/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.2 by cnh, Fri Apr 24 02:11:37 1998 UTC revision 1.56 by heimbach, Fri Jul 13 14:15:29 2001 UTC
# Line 1  Line 1 
1  C $Header$  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     topoFile    - File containing the topography of the surface (unit=m)
51    C                   (mainly used for the atmosphere = ground height).
52    C     hydrogThetaFile - File containing initial hydrographic data for potential
53    C                       temperature.
54    C     hydrogSaltFile  - File containing initial hydrographic data for salinity.
55    C     zonalWindFile   - File containing zonal wind data
56    C     meridWindFile   - File containing meridional wind data
57    C     thetaClimFile   - File containing theta climataology used
58    C                       in relaxation term -lambda(theta-theta*)
59    C     saltClimFile    - File containing salt climataology used
60    C                       in relaxation term -lambda(salt-salt*)
61    C     surfQfile       - File containing surface heat flux
62    C     surfQswfile     - File containing surface shortwave radiation
63    C     dQdTfile        - File containing thermal relaxation coefficient
64    C     EmPmRfile       - File containing surface fresh water flux
65    C     buoyancyRelation - Flag used to indicate which relation to use to
66    C                        get buoyancy.
67          COMMON /PARM_C/ checkPtSuff,
68         &                bathyFile, topoFile,
69         &                hydrogThetaFile, hydrogSaltFile,
70         &                zonalWindFile, meridWindFile, thetaClimFile,
71         &                saltClimFile, buoyancyRelation,
72         &                EmPmRfile, surfQfile, surfQswfile,
73         &                uVelInitFile, vVelInitFile, pSurfInitFile,
74         &                dQdTfile
75          CHARACTER*(5) checkPtSuff(maxNoChkptLev)
76          CHARACTER*(MAX_LEN_FNAM) bathyFile, topoFile
77          CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
78          CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
79          CHARACTER*(MAX_LEN_FNAM) zonalWindFile
80          CHARACTER*(MAX_LEN_FNAM) meridWindFile
81          CHARACTER*(MAX_LEN_FNAM) thetaClimFile
82          CHARACTER*(MAX_LEN_FNAM) saltClimFile
83          CHARACTER*(MAX_LEN_FNAM) surfQfile
84          CHARACTER*(MAX_LEN_FNAM) surfQswfile
85          CHARACTER*(MAX_LEN_FNAM) EmPmRfile
86          CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
87          CHARACTER*(MAX_LEN_FNAM) uVelInitFile
88          CHARACTER*(MAX_LEN_FNAM) vVelInitFile
89          CHARACTER*(MAX_LEN_FNAM) pSurfInitFile
90          CHARACTER*(MAX_LEN_FNAM) dQdTfile
91    
92  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
93  C     cg2dMaxIters        - Maximum number of iterations in the  C     cg2dMaxIters        - Maximum number of iterations in the
94  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
95  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      - Frequency with which to check residual
96  C                           in con. grad solver.  C                           in con. grad solver.
97    C     cg3dMaxIters        - Maximum number of iterations in the
98    C                           three-dimensional con. grad solver.
99    C     cg3dChkResFreq      - Frequency with which to check residual
100    C                           in con. grad solver.
101  C     nIter0              - Start time-step number of for this run  C     nIter0              - Start time-step number of for this run
102  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          - Number of timesteps to execute
103  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   - For offline setup. Frequency of pickup
