/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.1 by cnh, Wed Apr 22 19:15:31 1998 UTC revision 1.46 by adcroft, Fri Feb 2 21:04:47 2001 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 = 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     surfQswfile     - File containing surface shortwave radiation
60    C     EmPmRfile       - File containing surface fresh water flux
61    C     buoyancyRelation - Flag used to indicate which relation to use to
62    C                        get buoyancy.
63          COMMON /PARM_C/ checkPtSuff,
64         &                bathyFile, hydrogThetaFile, hydrogSaltFile,
65         &                zonalWindFile, meridWindFile, thetaClimFile,
66         &                saltClimFile, buoyancyRelation,
67         &                EmPmRfile, surfQfile, surfQswfile,
68         &                uVelInitFile, vVelInitFile, pSurfInitFile
69          CHARACTER*(5) checkPtSuff(maxNoChkptLev)
70          CHARACTER*(MAX_LEN_FNAM) bathyFile
71          CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
72          CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
73          CHARACTER*(MAX_LEN_FNAM) zonalWindFile
74          CHARACTER*(MAX_LEN_FNAM) meridWindFile
75          CHARACTER*(MAX_LEN_FNAM) thetaClimFile
76          CHARACTER*(MAX_LEN_FNAM) saltClimFile
77          CHARACTER*(MAX_LEN_FNAM) surfQfile
78          CHARACTER*(MAX_LEN_FNAM) surfQswfile
79          CHARACTER*(MAX_LEN_FNAM) EmPmRfile
80          CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
81          CHARACTER*(MAX_LEN_FNAM) uVelInitFile
82          CHARACTER*(MAX_LEN_FNAM) vVelInitFile
83          CHARACTER*(MAX_LEN_FNAM) pSurfInitFile
84    
85  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
86  C     cg2dMaxIters        - Maximum number of iterations in the  C     cg2dMaxIters        - Maximum number of iterations in the
87  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
88  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      - Frequency with which to check residual
89  C                           in con. grad solver.  C                           in con. grad solver.
90    C     cg3dMaxIters        - Maximum number of iterations in the
91    C                           three-dimensional con. grad solver.
92    C     cg3dChkResFreq      - Frequency with which to check residual
93    C                           in con. grad solver.
94  C     nIter0              - Start time-step number of for this run  C     nIter0              - Start time-step number of for this run
95  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          - Number of timesteps to execute
96  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   - For offline setup. Frequency of pickup
