/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.59 by adcroft, Fri Aug 17 18:40:30 2001 UTC revision 1.70 by jmc, Thu Mar 7 14:05:05 2002 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     topoFile    - File containing the topography of the surface (unit=m)  C     topoFile    :: File containing the topography of the surface (unit=m)
58  C                   (mainly used for the atmosphere = ground height).  C                   (mainly used for the atmosphere = ground height).
59  C     hydrogThetaFile - File containing initial hydrographic data for potential  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     dQdTfile        - File containing thermal relaxation coefficient  C     dQdTfile        :: File containing thermal relaxation coefficient
71  C     EmPmRfile       - File containing surface fresh water flux  C     EmPmRfile       :: File containing surface fresh water flux
72  C     buoyancyRelation - Flag used to indicate which relation to use to  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, topoFile,       &                bathyFile, topoFile,
# Line 90  C                        get buoyancy. Line 97  C                        get buoyancy.
97        CHARACTER*(MAX_LEN_FNAM) dQdTfile        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     nonlinFreeSurf      - option related to non-linear free surface  C     nonlinFreeSurf      :: option related to non-linear free surface
117  C                           =0 Linear free surface ; >0 Non-linear  C                           =0 Linear free surface ; >0 Non-linear
118    
119        COMMON /PARM_I/        COMMON /PARM_I/
# Line 119  C                           =0 Linear fr Line 126  C                           =0 Linear fr
126       &        writeStatePrec, nCheckLev,       &        writeStatePrec, nCheckLev,
127       &        writeBinaryPrec, readBinaryPrec,       &        writeBinaryPrec, readBinaryPrec,
128       &        nonlinFreeSurf,       &        nonlinFreeSurf,
      &        zonal_filt_sinpow, zonal_filt_cospow,  
129       &        tempAdvScheme, saltAdvScheme, tracerAdvScheme       &        tempAdvScheme, saltAdvScheme, tracerAdvScheme
130        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
131        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
# Line 134  C                           =0 Linear fr Line 140  C                           =0 Linear fr
140        INTEGER readBinaryPrec        INTEGER readBinaryPrec
141        INTEGER nCheckLev        INTEGER nCheckLev
142        INTEGER nonlinFreeSurf        INTEGER nonlinFreeSurf
       INTEGER zonal_filt_sinpow  
       INTEGER zonal_filt_cospow  
143        INTEGER tempAdvScheme        INTEGER tempAdvScheme
144        INTEGER saltAdvScheme        INTEGER saltAdvScheme
145        INTEGER tracerAdvScheme        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     rigidLid            - Set to true to use rigid lid  C     useRealFreshWaterFlux :: if true (=Natural BCS), treats P+R-E flux
177  C     implicitFreeSurface - Set to true to use implcit free surface  C                         as a real Fresh Water (=> changes the seal level)
178  C     exactConserv        - Set to true to conserve exactly the total Volume  C                              if false, converts P+R-E to virtual salt flux
179  C     uniformLin_PhiSurf  - Set to true to use a uniform Bo_surf in the  C     rigidLid            :: Set to true to use rigid lid
180    C     implicitFreeSurface :: Set to true to use implcit free surface
181    C     exactConserv        :: Set to true to conserve exactly the total Volume
182    C     uniformLin_PhiSurf  :: Set to true to use a uniform Bo_surf in the
183  C                           linear relation Phi_surf = Bo_surf*eta  C                           linear relation Phi_surf = Bo_surf*eta
184  C     momStepping   - Turns momentum equation time-stepping off  C     momStepping   :: Turns momentum equation time-stepping off
185  C     tempStepping  - Turns temperature equation time-stepping off  C     tempStepping  :: Turns temperature equation time-stepping off
186  C     saltStepping  - Turns salinity equation time-stepping off  C     saltStepping  :: Turns salinity equation time-stepping off