104  C                           of flow fields.  C                           of flow fields.
105    C     writeStatePrec      - Precision used for writing model state.
106    C     writeBinaryPrec     - Precision used for writing binary files
107    C     readBinaryPrec      - Precision used for reading binary files
108    C     nCheckLev           - Holds current checkpoint level
109    C     nonlinFreeSurf      - option related to non-linear free surface
110    C                           =0 Linear free surface ; >0 Non-linear
111    
112        COMMON /PARM_I/        COMMON /PARM_I/
113       &        cg2dMaxIters,       &        cg2dMaxIters,
114       &        cg2dChkResFreq,       &        cg2dChkResFreq,
115       &        nIter0, nTimeSteps,       &        cg3dMaxIters,
116       &        numStepsPerPickup       &        cg3dChkResFreq,
117         &        nIter0, nTimeSteps, nEndIter,
118         &        numStepsPerPickup,
119         &        writeStatePrec, nCheckLev,
120         &        writeBinaryPrec, readBinaryPrec,
121         &        nonlinFreeSurf,
122         &        zonal_filt_sinpow, zonal_filt_cospow
123        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
124        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
125          INTEGER cg3dMaxIters
126          INTEGER cg3dChkResFreq
127        INTEGER nIter0        INTEGER nIter0
128        INTEGER nTimeSteps        INTEGER nTimeSteps
129          INTEGER nEndIter
130        INTEGER numStepsPerPickup        INTEGER numStepsPerPickup
131          INTEGER writeStatePrec
132          INTEGER writeBinaryPrec
133          INTEGER readBinaryPrec
134          INTEGER nCheckLev
135          INTEGER nonlinFreeSurf
136          INTEGER zonal_filt_sinpow
137          INTEGER zonal_filt_cospow
138    
139  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
140  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian
141  C                          coordinate frame.  C                          coordinate frame.
142  C     usingSphericalPolarGrid - If TRUE grid generation will be in a  C     usingSphericalPolarGrid - If TRUE grid generation will be in a
143  C                               spherical polar frame.  C                               spherical polar frame.
144    C     no_slip_sides - Impose "no-slip" at lateral boundaries.
145    C     no_slip_bottom- Impose "no-slip" at bottom boundary.
146    C     staggerTimeStep - enable a Stagger time stepping T,S Rho then U,V
147  C     momViscosity  - Flag which turns momentum friction terms on and off.  C     momViscosity  - Flag which turns momentum friction terms on and off.
148  C     momAdvection  - Flag which turns advection of momentum on and off.  C     momAdvection  - Flag which turns advection of momentum on and off.
149  C     momForcing    - Flag which turns external forcing of momentum on  C     momForcing    - Flag which turns external forcing of momentum on
150  C                     and off.  C                     and off.
151    C     momPressureForcing - Flag which turns pressure term in momentum equation
152    C                          on and off.
153    C     metricTerms   - Flag which turns metric terms on or off.
154    C     usingSphericalPolarMTerms - If TRUE use spherical polar metric terms.
155  C     useCoriolis   - Flag which turns the coriolis terms on and off.  C     useCoriolis   - Flag which turns the coriolis terms on and off.
156  C     tempDiffusion - Flag which turns diffusion of temperature on  C     tempDiffusion - Flag which turns diffusion of temperature on
157  C                     and off.  C                     and off.
# Line 65  C     saltAdvection - Flag which turns a Line 165  C     saltAdvection - Flag which turns a
165  C                     and off.  C                     and off.
166  C     saltForcing   - Flag which turns external forcing of salinit on  C     saltForcing   - Flag which turns external forcing of salinit on
