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C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_growth.F,v 1.161 2012/03/14 22:55:53 heimbach Exp $ |
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C $Name: $ |
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|
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#include "SEAICE_OPTIONS.h" |
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#ifdef ALLOW_EXF |
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# include "EXF_OPTIONS.h" |
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#endif |
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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_PARAM.h" |
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# include "EXF_FIELDS.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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CEOP |
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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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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 tempFrz, ICE2SNOW, SNOW2ICE |
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_RL QI, QS, recip_QI |
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|
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C-- TmixLoc :: ocean surface/mixed-layer temperature (in K) |
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_RL TmixLoc (1:sNx,1:sNy) |
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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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#ifdef ALLOW_DIAGNOSTICS |
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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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#endif |
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|
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#ifdef SEAICE_ALLOW_AREA_RELAXATION |
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C ICE/SNOW stocks tendency associated with relaxation towards observation |
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_RL d_AREAbyRLX (1:sNx,1:sNy) |
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c The change of mean ice thickness due to relaxation |
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_RL d_HEFFbyRLX (1:sNx,1:sNy) |
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#endif |
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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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_RL d_HEFFbySublim (1:sNx,1:sNy) |
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_RL d_HSNWbySublim (1:sNx,1:sNy) |
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|
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#ifdef SEAICE_CAP_SUBLIM |
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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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_RL latentHeatFluxMaxMult (1:sNx,1:sNy,MULTDIM) |
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#endif |
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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 (=1/HO or 1/HO_south) |
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_RL recip_HO |
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C local value (=1/ice thickness) |
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_RL recip_HH |
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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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_RL tmpscal0, tmpscal1, tmpscal2, tmpscal3, tmpscal4 |
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_RL tmparr1 (1:sNx,1:sNy) |
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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 ilockey |
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INTEGER it |
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_RL pFac |
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_RL ticeInMult (1:sNx,1:sNy,MULTDIM) |
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_RL ticeOutMult (1:sNx,1:sNy,MULTDIM) |
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_RL heffActualMult (1:sNx,1:sNy,MULTDIM) |
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_RL a_QbyATMmult_cover (1:sNx,1:sNy,MULTDIM) |
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_RL a_QSWbyATMmult_cover(1:sNx,1:sNy,MULTDIM) |
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_RL a_FWbySublimMult (1:sNx,1:sNy,MULTDIM) |
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C Helper variables: reciprocal of some constants |
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_RL recip_multDim |
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_RL recip_deltaTtherm |
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_RL recip_rhoIce |
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|
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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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#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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|
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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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C avoid unnecessary divisions in loops |
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recip_multDim = SEAICE_multDim |
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recip_multDim = ONE / recip_multDim |
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C above/below: double/single precision calculation of recip_multDim |
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c recip_multDim = 1./float(SEAICE_multDim) |
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recip_deltaTtherm = ONE / SEAICE_deltaTtherm |
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recip_rhoIce = ONE / SEAICE_rhoIce |
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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 RATIO OF SEA ICE DENSITY to SNOW DENSITY |
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ICE2SNOW = SEAICE_rhoIce/SEAICE_rhoSnow |
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SNOW2ICE = ONE / ICE2SNOW |
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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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recip_QI = ONE / QI |
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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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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 = ONE/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 = ONE/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) |
298 |
|
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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 |
308 |
& + 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 ===================== |
315 |
|
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DO J=1,sNy |
317 |
DO I=1,sNx |
318 |
a_QbyATM_cover (I,J) = 0.0 _d 0 |
319 |
a_QbyATM_open(I,J) = 0.0 _d 0 |
320 |
r_QbyATM_cover (I,J) = 0.0 _d 0 |
321 |
r_QbyATM_open (I,J) = 0.0 _d 0 |
322 |
|
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a_QSWbyATM_open (I,J) = 0.0 _d 0 |
324 |
a_QSWbyATM_cover (I,J) = 0.0 _d 0 |
325 |
|
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a_QbyOCN (I,J) = 0.0 _d 0 |
327 |
r_QbyOCN (I,J) = 0.0 _d 0 |
328 |
|
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#ifdef ALLOW_DIAGNOSTICS |
330 |
d_AREAbyATM(I,J) = 0.0 _d 0 |
331 |
d_AREAbyICE(I,J) = 0.0 _d 0 |
332 |
d_AREAbyOCN(I,J) = 0.0 _d 0 |
333 |
#endif |
334 |
|
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#ifdef SEAICE_ALLOW_AREA_RELAXATION |
336 |
d_AREAbyRLX(I,J) = 0.0 _d 0 |
337 |
d_HEFFbyRLX(I,J) = 0.0 _d 0 |
338 |
#endif |
339 |
|
340 |
d_HEFFbyNEG(I,J) = 0.0 _d 0 |
341 |
d_HEFFbyOCNonICE(I,J) = 0.0 _d 0 |
342 |
d_HEFFbyATMonOCN(I,J) = 0.0 _d 0 |
343 |
d_HEFFbyFLOODING(I,J) = 0.0 _d 0 |
344 |
|
345 |
d_HEFFbyATMonOCN_open(I,J) = 0.0 _d 0 |
346 |
d_HEFFbyATMonOCN_cover(I,J) = 0.0 _d 0 |
347 |
|
348 |
d_HSNWbyNEG(I,J) = 0.0 _d 0 |
349 |
d_HSNWbyATMonSNW(I,J) = 0.0 _d 0 |
350 |
d_HSNWbyOCNonSNW(I,J) = 0.0 _d 0 |
351 |
d_HSNWbyRAIN(I,J) = 0.0 _d 0 |
352 |
a_FWbySublim(I,J) = 0.0 _d 0 |
353 |
r_FWbySublim(I,J) = 0.0 _d 0 |
354 |
d_HEFFbySublim(I,J) = 0.0 _d 0 |
355 |
d_HSNWbySublim(I,J) = 0.0 _d 0 |
356 |
#ifdef SEAICE_CAP_SUBLIM |
357 |
latentHeatFluxMax(I,J) = 0.0 _d 0 |
358 |
#endif |
359 |
c |
360 |
d_HFRWbyRAIN(I,J) = 0.0 _d 0 |
361 |
|
362 |
tmparr1(I,J) = 0.0 _d 0 |
363 |
|
364 |
#ifdef SEAICE_VARIABLE_SALINITY |
365 |
saltFluxAdjust(I,J) = 0.0 _d 0 |
