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C $Header: /u/gcmpack/MITgcm/verification/tutorial_global_oce_optim/code_ad/FFIELDS.h,v 1.4 2011/04/15 20:15:51 jmc Exp $ |
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C $Name: $ |
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CBOP |
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C !ROUTINE: FFIELDS.h |
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C !INTERFACE: |
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C include "FFIELDS.h" |
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C !DESCRIPTION: |
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C \bv |
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C *==========================================================* |
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C | FFIELDS.h |
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C | o Model forcing fields |
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C *==========================================================* |
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C | More flexible surface forcing configurations are |
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C | available via pkg/exf and pkg/seaice |
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C *==========================================================* |
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C \ev |
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CEOP |
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C |
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C fu :: Zonal surface wind stress in N/m^2 |
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C > 0 for increase in uVel, which is west to |
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C east for cartesian and spherical polar grids |
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C Typical range: -0.5 < fu < 0.5 |
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C Southwest C-grid U point |
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C |
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C fv :: Meridional surface wind stress in N/m^2 |
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C > 0 for increase in vVel, which is south to |
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C north for cartesian and spherical polar grids |
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C Typical range: -0.5 < fv < 0.5 |
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C Southwest C-grid V point |
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C |
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C EmPmR :: Net upward freshwater flux in kg/m2/s |
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C EmPmR = Evaporation - precipitation - runoff |
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C > 0 for increase in salt (ocean salinity) |
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C Typical range: -1e-4 < EmPmR < 1e-4 |
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C Southwest C-grid tracer point |
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C NOTE: for backward compatibility EmPmRfile is specified in |
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C m/s when using external_fields_load.F. It is converted |
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C to kg/m2/s by multiplying by rhoConstFresh. |
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C |
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C saltFlux :: Net upward salt flux in psu.kg/m^2/s |
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C flux of Salt taken out of the ocean per time unit (second). |
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C Note: a) only used when salty sea-ice forms or melts. |
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C b) units: when salinity (unit= psu) is expressed |
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C in g/kg, saltFlux unit becomes g/m^2/s. |
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C > 0 for decrease in SSS. |
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C Southwest C-grid tracer point |
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C |
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C Qnet :: Net upward surface heat flux (including shortwave) in W/m^2 |
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C Qnet = latent + sensible + net longwave + net shortwave |
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C > 0 for decrease in theta (ocean cooling) |
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C Typical range: -250 < Qnet < 600 |
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C Southwest C-grid tracer point |
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C |
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C Qsw :: Net upward shortwave radiation in W/m^2 |
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C Qsw = - ( downward - ice and snow absorption - reflected ) |
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C > 0 for decrease in theta (ocean cooling) |
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C Typical range: -350 < Qsw < 0 |
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C Southwest C-grid tracer point |
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C |
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C dQdT :: Thermal relaxation coefficient in W/m^2/degrees |
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C Southwest C-grid tracer point |
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C |
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C SST :: Sea surface temperature in degrees C for relaxation |
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C Southwest C-grid tracer point |
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C |
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C SSS :: Sea surface salinity in psu for relaxation |
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C Southwest C-grid tracer point |
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C |
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C lambdaThetaClimRelax :: Inverse time scale for relaxation ( 1/s ). |
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C |
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C lambdaSaltClimRelax :: Inverse time scale for relaxation ( 1/s ). |
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C pLoad :: for the ocean: atmospheric pressure at z=eta |
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C Units are Pa=N/m^2 |
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C for the atmosphere: geopotential of the orography |
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C Units are meters (converted) |
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C sIceLoad :: sea-ice loading, expressed in Mass of ice+snow / area unit |
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C Units are kg/m^2 |
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C Note: only used with Sea-Ice & RealFreshWater formulation |
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C eddyPsiX -Zonal Eddy Streamfunction in m^2/s used in taueddy_external_forcing.F |
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C eddyPsiY -Meridional Streamfunction in m^2/s used in taueddy_external_forcing.F |
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C EfluxY - y-component of Eliassen-Palm flux vector |
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C EfluxP - p-component of Eliassen-Palm flux vector |
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COMMON /FFIELDS_fu/ fu |
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COMMON /FFIELDS_fv/ fv |
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COMMON /FFIELDS_Qnet/ Qnet |
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COMMON /FFIELDS_Qsw/ Qsw |
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COMMON /FFIELDS_dQdT/ dQdT |
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COMMON /FFIELDS_EmPmR/ EmPmR |
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COMMON /FFIELDS_saltFlux/ saltFlux |
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COMMON /FFIELDS_SST/ SST |
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COMMON /FFIELDS_SSS/ SSS |
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COMMON /FFIELDS_lambdaThetaClimRelax/ lambdaThetaClimRelax |
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COMMON /FFIELDS_lambdaSaltClimRelax/ lambdaSaltClimRelax |
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COMMON /FFIELDS_pLoad/ pLoad |
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COMMON /FFIELDS_sIceLoad/ sIceLoad |
