/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.1 by cnh, Wed Apr 22 19:15:31 1998 UTC revision 1.47 by cnh, Sun Feb 4 14:38:45 2001 UTC
# Line 1  Line 1 
1  C $Id$  C $Header$
2    C $Name$
3  C  C
4  C     /==========================================================\  C     /==========================================================\
5  C     | PARAMS.h                                                 |  C     | PARAMS.h                                                 |
6  C     | o Header file defining model "parameters".               |  C     | o Header file defining model "parameters".               |
7  C     |==========================================================|  C     |==========================================================|
8  C     | The values from the model's standard input file are      |  C     | The values from the model standard input file are        |
9  C     | stored into the variables held here. Notes describing    |  C     | stored into the variables held here. Notes describing    |
10  C     | the parameters can also be found here.                   |  C     | the parameters can also be found here.                   |
11  C     \==========================================================/  C     \==========================================================/
12    
13    C     Macros for special grid options
14    #include "PARAMS_MACROS.h"
15    
16  C--   Contants  C--   Contants
 C     nOBands - No. of offline data time bands  
       INTEGER nOBands  
       PARAMETER ( nOBands = 12 )  
17  C     Useful physical values  C     Useful physical values
18        Real*8 PI        Real*8 PI
19        PARAMETER ( PI    = 3.14159265358979323844D0   )        PARAMETER ( PI    = 3.14159265358979323844D0   )
20        Real*8 deg2rad        Real*8 deg2rad
21        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )
22    
23    C     Symbolic values
24    C     precXXXX - Used to indicate what precision to use for
25    C                dumping model state.
26          INTEGER precFloat32
27          PARAMETER ( precFloat32 = 32 )
28          INTEGER precFloat64
29          PARAMETER ( precFloat64 = 64 )
30    C     UNSET_xxx - Used to indicate variables that have not been given a value
31          Real*8 UNSET_FLOAT8
32          PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )
33          Real*4 UNSET_FLOAT4
34          PARAMETER ( UNSET_FLOAT4 = 1.234567E5 )
35          _RL    UNSET_RL    
36          PARAMETER ( UNSET_RL     = 1.234567D5 )
37          _RS    UNSET_RS    
38          PARAMETER ( UNSET_RS     = 1.234567E5 )
39          INTEGER UNSET_I
40          PARAMETER ( UNSET_I      = 123456789  )
41    
42    C     Checkpoint data
43          INTEGER maxNoChkptLev
44          PARAMETER ( maxNoChkptLev = 2 )
45    
46  C--   COMMON /PARM_C/ Character valued parameters used by the model.  C--   COMMON /PARM_C/ Character valued parameters used by the model.
47  C     oBandId  - Offline dataset identifiers for different periods.  C     checkPtSuff - List of checkpoint file suffices
