/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.1 by cnh, Wed Apr 22 19:15:31 1998 UTC revision 1.35 by adcroft, Tue Dec 8 19:44:28 1998 UTC
# Line 1  Line 1 
1  C $Id$  C $Header$
2  C  C
3  C     /==========================================================\  C     /==========================================================\
4  C     | PARAMS.h                                                 |  C     | PARAMS.h                                                 |
5  C     | o Header file defining model "parameters".               |  C     | o Header file defining model "parameters".               |
6  C     |==========================================================|  C     |==========================================================|
7  C     | The values from the model's standard input file are      |  C     | The values from the model standard input file are        |
8  C     | stored into the variables held here. Notes describing    |  C     | stored into the variables held here. Notes describing    |
9  C     | the parameters can also be found here.                   |  C     | the parameters can also be found here.                   |
10  C     \==========================================================/  C     \==========================================================/
11    
12    C     Macros for special grid options
13    #include "PARAMS_MACROS.h"
14    
15  C--   Contants  C--   Contants
 C     nOBands - No. of offline data time bands  
       INTEGER nOBands  
       PARAMETER ( nOBands = 12 )  
16  C     Useful physical values  C     Useful physical values
17        Real*8 PI        Real*8 PI
18        PARAMETER ( PI    = 3.14159265358979323844D0   )        PARAMETER ( PI    = 3.14159265358979323844D0   )
19        Real*8 deg2rad        Real*8 deg2rad
20        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )
21    
22    C     Symbolic values
23    C     precXXXX - Used to indicate what precision to use for
24    C                dumping model state.
25          INTEGER precFloat32
26          PARAMETER ( precFloat32 = 0 )
27          INTEGER precFloat64
28          PARAMETER ( precFloat64 = 1 )
29    C     UNSET_xxx - Used to indicate variables that have not been given a value
30          Real*8 UNSET_FLOAT8
31          PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )
32          Real*4 UNSET_FLOAT4
33          PARAMETER ( UNSET_FLOAT4 = 1.234567E5 )
34          _RL    UNSET_RL    
35          PARAMETER ( UNSET_RL     = 1.234567D5 )
36          _RS    UNSET_RS    
37          PARAMETER ( UNSET_RS     = 1.234567E5 )
38          INTEGER UNSET_I
39          PARAMETER ( UNSET_I      = 123456789  )
40    
41    C     Checkpoint data
42          INTEGER maxNoChkptLev
43          PARAMETER ( maxNoChkptLev = 2 )
44    
45  C--   COMMON /PARM_C/ Character valued parameters used by the model.  C--   COMMON /PARM_C/ Character valued parameters used by the model.
46  C     oBandId  - Offline dataset identifiers for different periods.  C     checkPtSuff - List of checkpoint file suffices
47        COMMON /PARM_C/ oBandId  C     bathyFile   - File containing bathymetry. If not defined bathymetry
48        CHARACTER*3 oBandId(nOBands)  C                   is taken from inline function.
49    C     hydrogThetaFile - File containing initial hydrographic data for potential
50    C                       temperature.
51    C     hydrogSaltFile  - File containing initial hydrographic data for salinity.
52    C     zonalWindFile   - File containing zonal wind data
53    C     meridWindFile   - File containing meridional wind data
54    C     thetaClimFile   - File containing theta climataology used
55    C                       in relaxation term -lambda(theta-theta*)
56    C     saltClimFile    - File containing salt climataology used
57    C                       in relaxation term -lambda(salt-salt*)
58    C     buoyancyRelation - Flag used to indicate which relation to use to
59    C                        get buoyancy.
60          COMMON /PARM_C/ checkPtSuff,
61         &                bathyFile, hydrogThetaFile, hydrogSaltFile,
62         &                zonalWindFile, meridWindFile, thetaClimFile,
63         &                saltClimFile, buoyancyRelation
64          CHARACTER*(5) checkPtSuff(maxNoChkptLev)
65          CHARACTER*(MAX_LEN_FNAM) bathyFile
66          CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
67          CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
68          CHARACTER*(MAX_LEN_FNAM) zonalWindFile
69          CHARACTER*(MAX_LEN_FNAM) meridWindFile
70          CHARACTER*(MAX_LEN_FNAM) thetaClimFile
71          CHARACTER*(MAX_LEN_FNAM) saltClimFile
72          CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
73    
74  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
75  C     cg2dMaxIters        - Maximum number of iterations in the  C     cg2dMaxIters        - Maximum number of iterations in the
76  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
77  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      - Frequency with which to check residual
