/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.49.2.2 by adcroft, Tue Apr 3 02:39:18 2001 UTC revision 1.65.2.4 by dimitri, Fri Jan 31 05:06:50 2003 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2  C $Name$  C $Name$
3  C  C
4  C     /==========================================================\  CBOP
5  C     | PARAMS.h                                                 |  C    !ROUTINE: PARAMS.h
6  C     | o Header file defining model "parameters".               |  C    !INTERFACE:
7  C     |==========================================================|  C    include PARAMS.h
8  C     | The values from the model standard input file are        |  C    !DESCRIPTION: \bv
9  C     | stored into the variables held here. Notes describing    |  C     *==========================================================*
10  C     | the parameters can also be found here.                   |  C     | PARAMS.h                                                  
11  C     \==========================================================/  C     | o Header file defining model "parameters".                
12    C     *==========================================================*
13    C     | The values from the model standard input file are        
14    C     | stored into the variables held here. Notes describing    
15    C     | the parameters can also be found here.                    
16    C     *==========================================================*
17    C     \ev
18    CEOP
19    
20  C     Macros for special grid options  C     Macros for special grid options
21  #include "PARAMS_MACROS.h"  #include "PARAMS_MACROS.h"
# Line 21  C     Useful physical values Line 28  C     Useful physical values
28        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )
29    
30  C     Symbolic values  C     Symbolic values
31  C     precXXXX - Used to indicate what precision to use for  C     precXXXX :: Used to indicate what precision to use for
32  C                dumping model state.  C                dumping model state.
33        INTEGER precFloat32        INTEGER precFloat32
34        PARAMETER ( precFloat32 = 32 )        PARAMETER ( precFloat32 = 32 )
35        INTEGER precFloat64        INTEGER precFloat64
36        PARAMETER ( precFloat64 = 64 )        PARAMETER ( precFloat64 = 64 )
37  C     UNSET_xxx - Used to indicate variables that have not been given a value  C     UNSET_xxx :: Used to indicate variables that have not been given a value
38        Real*8 UNSET_FLOAT8        Real*8 UNSET_FLOAT8
39        PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )        PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )
40        Real*4 UNSET_FLOAT4        Real*4 UNSET_FLOAT4
# Line 44  C     Checkpoint data Line 51  C     Checkpoint data
51        PARAMETER ( maxNoChkptLev = 2 )        PARAMETER ( maxNoChkptLev = 2 )
52    
53  C--   COMMON /PARM_C/ Character valued parameters used by the model.  C--   COMMON /PARM_C/ Character valued parameters used by the model.
54  C     checkPtSuff - List of checkpoint file suffices  C     checkPtSuff :: List of checkpoint file suffices
55  C     bathyFile   - File containing bathymetry. If not defined bathymetry  C     bathyFile   :: File containing bathymetry. If not defined bathymetry
56  C                   is taken from inline function.  C                   is taken from inline function.
57  C     hydrogThetaFile - File containing initial hydrographic data for potential  C     topoFile    :: File containing the topography of the surface (unit=m)
58    C                   (mainly used for the atmosphere = ground height).
59    C     hydrogThetaFile :: File containing initial hydrographic data for potential
60  C                       temperature.  C                       temperature.
61  C     hydrogSaltFile  - File containing initial hydrographic data for salinity.  C     hydrogSaltFile  :: File containing initial hydrographic data for salinity.
62  C     zonalWindFile   - File containing zonal wind data  C     zonalWindFile   :: File containing zonal wind data
63  C     meridWindFile   - File containing meridional wind data  C     meridWindFile   :: File containing meridional wind data
64  C     thetaClimFile   - File containing theta climataology used  C     thetaClimFile   :: File containing theta climataology used
65  C                       in relaxation term -lambda(theta-theta*)  C                       in relaxation term -lambda(theta-theta*)
66  C     saltClimFile    - File containing salt climataology used  C     saltClimFile    :: File containing salt climataology used
67  C                       in relaxation term -lambda(salt-salt*)  C                       in relaxation term -lambda(salt-salt*)
68  C     surfQfile       - File containing surface heat flux  C     surfQfile       :: File containing surface heat flux
69  C     surfQswfile     - File containing surface shortwave radiation  C     surfQswfile     :: File containing surface shortwave radiation
70  C     EmPmRfile       - File containing surface fresh water flux  C     dQdTfile        :: File containing thermal relaxation coefficient
71  C     buoyancyRelation - Flag used to indicate which relation to use to  C     EmPmRfile       :: File containing surface fresh water flux