48        COMMON /PARM_C/ oBandId  C     bathyFile   - File containing bathymetry. If not defined bathymetry
49        CHARACTER*3 oBandId(nOBands)  C                   is taken from inline function.
50    C     hydrogThetaFile - File containing initial hydrographic data for potential
51    C                       temperature.
52    C     hydrogSaltFile  - File containing initial hydrographic data for salinity.
53    C     zonalWindFile   - File containing zonal wind data
54    C     meridWindFile   - File containing meridional wind data
55    C     thetaClimFile   - File containing theta climataology used
56    C                       in relaxation term -lambda(theta-theta*)
57    C     saltClimFile    - File containing salt climataology used
58    C                       in relaxation term -lambda(salt-salt*)
59    C     surfQfile       - File containing surface heat flux
60    C     surfQswfile     - File containing surface shortwave radiation
61    C     EmPmRfile       - File containing surface fresh water flux
62    C     buoyancyRelation - Flag used to indicate which relation to use to
63    C                        get buoyancy.
64          COMMON /PARM_C/ checkPtSuff,
65         &                bathyFile, hydrogThetaFile, hydrogSaltFile,
66         &                zonalWindFile, meridWindFile, thetaClimFile,
67         &                saltClimFile, buoyancyRelation,
68         &                EmPmRfile, surfQfile, surfQswfile,
69         &                uVelInitFile, vVelInitFile, pSurfInitFile
70          CHARACTER*(5) checkPtSuff(maxNoChkptLev)
71          CHARACTER*(MAX_LEN_FNAM) bathyFile
72          CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
73          CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
74          CHARACTER*(MAX_LEN_FNAM) zonalWindFile
75          CHARACTER*(MAX_LEN_FNAM) meridWindFile
76          CHARACTER*(MAX_LEN_FNAM) thetaClimFile
77          CHARACTER*(MAX_LEN_FNAM) saltClimFile
78          CHARACTER*(MAX_LEN_FNAM) surfQfile
79          CHARACTER*(MAX_LEN_FNAM) surfQswfile
80          CHARACTER*(MAX_LEN_FNAM) EmPmRfile
81          CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
82          CHARACTER*(MAX_LEN_FNAM) uVelInitFile
83          CHARACTER*(MAX_LEN_FNAM) vVelInitFile
84          CHARACTER*(MAX_LEN_FNAM) pSurfInitFile
85    
86  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
87  C     cg2dMaxIters        - Maximum number of iterations in the  C     cg2dMaxIters        - Maximum number of iterations in the
88  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
89  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      - Frequency with which to check residual
90  C                           in con. grad solver.  C                           in con. grad solver.
91    C     cg3dMaxIters        - Maximum number of iterations in the
92    C                           three-dimensional con. grad solver.
93    C     cg3dChkResFreq      - Frequency with which to check residual
94    C                           in con. grad solver.
95  C     nIter0              - Start time-step number of for this run  C     nIter0              - Start time-step number of for this run
96  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          - Number of timesteps to execute
97  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   - For offline setup. Frequency of pickup
98  C                           of flow fields.  C                           of flow fields.
99    C     writeStatePrec      - Precision used for writing model state.
100    C     writeBinaryPrec     - Precision used for writing binary files
101    C     readBinaryPrec      - Precision used for reading binary files
102    C     nCheckLev           - Holds current checkpoint level
103    C     nShap               - "Order" of shapiro filter to apply to
104    C                           model prognositic fields.
105    C                           nShap == 1 => del2
106    C                           nShap == 2 => del4
107    C                           nShap == 3 => del6
108    C                           etc...
109    
110        COMMON /PARM_I/        COMMON /PARM_I/
111       &        cg2dMaxIters,       &        cg2dMaxIters,
112       &        cg2dChkResFreq,       &        cg2dChkResFreq,
113       &        nIter0, nTimeSteps,       &        cg3dMaxIters,
114       &        numStepsPerPickup       &        cg3dChkResFreq,
115         &        nIter0, nTimeSteps, nEndIter,
116         &        numStepsPerPickup,
117         &        writeStatePrec, nCheckLev,
118         &        writeBinaryPrec, readBinaryPrec,
119         &        nShap, zonal_filt_sinpow, zonal_filt_cospow
120        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
121        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
122          INTEGER cg3dMaxIters
123          INTEGER cg3dChkResFreq
124        INTEGER nIter0        INTEGER nIter0
125        INTEGER nTimeSteps        INTEGER nTimeSteps
126          INTEGER nEndIter
127        INTEGER numStepsPerPickup        INTEGER numStepsPerPickup
128          INTEGER writeStatePrec
129          INTEGER writeBinaryPrec
130          INTEGER readBinaryPrec
131          INTEGER nCheckLev
132          INTEGER nShap
133          INTEGER zonal_filt_sinpow
134          INTEGER zonal_filt_cospow
135    
136  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
137  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian
138  C                          coordinate frame.  C                          coordinate frame.
139  C     usingSphericalPolarGrid - If TRUE grid generation will be in a  C     usingSphericalPolarGrid - If TRUE grid generation will be in a
140  C                               spherical polar frame.  C                               spherical polar frame.
141    C     no_slip_sides - Impose "no-slip" at lateral boundaries.
142    C     no_slip_bottom- Impose "no-slip" at bottom boundary.
143    C     staggerTimeStep - enable a Stagger time stepping T,S Rho then U,V
144  C     momViscosity  - Flag which turns momentum friction terms on and off.  C     momViscosity  - Flag which turns momentum friction terms on and off.