97  C                           of flow fields.  C                           of flow fields.
98    C     writeStatePrec      - Precision used for writing model state.
99    C     writeBinaryPrec     - Precision used for writing binary files
100    C     readBinaryPrec      - Precision used for reading binary files
101    C     nCheckLev           - Holds current checkpoint level
102    C     nShap               - "Order" of shapiro filter to apply to
103    C                           model prognositic fields.
104    C                           nShap == 1 => del2
105    C                           nShap == 2 => del4
106    C                           nShap == 3 => del6
107    C                           etc...
108    
109        COMMON /PARM_I/        COMMON /PARM_I/
110       &        cg2dMaxIters,       &        cg2dMaxIters,
111       &        cg2dChkResFreq,       &        cg2dChkResFreq,
112       &        nIter0, nTimeSteps,       &        cg3dMaxIters,
113       &        numStepsPerPickup       &        cg3dChkResFreq,
114         &        nIter0, nTimeSteps, nEndIter,
115         &        numStepsPerPickup,
116         &        writeStatePrec, nCheckLev,
117         &        writeBinaryPrec, readBinaryPrec,
118         &        nShap, zonal_filt_sinpow, zonal_filt_cospow
119        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
120        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
121          INTEGER cg3dMaxIters
122          INTEGER cg3dChkResFreq
123        INTEGER nIter0        INTEGER nIter0
124        INTEGER nTimeSteps        INTEGER nTimeSteps
125          INTEGER nEndIter
126        INTEGER numStepsPerPickup        INTEGER numStepsPerPickup
127          INTEGER writeStatePrec
128          INTEGER writeBinaryPrec
129          INTEGER readBinaryPrec
130          INTEGER nCheckLev
131          INTEGER nShap
132          INTEGER zonal_filt_sinpow
133          INTEGER zonal_filt_cospow
134    
135  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
136  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian
137  C                          coordinate frame.  C                          coordinate frame.
138  C     usingSphericalPolarGrid - If TRUE grid generation will be in a  C     usingSphericalPolarGrid - If TRUE grid generation will be in a
139  C                               spherical polar frame.  C                               spherical polar frame.
140    C     no_slip_sides - Impose "no-slip" at lateral boundaries.
141    C     no_slip_bottom- Impose "no-slip" at bottom boundary.
142    C     staggerTimeStep - enable a Stagger time stepping T,S Rho then U,V
143  C     momViscosity  - Flag which turns momentum friction terms on and off.  C     momViscosity  - Flag which turns momentum friction terms on and off.
144  C     momAdvection  - Flag which turns advection of momentum on and off.  C     momAdvection  - Flag which turns advection of momentum on and off.
145  C     momForcing    - Flag which turns external forcing of momentum on  C     momForcing    - Flag which turns external forcing of momentum on
146  C                     and off.  C                     and off.
147    C     momPressureForcing - Flag which turns pressure term in momentum equation
148    C                          on and off.
149    C     metricTerms   - Flag which turns metric terms on or off.
150    C     usingSphericalPolarMTerms - If TRUE use spherical polar metric terms.
151  C     useCoriolis   - Flag which turns the coriolis terms on and off.  C     useCoriolis   - Flag which turns the coriolis terms on and off.
152  C     tempDiffusion - Flag which turns diffusion of temperature on  C     tempDiffusion - Flag which turns diffusion of temperature on
153  C                     and off.  C                     and off.
# Line 65  C     saltAdvection - Flag which turns a Line 161  C     saltAdvection - Flag which turns a
161  C                     and off.  C                     and off.
162  C     saltForcing   - Flag which turns external forcing of salinit on  C     saltForcing   - Flag which turns external forcing of salinit on
