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C $Header: /u/gcmpack/models/MITgcmUV/model/inc/PARAMS.h,v 1.30 1998/09/06 17:35:19 cnh Exp $ |
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C |
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C /==========================================================\ |
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C | PARAMS.h | |
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C | o Header file defining model "parameters". | |
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C |==========================================================| |
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C | The values from the model's standard input file are | |
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C | stored into the variables held here. Notes describing | |
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C | the parameters can also be found here. | |
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C \==========================================================/ |
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|
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C Macros for special grid options |
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#include "PARAMS_MACROS.h" |
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|
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C-- Contants |
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C Useful physical values |
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Real*8 PI |
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PARAMETER ( PI = 3.14159265358979323844D0 ) |
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Real*8 deg2rad |
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PARAMETER ( deg2rad = 2.D0*PI/360.D0 ) |
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|
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C Symbolic values |
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C precXXXX - Used to indicate what precision to use for |
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C dumping model state. |
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INTEGER precFloat32 |
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PARAMETER ( precFloat32 = 0 ) |
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INTEGER precFloat64 |
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PARAMETER ( precFloat64 = 1 ) |
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C UNSET_xxx - Used to indicate variables that have not been given a value |
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Real*8 UNSET_FLOAT8 |
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PARAMETER ( UNSET_FLOAT8 = 1.234567D5 ) |
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Real*4 UNSET_FLOAT4 |
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PARAMETER ( UNSET_FLOAT4 = 1.234567E5 ) |
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_RL UNSET_RL |
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PARAMETER ( UNSET_RL = 1.234567D5 ) |
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_RS UNSET_RS |
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PARAMETER ( UNSET_RS = 1.234567E5 ) |
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INTEGER UNSET_I |
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PARAMETER ( UNSET_I = 123456789 ) |
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|
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C Checkpoint data |
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INTEGER maxNoChkptLev |
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PARAMETER ( maxNoChkptLev = 2 ) |
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|
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C-- COMMON /PARM_C/ Character valued parameters used by the model. |
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C checkPtSuff - List of checkpoint file suffices |
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C bathyFile - File containing bathymetry. If not defined bathymetry |
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C is taken from inline function. |
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C hydrogThetaFile - File containing initial hydrographic data for potential |
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C temperature. |
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C hydrogSaltFile - File containing initial hydrographic data for salinity. |
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C zonalWindFile - File containing zonal wind data |
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C meridWindFile - File containing meridional wind data |
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C thetaClimFile - File containing theta climataology used |
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C in relaxation term -lambda(theta-theta*) |
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C saltClimFile - File containing salt climataology used |
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C in relaxation term -lambda(salt-salt*) |
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C buoyancyRelation - Flag used to indicate which relation to use to |
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C get buoyancy. |
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COMMON /PARM_C/ checkPtSuff, |
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& bathyFile, hydrogThetaFile, hydrogSaltFile, |
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& zonalWindFile, meridWindFile, thetaClimFile, |
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& saltClimFile, buoyancyRelation |
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CHARACTER*(5) checkPtSuff(maxNoChkptLev) |
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CHARACTER*(MAX_LEN_FNAM) bathyFile |
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CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile |
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CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile |
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CHARACTER*(MAX_LEN_FNAM) zonalWindFile |
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CHARACTER*(MAX_LEN_FNAM) meridWindFile |
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CHARACTER*(MAX_LEN_FNAM) thetaClimFile |
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CHARACTER*(MAX_LEN_FNAM) saltClimFile |
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CHARACTER*(MAX_LEN_FNAM) buoyancyRelation |
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|
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C-- COMMON /PARM_I/ Integer valued parameters used by the model. |
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C cg2dMaxIters - Maximum number of iterations in the |
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C two-dimensional con. grad solver. |
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C cg2dChkResFreq - Frequency with which to check residual |