72    C     buoyancyRelation :: Flag used to indicate which relation to use to
73  C                        get buoyancy.  C                        get buoyancy.
74        COMMON /PARM_C/ checkPtSuff,        COMMON /PARM_C/ checkPtSuff,
75       &                bathyFile, hydrogThetaFile, hydrogSaltFile,       &                bathyFile, topoFile,
76         &                hydrogThetaFile, hydrogSaltFile,
77       &                zonalWindFile, meridWindFile, thetaClimFile,       &                zonalWindFile, meridWindFile, thetaClimFile,
78       &                saltClimFile, buoyancyRelation,       &                saltClimFile, buoyancyRelation,
79       &                EmPmRfile, surfQfile, surfQswfile,       &                EmPmRfile, surfQfile, surfQswfile,
80       &                uVelInitFile, vVelInitFile, pSurfInitFile       &                uVelInitFile, vVelInitFile, pSurfInitFile,
81         &                dQdTfile
82        CHARACTER*(5) checkPtSuff(maxNoChkptLev)        CHARACTER*(5) checkPtSuff(maxNoChkptLev)
83        CHARACTER*(MAX_LEN_FNAM) bathyFile        CHARACTER*(MAX_LEN_FNAM) bathyFile, topoFile
84        CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile        CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
85        CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile        CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
86        CHARACTER*(MAX_LEN_FNAM) zonalWindFile        CHARACTER*(MAX_LEN_FNAM) zonalWindFile
# Line 82  C                        get buoyancy. Line 94  C                        get buoyancy.
94        CHARACTER*(MAX_LEN_FNAM) uVelInitFile        CHARACTER*(MAX_LEN_FNAM) uVelInitFile
95        CHARACTER*(MAX_LEN_FNAM) vVelInitFile        CHARACTER*(MAX_LEN_FNAM) vVelInitFile
96        CHARACTER*(MAX_LEN_FNAM) pSurfInitFile        CHARACTER*(MAX_LEN_FNAM) pSurfInitFile
97          CHARACTER*(MAX_LEN_FNAM) dQdTfile
98    
99  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
100  C     cg2dMaxIters        - Maximum number of iterations in the  C     cg2dMaxIters        :: Maximum number of iterations in the
101  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
102  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      :: Frequency with which to check residual
103  C                           in con. grad solver.  C                           in con. grad solver.
104  C     cg3dMaxIters        - Maximum number of iterations in the  C     cg3dMaxIters        :: Maximum number of iterations in the
105  C                           three-dimensional con. grad solver.  C                           three-dimensional con. grad solver.
106  C     cg3dChkResFreq      - Frequency with which to check residual  C     cg3dChkResFreq      :: Frequency with which to check residual
107  C                           in con. grad solver.  C                           in con. grad solver.
108  C     nIter0              - Start time-step number of for this run  C     nIter0              :: Start time-step number of for this run
109  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          :: Number of timesteps to execute
110  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   :: For offline setup. Frequency of pickup
111  C                           of flow fields.  C                           of flow fields.
112  C     writeStatePrec      - Precision used for writing model state.  C     writeStatePrec      :: Precision used for writing model state.
113  C     writeBinaryPrec     - Precision used for writing binary files  C     writeBinaryPrec     :: Precision used for writing binary files
114  C     readBinaryPrec      - Precision used for reading binary files  C     readBinaryPrec      :: Precision used for reading binary files
115  C     nCheckLev           - Holds current checkpoint level  C     nCheckLev           :: Holds current checkpoint level
116  C     nShap               - "Order" of shapiro filter to apply to  C     nonlinFreeSurf      :: option related to non-linear free surface
117  C                           model prognositic fields.  C                           =0 Linear free surface ; >0 Non-linear
 C                           nShap == 1 => del2  
 C                           nShap == 2 => del4  
 C                           nShap == 3 => del6  
 C                           etc...  
118    
119        COMMON /PARM_I/        COMMON /PARM_I/
120       &        cg2dMaxIters,       &        cg2dMaxIters,
# Line 116  C                           etc... Line 125  C                           etc...
125       &        numStepsPerPickup,       &        numStepsPerPickup,
126       &        writeStatePrec, nCheckLev,       &        writeStatePrec, nCheckLev,
127       &        writeBinaryPrec, readBinaryPrec,       &        writeBinaryPrec, readBinaryPrec,
128       &        nShap, zonal_filt_sinpow, zonal_filt_cospow       &        nonlinFreeSurf,
129         &        tempAdvScheme, saltAdvScheme, tracerAdvScheme
130        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
131        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
132        INTEGER cg3dMaxIters        INTEGER cg3dMaxIters
# Line 129  C                           etc... Line 139  C                           etc...
139        INTEGER writeBinaryPrec        INTEGER writeBinaryPrec
140        INTEGER readBinaryPrec        INTEGER readBinaryPrec
141        INTEGER nCheckLev        INTEGER nCheckLev
142        INTEGER nShap        INTEGER nonlinFreeSurf
143        INTEGER zonal_filt_sinpow        INTEGER tempAdvScheme
144        INTEGER zonal_filt_cospow        INTEGER saltAdvScheme
145          INTEGER tracerAdvScheme
146    
147  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
148  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid :: If TRUE grid generation will be in a cartesian
149  C                          coordinate frame.  C                          coordinate frame.
150  C     usingSphericalPolarGrid - If TRUE grid generation will be in a  C     usingSphericalPolarGrid :: If TRUE grid generation will be in a
151  C                               spherical polar frame.  C                               spherical polar frame.
152  C     no_slip_sides - Impose "no-slip" at lateral boundaries.  C     no_slip_sides :: Impose "no-slip" at lateral boundaries.
153  C     no_slip_bottom- Impose "no-slip" at bottom boundary.  C     no_slip_bottom :: Impose "no-slip" at bottom boundary.
154  C     staggerTimeStep - enable a Stagger time stepping T,S Rho then U,V  C     staggerTimeStep :: enable a Stagger time stepping T,S Rho then U,V
155  C     momViscosity  - Flag which turns momentum friction terms on and off.  C     momViscosity  :: Flag which turns momentum friction terms on and off.