163  C                     and off.  C                     and off.
164    C     implicitFreeSurface - Set to true to use implcit free surface
165    C     rigidLid            - Set to true to use rigid lid
166    C     momStepping   - Turns momentum equation time-stepping off
167    C     tempStepping  - Turns temperature equation time-stepping off
168    C     saltStepping  - Turns salinity equation time-stepping off
169    C     useConstantF  - Coriolis parameter set to f0
170    C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y
171    C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)
172    C     implicitDiffusion - Turns implicit vertical diffusion on
173    C     implicitViscosity - Turns implicit vertical viscosity on
174    C     doThetaClimRelax - Set true if relaxation to temperature
175    C                        climatology is required.
176    C     doSaltClimRelax  - Set true if relaxation to salinity
177    C                        climatology is required.
178    C     periodicExternalForcing - Set true if forcing is time-dependant
179    C     usingPCoords     - Set to indicate that we are working in pressure
180    C                        coords.
181    C     usingZCoords     - Set to indicate that we are working in height
182    C                        coords.
183    C     nonHydrostatic - Using non-hydrostatic terms
184    C     globalFiles    - Selects between "global" and "tiled" files
185    C     allowFreezing  - Allows water to freeze and form ice
186    C     groundAtK1  - put the surface(k=1) at the Lower Boundary (=ground)
187        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
188       & momViscosity, momAdvection, momForcing, useCoriolis,       & no_slip_sides,no_slip_bottom,
189       & tempDiffusion, tempAdvection, tempForcing,       & staggerTimeStep,
190       & saltDiffusion, saltAdvection, saltForcing       & momViscosity, momAdvection, momForcing, useCoriolis,
191         & momPressureForcing,tempDiffusion, tempAdvection, tempForcing,
192         & saltDiffusion, saltAdvection, saltForcing,
193         & implicitFreeSurface, rigidLid,
194         & momStepping, tempStepping, saltStepping,
195         & metricTerms, usingSphericalPolarMTerms,
196         & useConstantF, useBetaPlaneF, useSphereF,
197         & implicitDiffusion, implicitViscosity,
198         & doThetaClimRelax, doSaltClimRelax,
199         & periodicExternalForcing, usingPCoords, usingZCoords,
200         & nonHydrostatic, globalFiles,
201         & allowFreezing, groundAtK1
202        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
203        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
204          LOGICAL usingSphericalPolarMTerms
205          LOGICAL no_slip_sides
206          LOGICAL no_slip_bottom
207          LOGICAL staggerTimeStep
208        LOGICAL momViscosity        LOGICAL momViscosity
209        LOGICAL momAdvection        LOGICAL momAdvection
210        LOGICAL momForcing        LOGICAL momForcing
211          LOGICAL momPressureForcing
212        LOGICAL useCoriolis        LOGICAL useCoriolis
213        LOGICAL tempDiffusion        LOGICAL tempDiffusion
214        LOGICAL tempAdvection        LOGICAL tempAdvection
# Line 81  C                     and off. Line 216  C                     and off.
216        LOGICAL saltDiffusion        LOGICAL saltDiffusion
217        LOGICAL saltAdvection        LOGICAL saltAdvection
218        LOGICAL saltForcing        LOGICAL saltForcing
219          LOGICAL implicitFreeSurface
220          LOGICAL rigidLid
221          LOGICAL momStepping
222          LOGICAL tempStepping
223          LOGICAL saltStepping
224          LOGICAL metricTerms
225          LOGICAL useConstantF
226          LOGICAL useBetaPlaneF
227          LOGICAL useSphereF
228          LOGICAL implicitDiffusion
229          LOGICAL implicitViscosity
230          LOGICAL doThetaClimRelax
231          LOGICAL doSaltClimRelax
232          LOGICAL periodicExternalForcing
233          LOGICAL usingPCoords
234          LOGICAL usingZCoords
235          LOGICAL nonHydrostatic
236          LOGICAL globalFiles
237          LOGICAL allowFreezing
238          LOGICAL groundAtK1
239    
240  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
241  C     cg2dTargetResidual  C     cg2dTargetResidual
242  C               - Target residual for cg2d solver.  C               - Target residual for cg2d solver.
243  C     delZ      - Vertical grid spacing (Pa) - delZ is the distance  C     cg3dTargetResidual
244  C                 between "w" surfaces.  C               - Target residual for cg3d solver.
245    C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.
246    C     Note. 20th May 1998
247    C           I made a weird discovery! In the model paper we argue
248    C           for the form of the preconditioner used here ( see
249    C           A Finite-volume, Incompressible Navier-Stokes Model
250    C           ...., Marshall et. al ). The algebra gives a simple
251    C           0.5 factor for the averaging of ac and aCw to get a
252    C           symmettric pre-conditioner. By using a factor of 0.51
253    C           i.e. scaling the off-diagonal terms in the
254    C           preconditioner down slightly I managed to get the
255    C           number of iterations for convergence in a test case to
256    C           drop form 192 -> 134! Need to investigate this further!
257    C           For now I have introduced a parameter cg2dpcOffDFac which
258    C           defaults to 0.51 but can be set at runtime.
259    C     delP      - Vertical grid spacing ( Pa ).
260    C     delZ      - Vertical grid spacing ( m  ).
261    C     delR      - Vertical grid spacing ( units of r ).
262  C     delX      - Separation between cell faces (m) or (deg), depending  C     delX      - Separation between cell faces (m) or (deg), depending
263  C     delY        on input flags.  C     delY        on input flags.
264  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   - Accel. due to gravity ( m/s^2 )
265    C     recip_gravity and its inverse
266    C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )
267  C     ronil     - Reference density  C     ronil     - Reference density
268  C     startTime - Start time for model  C     rhoConst  - Vertically constant reference density
269  C     oBandBeg  - Offline bands start and end times.  C     startTime - Start time for model ( s )
 C     oBandEnd  
 C     oPeriodLength - Lenght of offline period.  