187  C     tr1Stepping   - Turns passive tracer 1 time-stepping on/off  C     tr1Stepping   :: Turns passive tracer 1 time-stepping on/off
188  C     useConstantF  - Coriolis parameter set to f0  C     useConstantF  :: Coriolis parameter set to f0
189  C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y  C     useBetaPlaneF :: Coriolis parameter set to f0 + beta.y
190  C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)  C     useSphereF    :: Coriolis parameter set to 2.omega.sin(phi)
191  C     implicitDiffusion - Turns implicit vertical diffusion on  C     implicitDiffusion :: Turns implicit vertical diffusion on
192  C     implicitViscosity - Turns implicit vertical viscosity on  C     implicitViscosity :: Turns implicit vertical viscosity on
193  C     doThetaClimRelax - Set true if relaxation to temperature  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     setCenterDr    :: set cell Center depth and put Interface at the middle
203  C     globalFiles    - Selects between "global" and "tiled" files  C     nonHydrostatic :: Using non-hydrostatic terms
204  C     allowFreezing  - Allows water to freeze and form ice  C     globalFiles    :: Selects between "global" and "tiled" files
205  C     groundAtK1  - put the surface(k=1) at the Lower Boundary (=ground)  C     allowFreezing  :: Allows water to freeze and form ice
206    C     groundAtK1  :: put the surface(k=1) at the Lower Boundary (=ground)
207    C     useJamartWetPoints :: Use wet-point method for Coriolis (Jamart and Ozer, 1986)
208        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
209       & usingCurvilinearGrid,       & usingCurvilinearGrid,
210       & no_slip_sides,no_slip_bottom,       & no_slip_sides,no_slip_bottom,
# Line 204  C     groundAtK1  - put the surface(k=1) Line 213  C     groundAtK1  - put the surface(k=1)
213       & momPressureForcing, vectorInvariantMomentum,       & momPressureForcing, vectorInvariantMomentum,
214       & tempDiffusion, tempAdvection, tempForcing,       & tempDiffusion, tempAdvection, tempForcing,
215       & saltDiffusion, saltAdvection, saltForcing,       & saltDiffusion, saltAdvection, saltForcing,
216         & useRealFreshWaterFlux,
217       & rigidLid, implicitFreeSurface, exactConserv, uniformLin_PhiSurf,       & rigidLid, implicitFreeSurface, exactConserv, uniformLin_PhiSurf,
218       & momStepping, tempStepping, saltStepping, tr1Stepping,       & momStepping, tempStepping, saltStepping, tr1Stepping,
219       & metricTerms, usingSphericalPolarMTerms,       & metricTerms, usingSphericalPolarMTerms,
220       & useConstantF, useBetaPlaneF, useSphereF,       & useConstantF, useBetaPlaneF, useSphereF,
221       & implicitDiffusion, implicitViscosity,       & implicitDiffusion, implicitViscosity,
222       & doThetaClimRelax, doSaltClimRelax, doTr1ClimRelax,       & doThetaClimRelax, doSaltClimRelax, doTr1ClimRelax,
223       & periodicExternalForcing, usingPCoords, usingZCoords,       & periodicExternalForcing,
224         & usingPCoords, usingZCoords, setCenterDr,
225       & nonHydrostatic, globalFiles,       & nonHydrostatic, globalFiles,
226       & allowFreezing, groundAtK1,       & allowFreezing, groundAtK1,
227       & usePickupBeforeC35, debugMode,       & usePickupBeforeC35, debugMode,
228       & readPickupWithTracer, writePickupWithTracer       & readPickupWithTracer, writePickupWithTracer,
229         & multiDimAdvection, useEnergyConservingCoriolis,
230         & useJamartWetPoints
231        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
232        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
233        LOGICAL usingCurvilinearGrid        LOGICAL usingCurvilinearGrid
# Line 234  C     groundAtK1  - put the surface(k=1) Line 247  C     groundAtK1  - put the surface(k=1)
247        LOGICAL saltDiffusion        LOGICAL saltDiffusion
248        LOGICAL saltAdvection        LOGICAL saltAdvection
249        LOGICAL saltForcing        LOGICAL saltForcing
250          LOGICAL useRealFreshWaterFlux
251        LOGICAL rigidLid        LOGICAL rigidLid
252        LOGICAL implicitFreeSurface        LOGICAL implicitFreeSurface
253        LOGICAL exactConserv        LOGICAL exactConserv
# Line 254  C     groundAtK1  - put the surface(k=1) Line 268  C     groundAtK1  - put the surface(k=1)
268        LOGICAL periodicExternalForcing        LOGICAL periodicExternalForcing