145  C     momAdvection  - Flag which turns advection of momentum on and off.  C     momAdvection  - Flag which turns advection of momentum on and off.
146  C     momForcing    - Flag which turns external forcing of momentum on  C     momForcing    - Flag which turns external forcing of momentum on
147  C                     and off.  C                     and off.
148    C     momPressureForcing - Flag which turns pressure term in momentum equation
149    C                          on and off.
150    C     metricTerms   - Flag which turns metric terms on or off.
151    C     usingSphericalPolarMTerms - If TRUE use spherical polar metric terms.
152  C     useCoriolis   - Flag which turns the coriolis terms on and off.  C     useCoriolis   - Flag which turns the coriolis terms on and off.
153  C     tempDiffusion - Flag which turns diffusion of temperature on  C     tempDiffusion - Flag which turns diffusion of temperature on
154  C                     and off.  C                     and off.
# Line 65  C     saltAdvection - Flag which turns a Line 162  C     saltAdvection - Flag which turns a
162  C                     and off.  C                     and off.
163  C     saltForcing   - Flag which turns external forcing of salinit on  C     saltForcing   - Flag which turns external forcing of salinit on
164  C                     and off.  C                     and off.
165    C     implicitFreeSurface - Set to true to use implcit free surface
166    C     rigidLid            - Set to true to use rigid lid
167    C     momStepping   - Turns momentum equation time-stepping off
168    C     tempStepping  - Turns temperature equation time-stepping off
169    C     saltStepping  - Turns salinity equation time-stepping off
170    C     useConstantF  - Coriolis parameter set to f0
171    C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y
172    C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)
173    C     implicitDiffusion - Turns implicit vertical diffusion on
174    C     implicitViscosity - Turns implicit vertical viscosity on
175    C     doThetaClimRelax - Set true if relaxation to temperature
176    C                        climatology is required.
177    C     doSaltClimRelax  - Set true if relaxation to salinity
178    C                        climatology is required.
179    C     periodicExternalForcing - Set true if forcing is time-dependant
180    C     usingPCoords     - Set to indicate that we are working in pressure
181    C                        coords.
182    C     usingZCoords     - Set to indicate that we are working in height
183    C                        coords.
184    C     nonHydrostatic - Using non-hydrostatic terms
185    C     globalFiles    - Selects between "global" and "tiled" files
186    C     allowFreezing  - Allows water to freeze and form ice
187    C     groundAtK1  - put the surface(k=1) at the Lower Boundary (=ground)
188        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
189       & momViscosity, momAdvection, momForcing, useCoriolis,       & no_slip_sides,no_slip_bottom,
190       & tempDiffusion, tempAdvection, tempForcing,       & staggerTimeStep,
191       & saltDiffusion, saltAdvection, saltForcing       & momViscosity, momAdvection, momForcing, useCoriolis,