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C in con. grad solver. |
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C nIter0 - Start time-step number of for this run |
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C nTimeSteps - Number of timesteps to execute |
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C numStepsPerPickup - For offline setup. Frequency of pickup |
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C of flow fields. |
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C writeStatePrec - Precision used for writing model state. |
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C writeBinaryPrec - Precision used for writing binary files |
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C readBinaryPrec - Precision used for reading binary files |
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C nCheckLev - Holds current checkpoint level |
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COMMON /PARM_I/ |
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& cg2dMaxIters, |
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& cg2dChkResFreq, |
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& nIter0, nTimeSteps, |
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& numStepsPerPickup, |
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& writeStatePrec, nCheckLev, |
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& writeBinaryPrec, readBinaryPrec |
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INTEGER cg2dMaxIters |
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INTEGER cg2dChkResFreq |
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INTEGER nIter0 |
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INTEGER nTimeSteps |
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INTEGER numStepsPerPickup |
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INTEGER writeStatePrec |
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INTEGER writeBinaryPrec |
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INTEGER readBinaryPrec |
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INTEGER nCheckLev |
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|
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C-- COMMON /PARM_L/ Logical valued parameters used by the model. |
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C usingCartesianGrid - If TRUE grid generation will be in a cartesian |
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C coordinate frame. |
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C usingSphericalPolarGrid - If TRUE grid generation will be in a |
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C spherical polar frame. |
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C momViscosity - Flag which turns momentum friction terms on and off. |
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C momAdvection - Flag which turns advection of momentum on and off. |
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C momForcing - Flag which turns external forcing of momentum on |
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C and off. |
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C momPressureForcing - Flag which turns pressure term in momentum equation |
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C on and off. |
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C metricTerms - Flag which turns metric terms on or off. |
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C usingSphericalPolarMTerms - If TRUE use spherical polar metric terms. |
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C useCoriolis - Flag which turns the coriolis terms on and off. |
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C tempDiffusion - Flag which turns diffusion of temperature on |
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C and off. |
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C tempAdvection - Flag which turns advection of temperature on |
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C and off. |
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C tempForcing - Flag which turns external forcing of temperature on |
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C and off. |
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C saltDiffusion - Flag which turns diffusion of salinit on |
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C and off. |
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C saltAdvection - Flag which turns advection of salinit on |
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C and off. |
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C saltForcing - Flag which turns external forcing of salinit on |
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C and off. |
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C implicitFreeSurface - Set to true to use implcit free surface |
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C rigidLid - Set to true to use rigid lid |
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C momStepping - Turns momentum equation time-stepping off |
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C tempStepping - Turns temperature equation time-stepping off |
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C saltStepping - Turns salinity equation time-stepping off |
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C useConstantF - Coriolis parameter set to f0 |
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C useBetaPlaneF - Coriolis parameter set to f0 + beta.y |
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C useSphereF - Coriolis parameter set to 2.omega.sin(phi) |
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C implicitDiffusion - Turns implicit vertical diffusion on |
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C doThetaClimRelax - Set true if relaxation to temperature |
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C climatology is required. |
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C doSaltClimRelax - Set true if relaxation to salinity |
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C climatology is required. |
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C periodicExternalForcing - Set true if forcing is time-dependant |
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C usingPCoords - Set to indicate that we are working in pressure |
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C coords. |
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C usingZCoords - Set to indicate that we are working in height |
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C coords. |
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COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid, |
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& momViscosity, momAdvection, momForcing, useCoriolis, momPressureForcing, |
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& tempDiffusion, tempAdvection, tempForcing, |