269        LOGICAL usingPCoords        LOGICAL usingPCoords
270        LOGICAL usingZCoords        LOGICAL usingZCoords
271          LOGICAL setCenterDr
272        LOGICAL nonHydrostatic        LOGICAL nonHydrostatic
273        LOGICAL globalFiles        LOGICAL globalFiles
274        LOGICAL allowFreezing        LOGICAL allowFreezing
# Line 262  C     groundAtK1  - put the surface(k=1) Line 277  C     groundAtK1  - put the surface(k=1)
277        LOGICAL debugMode        LOGICAL debugMode
278        LOGICAL readPickupWithTracer        LOGICAL readPickupWithTracer
279        LOGICAL writePickupWithTracer        LOGICAL writePickupWithTracer
280          LOGICAL multiDimAdvection
281          LOGICAL useEnergyConservingCoriolis
282          LOGICAL useJamartWetPoints
283    
284  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
285  C     gg2dTargetResidual  C     gg2dTargetResidual
286  C          - Target residual for cg2d solver; no unit (RHS normalisation)  C          :: Target residual for cg2d solver; no unit (RHS normalisation)
287  C     cg2dTargetResWunit  C     cg2dTargetResWunit
288  C          - Target residual for cg2d solver; W unit (No RHS normalisation)  C          :: Target residual for cg2d solver; W unit (No RHS normalisation)
289  C     cg3dTargetResidual  C     cg3dTargetResidual
290  C               - Target residual for cg3d solver.  C               :: Target residual for cg3d solver.
291  C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.  C     cg2dpcOffDFac :: Averaging weight for preconditioner off-diagonal.
292  C     Note. 20th May 1998  C     Note. 20th May 1998
293  C           I made a weird discovery! In the model paper we argue  C           I made a weird discovery! In the model paper we argue
294  C           for the form of the preconditioner used here ( see  C           for the form of the preconditioner used here ( see
# Line 284  C           number of iterations for con Line 302  C           number of iterations for con
302  C           drop form 192 -> 134! Need to investigate this further!  C           drop form 192 -> 134! Need to investigate this further!
303  C           For now I have introduced a parameter cg2dpcOffDFac which  C           For now I have introduced a parameter cg2dpcOffDFac which
304  C           defaults to 0.51 but can be set at runtime.  C           defaults to 0.51 but can be set at runtime.
305  C     delP      - Vertical grid spacing ( Pa ).  C     delP      :: Vertical grid spacing ( Pa ).
306  C     delZ      - Vertical grid spacing ( m  ).  C     delZ      :: Vertical grid spacing ( m  ).
307  C     delR      - Vertical grid spacing ( units of r ).  C     delR      :: Vertical grid spacing ( units of r ).
308  C     delX      - Separation between cell faces (m) or (deg), depending  C     delRc     :: Vertical grid spacing between cell centers (r unit).
309    C     delX      :: Separation between cell faces (m) or (deg), depending
310  C     delY        on input flags.  C     delY        on input flags.
311  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   :: Accel. due to gravity ( m/s^2 )
312  C     recip_gravity and its inverse  C     recip_gravity and its inverse
313  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 )
314  C     ronil     - Reference density  C     ronil     :: Reference density
315  C     rhoConst  - Vertically constant reference density  C     rhoConst  :: Vertically constant reference density
316  C     startTime - Start time for model ( s )  C     startTime :: Start time for model ( s )
317  C     phiMin    - Latitude of southern most cell face.  C     phiMin    :: Latitude of southern most cell face.
318  C     thetaMin  - Longitude of western most cell face (this  C     thetaMin  :: Longitude of western most cell face (this
319  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
320  C                 to make geographical references simple.)  C                 to make geographical references simple.)
321  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).  C     rSphere   :: Radius of sphere for a spherical polar grid ( m ).
322  C     recip_RSphere  - Reciprocal radius of sphere ( m ).  C     recip_RSphere  :: Reciprocal radius of sphere ( m ).