167  C                     and off.  C                     and off.
168    C     rigidLid            - Set to true to use rigid lid
169    C     implicitFreeSurface - Set to true to use implcit free surface
170    C     exactConserv        - Set to true to conserve exactly the total Volume
171    C     uniformLin_PhiSurf  - Set to true to use a uniform Bo_surf in the
172    C                           linear relation Phi_surf = Bo_surf*eta
173    C     momStepping   - Turns momentum equation time-stepping off
174    C     tempStepping  - Turns temperature equation time-stepping off
175    C     saltStepping  - Turns salinity equation time-stepping off
176    C     tr1Stepping   - Turns passive tracer 1 time-stepping on/off
177    C     useConstantF  - Coriolis parameter set to f0
178    C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y
179    C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)
180    C     implicitDiffusion - Turns implicit vertical diffusion on
181    C     implicitViscosity - Turns implicit vertical viscosity on
182    C     doThetaClimRelax - Set true if relaxation to temperature
183    C                        climatology is required.
184    C     doSaltClimRelax  - Set true if relaxation to salinity
185    C                        climatology is required.
186    C     periodicExternalForcing - Set true if forcing is time-dependant
187    C     usingPCoords     - Set to indicate that we are working in pressure
188    C                        coords.
189    C     usingZCoords     - Set to indicate that we are working in height
190    C                        coords.
191    C     nonHydrostatic - Using non-hydrostatic terms
192    C     globalFiles    - Selects between "global" and "tiled" files
193    C     allowFreezing  - Allows water to freeze and form ice
194    C     groundAtK1  - put the surface(k=1) at the Lower Boundary (=ground)
195        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
196       & momViscosity, momAdvection, momForcing, useCoriolis,       & usingCurvilinearGrid,
197       & tempDiffusion, tempAdvection, tempForcing,       & no_slip_sides,no_slip_bottom,
198       & saltDiffusion, saltAdvection, saltForcing       & staggerTimeStep,
199         & momViscosity, momAdvection, momForcing, useCoriolis,
200         & momPressureForcing,tempDiffusion, tempAdvection, tempForcing,
201         & saltDiffusion, saltAdvection, saltForcing,
202         & rigidLid, implicitFreeSurface, exactConserv, uniformLin_PhiSurf,
203         & momStepping, tempStepping, saltStepping, tr1Stepping,
204         & metricTerms, usingSphericalPolarMTerms,
205         & useConstantF, useBetaPlaneF, useSphereF,
206         & implicitDiffusion, implicitViscosity,
207         & doThetaClimRelax, doSaltClimRelax, doTr1ClimRelax,
208         & periodicExternalForcing, usingPCoords, usingZCoords,
209         & nonHydrostatic, globalFiles,
210         & allowFreezing, groundAtK1,
211         & usePickupBeforeC35, debugMode,
212         & readPickupWithTracer, writePickupWithTracer
213        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
214        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
215          LOGICAL usingCurvilinearGrid
216          LOGICAL usingSphericalPolarMTerms
217          LOGICAL no_slip_sides
218          LOGICAL no_slip_bottom
219          LOGICAL staggerTimeStep
220        LOGICAL momViscosity        LOGICAL momViscosity
221        LOGICAL momAdvection        LOGICAL momAdvection
222        LOGICAL momForcing        LOGICAL momForcing
223          LOGICAL momPressureForcing
224        LOGICAL useCoriolis        LOGICAL useCoriolis
225        LOGICAL tempDiffusion        LOGICAL tempDiffusion
226        LOGICAL tempAdvection        LOGICAL tempAdvection
# Line 81  C                     and off. Line 228  C                     and off.
228        LOGICAL saltDiffusion        LOGICAL saltDiffusion
229        LOGICAL saltAdvection        LOGICAL saltAdvection
230        LOGICAL saltForcing        LOGICAL saltForcing
231          LOGICAL rigidLid
232          LOGICAL implicitFreeSurface
233          LOGICAL exactConserv
234          LOGICAL uniformLin_PhiSurf
235          LOGICAL momStepping
236          LOGICAL tempStepping
237          LOGICAL saltStepping
238          LOGICAL tr1Stepping
239          LOGICAL metricTerms
240          LOGICAL useConstantF
241          LOGICAL useBetaPlaneF
242          LOGICAL useSphereF
243          LOGICAL implicitDiffusion
244          LOGICAL implicitViscosity
245          LOGICAL doThetaClimRelax
246          LOGICAL doSaltClimRelax
247          LOGICAL doTr1ClimRelax
248          LOGICAL periodicExternalForcing
249          LOGICAL usingPCoords
250          LOGICAL usingZCoords
251          LOGICAL nonHydrostatic
252          LOGICAL globalFiles
253          LOGICAL allowFreezing
254          LOGICAL groundAtK1
255          LOGICAL usePickupBeforeC35
256          LOGICAL debugMode
257          LOGICAL readPickupWithTracer
258          LOGICAL writePickupWithTracer
259    
260  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
261  C     cg2dTargetResidual  C     gg2dTargetResidual
262  C               - Target residual for cg2d solver.  C          - Target residual for cg2d solver; no unit (RHS normalisation)
263  C     delZ      - Vertical grid spacing (Pa) - delZ is the distance  C     cg2dTargetResWunit
264  C                 between "w" surfaces.  C          - Target residual for cg2d solver; W unit (No RHS normalisation)