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& saltDiffusion, saltAdvection, saltForcing, |
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& implicitFreeSurface, rigidLid, |
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& momStepping, tempStepping, saltStepping, |
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& metricTerms, usingSphericalPolarMTerms, |
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& useConstantF, useBetaPlaneF, useSphereF, |
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& implicitDiffusion, doThetaClimRelax, doSaltClimRelax, |
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& periodicExternalForcing, usingPCoords, usingZCoords |
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LOGICAL usingCartesianGrid |
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LOGICAL usingSphericalPolarGrid |
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LOGICAL usingSphericalPolarMTerms |
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LOGICAL momViscosity |
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LOGICAL momAdvection |
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LOGICAL momForcing |
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LOGICAL momPressureForcing |
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LOGICAL useCoriolis |
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LOGICAL tempDiffusion |
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LOGICAL tempAdvection |
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LOGICAL tempForcing |
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LOGICAL saltDiffusion |
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LOGICAL saltAdvection |
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LOGICAL saltForcing |
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LOGICAL implicitFreeSurface |
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LOGICAL rigidLid |
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LOGICAL momStepping |
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LOGICAL tempStepping |
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LOGICAL saltStepping |
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LOGICAL metricTerms |
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LOGICAL useConstantF |
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LOGICAL useBetaPlaneF |
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LOGICAL useSphereF |
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LOGICAL implicitDiffusion |
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LOGICAL doThetaClimRelax |
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LOGICAL doSaltClimRelax |
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LOGICAL periodicExternalForcing |
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LOGICAL usingPCoords |
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LOGICAL usingZCoords |
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|
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C-- COMMON /PARM_R/ "Real" valued parameters used by the model. |
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C cg2dTargetResidual |
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C - Target residual for cg2d solver. |
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C cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal. |
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C Note. 20th May 1998 |
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C I made a weird discovery! In the model paper we argue |
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C for the form of the preconditioner used here ( see |
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C A Finite-volume, Incompressible Navier-Stokes Model |
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C ...., Marshall et. al ). The algebra gives a simple |
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C 0.5 factor for the averaging of ac and aCw to get a |
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C symmettric pre-conditioner. By using a factor of 0.51 |
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C i.e. scaling the off-diagonal terms in the |
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C preconditioner down slightly I managed to get the |
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C number of iterations for convergence in a test case to |
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C drop form 192 -> 134! Need to investigate this further! |
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C For now I have introduced a parameter cg2dpcOffDFac which |
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C defaults to 0.51 but can be set at runtime. |
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C delP - Vertical grid spacing ( Pa ). |
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C delZ - Vertical grid spacing ( m ). |
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C delR - Vertical grid spacing ( units of r ). |
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C delX - Separation between cell faces (m) or (deg), depending |
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C delY on input flags. |
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C gravity - Accel. due to gravity ( m/s^2 ) |
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C gBaro - Accel. due to gravity used in barotropic equation ( m/s^2 ) |
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C ronil - Reference density |
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C rhoConst - Vertically constant reference density |
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C startTime - Start time for model ( s ) |
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C phiMin - Latitude of southern most cell face. |
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C thetaMin - Longitude of western most cell face (this |
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C is an "inert" parameter but it is included |
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C to make geographical references simple.) |
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C rSphere - Radius of sphere for a spherical polar grid ( m ). |
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C recip_RSphere - Reciprocal radius of sphere ( m ). |
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C f0 - Reference coriolis parameter ( 1/s ) |
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C ( Southern edge f for beta plane ) |
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C beta - df/dy ( s^-1.m^-1 ) |
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C omega - Angular velocity ( rad/s ) |
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C viscAh - Eddy viscosity coeff. for mixing of |
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C momentum laterally ( m^2/s ) |
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C viscAz - Eddy viscosity coeff. for mixing of |