156  C     momAdvection  - Flag which turns advection of momentum on and off.  C     momAdvection  :: Flag which turns advection of momentum on and off.
157  C     momForcing    - Flag which turns external forcing of momentum on  C     momForcing    :: Flag which turns external forcing of momentum on
158  C                     and off.  C                     and off.
159  C     momPressureForcing - Flag which turns pressure term in momentum equation  C     momPressureForcing :: Flag which turns pressure term in momentum equation
160  C                          on and off.  C                          on and off.
161  C     metricTerms   - Flag which turns metric terms on or off.  C     metricTerms   :: Flag which turns metric terms on or off.
162  C     usingSphericalPolarMTerms - If TRUE use spherical polar metric terms.  C     usingSphericalPolarMTerms :: If TRUE use spherical polar metric terms.
163  C     useCoriolis   - Flag which turns the coriolis terms on and off.  C     useCoriolis   :: Flag which turns the coriolis terms on and off.
164  C     tempDiffusion - Flag which turns diffusion of temperature on  C     tempDiffusion :: Flag which turns diffusion of temperature on
165  C                     and off.  C                     and off.
166  C     tempAdvection - Flag which turns advection of temperature on  C     tempAdvection :: Flag which turns advection of temperature on
167  C                     and off.  C                     and off.
168  C     tempForcing   - Flag which turns external forcing of temperature on  C     tempForcing   :: Flag which turns external forcing of temperature on
169  C                     and off.  C                     and off.
170  C     saltDiffusion - Flag which turns diffusion of salinit on  C     saltDiffusion :: Flag which turns diffusion of salinit on
171  C                     and off.  C                     and off.
172  C     saltAdvection - Flag which turns advection of salinit on  C     saltAdvection :: Flag which turns advection of salinit on
173  C                     and off.  C                     and off.
174  C     saltForcing   - Flag which turns external forcing of salinit on  C     saltForcing   :: Flag which turns external forcing of salinit on
175  C                     and off.  C                     and off.
176  C     implicitFreeSurface - Set to true to use implcit free surface  C     useRealFreshWaterFlux :: if true (=Natural BCS), treats P+R-E flux
177  C     rigidLid            - Set to true to use rigid lid  C                         as a real Fresh Water (=> changes the seal level)
178  C     momStepping   - Turns momentum equation time-stepping off  C                              if false, converts P+R-E to virtual salt flux
179  C     tempStepping  - Turns temperature equation time-stepping off  C     rigidLid            :: Set to true to use rigid lid
180  C     saltStepping  - Turns salinity equation time-stepping off  C     implicitFreeSurface :: Set to true to use implcit free surface
181  C     useConstantF  - Coriolis parameter set to f0  C     exactConserv        :: Set to true to conserve exactly the total Volume
182  C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y  C     uniformLin_PhiSurf  :: Set to true to use a uniform Bo_surf in the
183  C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)  C                           linear relation Phi_surf = Bo_surf*eta
184  C     implicitDiffusion - Turns implicit vertical diffusion on  C     momStepping   :: Turns momentum equation time-stepping off
185  C     implicitViscosity - Turns implicit vertical viscosity on  C     tempStepping  :: Turns temperature equation time-stepping off
186  C     doThetaClimRelax - Set true if relaxation to temperature  C     saltStepping  :: Turns salinity equation time-stepping off
187    C     tr1Stepping   :: Turns passive tracer 1 time-stepping on/off
188    C     useConstantF  :: Coriolis parameter set to f0
189    C     useBetaPlaneF :: Coriolis parameter set to f0 + beta.y
190    C     useSphereF    :: Coriolis parameter set to 2.omega.sin(phi)
191    C     implicitDiffusion :: Turns implicit vertical diffusion on
192    C     implicitViscosity :: Turns implicit vertical viscosity on
193    C     doThetaClimRelax :: Set true if relaxation to temperature
194  C                        climatology is required.  C                        climatology is required.
195  C     doSaltClimRelax  - Set true if relaxation to salinity  C     doSaltClimRelax  :: Set true if relaxation to salinity
196  C                        climatology is required.  C                        climatology is required.
197  C     periodicExternalForcing - Set true if forcing is time-dependant  C     periodicExternalForcing :: Set true if forcing is time-dependant
198  C     usingPCoords     - Set to indicate that we are working in pressure  C     usingPCoords     :: Set to indicate that we are working in pressure
199  C                        coords.  C                        coords.
200  C     usingZCoords     - Set to indicate that we are working in height  C     usingZCoords     :: Set to indicate that we are working in height