270  C     phiMin    - Latitude of southern most cell face.  C     phiMin    - Latitude of southern most cell face.
271  C     thetaMin  - Longitude of western most cell face (this  C     thetaMin  - Longitude of western most cell face (this
272  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
273  C                 to make geographical references simple.)  C                 to make geographical references simple.)
274  C     rSphere   - Radius of sphere for a spherical polar grid.  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).
275    C     recip_RSphere  - Reciprocal radius of sphere ( m ).
276  C     f0        - Reference coriolis parameter ( 1/s )  C     f0        - Reference coriolis parameter ( 1/s )
277  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
278  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      - df/dy ( s^-1.m^-1 )
279    C     omega     - Angular velocity ( rad/s )
280  C     viscAh    - Eddy viscosity coeff. for mixing of  C     viscAh    - Eddy viscosity coeff. for mixing of
281  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
282  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    - Eddy viscosity coeff. for mixing of
283  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
284    C     viscAp    - Eddy viscosity coeff. for mixing of
285    C                 momentum vertically ( Pa^2/s )
286    C     viscAr    - Eddy viscosity coeff. for mixing of
287    C                 momentum vertically ( units of r^2/s )
288  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscA4    - Biharmonic viscosity coeff. for mixing of
289  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
290  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   - Laplacian diffusion coeff. for mixing of
291  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
292  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   - Laplacian diffusion coeff. for mixing of
293  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
294    C     diffKpT   - Laplacian diffusion coeff. for mixing of
295    C                 heat vertically ( Pa^2/s )
296    C     diffKrT   - Laplacian diffusion coeff. for mixing of
297    C                 heat vertically ( units of r^2/s )
298  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffK4T   - Biharmonic diffusion coeff. for mixing of
299  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
300  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  -  Laplacian diffusion coeff. for mixing of
301  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
302  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   - Laplacian diffusion coeff. for mixing of
303  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
304    C     diffKpS   - Laplacian diffusion coeff. for mixing of
305    C                 salt vertically ( Pa^2/s )
306    C     diffKrS   - Laplacian diffusion coeff. for mixing of
307    C                 salt vertically ( units of r^2/s )
308  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffK4S   - Biharmonic diffusion coeff. for mixing of
309  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
310  C     delt      - Timestep ( s )  C     deltaT    - Default timestep ( s )
311  C     tauCD     - CD scheme coupling timescale ( 1/s )  C     deltaTClock  - Timestep used as model "clock". This determines the
312  C     rCD       - CD scheme normalised coupling parameter ( 0-1 )  C                    IO frequencies and is used in tagging output. It can
313  C     startTime - Starting time for this integration ( s ).  C                    be totally different to the dynamical time. Typically
314  C     endTime   - Ending time for this integration ( s ).  C                    it will be the deep-water timestep for accelerated runs.
315  C     chkPtFreq - Frequency of check pointing ( s ).  C                    Frequency of checkpointing and dumping of the model state
316  C     dumpFreq  - Frequency with which model state is written to  C                    are referenced to this clock. ( s )
317  C                 post-processing files ( s ).  C     deltaTMom    - Timestep for momemtum equations ( s )
318        COMMON /PARM_R/ cg2dTargetResidual, delZ, delX, delY,  C     deltaTtracer - Timestep for tracer equations ( s )
319       & deltaTmom, deltaTtracer, abeps, startTime, oBandBeg, oBandEnd,  C     freesurfFac  - Parameter to turn implicit free surface term on or off
320       & oPeriodLength, phiMin, thetaMin, rSphere, f0, fCori, beta,  C                    freesurfac = 1. uses implicit free surface
321       & viscAh, viscAz, viscA4, diffKhT, diffKzT, diffK4T,  C                    freesurfac = 0. uses rigid lid
322       & diffKhS, diffKzS, diffK4S, delT, tauCD, rCD,  C     hFacMin      - Minimum fraction size of a cell (affects hFacC etc...)