366 |
#endif |
367 |
DO IT=1,SEAICE_multDim |
368 |
ticeInMult(I,J,IT) = 0.0 _d 0 |
369 |
ticeOutMult(I,J,IT) = 0.0 _d 0 |
370 |
a_QbyATMmult_cover(I,J,IT) = 0.0 _d 0 |
371 |
a_QSWbyATMmult_cover(I,J,IT) = 0.0 _d 0 |
372 |
a_FWbySublimMult(I,J,IT) = 0.0 _d 0 |
373 |
#ifdef SEAICE_CAP_SUBLIM |
374 |
latentHeatFluxMaxMult(I,J,IT) = 0.0 _d 0 |
375 |
#endif |
376 |
ENDDO |
377 |
ENDDO |
378 |
ENDDO |
379 |
#if (defined (ALLOW_MEAN_SFLUX_COST_CONTRIBUTION) || defined (ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION)) |
380 |
DO J=1-oLy,sNy+oLy |
381 |
DO I=1-oLx,sNx+oLx |
382 |
frWtrAtm(I,J,bi,bj) = 0.0 _d 0 |
383 |
ENDDO |
384 |
ENDDO |
385 |
#endif |
386 |
|
387 |
|
388 |
C ===================================================================== |
389 |
C ===========PART 1: treat pathological cases (post advdiff)=========== |
390 |
C ===================================================================== |
391 |
|
392 |
#ifdef SEAICE_GROWTH_LEGACY |
393 |
|
394 |
DO J=1,sNy |
395 |
DO I=1,sNx |
396 |
HEFFpreTH(I,J)=HEFFNM1(I,J,bi,bj) |
397 |
HSNWpreTH(I,J)=HSNOW(I,J,bi,bj) |
398 |
AREApreTH(I,J)=AREANM1(I,J,bi,bj) |
399 |
d_HEFFbyNEG(I,J)=0. _d 0 |
400 |
d_HSNWbyNEG(I,J)=0. _d 0 |
401 |
#ifdef ALLOW_DIAGNOSTICS |
402 |
DIAGarrayA(I,J) = AREANM1(I,J,bi,bj) |
403 |
DIAGarrayB(I,J) = AREANM1(I,J,bi,bj) |
404 |
DIAGarrayC(I,J) = HEFFNM1(I,J,bi,bj) |
405 |
DIAGarrayD(I,J) = HSNOW(I,J,bi,bj) |
406 |
#endif |
407 |
ENDDO |
408 |
ENDDO |
409 |
|
410 |
#else /* SEAICE_GROWTH_LEGACY */ |
411 |
|
412 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
413 |
Cgf no dependency through pathological cases treatment |
414 |
IF ( SEAICEadjMODE.EQ.0 ) THEN |
415 |
#endif |
416 |
|
417 |
#ifdef SEAICE_ALLOW_AREA_RELAXATION |
418 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
419 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
420 |
C 0) relax sea ice concentration towards observation |
421 |
IF (SEAICE_tauAreaObsRelax .GT. 0.) THEN |
422 |
DO J=1,sNy |
423 |
DO I=1,sNx |
424 |
C d_AREAbyRLX(i,j) = 0. _d 0 |
425 |
C d_HEFFbyRLX(i,j) = 0. _d 0 |
426 |
IF ( obsSIce(I,J,bi,bj).GT.AREA(I,J,bi,bj)) THEN |
427 |
d_AREAbyRLX(i,j) = |
428 |
& SEAICE_deltaTtherm/SEAICE_tauAreaObsRelax |
429 |
& * (obsSIce(I,J,bi,bj) - AREA(I,J,bi,bj)) |
430 |
ENDIF |
431 |
IF ( obsSIce(I,J,bi,bj).GT.0. _d 0 .AND. |
432 |
& AREA(I,J,bi,bj).EQ.0. _d 0) THEN |
433 |
C d_HEFFbyRLX(i,j) = 1. _d 1 * siEps * d_AREAbyRLX(i,j) |
434 |
d_HEFFbyRLX(i,j) = 1. _d 1 * siEps |
435 |
ENDIF |
436 |
AREA(I,J,bi,bj) = AREA(I,J,bi,bj) + d_AREAbyRLX(i,j) |
437 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + d_HEFFbyRLX(i,j) |
438 |
ENDDO |
439 |
ENDDO |
440 |
ENDIF |
441 |
#endif /* SEAICE_ALLOW_AREA_RELAXATION */ |
442 |
|
443 |
C 1) treat the case of negative values: |
444 |
|
445 |
#ifdef ALLOW_AUTODIFF_TAMC |
446 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
447 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
448 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
449 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
450 |
DO J=1,sNy |
451 |
DO I=1,sNx |
452 |
d_HEFFbyNEG(I,J)=MAX(-HEFF(I,J,bi,bj),0. _d 0) |
453 |
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj)+d_HEFFbyNEG(I,J) |
454 |
d_HSNWbyNEG(I,J)=MAX(-HSNOW(I,J,bi,bj),0. _d 0) |
455 |
HSNOW(I,J,bi,bj)=HSNOW(I,J,bi,bj)+d_HSNWbyNEG(I,J) |
456 |
AREA(I,J,bi,bj)=MAX(AREA(I,J,bi,bj),0. _d 0) |
457 |
ENDDO |
458 |
ENDDO |
459 |
|
460 |
C 1.25) treat the case of very thin ice: |
461 |
|
462 |
#ifdef ALLOW_AUTODIFF_TAMC |
463 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
464 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
465 |
DO J=1,sNy |
466 |
DO I=1,sNx |
467 |
tmpscal2=0. _d 0 |
468 |
tmpscal3=0. _d 0 |
469 |
IF (HEFF(I,J,bi,bj).LE.siEps) THEN |
470 |
tmpscal2=-HEFF(I,J,bi,bj) |
471 |
tmpscal3=-HSNOW(I,J,bi,bj) |
472 |
TICE(I,J,bi,bj)=celsius2K |
473 |
DO IT=1,SEAICE_multDim |
474 |
TICES(I,J,IT,bi,bj)=celsius2K |
475 |
ENDDO |
476 |
ENDIF |
477 |
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj)+tmpscal2 |
478 |
d_HEFFbyNEG(I,J)=d_HEFFbyNEG(I,J)+tmpscal2 |
479 |
HSNOW(I,J,bi,bj)=HSNOW(I,J,bi,bj)+tmpscal3 |
480 |
d_HSNWbyNEG(I,J)=d_HSNWbyNEG(I,J)+tmpscal3 |
481 |
ENDDO |
482 |
ENDDO |
483 |
|
484 |
C 1.5) treat the case of area but no ice/snow: |
485 |
|
486 |
#ifdef ALLOW_AUTODIFF_TAMC |
487 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
488 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
489 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
490 |
DO J=1,sNy |
491 |
DO I=1,sNx |
492 |
IF ((HEFF(i,j,bi,bj).EQ.0. _d 0).AND. |
493 |
& (HSNOW(i,j,bi,bj).EQ.0. _d 0)) AREA(I,J,bi,bj)=0. _d 0 |
494 |
ENDDO |
495 |
ENDDO |
496 |
|
497 |
C 2) treat the case of very small area: |
498 |
|
499 |
#ifndef DISABLE_AREA_FLOOR |
500 |
#ifdef ALLOW_AUTODIFF_TAMC |
501 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
502 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
503 |
DO J=1,sNy |
504 |
DO I=1,sNx |
505 |
IF ((HEFF(i,j,bi,bj).GT.0).OR.(HSNOW(i,j,bi,bj).GT.0)) THEN |
506 |
AREA(I,J,bi,bj)=MAX(AREA(I,J,bi,bj),SEAICE_area_floor) |
507 |
ENDIF |
508 |
ENDDO |
509 |
ENDDO |
510 |
#endif /* DISABLE_AREA_FLOOR */ |
511 |
|
512 |
C 2.5) treat case of excessive ice cover, e.g., due to ridging: |
513 |
|
514 |
#ifdef ALLOW_AUTODIFF_TAMC |
515 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
516 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
517 |
DO J=1,sNy |
518 |
DO I=1,sNx |
519 |
#ifdef ALLOW_DIAGNOSTICS |
520 |
DIAGarrayA(I,J) = AREA(I,J,bi,bj) |
521 |
#endif |
522 |
#ifdef ALLOW_SITRACER |
523 |
SItrAREA(I,J,bi,bj,1)=AREA(I,J,bi,bj) |
524 |
#endif |
525 |
AREA(I,J,bi,bj)=MIN(AREA(I,J,bi,bj),SEAICE_area_max) |
526 |
ENDDO |
527 |
ENDDO |
528 |
|
529 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
530 |
ENDIF |
531 |
#endif |
532 |
|
533 |
C 3) store regularized values of heff, hsnow, area at the onset of thermo. |
534 |
DO J=1,sNy |
535 |
DO I=1,sNx |
536 |
HEFFpreTH(I,J)=HEFF(I,J,bi,bj) |
537 |
HSNWpreTH(I,J)=HSNOW(I,J,bi,bj) |
538 |
AREApreTH(I,J)=AREA(I,J,bi,bj) |
539 |
#ifdef ALLOW_DIAGNOSTICS |
540 |
DIAGarrayB(I,J) = AREA(I,J,bi,bj) |
541 |
DIAGarrayC(I,J) = HEFF(I,J,bi,bj) |
542 |
DIAGarrayD(I,J) = HSNOW(I,J,bi,bj) |
543 |
#endif |
544 |
#ifdef ALLOW_SITRACER |
545 |
SItrHEFF(I,J,bi,bj,1)=HEFF(I,J,bi,bj) |
546 |
SItrAREA(I,J,bi,bj,2)=AREA(I,J,bi,bj) |
547 |
#endif |
548 |
ENDDO |
549 |
ENDDO |
550 |
|
551 |
C 4) treat sea ice salinity pathological cases |
552 |
#ifdef SEAICE_VARIABLE_SALINITY |
553 |
#ifdef ALLOW_AUTODIFF_TAMC |
554 |
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
555 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
556 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
557 |
DO J=1,sNy |
558 |
DO I=1,sNx |
559 |
IF ( (HSALT(I,J,bi,bj) .LT. 0.0).OR. |
560 |
& (HEFF(I,J,bi,bj) .EQ. 0.0) ) THEN |
561 |
saltFluxAdjust(I,J) = - HEFFM(I,J,bi,bj) * |
562 |
& HSALT(I,J,bi,bj) * recip_deltaTtherm |
563 |
HSALT(I,J,bi,bj) = 0.0 _d 0 |
564 |
ENDIF |
565 |
ENDDO |
566 |
ENDDO |
567 |
#endif /* SEAICE_VARIABLE_SALINITY */ |
568 |
|
569 |
#endif /* SEAICE_GROWTH_LEGACY */ |
570 |
|
571 |
#ifdef ALLOW_DIAGNOSTICS |
572 |
IF ( useDiagnostics ) THEN |
573 |
CALL DIAGNOSTICS_FILL(DIAGarrayA,'SIareaPR',0,1,3,bi,bj,myThid) |
574 |
CALL DIAGNOSTICS_FILL(DIAGarrayB,'SIareaPT',0,1,3,bi,bj,myThid) |
575 |
CALL DIAGNOSTICS_FILL(DIAGarrayC,'SIheffPT',0,1,3,bi,bj,myThid) |
576 |
CALL DIAGNOSTICS_FILL(DIAGarrayD,'SIhsnoPT',0,1,3,bi,bj,myThid) |
577 |
#ifdef ALLOW_SITRACER |
578 |
DO iTr = 1, SItrNumInUse |
579 |
WRITE(diagName,'(A4,I2.2,A2)') 'SItr',iTr,'PT' |
580 |
IF (SItrMate(iTr).EQ.'HEFF') THEN |
581 |
CALL DIAGNOSTICS_FRACT_FILL( |
582 |
I SItracer(1-OLx,1-OLy,bi,bj,iTr),HEFF(1-OLx,1-OLy,bi,bj), |
583 |
I ONE, 1, diagName,0,1,2,bi,bj,myThid ) |
584 |
ELSE |
585 |
CALL DIAGNOSTICS_FRACT_FILL( |
586 |
I SItracer(1-OLx,1-OLy,bi,bj,iTr),AREA(1-OLx,1-OLy,bi,bj), |
587 |
I ONE, 1, diagName,0,1,2,bi,bj,myThid ) |
588 |
ENDIF |
589 |
ENDDO |
590 |
#endif /* ALLOW_SITRACER */ |
591 |
ENDIF |
592 |
#endif /* ALLOW_DIAGNOSTICS */ |
593 |
|
594 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
595 |
Cgf no additional dependency of air-sea fluxes to ice |
596 |
IF ( SEAICEadjMODE.GE.1 ) THEN |
597 |
DO J=1,sNy |
598 |
DO I=1,sNx |
599 |
HEFFpreTH(I,J) = 0. _d 0 |
600 |
HSNWpreTH(I,J) = 0. _d 0 |
601 |
AREApreTH(I,J) = 0. _d 0 |
602 |
ENDDO |
603 |
ENDDO |
604 |
ENDIF |
605 |
#endif |
606 |
|
607 |
#if (defined (ALLOW_MEAN_SFLUX_COST_CONTRIBUTION) || defined (ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION)) |
608 |
DO J=1,sNy |
609 |
DO I=1,sNx |
610 |
AREAforAtmFW(I,J,bi,bj) = AREApreTH(I,J) |
611 |
ENDDO |
612 |
ENDDO |
613 |
#endif |
614 |
|
615 |
C 4) COMPUTE ACTUAL ICE/SNOW THICKNESS; USE MIN/MAX VALUES |
616 |