78  C                           in con. grad solver.  C                           in con. grad solver.
79    C     cg3dMaxIters        - Maximum number of iterations in the
80    C                           three-dimensional con. grad solver.
81    C     cg3dChkResFreq      - Frequency with which to check residual
82    C                           in con. grad solver.
83  C     nIter0              - Start time-step number of for this run  C     nIter0              - Start time-step number of for this run
84  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          - Number of timesteps to execute
85  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   - For offline setup. Frequency of pickup
86  C                           of flow fields.  C                           of flow fields.
87    C     writeStatePrec      - Precision used for writing model state.
88    C     writeBinaryPrec     - Precision used for writing binary files
89    C     readBinaryPrec      - Precision used for reading binary files
90    C     nCheckLev           - Holds current checkpoint level
91    C     nShap               - "Order" of shapiro filter to apply to
92    C                           model prognositic fields.
93    C                           nShap == 1 => del2
94    C                           nShap == 2 => del4
95    C                           nShap == 3 => del6
96    C                           etc...
97    
98        COMMON /PARM_I/        COMMON /PARM_I/
99       &        cg2dMaxIters,       &        cg2dMaxIters,
100       &        cg2dChkResFreq,       &        cg2dChkResFreq,
101         &        cg3dMaxIters,
102         &        cg3dChkResFreq,
103       &        nIter0, nTimeSteps,       &        nIter0, nTimeSteps,
104       &        numStepsPerPickup       &        numStepsPerPickup,
105         &        writeStatePrec, nCheckLev,
106         &        writeBinaryPrec, readBinaryPrec,
107         &        nShap
108        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
109        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
110          INTEGER cg3dMaxIters
111          INTEGER cg3dChkResFreq
112        INTEGER nIter0        INTEGER nIter0
113        INTEGER nTimeSteps        INTEGER nTimeSteps
114        INTEGER numStepsPerPickup        INTEGER numStepsPerPickup
115          INTEGER writeStatePrec
116          INTEGER writeBinaryPrec
117          INTEGER readBinaryPrec
118          INTEGER nCheckLev
119          INTEGER nShap
120    
121  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
122  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian
# Line 52  C     momViscosity  - Flag which turns m Line 127  C     momViscosity  - Flag which turns m
127  C     momAdvection  - Flag which turns advection of momentum on and off.  C     momAdvection  - Flag which turns advection of momentum on and off.
128  C     momForcing    - Flag which turns external forcing of momentum on  C     momForcing    - Flag which turns external forcing of momentum on
129  C                     and off.  C                     and off.
130    C     momPressureForcing - Flag which turns pressure term in momentum equation
131    C                          on and off.
132    C     metricTerms   - Flag which turns metric terms on or off.
133    C     usingSphericalPolarMTerms - If TRUE use spherical polar metric terms.
134  C     useCoriolis   - Flag which turns the coriolis terms on and off.  C     useCoriolis   - Flag which turns the coriolis terms on and off.
135  C     tempDiffusion - Flag which turns diffusion of temperature on  C     tempDiffusion - Flag which turns diffusion of temperature on
136  C                     and off.  C                     and off.
# Line 65  C     saltAdvection - Flag which turns a Line 144  C     saltAdvection - Flag which turns a
144  C                     and off.  C                     and off.
145  C     saltForcing   - Flag which turns external forcing of salinit on  C     saltForcing   - Flag which turns external forcing of salinit on