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C momentum vertically ( m^2/s ) |
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C viscAp - Eddy viscosity coeff. for mixing of |
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C momentum vertically ( Pa^2/s ) |
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C viscAr - Eddy viscosity coeff. for mixing of |
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C momentum vertically ( units of r^2/s ) |
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C viscA4 - Biharmonic viscosity coeff. for mixing of |
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C momentum laterally ( m^4/s ) |
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C diffKhT - Laplacian diffusion coeff. for mixing of |
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C heat laterally ( m^2/s ) |
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C diffKzT - Laplacian diffusion coeff. for mixing of |
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C heat vertically ( m^2/s ) |
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C diffKpT - Laplacian diffusion coeff. for mixing of |
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C heat vertically ( Pa^2/s ) |
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C diffKrT - Laplacian diffusion coeff. for mixing of |
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C heat vertically ( units of r^2/s ) |
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C diffK4T - Biharmonic diffusion coeff. for mixing of |
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C heat laterally ( m^4/s ) |
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C diffKhS - Laplacian diffusion coeff. for mixing of |
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C salt laterally ( m^2/s ) |
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C diffKzS - Laplacian diffusion coeff. for mixing of |
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C salt vertically ( m^2/s ) |
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C diffKpS - Laplacian diffusion coeff. for mixing of |
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C salt vertically ( Pa^2/s ) |
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C diffKrS - Laplacian diffusion coeff. for mixing of |
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C salt vertically ( units of r^2/s ) |
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C diffK4S - Biharmonic diffusion coeff. for mixing of |
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C salt laterally ( m^4/s ) |
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C deltaT - Default timestep ( s ) |
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C deltaTClock - Timestep used as model "clock". This determines the |
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C IO frequencies and is used in tagging output. It can |
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C be totally different to the dynamical time. Typically |
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C it will be the deep-water timestep for accelerated runs. |
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C Frequency of checkpointing and dumping of the model state |
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C are referenced to this clock. ( s ) |
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C deltaTMom - Timestep for momemtum equations ( s ) |
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C deltaTtracer - Timestep for tracer equations ( s ) |
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C freesurfFac - Parameter to turn implicit free surface term on or off |
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C freesurfac = 1. uses implicit free surface |
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C freesurfac = 0. uses rigid lid |
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C hFacMin - Minimum fraction size of a cell (affects hFacC etc...) |
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C hFacMinDz - Minimum dimesional size of a cell (affects hFacC etc..., m) |
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C hFacMinDp - Minimum dimesional size of a cell (affects hFacC etc..., Pa) |
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C hFacMinDr - Minimum dimesional size of a cell (affects hFacC etc..., units of r) |
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C tauCD - CD scheme coupling timescale ( 1/s ) |
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C rCD - CD scheme normalised coupling parameter ( 0-1 ) |
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C GMmaxslope - max. slope allowed in GM/Redi tensor |
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C GMlength - Length to use in Visbeck et al. formula for K (m) |
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C GMalpha - alpha to use in Visbeck et al. formula for K |
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C GMdepth - Depth over which to integrate Richardson # (Visbeck et al.) |
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C GMkbackground - background value of GM/Redi diffusion coefficient ( m^2/s ) |
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C GMmaxval - max. value of KapGM allowed in GM/Redi scheme ( m^2/s ) |
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C startTime - Starting time for this integration ( s ). |
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C endTime - Ending time for this integration ( s ). |
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C chkPtFreq - Frequency of rolling check pointing ( s ). |
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C pChkPtFreq - Frequency of permanent check pointing ( s ). |
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C dumpFreq - Frequency with which model state is written to |
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C post-processing files ( s ). |
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C afFacMom - Advection of momentum term tracer parameter |
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C vfFacMom - Momentum viscosity tracer parameter |
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C pfFacMom - Momentum pressure forcing tracer parameter |
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C cfFacMom - Coriolis term tracer parameter |
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C foFacMom - Momentum forcing tracer parameter |
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C mtFacMom - Metric terms tracer parameter |
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C cAdjFreq - Frequency of convective adjustment |
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C |
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C taveFreq - Frequency with which time-averaged model state is written to |
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C post-processing files ( s ). |
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C tauThetaClimRelax - Relaxation to climatology time scale ( s ). |
