| 1 |
jmc |
1.45 |
C $Header: /u/gcmpack/MITgcm/model/inc/FFIELDS.h,v 1.44 2013/04/22 02:32:47 jmc Exp $ |
| 2 |
heimbach |
1.14 |
C $Name: $ |
| 3 |
cnh |
1.12 |
CBOP |
| 4 |
jmc |
1.33 |
C !ROUTINE: FFIELDS.h |
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cnh |
1.12 |
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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jmc |
1.33 |
C | FFIELDS.h |
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C | o Model forcing fields |
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cnh |
1.12 |
C *==========================================================* |
| 13 |
dimitri |
1.16 |
C | More flexible surface forcing configurations are |
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C | available via pkg/exf and pkg/seaice |
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cnh |
1.12 |
C *==========================================================* |
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C \ev |
| 17 |
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CEOP |
| 18 |
cnh |
1.1 |
C |
| 19 |
dimitri |
1.16 |
C fu :: Zonal surface wind stress in N/m^2 |
| 20 |
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C > 0 for increase in uVel, which is west to |
| 21 |
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C east for cartesian and spherical polar grids |
| 22 |
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C Typical range: -0.5 < fu < 0.5 |
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C Southwest C-grid U point |
| 24 |
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C |
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C fv :: Meridional surface wind stress in N/m^2 |
| 26 |
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C > 0 for increase in vVel, which is south to |
| 27 |
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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 |
| 30 |
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C |
| 31 |
jmc |
1.35 |
C EmPmR :: Net upward freshwater flux in kg/m2/s |
| 32 |
dimitri |
1.16 |
C EmPmR = Evaporation - precipitation - runoff |
| 33 |
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C > 0 for increase in salt (ocean salinity) |
| 34 |
jmc |
1.35 |
C Typical range: -1e-4 < EmPmR < 1e-4 |
| 35 |
dimitri |
1.16 |
C Southwest C-grid tracer point |
| 36 |
dimitri |
1.37 |
C NOTE: for backward compatibility EmPmRfile is specified in |
| 37 |
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C m/s when using external_fields_load.F. It is converted |
| 38 |
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C to kg/m2/s by multiplying by rhoConstFresh. |
| 39 |
dimitri |
1.16 |
C |
| 40 |
jmc |
1.21 |
C saltFlux :: Net upward salt flux in psu.kg/m^2/s |
| 41 |
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C flux of Salt taken out of the ocean per time unit (second). |
| 42 |
jmc |
1.17 |
C Note: a) only used when salty sea-ice forms or melts. |
| 43 |
jmc |
1.21 |
C b) units: when salinity (unit= psu) is expressed |
| 44 |
jmc |
1.39 |
C in g/kg, saltFlux unit becomes g/m^2/s. |
| 45 |
jmc |
1.17 |
C > 0 for decrease in SSS. |
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C Southwest C-grid tracer point |
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C |
| 48 |
jmc |
1.25 |
C Qnet :: Net upward surface heat flux (including shortwave) in W/m^2 |
| 49 |
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C Qnet = latent + sensible + net longwave + net shortwave |
| 50 |
dimitri |
1.16 |
C > 0 for decrease in theta (ocean cooling) |
| 51 |
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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) |
| 57 |
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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 SST :: Sea surface temperature in degrees C for relaxation |
| 61 |
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C Southwest C-grid tracer point |
| 62 |
adcroft |
1.9 |
C |
| 63 |
dimitri |
1.16 |
C SSS :: Sea surface salinity in psu for relaxation |
| 64 |
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C Southwest C-grid tracer point |
| 65 |
heimbach |
1.7 |
C |
| 66 |
heimbach |
1.29 |
C lambdaThetaClimRelax :: Inverse time scale for relaxation ( 1/s ). |
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C |
| 68 |
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C lambdaSaltClimRelax :: Inverse time scale for relaxation ( 1/s ). |
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| 70 |
jmc |
1.33 |
C pLoad :: for the ocean: atmospheric pressure at z=eta |
| 71 |
mlosch |
1.13 |
C Units are Pa=N/m^2 |
| 72 |
jmc |
1.33 |
C for the atmosphere: geopotential of the orography |
| 73 |
mlosch |
1.13 |
C Units are meters (converted) |
| 74 |
jmc |
1.43 |
C sIceLoad :: sea-ice loading, expressed in Mass of ice+snow / area unit |
| 75 |
jmc |
1.24 |
C Units are kg/m^2 |
| 76 |
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C Note: only used with Sea-Ice & RealFreshWater formulation |
| 77 |
jmc |
1.43 |
C addMass :: source (<0: sink) of fluid in the domain interior |
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C (generalisation of oceanic real fresh-water flux) |
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C Units are kg/s (mass per unit of time) |
| 80 |
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C frictionHeating :: heating caused by friction and momentum dissipation |
| 81 |
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C Units are in Watts [W] (extensive variable) |
| 82 |
gforget |
1.38 |
C eddyPsiX -Zonal Eddy Streamfunction in m^2/s used in taueddy_external_forcing.F |
| 83 |
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C eddyPsiY -Meridional Streamfunction in m^2/s used in taueddy_external_forcing.F |
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heimbach |
1.28 |