265    C     cg3dTargetResidual
266    C               - Target residual for cg3d solver.
267    C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.
268    C     Note. 20th May 1998
269    C           I made a weird discovery! In the model paper we argue
270    C           for the form of the preconditioner used here ( see
271    C           A Finite-volume, Incompressible Navier-Stokes Model
272    C           ...., Marshall et. al ). The algebra gives a simple
273    C           0.5 factor for the averaging of ac and aCw to get a
274    C           symmettric pre-conditioner. By using a factor of 0.51
275    C           i.e. scaling the off-diagonal terms in the
276    C           preconditioner down slightly I managed to get the
277    C           number of iterations for convergence in a test case to
278    C           drop form 192 -> 134! Need to investigate this further!
279    C           For now I have introduced a parameter cg2dpcOffDFac which
280    C           defaults to 0.51 but can be set at runtime.
281    C     delP      - Vertical grid spacing ( Pa ).
282    C     delZ      - Vertical grid spacing ( m  ).
283    C     delR      - Vertical grid spacing ( units of r ).
284  C     delX      - Separation between cell faces (m) or (deg), depending  C     delX      - Separation between cell faces (m) or (deg), depending
285  C     delY        on input flags.  C     delY        on input flags.
286  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   - Accel. due to gravity ( m/s^2 )
287    C     recip_gravity and its inverse
288    C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )
289  C     ronil     - Reference density  C     ronil     - Reference density
290  C     startTime - Start time for model  C     rhoConst  - Vertically constant reference density
291  C     oBandBeg  - Offline bands start and end times.  C     startTime - Start time for model ( s )
 C     oBandEnd  
 C     oPeriodLength - Lenght of offline period.  
292  C     phiMin    - Latitude of southern most cell face.  C     phiMin    - Latitude of southern most cell face.
293  C     thetaMin  - Longitude of western most cell face (this  C     thetaMin  - Longitude of western most cell face (this
294  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
295  C                 to make geographical references simple.)  C                 to make geographical references simple.)
296  C     rSphere   - Radius of sphere for a spherical polar grid.  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).
297    C     recip_RSphere  - Reciprocal radius of sphere ( m ).
298  C     f0        - Reference coriolis parameter ( 1/s )  C     f0        - Reference coriolis parameter ( 1/s )
299  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
300  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      - df/dy ( s^-1.m^-1 )
301    C     omega     - Angular velocity ( rad/s )
302  C     viscAh    - Eddy viscosity coeff. for mixing of  C     viscAh    - Eddy viscosity coeff. for mixing of
303  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
304  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    - Eddy viscosity coeff. for mixing of
305  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
306    C     viscAp    - Eddy viscosity coeff. for mixing of
307    C                 momentum vertically ( Pa^2/s )
308    C     viscAr    - Eddy viscosity coeff. for mixing of
309    C                 momentum vertically ( units of r^2/s )
310  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscA4    - Biharmonic viscosity coeff. for mixing of
311  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
312  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   - Laplacian diffusion coeff. for mixing of
313  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
314  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   - Laplacian diffusion coeff. for mixing of
315  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
316    C     diffKpT   - Laplacian diffusion coeff. for mixing of
317    C                 heat vertically ( Pa^2/s )
318    C     diffKrT   - Laplacian diffusion coeff. for mixing of
319    C                 heat vertically ( units of r^2/s )
320  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffK4T   - Biharmonic diffusion coeff. for mixing of
321  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
322  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  -  Laplacian diffusion coeff. for mixing of
323  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
324  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   - Laplacian diffusion coeff. for mixing of
325  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
326    C     diffKpS   - Laplacian diffusion coeff. for mixing of
327    C                 salt vertically ( Pa^2/s )
328    C     diffKrS   - Laplacian diffusion coeff. for mixing of
329    C                 salt vertically ( units of r^2/s )
330  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffK4S   - Biharmonic diffusion coeff. for mixing of
331  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
332  C     delt      - Timestep ( s )  C     deltaT    - Default timestep ( s )
333  C     tauCD     - CD scheme coupling timescale ( 1/s )  C     deltaTClock  - Timestep used as model "clock". This determines the
334  C     rCD       - CD scheme normalised coupling parameter ( 0-1 )  C                    IO frequencies and is used in tagging output. It can
335  C     startTime - Starting time for this integration ( s ).  C                    be totally different to the dynamical time. Typically
336  C     endTime   - Ending time for this integration ( s ).  C                    it will be the deep-water timestep for accelerated runs.