C TO REGULARIZE SEAICE_SOLVE4TEMP/d_AREA COMPUTATIONS |
617 |
|
618 |
#ifdef ALLOW_AUTODIFF_TAMC |
619 |
CADJ STORE AREApreTH = comlev1_bibj, key = iicekey, byte = isbyte |
620 |
CADJ STORE HEFFpreTH = comlev1_bibj, key = iicekey, byte = isbyte |
621 |
CADJ STORE HSNWpreTH = comlev1_bibj, key = iicekey, byte = isbyte |
622 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
623 |
DO J=1,sNy |
624 |
DO I=1,sNx |
625 |
|
626 |
IF (HEFFpreTH(I,J) .GT. ZERO) THEN |
627 |
#ifdef SEAICE_GROWTH_LEGACY |
628 |
tmpscal1 = MAX(SEAICE_area_reg,AREApreTH(I,J)) |
629 |
hsnowActual(I,J) = HSNWpreTH(I,J)/tmpscal1 |
630 |
tmpscal2 = HEFFpreTH(I,J)/tmpscal1 |
631 |
heffActual(I,J) = MAX(tmpscal2,SEAICE_hice_reg) |
632 |
#else /* SEAICE_GROWTH_LEGACY */ |
633 |
cif regularize AREA with SEAICE_area_reg |
634 |
tmpscal1 = SQRT(AREApreTH(I,J)* AREApreTH(I,J) + area_reg_sq) |
635 |
cif heffActual calculated with the regularized AREA |
636 |
tmpscal2 = HEFFpreTH(I,J) / tmpscal1 |
637 |
cif regularize heffActual with SEAICE_hice_reg (add lower bound) |
638 |
heffActual(I,J) = SQRT(tmpscal2 * tmpscal2 + hice_reg_sq) |
639 |
cif hsnowActual calculated with the regularized AREA |
640 |
hsnowActual(I,J) = HSNWpreTH(I,J) / tmpscal1 |
641 |
#endif /* SEAICE_GROWTH_LEGACY */ |
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 |
cif Do not regularize when HEFFpreTH = 0 |
646 |
ELSE |
647 |
heffActual(I,J) = ZERO |
648 |
hsnowActual(I,J) = ZERO |
649 |
recip_heffActual(I,J) = ZERO |
650 |
ENDIF |
651 |
|
652 |
ENDDO |
653 |
ENDDO |
654 |
|
655 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
656 |
CALL ZERO_ADJ_1D( sNx*sNy, heffActual, myThid) |
657 |
CALL ZERO_ADJ_1D( sNx*sNy, hsnowActual, myThid) |
658 |
CALL ZERO_ADJ_1D( sNx*sNy, recip_heffActual, myThid) |
659 |
#endif |
660 |
|
661 |
#ifdef SEAICE_CAP_SUBLIM |
662 |
C 5) COMPUTE MAXIMUM LATENT HEAT FLUXES FOR THE CURRENT ICE |
663 |
C AND SNOW THICKNESS |
664 |
DO J=1,sNy |
665 |
DO I=1,sNx |
666 |
c The latent heat flux over the sea ice which |
667 |
c will sublimate all of the snow and ice over one time |
668 |
c step (W/m^2) |
669 |
IF (HEFFpreTH(I,J) .GT. ZERO) THEN |
670 |
latentHeatFluxMax(I,J) = lhSublim * recip_deltaTtherm * |
671 |
& (HEFFpreTH(I,J) * SEAICE_rhoIce + |
672 |
& HSNWpreTH(I,J) * SEAICE_rhoSnow)/AREApreTH(I,J) |
673 |
ELSE |
674 |
latentHeatFluxMax(I,J) = ZERO |
675 |
ENDIF |
676 |
ENDDO |
677 |
ENDDO |
678 |
#endif /* SEAICE_CAP_SUBLIM */ |
679 |
|
680 |
C =================================================================== |
681 |
C ================PART 2: determine heat fluxes/stocks=============== |
682 |
C =================================================================== |
683 |
|
684 |
C determine available heat due to the atmosphere -- for open water |
685 |
C ================================================================ |
686 |
|
687 |
DO j=1,sNy |
688 |
DO i=1,sNx |
689 |
C ocean surface/mixed layer temperature |
690 |
TmixLoc(i,j) = theta(i,j,kSurface,bi,bj)+celsius2K |
691 |
C wind speed from exf |
692 |
UG(I,J) = MAX(SEAICE_EPS,wspeed(I,J,bi,bj)) |
693 |
ENDDO |
694 |
ENDDO |
695 |
|
696 |
#ifdef ALLOW_AUTODIFF_TAMC |
697 |
CADJ STORE qnet(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
698 |
CADJ STORE qsw(:,:,bi,bj) = comlev1_bibj, key = iicekey,byte=isbyte |
699 |
cCADJ STORE UG = comlev1_bibj, key = iicekey,byte=isbyte |
700 |
cCADJ STORE TmixLoc = comlev1_bibj, key = iicekey,byte=isbyte |
701 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
702 |
|
703 |
CALL SEAICE_BUDGET_OCEAN( |
704 |
I UG, |
705 |
I TmixLoc, |
706 |
O a_QbyATM_open, a_QSWbyATM_open, |
707 |
I bi, bj, myTime, myIter, myThid ) |
708 |
|
709 |
C determine available heat due to the atmosphere -- for ice covered water |
710 |
C ======================================================================= |
711 |
|
712 |
#ifdef ALLOW_ATM_WIND |
713 |
IF (useRelativeWind) THEN |
714 |
C Compute relative wind speed over sea ice. |
715 |
DO J=1,sNy |
716 |
DO I=1,sNx |
717 |
SPEED_SQ = |
718 |
& (uWind(I,J,bi,bj) |
719 |
& +0.5 _d 0*(uVel(i,j,kSurface,bi,bj) |
720 |
& +uVel(i+1,j,kSurface,bi,bj)) |
721 |
& -0.5 _d 0*(uice(i,j,bi,bj)+uice(i+1,j,bi,bj)))**2 |
722 |
& +(vWind(I,J,bi,bj) |
723 |
& +0.5 _d 0*(vVel(i,j,kSurface,bi,bj) |
724 |
& +vVel(i,j+1,kSurface,bi,bj)) |
725 |
& -0.5 _d 0*(vice(i,j,bi,bj)+vice(i,j+1,bi,bj)))**2 |
726 |
IF ( SPEED_SQ .LE. SEAICE_EPS_SQ ) THEN |
727 |
UG(I,J)=SEAICE_EPS |
728 |
ELSE |
729 |
UG(I,J)=SQRT(SPEED_SQ) |
730 |
ENDIF |
731 |
ENDDO |
732 |
ENDDO |
733 |
ENDIF |
734 |
#endif /* ALLOW_ATM_WIND */ |
735 |
|
736 |
#ifdef ALLOW_AUTODIFF_TAMC |
737 |
CADJ STORE tice(:,:,bi,bj) |
738 |
CADJ & = comlev1_bibj, key = iicekey, byte = isbyte |
739 |
CADJ STORE hsnowActual = comlev1_bibj, key = iicekey, byte = isbyte |
740 |
CADJ STORE heffActual = comlev1_bibj, key = iicekey, byte = isbyte |
741 |
CADJ STORE UG = comlev1_bibj, key = iicekey, byte = isbyte |
742 |
CADJ STORE tices(:,:,:,bi,bj) |
743 |
CADJ & = comlev1_bibj, key = iicekey, byte = isbyte |
744 |
CADJ STORE salt(:,:,kSurface,bi,bj) = comlev1_bibj, |
745 |
CADJ & key = iicekey, byte = isbyte |
746 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
747 |
|
748 |
C-- Start loop over multi-categories |
749 |
DO IT=1,SEAICE_multDim |
750 |
c homogeneous distribution between 0 and 2 x heffActual |
751 |
pFac = (2.0 _d 0*real(IT)-1.0 _d 0)*recip_multDim |
752 |
DO J=1,sNy |
753 |
DO I=1,sNx |
754 |
heffActualMult(I,J,IT)= heffActual(I,J)*pFac |
755 |
#ifdef SEAICE_CAP_SUBLIM |
756 |
latentHeatFluxMaxMult(I,J,IT) = latentHeatFluxMax(I,J)*pFac |
757 |
#endif |
758 |
ticeInMult(I,J,IT)=TICES(I,J,IT,bi,bj) |
759 |
ticeOutMult(I,J,IT)=TICES(I,J,IT,bi,bj) |
760 |
TICE(I,J,bi,bj) = ZERO |
761 |
TICES(I,J,IT,bi,bj) = ZERO |
762 |
ENDDO |
763 |
ENDDO |
764 |
ENDDO |
765 |
|
766 |
#ifdef ALLOW_AUTODIFF_TAMC |
767 |
CADJ STORE heffActualMult = comlev1_bibj, key = iicekey, byte = isbyte |
768 |
CADJ STORE ticeInMult = comlev1_bibj, key = iicekey, byte = isbyte |
769 |
# ifdef SEAICE_CAP_SUBLIM |
770 |
CADJ STORE latentHeatFluxMaxMult |
771 |
CADJ & = comlev1_bibj, key = iicekey, byte = isbyte |
772 |
# endif |
773 |
CADJ STORE a_QbyATMmult_cover = |
774 |
CADJ & comlev1_bibj, key = iicekey, byte = isbyte |
775 |
CADJ STORE a_QSWbyATMmult_cover = |
776 |
CADJ & comlev1_bibj, key = iicekey, byte = isbyte |
777 |
CADJ STORE a_FWbySublimMult = |
778 |
CADJ & comlev1_bibj, key = iicekey, byte = isbyte |
779 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
780 |
|
781 |
DO IT=1,SEAICE_multDim |
782 |
CALL SEAICE_SOLVE4TEMP( |
783 |
I UG, heffActualMult(1,1,IT), hsnowActual, |
784 |
#ifdef SEAICE_CAP_SUBLIM |
785 |
I latentHeatFluxMaxMult(1,1,IT), |
786 |
#endif |
787 |
U ticeInMult(1,1,IT), ticeOutMult(1,1,IT), |
788 |
O a_QbyATMmult_cover(1,1,IT), a_QSWbyATMmult_cover(1,1,IT), |
789 |
O a_FWbySublimMult(1,1,IT), |
790 |
I bi, bj, myTime, myIter, myThid ) |
791 |
ENDDO |
792 |
|
793 |
#ifdef ALLOW_AUTODIFF_TAMC |
794 |
CADJ STORE heffActualMult = comlev1_bibj, key = iicekey, byte = isbyte |
795 |
CADJ STORE ticeOutMult = comlev1_bibj, key = iicekey, byte = isbyte |
796 |
# ifdef SEAICE_CAP_SUBLIM |
797 |
CADJ STORE latentHeatFluxMaxMult |
798 |
CADJ & = comlev1_bibj, key = iicekey, byte = isbyte |
799 |
# endif |
800 |
CADJ STORE a_QbyATMmult_cover = |
801 |
CADJ & comlev1_bibj, key = iicekey, byte = isbyte |
802 |
CADJ STORE a_QSWbyATMmult_cover = |
803 |
CADJ & comlev1_bibj, key = iicekey, byte = isbyte |
804 |
CADJ STORE a_FWbySublimMult = |
805 |
CADJ & comlev1_bibj, key = iicekey, byte = isbyte |
806 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
807 |
|
808 |
DO IT=1,SEAICE_multDim |
809 |
DO J=1,sNy |
810 |
DO I=1,sNx |
811 |
C update TICE & TICES |
812 |
TICE(I,J,bi,bj) = TICE(I,J,bi,bj) |
813 |
& + ticeOutMult(I,J,IT)*recip_multDim |
814 |
TICES(I,J,IT,bi,bj) = ticeOutMult(I,J,IT) |
815 |
C average over categories |
816 |
a_QbyATM_cover (I,J) = a_QbyATM_cover(I,J) |
817 |
& + a_QbyATMmult_cover(I,J,IT)*recip_multDim |
818 |
a_QSWbyATM_cover (I,J) = a_QSWbyATM_cover(I,J) |
819 |
& + a_QSWbyATMmult_cover(I,J,IT)*recip_multDim |
820 |
a_FWbySublim (I,J) = a_FWbySublim(I,J) |
821 |
& + a_FWbySublimMult(I,J,IT)*recip_multDim |
822 |
ENDDO |
823 |
ENDDO |
824 |
ENDDO |
825 |
|
826 |
#ifdef SEAICE_CAP_SUBLIM |
827 |
# ifdef ALLOW_DIAGNOSTICS |
828 |
DO J=1,sNy |
829 |
DO I=1,sNx |
830 |
c The actual latent heat flux realized by SOLVE4TEMP |
831 |
DIAGarrayA(I,J) = a_FWbySublim(I,J) * lhSublim |
832 |
ENDDO |
833 |
ENDDO |
834 |
cif The actual vs. maximum latent heat flux |
835 |
IF ( useDiagnostics ) THEN |
836 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
837 |
& 'SIactLHF',0,1,3,bi,bj,myThid) |
838 |
CALL DIAGNOSTICS_FILL(latentHeatFluxMax, |
839 |
& 'SImaxLHF',0,1,3,bi,bj,myThid) |
840 |
ENDIF |
841 |
# endif /* ALLOW_DIAGNOSTICS */ |
842 |