323  C     f0        - Reference coriolis parameter ( 1/s )  C     f0        :: Reference coriolis parameter ( 1/s )
324  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
325  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      :: df/dy ( s^-1.m^-1 )
326  C     omega     - Angular velocity ( rad/s )  C     omega     :: Angular velocity ( rad/s )
327  C     viscAh    - Eddy viscosity coeff. for mixing of  C     viscAh    :: Eddy viscosity coeff. for mixing of
328  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
329  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    :: Eddy viscosity coeff. for mixing of
330  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
331  C     viscAp    - Eddy viscosity coeff. for mixing of  C     viscAp    :: Eddy viscosity coeff. for mixing of
332  C                 momentum vertically ( Pa^2/s )  C                 momentum vertically ( Pa^2/s )
333  C     viscAr    - Eddy viscosity coeff. for mixing of  C     viscAr    :: Eddy viscosity coeff. for mixing of
334  C                 momentum vertically ( units of r^2/s )  C                 momentum vertically ( units of r^2/s )
335  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscA4    :: Biharmonic viscosity coeff. for mixing of
336  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
337  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   :: Laplacian diffusion coeff. for mixing of
338  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
339  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   :: Laplacian diffusion coeff. for mixing of
340  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
341  C     diffKpT   - Laplacian diffusion coeff. for mixing of  C     diffKpT   :: Laplacian diffusion coeff. for mixing of
342  C                 heat vertically ( Pa^2/s )  C                 heat vertically ( Pa^2/s )
343  C     diffKrT   - Laplacian diffusion coeff. for mixing of  C     diffKrT   :: Laplacian diffusion coeff. for mixing of
344  C                 heat vertically ( units of r^2/s )  C                 heat vertically ( units of r^2/s )
345  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffK4T   :: Biharmonic diffusion coeff. for mixing of
346  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
347  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  ::  Laplacian diffusion coeff. for mixing of
348  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
349  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   :: Laplacian diffusion coeff. for mixing of
350  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
351  C     diffKpS   - Laplacian diffusion coeff. for mixing of  C     diffKpS   :: Laplacian diffusion coeff. for mixing of
352  C                 salt vertically ( Pa^2/s )  C                 salt vertically ( Pa^2/s )
353  C     diffKrS   - Laplacian diffusion coeff. for mixing of  C     diffKrS   :: Laplacian diffusion coeff. for mixing of
354  C                 salt vertically ( units of r^2/s )  C                 salt vertically ( units of r^2/s )
355  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffK4S   :: Biharmonic diffusion coeff. for mixing of
356  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
357  C     deltaT    - Default timestep ( s )  C     deltaT    :: Default timestep ( s )
358  C     deltaTClock  - Timestep used as model "clock". This determines the  C     deltaTClock  :: Timestep used as model "clock". This determines the
359  C                    IO frequencies and is used in tagging output. It can  C                    IO frequencies and is used in tagging output. It can
360  C                    be totally different to the dynamical time. Typically  C                    be totally different to the dynamical time. Typically
361  C                    it will be the deep-water timestep for accelerated runs.  C                    it will be the deep-water timestep for accelerated runs.
362  C                    Frequency of checkpointing and dumping of the model state  C                    Frequency of checkpointing and dumping of the model state
363  C                    are referenced to this clock. ( s )  C                    are referenced to this clock. ( s )
364  C     deltaTMom    - Timestep for momemtum equations ( s )  C     deltaTMom    :: Timestep for momemtum equations ( s )
365  C     deltaTtracer - Timestep for tracer equations ( s )  C     deltaTtracer :: Timestep for tracer equations ( s )
366  C     freesurfFac  - Parameter to turn implicit free surface term on or off  C     freesurfFac  :: Parameter to turn implicit free surface term on or off
367  C                    freesurfac = 1. uses implicit free surface  C                    freesurfac = 1. uses implicit free surface
368  C                    freesurfac = 0. uses rigid lid  C                    freesurfac = 0. uses rigid lid
369  C     implicSurfPress - parameter of the Crank-Nickelson time stepping :  C     implicSurfPress :: parameter of the Crank-Nickelson time stepping :
370  C                     Implicit part of Surface Pressure Gradient ( 0-1 )  C                     Implicit part of Surface Pressure Gradient ( 0-1 )
371  C     implicDiv2Dflow - parameter of the Crank-Nickelson time stepping :  C     implicDiv2Dflow :: parameter of the Crank-Nickelson time stepping :
372  C                     Implicit part of barotropic flow Divergence ( 0-1 )  C                     Implicit part of barotropic flow Divergence ( 0-1 )
373  C     hFacMin      - Minimum fraction size of a cell (affects hFacC etc...)  C     hFacMin      :: Minimum fraction size of a cell (affects hFacC etc...)