146  C                     and off.  C                     and off.
147    C     implicitFreeSurface - Set to true to use implcit free surface
148    C     rigidLid            - Set to true to use rigid lid
149    C     momStepping   - Turns momentum equation time-stepping off
150    C     tempStepping  - Turns temperature equation time-stepping off
151    C     saltStepping  - Turns salinity equation time-stepping off
152    C     useConstantF  - Coriolis parameter set to f0
153    C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y
154    C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)
155    C     implicitDiffusion - Turns implicit vertical diffusion on
156    C     doThetaClimRelax - Set true if relaxation to temperature
157    C                        climatology is required.
158    C     doSaltClimRelax  - Set true if relaxation to salinity
159    C                        climatology is required.
160    C     periodicExternalForcing - Set true if forcing is time-dependant
161    C     usingPCoords     - Set to indicate that we are working in pressure
162    C                        coords.
163    C     usingZCoords     - Set to indicate that we are working in height
164    C                        coords.
165    C     openBoundaries - Using open-boundaries
166        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
167       & momViscosity, momAdvection, momForcing, useCoriolis,       & momViscosity, momAdvection, momForcing, useCoriolis,
168       & tempDiffusion, tempAdvection, tempForcing,       & momPressureForcing,tempDiffusion, tempAdvection, tempForcing,
169       & saltDiffusion, saltAdvection, saltForcing       & saltDiffusion, saltAdvection, saltForcing,
170         & implicitFreeSurface, rigidLid,
171         & momStepping, tempStepping, saltStepping,
172         & metricTerms, usingSphericalPolarMTerms,
173         & useConstantF, useBetaPlaneF, useSphereF,
174         & implicitDiffusion, doThetaClimRelax, doSaltClimRelax,
175         & periodicExternalForcing, usingPCoords, usingZCoords,
176         & openBoundaries
177        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
178        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
179          LOGICAL usingSphericalPolarMTerms
180        LOGICAL momViscosity        LOGICAL momViscosity
181        LOGICAL momAdvection        LOGICAL momAdvection
182        LOGICAL momForcing        LOGICAL momForcing
183          LOGICAL momPressureForcing
184        LOGICAL useCoriolis        LOGICAL useCoriolis
185        LOGICAL tempDiffusion        LOGICAL tempDiffusion
186        LOGICAL tempAdvection        LOGICAL tempAdvection
# Line 81  C                     and off. Line 188  C                     and off.
188        LOGICAL saltDiffusion        LOGICAL saltDiffusion
189        LOGICAL saltAdvection        LOGICAL saltAdvection
190        LOGICAL saltForcing        LOGICAL saltForcing
191          LOGICAL implicitFreeSurface
192          LOGICAL rigidLid
193          LOGICAL momStepping
194          LOGICAL tempStepping
195          LOGICAL saltStepping
196          LOGICAL metricTerms
197          LOGICAL useConstantF
198          LOGICAL useBetaPlaneF
199          LOGICAL useSphereF
200          LOGICAL implicitDiffusion
201          LOGICAL doThetaClimRelax
202          LOGICAL doSaltClimRelax
203          LOGICAL periodicExternalForcing
204          LOGICAL usingPCoords
205          LOGICAL usingZCoords
206          LOGICAL openBoundaries
207    
208  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
209  C     cg2dTargetResidual  C     cg2dTargetResidual
210  C               - Target residual for cg2d solver.  C               - Target residual for cg2d solver.
211  C     delZ      - Vertical grid spacing (Pa) - delZ is the distance  C     cg3dTargetResidual
212  C                 between "w" surfaces.  C               - Target residual for cg3d solver.
213    C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.
214    C     Note. 20th May 1998
215    C           I made a weird discovery! In the model paper we argue
216    C           for the form of the preconditioner used here ( see
217    C           A Finite-volume, Incompressible Navier-Stokes Model
218    C           ...., Marshall et. al ). The algebra gives a simple
219    C           0.5 factor for the averaging of ac and aCw to get a
220    C           symmettric pre-conditioner. By using a factor of 0.51
221    C           i.e. scaling the off-diagonal terms in the
222    C           preconditioner down slightly I managed to get the
223    C           number of iterations for convergence in a test case to
224    C           drop form 192 -> 134! Need to investigate this further!
225    C           For now I have introduced a parameter cg2dpcOffDFac which
226    C           defaults to 0.51 but can be set at runtime.
227    C     delP      - Vertical grid spacing ( Pa ).
228    C     delZ      - Vertical grid spacing ( m  ).
229    C     delR      - Vertical grid spacing ( units of r ).
230  C     delX      - Separation between cell faces (m) or (deg), depending  C     delX      - Separation between cell faces (m) or (deg), depending
231  C     delY        on input flags.  C     delY        on input flags.
232  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   - Accel. due to gravity ( m/s^2 )
233    C     recip_gravity and its inverse
234    C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )
235  C     ronil     - Reference density  C     ronil     - Reference density
236  C     startTime - Start time for model  C     rhoConst  - Vertically constant reference density
237  C     oBandBeg  - Offline bands start and end times.  C     startTime - Start time for model ( s )
 C     oBandEnd  
 C     oPeriodLength - Lenght of offline period.  