C EfluxY - y-component of Eliassen-Palm flux vector |
| 85 |
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C EfluxP - p-component of Eliassen-Palm flux vector |
| 86 |
heimbach |
1.7 |
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heimbach |
1.32 |
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_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 |
| 95 |
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COMMON /FFIELDS_lambdaThetaClimRelax/ lambdaThetaClimRelax |
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COMMON /FFIELDS_lambdaSaltClimRelax/ lambdaSaltClimRelax |
| 97 |
jmc |
1.33 |
COMMON /FFIELDS_pLoad/ pLoad |
| 98 |
heimbach |
1.32 |
COMMON /FFIELDS_sIceLoad/ sIceLoad |
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mlosch |
1.13 |
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cnh |
1.3 |
_RS fu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 101 |
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_RS fv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 102 |
adcroft |
1.6 |
_RS Qnet (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 103 |
heimbach |
1.11 |
_RS Qsw (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 104 |
adcroft |
1.6 |
_RS EmPmR (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 105 |
jmc |
1.17 |
_RS saltFlux (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 106 |
adcroft |
1.4 |
_RS SST (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 107 |
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_RS SSS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 108 |
heimbach |
1.32 |
_RS lambdaThetaClimRelax(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 109 |
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_RS lambdaSaltClimRelax(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 110 |
jmc |
1.33 |
_RS pLoad (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 111 |
jmc |
1.24 |
_RS sIceLoad (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 112 |
heimbach |
1.14 |
|
| 113 |
jmc |
1.43 |
#ifdef ALLOW_FRICTION_HEATING |
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COMMON /FFIELDS_frictionHeat/ frictionHeating |
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_RS frictionHeating(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#endif |
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#ifdef ALLOW_ADDFLUID |
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COMMON /FFIELDS_ADD_FLUID/ addMass |
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_RL addMass(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 120 |
heimbach |
1.28 |
#endif |
| 121 |
jmc |
1.33 |
|
| 122 |
jmc |
1.43 |
C- jmc: commented out until corresponding (ghost-like) code apparition |
| 123 |
jmc |
1.44 |
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 COMMON /FFIELDS_dQdT/ dQdT |
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c _RS dQdT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 127 |
jmc |
1.43 |
c#ifdef ALLOW_EP_FLUX |
| 128 |
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c COMMON /efluxFFIELDS/ EfluxY,EfluxP |
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c _RL EfluxY (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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c _RL EfluxP (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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c#endif |
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gforget |
1.38 |
#ifdef ALLOW_EDDYPSI |
| 134 |
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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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heimbach |
1.28 |
#endif |
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jmc |
1.33 |
#ifndef EXCLUDE_FFIELDS_LOAD |
| 140 |
jmc |
1.41 |
C loadedRec :: time-record currently loaded (in temp arrays *[1]) |
| 141 |
jmc |
1.27 |
C taux[0,1] :: Temp. for zonal wind stress |
| 142 |
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C tauy[0,1] :: Temp. for merid. wind stress |
| 143 |
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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 |
| 145 |
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C saltFlux[0,1] :: Temp. for isurface salt flux |
| 146 |
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C SST[0,1] :: Temp. for theta climatalogy |
| 147 |
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C SSS[0,1] :: Temp. for theta climatalogy |
| 148 |
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C Qsw[0,1] :: Temp. for short wave component of heat flux |
| 149 |
jmc |
1.33 |
C pLoad[0,1] :: Temp. for atmospheric pressure at z=eta |
| 150 |
jmc |
1.27 |
C [0,1] :: End points for interpolation |
| 151 |
jmc |
1.40 |
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| 152 |
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COMMON /FFIELDS_I/ loadedRec |
| 153 |
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INTEGER loadedRec(nSx,nSy) |
| 154 |
heimbach |
1.14 |
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| 155 |
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COMMON /TDFIELDS/ |
| 156 |
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& taux0, tauy0, Qnet0, EmPmR0, SST0, SSS0, |
| 157 |
jmc |
1.27 |
& taux1, tauy1, Qnet1, EmPmR1, SST1, SSS1, |
| 158 |
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& saltFlux0, saltFlux1 |
| 159 |
heimbach |
1.14 |
#ifdef SHORTWAVE_HEATING |
| 160 |
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& , Qsw0, Qsw1 |
| 161 |
jmc |
1.33 |
#endif |
| 162 |
heimbach |
1.14 |
#ifdef ATMOSPHERIC_LOADING |
| 163 |
jmc |
1.33 |
& , pLoad0, pLoad1 |
| 164 |
heimbach |
1.14 |
#endif |
| 165 |
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| 166 |
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_RS taux0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 167 |