192         & momPressureForcing,tempDiffusion, tempAdvection, tempForcing,
193         & saltDiffusion, saltAdvection, saltForcing,
194         & implicitFreeSurface, rigidLid,
195         & momStepping, tempStepping, saltStepping,
196         & metricTerms, usingSphericalPolarMTerms,
197         & useConstantF, useBetaPlaneF, useSphereF,
198         & implicitDiffusion, implicitViscosity,
199         & doThetaClimRelax, doSaltClimRelax,
200         & periodicExternalForcing, usingPCoords, usingZCoords,
201         & nonHydrostatic, globalFiles,
202         & allowFreezing, groundAtK1
203        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
204        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
205          LOGICAL usingSphericalPolarMTerms
206          LOGICAL no_slip_sides
207          LOGICAL no_slip_bottom
208          LOGICAL staggerTimeStep
209        LOGICAL momViscosity        LOGICAL momViscosity
210        LOGICAL momAdvection        LOGICAL momAdvection
211        LOGICAL momForcing        LOGICAL momForcing
212          LOGICAL momPressureForcing
213        LOGICAL useCoriolis        LOGICAL useCoriolis
214        LOGICAL tempDiffusion        LOGICAL tempDiffusion
215        LOGICAL tempAdvection        LOGICAL tempAdvection
# Line 81  C                     and off. Line 217  C                     and off.
217        LOGICAL saltDiffusion        LOGICAL saltDiffusion
218        LOGICAL saltAdvection        LOGICAL saltAdvection
219        LOGICAL saltForcing        LOGICAL saltForcing
220          LOGICAL implicitFreeSurface
221          LOGICAL rigidLid
222          LOGICAL momStepping
223          LOGICAL tempStepping
224          LOGICAL saltStepping
225          LOGICAL metricTerms
226          LOGICAL useConstantF
227          LOGICAL useBetaPlaneF
228          LOGICAL useSphereF
229          LOGICAL implicitDiffusion
230          LOGICAL implicitViscosity
231          LOGICAL doThetaClimRelax
232          LOGICAL doSaltClimRelax
233          LOGICAL periodicExternalForcing
234          LOGICAL usingPCoords
235          LOGICAL usingZCoords
236          LOGICAL nonHydrostatic
237          LOGICAL globalFiles
238          LOGICAL allowFreezing
239          LOGICAL groundAtK1
240    
241  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
242  C     cg2dTargetResidual  C     cg2dTargetResidual
243  C               - Target residual for cg2d solver.  C               - Target residual for cg2d solver.
244  C     delZ      - Vertical grid spacing (Pa) - delZ is the distance  C     cg3dTargetResidual
245  C                 between "w" surfaces.  C               - Target residual for cg3d solver.
246    C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.
247    C     Note. 20th May 1998
248    C           I made a weird discovery! In the model paper we argue
249    C           for the form of the preconditioner used here ( see
250    C           A Finite-volume, Incompressible Navier-Stokes Model
251    C           ...., Marshall et. al ). The algebra gives a simple
252    C           0.5 factor for the averaging of ac and aCw to get a
253    C           symmettric pre-conditioner. By using a factor of 0.51
254    C           i.e. scaling the off-diagonal terms in the
255    C           preconditioner down slightly I managed to get the
256    C           number of iterations for convergence in a test case to
257    C           drop form 192 -> 134! Need to investigate this further!
258    C           For now I have introduced a parameter cg2dpcOffDFac which
259    C           defaults to 0.51 but can be set at runtime.
260    C     delP      - Vertical grid spacing ( Pa ).
261    C     delZ      - Vertical grid spacing ( m  ).
262    C     delR      - Vertical grid spacing ( units of r ).
263  C     delX      - Separation between cell faces (m) or (deg), depending  C     delX      - Separation between cell faces (m) or (deg), depending
264  C     delY        on input flags.  C     delY        on input flags.
265  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   - Accel. due to gravity ( m/s^2 )
266    C     recip_gravity and its inverse
267    C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )
268  C     ronil     - Reference density  C     ronil     - Reference density
269  C     startTime - Start time for model  C     rhoConst  - Vertically constant reference density
270  C     oBandBeg  - Offline bands start and end times.  C     startTime - Start time for model ( s )
 C     oBandEnd  
 C     oPeriodLength - Lenght of offline period.  
271  C     phiMin    - Latitude of southern most cell face.  C     phiMin    - Latitude of southern most cell face.
272  C     thetaMin  - Longitude of western most cell face (this  C     thetaMin  - Longitude of western most cell face (this
273  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
274  C                 to make geographical references simple.)  C                 to make geographical references simple.)