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_RS fu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS fv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS Qnet (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS Qsw (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS dQdT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS EmPmR (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS saltFlux (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS SST (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS SSS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS lambdaThetaClimRelax(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS lambdaSaltClimRelax(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS pLoad (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS sIceLoad (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#ifdef ALLOW_HFLUXM_CONTROL |
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COMMON /Mean_qnet/ Qnetm |
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_RS Qnetm (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#endif |
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#ifdef ALLOW_EP_FLUX |
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COMMON /efluxFFIELDS/ EfluxY,EfluxP |
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_RL EfluxY (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL EfluxP (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#endif |
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#ifdef ALLOW_EDDYPSI |
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COMMON /eddypsiFFIELDS/ eddyPsiX,eddyPsiY |
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_RS eddyPsiX (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RS eddyPsiY (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#endif |
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#ifndef EXCLUDE_FFIELDS_LOAD |
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C loadedRec :: time-record currently loaded (in temp arrays *[1]) |
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C taux[0,1] :: Temp. for zonal wind stress |
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C tauy[0,1] :: Temp. for merid. wind stress |
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C Qnet[0,1] :: Temp. for heat flux |
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C EmPmR[0,1] :: Temp. for fresh water flux |
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C saltFlux[0,1] :: Temp. for isurface salt flux |
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C SST[0,1] :: Temp. for theta climatalogy |
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C SSS[0,1] :: Temp. for theta climatalogy |
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C Qsw[0,1] :: Temp. for short wave component of heat flux |
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C pLoad[0,1] :: Temp. for atmospheric pressure at z=eta |
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C [0,1] :: End points for interpolation |
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COMMON /FFIELDS_I/ loadedRec |
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INTEGER loadedRec(nSx,nSy) |
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COMMON /TDFIELDS/ |
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& taux0, tauy0, Qnet0, EmPmR0, SST0, SSS0, |
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& taux1, tauy1, Qnet1, EmPmR1, SST1, SSS1, |
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& saltFlux0, saltFlux1 |
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#ifdef SHORTWAVE_HEATING |
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& , Qsw0, Qsw1 |
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#endif |
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#ifdef ATMOSPHERIC_LOADING |
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& , pLoad0, pLoad1 |
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#endif |
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_RS taux0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS tauy0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS Qnet0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS EmPmR0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS saltFlux0(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS SST0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS SSS0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS taux1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS tauy1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS Qnet1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS EmPmR1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS saltFlux1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS SST1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS SSS1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#ifdef ATMOSPHERIC_LOADING |
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_RS pLoad0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS pLoad1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#endif |
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#ifdef SHORTWAVE_HEATING |
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_RS Qsw1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS Qsw0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#endif |
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#endif /* EXCLUDE_FFIELDS_LOAD */ |
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C surfaceForcingU units are r_unit.m/s^2 (=m^2/s^2 if r=z) |
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C -> usage in gU: gU = gU + surfaceForcingU/drF [m/s^2] |
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C surfaceForcingV units are r_unit.m/s^2 (=m^2/s^-2 if r=z) |
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C -> usage in gU: gV = gV + surfaceForcingV/drF [m/s^2] |
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C |
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C surfaceForcingS units are r_unit.psu/s (=psu.m/s if r=z) |
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C - EmPmR * S_surf plus salinity relaxation*drF(1) |
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C -> usage in gS: gS = gS + surfaceForcingS/drF [psu/s] |
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C |
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C surfaceForcingT units are r_unit.Kelvin/s (=Kelvin.m/s if r=z) |
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C - Qnet (+Qsw) plus temp. relaxation*drF(1) |
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C -> calculate -lambda*(T(model)-T(clim)) |
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C Qnet assumed to be net heat flux including ShortWave rad. |
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C -> usage in gT: gT = gT + surfaceforcingT/drF [K/s] |
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C surfaceForcingTice |
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C - equivalent Temperature flux in the top level that corresponds |
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C to the melting or freezing of sea-ice. |
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C Note that the surface level temperature is modified |
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C directly by the sea-ice model in order to maintain |
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C water temperature under sea-ice at the freezing |
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C point. But we need to keep track of the |
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C equivalent amount of heat that this surface-level |
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C temperature change implies because it is used by |
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C the KPP package (kpp_calc.F and kpp_transport_t.F). |
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C Units are r_unit.K/s (=Kelvin.m/s if r=z) (>0 for ocean warming). |
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COMMON /SURFACE_FORCING/ |
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& surfaceForcingU, |
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& surfaceForcingV, |
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& surfaceForcingT, |
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& surfaceForcingS, |
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& surfaceForcingTice |
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_RL surfaceForcingU (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL surfaceForcingV (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL surfaceForcingT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL surfaceForcingS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL surfaceForcingTice(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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