/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.3 by cnh, Sun Apr 26 23:41:54 1998 UTC revision 1.37 by adcroft, Mon Mar 22 15:54:03 1999 UTC
# Line 4  C     /================================= Line 4  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 = 32 )
27          INTEGER precFloat64
28          PARAMETER ( precFloat64 = 64 )
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     surfQfile       - File containing surface heat flux
59    C     EmPmRfile       - File containing surface fresh water flux
60    C     buoyancyRelation - Flag used to indicate which relation to use to
61    C                        get buoyancy.
62          COMMON /PARM_C/ checkPtSuff,
63         &                bathyFile, hydrogThetaFile, hydrogSaltFile,
64         &                zonalWindFile, meridWindFile, thetaClimFile,
65         &                saltClimFile, buoyancyRelation,
66         &                EmPmRfile,surfQfile
67          CHARACTER*(5) checkPtSuff(maxNoChkptLev)
68          CHARACTER*(MAX_LEN_FNAM) bathyFile
69          CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
70          CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
71          CHARACTER*(MAX_LEN_FNAM) zonalWindFile
72          CHARACTER*(MAX_LEN_FNAM) meridWindFile
73          CHARACTER*(MAX_LEN_FNAM) thetaClimFile
74          CHARACTER*(MAX_LEN_FNAM) saltClimFile
75          CHARACTER*(MAX_LEN_FNAM) surfQfile
76          CHARACTER*(MAX_LEN_FNAM) EmPmRfile
77          CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
78    
79  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
80  C     cg2dMaxIters        - Maximum number of iterations in the  C     cg2dMaxIters        - Maximum number of iterations in the
81  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
82  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      - Frequency with which to check residual
83  C                           in con. grad solver.  C                           in con. grad solver.
84    C     cg3dMaxIters        - Maximum number of iterations in the
85    C                           three-dimensional con. grad solver.
86    C     cg3dChkResFreq      - Frequency with which to check residual
87    C                           in con. grad solver.
88  C     nIter0              - Start time-step number of for this run  C     nIter0              - Start time-step number of for this run
89  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          - Number of timesteps to execute
90  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   - For offline setup. Frequency of pickup
91  C                           of flow fields.  C                           of flow fields.
92    C     writeStatePrec      - Precision used for writing model state.
93    C     writeBinaryPrec     - Precision used for writing binary files
94    C     readBinaryPrec      - Precision used for reading binary files
95    C     nCheckLev           - Holds current checkpoint level
96    C     nShap               - "Order" of shapiro filter to apply to
97    C                           model prognositic fields.
98    C                           nShap == 1 => del2
99    C                           nShap == 2 => del4
100    C                           nShap == 3 => del6
101    C                           etc...
102    
103        COMMON /PARM_I/        COMMON /PARM_I/
104       &        cg2dMaxIters,       &        cg2dMaxIters,
105       &        cg2dChkResFreq,       &        cg2dChkResFreq,
106         &        cg3dMaxIters,
107         &        cg3dChkResFreq,
108       &        nIter0, nTimeSteps,       &        nIter0, nTimeSteps,
109       &        numStepsPerPickup       &        numStepsPerPickup,
110         &        writeStatePrec, nCheckLev,
111         &        writeBinaryPrec, readBinaryPrec,
112         &        nShap
113        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
114        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
115          INTEGER cg3dMaxIters
116          INTEGER cg3dChkResFreq
117        INTEGER nIter0        INTEGER nIter0
118        INTEGER nTimeSteps        INTEGER nTimeSteps
119        INTEGER numStepsPerPickup        INTEGER numStepsPerPickup
120          INTEGER writeStatePrec
121          INTEGER writeBinaryPrec
122          INTEGER readBinaryPrec
123          INTEGER nCheckLev
124          INTEGER nShap
125    
126  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
127  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian
128  C                          coordinate frame.  C                          coordinate frame.
129  C     usingSphericalPolarGrid - If TRUE grid generation will be in a  C     usingSphericalPolarGrid - If TRUE grid generation will be in a
130  C                               spherical polar frame.  C                               spherical polar frame.
131    C     no_slip_sides - Impose "no-slip" at lateral boundaries.
132    C     no_slip_bottom- Impose "no-slip" at bottom boundary.
133  C     momViscosity  - Flag which turns momentum friction terms on and off.  C     momViscosity  - Flag which turns momentum friction terms on and off.