275  C     rSphere   - Radius of sphere for a spherical polar grid.  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).
276    C     recip_RSphere  - Reciprocal radius of sphere ( m ).
277  C     f0        - Reference coriolis parameter ( 1/s )  C     f0        - Reference coriolis parameter ( 1/s )
278  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
279  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      - df/dy ( s^-1.m^-1 )
280    C     omega     - Angular velocity ( rad/s )
281  C     viscAh    - Eddy viscosity coeff. for mixing of  C     viscAh    - Eddy viscosity coeff. for mixing of
282  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
283  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    - Eddy viscosity coeff. for mixing of
284  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
285    C     viscAp    - Eddy viscosity coeff. for mixing of
286    C                 momentum vertically ( Pa^2/s )
287    C     viscAr    - Eddy viscosity coeff. for mixing of
288    C                 momentum vertically ( units of r^2/s )
289  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscA4    - Biharmonic viscosity coeff. for mixing of
290  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
291  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   - Laplacian diffusion coeff. for mixing of
292  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
293  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   - Laplacian diffusion coeff. for mixing of
294  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
295    C     diffKpT   - Laplacian diffusion coeff. for mixing of
296    C                 heat vertically ( Pa^2/s )
297    C     diffKrT   - Laplacian diffusion coeff. for mixing of
298    C                 heat vertically ( units of r^2/s )
299  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffK4T   - Biharmonic diffusion coeff. for mixing of
300  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
301  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  -  Laplacian diffusion coeff. for mixing of
302  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
303  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   - Laplacian diffusion coeff. for mixing of
304  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
305    C     diffKpS   - Laplacian diffusion coeff. for mixing of
306    C                 salt vertically ( Pa^2/s )
307    C     diffKrS   - Laplacian diffusion coeff. for mixing of
308    C                 salt vertically ( units of r^2/s )
309  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffK4S   - Biharmonic diffusion coeff. for mixing of
310  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
311  C     delt      - Timestep ( s )  C     deltaT    - Default timestep ( s )
312  C     tauCD     - CD scheme coupling timescale ( 1/s )  C     deltaTClock  - Timestep used as model "clock". This determines the
313  C     rCD       - CD scheme normalised coupling parameter ( 0-1 )  C                    IO frequencies and is used in tagging output. It can
314  C     startTime - Starting time for this integration ( s ).  C                    be totally different to the dynamical time. Typically
315  C     endTime   - Ending time for this integration ( s ).  C                    it will be the deep-water timestep for accelerated runs.
316  C     chkPtFreq - Frequency of check pointing ( s ).  C                    Frequency of checkpointing and dumping of the model state
317  C     dumpFreq  - Frequency with which model state is written to  C                    are referenced to this clock. ( s )
318  C                 post-processing files ( s ).  C     deltaTMom    - Timestep for momemtum equations ( s )
319        COMMON /PARM_R/ cg2dTargetResidual, delZ, delX, delY,  C     deltaTtracer - Timestep for tracer equations ( s )
320       & deltaTmom, deltaTtracer, abeps, startTime, oBandBeg, oBandEnd,  C     freesurfFac  - Parameter to turn implicit free surface term on or off
321       & oPeriodLength, phiMin, thetaMin, rSphere, f0, fCori, beta,  C                    freesurfac = 1. uses implicit free surface
322       & viscAh, viscAz, viscA4, diffKhT, diffKzT, diffK4T,  C                    freesurfac = 0. uses rigid lid
323       & diffKhS, diffKzS, diffK4S, delT, tauCD, rCD,  C     hFacMin      - Minimum fraction size of a cell (affects hFacC etc...)
