmpscal2 = MIN(r_FWbySublim(I,J),HEFF(I,J,bi,bj)) |
959 |
d_HEFFbySublim(I,J) = - tmpscal2 |
960 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) - tmpscal2 |
961 |
r_FWbySublim(I,J) = r_FWbySublim(I,J) - tmpscal2 |
962 |
ENDDO |
963 |
ENDDO |
964 |
DO J=1,sNy |
965 |
DO I=1,sNx |
966 |
C If anything is left, it will be evaporated from the ocean rather than sublimated. |
967 |
C Since a_QbyATM_cover was computed for sublimation, not simple evapation, we need to |
968 |
C remove the fusion part for the residual (that happens to be precisely r_FWbySublim). |
969 |
a_QbyATM_cover(I,J) = a_QbyATM_cover(I,J)-r_FWbySublim(I,J) |
970 |
r_QbyATM_cover(I,J) = r_QbyATM_cover(I,J)-r_FWbySublim(I,J) |
971 |
ENDDO |
972 |
ENDDO |
973 |
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
974 |
|
975 |
C compute ice thickness tendency due to ice-ocean interaction |
976 |
C =========================================================== |
977 |
|
978 |
#ifdef ALLOW_AUTODIFF_TAMC |
979 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
980 |
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
981 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
982 |
|
983 |
DO J=1,sNy |
984 |
DO I=1,sNx |
985 |
d_HEFFbyOCNonICE(I,J)=MAX(r_QbyOCN(i,j), -HEFF(I,J,bi,bj)) |
986 |
r_QbyOCN(I,J)=r_QbyOCN(I,J)-d_HEFFbyOCNonICE(I,J) |
987 |
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj) + d_HEFFbyOCNonICE(I,J) |
988 |
#ifdef ALLOW_SITRACER |
989 |
SItrHEFF(I,J,bi,bj,2)=HEFF(I,J,bi,bj) |
990 |
#endif |
991 |
ENDDO |
992 |
ENDDO |
993 |
|
994 |
C compute snow melt tendency due to snow-atmosphere interaction |
995 |
C ================================================================== |
996 |
|
997 |
#ifdef ALLOW_AUTODIFF_TAMC |
998 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
999 |
CADJ STORE r_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1000 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1001 |
|
1002 |
DO J=1,sNy |
1003 |
DO I=1,sNx |
1004 |
tmpscal1=MAX(r_QbyATM_cover(I,J)*ICE2SNOW,-HSNOW(I,J,bi,bj)) |
1005 |
tmpscal2=MIN(tmpscal1,0. _d 0) |
1006 |
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
1007 |
Cgf no additional dependency through snow |
1008 |
IF ( SEAICEadjMODE.GE.2 ) tmpscal2 = 0. _d 0 |
1009 |
#endif |
1010 |
d_HSNWbyATMonSNW(I,J)= tmpscal2 |
1011 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) + tmpscal2 |
1012 |
r_QbyATM_cover(I,J)=r_QbyATM_cover(I,J) - tmpscal2/ICE2SNOW |
1013 |
ENDDO |
1014 |
ENDDO |
1015 |
|
1016 |
C compute ice thickness tendency due to the atmosphere |
1017 |
C ==================================================== |
1018 |
|
1019 |
#ifdef ALLOW_AUTODIFF_TAMC |
1020 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1021 |
CADJ STORE r_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1022 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1023 |
|
1024 |
Cgf note: this block is not actually tested by lab_sea |
1025 |
Cgf where all experiments start in January. So even though |
1026 |
Cgf the v1.81=>v1.82 revision would change results in |
1027 |
Cgf warming conditions, the lab_sea results were not changed. |
1028 |
|
1029 |
DO J=1,sNy |
1030 |
DO I=1,sNx |
1031 |
|
1032 |
#ifdef SEAICE_GROWTH_LEGACY |
1033 |
tmpscal2 = MAX(-HEFF(I,J,bi,bj),r_QbyATM_cover(I,J)) |
1034 |
#else |
1035 |
tmpscal2 = MAX(-HEFF(I,J,bi,bj),r_QbyATM_cover(I,J)+ |
1036 |
c Limit ice growth by potential melt by ocean |
1037 |
& AREApreTH(I,J) * r_QbyOCN(I,J)) |
1038 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1039 |
|
1040 |
d_HEFFbyATMonOCN_cover(I,J)=tmpscal2 |
1041 |
d_HEFFbyATMonOCN(I,J)=d_HEFFbyATMonOCN(I,J)+tmpscal2 |
1042 |
r_QbyATM_cover(I,J)=r_QbyATM_cover(I,J)-tmpscal2 |
1043 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal2 |
1044 |
|
1045 |
#ifdef ALLOW_SITRACER |
1046 |
SItrHEFF(I,J,bi,bj,3)=HEFF(I,J,bi,bj) |
1047 |
#endif |
1048 |
ENDDO |
1049 |
ENDDO |
1050 |
|
1051 |
C attribute precip to fresh water or snow stock, |
1052 |
C depending on atmospheric conditions. |
1053 |
C ================================================= |
1054 |
#ifdef ALLOW_ATM_TEMP |
1055 |
#ifdef ALLOW_AUTODIFF_TAMC |
1056 |
CADJ STORE a_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1057 |
CADJ STORE PRECIP(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1058 |