134  C     momAdvection  - Flag which turns advection of momentum on and off.  C     momAdvection  - Flag which turns advection of momentum on and off.
135  C     momForcing    - Flag which turns external forcing of momentum on  C     momForcing    - Flag which turns external forcing of momentum on
136  C                     and off.  C                     and off.
137    C     momPressureForcing - Flag which turns pressure term in momentum equation
138    C                          on and off.
139    C     metricTerms   - Flag which turns metric terms on or off.
140    C     usingSphericalPolarMTerms - If TRUE use spherical polar metric terms.
141  C     useCoriolis   - Flag which turns the coriolis terms on and off.  C     useCoriolis   - Flag which turns the coriolis terms on and off.
142  C     tempDiffusion - Flag which turns diffusion of temperature on  C     tempDiffusion - Flag which turns diffusion of temperature on
143  C                     and off.  C                     and off.
# Line 65  C     saltAdvection - Flag which turns a Line 151  C     saltAdvection - Flag which turns a
151  C                     and off.  C                     and off.
152  C     saltForcing   - Flag which turns external forcing of salinit on  C     saltForcing   - Flag which turns external forcing of salinit on
153  C                     and off.  C                     and off.
154    C     implicitFreeSurface - Set to true to use implcit free surface
155    C     rigidLid            - Set to true to use rigid lid
156    C     momStepping   - Turns momentum equation time-stepping off
157    C     tempStepping  - Turns temperature equation time-stepping off
158    C     saltStepping  - Turns salinity equation time-stepping off
159    C     useConstantF  - Coriolis parameter set to f0
160    C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y
161    C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)
162    C     implicitDiffusion - Turns implicit vertical diffusion on
163    C     doThetaClimRelax - Set true if relaxation to temperature
164    C                        climatology is required.
165    C     doSaltClimRelax  - Set true if relaxation to salinity
166    C                        climatology is required.
167    C     periodicExternalForcing - Set true if forcing is time-dependant
168    C     usingPCoords     - Set to indicate that we are working in pressure
169    C                        coords.
170    C     usingZCoords     - Set to indicate that we are working in height
171    C                        coords.
172    C     openBoundaries - Using open-boundaries
173    C     nonHydrostatic - Using non-hydrostatic terms
174        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
175       & momViscosity, momAdvection, momForcing, useCoriolis,       & no_slip_sides,no_slip_bottom,
176       & tempDiffusion, tempAdvection, tempForcing,       & momViscosity, momAdvection, momForcing, useCoriolis,
177       & saltDiffusion, saltAdvection, saltForcing       & momPressureForcing,tempDiffusion, tempAdvection, tempForcing,