374  C     hFacMinDz    - Minimum dimesional size of a cell (affects hFacC etc..., m)  C     hFacMinDz    :: Minimum dimesional size of a cell (affects hFacC etc..., m)
375  C     hFacMinDp    - Minimum dimesional size of a cell (affects hFacC etc..., Pa)  C     hFacMinDp    :: Minimum dimesional size of a cell (affects hFacC etc..., Pa)
376  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)
377  C     hFacInf      - Threshold (inf and sup) for fraction size of surface cell  C     hFacInf      :: Threshold (inf and sup) for fraction size of surface cell
378  C     hFacSup        that control vanishing and creating levels  C     hFacSup        that control vanishing and creating levels
379  C     tauCD        - CD scheme coupling timescale ( 1/s )  C     tauCD        :: CD scheme coupling timescale ( 1/s )
380  C     rCD          - CD scheme normalised coupling parameter ( 0-1 )  C     rCD          :: CD scheme normalised coupling parameter ( 0-1 )
381  C     startTime     - Starting time for this integration ( s ).  C     startTime     :: Starting time for this integration ( s ).
382  C     endTime       - Ending time for this integration ( s ).  C     endTime       :: Ending time for this integration ( s ).
383  C     chkPtFreq     - Frequency of rolling check pointing ( s ).  C     chkPtFreq     :: Frequency of rolling check pointing ( s ).
384  C     pChkPtFreq    - Frequency of permanent check pointing ( s ).  C     pChkPtFreq    :: Frequency of permanent check pointing ( s ).
385  C     dumpFreq      - Frequency with which model state is written to  C     dumpFreq      :: Frequency with which model state is written to
386  C                     post-processing files ( s ).  C                     post-processing files ( s ).
387  C     diagFreq      - Frequency with which model writes diagnostic output  C     diagFreq      :: Frequency with which model writes diagnostic output
388  C                     of intermediate quantities.  C                     of intermediate quantities.
389  C     afFacMom      - Advection of momentum term tracer parameter  C     afFacMom      :: Advection of momentum term tracer parameter
390  C     vfFacMom      - Momentum viscosity tracer parameter  C     vfFacMom      :: Momentum viscosity tracer parameter
391  C     pfFacMom      - Momentum pressure forcing tracer parameter  C     pfFacMom      :: Momentum pressure forcing tracer parameter
392  C     cfFacMom      - Coriolis term tracer parameter  C     cfFacMom      :: Coriolis term tracer parameter
393  C     foFacMom      - Momentum forcing tracer parameter  C     foFacMom      :: Momentum forcing tracer parameter
394  C     mtFacMom      - Metric terms tracer parameter  C     mtFacMom      :: Metric terms tracer parameter
395  C     cosPower      - Power of cosine of latitude to multiply viscosity  C     cosPower      :: Power of cosine of latitude to multiply viscosity
396  C     cAdjFreq      - Frequency of convective adjustment  C     cAdjFreq      :: Frequency of convective adjustment
397  C  C
398  C     taveFreq      - Frequency with which time-averaged model state is written to  C     taveFreq      :: Frequency with which time-averaged model state is written to
399  C                     post-processing files ( s ).  C                     post-processing files ( s ).
400  C     tauThetaClimRelax - Relaxation to climatology time scale ( s ).  C     tauThetaClimRelax :: Relaxation to climatology time scale ( s ).
401  C     lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ).  C     lambdaThetaClimRelax :: Inverse time scale for relaxation ( 1/s ).
402  C     tauSaltClimRelax - Relaxation to climatology time scale ( s ).  C     tauSaltClimRelax :: Relaxation to climatology time scale ( s ).
403  C     lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ).  C     lambdaSaltClimRelax :: Inverse time scale for relaxation ( 1/s ).