323       & tAlpha, sBeta, gravity, rhonil, tRef, sRef,  C     hFacMinDz    - Minimum dimesional size of a cell (affects hFacC etc..., m)
324       & endTime, chkPtFreq, dumpFreq  C     hFacMinDp    - Minimum dimesional size of a cell (affects hFacC etc..., Pa)
325        REAL cg2dTargetResidual  C     hFacMinDr    - Minimum dimesional size of a cell (affects hFacC etc..., units of r)
326        REAL delZ(Nz)  C     tauCD        - CD scheme coupling timescale ( 1/s )
327        REAL delX(Nx)  C     rCD          - CD scheme normalised coupling parameter ( 0-1 )
328        REAL delY(Ny)  C     startTime     - Starting time for this integration ( s ).
329        REAL deltaTmom  C     endTime       - Ending time for this integration ( s ).
330        REAL deltaTtracer  C     chkPtFreq     - Frequency of rolling check pointing ( s ).
331        REAL abeps  C     pChkPtFreq    - Frequency of permanent check pointing ( s ).
332        REAL oBandBeg(nOBands),oBandEnd(nOBands)  C     dumpFreq      - Frequency with which model state is written to
333        REAL oPeriodLength  C                     post-processing files ( s ).
334        REAL phiMin  C     afFacMom      - Advection of momentum term tracer parameter
335        REAL thetaMin  C     vfFacMom      - Momentum viscosity tracer parameter
336        REAL rSphere  C     pfFacMom      - Momentum pressure forcing tracer parameter
337        REAL f0  C     cfFacMom      - Coriolis term tracer parameter
338        _RL  beta  C     foFacMom      - Momentum forcing tracer parameter
339        REAL viscAh  C     mtFacMom      - Metric terms tracer parameter
340        REAL viscAz  C     cosPower      - Power of cosine of latitude to multiply viscosity
341        REAL viscA4  C     cAdjFreq      - Frequency of convective adjustment
342        REAL diffKhT  C
343        REAL diffKzT  C     taveFreq      - Frequency with which time-averaged model state is written to
344        REAL diffK4T  C                     post-processing files ( s ).
345        REAL diffKhS  C     tauThetaClimRelax - Relaxation to climatology time scale ( s ).
346        REAL diffKzS  C     lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ).
347        REAL diffK4S  C     tauSaltClimRelax - Relaxation to climatology time scale ( s ).
348        REAL delt  C     lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ).
349        REAL tauCD  C     externForcingPeriod - Is the period of which forcing varies (eg. 1 month)
350        REAL rCD  C     externForcingCycle - Is the repeat time of the forcing (eg. 1 year)
351        REAL tAlpha  C                          (note: externForcingCycle must be an integer
352        REAL sBeta  C                           number times externForcingPeriod)
353        REAL gravity  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.
354        REAL rhonil  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
355        REAL tRef(Nz)  C                          ( g*rho if horiz in m and vertical in Pa ).
356        REAL sRef(Nz)  C     latFFTFiltLo       - Low latitude for FFT filtering of latitude
357        real Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)  C                          circles ( see filter*.F )
358        REAL startTime  C     Ro_SeaLevel        - standard position of Sea-Level in "R" coordinate, used as
359        REAL endTime  C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)
360        REAL chkPtFreq  C     bottomDragLinear   - Drag coefficient built in to core dynamics
361        REAL dumpFreq  C         "     Quadratic  ( linear: 1/s, quadratic: 1/m )
362        COMMON /PARM_A/ HeatCapacity_Cp,        COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac,
363         & cg3dTargetResidual,
364         & delP, delZ, delR, delX, delY,
365         & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
366         & phiMin, thetaMin, rSphere, recip_RSphere, f0, fCori, beta,
367         & viscAh,  viscAz,  viscA4,  viscAr,
368         & diffKhT, diffKzT, diffK4T, diffKrT,
369         & diffKhS, diffKzS, diffK4S, diffKrS,
370         & delT, tauCD, rCD, freeSurfFac, hFacMin, hFacMinDz,