#endif /* SEAICE_CAP_SUBLIM */ |
843 |
|
844 |
#ifdef ALLOW_AUTODIFF_TAMC |
845 |
CADJ STORE AREApreTH = comlev1_bibj, key = iicekey, byte = isbyte |
846 |
CADJ STORE a_QbyATM_cover = comlev1_bibj, key = iicekey, byte = isbyte |
847 |
CADJ STORE a_QSWbyATM_cover= comlev1_bibj, key = iicekey, byte = isbyte |
848 |
CADJ STORE a_QbyATM_open = comlev1_bibj, key = iicekey, byte = isbyte |
849 |
CADJ STORE a_QSWbyATM_open = comlev1_bibj, key = iicekey, byte = isbyte |
850 |
CADJ STORE a_FWbySublim = comlev1_bibj, key = iicekey, byte = isbyte |
851 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
852 |
|
853 |
C switch heat fluxes from W/m2 to 'effective' ice meters |
854 |
DO J=1,sNy |
855 |
DO I=1,sNx |
856 |
a_QbyATM_cover(I,J) = a_QbyATM_cover(I,J) |
857 |
& * convertQ2HI * AREApreTH(I,J) |
858 |
a_QSWbyATM_cover(I,J) = a_QSWbyATM_cover(I,J) |
859 |
& * convertQ2HI * AREApreTH(I,J) |
860 |
a_QbyATM_open(I,J) = a_QbyATM_open(I,J) |
861 |
& * convertQ2HI * ( ONE - AREApreTH(I,J) ) |
862 |
a_QSWbyATM_open(I,J) = a_QSWbyATM_open(I,J) |
863 |
& * convertQ2HI * ( ONE - AREApreTH(I,J) ) |
864 |
C and initialize r_QbyATM_cover/r_QbyATM_open |
865 |
r_QbyATM_cover(I,J)=a_QbyATM_cover(I,J) |
866 |
r_QbyATM_open(I,J)=a_QbyATM_open(I,J) |
867 |
C Convert fresh water flux by sublimation to 'effective' ice meters. |
868 |
C Negative sublimation is resublimation and will be added as snow. |
869 |
#ifdef SEAICE_DISABLE_SUBLIM |
870 |
cgf just for those who may need to omit this term to reproduce old results |
871 |
a_FWbySublim(I,J) = ZERO |
872 |
#endif /* SEAICE_CAP_SUBLIM */ |
873 |
a_FWbySublim(I,J) = SEAICE_deltaTtherm*recip_rhoIce |
874 |
& * a_FWbySublim(I,J)*AREApreTH(I,J) |
875 |
r_FWbySublim(I,J)=a_FWbySublim(I,J) |
876 |
ENDDO |
877 |
ENDDO |
878 |
|
879 |
#ifdef ALLOW_AUTODIFF_TAMC |
880 |
CADJ STORE AREApreTH = comlev1_bibj, key = iicekey, byte = isbyte |
881 |
CADJ STORE a_QbyATM_cover = comlev1_bibj, key = iicekey, byte = isbyte |
882 |
CADJ STORE a_QSWbyATM_cover= comlev1_bibj, key = iicekey, byte = isbyte |
883 |
CADJ STORE a_QbyATM_open = comlev1_bibj, key = iicekey, byte = isbyte |
884 |
CADJ STORE a_QSWbyATM_open = comlev1_bibj, key = iicekey, byte = isbyte |
885 |
CADJ STORE a_FWbySublim = comlev1_bibj, key = iicekey, byte = isbyte |
886 |
CADJ STORE r_QbyATM_cover = comlev1_bibj, key = iicekey, byte = isbyte |
887 |
CADJ STORE r_QbyATM_open = comlev1_bibj, key = iicekey, byte = isbyte |
888 |
CADJ STORE r_FWbySublim = comlev1_bibj, key = iicekey, byte = isbyte |
889 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
890 |
|
891 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
892 |
Cgf no additional dependency through ice cover |
893 |
IF ( SEAICEadjMODE.GE.3 ) THEN |
894 |
DO J=1,sNy |
895 |
DO I=1,sNx |
896 |
a_QbyATM_cover(I,J) = 0. _d 0 |
897 |
r_QbyATM_cover(I,J) = 0. _d 0 |
898 |
a_QSWbyATM_cover(I,J) = 0. _d 0 |
899 |
ENDDO |
900 |
ENDDO |
901 |
ENDIF |
902 |
#endif |
903 |
|
904 |
C determine available heat due to the ice pack tying the |
905 |
C underlying surface water temperature to freezing point |
906 |
C ====================================================== |
907 |
|
908 |
#ifdef ALLOW_AUTODIFF_TAMC |
909 |
CADJ STORE theta(:,:,kSurface,bi,bj) = comlev1_bibj, |
910 |
CADJ & key = iicekey, byte = isbyte |
911 |
CADJ STORE salt(:,:,kSurface,bi,bj) = comlev1_bibj, |
912 |
CADJ & key = iicekey, byte = isbyte |
913 |
#endif |
914 |
|
915 |
DO J=1,sNy |
916 |
DO I=1,sNx |
917 |
c FREEZING TEMP. OF SEA WATER (deg C) |
918 |
tempFrz = SEAICE_tempFrz0 + |
919 |
& SEAICE_dTempFrz_dS *salt(I,J,kSurface,bi,bj) |
920 |
c efficiency of turbulent fluxes : dependency to sign of THETA-TBC |
921 |
IF ( theta(I,J,kSurface,bi,bj) .GE. tempFrz ) THEN |
922 |
tmpscal1 = SEAICE_mcPheePiston |
923 |
ELSE |
924 |
tmpscal1 =SEAICE_frazilFrac*drF(kSurface)/SEAICE_deltaTtherm |
925 |
ENDIF |
926 |
c efficiency of turbulent fluxes : dependency to AREA (McPhee cases) |
927 |
IF ( (AREApreTH(I,J) .GT. 0. _d 0).AND. |
928 |
& (.NOT.SEAICE_mcPheeStepFunc) ) THEN |
929 |
MixedLayerTurbulenceFactor = ONE - |
930 |
& SEAICE_mcPheeTaper * AREApreTH(I,J) |
931 |
ELSEIF ( (AREApreTH(I,J) .GT. 0. _d 0).AND. |
932 |
& (SEAICE_mcPheeStepFunc) ) THEN |
933 |
MixedLayerTurbulenceFactor = ONE - SEAICE_mcPheeTaper |
934 |
ELSE |
935 |
MixedLayerTurbulenceFactor = ONE |
936 |
ENDIF |
937 |
c maximum turbulent flux, in ice meters |
938 |
tmpscal2= - (HeatCapacity_Cp*rhoConst * recip_QI) |
939 |
& * (theta(I,J,kSurface,bi,bj)-tempFrz) |
940 |
& * SEAICE_deltaTtherm * maskC(i,j,kSurface,bi,bj) |
941 |
c available turbulent flux |
942 |
a_QbyOCN(i,j) = |
943 |
& tmpscal1 * tmpscal2 * MixedLayerTurbulenceFactor |
944 |
r_QbyOCN(i,j) = a_QbyOCN(i,j) |
945 |
ENDDO |
946 |
ENDDO |
947 |
|
948 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
949 |
CALL ZERO_ADJ_1D( sNx*sNy, r_QbyOCN, myThid) |
950 |
#endif |
951 |
|
952 |
|
953 |
C =================================================================== |
954 |
C =========PART 3: determine effective thicknesses increments======== |
955 |
C =================================================================== |
956 |
|
957 |
C compute snow/ice tendency due to sublimation |
958 |
C ============================================ |
959 |
|
960 |
#ifdef ALLOW_AUTODIFF_TAMC |
961 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
962 |
CADJ STORE r_FWbySublim = comlev1_bibj,key=iicekey,byte=isbyte |
963 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
964 |
DO J=1,sNy |
965 |
DO I=1,sNx |
966 |
C First sublimate/deposite snow |
967 |
tmpscal2 = |
968 |
& MAX(MIN(r_FWbySublim(I,J),HSNOW(I,J,bi,bj)*SNOW2ICE),ZERO) |
969 |
d_HSNWbySublim(I,J) = - tmpscal2 * ICE2SNOW |
970 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) - tmpscal2*ICE2SNOW |
971 |
r_FWbySublim(I,J) = r_FWbySublim(I,J) - tmpscal2 |
972 |
ENDDO |
973 |
ENDDO |
974 |
#ifdef ALLOW_AUTODIFF_TAMC |
975 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
976 |
CADJ STORE r_FWbySublim = comlev1_bibj,key=iicekey,byte=isbyte |
977 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
978 |
DO J=1,sNy |
979 |
DO I=1,sNx |
980 |
C If anything is left, sublimate ice |
981 |
tmpscal2 = |
982 |
& MAX(MIN(r_FWbySublim(I,J),HEFF(I,J,bi,bj)),ZERO) |
983 |
d_HEFFbySublim(I,J) = - tmpscal2 |
984 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) - tmpscal2 |
985 |
r_FWbySublim(I,J) = r_FWbySublim(I,J) - tmpscal2 |
986 |
ENDDO |
987 |
ENDDO |
988 |
DO J=1,sNy |
989 |
DO I=1,sNx |
990 |
C If anything is left, it will be evaporated from the ocean rather than sublimated. |
991 |
C Since a_QbyATM_cover was computed for sublimation, not simple evapation, we need to |
992 |
C remove the fusion part for the residual (that happens to be precisely r_FWbySublim). |
993 |
a_QbyATM_cover(I,J) = a_QbyATM_cover(I,J)-r_FWbySublim(I,J) |
994 |
r_QbyATM_cover(I,J) = r_QbyATM_cover(I,J)-r_FWbySublim(I,J) |
995 |
ENDDO |
996 |
ENDDO |
997 |
|
998 |
C compute ice thickness tendency due to ice-ocean interaction |
999 |
C =========================================================== |
1000 |
|
1001 |
#ifdef ALLOW_AUTODIFF_TAMC |
1002 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1003 |
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1004 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1005 |
|
1006 |
DO J=1,sNy |
1007 |
DO I=1,sNx |
1008 |
d_HEFFbyOCNonICE(I,J)=MAX(r_QbyOCN(i,j), -HEFF(I,J,bi,bj)) |
1009 |
r_QbyOCN(I,J)=r_QbyOCN(I,J)-d_HEFFbyOCNonICE(I,J) |
1010 |
HEFF(I,J,bi,bj)=HEFF(I,J,bi,bj) + d_HEFFbyOCNonICE(I,J) |
1011 |
#ifdef ALLOW_SITRACER |
1012 |
SItrHEFF(I,J,bi,bj,2)=HEFF(I,J,bi,bj) |
1013 |
#endif |
1014 |
ENDDO |
1015 |
ENDDO |
1016 |
|
1017 |
C compute snow melt tendency due to snow-atmosphere interaction |
1018 |
C ================================================================== |
1019 |
|
1020 |
#ifdef ALLOW_AUTODIFF_TAMC |
1021 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1022 |
CADJ STORE r_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1023 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1024 |
|
1025 |
DO J=1,sNy |
1026 |
DO I=1,sNx |
1027 |
C Convert to standard units (meters of ice) rather than to meters |
1028 |
C of snow. This appears to be more robust. |
1029 |
tmpscal1=MAX(r_QbyATM_cover(I,J),-HSNOW(I,J,bi,bj)*SNOW2ICE) |
1030 |
tmpscal2=MIN(tmpscal1,0. _d 0) |
1031 |
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
1032 |
Cgf no additional dependency through snow |
1033 |
IF ( SEAICEadjMODE.GE.2 ) tmpscal2 = 0. _d 0 |
1034 |
#endif |
1035 |
d_HSNWbyATMonSNW(I,J)= tmpscal2*ICE2SNOW |
1036 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) + tmpscal2*ICE2SNOW |
1037 |
r_QbyATM_cover(I,J)=r_QbyATM_cover(I,J) - tmpscal2 |
1038 |
ENDDO |
1039 |
ENDDO |
1040 |
|
1041 |
C compute ice thickness tendency due to the atmosphere |