324       & tAlpha, sBeta, gravity, rhonil, tRef, sRef,  C     hFacMinDz    - Minimum dimesional size of a cell (affects hFacC etc..., m)
325       & endTime, chkPtFreq, dumpFreq  C     hFacMinDp    - Minimum dimesional size of a cell (affects hFacC etc..., Pa)
326        REAL cg2dTargetResidual  C     hFacMinDr    - Minimum dimesional size of a cell (affects hFacC etc..., units of r)
327        REAL delZ(Nz)  C     tauCD        - CD scheme coupling timescale ( 1/s )
328        REAL delX(Nx)  C     rCD          - CD scheme normalised coupling parameter ( 0-1 )
329        REAL delY(Ny)  C     startTime     - Starting time for this integration ( s ).
330        REAL deltaTmom  C     endTime       - Ending time for this integration ( s ).
331        REAL deltaTtracer  C     chkPtFreq     - Frequency of rolling check pointing ( s ).
332        REAL abeps  C     pChkPtFreq    - Frequency of permanent check pointing ( s ).
333        REAL oBandBeg(nOBands),oBandEnd(nOBands)  C     dumpFreq      - Frequency with which model state is written to
334        REAL oPeriodLength  C                     post-processing files ( s ).
335        REAL phiMin  C     afFacMom      - Advection of momentum term tracer parameter
336        REAL thetaMin  C     vfFacMom      - Momentum viscosity tracer parameter
337        REAL rSphere  C     pfFacMom      - Momentum pressure forcing tracer parameter
338        REAL f0  C     cfFacMom      - Coriolis term tracer parameter
339        _RL  beta  C     foFacMom      - Momentum forcing tracer parameter
340        REAL viscAh  C     mtFacMom      - Metric terms tracer parameter
341        REAL viscAz  C     cosPower      - Power of cosine of latitude to multiply viscosity
342        REAL viscA4  C     cAdjFreq      - Frequency of convective adjustment
343        REAL diffKhT  C
344        REAL diffKzT  C     taveFreq      - Frequency with which time-averaged model state is written to
345        REAL diffK4T  C                     post-processing files ( s ).
346        REAL diffKhS  C     tauThetaClimRelax - Relaxation to climatology time scale ( s ).
347        REAL diffKzS  C     lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ).
348        REAL diffK4S  C     tauSaltClimRelax - Relaxation to climatology time scale ( s ).
349        REAL delt  C     lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ).
350        REAL tauCD  C     externForcingPeriod - Is the period of which forcing varies (eg. 1 month)
351        REAL rCD  C     externForcingCycle - Is the repeat time of the forcing (eg. 1 year)
352        REAL tAlpha  C                          (note: externForcingCycle must be an integer
353        REAL sBeta  C                           number times externForcingPeriod)
354        REAL gravity  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.
355        REAL rhonil  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
356        REAL tRef(Nz)  C                          ( g*rho if horiz in m and vertical in Pa ).
357        REAL sRef(Nz)  C     latFFTFiltLo       - Low latitude for FFT filtering of latitude
358        real Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)  C                          circles ( see filter*.F )
359        REAL startTime  C     Ro_SeaLevel        - standard position of Sea-Level in "R" coordinate, used as
360        REAL endTime  C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)
361        REAL chkPtFreq  C     bottomDragLinear   - Drag coefficient built in to core dynamics
362        REAL dumpFreq  C         "     Quadratic  ( linear: 1/s, quadratic: 1/m )
363        COMMON /PARM_A/ HeatCapacity_Cp,        COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac,
364         & cg3dTargetResidual,
365         & delP, delZ, delR, delX, delY,
366         & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
367         & phiMin, thetaMin, rSphere, recip_RSphere, f0, fCori, beta,
368         & viscAh,  viscAz,  viscA4,  viscAr,
369         & diffKhT, diffKzT, diffK4T, diffKrT,
370         & diffKhS, diffKzS, diffK4S, diffKrS,
371         & delT, tauCD, rCD, freeSurfFac, hFacMin, hFacMinDz,