201  C                        coords.  C                        coords.
202  C     nonHydrostatic - Using non-hydrostatic terms  C     nonHydrostatic :: Using non-hydrostatic terms
203  C     globalFiles    - Selects between "global" and "tiled" files  C     globalFiles    :: Selects between "global" and "tiled" files
204  C     allowFreezing  - Allows water to freeze and form ice  C     allowFreezing  :: Allows water to freeze and form ice
205  C     groundAtK1  - put the surface(k=1) at the Lower Boundary (=ground)  C     groundAtK1  :: put the surface(k=1) at the Lower Boundary (=ground)
206    C     useJamartWetPoints :: Use wet-point method for Coriolis (Jamart and Ozer, 1986)
207        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
208       & usingCurvilinearGrid,       & usingCurvilinearGrid,
209       & no_slip_sides,no_slip_bottom,       & no_slip_sides,no_slip_bottom,
210       & staggerTimeStep,       & staggerTimeStep,
211       & momViscosity, momAdvection, momForcing, useCoriolis,       & momViscosity, momAdvection, momForcing, useCoriolis,
212       & momPressureForcing,tempDiffusion, tempAdvection, tempForcing,       & momPressureForcing, vectorInvariantMomentum,
213         & tempDiffusion, tempAdvection, tempForcing,
214       & saltDiffusion, saltAdvection, saltForcing,       & saltDiffusion, saltAdvection, saltForcing,
215       & implicitFreeSurface, rigidLid,       & useRealFreshWaterFlux,
216       & momStepping, tempStepping, saltStepping,       & rigidLid, implicitFreeSurface, exactConserv, uniformLin_PhiSurf,
217         & momStepping, tempStepping, saltStepping, tr1Stepping,
218       & metricTerms, usingSphericalPolarMTerms,       & metricTerms, usingSphericalPolarMTerms,
219       & useConstantF, useBetaPlaneF, useSphereF,       & useConstantF, useBetaPlaneF, useSphereF,
220       & implicitDiffusion, implicitViscosity,       & implicitDiffusion, implicitViscosity,
221       & doThetaClimRelax, doSaltClimRelax,       & doThetaClimRelax, doSaltClimRelax, doTr1ClimRelax,
222       & periodicExternalForcing, usingPCoords, usingZCoords,       & periodicExternalForcing, usingPCoords, usingZCoords,
223       & nonHydrostatic, globalFiles,       & nonHydrostatic, globalFiles,
224       & allowFreezing, groundAtK1       & allowFreezing, groundAtK1,
225         & usePickupBeforeC35, debugMode,
226         & readPickupWithTracer, writePickupWithTracer,
227         & multiDimAdvection, useEnergyConservingCoriolis,
228         & useJamartWetPoints
229        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
230        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
231        LOGICAL usingCurvilinearGrid        LOGICAL usingCurvilinearGrid
# Line 213  C     groundAtK1  - put the surface(k=1) Line 238  C     groundAtK1  - put the surface(k=1)
238        LOGICAL momForcing        LOGICAL momForcing
239        LOGICAL momPressureForcing        LOGICAL momPressureForcing
240        LOGICAL useCoriolis        LOGICAL useCoriolis
241          LOGICAL vectorInvariantMomentum
242        LOGICAL tempDiffusion        LOGICAL tempDiffusion
243        LOGICAL tempAdvection        LOGICAL tempAdvection
244        LOGICAL tempForcing        LOGICAL tempForcing
245        LOGICAL saltDiffusion        LOGICAL saltDiffusion
246        LOGICAL saltAdvection        LOGICAL saltAdvection
247        LOGICAL saltForcing        LOGICAL saltForcing
248        LOGICAL implicitFreeSurface        LOGICAL useRealFreshWaterFlux
249        LOGICAL rigidLid        LOGICAL rigidLid
250          LOGICAL implicitFreeSurface
251          LOGICAL exactConserv
252          LOGICAL uniformLin_PhiSurf
253        LOGICAL momStepping        LOGICAL momStepping
254        LOGICAL tempStepping        LOGICAL tempStepping
255        LOGICAL saltStepping        LOGICAL saltStepping
256          LOGICAL tr1Stepping
257        LOGICAL metricTerms        LOGICAL metricTerms
258        LOGICAL useConstantF        LOGICAL useConstantF
259        LOGICAL useBetaPlaneF        LOGICAL useBetaPlaneF
# Line 232  C     groundAtK1  - put the surface(k=1) Line 262  C     groundAtK1  - put the surface(k=1)
262        LOGICAL implicitViscosity        LOGICAL implicitViscosity
263        LOGICAL doThetaClimRelax        LOGICAL doThetaClimRelax
264        LOGICAL doSaltClimRelax        LOGICAL doSaltClimRelax
265          LOGICAL doTr1ClimRelax
266        LOGICAL periodicExternalForcing        LOGICAL periodicExternalForcing
267        LOGICAL usingPCoords        LOGICAL usingPCoords
268        LOGICAL usingZCoords        LOGICAL usingZCoords
# Line 239  C     groundAtK1  - put the surface(k=1) Line 270  C     groundAtK1  - put the surface(k=1)
270        LOGICAL globalFiles        LOGICAL globalFiles
271        LOGICAL allowFreezing        LOGICAL allowFreezing
272        LOGICAL groundAtK1        LOGICAL groundAtK1
273          LOGICAL usePickupBeforeC35
274          LOGICAL debugMode
275          LOGICAL readPickupWithTracer
276          LOGICAL writePickupWithTracer
277          LOGICAL multiDimAdvection
278          LOGICAL useEnergyConservingCoriolis
279          LOGICAL useJamartWetPoints
280    
281  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
282  C     cg2dTargetResidual  C     gg2dTargetResidual
283  C               - Target residual for cg2d solver.  C          :: Target residual for cg2d solver; no unit (RHS normalisation)
284    C     cg2dTargetResWunit
285    C          :: Target residual for cg2d solver; W unit (No RHS normalisation)
286  C     cg3dTargetResidual  C     cg3dTargetResidual
287  C               - Target residual for cg3d solver.  C               :: Target residual for cg3d solver.
288  C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.  C     cg2dpcOffDFac :: Averaging weight for preconditioner off-diagonal.