337  C     chkPtFreq - Frequency of check pointing ( s ).  C                    Frequency of checkpointing and dumping of the model state
338  C     dumpFreq  - Frequency with which model state is written to  C                    are referenced to this clock. ( s )
339  C                 post-processing files ( s ).  C     deltaTMom    - Timestep for momemtum equations ( s )
340        COMMON /PARM_R/ cg2dTargetResidual, delZ, delX, delY,  C     deltaTtracer - Timestep for tracer equations ( s )
341       & deltaTmom, deltaTtracer, abeps, startTime, oBandBeg, oBandEnd,  C     freesurfFac  - Parameter to turn implicit free surface term on or off
342       & oPeriodLength, phiMin, thetaMin, rSphere, f0, fCori, beta,  C                    freesurfac = 1. uses implicit free surface
343       & viscAh, viscAz, viscA4, diffKhT, diffKzT, diffK4T,  C                    freesurfac = 0. uses rigid lid
344       & diffKhS, diffKzS, diffK4S, delT, tauCD, rCD,  C     implicSurfPress - parameter of the Crank-Nickelson time stepping :
345       & tAlpha, sBeta, gravity, rhonil, tRef, sRef,  C                     Implicit part of Surface Pressure Gradient ( 0-1 )
346       & endTime, chkPtFreq, dumpFreq  C     implicDiv2Dflow - parameter of the Crank-Nickelson time stepping :
347        REAL cg2dTargetResidual  C                     Implicit part of barotropic flow Divergence ( 0-1 )
348        REAL delZ(Nz)  C     hFacMin      - Minimum fraction size of a cell (affects hFacC etc...)
349        REAL delX(Nx)  C     hFacMinDz    - Minimum dimesional size of a cell (affects hFacC etc..., m)
350        REAL delY(Ny)  C     hFacMinDp    - Minimum dimesional size of a cell (affects hFacC etc..., Pa)
351        REAL deltaTmom  C     hFacMinDr    - Minimum dimesional size of a cell (affects hFacC etc..., units of r)
352        REAL deltaTtracer  C     hFacInf      - Threshold (inf and sup) for fraction size of surface cell
353        REAL abeps  C     hFacSup        that control vanishing and creating levels
354        REAL oBandBeg(nOBands),oBandEnd(nOBands)  C     tauCD        - CD scheme coupling timescale ( 1/s )
355        REAL oPeriodLength  C     rCD          - CD scheme normalised coupling parameter ( 0-1 )
356        REAL phiMin  C     startTime     - Starting time for this integration ( s ).
357        REAL thetaMin  C     endTime       - Ending time for this integration ( s ).
358        REAL rSphere  C     chkPtFreq     - Frequency of rolling check pointing ( s ).
359        REAL f0  C     pChkPtFreq    - Frequency of permanent check pointing ( s ).
360        _RL  beta  C     dumpFreq      - Frequency with which model state is written to