CADJ STORE AREApreTH = comlev1_bibj,key=iicekey,byte=isbyte |
1059 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1060 |
DO J=1,sNy |
1061 |
DO I=1,sNx |
1062 |
C possible alternatives to the a_QbyATM_cover criterium |
1063 |
c IF (TICE(I,J,bi,bj) .LT. TMIX) THEN |
1064 |
c IF (atemp(I,J,bi,bj) .LT. celsius2K) THEN |
1065 |
IF ( a_QbyATM_cover(I,J).GE. 0. _d 0 ) THEN |
1066 |
C add precip as snow |
1067 |
d_HFRWbyRAIN(I,J)=0. _d 0 |
1068 |
d_HSNWbyRAIN(I,J)=convertPRECIP2HI*ICE2SNOW* |
1069 |
& PRECIP(I,J,bi,bj)*AREApreTH(I,J) |
1070 |
ELSE |
1071 |
C add precip to the fresh water bucket |
1072 |
d_HFRWbyRAIN(I,J)=-convertPRECIP2HI* |
1073 |
& PRECIP(I,J,bi,bj)*AREApreTH(I,J) |
1074 |
d_HSNWbyRAIN(I,J)=0. _d 0 |
1075 |
ENDIF |
1076 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) + d_HSNWbyRAIN(I,J) |
1077 |
ENDDO |
1078 |
ENDDO |
1079 |
Cgf note: this does not affect air-sea heat flux, |
1080 |
Cgf since the implied air heat gain to turn |
1081 |
Cgf rain to snow is not a surface process. |
1082 |
#endif /* ALLOW_ATM_TEMP */ |
1083 |
|
1084 |
C compute snow melt due to heat available from ocean. |
1085 |
C ================================================================= |
1086 |
|
1087 |
Cgf do we need to keep this comment and cpp bracket? |
1088 |
Cph( very sensitive bit here by JZ |
1089 |
#ifndef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING |
1090 |
#ifdef ALLOW_AUTODIFF_TAMC |
1091 |
CADJ STORE HSNOW(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1092 |
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1093 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1094 |
DO J=1,sNy |
1095 |
DO I=1,sNx |
1096 |
tmpscal1=MAX(r_QbyOCN(i,j)*ICE2SNOW, -HSNOW(I,J,bi,bj)) |
1097 |
tmpscal2=MIN(tmpscal1,0. _d 0) |
1098 |
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
1099 |
Cgf no additional dependency through snow |
1100 |
if ( SEAICEadjMODE.GE.2 ) tmpscal2 = 0. _d 0 |
1101 |
#endif |
1102 |
d_HSNWbyOCNonSNW(I,J) = tmpscal2 |
1103 |
r_QbyOCN(I,J)=r_QbyOCN(I,J) |
1104 |
& -d_HSNWbyOCNonSNW(I,J)/ICE2SNOW |
1105 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)+d_HSNWbyOCNonSNW(I,J) |
1106 |
ENDDO |
1107 |
ENDDO |
1108 |
#endif /* SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING */ |
1109 |
Cph) |
1110 |
|
1111 |
C gain of new ice over open water |
1112 |
C =============================== |
1113 |
#ifndef SEAICE_GROWTH_LEGACY |
1114 |
#ifdef ALLOW_AUTODIFF_TAMC |
1115 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1116 |
CADJ STORE r_QbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
1117 |
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1118 |
CADJ STORE a_QSWbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1119 |
CADJ STORE a_QSWbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
1120 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1121 |
DO J=1,sNy |
1122 |
DO I=1,sNx |
1123 |
#ifdef SEAICE_DO_OPEN_WATER_GROWTH |
1124 |
c Initial ice growth is triggered by open water |
1125 |
c heat flux overcoming potential melt by ocean |
1126 |
tmpscal1=r_QbyATM_open(I,J)+r_QbyOCN(i,j) * |
1127 |
& (1.0 _d 0 - AREApreTH(i,J)) |
1128 |
c Penetrative shortwave flux beyond first layer |
1129 |
c that is therefore not available to ice growth/melt |
1130 |
tmpscal2=SWFRACB * a_QSWbyATM_open(I,J) |
1131 |
#ifdef SEAICE_DO_OPEN_WATER_MELT |
1132 |
C allow not only growth but also melt by open ocean heat flux |
1133 |
tmpscal3=MAX(tmpscal1-tmpscal2, -HEFF(I,J,bi,bj)) |
1134 |
#else |
1135 |
tmpscal3=MAX(tmpscal1-tmpscal2, 0. _d 0) |
1136 |
#endif /* SEAICE_DO_OPEN_WATER_MELT */ |
1137 |
d_HEFFbyATMonOCN_open(I,J)=tmpscal3 |
1138 |
d_HEFFbyATMonOCN(I,J)=d_HEFFbyATMonOCN(I,J)+tmpscal3 |
1139 |
r_QbyATM_open(I,J)=r_QbyATM_open(I,J)-tmpscal3 |
1140 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal3 |
1141 |
#endif /* SEAICE_DO_OPEN_WATER_GROWTH */ |
1142 |
ENDDO |
1143 |
ENDDO |
1144 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1145 |
|
1146 |
#ifdef ALLOW_SITRACER |
1147 |
DO J=1,sNy |
1148 |
DO I=1,sNx |
1149 |
c needs to be here to allow use also with LEGACY branch |
1150 |
SItrHEFF(I,J,bi,bj,4)=HEFF(I,J,bi,bj) |
1151 |
ENDDO |
1152 |
ENDDO |
1153 |
#endif |
1154 |
|
1155 |
C convert snow to ice if submerged. |
1156 |
C ================================= |
1157 |
|
1158 |
#ifndef SEAICE_GROWTH_LEGACY |