289  C     Note. 20th May 1998  C     Note. 20th May 1998
290  C           I made a weird discovery! In the model paper we argue  C           I made a weird discovery! In the model paper we argue
291  C           for the form of the preconditioner used here ( see  C           for the form of the preconditioner used here ( see
# Line 259  C           number of iterations for con Line 299  C           number of iterations for con
299  C           drop form 192 -> 134! Need to investigate this further!  C           drop form 192 -> 134! Need to investigate this further!
300  C           For now I have introduced a parameter cg2dpcOffDFac which  C           For now I have introduced a parameter cg2dpcOffDFac which
301  C           defaults to 0.51 but can be set at runtime.  C           defaults to 0.51 but can be set at runtime.
302  C     delP      - Vertical grid spacing ( Pa ).  C     delP      :: Vertical grid spacing ( Pa ).
303  C     delZ      - Vertical grid spacing ( m  ).  C     delZ      :: Vertical grid spacing ( m  ).
304  C     delR      - Vertical grid spacing ( units of r ).  C     delR      :: Vertical grid spacing ( units of r ).
305  C     delX      - Separation between cell faces (m) or (deg), depending  C     delX      :: Separation between cell faces (m) or (deg), depending
306  C     delY        on input flags.  C     delY        on input flags.
307  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   :: Accel. due to gravity ( m/s^2 )
308  C     recip_gravity and its inverse  C     recip_gravity and its inverse
309  C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )  C     gBaro     :: Accel. due to gravity used in barotropic equation ( m/s^2 )
310  C     ronil     - Reference density  C     ronil     :: Reference density
311  C     rhoConst  - Vertically constant reference density  C     rhoConst  :: Vertically constant reference density
312  C     startTime - Start time for model ( s )  C     startTime :: Start time for model ( s )
313  C     phiMin    - Latitude of southern most cell face.  C     phiMin    :: Latitude of southern most cell face.
314  C     thetaMin  - Longitude of western most cell face (this  C     thetaMin  :: Longitude of western most cell face (this
315  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
316  C                 to make geographical references simple.)  C                 to make geographical references simple.)
317  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).  C     rSphere   :: Radius of sphere for a spherical polar grid ( m ).
318  C     recip_RSphere  - Reciprocal radius of sphere ( m ).  C     recip_RSphere  :: Reciprocal radius of sphere ( m ).
319  C     f0        - Reference coriolis parameter ( 1/s )  C     f0        :: Reference coriolis parameter ( 1/s )
320  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
321  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      :: df/dy ( s^-1.m^-1 )
322  C     omega     - Angular velocity ( rad/s )  C     omega     :: Angular velocity ( rad/s )
323  C     viscAh    - Eddy viscosity coeff. for mixing of  C     viscAh    :: Eddy viscosity coeff. for mixing of
324  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
325  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    :: Eddy viscosity coeff. for mixing of
326  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
327  C     viscAp    - Eddy viscosity coeff. for mixing of  C     viscAp    :: Eddy viscosity coeff. for mixing of
328  C                 momentum vertically ( Pa^2/s )  C                 momentum vertically ( Pa^2/s )
329  C     viscAr    - Eddy viscosity coeff. for mixing of  C     viscAr    :: Eddy viscosity coeff. for mixing of
330  C                 momentum vertically ( units of r^2/s )  C                 momentum vertically ( units of r^2/s )
331  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscA4    :: Biharmonic viscosity coeff. for mixing of
332  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
333  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   :: Laplacian diffusion coeff. for mixing of
334  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
335  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   :: Laplacian diffusion coeff. for mixing of
336  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
337  C     diffKpT   - Laplacian diffusion coeff. for mixing of  C     diffKpT   :: Laplacian diffusion coeff. for mixing of
338  C                 heat vertically ( Pa^2/s )  C                 heat vertically ( Pa^2/s )
339  C     diffKrT   - Laplacian diffusion coeff. for mixing of  C     diffKrT   :: Laplacian diffusion coeff. for mixing of
340  C                 heat vertically ( units of r^2/s )  C                 heat vertically ( units of r^2/s )
341  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffK4T   :: Biharmonic diffusion coeff. for mixing of
342  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
343  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  ::  Laplacian diffusion coeff. for mixing of
344  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
345  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   :: Laplacian diffusion coeff. for mixing of
346  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
347  C     diffKpS   - Laplacian diffusion coeff. for mixing of  C     diffKpS   :: Laplacian diffusion coeff. for mixing of
348  C                 salt vertically ( Pa^2/s )  C                 salt vertically ( Pa^2/s )
349  C     diffKrS   - Laplacian diffusion coeff. for mixing of  C     diffKrS   :: Laplacian diffusion coeff. for mixing of
350  C                 salt vertically ( units of r^2/s )  C                 salt vertically ( units of r^2/s )
351  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffK4S   :: Biharmonic diffusion coeff. for mixing of
352  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
353  C     deltaT    - Default timestep ( s )  C     deltaT    :: Default timestep ( s )
354  C     deltaTClock  - Timestep used as model "clock". This determines the  C     deltaTClock  :: Timestep used as model "clock". This determines the
355  C                    IO frequencies and is used in tagging output. It can  C                    IO frequencies and is used in tagging output. It can
356  C                    be totally different to the dynamical time. Typically  C                    be totally different to the dynamical time. Typically
357  C                    it will be the deep-water timestep for accelerated runs.  C                    it will be the deep-water timestep for accelerated runs.