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C lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ). |
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C tauSaltClimRelax - Relaxation to climatology time scale ( s ). |
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C lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ). |
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C externForcingPeriod - Is the period of which forcing varies (eg. 1 month) |
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C externForcingCycle - Is the repeat time of the forcing (eg. 1 year) |
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C (note: externForcingCycle must be an integer |
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C number times externForcingPeriod) |
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C horiVertRatio - Ratio on units in vertical to units in horizontal. |
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C recip_horiVertRatio ( 1 if horiz in m and vertical in m ). |
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C ( g*rho if horiz in m and vertical in Pa ). |
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COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac, |
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& delP, delZ, delR, delX, delY, |
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& deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime, phiMin, |
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& thetaMin, rSphere, recip_RSphere, f0, fCori, beta, |
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& viscAh, viscAz, viscA4, viscAr, |
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& diffKhT, diffKzT, diffK4T, diffKrT, |
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& diffKhS, diffKzS, diffK4S, diffKrS, |
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& delT, tauCD, rCD, freeSurfFac, hFacMin, hFacMinDz, |
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& GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground,GMmaxval, |
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& gravity, gBaro, rhonil, recip_rhonil, |
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& recip_rhoConst, rhoConst, tRef, sRef, |
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& endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq, |
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& afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom, |
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& cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax, |
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& tauSaltClimRelax, lambdaSaltClimRelax, |
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& externForcingCycle, externForcingPeriod, |
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& viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp, |
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& theta_S, specVol_S, horiVertRatio, recip_horiVertRatio |
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|
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_RL cg2dTargetResidual |
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_RL cg2dpcOffDFac |
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_RL delZ(Nr) |
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_RL delP(Nr) |
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_RL delR(Nr) |
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_RL delX(Nx) |
| 331 |
_RL delY(Ny) |
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_RL deltaT |
| 333 |
_RL deltaTClock |
| 334 |
_RL deltaTmom |
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_RL deltaTtracer |
| 336 |
_RL abeps |
| 337 |
_RL phiMin |
| 338 |
_RL thetaMin |
| 339 |
_RL rSphere |
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_RL recip_RSphere |
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_RL f0 |
| 342 |
_RL freeSurfFac |
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_RL hFacMin |
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_RL hFacMinDz |
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_RL hFacMinDp |
| 346 |
_RL hFacMinDr |
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_RL beta |
| 348 |
_RL viscAh |
| 349 |
_RL viscAz |
| 350 |
_RL viscAp |
| 351 |
_RL viscAr |
| 352 |
_RL viscA4 |
| 353 |
_RL diffKhT |
| 354 |
_RL diffKrT |
| 355 |
_RL diffKzT |
| 356 |
_RL diffKpT |
| 357 |
_RL diffK4T |
| 358 |
_RL diffKhS |
| 359 |
_RL diffKrS |
| 360 |
_RL diffKzS |
| 361 |
_RL diffKpS |
| 362 |
_RL diffK4S |
| 363 |
_RL delt |
| 364 |
_RL tauCD |
| 365 |
_RL rCD |
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_RL GMmaxslope |
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_RL GMlength |
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_RL GMalpha |
| 369 |
_RL GMdepth |
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_RL GMkbackground |
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_RL GMmaxval |
| 372 |
_RL gravity |
| 373 |
_RL gBaro |
| 374 |
_RL rhonil |
| 375 |
_RL recip_rhonil |
| 376 |
_RL rhoConst |
| 377 |
_RL recip_rhoConst |
| 378 |
_RL specVol_S(Nr) |
| 379 |
_RL tRef(Nr) |
| 380 |
_RL theta_S(Nr) |
| 381 |
_RL sRef(Nr) |
| 382 |
_RS Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 383 |
_RL startTime |
| 384 |
_RL endTime |
| 385 |
_RL chkPtFreq |
| 386 |
_RL pChkPtFreq |
| 387 |
_RL dumpFreq |
| 388 |
_RL taveFreq |
| 389 |
_RL afFacMom |
| 390 |
_RL vfFacMom |
| 391 |
_RL pfFacMom |
| 392 |
_RL cfFacMom |
| 393 |
_RL foFacMom |
| 394 |
_RL mTFacMom |
| 395 |
_RL cAdjFreq |
| 396 |
_RL omega |
| 397 |
_RL tauThetaClimRelax |
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_RL lambdaThetaClimRelax |
| 399 |
_RL tauSaltClimRelax |
| 400 |
_RL lambdaSaltClimRelax |
| 401 |
_RL externForcingCycle |
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_RL externForcingPeriod |
| 403 |
_RL horiVertRatio |
| 404 |
_RL recip_horiVertRatio |
| 405 |
|
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COMMON /PARM_A/ HeatCapacity_Cp, |
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& Lamba_theta |
| 408 |
_RL HeatCapacity_Cp |
| 409 |
_RL Lamba_theta |
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|
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C Equation of State (polynomial coeffients) |
| 412 |
COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS |
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_RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1) |
| 414 |
C Linear equation of state |
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C tAlpha - Linear EOS thermal expansion coefficient ( 1/degree ). |
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C sBeta - Linear EOS haline contraction coefficient. |
| 417 |
COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType |
| 418 |
_RL tAlpha |
| 419 |
_RL sBeta |
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character*(6) eosType |
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