404  C     externForcingPeriod - Is the period of which forcing varies (eg. 1 month)  C     externForcingPeriod :: Is the period of which forcing varies (eg. 1 month)
405  C     externForcingCycle - Is the repeat time of the forcing (eg. 1 year)  C     externForcingCycle :: Is the repeat time of the forcing (eg. 1 year)
406  C                          (note: externForcingCycle must be an integer  C                          (note: externForcingCycle must be an integer
407  C                           number times externForcingPeriod)  C                           number times externForcingPeriod)
408  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.  C     convertFW2Salt :: salinity, used to convert Fresh-Water Flux to Salt Flux
409    C                       (use model surface (local) value if set to -1)
410    C     temp_EvPrRn :: temperature of Rain & Evap.
411    C     salt_EvPrRn :: salinity of Rain & Evap.
412    C     trac_EvPrRn :: tracer concentration in Rain & Evap.
413    C        (notes: a) tracer content of Rain/Evap only used if both
414    C                     NonLin_FrSurf & useRealFreshWater are set.
415    C                b) use model surface (local) value if set to UNSET_RL)
416    C     horiVertRatio      :: Ratio on units in vertical to units in horizontal.
417  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
418  C                          ( g*rho if horiz in m and vertical in Pa ).  C                          ( g*rho if horiz in m and vertical in Pa ).
419  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  
420  C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)  C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)
421  C     bottomDragLinear   - Drag coefficient built in to core dynamics  C     bottomDragLinear   :: Drag coefficient built in to core dynamics
422  C         "     Quadratic  ( linear: 1/s, quadratic: 1/m )  C      --"-"--  Quadratic  ( linear: 1/s, quadratic: 1/m )
423        COMMON /PARM_R/ cg2dTargetResidual, cg2dTargetResWunit,        COMMON /PARM_R/ cg2dTargetResidual, cg2dTargetResWunit,
424       & cg2dpcOffDFac, cg3dTargetResidual,       & cg2dpcOffDFac, cg3dTargetResidual,
425       & delP, delZ, delR, delX, delY,       & delP, delZ, delR, delRc, delX, delY,
426       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
427       & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,       & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,
428       & fCori, fCoriG,       & fCori, fCoriG,
429       & viscAh,  viscAz,  viscA4,  viscAr,       & viscAh,  viscAz,  viscA4,  viscAr, viscAstrain, viscAtension,
430       & diffKhT, diffKzT, diffK4T, diffKrT,       & diffKhT, diffKzT, diffK4T, diffKrT,
431       & diffKhS, diffKzS, diffK4S, diffKrS,       & diffKhS, diffKzS, diffK4S, diffKrS,
432       & delT, tauCD, rCD, freeSurfFac, implicSurfPress, implicDiv2Dflow,       & delT, tauCD, rCD, freeSurfFac, implicSurfPress, implicDiv2Dflow,
# Line 416  C         "     Quadratic  ( linear: 1/s Line 441  C         "     Quadratic  ( linear: 1/s
441       & tauSaltClimRelax, lambdaSaltClimRelax,       & tauSaltClimRelax, lambdaSaltClimRelax,
442       & tauTr1ClimRelax, lambdaTr1ClimRelax,       & tauTr1ClimRelax, lambdaTr1ClimRelax,
443       & externForcingCycle, externForcingPeriod,       & externForcingCycle, externForcingPeriod,
444         & convertFW2Salt, temp_EvPrRn, salt_EvPrRn, trac_EvPrRn,
445       & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,       & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
446       & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,       & horiVertRatio, recip_horiVertRatio,
447       & latFFTFiltLo, ivdc_kappa, Ro_SeaLevel, zonal_filt_lat,       & ivdc_kappa, Ro_SeaLevel,
448       & bottomDragLinear,bottomDragQuadratic       & bottomDragLinear,bottomDragQuadratic
449    
450        _RL cg2dTargetResidual        _RL cg2dTargetResidual
# Line 428  C         "     Quadratic  ( linear: 1/s Line 454  C         "     Quadratic  ( linear: 1/s
454        _RL delZ(Nr)        _RL delZ(Nr)
455        _RL delP(Nr)        _RL delP(Nr)
456        _RL delR(Nr)        _RL delR(Nr)
457          _RL delRc(Nr+1)
458        _RL delX(Nx)        _RL delX(Nx)
459        _RL delY(Ny)        _RL delY(Ny)
460        _RL deltaT        _RL deltaT