358  C                    Frequency of checkpointing and dumping of the model state  C                    Frequency of checkpointing and dumping of the model state
359  C                    are referenced to this clock. ( s )  C                    are referenced to this clock. ( s )
360  C     deltaTMom    - Timestep for momemtum equations ( s )  C     deltaTMom    :: Timestep for momemtum equations ( s )
361  C     deltaTtracer - Timestep for tracer equations ( s )  C     deltaTtracer :: Timestep for tracer equations ( s )
362  C     freesurfFac  - Parameter to turn implicit free surface term on or off  C     freesurfFac  :: Parameter to turn implicit free surface term on or off
363  C                    freesurfac = 1. uses implicit free surface  C                    freesurfac = 1. uses implicit free surface
364  C                    freesurfac = 0. uses rigid lid  C                    freesurfac = 0. uses rigid lid
365  C     implicSurfPress - parameter of the Crank-Nickelson time stepping :  C     implicSurfPress :: parameter of the Crank-Nickelson time stepping :
366  C                     Implicit part of Surface Pressure Gradient ( 0-1 )  C                     Implicit part of Surface Pressure Gradient ( 0-1 )
367  C     implicDiv2Dflow - parameter of the Crank-Nickelson time stepping :  C     implicDiv2Dflow :: parameter of the Crank-Nickelson time stepping :
368  C                     Implicit part of barotropic flow Divergence ( 0-1 )  C                     Implicit part of barotropic flow Divergence ( 0-1 )
369  C     hFacMin      - Minimum fraction size of a cell (affects hFacC etc...)  C     hFacMin      :: Minimum fraction size of a cell (affects hFacC etc...)
370  C     hFacMinDz    - Minimum dimesional size of a cell (affects hFacC etc..., m)  C     hFacMinDz    :: Minimum dimesional size of a cell (affects hFacC etc..., m)
371  C     hFacMinDp    - Minimum dimesional size of a cell (affects hFacC etc..., Pa)  C     hFacMinDp    :: Minimum dimesional size of a cell (affects hFacC etc..., Pa)
372  C     hFacMinDr    - Minimum dimesional size of a cell (affects hFacC etc..., units of r)  C     hFacMinDr    :: Minimum dimesional size of a cell (affects hFacC etc..., units of r)
373  C     tauCD        - CD scheme coupling timescale ( 1/s )  C     hFacInf      :: Threshold (inf and sup) for fraction size of surface cell
374  C     rCD          - CD scheme normalised coupling parameter ( 0-1 )  C     hFacSup        that control vanishing and creating levels
375  C     startTime     - Starting time for this integration ( s ).  C     tauCD        :: CD scheme coupling timescale ( 1/s )
376  C     endTime       - Ending time for this integration ( s ).  C     rCD          :: CD scheme normalised coupling parameter ( 0-1 )
377  C     chkPtFreq     - Frequency of rolling check pointing ( s ).  C     startTime     :: Starting time for this integration ( s ).
378  C     pChkPtFreq    - Frequency of permanent check pointing ( s ).  C     endTime       :: Ending time for this integration ( s ).
379  C     dumpFreq      - Frequency with which model state is written to  C     chkPtFreq     :: Frequency of rolling check pointing ( s ).
380    C     pChkPtFreq    :: Frequency of permanent check pointing ( s ).
381    C     dumpFreq      :: Frequency with which model state is written to
382  C                     post-processing files ( s ).  C                     post-processing files ( s ).
383  C     afFacMom      - Advection of momentum term tracer parameter  C     diagFreq      :: Frequency with which model writes diagnostic output
384  C     vfFacMom      - Momentum viscosity tracer parameter  C                     of intermediate quantities.
385  C     pfFacMom      - Momentum pressure forcing tracer parameter  C     afFacMom      :: Advection of momentum term tracer parameter
386  C     cfFacMom      - Coriolis term tracer parameter  C     vfFacMom      :: Momentum viscosity tracer parameter
387  C     foFacMom      - Momentum forcing tracer parameter  C     pfFacMom      :: Momentum pressure forcing tracer parameter
388  C     mtFacMom      - Metric terms tracer parameter  C     cfFacMom      :: Coriolis term tracer parameter
389  C     cosPower      - Power of cosine of latitude to multiply viscosity  C     foFacMom      :: Momentum forcing tracer parameter
390  C     cAdjFreq      - Frequency of convective adjustment  C     mtFacMom      :: Metric terms tracer parameter
391    C     cosPower      :: Power of cosine of latitude to multiply viscosity
392    C     cAdjFreq      :: Frequency of convective adjustment
393  C  C
394  C     taveFreq      - Frequency with which time-averaged model state is written to  C     taveFreq      :: Frequency with which time-averaged model state is written to
395  C                     post-processing files ( s ).  C                     post-processing files ( s ).
396  C     tauThetaClimRelax - Relaxation to climatology time scale ( s ).  C     tauThetaClimRelax :: Relaxation to climatology time scale ( s ).