1159 |
C note: in legacy, this process is done at the end |
1160 |
#ifdef ALLOW_SEAICE_FLOODING |
1161 |
#ifdef ALLOW_AUTODIFF_TAMC |
1162 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1163 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1164 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1165 |
IF ( SEAICEuseFlooding ) THEN |
1166 |
DO J=1,sNy |
1167 |
DO I=1,sNx |
1168 |
hDraft = (HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1169 |
& +HEFF(I,J,bi,bj)*SEAICE_rhoIce)/rhoConst |
1170 |
tmpscal1 = MAX( 0. _d 0, hDraft - HEFF(I,J,bi,bj)) |
1171 |
d_HEFFbyFLOODING(I,J)=tmpscal1 |
1172 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)+d_HEFFbyFLOODING(I,J) |
1173 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)- |
1174 |
& d_HEFFbyFLOODING(I,J)*ICE2SNOW |
1175 |
ENDDO |
1176 |
ENDDO |
1177 |
ENDIF |
1178 |
#endif /* ALLOW_SEAICE_FLOODING */ |
1179 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1180 |
|
1181 |
C =================================================================== |
1182 |
C ==========PART 4: determine ice cover fraction increments=========- |
1183 |
C =================================================================== |
1184 |
|
1185 |
#ifdef ALLOW_AUTODIFF_TAMC |
1186 |
CADJ STORE d_HEFFbyATMonOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1187 |
CADJ STORE d_HEFFbyATMonOCN_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1188 |
CADJ STORE d_HEFFbyATMonOCN_open = comlev1_bibj,key=iicekey,byte=isbyte |
1189 |
CADJ STORE d_HEFFbyOCNonICE = comlev1_bibj,key=iicekey,byte=isbyte |
1190 |
CADJ STORE recip_heffActual = comlev1_bibj,key=iicekey,byte=isbyte |
1191 |
cph( |
1192 |
cphCADJ STORE d_AREAbyATM = comlev1_bibj,key=iicekey,byte=isbyte |
1193 |
cphCADJ STORE d_AREAbyICE = comlev1_bibj,key=iicekey,byte=isbyte |
1194 |
cphCADJ STORE d_AREAbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1195 |
cph) |
1196 |
CADJ STORE a_QbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
1197 |
CADJ STORE heffActual = comlev1_bibj,key=iicekey,byte=isbyte |
1198 |
CADJ STORE AREApreTH = comlev1_bibj,key=iicekey,byte=isbyte |
1199 |
CADJ STORE HEFF(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1200 |
CADJ STORE HSNOW(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1201 |
CADJ STORE AREA(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1202 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1203 |
|
1204 |
DO J=1,sNy |
1205 |
DO I=1,sNx |
1206 |
|
1207 |
IF ( YC(I,J,bi,bj) .LT. ZERO ) THEN |
1208 |
HO_loc=HO_south |
1209 |
ELSE |
1210 |
HO_loc=HO |
1211 |
ENDIF |
1212 |
|
1213 |
C compute contraction/expansion from melt/growth |
1214 |
#ifdef SEAICE_GROWTH_LEGACY |
1215 |
|
1216 |
C compute heff after ice melt by ocn: |
1217 |
tmpscal0=HEFF(I,J,bi,bj) - d_HEFFbyATMonOCN(I,J) |
1218 |
C compute available heat left after snow melt by atm: |
1219 |
tmpscal1= a_QbyATM_open(I,J)+a_QbyATM_cover(I,J) |
1220 |
& - d_HSNWbyATMonSNW(I,J)/ICE2SNOW |
1221 |
C (cannot melt more than all the ice) |
1222 |
tmpscal2 = MAX(-tmpscal0,tmpscal1) |
1223 |
tmpscal3 = MIN(ZERO,tmpscal2) |
1224 |
C gain of new ice over open water |
1225 |
tmpscal4=MAX(ZERO,a_QbyATM_open(I,J)) |
1226 |
C compute cover fraction tendency |
1227 |
d_AREAbyATM(I,J)=tmpscal4/HO_loc+HALF*tmpscal3 |
1228 |
& *AREApreTH(I,J) /(tmpscal0+.00001 _d 0) |
1229 |
|
1230 |
#else /* SEAICE_GROWTH_LEGACY */ |
1231 |
|
1232 |
# ifdef FENTY_AREA_EXPANSION_CONTRACTION |
1233 |
|
1234 |
C the various volume tendency terms |
1235 |
tmpscal1 = d_HEFFbyATMOnOCN_open(I,J) |
1236 |
tmpscal2 = d_HEFFbyATMOnOCN_cover(I,J) |
1237 |
tmpscal3 = d_HEFFbyOCNonICE(I,J) |
1238 |
|
1239 |
C Part 1: expansion/contraction of ice cover in open-water areas. |
1240 |
d_AREAbyATM(I,J) = 0. _d 0 |
1241 |
IF (tmpscal1 .GT. ZERO) then |
1242 |
C Ice cover is all created from open ocean-water air-sea heat fluxes |
1243 |
d_AREAbyATM(I,J)=tmpscal1/HO_loc |
1244 |
ELSEIF (AREApreTH(I,J) .GT. ZERO) THEN |
1245 |
C that can also act to remove ice cover. |
1246 |
d_AREAbyATM(i,J) = HALF*tmpscal1*recip_heffActual(I,J) |
1247 |
ENDIF |
1248 |
|
1249 |
C Part 2: contraction from ice thinning from above |
1250 |
d_AREAbyICE(I,J) = 0. _d 0 |
1251 |
if (tmpscal2 .LE. ZERO) d_AREAbyICE(I,J) = |
1252 |
& HALF * tmpscal2 * recip_heffActual(I,J) |
1253 |
|