1042 |
C ==================================================== |
1043 |
|
1044 |
#ifdef ALLOW_AUTODIFF_TAMC |
1045 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1046 |
CADJ STORE r_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1047 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1048 |
|
1049 |
Cgf note: this block is not actually tested by lab_sea |
1050 |
Cgf where all experiments start in January. So even though |
1051 |
Cgf the v1.81=>v1.82 revision would change results in |
1052 |
Cgf warming conditions, the lab_sea results were not changed. |
1053 |
|
1054 |
DO J=1,sNy |
1055 |
DO I=1,sNx |
1056 |
|
1057 |
#ifdef SEAICE_GROWTH_LEGACY |
1058 |
tmpscal2 = MAX(-HEFF(I,J,bi,bj),r_QbyATM_cover(I,J)) |
1059 |
#else |
1060 |
tmpscal2 = MAX(-HEFF(I,J,bi,bj),r_QbyATM_cover(I,J)+ |
1061 |
c Limit ice growth by potential melt by ocean |
1062 |
& AREApreTH(I,J) * r_QbyOCN(I,J)) |
1063 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1064 |
|
1065 |
d_HEFFbyATMonOCN_cover(I,J)=tmpscal2 |
1066 |
d_HEFFbyATMonOCN(I,J)=d_HEFFbyATMonOCN(I,J)+tmpscal2 |
1067 |
r_QbyATM_cover(I,J)=r_QbyATM_cover(I,J)-tmpscal2 |
1068 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal2 |
1069 |
|
1070 |
#ifdef ALLOW_SITRACER |
1071 |
SItrHEFF(I,J,bi,bj,3)=HEFF(I,J,bi,bj) |
1072 |
#endif |
1073 |
ENDDO |
1074 |
ENDDO |
1075 |
|
1076 |
C attribute precip to fresh water or snow stock, |
1077 |
C depending on atmospheric conditions. |
1078 |
C ================================================= |
1079 |
#ifdef ALLOW_ATM_TEMP |
1080 |
#ifdef ALLOW_AUTODIFF_TAMC |
1081 |
CADJ STORE a_QbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1082 |
CADJ STORE PRECIP(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1083 |
CADJ STORE AREApreTH = comlev1_bibj,key=iicekey,byte=isbyte |
1084 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1085 |
DO J=1,sNy |
1086 |
DO I=1,sNx |
1087 |
C possible alternatives to the a_QbyATM_cover criterium |
1088 |
c IF (TICE(I,J,bi,bj) .LT. TMIX) THEN |
1089 |
c IF (atemp(I,J,bi,bj) .LT. celsius2K) THEN |
1090 |
IF ( a_QbyATM_cover(I,J).GE. 0. _d 0 ) THEN |
1091 |
C add precip as snow |
1092 |
d_HFRWbyRAIN(I,J)=0. _d 0 |
1093 |
d_HSNWbyRAIN(I,J)=convertPRECIP2HI*ICE2SNOW* |
1094 |
& PRECIP(I,J,bi,bj)*AREApreTH(I,J) |
1095 |
ELSE |
1096 |
C add precip to the fresh water bucket |
1097 |
d_HFRWbyRAIN(I,J)=-convertPRECIP2HI* |
1098 |
& PRECIP(I,J,bi,bj)*AREApreTH(I,J) |
1099 |
d_HSNWbyRAIN(I,J)=0. _d 0 |
1100 |
ENDIF |
1101 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj) + d_HSNWbyRAIN(I,J) |
1102 |
ENDDO |
1103 |
ENDDO |
1104 |
Cgf note: this does not affect air-sea heat flux, |
1105 |
Cgf since the implied air heat gain to turn |
1106 |
Cgf rain to snow is not a surface process. |
1107 |
#endif /* ALLOW_ATM_TEMP */ |
1108 |
|
1109 |
C compute snow melt due to heat available from ocean. |
1110 |
C ================================================================= |
1111 |
|
1112 |
Cgf do we need to keep this comment and cpp bracket? |
1113 |
Cph( very sensitive bit here by JZ |
1114 |
#ifndef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING |
1115 |
#ifdef ALLOW_AUTODIFF_TAMC |
1116 |
CADJ STORE HSNOW(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1117 |
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1118 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1119 |
DO J=1,sNy |
1120 |
DO I=1,sNx |
1121 |
tmpscal1=MAX(r_QbyOCN(i,j)*ICE2SNOW, -HSNOW(I,J,bi,bj)) |
1122 |
tmpscal2=MIN(tmpscal1,0. _d 0) |
1123 |
#ifdef SEAICE_MODIFY_GROWTH_ADJ |
1124 |
Cgf no additional dependency through snow |
1125 |
if ( SEAICEadjMODE.GE.2 ) tmpscal2 = 0. _d 0 |
1126 |
#endif |
1127 |
d_HSNWbyOCNonSNW(I,J) = tmpscal2 |
1128 |
r_QbyOCN(I,J)=r_QbyOCN(I,J) |
1129 |
& -d_HSNWbyOCNonSNW(I,J)*SNOW2ICE |
1130 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)+d_HSNWbyOCNonSNW(I,J) |
1131 |
ENDDO |
1132 |
ENDDO |
1133 |
#endif /* SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING */ |
1134 |
Cph) |
1135 |
|
1136 |
C gain of new ice over open water |
1137 |
C =============================== |
1138 |
#ifdef ALLOW_AUTODIFF_TAMC |
1139 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1140 |
CADJ STORE r_QbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
1141 |
CADJ STORE r_QbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1142 |
CADJ STORE a_QSWbyATM_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1143 |
CADJ STORE a_QSWbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
1144 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1145 |
|
1146 |
DO J=1,sNy |
1147 |
DO I=1,sNx |
1148 |
c Initial ice growth is triggered by open water |
1149 |
c heat flux overcoming potential melt by ocean |
1150 |
tmpscal1=r_QbyATM_open(I,J)+r_QbyOCN(i,j) * |
1151 |
& (1.0 _d 0 - AREApreTH(I,J)) |
1152 |
c Penetrative shortwave flux beyond first layer |
1153 |
c that is therefore not available to ice growth/melt |
1154 |
tmpscal2=SWFracB * a_QSWbyATM_open(I,J) |
1155 |
C impose -HEFF as the maxmum melting if SEAICE_doOpenWaterMelt |
1156 |
C or 0. otherwise (no melting if not SEAICE_doOpenWaterMelt) |
1157 |
tmpscal3=facOpenGrow*MAX(tmpscal1-tmpscal2, |
1158 |
& -HEFF(I,J,bi,bj)*facOpenMelt)*HEFFM(I,J,bi,bj) |
1159 |
d_HEFFbyATMonOCN_open(I,J)=tmpscal3 |
1160 |
d_HEFFbyATMonOCN(I,J)=d_HEFFbyATMonOCN(I,J)+tmpscal3 |
1161 |
r_QbyATM_open(I,J)=r_QbyATM_open(I,J)-tmpscal3 |
1162 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal3 |
1163 |
ENDDO |
1164 |
ENDDO |
1165 |
|
1166 |
#ifdef ALLOW_SITRACER |
1167 |
DO J=1,sNy |
1168 |
DO I=1,sNx |
1169 |
c needs to be here to allow use also with LEGACY branch |
1170 |
SItrHEFF(I,J,bi,bj,4)=HEFF(I,J,bi,bj) |
1171 |
ENDDO |
1172 |
ENDDO |
1173 |
#endif /* ALLOW_SITRACER */ |
1174 |
|
1175 |
C convert snow to ice if submerged. |
1176 |
C ================================= |
1177 |
|
1178 |
#ifndef SEAICE_GROWTH_LEGACY |
1179 |
C note: in legacy, this process is done at the end |
1180 |
#ifdef ALLOW_AUTODIFF_TAMC |
1181 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1182 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1183 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1184 |
IF ( SEAICEuseFlooding ) THEN |
1185 |
DO J=1,sNy |
1186 |
DO I=1,sNx |
1187 |
tmpscal0 = (HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1188 |
& +HEFF(I,J,bi,bj)*SEAICE_rhoIce)*recip_rhoConst |
1189 |
tmpscal1 = MAX( 0. _d 0, tmpscal0 - HEFF(I,J,bi,bj)) |
1190 |
d_HEFFbyFLOODING(I,J)=tmpscal1 |
1191 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)+d_HEFFbyFLOODING(I,J) |
1192 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)- |
1193 |
& d_HEFFbyFLOODING(I,J)*ICE2SNOW |
1194 |
ENDDO |
1195 |
ENDDO |
1196 |
ENDIF |
1197 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1198 |
|
1199 |
C =================================================================== |
1200 |
C ==========PART 4: determine ice cover fraction increments=========- |
1201 |
C =================================================================== |
1202 |
|
1203 |
#ifdef ALLOW_AUTODIFF_TAMC |
1204 |
CADJ STORE d_HEFFbyATMonOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1205 |
CADJ STORE d_HEFFbyATMonOCN_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1206 |
CADJ STORE d_HEFFbyATMonOCN_open = comlev1_bibj,key=iicekey,byte=isbyte |
1207 |
CADJ STORE d_HEFFbyOCNonICE = comlev1_bibj,key=iicekey,byte=isbyte |
1208 |
CADJ STORE recip_heffActual = comlev1_bibj,key=iicekey,byte=isbyte |
1209 |
CADJ STORE d_hsnwbyatmonsnw = comlev1_bibj,key=iicekey,byte=isbyte |
1210 |
cph( |
1211 |
cphCADJ STORE d_AREAbyATM = comlev1_bibj,key=iicekey,byte=isbyte |
1212 |
cphCADJ STORE d_AREAbyICE = comlev1_bibj,key=iicekey,byte=isbyte |
1213 |
cphCADJ STORE d_AREAbyOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1214 |
cph) |
1215 |
CADJ STORE a_QbyATM_open = comlev1_bibj,key=iicekey,byte=isbyte |
1216 |
CADJ STORE heffActual = comlev1_bibj,key=iicekey,byte=isbyte |
1217 |
CADJ STORE AREApreTH = comlev1_bibj,key=iicekey,byte=isbyte |
1218 |
CADJ STORE HEFF(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1219 |
CADJ STORE HSNOW(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1220 |
CADJ STORE AREA(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1221 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1222 |
|
1223 |
DO J=1,sNy |
1224 |
DO I=1,sNx |
1225 |
|
1226 |
IF ( YC(I,J,bi,bj) .LT. ZERO ) THEN |
1227 |
recip_HO=1. _d 0 / HO_south |
1228 |
ELSE |
1229 |
recip_HO=1. _d 0 / HO |
1230 |
ENDIF |
1231 |
#ifdef SEAICE_GROWTH_LEGACY |
1232 |
tmpscal0=HEFF(I,J,bi,bj) - d_HEFFbyATMonOCN(I,J) |
1233 |
recip_HH = AREApreTH(I,J) /(tmpscal0+.00001 _d 0) |
1234 |
#else |
1235 |
recip_HH = recip_heffActual(I,J) |
1236 |
#endif |
1237 |
|
1238 |
C gain of ice over open water : computed from |
1239 |