372         & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
373         & recip_rhoConst, rhoConst, tRef, sRef,
374         & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq,
375         & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
376         & cosPower,
377         & cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax,
378         & tauSaltClimRelax, lambdaSaltClimRelax,
379         & externForcingCycle, externForcingPeriod,
380         & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
381         & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,
382         & latFFTFiltLo, ivdc_kappa, Ro_SeaLevel, zonal_filt_lat,
383         & bottomDragLinear,bottomDragQuadratic
384    
385          _RL cg2dTargetResidual
386          _RL cg3dTargetResidual
387          _RL cg2dpcOffDFac
388          _RL delZ(Nr)
389          _RL delP(Nr)
390          _RL delR(Nr)
391          _RL delX(Nx)
392          _RL delY(Ny)
393          _RL deltaT
394          _RL deltaTClock
395          _RL deltaTmom
396          _RL deltaTtracer
397          _RL abeps
398          _RL phiMin
399          _RL thetaMin
400          _RL rSphere
401          _RL recip_RSphere
402          _RL f0
403          _RL freeSurfFac
404          _RL hFacMin
405          _RL hFacMinDz
406          _RL hFacMinDp
407          _RL hFacMinDr
408          _RL beta
409          _RL viscAh
410          _RL viscAz
411          _RL viscAp
412          _RL viscAr
413          _RL viscA4
414          _RL diffKhT
415          _RL diffKrT
416          _RL diffKzT
417          _RL diffKpT
418          _RL diffK4T
419          _RL diffKhS
420          _RL diffKrS
421          _RL diffKzS
422          _RL diffKpS
423          _RL diffK4S
424          _RL delt
425          _RL tauCD
426          _RL rCD
427          _RL gravity
428          _RL recip_gravity
429          _RL gBaro
430          _RL rhonil
431          _RL recip_rhonil
432          _RL rhoConst
433          _RL recip_rhoConst
434          _RL specVol_S(Nr)
435          _RL tRef(Nr)
436          _RL theta_S(Nr)
437          _RL sRef(Nr)
438          _RS Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
439          _RL startTime
440          _RL endTime
441          _RL chkPtFreq
442          _RL pChkPtFreq
443          _RL dumpFreq
444          _RL taveFreq
445          _RL afFacMom
446          _RL vfFacMom
447          _RL pfFacMom
448          _RL cfFacMom
449          _RL foFacMom
450          _RL mTFacMom
451          _RL cosPower
452          _RL cAdjFreq
453          _RL omega
454          _RL tauThetaClimRelax
455          _RL lambdaThetaClimRelax
456          _RL tauSaltClimRelax
457          _RL lambdaSaltClimRelax
458          _RL externForcingCycle
459          _RL externForcingPeriod
460          _RL horiVertRatio
461          _RL recip_horiVertRatio
462          _RL latFFTFiltLo
463          _RL ivdc_kappa
464          _RL Ro_SeaLevel
465          _RL zonal_filt_lat
466          _RL bottomDragLinear
467          _RL bottomDragQuadratic
468    
469          COMMON /PARM_A/ HeatCapacity_Cp,recip_Cp,
470       &                Lamba_theta       &                Lamba_theta
471        REAL HeatCapacity_Cp        _RL HeatCapacity_Cp
472        REAL Lamba_theta        _RL Lamba_theta
473          _RL recip_Cp
474    
475    C Equation of State (polynomial coeffients)
476          COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
477          _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)
478    C Linear equation of state
479    C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).
480    C     sBeta     - Linear EOS haline contraction coefficient.
481          COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
482          _RL tAlpha
483          _RL sBeta
484          character*(6) eosType
485    
486    C Logical flags for selecting packages
487          LOGICAL useKPP
488          LOGICAL useGMRedi
489          LOGICAL useOBCS
490          LOGICAL useECCO
491          COMMON /PARM_PACKAGES/
492         &        useKPP, useGMRedi, useOBCS, useECCO
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