1254 |
C Part 3: contraction from ice thinning from below |
1255 |
d_AREAbyOCN(I,J) = 0. _d 0 |
1256 |
if (tmpscal3 .LE.ZERO) d_AREAbyOCN(I,J) = |
1257 |
& HALF * tmpscal3* recip_heffActual(I,J) |
1258 |
|
1259 |
# else /* FENTY_AREA_EXPANSION_CONTRACTION */ |
1260 |
|
1261 |
# ifdef SEAICE_OCN_MELT_ACT_ON_AREA |
1262 |
C ice cover reduction by joint OCN+ATM melt |
1263 |
tmpscal3 = MIN( 0. _d 0 , |
1264 |
& d_HEFFbyATMonOCN(I,J)+d_HEFFbyOCNonICE(I,J) ) |
1265 |
# else |
1266 |
C ice cover reduction by ATM melt only -- as in legacy code |
1267 |
tmpscal3 = MIN( 0. _d 0 , d_HEFFbyATMonOCN(I,J) ) |
1268 |
# endif |
1269 |
C gain of new ice over open water |
1270 |
|
1271 |
# ifdef SEAICE_DO_OPEN_WATER_GROWTH |
1272 |
C the one effectively used to increment HEFF |
1273 |
tmpscal4 = MAX(ZERO,d_HEFFbyATMonOCN_open(I,J)) |
1274 |
# else |
1275 |
C the virtual one -- as in legcy code |
1276 |
tmpscal4 = MAX(ZERO,a_QbyATM_open(I,J)) |
1277 |
# endif |
1278 |
|
1279 |
C compute cover fraction tendency |
1280 |
d_AREAbyATM(I,J)=tmpscal4/HO_loc+ |
1281 |
& HALF*tmpscal3*recip_heffActual(I,J) |
1282 |
|
1283 |
# endif /* FENTY_AREA_EXPANSION_CONTRACTION */ |
1284 |
|
1285 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1286 |
|
1287 |
C apply tendency |
1288 |
IF ( (HEFF(i,j,bi,bj).GT.0. _d 0).OR. |
1289 |
& (HSNOW(i,j,bi,bj).GT.0. _d 0) ) THEN |
1290 |
AREA(I,J,bi,bj)=max(0. _d 0, |
1291 |
& min( SEAICE_area_max, AREA(I,J,bi,bj) |
1292 |
& +d_AREAbyATM(I,J) + d_AREAbyOCN(I,J) + d_AREAbyICE(I,J) )) |
1293 |
ELSE |
1294 |
AREA(I,J,bi,bj)=0. _d 0 |
1295 |
ENDIF |
1296 |
#ifdef ALLOW_SITRACER |
1297 |
SItrAREA(I,J,bi,bj,3)=AREA(I,J,bi,bj) |
1298 |
#endif |
1299 |
ENDDO |
1300 |
ENDDO |
1301 |
|
1302 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
1303 |
Cgf 'bulk' linearization of area=f(HEFF) |
1304 |
IF ( SEAICEadjMODE.GE.1 ) THEN |
1305 |
DO J=1,sNy |
1306 |
DO I=1,sNx |
1307 |
C AREA(I,J,bi,bj) = 0.1 _d 0 * HEFF(I,J,bi,bj) |
1308 |
AREA(I,J,bi,bj) = AREApreTH(I,J) + 0.1 _d 0 * |
1309 |
& ( HEFF(I,J,bi,bj) - HEFFpreTH(I,J) ) |
1310 |
ENDDO |
1311 |
ENDDO |
1312 |
ENDIF |
1313 |
#endif |
1314 |
|
1315 |
C =================================================================== |
1316 |
C =============PART 5: determine ice salinity increments============= |
1317 |
C =================================================================== |
1318 |
|
1319 |
#ifndef SEAICE_VARIABLE_SALINITY |
1320 |
# if (defined ALLOW_AUTODIFF_TAMC && defined ALLOW_SALT_PLUME) |
1321 |
CADJ STORE d_HEFFbyNEG = comlev1_bibj,key=iicekey,byte=isbyte |
1322 |
CADJ STORE d_HEFFbyOCNonICE = comlev1_bibj,key=iicekey,byte=isbyte |
1323 |
CADJ STORE d_HEFFbyATMonOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1324 |
CADJ STORE d_HEFFbyATMonOCN_open = comlev1_bibj,key=iicekey,byte=isbyte |
1325 |
CADJ STORE d_HEFFbyATMonOCN_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1326 |
CADJ STORE d_HEFFbyFLOODING = comlev1_bibj,key=iicekey,byte=isbyte |
1327 |
CADJ STORE salt(:,:,kSurface,bi,bj) = comlev1_bibj, |
1328 |
CADJ & key = iicekey, byte = isbyte |
1329 |
# endif /* ALLOW_AUTODIFF_TAMC and ALLOW_SALT_PLUME */ |
1330 |
DO J=1,sNy |
1331 |
DO I=1,sNx |
1332 |
Cgf note: flooding does count negatively |
1333 |
tmpscal1 = d_HEFFbyNEG(I,J) + d_HEFFbyOCNonICE(I,J) + |
1334 |
& d_HEFFbyATMonOCN(I,J) - d_HEFFbyFLOODING(I,J) |
1335 |
tmpscal2 = tmpscal1 * SIsal0 * HEFFM(I,J,bi,bj) |
1336 |
& /SEAICE_deltaTtherm * SEAICE_rhoIce |
1337 |
saltFlux(I,J,bi,bj) = tmpscal2 |
1338 |
#ifdef ALLOW_SALT_PLUME |
1339 |
tmpscal3 = tmpscal1*salt(I,j,kSurface,bi,bj)*HEFFM(I,J,bi,bj) |
1340 |
& /SEAICE_deltaTtherm * SEAICE_rhoIce |
1341 |
saltPlumeFlux(I,J,bi,bj) = MAX( tmpscal3-tmpscal2 , 0. _d 0) |
1342 |
& *SPsalFRAC |
1343 |
#endif /* ALLOW_SALT_PLUME */ |
1344 |
ENDDO |
1345 |
ENDDO |
1346 |
#endif |
1347 |
|
1348 |
#ifdef ALLOW_ATM_TEMP |
1349 |
#ifdef SEAICE_VARIABLE_SALINITY |
1350 |
|
1351 |
#ifdef SEAICE_GROWTH_LEGACY |
1352 |
# ifdef ALLOW_AUTODIFF_TAMC |
1353 |
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1354 |
# endif /* ALLOW_AUTODIFF_TAMC */ |
1355 |
DO J=1,sNy |
1356 |
DO I=1,sNx |
1357 |
C set HSALT = 0 if HSALT < 0 and compute salt to remove from ocean |
1358 |
IF ( HSALT(I,J,bi,bj) .LT. 0.0 ) THEN |
1359 |
saltFluxAdjust(I,J) = - HEFFM(I,J,bi,bj) * |
1360 |