178         & saltDiffusion, saltAdvection, saltForcing,
179         & implicitFreeSurface, rigidLid,
180         & momStepping, tempStepping, saltStepping,
181         & metricTerms, usingSphericalPolarMTerms,
182         & useConstantF, useBetaPlaneF, useSphereF,
183         & implicitDiffusion, doThetaClimRelax, doSaltClimRelax,
184         & periodicExternalForcing, usingPCoords, usingZCoords,
185         & openBoundaries, nonHydrostatic
186        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
187        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
188          LOGICAL usingSphericalPolarMTerms
189          LOGICAL no_slip_sides
190          LOGICAL no_slip_bottom
191        LOGICAL momViscosity        LOGICAL momViscosity
192        LOGICAL momAdvection        LOGICAL momAdvection
193        LOGICAL momForcing        LOGICAL momForcing
194          LOGICAL momPressureForcing
195        LOGICAL useCoriolis        LOGICAL useCoriolis
196        LOGICAL tempDiffusion        LOGICAL tempDiffusion
197        LOGICAL tempAdvection        LOGICAL tempAdvection
# Line 81  C                     and off. Line 199  C                     and off.
199        LOGICAL saltDiffusion        LOGICAL saltDiffusion
200        LOGICAL saltAdvection        LOGICAL saltAdvection
201        LOGICAL saltForcing        LOGICAL saltForcing
202          LOGICAL implicitFreeSurface
203          LOGICAL rigidLid
204          LOGICAL momStepping
205          LOGICAL tempStepping
206          LOGICAL saltStepping
207          LOGICAL metricTerms
208          LOGICAL useConstantF
209          LOGICAL useBetaPlaneF
210          LOGICAL useSphereF
211          LOGICAL implicitDiffusion
212          LOGICAL doThetaClimRelax
213          LOGICAL doSaltClimRelax
214          LOGICAL periodicExternalForcing
215          LOGICAL usingPCoords
216          LOGICAL usingZCoords
217          LOGICAL openBoundaries
218          LOGICAL nonHydrostatic
219    
220  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
221  C     cg2dTargetResidual  C     cg2dTargetResidual
222  C               - Target residual for cg2d solver.  C               - Target residual for cg2d solver.
223  C     delZ      - Vertical grid spacing ( m ) - delZ is the distance  C     cg3dTargetResidual
224  C                 between "w" surfaces.  C               - Target residual for cg3d solver.
225    C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.
226    C     Note. 20th May 1998
227    C           I made a weird discovery! In the model paper we argue
228    C           for the form of the preconditioner used here ( see
229    C           A Finite-volume, Incompressible Navier-Stokes Model
230    C           ...., Marshall et. al ). The algebra gives a simple
231    C           0.5 factor for the averaging of ac and aCw to get a
232    C           symmettric pre-conditioner. By using a factor of 0.51
233    C           i.e. scaling the off-diagonal terms in the
234    C           preconditioner down slightly I managed to get the
235    C           number of iterations for convergence in a test case to
236    C           drop form 192 -> 134! Need to investigate this further!
237    C           For now I have introduced a parameter cg2dpcOffDFac which
238    C           defaults to 0.51 but can be set at runtime.
239    C     delP      - Vertical grid spacing ( Pa ).
240    C     delZ      - Vertical grid spacing ( m  ).
241    C     delR      - Vertical grid spacing ( units of r ).
242  C     delX      - Separation between cell faces (m) or (deg), depending  C     delX      - Separation between cell faces (m) or (deg), depending
243  C     delY        on input flags.  C     delY        on input flags.
244  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   - Accel. due to gravity ( m/s^2 )
245    C     recip_gravity and its inverse
246    C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )
247  C     ronil     - Reference density  C     ronil     - Reference density
248    C     rhoConst  - Vertically constant reference density
249  C     startTime - Start time for model ( s )  C     startTime - Start time for model ( s )
250  C     phiMin    - Latitude of southern most cell face.  C     phiMin    - Latitude of southern most cell face.
251  C     thetaMin  - Longitude of western most cell face (this  C     thetaMin  - Longitude of western most cell face (this
252  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
253  C                 to make geographical references simple.)  C                 to make geographical references simple.)
254  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).