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_RS tauy0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 168 |
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_RS Qnet0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 169 |
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_RS EmPmR0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 170 |
jmc |
1.27 |
_RS saltFlux0(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 171 |
heimbach |
1.14 |
_RS SST0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 172 |
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_RS SSS0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 173 |
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_RS taux1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 174 |
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_RS tauy1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 175 |
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_RS Qnet1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 176 |
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_RS EmPmR1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 177 |
jmc |
1.27 |
_RS saltFlux1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 178 |
heimbach |
1.14 |
_RS SST1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 179 |
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_RS SSS1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 180 |
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#ifdef ATMOSPHERIC_LOADING |
| 181 |
jmc |
1.33 |
_RS pLoad0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 182 |
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_RS pLoad1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 183 |
heimbach |
1.14 |
#endif |
| 184 |
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#ifdef SHORTWAVE_HEATING |
| 185 |
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_RS Qsw1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 186 |
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_RS Qsw0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 187 |
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#endif |
| 188 |
jmc |
1.33 |
#endif /* EXCLUDE_FFIELDS_LOAD */ |
| 189 |
heimbach |
1.7 |
|
| 190 |
jmc |
1.26 |
C surfaceForcingU units are r_unit.m/s^2 (=m^2/s^2 if r=z) |
| 191 |
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C -> usage in gU: gU = gU + surfaceForcingU/drF [m/s^2] |
| 192 |
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C surfaceForcingV units are r_unit.m/s^2 (=m^2/s^-2 if r=z) |
| 193 |
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C -> usage in gU: gV = gV + surfaceForcingV/drF [m/s^2] |
| 194 |
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C |
| 195 |
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C surfaceForcingS units are r_unit.psu/s (=psu.m/s if r=z) |
| 196 |
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C - EmPmR * S_surf plus salinity relaxation*drF(1) |
| 197 |
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C -> usage in gS: gS = gS + surfaceForcingS/drF [psu/s] |
| 198 |
heimbach |
1.7 |
C |
| 199 |
jmc |
1.26 |
C surfaceForcingT units are r_unit.Kelvin/s (=Kelvin.m/s if r=z) |
| 200 |
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C - Qnet (+Qsw) plus temp. relaxation*drF(1) |
| 201 |
heimbach |
1.7 |
C -> calculate -lambda*(T(model)-T(clim)) |
| 202 |
jmc |
1.26 |
C Qnet assumed to be net heat flux including ShortWave rad. |
| 203 |
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C -> usage in gT: gT = gT + surfaceforcingT/drF [K/s] |
| 204 |
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C surfaceForcingTice |
| 205 |
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C - equivalent Temperature flux in the top level that corresponds |
| 206 |
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C to the melting or freezing of sea-ice. |
| 207 |
dimitri |
1.22 |
C Note that the surface level temperature is modified |
| 208 |
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C directly by the sea-ice model in order to maintain |
| 209 |
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C water temperature under sea-ice at the freezing |
| 210 |
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C point. But we need to keep track of the |
| 211 |
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C equivalent amount of heat that this surface-level |
| 212 |
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C temperature change implies because it is used by |
| 213 |
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C the KPP package (kpp_calc.F and kpp_transport_t.F). |
| 214 |
jmc |
1.26 |
C Units are r_unit.K/s (=Kelvin.m/s if r=z) (>0 for ocean warming). |
| 215 |
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| 216 |
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COMMON /SURFACE_FORCING/ |
| 217 |
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& surfaceForcingU, |
| 218 |
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& surfaceForcingV, |
| 219 |
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& surfaceForcingT, |
| 220 |
jmc |
1.33 |
& surfaceForcingS, |
| 221 |
jmc |
1.26 |
& surfaceForcingTice |
| 222 |
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_RL surfaceForcingU (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 223 |
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_RL surfaceForcingV (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 224 |
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_RL surfaceForcingT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 225 |
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_RL surfaceForcingS (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 226 |
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_RL surfaceForcingTice(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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