& HSALT(I,J,bi,bj) / SEAICE_deltaTtherm |
1361 |
HSALT(I,J,bi,bj) = 0.0 _d 0 |
1362 |
ENDIF |
1363 |
ENDDO |
1364 |
ENDDO |
1365 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1366 |
|
1367 |
#ifdef ALLOW_AUTODIFF_TAMC |
1368 |
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1369 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1370 |
|
1371 |
DO J=1,sNy |
1372 |
DO I=1,sNx |
1373 |
C sum up the terms that affect the salt content of the ice pack |
1374 |
tmpscal1=d_HEFFbyOCNonICE(I,J)+d_HEFFbyATMonOCN(I,J) |
1375 |
|
1376 |
C recompute HEFF before thermodyncamic updates (which is not AREApreTH in legacy code) |
1377 |
tmpscal2=HEFF(I,J,bi,bj)-tmpscal1-d_HEFFbyFLOODING(I,J) |
1378 |
C tmpscal1 > 0 : m of sea ice that is created |
1379 |
IF ( tmpscal1 .GE. 0.0 ) THEN |
1380 |
saltFlux(I,J,bi,bj) = |
1381 |
& HEFFM(I,J,bi,bj)/SEAICE_deltaTtherm |
1382 |
& *SIsalFRAC*salt(I,j,kSurface,bi,bj) |
1383 |
& *tmpscal1*SEAICE_rhoIce |
1384 |
#ifdef ALLOW_SALT_PLUME |
1385 |
C saltPlumeFlux is defined only during freezing: |
1386 |
saltPlumeFlux(I,J,bi,bj)= |
1387 |
& HEFFM(I,J,bi,bj)/SEAICE_deltaTtherm |
1388 |
& *(1-SIsalFRAC)*salt(I,j,kSurface,bi,bj) |
1389 |
& *tmpscal1*SEAICE_rhoIce |
1390 |
& *SPsalFRAC |
1391 |
C if SaltPlumeSouthernOcean=.FALSE. turn off salt plume in Southern Ocean |
1392 |
IF ( .NOT. SaltPlumeSouthernOcean ) THEN |
1393 |
IF ( YC(I,J,bi,bj) .LT. 0.0 _d 0 ) |
1394 |
& saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
1395 |
ENDIF |
1396 |
#endif /* ALLOW_SALT_PLUME */ |
1397 |
|
1398 |
C tmpscal1 < 0 : m of sea ice that is melted |
1399 |
ELSE |
1400 |
saltFlux(I,J,bi,bj) = |
1401 |
& HEFFM(I,J,bi,bj)/SEAICE_deltaTtherm |
1402 |
& *HSALT(I,J,bi,bj) |
1403 |
& *tmpscal1/tmpscal2 |
1404 |
#ifdef ALLOW_SALT_PLUME |
1405 |
saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
1406 |
#endif /* ALLOW_SALT_PLUME */ |
1407 |
ENDIF |
1408 |
C update HSALT based on surface saltFlux |
1409 |
HSALT(I,J,bi,bj) = HSALT(I,J,bi,bj) + |
1410 |
& saltFlux(I,J,bi,bj) * SEAICE_deltaTtherm |
1411 |
saltFlux(I,J,bi,bj) = |
1412 |
& saltFlux(I,J,bi,bj) + saltFluxAdjust(I,J) |
1413 |
#ifdef SEAICE_GROWTH_LEGACY |
1414 |
C set HSALT = 0 if HEFF = 0 and compute salt to dump into ocean |
1415 |
IF ( HEFF(I,J,bi,bj) .EQ. 0.0 ) THEN |
1416 |
saltFlux(I,J,bi,bj) = saltFlux(I,J,bi,bj) - |
1417 |
& HEFFM(I,J,bi,bj) * HSALT(I,J,bi,bj) / |
1418 |
& SEAICE_deltaTtherm |
1419 |
HSALT(I,J,bi,bj) = 0.0 _d 0 |
1420 |
#ifdef ALLOW_SALT_PLUME |
1421 |
saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
1422 |
#endif /* ALLOW_SALT_PLUME */ |
1423 |
ENDIF |
1424 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1425 |
ENDDO |
1426 |
ENDDO |
1427 |
#endif /* SEAICE_VARIABLE_SALINITY */ |
1428 |
#endif /* ALLOW_ATM_TEMP */ |
1429 |
|
1430 |
|
1431 |
C ======================================================================= |
1432 |
C =====LEGACY PART 5.5: treat pathological cases, then do flooding ====== |
1433 |
C ======================================================================= |
1434 |
|
1435 |
#ifdef SEAICE_GROWTH_LEGACY |
1436 |
|
1437 |
C treat values of ice cover fraction oustide |
1438 |
C the [0 1] range, and other such issues. |
1439 |
C =========================================== |
1440 |
|
1441 |
Cgf note: this part cannot be heat and water conserving |
1442 |
|
1443 |
#ifdef ALLOW_AUTODIFF_TAMC |
1444 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
1445 |
CADJ & key = iicekey, byte = isbyte |
1446 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, |
1447 |
CADJ & key = iicekey, byte = isbyte |
1448 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1449 |
DO J=1,sNy |
1450 |
DO I=1,sNx |
1451 |
C NOW SET AREA(I,J,bi,bj)=0 WHERE NO ICE IS |
1452 |
AREA(I,J,bi,bj)=MIN(AREA(I,J,bi,bj) |
1453 |
& ,HEFF(I,J,bi,bj)/.0001 _d 0) |
1454 |
ENDDO |
1455 |
ENDDO |
1456 |
|
1457 |
#ifdef ALLOW_AUTODIFF_TAMC |
1458 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
1459 |
CADJ & key = iicekey, byte = isbyte |
1460 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1461 |
DO J=1,sNy |
1462 |
DO I=1,sNx |
1463 |
C NOW TRUNCATE AREA |
1464 |
AREA(I,J,bi,bj)=MIN(ONE,AREA(I,J,bi,bj)) |
1465 |
ENDDO |
1466 |
ENDDO |
1467 |
|
1468 |
#ifdef ALLOW_AUTODIFF_TAMC |
1469 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
1470 |