238  C     phiMin    - Latitude of southern most cell face.  C     phiMin    - Latitude of southern most cell face.
239  C     thetaMin  - Longitude of western most cell face (this  C     thetaMin  - Longitude of western most cell face (this
240  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
241  C                 to make geographical references simple.)  C                 to make geographical references simple.)
242  C     rSphere   - Radius of sphere for a spherical polar grid.  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).
243    C     recip_RSphere  - Reciprocal radius of sphere ( m ).
244  C     f0        - Reference coriolis parameter ( 1/s )  C     f0        - Reference coriolis parameter ( 1/s )
245  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
246  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      - df/dy ( s^-1.m^-1 )
247    C     omega     - Angular velocity ( rad/s )
248  C     viscAh    - Eddy viscosity coeff. for mixing of  C     viscAh    - Eddy viscosity coeff. for mixing of
249  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
250  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    - Eddy viscosity coeff. for mixing of
251  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
252    C     viscAp    - Eddy viscosity coeff. for mixing of
253    C                 momentum vertically ( Pa^2/s )
254    C     viscAr    - Eddy viscosity coeff. for mixing of
255    C                 momentum vertically ( units of r^2/s )
256  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscA4    - Biharmonic viscosity coeff. for mixing of
257  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
258  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   - Laplacian diffusion coeff. for mixing of
259  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
260  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   - Laplacian diffusion coeff. for mixing of
261  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
262    C     diffKpT   - Laplacian diffusion coeff. for mixing of
263    C                 heat vertically ( Pa^2/s )
264    C     diffKrT   - Laplacian diffusion coeff. for mixing of
265    C                 heat vertically ( units of r^2/s )
266  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffK4T   - Biharmonic diffusion coeff. for mixing of
267  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
268  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  -  Laplacian diffusion coeff. for mixing of
269  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
270  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   - Laplacian diffusion coeff. for mixing of
271  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
272    C     diffKpS   - Laplacian diffusion coeff. for mixing of
273    C                 salt vertically ( Pa^2/s )
274    C     diffKrS   - Laplacian diffusion coeff. for mixing of
275    C                 salt vertically ( units of r^2/s )
276  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffK4S   - Biharmonic diffusion coeff. for mixing of
277  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
278  C     delt      - Timestep ( s )  C     deltaT    - Default timestep ( s )
279  C     tauCD     - CD scheme coupling timescale ( 1/s )  C     deltaTClock  - Timestep used as model "clock". This determines the
280  C     rCD       - CD scheme normalised coupling parameter ( 0-1 )  C                    IO frequencies and is used in tagging output. It can
281  C     startTime - Starting time for this integration ( s ).  C                    be totally different to the dynamical time. Typically
282  C     endTime   - Ending time for this integration ( s ).  C                    it will be the deep-water timestep for accelerated runs.
283  C     chkPtFreq - Frequency of check pointing ( s ).  C                    Frequency of checkpointing and dumping of the model state
284  C     dumpFreq  - Frequency with which model state is written to  C                    are referenced to this clock. ( s )
285  C                 post-processing files ( s ).  C     deltaTMom    - Timestep for momemtum equations ( s )
286        COMMON /PARM_R/ cg2dTargetResidual, delZ, delX, delY,  C     deltaTtracer - Timestep for tracer equations ( s )
287       & deltaTmom, deltaTtracer, abeps, startTime, oBandBeg, oBandEnd,  C     freesurfFac  - Parameter to turn implicit free surface term on or off
288       & oPeriodLength, phiMin, thetaMin, rSphere, f0, fCori, beta,  C                    freesurfac = 1. uses implicit free surface
289       & viscAh, viscAz, viscA4, diffKhT, diffKzT, diffK4T,  C                    freesurfac = 0. uses rigid lid
290       & diffKhS, diffKzS, diffK4S, delT, tauCD, rCD,  C     hFacMin      - Minimum fraction size of a cell (affects hFacC etc...)