371         & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
372         & recip_rhoConst, rhoConst, tRef, sRef,
373         & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq,
374         & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
375         & cosPower,
376         & cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax,
377         & tauSaltClimRelax, lambdaSaltClimRelax,
378         & externForcingCycle, externForcingPeriod,
379         & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
380         & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,
381         & latFFTFiltLo, ivdc_kappa, Ro_SeaLevel, zonal_filt_lat,
382         & bottomDragLinear,bottomDragQuadratic
383    
384          _RL cg2dTargetResidual
385          _RL cg3dTargetResidual
386          _RL cg2dpcOffDFac
387          _RL delZ(Nr)
388          _RL delP(Nr)
389          _RL delR(Nr)
390          _RL delX(Nx)
391          _RL delY(Ny)
392          _RL deltaT
393          _RL deltaTClock
394          _RL deltaTmom
395          _RL deltaTtracer
396          _RL abeps
397          _RL phiMin
398          _RL thetaMin
399          _RL rSphere
400          _RL recip_RSphere
401          _RL f0
402          _RL freeSurfFac
403          _RL hFacMin
404          _RL hFacMinDz
405          _RL hFacMinDp
406          _RL hFacMinDr
407          _RL beta
408          _RL viscAh
409          _RL viscAz
410          _RL viscAp
411          _RL viscAr
412          _RL viscA4
413          _RL diffKhT
414          _RL diffKrT
415          _RL diffKzT
416          _RL diffKpT
417          _RL diffK4T
418          _RL diffKhS
419          _RL diffKrS
420          _RL diffKzS
421          _RL diffKpS
422          _RL diffK4S
423          _RL delt
424          _RL tauCD
425          _RL rCD
426          _RL gravity
427          _RL recip_gravity
428          _RL gBaro
429          _RL rhonil
430          _RL recip_rhonil
431          _RL rhoConst
432          _RL recip_rhoConst
433          _RL specVol_S(Nr)
434          _RL tRef(Nr)
435          _RL theta_S(Nr)
436          _RL sRef(Nr)
437          _RS Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
438          _RL startTime
439          _RL endTime
440          _RL chkPtFreq
441          _RL pChkPtFreq
442          _RL dumpFreq
443          _RL taveFreq
444          _RL afFacMom
445          _RL vfFacMom
446          _RL pfFacMom
447          _RL cfFacMom
448          _RL foFacMom
449          _RL mTFacMom
450          _RL cosPower
451          _RL cAdjFreq
452          _RL omega
453          _RL tauThetaClimRelax
454          _RL lambdaThetaClimRelax
455          _RL tauSaltClimRelax
456          _RL lambdaSaltClimRelax
457          _RL externForcingCycle
458          _RL externForcingPeriod
459          _RL horiVertRatio
460          _RL recip_horiVertRatio
461          _RL latFFTFiltLo
462          _RL ivdc_kappa
463          _RL Ro_SeaLevel
464          _RL zonal_filt_lat
465          _RL bottomDragLinear
466          _RL bottomDragQuadratic
467    
468          COMMON /PARM_A/ HeatCapacity_Cp,recip_Cp,
469       &                Lamba_theta       &                Lamba_theta
470        REAL HeatCapacity_Cp        _RL HeatCapacity_Cp
471        REAL Lamba_theta        _RL Lamba_theta
472          _RL recip_Cp
473    
474    C Equation of State (polynomial coeffients)
475          COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
476          _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)
477    C Linear equation of state
478    C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).
479    C     sBeta     - Linear EOS haline contraction coefficient.
480          COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
481          _RL tAlpha
482          _RL sBeta
483          character*(6) eosType
484    
485    C Logical flags for selecting packages
486          LOGICAL useKPP
487          LOGICAL useGMRedi
488          LOGICAL useOBCS
489          LOGICAL useECCO
490          COMMON /PARM_PACKAGES/
491         &        useKPP, useGMRedi, useOBCS, useECCO
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