C (SEAICE_areaGainFormula.EQ.1) from growth by ATM |
1240 |
C (SEAICE_areaGainFormula.EQ.2) from predicted growth by ATM |
1241 |
IF (SEAICE_areaGainFormula.EQ.1) THEN |
1242 |
tmpscal4 = MAX(ZERO,d_HEFFbyATMonOCN_open(I,J)) |
1243 |
ELSE |
1244 |
tmpscal4=MAX(ZERO,a_QbyATM_open(I,J)) |
1245 |
ENDIF |
1246 |
|
1247 |
C loss of ice cover by melting : computed from |
1248 |
C (SEAICE_areaLossFormula.EQ.1) from all but only melt conributions by ATM and OCN |
1249 |
C (SEAICE_areaLossFormula.EQ.2) from net melt-growth>0 by ATM and OCN |
1250 |
C (SEAICE_areaLossFormula.EQ.3) from predicted melt by ATM |
1251 |
IF (SEAICE_areaLossFormula.EQ.1) THEN |
1252 |
tmpscal3 = MIN( 0. _d 0 , d_HEFFbyATMonOCN_cover(I,J) ) |
1253 |
& + MIN( 0. _d 0 , d_HEFFbyATMonOCN_open(I,J) ) |
1254 |
& + MIN( 0. _d 0 , d_HEFFbyOCNonICE(I,J) ) |
1255 |
ELSEIF (SEAICE_areaLossFormula.EQ.2) THEN |
1256 |
tmpscal3 = MIN( 0. _d 0 , d_HEFFbyATMonOCN_cover(I,J) |
1257 |
& + d_HEFFbyATMonOCN_open(I,J) + d_HEFFbyOCNonICE(I,J) ) |
1258 |
ELSE |
1259 |
C compute heff after ice melt by ocn: |
1260 |
tmpscal0=HEFF(I,J,bi,bj) - d_HEFFbyATMonOCN(I,J) |
1261 |
C compute available heat left after snow melt by atm: |
1262 |
tmpscal1= a_QbyATM_open(I,J)+a_QbyATM_cover(I,J) |
1263 |
& - d_HSNWbyATMonSNW(I,J)*SNOW2ICE |
1264 |
C could not melt more than all the ice |
1265 |
tmpscal2 = MAX(-tmpscal0,tmpscal1) |
1266 |
tmpscal3 = MIN(ZERO,tmpscal2) |
1267 |
ENDIF |
1268 |
|
1269 |
C apply tendency |
1270 |
IF ( (HEFF(i,j,bi,bj).GT.0. _d 0).OR. |
1271 |
& (HSNOW(i,j,bi,bj).GT.0. _d 0) ) THEN |
1272 |
AREA(I,J,bi,bj)=MAX(0. _d 0, |
1273 |
& MIN( SEAICE_area_max, AREA(I,J,bi,bj) |
1274 |
& + recip_HO*tmpscal4+HALF*recip_HH*tmpscal3 )) |
1275 |
ELSE |
1276 |
AREA(I,J,bi,bj)=0. _d 0 |
1277 |
ENDIF |
1278 |
#ifdef ALLOW_SITRACER |
1279 |
SItrAREA(I,J,bi,bj,3)=AREA(I,J,bi,bj) |
1280 |
#endif /* ALLOW_SITRACER */ |
1281 |
#ifdef ALLOW_DIAGNOSTICS |
1282 |
d_AREAbyATM(I,J)= |
1283 |
& recip_HO*MAX(ZERO,d_HEFFbyATMonOCN_open(I,J)) |
1284 |
& +HALF*recip_HH*MIN(0. _d 0,d_HEFFbyATMonOCN_open(I,J)) |
1285 |
d_AREAbyICE(I,J)= |
1286 |
& HALF*recip_HH*MIN(0. _d 0,d_HEFFbyATMonOCN_cover(I,J)) |
1287 |
d_AREAbyOCN(I,J)= |
1288 |
& HALF*recip_HH*MIN( 0. _d 0,d_HEFFbyOCNonICE(I,J) ) |
1289 |
#endif /* ALLOW_DIAGNOSTICS */ |
1290 |
ENDDO |
1291 |
ENDDO |
1292 |
|
1293 |
#if (defined ALLOW_AUTODIFF_TAMC && defined SEAICE_MODIFY_GROWTH_ADJ) |
1294 |
Cgf 'bulk' linearization of area=f(HEFF) |
1295 |
IF ( SEAICEadjMODE.GE.1 ) THEN |
1296 |
DO J=1,sNy |
1297 |
DO I=1,sNx |
1298 |
C AREA(I,J,bi,bj) = 0.1 _d 0 * HEFF(I,J,bi,bj) |
1299 |
AREA(I,J,bi,bj) = AREApreTH(I,J) + 0.1 _d 0 * |
1300 |
& ( HEFF(I,J,bi,bj) - HEFFpreTH(I,J) ) |
1301 |
ENDDO |
1302 |
ENDDO |
1303 |
ENDIF |
1304 |
#endif |
1305 |
|
1306 |
C =================================================================== |
1307 |
C =============PART 5: determine ice salinity increments============= |
1308 |
C =================================================================== |
1309 |
|
1310 |
#ifndef SEAICE_VARIABLE_SALINITY |
1311 |
# if (defined ALLOW_AUTODIFF_TAMC && defined ALLOW_SALT_PLUME) |
1312 |
CADJ STORE d_HEFFbyNEG = comlev1_bibj,key=iicekey,byte=isbyte |
1313 |
CADJ STORE d_HEFFbyOCNonICE = comlev1_bibj,key=iicekey,byte=isbyte |
1314 |
CADJ STORE d_HEFFbyATMonOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1315 |
CADJ STORE d_HEFFbyATMonOCN_open = comlev1_bibj,key=iicekey,byte=isbyte |
1316 |
CADJ STORE d_HEFFbyATMonOCN_cover = comlev1_bibj,key=iicekey,byte=isbyte |
1317 |
CADJ STORE d_HEFFbyFLOODING = comlev1_bibj,key=iicekey,byte=isbyte |
1318 |
CADJ STORE d_HEFFbySublim = comlev1_bibj,key=iicekey,byte=isbyte |
1319 |
CADJ STORE salt(:,:,kSurface,bi,bj) = comlev1_bibj, |
1320 |
CADJ & key = iicekey, byte = isbyte |
1321 |
# endif /* ALLOW_AUTODIFF_TAMC and ALLOW_SALT_PLUME */ |
1322 |
DO J=1,sNy |
1323 |
DO I=1,sNx |
1324 |
tmpscal1 = d_HEFFbyNEG(I,J) + d_HEFFbyOCNonICE(I,J) + |
1325 |
& d_HEFFbyATMonOCN(I,J) + d_HEFFbyFLOODING(I,J) |
1326 |
& + d_HEFFbySublim(I,J) |
1327 |
#ifdef SEAICE_ALLOW_AREA_RELAXATION |
1328 |
+ d_HEFFbyRLX(I,J) |
1329 |
#endif |
1330 |
tmpscal2 = tmpscal1 * SEAICE_salt0 * HEFFM(I,J,bi,bj) |
1331 |
& * recip_deltaTtherm * SEAICE_rhoIce |
1332 |
saltFlux(I,J,bi,bj) = tmpscal2 |
1333 |
#ifdef ALLOW_SALT_PLUME |
1334 |
tmpscal3 = tmpscal1*salt(I,J,kSurface,bi,bj)*HEFFM(I,J,bi,bj) |
1335 |
& * recip_deltaTtherm * SEAICE_rhoIce |
1336 |
saltPlumeFlux(I,J,bi,bj) = MAX( tmpscal3-tmpscal2 , 0. _d 0) |
1337 |
& *SPsalFRAC |
1338 |
#endif /* ALLOW_SALT_PLUME */ |
1339 |
ENDDO |
1340 |
ENDDO |
1341 |
#endif /* ndef SEAICE_VARIABLE_SALINITY */ |
1342 |
|
1343 |
#ifdef SEAICE_VARIABLE_SALINITY |
1344 |
|
1345 |
#ifdef SEAICE_GROWTH_LEGACY |
1346 |
# ifdef ALLOW_AUTODIFF_TAMC |
1347 |
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1348 |
# endif /* ALLOW_AUTODIFF_TAMC */ |
1349 |
DO J=1,sNy |
1350 |
DO I=1,sNx |
1351 |
C set HSALT = 0 if HSALT < 0 and compute salt to remove from ocean |
1352 |
IF ( HSALT(I,J,bi,bj) .LT. 0.0 ) THEN |
1353 |
saltFluxAdjust(I,J) = - HEFFM(I,J,bi,bj) * |
1354 |
& HSALT(I,J,bi,bj) * recip_deltaTtherm |
1355 |
HSALT(I,J,bi,bj) = 0.0 _d 0 |
1356 |
ENDIF |
1357 |
ENDDO |
1358 |
ENDDO |
1359 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1360 |
|
1361 |
#ifdef ALLOW_AUTODIFF_TAMC |
1362 |
CADJ STORE hsalt(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1363 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1364 |
|
1365 |
DO J=1,sNy |
1366 |
DO I=1,sNx |
1367 |
C sum up the terms that affect the salt content of the ice pack |
1368 |
tmpscal1=d_HEFFbyOCNonICE(I,J)+d_HEFFbyATMonOCN(I,J) |
1369 |
|
1370 |
C recompute HEFF before thermodynamic updates (which is not AREApreTH in legacy code) |
1371 |
tmpscal2=HEFF(I,J,bi,bj)-tmpscal1-d_HEFFbyFLOODING(I,J) |
1372 |
C tmpscal1 > 0 : m of sea ice that is created |
1373 |
IF ( tmpscal1 .GE. 0.0 ) THEN |
1374 |
saltFlux(I,J,bi,bj) = |
1375 |
& HEFFM(I,J,bi,bj)*recip_deltaTtherm |
1376 |
& *SEAICE_saltFrac*salt(I,J,kSurface,bi,bj) |
1377 |
& *tmpscal1*SEAICE_rhoIce |
1378 |
#ifdef ALLOW_SALT_PLUME |
1379 |
C saltPlumeFlux is defined only during freezing: |
1380 |
saltPlumeFlux(I,J,bi,bj)= |
1381 |
& HEFFM(I,J,bi,bj)*recip_deltaTtherm |
1382 |
& *(ONE-SEAICE_saltFrac)*salt(I,J,kSurface,bi,bj) |
1383 |
& *tmpscal1*SEAICE_rhoIce |
1384 |
& *SPsalFRAC |
1385 |
C if SaltPlumeSouthernOcean=.FALSE. turn off salt plume in Southern Ocean |
1386 |
IF ( .NOT. SaltPlumeSouthernOcean ) THEN |
1387 |
IF ( YC(I,J,bi,bj) .LT. 0.0 _d 0 ) |
1388 |
& saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
1389 |
ENDIF |
1390 |
#endif /* ALLOW_SALT_PLUME */ |
1391 |
|
1392 |
C tmpscal1 < 0 : m of sea ice that is melted |
1393 |
ELSE |
1394 |
saltFlux(I,J,bi,bj) = |
1395 |
& HEFFM(I,J,bi,bj)*recip_deltaTtherm |
1396 |
& *HSALT(I,J,bi,bj) |
1397 |
& *tmpscal1/tmpscal2 |
1398 |
#ifdef ALLOW_SALT_PLUME |
1399 |
saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
1400 |
#endif /* ALLOW_SALT_PLUME */ |
1401 |
ENDIF |
1402 |
C update HSALT based on surface saltFlux |
1403 |
HSALT(I,J,bi,bj) = HSALT(I,J,bi,bj) + |
1404 |
& saltFlux(I,J,bi,bj) * SEAICE_deltaTtherm |
1405 |
saltFlux(I,J,bi,bj) = |
1406 |
& saltFlux(I,J,bi,bj) + saltFluxAdjust(I,J) |
1407 |
#ifdef SEAICE_GROWTH_LEGACY |
1408 |
C set HSALT = 0 if HEFF = 0 and compute salt to dump into ocean |
1409 |
IF ( HEFF(I,J,bi,bj) .EQ. 0.0 ) THEN |
1410 |
saltFlux(I,J,bi,bj) = saltFlux(I,J,bi,bj) - |
1411 |
& HEFFM(I,J,bi,bj) * HSALT(I,J,bi,bj) * recip_deltaTtherm |
1412 |
HSALT(I,J,bi,bj) = 0.0 _d 0 |
1413 |
#ifdef ALLOW_SALT_PLUME |
1414 |
saltPlumeFlux(i,j,bi,bj) = 0.0 _d 0 |
1415 |
#endif /* ALLOW_SALT_PLUME */ |
1416 |
ENDIF |
1417 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1418 |
ENDDO |
1419 |
ENDDO |
1420 |
#endif /* SEAICE_VARIABLE_SALINITY */ |
1421 |
|
1422 |
|
1423 |
C ======================================================================= |
1424 |
C ==LEGACY PART 6 (LEGACY) treat pathological cases, then do flooding === |
1425 |
C ======================================================================= |
1426 |
|
1427 |
#ifdef SEAICE_GROWTH_LEGACY |
1428 |
|
1429 |
C treat values of ice cover fraction oustide |
1430 |
C the [0 1] range, and other such issues. |
1431 |
C =========================================== |
1432 |
|
1433 |
Cgf note: this part cannot be heat and water conserving |
1434 |
|
1435 |
#ifdef ALLOW_AUTODIFF_TAMC |
1436 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
1437 |
CADJ & key = iicekey, byte = isbyte |
1438 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj, |
1439 |
CADJ & key = iicekey, byte = isbyte |
1440 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1441 |
DO J=1,sNy |
1442 |
DO I=1,sNx |
1443 |
C NOW SET AREA(I,J,bi,bj)=0 WHERE THERE IS NO ICE |
1444 |