291       & tAlpha, sBeta, gravity, rhonil, tRef, sRef,  C     hFacMinDz    - Minimum dimesional size of a cell (affects hFacC etc..., m)
292       & endTime, chkPtFreq, dumpFreq  C     hFacMinDp    - Minimum dimesional size of a cell (affects hFacC etc..., Pa)
293        REAL cg2dTargetResidual  C     hFacMinDr    - Minimum dimesional size of a cell (affects hFacC etc..., units of r)
294        REAL delZ(Nz)  C     tauCD        - CD scheme coupling timescale ( 1/s )
295        REAL delX(Nx)  C     rCD          - CD scheme normalised coupling parameter ( 0-1 )
296        REAL delY(Ny)  C     GMmaxslope    - max. slope allowed in GM/Redi tensor
297        REAL deltaTmom  C     GMlength      - Length to use in Visbeck et al. formula for K (m)
298        REAL deltaTtracer  C     GMalpha       - alpha to use in Visbeck et al. formula for K
299        REAL abeps  C     GMdepth       - Depth over which to integrate Richardson # (Visbeck et al.)
300        REAL oBandBeg(nOBands),oBandEnd(nOBands)  C     GMkbackground - background value of GM/Redi diffusion coefficient ( m^2/s )
301        REAL oPeriodLength  C     GMmaxval      - max. value of KapGM allowed in GM/Redi scheme ( m^2/s )
302        REAL phiMin  C     startTime     - Starting time for this integration ( s ).
303        REAL thetaMin  C     endTime       - Ending time for this integration ( s ).
304        REAL rSphere  C     chkPtFreq     - Frequency of rolling check pointing ( s ).
305        REAL f0  C     pChkPtFreq    - Frequency of permanent check pointing ( s ).
306        _RL  beta  C     dumpFreq      - Frequency with which model state is written to
307        REAL viscAh  C                     post-processing files ( s ).
308        REAL viscAz  C     afFacMom      - Advection of momentum term tracer parameter
309        REAL viscA4  C     vfFacMom      - Momentum viscosity tracer parameter
310        REAL diffKhT  C     pfFacMom      - Momentum pressure forcing tracer parameter
311        REAL diffKzT  C     cfFacMom      - Coriolis term tracer parameter
312        REAL diffK4T  C     foFacMom      - Momentum forcing tracer parameter
313        REAL diffKhS  C     mtFacMom      - Metric terms tracer parameter
314        REAL diffKzS  C     cAdjFreq      - Frequency of convective adjustment
315        REAL diffK4S  C
316        REAL delt  C     taveFreq      - Frequency with which time-averaged model state is written to
317        REAL tauCD  C                     post-processing files ( s ).
318        REAL rCD  C     tauThetaClimRelax - Relaxation to climatology time scale ( s ).
319        REAL tAlpha  C     lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ).
320        REAL sBeta  C     tauSaltClimRelax - Relaxation to climatology time scale ( s ).
321        REAL gravity  C     lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ).
322        REAL rhonil  C     externForcingPeriod - Is the period of which forcing varies (eg. 1 month)
323        REAL tRef(Nz)  C     externForcingCycle - Is the repeat time of the forcing (eg. 1 year)
324        REAL sRef(Nz)  C                          (note: externForcingCycle must be an integer
325        real Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)  C                           number times externForcingPeriod)