255    C     recip_RSphere  - Reciprocal radius of sphere ( m ).
256  C     f0        - Reference coriolis parameter ( 1/s )  C     f0        - Reference coriolis parameter ( 1/s )
257  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
258  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      - df/dy ( s^-1.m^-1 )
259    C     omega     - Angular velocity ( rad/s )
260  C     viscAh    - Eddy viscosity coeff. for mixing of  C     viscAh    - Eddy viscosity coeff. for mixing of
261  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
262  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    - Eddy viscosity coeff. for mixing of
263  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
264    C     viscAp    - Eddy viscosity coeff. for mixing of
265    C                 momentum vertically ( Pa^2/s )
266    C     viscAr    - Eddy viscosity coeff. for mixing of
267    C                 momentum vertically ( units of r^2/s )
268  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscA4    - Biharmonic viscosity coeff. for mixing of
269  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
270  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   - Laplacian diffusion coeff. for mixing of
271  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
272  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   - Laplacian diffusion coeff. for mixing of
273  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
274    C     diffKpT   - Laplacian diffusion coeff. for mixing of
275    C                 heat vertically ( Pa^2/s )
276    C     diffKrT   - Laplacian diffusion coeff. for mixing of
277    C                 heat vertically ( units of r^2/s )
278  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffK4T   - Biharmonic diffusion coeff. for mixing of
279  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
280  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  -  Laplacian diffusion coeff. for mixing of
281  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
282  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   - Laplacian diffusion coeff. for mixing of
283  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
284    C     diffKpS   - Laplacian diffusion coeff. for mixing of
285    C                 salt vertically ( Pa^2/s )
286    C     diffKrS   - Laplacian diffusion coeff. for mixing of
287    C                 salt vertically ( units of r^2/s )
288  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffK4S   - Biharmonic diffusion coeff. for mixing of
289  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
290  C     deltaT    - Default timestep ( s )  C     deltaT    - Default timestep ( s )
291    C     deltaTClock  - Timestep used as model "clock". This determines the
292    C                    IO frequencies and is used in tagging output. It can
293    C                    be totally different to the dynamical time. Typically
294    C                    it will be the deep-water timestep for accelerated runs.
295    C                    Frequency of checkpointing and dumping of the model state
296    C                    are referenced to this clock. ( s )
297  C     deltaTMom    - Timestep for momemtum equations ( s )  C     deltaTMom    - Timestep for momemtum equations ( s )
298  C     deltaTtracer - Timestep for tracer equations ( s )  C     deltaTtracer - Timestep for tracer equations ( s )
299  C     tauCD     - CD scheme coupling timescale ( 1/s )  C     freesurfFac  - Parameter to turn implicit free surface term on or off
300  C     rCD       - CD scheme normalised coupling parameter ( 0-1 )  C                    freesurfac = 1. uses implicit free surface
301  C     startTime - Starting time for this integration ( s ).  C                    freesurfac = 0. uses rigid lid
302  C     endTime   - Ending time for this integration ( s ).  C     hFacMin      - Minimum fraction size of a cell (affects hFacC etc...)
303  C     chkPtFreq - Frequency of check pointing ( s ).  C     hFacMinDz    - Minimum dimesional size of a cell (affects hFacC etc..., m)
304  C     dumpFreq  - Frequency with which model state is written to  C     hFacMinDp    - Minimum dimesional size of a cell (affects hFacC etc..., Pa)
305  C                 post-processing files ( s ).  C     hFacMinDr    - Minimum dimesional size of a cell (affects hFacC etc..., units of r)
306        COMMON /PARM_R/ cg2dTargetResidual, delZ, delX, delY, deltaT,  C     tauCD        - CD scheme coupling timescale ( 1/s )
307       & deltaTmom, deltaTtracer, abeps, startTime, phiMin, thetaMin,  C     rCD          - CD scheme normalised coupling parameter ( 0-1 )
308       & rSphere, f0, fCori, beta, viscAh, viscAz, viscA4, diffKhT, diffKzT,  C     GMmaxslope    - max. slope allowed in GM/Redi tensor
309       & diffK4T, diffKhS, diffKzS, diffK4S, delT, tauCD, rCD,  C     GMlength      - Length to use in Visbeck et al. formula for K (m)
310       & tAlpha, sBeta, gravity, rhonil, tRef, sRef,  C     GMalpha       - alpha to use in Visbeck et al. formula for K
311       & endTime, chkPtFreq, dumpFreq  C     GMdepth       - Depth over which to integrate Richardson # (Visbeck et al.)