CML replaced "/.0001 _d 0" by "*1. _d 4", 1e-4 is probably |
1445 |
CML meant to be something like a minimum thickness |
1446 |
AREA(I,J,bi,bj)=MIN(AREA(I,J,bi,bj),HEFF(I,J,bi,bj)*1. _d 4) |
1447 |
ENDDO |
1448 |
ENDDO |
1449 |
|
1450 |
#ifdef ALLOW_AUTODIFF_TAMC |
1451 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
1452 |
CADJ & key = iicekey, byte = isbyte |
1453 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1454 |
DO J=1,sNy |
1455 |
DO I=1,sNx |
1456 |
C NOW TRUNCATE AREA |
1457 |
AREA(I,J,bi,bj)=MIN(ONE,AREA(I,J,bi,bj)) |
1458 |
ENDDO |
1459 |
ENDDO |
1460 |
|
1461 |
#ifdef ALLOW_AUTODIFF_TAMC |
1462 |
CADJ STORE area(:,:,bi,bj) = comlev1_bibj, |
1463 |
CADJ & key = iicekey, byte = isbyte |
1464 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj, |
1465 |
CADJ & key = iicekey, byte = isbyte |
1466 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1467 |
DO J=1,sNy |
1468 |
DO I=1,sNx |
1469 |
AREA(I,J,bi,bj) = MAX(ZERO,AREA(I,J,bi,bj)) |
1470 |
HSNOW(I,J,bi,bj) = MAX(ZERO,HSNOW(I,J,bi,bj)) |
1471 |
AREA(I,J,bi,bj) = AREA(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
1472 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
1473 |
#ifdef SEAICE_CAP_HEFF |
1474 |
C This is not energy conserving, but at least it conserves fresh water |
1475 |
tmpscal0 = -MAX(HEFF(I,J,bi,bj)-MAX_HEFF,0. _d 0) |
1476 |
d_HEFFbyNeg(I,J) = d_HEFFbyNeg(I,J) + tmpscal0 |
1477 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj) + tmpscal0 |
1478 |
#endif /* SEAICE_CAP_HEFF */ |
1479 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)*HEFFM(I,J,bi,bj) |
1480 |
ENDDO |
1481 |
ENDDO |
1482 |
|
1483 |
C convert snow to ice if submerged. |
1484 |
C ================================= |
1485 |
|
1486 |
IF ( SEAICEuseFlooding ) THEN |
1487 |
DO J=1,sNy |
1488 |
DO I=1,sNx |
1489 |
tmpscal0 = (HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1490 |
& +HEFF(I,J,bi,bj)*SEAICE_rhoIce)*recip_rhoConst |
1491 |
tmpscal1 = MAX( 0. _d 0, tmpscal0 - HEFF(I,J,bi,bj)) |
1492 |
d_HEFFbyFLOODING(I,J)=tmpscal1 |
1493 |
HEFF(I,J,bi,bj) = HEFF(I,J,bi,bj)+d_HEFFbyFLOODING(I,J) |
1494 |
HSNOW(I,J,bi,bj) = HSNOW(I,J,bi,bj)- |
1495 |
& d_HEFFbyFLOODING(I,J)*ICE2SNOW |
1496 |
ENDDO |
1497 |
ENDDO |
1498 |
ENDIF |
1499 |
|
1500 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1501 |
|
1502 |
#ifdef ALLOW_SITRACER |
1503 |
DO J=1,sNy |
1504 |
DO I=1,sNx |
1505 |
c needs to be here to allow use also with LEGACY branch |
1506 |
SItrHEFF(I,J,bi,bj,5)=HEFF(I,J,bi,bj) |
1507 |
ENDDO |
1508 |
ENDDO |
1509 |
#endif /* ALLOW_SITRACER */ |
1510 |
|
1511 |
C =================================================================== |
1512 |
C ==============PART 7: determine ocean model forcing================ |
1513 |
C =================================================================== |
1514 |
|
1515 |
C compute net heat flux leaving/entering the ocean, |
1516 |
C accounting for the part used in melt/freeze processes |
1517 |
C ===================================================== |
1518 |
|
1519 |
#ifdef ALLOW_AUTODIFF_TAMC |
1520 |
CADJ STORE d_hsnwbyneg = comlev1_bibj,key=iicekey,byte=isbyte |
1521 |
CADJ STORE d_hsnwbyocnonsnw = comlev1_bibj,key=iicekey,byte=isbyte |
1522 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1523 |
|
1524 |
DO J=1,sNy |
1525 |
DO I=1,sNx |
1526 |
QNET(I,J,bi,bj) = r_QbyATM_cover(I,J) + r_QbyATM_open(I,J) |
1527 |
#ifndef SEAICE_GROWTH_LEGACY |
1528 |
C in principle a_QSWbyATM_cover should always be included here, however |
1529 |
C for backward compatibility it is left out of the LEGACY branch |
1530 |
& + a_QSWbyATM_cover(I,J) |
1531 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1532 |
& - ( d_HEFFbyOCNonICE(I,J) + |
1533 |
& d_HSNWbyOCNonSNW(I,J)*SNOW2ICE + |
1534 |
& d_HEFFbyNEG(I,J) + |
1535 |
#ifdef SEAICE_ALLOW_AREA_RELAXATION |
1536 |
& d_HEFFbyRLX(I,J) + |
1537 |
#endif |
1538 |
& d_HSNWbyNEG(I,J)*SNOW2ICE ) |
1539 |
& * maskC(I,J,kSurface,bi,bj) |
1540 |
QSW(I,J,bi,bj) = a_QSWbyATM_cover(I,J) + a_QSWbyATM_open(I,J) |
1541 |
ENDDO |
1542 |
ENDDO |
1543 |
|
1544 |
C switch heat fluxes from 'effective' ice meters to W/m2 |
1545 |
C ====================================================== |
1546 |
|
1547 |
DO J=1,sNy |
1548 |
DO I=1,sNx |
1549 |
QNET(I,J,bi,bj) = QNET(I,J,bi,bj)*convertHI2Q |
1550 |
QSW(I,J,bi,bj) = QSW(I,J,bi,bj)*convertHI2Q |
1551 |
ENDDO |
1552 |
ENDDO |
1553 |
|
1554 |
#ifndef SEAICE_DISABLE_HEATCONSFIX |
1555 |
C treat advective heat flux by ocean to ice water exchange (at 0decC) |
1556 |
C =================================================================== |
1557 |
# ifdef ALLOW_AUTODIFF_TAMC |
1558 |
CADJ STORE d_HEFFbyNEG = comlev1_bibj,key=iicekey,byte=isbyte |
1559 |
CADJ STORE d_HEFFbyOCNonICE = comlev1_bibj,key=iicekey,byte=isbyte |
1560 |
CADJ STORE d_HEFFbyATMonOCN = comlev1_bibj,key=iicekey,byte=isbyte |
1561 |
CADJ STORE d_HSNWbyNEG = comlev1_bibj,key=iicekey,byte=isbyte |
1562 |
CADJ STORE d_HSNWbyOCNonSNW = comlev1_bibj,key=iicekey,byte=isbyte |
1563 |
CADJ STORE d_HSNWbyATMonSNW = comlev1_bibj,key=iicekey,byte=isbyte |
1564 |
CADJ STORE theta(:,:,kSurface,bi,bj) = comlev1_bibj, |
1565 |
CADJ & key = iicekey, byte = isbyte |
1566 |
# endif /* ALLOW_AUTODIFF_TAMC */ |
1567 |
IF ( SEAICEheatConsFix ) THEN |
1568 |
c Unlike for evap and precip, the temperature of gained/lost |
1569 |
c ocean liquid water due to melt/freeze of solid water cannot be chosen |
1570 |
c to be e.g. the ocean SST. It must be done at 0degC. The fix below anticipates |
1571 |
c on external_forcing_surf.F and applies the correction to QNET. |
1572 |
IF ((convertFW2Salt.EQ.-1.).OR.(temp_EvPrRn.EQ.UNSET_RL)) THEN |
1573 |
c I leave alone the exotic case when onvertFW2Salt.NE.-1 and temp_EvPrRn.NE.UNSET_RL and |
1574 |
c the small error of the synchronous time stepping case (see external_forcing_surf.F). |
1575 |
DO J=1,sNy |
1576 |
DO I=1,sNx |
1577 |
#ifdef ALLOW_DIAGNOSTICS |
1578 |
c store unaltered QNET for diagnostic purposes |
1579 |
DIAGarrayA(I,J)=QNET(I,J,bi,bj) |
1580 |
#endif |
1581 |
c compute the ocean water going to ice/snow, in precip units |
1582 |
tmpscal3=rhoConstFresh*maskC(I,J,kSurface,bi,bj)* |
1583 |
& ( d_HSNWbyATMonSNW(I,J)*SNOW2ICE |
1584 |
& + d_HSNWbyOCNonSNW(I,J)*SNOW2ICE |
1585 |
& + d_HEFFbyOCNonICE(I,J) + d_HEFFbyATMonOCN(I,J) |
1586 |
& + d_HEFFbyNEG(I,J) + d_HSNWbyNEG(I,J)*SNOW2ICE ) |
1587 |
& * convertHI2PRECIP |
1588 |
c factor in the heat content that external_forcing_surf.F |
1589 |
c will associate with EMPMR, and remove it from QNET, so that |
1590 |
c melt/freez water is in effect consistently gained/lost at 0degC |
1591 |
IF (temp_EvPrRn.NE.UNSET_RL) THEN |
1592 |
QNET(I,J,bi,bj)=QNET(I,J,bi,bj) - tmpscal3* |
1593 |
& HeatCapacity_Cp * temp_EvPrRn |
1594 |
ELSE |
1595 |
QNET(I,J,bi,bj)=QNET(I,J,bi,bj) - tmpscal3* |
1596 |
& HeatCapacity_Cp * theta(I,J,kSurface,bi,bj) |
1597 |
ENDIF |
1598 |
#ifdef ALLOW_DIAGNOSTICS |
1599 |
c back out the eventual TFLUX adjustement and fill diag |
1600 |
DIAGarrayA(I,J)=QNET(I,J,bi,bj)-DIAGarrayA(I,J) |
1601 |
#endif |
1602 |
ENDDO |
1603 |
ENDDO |
1604 |
ENDIF |
1605 |
#ifdef ALLOW_DIAGNOSTICS |
1606 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
1607 |
& 'SIaaflux',0,1,3,bi,bj,myThid) |
1608 |
#endif |
1609 |
ENDIF |
1610 |
#endif /* ndef SEAICE_DISABLE_HEATCONSFIX */ |
1611 |
|
1612 |
C compute net fresh water flux leaving/entering |
1613 |
C the ocean, accounting for fresh/salt water stocks. |
1614 |
C ================================================== |
1615 |
|
1616 |
#ifdef ALLOW_ATM_TEMP |
1617 |
DO J=1,sNy |
1618 |
DO I=1,sNx |
1619 |
tmpscal1= d_HSNWbyATMonSNW(I,J)*SNOW2ICE |
1620 |
& +d_HFRWbyRAIN(I,J) |
1621 |
& +d_HSNWbyOCNonSNW(I,J)*SNOW2ICE |
1622 |
& +d_HEFFbyOCNonICE(I,J) |
1623 |
& +d_HEFFbyATMonOCN(I,J) |
1624 |
& +d_HEFFbyNEG(I,J) |
1625 |
#ifdef SEAICE_ALLOW_AREA_RELAXATION |
1626 |
& +d_HEFFbyRLX(I,J) |
1627 |
#endif |
1628 |
& +d_HSNWbyNEG(I,J)*SNOW2ICE |
1629 |
C If r_FWbySublim>0, then it is evaporated from ocean. |
1630 |
& +r_FWbySublim(I,J) |
1631 |
EmPmR(I,J,bi,bj) = maskC(I,J,kSurface,bi,bj)*( |
1632 |
& ( EVAP(I,J,bi,bj)-PRECIP(I,J,bi,bj) ) |
1633 |
& * ( ONE - AREApreTH(I,J) ) |
1634 |
#ifdef ALLOW_RUNOFF |
1635 |
& - RUNOFF(I,J,bi,bj) |
1636 |
#endif /* ALLOW_RUNOFF */ |
1637 |
& + tmpscal1*convertHI2PRECIP |
1638 |
& )*rhoConstFresh |
1639 |
ENDDO |
1640 |
ENDDO |
1641 |
|
1642 |
#ifdef ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION |
1643 |
C-- |
1644 |
DO J=1,sNy |
1645 |
DO I=1,sNx |
1646 |
frWtrAtm(I,J,bi,bj) = maskC(I,J,kSurface,bi,bj)*( |
1647 |
& PRECIP(I,J,bi,bj) |
1648 |
& - EVAP(I,J,bi,bj)*( ONE - AREApreTH(I,J) ) |
1649 |
# ifdef ALLOW_RUNOFF |
1650 |
& + RUNOFF(I,J,bi,bj) |
1651 |
# endif /* ALLOW_RUNOFF */ |
1652 |
& )*rhoConstFresh |
1653 |
# ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET |
1654 |