CADJ & key = iicekey, byte = isbyte |
1471 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, |
1472 |
CADJ & key = iicekey, byte = isbyte |
1473 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1474 |
DO J=1,sNy |
1475 |
DO I=1,sNx |
1476 |
AREA(I,J,bi,bj) = MAX(ZERO,AREA(I,J,bi,bj)) |
1477 |
HSNOW(I,J,bi,bj) = MAX(ZERO,HSNOW(I,J,bi,bj)) |
1478 |
AREA(I,J,bi,bj) = AREA(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
1479 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
1480 |
#ifdef SEAICE_CAP_HEFF |
1481 |
C This is not energy conserving, but at least it conserves fresh water |
1482 |
tmpscal0 = -MAX(HEFF(I,J,bi,bj)-MAX_HEFF,0. _d 0) |
1483 |
d_HEFFbyNeg(I,J) = d_HEFFbyNeg(I,J) + tmpscal0 |
1484 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal0 |
1485 |
#endif /* SEAICE_CAP_HEFF */ |
1486 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
1487 |
ENDDO |
1488 |
ENDDO |
1489 |
|
1490 |
C convert snow to ice if submerged. |
1491 |
C ================================= |
1492 |
|
1493 |
#ifdef ALLOW_SEAICE_FLOODING |
1494 |
IF ( SEAICEuseFlooding ) THEN |
1495 |
DO J=1,sNy |
1496 |
DO I=1,sNx |
1497 |
hDraft = (HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1498 |
& +HEFF(I,J,bi,bj)*SEAICE_rhoIce)/rhoConst |
1499 |
tmpscal1 = MAX( 0. _d 0, hDraft - HEFF(I,J,bi,bj)) |
1500 |
d_HEFFbyFLOODING(I,J)=tmpscal1 |
1501 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)+d_HEFFbyFLOODING(I,J) |
1502 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)- |
1503 |
& d_HEFFbyFLOODING(I,J)*ICE2SNOW |
1504 |
ENDDO |
1505 |
ENDDO |
1506 |
ENDIF |
1507 |
#endif /* ALLOW_SEAICE_FLOODING */ |
1508 |
|
1509 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1510 |
|
1511 |
#ifdef ALLOW_SITRACER |
1512 |
DO J=1,sNy |
1513 |
DO I=1,sNx |
1514 |
c needs to be here to allow use also with LEGACY branch |
1515 |
SItrHEFF(I,J,bi,bj,5)=HEFF(I,J,bi,bj) |
1516 |
ENDDO |
1517 |
ENDDO |
1518 |
#endif |
1519 |
|
1520 |
C =================================================================== |
1521 |
C ===============PART 6: determine ice age increments================ |
1522 |
C =================================================================== |
1523 |
|
1524 |
#ifdef SEAICE_AGE |
1525 |
C Sources and sinks for sea ice age: |
1526 |
C assume that a) freezing: new ice fraction forms with zero age |
1527 |
C b) melting: ice fraction vanishes with current age |
1528 |
DO J=1,sNy |
1529 |
DO I=1,sNx |
1530 |
C-- increase age as time passes |
1531 |
IceAgeTr(i,j,bi,bj,1)=IceAgeTr(i,j,bi,bj,1) |
1532 |
& +SEAICE_deltaTtherm*AREApreTH(i,j) |
1533 |
IceAgeTr(i,j,bi,bj,2)=IceAgeTr(i,j,bi,bj,2) |
1534 |
& +SEAICE_deltaTtherm*HEFFpreTH(i,j) |
1535 |
C-- account for ice melt |
1536 |
IF (AREApreTH(i,j).GT.AREA(i,j,bi,bj)) THEN |
1537 |
IceAgeTr(i,j,bi,bj,1)=IceAgeTr(i,j,bi,bj,1) |
1538 |
& *AREA(i,j,bi,bj)/AREApreTH(i,j) |
1539 |
ENDIF |
1540 |
IF (HEFFpreTH(i,j).GT.HEFF(i,j,bi,bj)) THEN |
1541 |
IceAgeTr(i,j,bi,bj,2)=IceAgeTr(i,j,bi,bj,2) |
1542 |
& *HEFF(i,j,bi,bj)/HEFFpreTH(i,j) |
1543 |
ENDIF |
1544 |
ENDDO |
1545 |
ENDDO |
1546 |
#endif /* SEAICE_AGE */ |
1547 |
|
1548 |
|
1549 |
C =================================================================== |
1550 |
C ==============PART 7: determine ocean model forcing================ |
1551 |
C =================================================================== |
1552 |
|
1553 |
C compute net heat flux leaving/entering the ocean, |
1554 |
C accounting for the part used in melt/freeze processes |
1555 |
C ===================================================== |
1556 |
|
1557 |
DO J=1,sNy |
1558 |
DO I=1,sNx |
1559 |
QNET(I,J,bi,bj) = r_QbyATM_cover(I,J) + r_QbyATM_open(I,J) |
1560 |
#ifndef SEAICE_GROWTH_LEGACY |
1561 |
C in principle a_QSWbyATM_cover should always be included here, however |
1562 |
C for backward compatibility it is left out of the LEGACY branch |
1563 |
& + a_QSWbyATM_cover(I,J) |
1564 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1565 |
& - ( d_HEFFbyOCNonICE(I,J) + |
1566 |
& d_HSNWbyOCNonSNW(I,J)/ICE2SNOW + |
1567 |
& d_HEFFbyNEG(I,J) + |
1568 |
& d_HSNWbyNEG(I,J)/ICE2SNOW ) |
1569 |
& * maskC(I,J,kSurface,bi,bj) |
1570 |
QSW(I,J,bi,bj) = a_QSWbyATM_cover(I,J) + a_QSWbyATM_open(I,J) |
1571 |
ENDDO |
1572 |
ENDDO |
1573 |
|
1574 |
C switch heat fluxes from 'effective' ice meters to W/m2 |