326        REAL startTime  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.
327        REAL endTime  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
328        REAL chkPtFreq  C                          ( g*rho if horiz in m and vertical in Pa ).
329        REAL dumpFreq  C     latFFTFiltLo       - Low latitude for FFT filtering of latitude
330    C                          circles ( see filter*.F )
331          COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac,
332         & cg3dTargetResidual,
333         & delP, delZ, delR, delX, delY,
334         & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
335         & phiMin, thetaMin, rSphere, recip_RSphere, f0, fCori, beta,
336         & viscAh,  viscAz,  viscA4,  viscAr,
337         & diffKhT, diffKzT, diffK4T, diffKrT,
338         & diffKhS, diffKzS, diffK4S, diffKrS,
339         & delT, tauCD, rCD, freeSurfFac, hFacMin, hFacMinDz,
340         & GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground,GMmaxval,
341         & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
342         & recip_rhoConst, rhoConst, tRef, sRef,
343         & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq,
344         & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
345         & cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax,
346         & tauSaltClimRelax, lambdaSaltClimRelax,
347         & externForcingCycle, externForcingPeriod,
348         & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
349         & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,
350         & latFFTFiltLo
351    
352          _RL cg2dTargetResidual
353          _RL cg3dTargetResidual
354          _RL cg2dpcOffDFac
355          _RL delZ(Nr)
356          _RL delP(Nr)
357          _RL delR(Nr)
358          _RL delX(Nx)
359          _RL delY(Ny)
360          _RL deltaT
361          _RL deltaTClock
362          _RL deltaTmom
363          _RL deltaTtracer
364          _RL abeps
365          _RL phiMin
366          _RL thetaMin
367          _RL rSphere
368          _RL recip_RSphere
369          _RL f0
370          _RL freeSurfFac
371          _RL hFacMin
372          _RL hFacMinDz
373          _RL hFacMinDp
374          _RL hFacMinDr
375          _RL beta
376          _RL viscAh
377          _RL viscAz
378          _RL viscAp
379          _RL viscAr
380          _RL viscA4
381          _RL diffKhT
382          _RL diffKrT
383          _RL diffKzT
384          _RL diffKpT
385          _RL diffK4T
386          _RL diffKhS
387          _RL diffKrS
388          _RL diffKzS
389          _RL diffKpS
390          _RL diffK4S
391          _RL delt
392          _RL tauCD
393          _RL rCD
394          _RL GMmaxslope
395          _RL GMlength
396          _RL GMalpha
397          _RL GMdepth
398          _RL GMkbackground
399          _RL GMmaxval
400          _RL gravity
401          _RL recip_gravity
402          _RL gBaro
403          _RL rhonil
404          _RL recip_rhonil
405          _RL rhoConst
406          _RL recip_rhoConst
407          _RL specVol_S(Nr)
408          _RL tRef(Nr)
409          _RL theta_S(Nr)
410          _RL sRef(Nr)
411          _RS Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
412          _RL startTime
413          _RL endTime
414          _RL chkPtFreq
415          _RL pChkPtFreq
416          _RL dumpFreq
417          _RL taveFreq
418          _RL afFacMom
419          _RL vfFacMom
420          _RL pfFacMom
421          _RL cfFacMom
422          _RL foFacMom
423          _RL mTFacMom
424          _RL cAdjFreq
425          _RL omega
426          _RL tauThetaClimRelax
427          _RL lambdaThetaClimRelax
428          _RL tauSaltClimRelax
429          _RL lambdaSaltClimRelax
430          _RL externForcingCycle
431          _RL externForcingPeriod
432          _RL horiVertRatio
433          _RL recip_horiVertRatio
434          _RL latFFTFiltLo
435    
436        COMMON /PARM_A/ HeatCapacity_Cp,        COMMON /PARM_A/ HeatCapacity_Cp,
437       &                Lamba_theta       &                Lamba_theta
438        REAL HeatCapacity_Cp        _RL HeatCapacity_Cp
439        REAL Lamba_theta        _RL Lamba_theta
440    
441    C Equation of State (polynomial coeffients)
442          COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
443          _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)
444    C Linear equation of state
445    C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).
446    C     sBeta     - Linear EOS haline contraction coefficient.
447          COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
448          _RL tAlpha
449          _RL sBeta
450          character*(6) eosType
451    
452    C These are input arrays (of integers) that contain the *absolute*
453    C computational index of an open-boundary (OB) point.
454    C A zero (0) element means there is no corresponding OB in that column/row.
455    C The computational coordinate refers to "tracer" cells.
456    C For a northern/southern OB, the OB V point is to the south/north.
457    C For an eastern/western OB, the OB U point is to the west/east.
458    C eg.
459    C     OB_Jnorth(3)=34  means that:
460    C          T( 3 ,34) is a an OB point
461    C          U(3:4,34) is a an OB point
462    C          V( 4 ,34) is a an OB point
463    C while
464    C     OB_Jsouth(3)=1  means that:
465    C          T( 3 ,1) is a an OB point
466    C          U(3:4,1) is a an OB point
467    C          V( 4 ,2) is a an OB point
468    C
469    C For convenience, negative values for Jnorth/Ieast refer to
470    C points relative to the Northern/Eastern edges of the model
471    C eg. OB_Jnorth(3)=-1  means that the point (3,Ny-1) is a northern O-B.
472    C
473          COMMON /PARM_OB/
474         & OB_Jnorth,OB_Jsouth,OB_Ieast,OB_Iwest
475          INTEGER OB_Jnorth(Nx)
476          INTEGER OB_Jsouth(Nx)
477          INTEGER OB_Ieast(Ny)
478          INTEGER OB_Iwest(Ny)
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