& - a_FWbySublim(I,J)*AREApreTH(I,J) |
1655 |
# endif /* SEAICE_ADD_SUBLIMATION_TO_FWBUDGET */ |
1656 |
ENDDO |
1657 |
ENDDO |
1658 |
C-- |
1659 |
#else /* ndef ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION */ |
1660 |
C-- |
1661 |
# ifdef ALLOW_MEAN_SFLUX_COST_CONTRIBUTION |
1662 |
DO J=1,sNy |
1663 |
DO I=1,sNx |
1664 |
frWtrAtm(I,J,bi,bj) = maskC(I,J,kSurface,bi,bj)*( |
1665 |
& PRECIP(I,J,bi,bj) |
1666 |
& - EVAP(I,J,bi,bj) |
1667 |
& *( ONE - AREApreTH(I,J) ) |
1668 |
# ifdef ALLOW_RUNOFF |
1669 |
& + RUNOFF(I,J,bi,bj) |
1670 |
# endif /* ALLOW_RUNOFF */ |
1671 |
& )*rhoConstFresh |
1672 |
& - a_FWbySublim(I,J) * SEAICE_rhoIce * recip_deltaTtherm |
1673 |
ENDDO |
1674 |
ENDDO |
1675 |
# endif |
1676 |
C-- |
1677 |
#endif /* ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION */ |
1678 |
|
1679 |
#endif /* ALLOW_ATM_TEMP */ |
1680 |
|
1681 |
#ifdef SEAICE_DEBUG |
1682 |
CALL PLOT_FIELD_XYRL( QSW,'Current QSW ', myIter, myThid ) |
1683 |
CALL PLOT_FIELD_XYRL( QNET,'Current QNET ', myIter, myThid ) |
1684 |
CALL PLOT_FIELD_XYRL( EmPmR,'Current EmPmR ', myIter, myThid ) |
1685 |
#endif /* SEAICE_DEBUG */ |
1686 |
|
1687 |
C Sea Ice Load on the sea surface. |
1688 |
C ================================= |
1689 |
|
1690 |
#ifdef ALLOW_AUTODIFF_TAMC |
1691 |
CADJ STORE heff(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1692 |
CADJ STORE hsnow(:,:,bi,bj) = comlev1_bibj,key=iicekey,byte=isbyte |
1693 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
1694 |
|
1695 |
IF ( useRealFreshWaterFlux ) THEN |
1696 |
DO J=1,sNy |
1697 |
DO I=1,sNx |
1698 |
#ifdef SEAICE_CAP_ICELOAD |
1699 |
tmpscal1 = HEFF(I,J,bi,bj)*SEAICE_rhoIce |
1700 |
& + HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1701 |
tmpscal2 = MIN(tmpscal1,heffTooHeavy*rhoConst) |
1702 |
#else |
1703 |
tmpscal2 = HEFF(I,J,bi,bj)*SEAICE_rhoIce |
1704 |
& + HSNOW(I,J,bi,bj)*SEAICE_rhoSnow |
1705 |
#endif |
1706 |
sIceLoad(i,j,bi,bj) = tmpscal2 |
1707 |
ENDDO |
1708 |
ENDDO |
1709 |
ENDIF |
1710 |
|
1711 |
C =================================================================== |
1712 |
C ======================PART 8: diagnostics========================== |
1713 |
C =================================================================== |
1714 |
|
1715 |
#ifdef ALLOW_DIAGNOSTICS |
1716 |
IF ( useDiagnostics ) THEN |
1717 |
tmpscal1=1. _d 0 * recip_deltaTtherm |
1718 |
CALL DIAGNOSTICS_SCALE_FILL(a_QbyATM_cover, |
1719 |
& tmpscal1,1,'SIaQbATC',0,1,3,bi,bj,myThid) |
1720 |
CALL DIAGNOSTICS_SCALE_FILL(a_QbyATM_open, |
1721 |
& tmpscal1,1,'SIaQbATO',0,1,3,bi,bj,myThid) |
1722 |
CALL DIAGNOSTICS_SCALE_FILL(a_QbyOCN, |
1723 |
& tmpscal1,1,'SIaQbOCN',0,1,3,bi,bj,myThid) |
1724 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyOCNonICE, |
1725 |
& tmpscal1,1,'SIdHbOCN',0,1,3,bi,bj,myThid) |
1726 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyATMonOCN_cover, |
1727 |
& tmpscal1,1,'SIdHbATC',0,1,3,bi,bj,myThid) |
1728 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyATMonOCN_open, |
1729 |
& tmpscal1,1,'SIdHbATO',0,1,3,bi,bj,myThid) |
1730 |
CALL DIAGNOSTICS_SCALE_FILL(d_HEFFbyFLOODING, |
1731 |
& tmpscal1,1,'SIdHbFLO',0,1,3,bi,bj,myThid) |
1732 |
CALL DIAGNOSTICS_SCALE_FILL(d_HSNWbyOCNonSNW, |
1733 |
& tmpscal1,1,'SIdSbOCN',0,1,3,bi,bj,myThid) |
1734 |
CALL DIAGNOSTICS_SCALE_FILL(d_HSNWbyATMonSNW, |
1735 |
& tmpscal1,1,'SIdSbATC',0,1,3,bi,bj,myThid) |
1736 |
CALL DIAGNOSTICS_SCALE_FILL(d_AREAbyATM, |
1737 |
& tmpscal1,1,'SIdAbATO',0,1,3,bi,bj,myThid) |
1738 |
CALL DIAGNOSTICS_SCALE_FILL(d_AREAbyICE, |
1739 |
& tmpscal1,1,'SIdAbATC',0,1,3,bi,bj,myThid) |
1740 |
CALL DIAGNOSTICS_SCALE_FILL(d_AREAbyOCN, |
1741 |
& tmpscal1,1,'SIdAbOCN',0,1,3,bi,bj,myThid) |
1742 |
CALL DIAGNOSTICS_SCALE_FILL(r_QbyATM_open, |
1743 |
& convertHI2Q,1, 'SIqneto ',0,1,3,bi,bj,myThid) |
1744 |
CALL DIAGNOSTICS_SCALE_FILL(r_QbyATM_cover, |
1745 |
& convertHI2Q,1, 'SIqneti ',0,1,3,bi,bj,myThid) |
1746 |
C three that actually need intermediate storage |
1747 |
DO J=1,sNy |
1748 |
DO I=1,sNx |
1749 |
DIAGarrayA(I,J) = maskC(I,J,kSurface,bi,bj) |
1750 |
& * d_HSNWbyRAIN(I,J)*SEAICE_rhoSnow*recip_deltaTtherm |
1751 |
DIAGarrayB(I,J) = AREA(I,J,bi,bj)-AREApreTH(I,J) |
1752 |
ENDDO |
1753 |
ENDDO |
1754 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
1755 |
& 'SIsnPrcp',0,1,3,bi,bj,myThid) |
1756 |
CALL DIAGNOSTICS_SCALE_FILL(DIAGarrayB, |
1757 |
& tmpscal1,1,'SIdA ',0,1,3,bi,bj,myThid) |
1758 |
#ifdef ALLOW_ATM_TEMP |
1759 |
DO J=1,sNy |
1760 |
DO I=1,sNx |
1761 |
CML If I consider the atmosphere above the ice, the surface flux |
1762 |
CML which is relevant for the air temperature dT/dt Eq |
1763 |
CML accounts for sensible and radiation (with different treatment |
1764 |
CML according to wave-length) fluxes but not for "latent heat flux", |
1765 |
CML since it does not contribute to heating the air. |
1766 |
CML So this diagnostic is only good for heat budget calculations within |
1767 |
CML the ice-ocean system. |
1768 |
DIAGarrayA(I,J) = maskC(I,J,kSurface,bi,bj)*convertHI2Q*( |
1769 |
#ifndef SEAICE_GROWTH_LEGACY |
1770 |
& a_QSWbyATM_cover(I,J) + |
1771 |
#endif /* SEAICE_GROWTH_LEGACY */ |
1772 |
& a_QbyATM_cover(I,J) + a_QbyATM_open(I,J) ) |
1773 |
C |
1774 |
DIAGarrayB(I,J) = maskC(I,J,kSurface,bi,bj) * |
1775 |
& a_FWbySublim(I,J) * SEAICE_rhoIce * recip_deltaTtherm |
1776 |
C |
1777 |
DIAGarrayC(I,J) = maskC(I,J,kSurface,bi,bj)*( |
1778 |
& PRECIP(I,J,bi,bj) |
1779 |
& - EVAP(I,J,bi,bj)*( ONE - AREApreTH(I,J) ) |
1780 |
#ifdef ALLOW_RUNOFF |
1781 |
& + RUNOFF(I,J,bi,bj) |
1782 |
#endif /* ALLOW_RUNOFF */ |
1783 |
& )*rhoConstFresh |
1784 |
& - a_FWbySublim(I,J) * SEAICE_rhoIce * recip_deltaTtherm |
1785 |
ENDDO |
1786 |
ENDDO |
1787 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
1788 |
& 'SIatmQnt',0,1,3,bi,bj,myThid) |
1789 |
CALL DIAGNOSTICS_FILL(DIAGarrayB, |
1790 |
& 'SIfwSubl',0,1,3,bi,bj,myThid) |
1791 |
CALL DIAGNOSTICS_FILL(DIAGarrayC, |
1792 |
& 'SIatmFW ',0,1,3,bi,bj,myThid) |
1793 |
C |
1794 |
DO J=1,sNy |
1795 |
DO I=1,sNx |
1796 |
C the actual Freshwater flux of sublimated ice, >0 decreases ice |
1797 |
DIAGarrayA(I,J) = maskC(I,J,kSurface,bi,bj) |
1798 |
& * (a_FWbySublim(I,J)-r_FWbySublim(I,J)) |
1799 |
& * SEAICE_rhoIce * recip_deltaTtherm |
1800 |
c the residual Freshwater flux of sublimated ice |
1801 |
DIAGarrayC(I,J) = maskC(I,J,kSurface,bi,bj) |
1802 |
& * r_FWbySublim(I,J) |
1803 |
& * SEAICE_rhoIce * recip_deltaTtherm |
1804 |
C the latent heat flux |
1805 |
tmpscal1= EVAP(I,J,bi,bj)*( ONE - AREApreTH(I,J) ) |
1806 |
& + r_FWbySublim(I,J)*convertHI2PRECIP |
1807 |
tmpscal2= ( a_FWbySublim(I,J)-r_FWbySublim(I,J) ) |
1808 |
& * convertHI2PRECIP |
1809 |
tmpscal3= SEAICE_lhEvap+SEAICE_lhFusion |
1810 |
DIAGarrayB(I,J) = -maskC(I,J,kSurface,bi,bj)*rhoConstFresh |
1811 |
& * ( tmpscal1*SEAICE_lhEvap + tmpscal2*tmpscal3 ) |
1812 |
ENDDO |
1813 |
ENDDO |
1814 |
CALL DIAGNOSTICS_FILL(DIAGarrayA,'SIacSubl',0,1,3,bi,bj,myThid) |
1815 |
CALL DIAGNOSTICS_FILL(DIAGarrayC,'SIrsSubl',0,1,3,bi,bj,myThid) |
1816 |
CALL DIAGNOSTICS_FILL(DIAGarrayB,'SIhl ',0,1,3,bi,bj,myThid) |
1817 |
|
1818 |
DO J=1,sNy |
1819 |
DO I=1,sNx |
1820 |
c compute ice/snow water going to atm, in precip units |
1821 |
tmpscal1 = rhoConstFresh*maskC(I,J,kSurface,bi,bj) |
1822 |
& * convertHI2PRECIP * ( - d_HSNWbyRAIN(I,J)*SNOW2ICE |
1823 |
& + a_FWbySublim(I,J) - r_FWbySublim(I,J) ) |
1824 |
c compute ocean water going to atm, in precip units |
1825 |
tmpscal2=rhoConstFresh*maskC(I,J,kSurface,bi,bj)* |
1826 |
& ( ( EVAP(I,J,bi,bj)-PRECIP(I,J,bi,bj) ) |
1827 |
& * ( ONE - AREApreTH(I,J) ) |
1828 |
#ifdef ALLOW_RUNOFF |
1829 |
& - RUNOFF(I,J,bi,bj) |
1830 |
#endif /* ALLOW_RUNOFF */ |
1831 |
& + ( d_HFRWbyRAIN(I,J) + r_FWbySublim(I,J) ) |
1832 |
& *convertHI2PRECIP ) |
1833 |
c factor in the advected specific energy (referenced to 0 for 0deC liquid water) |
1834 |
tmpscal1= - tmpscal1* |
1835 |
& ( -SEAICE_lhFusion + HeatCapacity_Cp * ZERO ) |
1836 |
IF (temp_EvPrRn.NE.UNSET_RL) THEN |
1837 |
tmpscal2= - tmpscal2* |
1838 |
& ( ZERO + HeatCapacity_Cp * temp_EvPrRn ) |
1839 |
ELSE |
1840 |
tmpscal2= - tmpscal2* |
1841 |
& ( ZERO + HeatCapacity_Cp * theta(I,J,kSurface,bi,bj) ) |
1842 |
ENDIF |
1843 |
c add to SIatmQnt, leading to SItflux, which is analogous to TFLUX |
1844 |
DIAGarrayA(I,J)=maskC(I,J,kSurface,bi,bj)*convertHI2Q*( |
1845 |
#ifndef SEAICE_GROWTH_LEGACY |
1846 |
& a_QSWbyATM_cover(I,J) + |
1847 |
#endif |
1848 |
& a_QbyATM_cover(I,J) + a_QbyATM_open(I,J) ) |
1849 |
& -tmpscal1-tmpscal2 |
1850 |
ENDDO |
1851 |
ENDDO |
1852 |
CALL DIAGNOSTICS_FILL(DIAGarrayA, |
1853 |
& 'SItflux ',0,1,3,bi,bj,myThid) |
1854 |
#endif /* ALLOW_ATM_TEMP */ |
1855 |
|
1856 |
ENDIF |
1857 |
#endif /* ALLOW_DIAGNOSTICS */ |
1858 |
|
1859 |
C close bi,bj loops |
1860 |
ENDDO |
1861 |
ENDDO |
1862 |
|
1863 |
RETURN |
1864 |
END |