1575 |
C ====================================================== |
1576 |
|
1577 |
DO J=1,sNy |
1578 |
DO I=1,sNx |
1579 |
QNET(I,J,bi,bj) = QNET(I,J,bi,bj)*convertHI2Q |
1580 |
QSW(I,J,bi,bj) = QSW(I,J,bi,bj)*convertHI2Q |
1581 |
ENDDO |
1582 |
ENDDO |
1583 |
|
1584 |
C compute net fresh water flux leaving/entering |
1585 |
C the ocean, accounting for fresh/salt water stocks. |
1586 |
C ================================================== |
1587 |
|
1588 |
#ifdef ALLOW_ATM_TEMP |
1589 |
DO J=1,sNy |
1590 |
DO I=1,sNx |
1591 |
tmpscal1= d_HSNWbyATMonSNW(I,J)/ICE2SNOW |
1592 |
& +d_HFRWbyRAIN(I,J) |
1593 |
& +d_HSNWbyOCNonSNW(I,J)/ICE2SNOW |
1594 |
& +d_HEFFbyOCNonICE(I,J) |
1595 |
& +d_HEFFbyATMonOCN(I,J) |
1596 |
& +d_HEFFbyNEG(I,J) |
1597 |
& +d_HSNWbyNEG(I,J)/ICE2SNOW |
1598 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
1599 |
C If r_FWbySublim>0, then it is evaporated from ocean. |
1600 |
& +r_FWbySublim(I,J) |
1601 |
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
1602 |
EmPmR(I,J,bi,bj) = maskC(I,J,kSurface,bi,bj)*( |
1603 |
& ( EVAP(I,J,bi,bj)-PRECIP(I,J,bi,bj) ) |
1604 |
& * ( ONE - AREApreTH(I,J) ) |
1605 |
#ifdef ALLOW_RUNOFF |
1606 |
& - RUNOFF(I,J,bi,bj) |
1607 |
#endif /* ALLOW_RUNOFF */ |
1608 |
& + tmpscal1*convertHI2PRECIP |
1609 |
& )*rhoConstFresh |
1610 |
ENDDO |
1611 |
ENDDO |
1612 |
|
1613 |
#ifdef ALLOW_MEAN_SFLUX_COST_CONTRIBUTION |
1614 |
DO J=1,sNy |
1615 |
DO I=1,sNx |
1616 |
frWtrAtm(I,J,bi,bj) = maskC(I,J,kSurface,bi,bj)*( |
1617 |
& PRECIP(I,J,bi,bj) |
1618 |
& - EVAP(I,J,bi,bj) |
1619 |
& *( ONE - AREApreTH(I,J) ) |
1620 |
& + RUNOFF(I,J,bi,bj) |
1621 |
& )*rhoConstFresh |
1622 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
1623 |
& - a_FWbySublim(I,J) * SEAICE_rhoIce / SEAICE_deltaTtherm |
1624 |
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
1625 |
ENDDO |
1626 |
ENDDO |
1627 |
#endif |
1628 |
#endif /* ALLOW_ATM_TEMP */ |
1629 |
|
1630 |
#ifdef SEAICE_DEBUG |
1631 |
CALL PLOT_FIELD_XYRL( QSW,'Current QSW ', myIter, myThid ) |
1632 |
CALL PLOT_FIELD_XYRL( QNET,'Current QNET ', myIter, myThid ) |
1633 |
CALL PLOT_FIELD_XYRL( EmPmR,'Current EmPmR ', myIter, myThid ) |
1634 |
#endif /* SEAICE_DEBUG */ |
1635 |
|
1636 |
C Sea Ice Load on the sea surface. |
1637 |
C ================================= |
1638 |
|
1639 |
#ifdef ALLOW_AUTODIFF_TAMC |
1640 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1641 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1642 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1643 |
|
1644 |
IF ( useRealFreshWaterFlux ) THEN |
1645 |
DO J=1,sNy |
1646 |
DO I=1,sNx |
1647 |
#ifdef SEAICE_CAP_ICELOAD |
1648 |
tmpscal1 = HEFF(I,J,bi,bj)*SEAICE_rhoIce |
1649 |
& + HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1650 |
tmpscal2 = min(tmpscal1,heffTooHeavy*rhoConst) |
1651 |
#else |
1652 |
tmpscal2 = HEFF(I,J,bi,bj)*SEAICE_rhoIce |
1653 |
& + HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1654 |
#endif |
1655 |
sIceLoad(i,j,bi,bj) = tmpscal2 |
1656 |
ENDDO |
1657 |
ENDDO |
1658 |
ENDIF |
1659 |
|
1660 |
C =================================================================== |
1661 |
C ======================PART 8: diagnostics========================== |
1662 |
C =================================================================== |
1663 |
|
1664 |
#ifdef ALLOW_DIAGNOSTICS |
1665 |
IF ( useDiagnostics ) THEN |
1666 |
tmpscal1=1. _d 0 / SEAICE_deltaTtherm |
1667 |
CALL DIAGNOSTICS_SCALE_FILL(a_QbyATM_cover, |
1668 |
& tmpscal1,1,'SIaQbATC',0,1,3,bi,bj,myThid) |
1669 |
CALL DIAGNOSTICS_SCALE_FILL(a_QbyATM_open, |
1670 |
& tmpscal1,1,'SIaQbATO',0,1,3,bi,bj,myThid) |
1671 |
CALL DIAGNOSTICS_SCALE_FILL(a_QbyOCN, |
1672 |
& tmpscal1,1,'SIaQbOCN',0,1,3,bi,bj,myThid) |
1673 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyOCNonICE, |
1674 |
& tmpscal1,1,'SIdHbOCN',0,1,3,bi,bj,myThid) |
1675 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyATMonOCN_cover, |
1676 |
& tmpscal1,1,'SIdHbATC',0,1,3,bi,bj,myThid) |
1677 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyATMonOCN_open, |
1678 |
& tmpscal1,1,'SIdHbATO',0,1,3,bi,bj,myThid) |
1679 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyFLOODING, |
1680 |
& tmpscal1,1,'SIdHbFLO',0,1,3,bi,bj,myThid) |
1681 |
CALL DIAGNOSTICS_SCALE_FILL(d_HSNWbyOCNonSNW, |
1682 |