312        REAL cg2dTargetResidual  C     GMkbackground - background value of GM/Redi diffusion coefficient ( m^2/s )
313        REAL delZ(Nz)  C     GMmaxval      - max. value of KapGM allowed in GM/Redi scheme ( m^2/s )
314        REAL delX(Nx)  C     startTime     - Starting time for this integration ( s ).
315        REAL delY(Ny)  C     endTime       - Ending time for this integration ( s ).
316        REAL deltaT  C     chkPtFreq     - Frequency of rolling check pointing ( s ).
317        REAL deltaTmom  C     pChkPtFreq    - Frequency of permanent check pointing ( s ).
318        REAL deltaTtracer  C     dumpFreq      - Frequency with which model state is written to
319        REAL abeps  C                     post-processing files ( s ).
320        REAL phiMin  C     afFacMom      - Advection of momentum term tracer parameter
321        REAL thetaMin  C     vfFacMom      - Momentum viscosity tracer parameter
322        REAL rSphere  C     pfFacMom      - Momentum pressure forcing tracer parameter
323        REAL f0  C     cfFacMom      - Coriolis term tracer parameter
324        _RL  beta  C     foFacMom      - Momentum forcing tracer parameter
325        REAL viscAh  C     mtFacMom      - Metric terms tracer parameter
326        REAL viscAz  C     cAdjFreq      - Frequency of convective adjustment
327        REAL viscA4  C
328        REAL diffKhT  C     taveFreq      - Frequency with which time-averaged model state is written to
329        REAL diffKzT  C                     post-processing files ( s ).
330        REAL diffK4T  C     tauThetaClimRelax - Relaxation to climatology time scale ( s ).
331        REAL diffKhS  C     lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ).
332        REAL diffKzS  C     tauSaltClimRelax - Relaxation to climatology time scale ( s ).
333        REAL diffK4S  C     lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ).
334        REAL delt  C     externForcingPeriod - Is the period of which forcing varies (eg. 1 month)
335        REAL tauCD  C     externForcingCycle - Is the repeat time of the forcing (eg. 1 year)
336        REAL rCD  C                          (note: externForcingCycle must be an integer
337        REAL tAlpha  C                           number times externForcingPeriod)
338        REAL sBeta  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.
339        REAL gravity  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
340        REAL rhonil  C                          ( g*rho if horiz in m and vertical in Pa ).
341        REAL tRef(Nz)  C     latFFTFiltLo       - Low latitude for FFT filtering of latitude
342        REAL sRef(Nz)  C                          circles ( see filter*.F )
343        real Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac,
344        REAL startTime       & cg3dTargetResidual,
345        REAL endTime       & delP, delZ, delR, delX, delY,
346        REAL chkPtFreq       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
347        REAL dumpFreq       & phiMin, thetaMin, rSphere, recip_RSphere, f0, fCori, beta,
348        COMMON /PARM_A/ HeatCapacity_Cp,       & viscAh,  viscAz,  viscA4,  viscAr,
349         & diffKhT, diffKzT, diffK4T, diffKrT,
350         & diffKhS, diffKzS, diffK4S, diffKrS,
351         & delT, tauCD, rCD, freeSurfFac, hFacMin, hFacMinDz,
352         & GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground,GMmaxval,
353         & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
354         & recip_rhoConst, rhoConst, tRef, sRef,
355         & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq,
356         & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
357         & cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax,
358         & tauSaltClimRelax, lambdaSaltClimRelax,
359         & externForcingCycle, externForcingPeriod,
360         & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
361         & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,
362         & latFFTFiltLo
363    
364          _RL cg2dTargetResidual
365          _RL cg3dTargetResidual
366          _RL cg2dpcOffDFac
367          _RL delZ(Nr)
368          _RL delP(Nr)
369          _RL delR(Nr)
370          _RL delX(Nx)