397  C     lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ).  C     lambdaThetaClimRelax :: Inverse time scale for relaxation ( 1/s ).
398  C     tauSaltClimRelax - Relaxation to climatology time scale ( s ).  C     tauSaltClimRelax :: Relaxation to climatology time scale ( s ).
399  C     lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ).  C     lambdaSaltClimRelax :: Inverse time scale for relaxation ( 1/s ).
400  C     externForcingPeriod - Is the period of which forcing varies (eg. 1 month)  C     externForcingPeriod :: Is the period of which forcing varies (eg. 1 month)
401  C     externForcingCycle - Is the repeat time of the forcing (eg. 1 year)  C     externForcingCycle :: Is the repeat time of the forcing (eg. 1 year)
402  C                          (note: externForcingCycle must be an integer  C                          (note: externForcingCycle must be an integer
403  C                           number times externForcingPeriod)  C                           number times externForcingPeriod)
404  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.  C     convertFW2Salt :: salinity, used to convert Fresh-Water Flux to Salt Flux
405    C                       (use model surface (local) value if set to -1)
406    C     temp_EvPrRn :: temperature of Rain & Evap.
407    C     salt_EvPrRn :: salinity of Rain & Evap.
408    C     trac_EvPrRn :: tracer concentration in Rain & Evap.
409    C        (notes: a) tracer content of Rain/Evap only used if both
410    C                     NonLin_FrSurf & useRealFreshWater are set.
411    C                b) use model surface (local) value if set to UNSET_RL)
412    C     horiVertRatio      :: Ratio on units in vertical to units in horizontal.
413  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
414  C                          ( g*rho if horiz in m and vertical in Pa ).  C                          ( g*rho if horiz in m and vertical in Pa ).
415  C     latFFTFiltLo       - Low latitude for FFT filtering of latitude  C     Ro_SeaLevel        :: standard position of Sea-Level in "R" coordinate, used as
 C                          circles ( see filter*.F )  
 C     Ro_SeaLevel        - standard position of Sea-Level in "R" coordinate, used as  
416  C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)  C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)
417  C     bottomDragLinear   - Drag coefficient built in to core dynamics  C     bottomDragLinear   :: Drag coefficient built in to core dynamics
418  C         "     Quadratic  ( linear: 1/s, quadratic: 1/m )  C      --"-"--  Quadratic  ( linear: 1/s, quadratic: 1/m )
419        COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac,        COMMON /PARM_R/ cg2dTargetResidual, cg2dTargetResWunit,
420       & cg3dTargetResidual,       & cg2dpcOffDFac, cg3dTargetResidual,
421       & delP, delZ, delR, delX, delY,       & delP, delZ, delR, delX, delY,
422       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
423       & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,       & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,
424       & fCori, fCoriG,       & fCori, fCoriG,
425       & viscAh,  viscAz,  viscA4,  viscAr,       & viscAh,  viscAz,  viscA4,  viscAr, viscAstrain, viscAtension,
426       & diffKhT, diffKzT, diffK4T, diffKrT,       & diffKhT, diffKzT, diffK4T, diffKrT,
427       & diffKhS, diffKzS, diffK4S, diffKrS,       & diffKhS, diffKzS, diffK4S, diffKrS,
428       & delT, tauCD, rCD, freeSurfFac, implicSurfPress, implicDiv2Dflow,       & delT, tauCD, rCD, freeSurfFac, implicSurfPress, implicDiv2Dflow,
429       & hFacMin, hFacMinDz,       & hFacMin, hFacMinDz, hFacInf, hFacSup,
430       & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,       & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
431       & recip_rhoConst, rhoConst, tRef, sRef,       & recip_rhoConst, rhoConst, tRef, sRef,
432       & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq,       & endTime, chkPtFreq, pchkPtFreq, dumpFreq,
433         & diagFreq, taveFreq, monitorFreq,
434       & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,       & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
435       & cosPower,       & cosPower, cAdjFreq, omega,
436       & cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax,       & tauThetaClimRelax, lambdaThetaClimRelax,
437       & tauSaltClimRelax, lambdaSaltClimRelax,       & tauSaltClimRelax, lambdaSaltClimRelax,
438         & tauTr1ClimRelax, lambdaTr1ClimRelax,
439       & externForcingCycle, externForcingPeriod,       & externForcingCycle, externForcingPeriod,
440         & convertFW2Salt, temp_EvPrRn, salt_EvPrRn, trac_EvPrRn,
441       & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,       & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
442       & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,       & horiVertRatio, recip_horiVertRatio,
443       & latFFTFiltLo, ivdc_kappa, Ro_SeaLevel, zonal_filt_lat,       & ivdc_kappa, Ro_SeaLevel,
444       & bottomDragLinear,bottomDragQuadratic       & bottomDragLinear,bottomDragQuadratic
445    
446        _RL cg2dTargetResidual        _RL cg2dTargetResidual
447          _RL cg2dTargetResWunit