& tmpscal1,1,'SIdSbOCN',0,1,3,bi,bj,myThid) |
1683 |
CALL DIAGNOSTICS_SCALE_FILL(d_HSNWbyATMonSNW, |
1684 |
& tmpscal1,1,'SIdSbATC',0,1,3,bi,bj,myThid) |
1685 |
CALL DIAGNOSTICS_SCALE_FILL(d_AREAbyATM, |
1686 |
& tmpscal1,1,'SIdAbATO',0,1,3,bi,bj,myThid) |
1687 |
CALL DIAGNOSTICS_SCALE_FILL(d_AREAbyICE, |
1688 |
& tmpscal1,1,'SIdAbATC',0,1,3,bi,bj,myThid) |
1689 |
CALL DIAGNOSTICS_SCALE_FILL(d_AREAbyOCN, |
1690 |
& tmpscal1,1,'SIdAbOCN',0,1,3,bi,bj,myThid) |
1691 |
CALL DIAGNOSTICS_SCALE_FILL(r_QbyATM_open, |
1692 |
& convertHI2Q,1, 'SIqneto ',0,1,3,bi,bj,myThid) |
1693 |
CALL DIAGNOSTICS_SCALE_FILL(r_QbyATM_cover, |
1694 |
& convertHI2Q,1, 'SIqneti ',0,1,3,bi,bj,myThid) |
1695 |
C three that actually need intermediate storage |
1696 |
DO J=1,sNy |
1697 |
DO I=1,sNx |
1698 |
DIAGarrayA(I,J) = maskC(I,J,kSurface,bi,bj) |
1699 |
& * d_HSNWbyRAIN(I,J)*SEAICE_rhoSnow/SEAICE_deltaTtherm |
1700 |
DIAGarrayB(I,J) = AREA(I,J,bi,bj)-AREApreTH(I,J) |
1701 |
ENDDO |
1702 |
ENDDO |
1703 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
1704 |
& 'SIsnPrcp',0,1,3,bi,bj,myThid) |
1705 |
CALL DIAGNOSTICS_SCALE_FILL(DIAGarrayB, |
1706 |
& tmpscal1,1,'SIdA ',0,1,3,bi,bj,myThid) |
1707 |
C |
1708 |
DO J=1,sNy |
1709 |
DO I=1,sNx |
1710 |
CML If I consider the atmosphere above the ice, the surface flux |
1711 |
CML which is relevant for the air temperature dT/dt Eq |
1712 |
CML accounts for sensible and radiation (with different treatment |
1713 |
CML according to wave-length) fluxes but not for "latent heat flux", |
1714 |
CML since it does not contribute to heating the air. |
1715 |
CML So this diagnostic is only good for heat budget calculations within |
1716 |
CML the ice-ocean system. |
1717 |
DIAGarrayA(I,J) = maskC(I,J,kSurface,bi,bj)*convertHI2Q*( |
1718 |
#ifndef SEAICE_GROWTH_LEGACY |
1719 |
& a_QSWbyATM_cover(I,J) + |
1720 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1721 |
& a_QbyATM_cover(I,J) + a_QbyATM_open(I,J) ) |
1722 |
C |
1723 |
DIAGarrayB(I,J) = maskC(I,J,kSurface,bi,bj) * |
1724 |
& a_FWbySublim(I,J) * SEAICE_rhoIce / SEAICE_deltaTtherm |
1725 |
C |
1726 |
DIAGarrayC(I,J) = maskC(I,J,kSurface,bi,bj)*( |
1727 |
& PRECIP(I,J,bi,bj) |
1728 |
& - EVAP(I,J,bi,bj)*( ONE - AREApreTH(I,J) ) |
1729 |
#ifdef ALLOW_RUNOFF |
1730 |
& + RUNOFF(I,J,bi,bj) |
1731 |
#endif /* ALLOW_RUNOFF */ |
1732 |
& )*rhoConstFresh |
1733 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
1734 |
& - a_FWbySublim(I,J) * SEAICE_rhoIce / SEAICE_deltaTtherm |
1735 |
#endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
1736 |
ENDDO |
1737 |
ENDDO |
1738 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
1739 |
& 'SIatmQnt',0,1,3,bi,bj,myThid) |
1740 |
CALL DIAGNOSTICS_FILL(DIAGarrayB, |
1741 |
& 'SIfwSubl',0,1,3,bi,bj,myThid) |
1742 |
CALL DIAGNOSTICS_FILL(DIAGarrayC, |
1743 |
& 'SIatmFW ',0,1,3,bi,bj,myThid) |
1744 |
C |
1745 |
DO J=1,sNy |
1746 |
DO I=1,sNx |
1747 |
C the actual Freshwater flux of sublimated ice, >0 decreases ice |
1748 |
DIAGarrayA(I,J) = maskC(I,J,kSurface,bi,bj) |
1749 |
& * (a_FWbySublim(I,J)-r_FWbySublim(I,J)) |
1750 |
& * SEAICE_rhoIce / SEAICE_deltaTtherm |
1751 |
c the residual Freshwater flux of sublimated ice |
1752 |
DIAGarrayC(I,J) = maskC(I,J,kSurface,bi,bj) |
1753 |
& * r_FWbySublim(I,J) |
1754 |
& * SEAICE_rhoIce / SEAICE_deltaTtherm |
1755 |
C the latent heat flux |
1756 |
#ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
1757 |
tmpscal1= EVAP(I,J,bi,bj)*( ONE - AREApreTH(I,J) ) |
1758 |
& + r_FWbySublim(I,J)*convertHI2PRECIP |
1759 |
tmpscal2= ( a_FWbySublim(I,J)-r_FWbySublim(I,J) ) |
1760 |
& * convertHI2PRECIP |
1761 |
#else |
1762 |
tmpscal1= EVAP(I,J,bi,bj)*( ONE - AREApreTH(I,J) ) |
1763 |
tmpscal2= 0. _d 0 |
1764 |
#endif |
1765 |
tmpscal3= SEAICE_lhEvap+SEAICE_lhFusion |
1766 |
DIAGarrayB(I,J) = -maskC(I,J,kSurface,bi,bj)*rhoConstFresh |
1767 |
& * ( tmpscal1*SEAICE_lhEvap + tmpscal2*tmpscal3 ) |
1768 |
ENDDO |
1769 |
ENDDO |
1770 |
CALL DIAGNOSTICS_FILL(DIAGarrayA,'SIacSubl',0,1,3,bi,bj,myThid) |
1771 |
CALL DIAGNOSTICS_FILL(DIAGarrayC,'SIrsSubl',0,1,3,bi,bj,myThid) |
1772 |
CALL DIAGNOSTICS_FILL(DIAGarrayB,'SIhl ',0,1,3,bi,bj,myThid) |
1773 |
ENDIF |
1774 |
#endif /* ALLOW_DIAGNOSTICS */ |
1775 |
|
1776 |
C close bi,bj loops |
1777 |
ENDDO |
1778 |
ENDDO |
1779 |
|
1780 |
RETURN |
1781 |
END |