371          _RL delY(Ny)
372          _RL deltaT
373          _RL deltaTClock
374          _RL deltaTmom
375          _RL deltaTtracer
376          _RL abeps
377          _RL phiMin
378          _RL thetaMin
379          _RL rSphere
380          _RL recip_RSphere
381          _RL f0
382          _RL freeSurfFac
383          _RL hFacMin
384          _RL hFacMinDz
385          _RL hFacMinDp
386          _RL hFacMinDr
387          _RL beta
388          _RL viscAh
389          _RL viscAz
390          _RL viscAp
391          _RL viscAr
392          _RL viscA4
393          _RL diffKhT
394          _RL diffKrT
395          _RL diffKzT
396          _RL diffKpT
397          _RL diffK4T
398          _RL diffKhS
399          _RL diffKrS
400          _RL diffKzS
401          _RL diffKpS
402          _RL diffK4S
403          _RL delt
404          _RL tauCD
405          _RL rCD
406          _RL GMmaxslope
407          _RL GMlength
408          _RL GMalpha
409          _RL GMdepth
410          _RL GMkbackground
411          _RL GMmaxval
412          _RL gravity
413          _RL recip_gravity
414          _RL gBaro
415          _RL rhonil
416          _RL recip_rhonil
417          _RL rhoConst
418          _RL recip_rhoConst
419          _RL specVol_S(Nr)
420          _RL tRef(Nr)
421          _RL theta_S(Nr)
422          _RL sRef(Nr)
423          _RS Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
424          _RL startTime
425          _RL endTime
426          _RL chkPtFreq
427          _RL pChkPtFreq
428          _RL dumpFreq
429          _RL taveFreq
430          _RL afFacMom
431          _RL vfFacMom
432          _RL pfFacMom
433          _RL cfFacMom
434          _RL foFacMom
435          _RL mTFacMom
436          _RL cAdjFreq
437          _RL omega
438          _RL tauThetaClimRelax
439          _RL lambdaThetaClimRelax
440          _RL tauSaltClimRelax
441          _RL lambdaSaltClimRelax
442          _RL externForcingCycle
443          _RL externForcingPeriod
444          _RL horiVertRatio
445          _RL recip_horiVertRatio
446          _RL latFFTFiltLo
447    
448          COMMON /PARM_A/ HeatCapacity_Cp,recip_Cp,
449       &                Lamba_theta       &                Lamba_theta
450        REAL HeatCapacity_Cp        _RL HeatCapacity_Cp
451        REAL Lamba_theta        _RL Lamba_theta
452          _RL recip_Cp
453    
454    C Equation of State (polynomial coeffients)
455          COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
456          _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)
457    C Linear equation of state
458    C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).
459    C     sBeta     - Linear EOS haline contraction coefficient.
460          COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
461          _RL tAlpha
462          _RL sBeta
463          character*(6) eosType
464    
465    C These are input arrays (of integers) that contain the *absolute*
466    C computational index of an open-boundary (OB) point.
467    C A zero (0) element means there is no corresponding OB in that column/row.
468    C The computational coordinate refers to "tracer" cells.
469    C For a northern/southern OB, the OB V point is to the south/north.
470    C For an eastern/western OB, the OB U point is to the west/east.
471    C eg.
472    C     OB_Jnorth(3)=34  means that:
473    C          T( 3 ,34) is a an OB point
474    C          U(3:4,34) is a an OB point
475    C          V( 4 ,34) is a an OB point
476    C while
477    C     OB_Jsouth(3)=1  means that:
478    C          T( 3 ,1) is a an OB point
479    C          U(3:4,1) is a an OB point
480    C          V( 4 ,2) is a an OB point
481    C
482    C For convenience, negative values for Jnorth/Ieast refer to
483    C points relative to the Northern/Eastern edges of the model
484    C eg. OB_Jnorth(3)=-1  means that the point (3,Ny-1) is a northern O-B.
485    C
486          COMMON /PARM_OB/
487         & OB_Jnorth,OB_Jsouth,OB_Ieast,OB_Iwest
488          INTEGER OB_Jnorth(Nx)
489          INTEGER OB_Jsouth(Nx)
490          INTEGER OB_Ieast(Ny)
491          INTEGER OB_Iwest(Ny)
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