# Line 451  C         "     Quadratic  ( linear: 1/s Line 478  C         "     Quadratic  ( linear: 1/s
478        _RL hFacSup        _RL hFacSup
479        _RL beta        _RL beta
480        _RL viscAh        _RL viscAh
481          _RL viscAstrain
482          _RL viscAtension
483        _RL viscAz        _RL viscAz
484        _RL viscAp        _RL viscAp
485        _RL viscAr        _RL viscAr
# Line 475  C         "     Quadratic  ( linear: 1/s Line 504  C         "     Quadratic  ( linear: 1/s
504        _RL recip_rhonil        _RL recip_rhonil
505        _RL rhoConst        _RL rhoConst
506        _RL recip_rhoConst        _RL recip_rhoConst
       _RL specVol_S(Nr)  
507        _RL tRef(Nr)        _RL tRef(Nr)
       _RL theta_S(Nr)  
508        _RL sRef(Nr)        _RL sRef(Nr)
509        _RS fCori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RS fCori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
510        _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 506  C         "     Quadratic  ( linear: 1/s Line 533  C         "     Quadratic  ( linear: 1/s
533        _RL lambdaTr1ClimRelax        _RL lambdaTr1ClimRelax
534        _RL externForcingCycle        _RL externForcingCycle
535        _RL externForcingPeriod        _RL externForcingPeriod
536          _RL convertFW2Salt
537          _RL temp_EvPrRn
538          _RL salt_EvPrRn
539          _RL trac_EvPrRn
540        _RL horiVertRatio        _RL horiVertRatio
541        _RL recip_horiVertRatio        _RL recip_horiVertRatio
       _RL latFFTFiltLo  
542        _RL ivdc_kappa        _RL ivdc_kappa
543        _RL Ro_SeaLevel        _RL Ro_SeaLevel
       _RL zonal_filt_lat  
544        _RL bottomDragLinear        _RL bottomDragLinear
545        _RL bottomDragQuadratic        _RL bottomDragQuadratic
546    
# Line 525  C Equation of State (polynomial coeffien Line 554  C Equation of State (polynomial coeffien
554        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
555        _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)
556  C Linear equation of state  C Linear equation of state
557  C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).  C     tAlpha    :: Linear EOS thermal expansion coefficient ( 1/degree ).
558  C     sBeta     - Linear EOS haline contraction coefficient.  C     sBeta     :: Linear EOS haline contraction coefficient.
559        COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType        COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
560        _RL tAlpha        _RL tAlpha
561        _RL sBeta        _RL sBeta
562        character*(6) eosType        character*(6) eosType
563    
564  C Atmospheric physical parameters (Ideal Gas EOS, ...)  C Atmospheric physical parameters (Ideal Gas EOS, ...)
565  C     atm_po    - standard reference pressure  C     atm_po    :: standard reference pressure
566  C     atm_cp    - specific heat (Cp) of the (dry) air at constant pressure  C     atm_cp    :: specific heat (Cp) of the (dry) air at constant pressure
567  C     atm_kappa - kappa = R/Cp (R: constant of Ideal Gas EOS)  C     atm_kappa :: kappa = R/Cp (R: constant of Ideal Gas EOS)
568  C     Integr_GeoPot - option to select the way we integrate the geopotential  C     Integr_GeoPot :: option to select the way we integrate the geopotential
569  C                     (still a subject of discussions ...)  C                     (still a subject of discussions ...)
570        COMMON /PARM_ATM/ atm_cp, atm_kappa, atm_po,        COMMON /PARM_ATM/ atm_cp, atm_kappa, atm_po,
571       &                  Integr_GeoPot       &                  Integr_GeoPot
# Line 551  C Logical flags for selecting packages Line 580  C Logical flags for selecting packages
580        LOGICAL useGrdchk        LOGICAL useGrdchk
581        LOGICAL useECCO        LOGICAL useECCO
582        LOGICAL useSHAP_FILT        LOGICAL useSHAP_FILT
583          LOGICAL useZONAL_FILT
584          LOGICAL useFLT
585          LOGICAL usePTRACERS
586        COMMON /PARM_PACKAGES/        COMMON /PARM_PACKAGES/
587       &        useKPP, useGMRedi, useOBCS, useAIM, useECCO,       &        useKPP, useGMRedi, useOBCS, useAIM, useECCO,
588       &        useSHAP_FILT, useGrdchk       &        useSHAP_FILT, useZONAL_FILT, useGrdchk, useFLT,
589         &        usePTRACERS
590    

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