448        _RL cg3dTargetResidual        _RL cg3dTargetResidual
449        _RL cg2dpcOffDFac        _RL cg2dpcOffDFac
450        _RL delZ(Nr)        _RL delZ(Nr)
# Line 415  C         "     Quadratic  ( linear: 1/s Line 469  C         "     Quadratic  ( linear: 1/s
469        _RL hFacMinDz        _RL hFacMinDz
470        _RL hFacMinDp        _RL hFacMinDp
471        _RL hFacMinDr        _RL hFacMinDr
472          _RL hFacInf
473          _RL hFacSup
474        _RL beta        _RL beta
475        _RL viscAh        _RL viscAh
476          _RL viscAstrain
477          _RL viscAtension
478        _RL viscAz        _RL viscAz
479        _RL viscAp        _RL viscAp
480        _RL viscAr        _RL viscAr
# Line 441  C         "     Quadratic  ( linear: 1/s Line 499  C         "     Quadratic  ( linear: 1/s
499        _RL recip_rhonil        _RL recip_rhonil
500        _RL rhoConst        _RL rhoConst
501        _RL recip_rhoConst        _RL recip_rhoConst
       _RL specVol_S(Nr)  
502        _RL tRef(Nr)        _RL tRef(Nr)
       _RL theta_S(Nr)  
503        _RL sRef(Nr)        _RL sRef(Nr)
504        _RS fCori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RS fCori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
505        _RS fCoriG(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RS fCoriG(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
# Line 452  C         "     Quadratic  ( linear: 1/s Line 508  C         "     Quadratic  ( linear: 1/s
508        _RL chkPtFreq        _RL chkPtFreq
509        _RL pChkPtFreq        _RL pChkPtFreq
510        _RL dumpFreq        _RL dumpFreq
511          _RL diagFreq
512        _RL taveFreq        _RL taveFreq
513          _RL monitorFreq
514        _RL afFacMom        _RL afFacMom
515        _RL vfFacMom        _RL vfFacMom
516        _RL pfFacMom        _RL pfFacMom
# Line 466  C         "     Quadratic  ( linear: 1/s Line 524  C         "     Quadratic  ( linear: 1/s
524        _RL lambdaThetaClimRelax        _RL lambdaThetaClimRelax
525        _RL tauSaltClimRelax        _RL tauSaltClimRelax
526        _RL lambdaSaltClimRelax        _RL lambdaSaltClimRelax
527          _RL tauTr1ClimRelax
528          _RL lambdaTr1ClimRelax
529        _RL externForcingCycle        _RL externForcingCycle
530        _RL externForcingPeriod        _RL externForcingPeriod
531          _RL convertFW2Salt
532          _RL temp_EvPrRn
533          _RL salt_EvPrRn
534          _RL trac_EvPrRn
535        _RL horiVertRatio        _RL horiVertRatio
536        _RL recip_horiVertRatio        _RL recip_horiVertRatio
       _RL latFFTFiltLo  
537        _RL ivdc_kappa        _RL ivdc_kappa
538        _RL Ro_SeaLevel        _RL Ro_SeaLevel
       _RL zonal_filt_lat  
539        _RL bottomDragLinear        _RL bottomDragLinear
540        _RL bottomDragQuadratic        _RL bottomDragQuadratic
541    
# Line 487  C Equation of State (polynomial coeffien Line 549  C Equation of State (polynomial coeffien
549        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
550        _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)        _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)
551  C Linear equation of state  C Linear equation of state
552  C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).  C     tAlpha    :: Linear EOS thermal expansion coefficient ( 1/degree ).
553  C     sBeta     - Linear EOS haline contraction coefficient.  C     sBeta     :: Linear EOS haline contraction coefficient.
554        COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType        COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
555        _RL tAlpha        _RL tAlpha
556        _RL sBeta        _RL sBeta
557        character*(6) eosType        character*(6) eosType
558    
559    C Atmospheric physical parameters (Ideal Gas EOS, ...)
560    C     atm_po    :: standard reference pressure
561    C     atm_cp    :: specific heat (Cp) of the (dry) air at constant pressure
562    C     atm_kappa :: kappa = R/Cp (R: constant of Ideal Gas EOS)
563    C     Integr_GeoPot :: option to select the way we integrate the geopotential
564    C                     (still a subject of discussions ...)
565          COMMON /PARM_ATM/ atm_cp, atm_kappa, atm_po,
566         &                  Integr_GeoPot
567          _RL atm_cp, atm_kappa, atm_po
568          INTEGER Integr_GeoPot
569    
570  C Logical flags for selecting packages  C Logical flags for selecting packages
571        LOGICAL useKPP        LOGICAL useKPP
572        LOGICAL useGMRedi        LOGICAL useGMRedi
573        LOGICAL useOBCS        LOGICAL useOBCS
574        LOGICAL useAIM        LOGICAL useAIM
575          LOGICAL useGrdchk
576        LOGICAL useECCO        LOGICAL useECCO
577          LOGICAL useSHAP_FILT
578          LOGICAL useZONAL_FILT
579          LOGICAL useFLT
580          LOGICAL useSBO
581          LOGICAL useSEAICE
582        COMMON /PARM_PACKAGES/        COMMON /PARM_PACKAGES/
583       &        useKPP, useGMRedi, useOBCS, useAIM, useECCO       &        useKPP, useGMRedi, useOBCS, useAIM, useECCO,
584         &        useSHAP_FILT, useZONAL_FILT, useGrdchk, useFLT,
585         &        useSBO, useSEAICE

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