361        REAL viscAh  C                     post-processing files ( s ).
362        REAL viscAz  C     afFacMom      - Advection of momentum term tracer parameter
363        REAL viscA4  C     vfFacMom      - Momentum viscosity tracer parameter
364        REAL diffKhT  C     pfFacMom      - Momentum pressure forcing tracer parameter
365        REAL diffKzT  C     cfFacMom      - Coriolis term tracer parameter
366        REAL diffK4T  C     foFacMom      - Momentum forcing tracer parameter
367        REAL diffKhS  C     mtFacMom      - Metric terms tracer parameter
368        REAL diffKzS  C     cosPower      - Power of cosine of latitude to multiply viscosity
369        REAL diffK4S  C     cAdjFreq      - Frequency of convective adjustment
370        REAL delt  C
371        REAL tauCD  C     taveFreq      - Frequency with which time-averaged model state is written to
372        REAL rCD  C                     post-processing files ( s ).
373        REAL tAlpha  C     tauThetaClimRelax - Relaxation to climatology time scale ( s ).
374        REAL sBeta  C     lambdaThetaClimRelax - Inverse time scale for relaxation ( 1/s ).
375        REAL gravity  C     tauSaltClimRelax - Relaxation to climatology time scale ( s ).
376        REAL rhonil  C     lambdaSaltClimRelax - Inverse time scale for relaxation ( 1/s ).
377        REAL tRef(Nz)  C     externForcingPeriod - Is the period of which forcing varies (eg. 1 month)
378        REAL sRef(Nz)  C     externForcingCycle - Is the repeat time of the forcing (eg. 1 year)
379        real Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)  C                          (note: externForcingCycle must be an integer
380        REAL startTime  C                           number times externForcingPeriod)
381        REAL endTime  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.
382        REAL chkPtFreq  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
383        REAL dumpFreq  C                          ( g*rho if horiz in m and vertical in Pa ).
384        COMMON /PARM_A/ HeatCapacity_Cp,  C     latFFTFiltLo       - Low latitude for FFT filtering of latitude
385    C                          circles ( see filter*.F )
386    C     Ro_SeaLevel        - standard position of Sea-Level in "R" coordinate, used as
387    C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)
388    C     bottomDragLinear   - Drag coefficient built in to core dynamics
389    C         "     Quadratic  ( linear: 1/s, quadratic: 1/m )
390          COMMON /PARM_R/ cg2dTargetResidual, cg2dTargetResWunit,
391         & cg2dpcOffDFac, cg3dTargetResidual,
392         & delP, delZ, delR, delX, delY,
393         & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
394         & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,
395         & fCori, fCoriG,
396         & viscAh,  viscAz,  viscA4,  viscAr,
397         & diffKhT, diffKzT, diffK4T, diffKrT,
398         & diffKhS, diffKzS, diffK4S, diffKrS,
399         & delT, tauCD, rCD, freeSurfFac, implicSurfPress, implicDiv2Dflow,
400         & hFacMin, hFacMinDz, hFacInf, hFacSup,
401         & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
402         & recip_rhoConst, rhoConst, tRef, sRef,
403         & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq, monitorFreq,
404         & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
405         & cosPower, cAdjFreq, omega,
406         & tauThetaClimRelax, lambdaThetaClimRelax,
407         & tauSaltClimRelax, lambdaSaltClimRelax,
408         & tauTr1ClimRelax, lambdaTr1ClimRelax,
409         & externForcingCycle, externForcingPeriod,
410         & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
411         & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,
412         & latFFTFiltLo, ivdc_kappa, Ro_SeaLevel, zonal_filt_lat,
413         & bottomDragLinear,bottomDragQuadratic
414    
415          _RL cg2dTargetResidual
416          _RL cg2dTargetResWunit
417          _RL cg3dTargetResidual
418          _RL cg2dpcOffDFac
419          _RL delZ(Nr)
420          _RL delP(Nr)
421          _RL delR(Nr)
422          _RL delX(Nx)
423          _RL delY(Ny)
424          _RL deltaT
425          _RL deltaTClock
426          _RL deltaTmom
427          _RL deltaTtracer
428          _RL abeps
429          _RL phiMin
430          _RL thetaMin
431          _RL rSphere
432          _RL recip_RSphere
433          _RL f0
434          _RL freeSurfFac
435          _RL implicSurfPress
436          _RL implicDiv2Dflow
437          _RL hFacMin
438          _RL hFacMinDz
439          _RL hFacMinDp
440          _RL hFacMinDr
441          _RL hFacInf
442          _RL hFacSup
443          _RL beta
444          _RL viscAh
445          _RL viscAz
446          _RL viscAp
447          _RL viscAr
448          _RL viscA4
449          _RL diffKhT
450          _RL diffKrT
451          _RL diffKzT
452          _RL diffKpT
453          _RL diffK4T
454          _RL diffKhS
455          _RL diffKrS
456          _RL diffKzS
457          _RL diffKpS
458          _RL diffK4S
459          _RL delt
460          _RL tauCD
461          _RL rCD
462          _RL gravity
463          _RL recip_gravity
464          _RL gBaro
465          _RL rhonil
466          _RL recip_rhonil
467          _RL rhoConst
468          _RL recip_rhoConst
469          _RL specVol_S(Nr)
470          _RL tRef(Nr)
471          _RL theta_S(Nr)
472          _RL sRef(Nr)
473          _RS fCori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
474          _RS fCoriG(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
475          _RL startTime
476          _RL endTime
477          _RL chkPtFreq
478          _RL pChkPtFreq
479          _RL dumpFreq
480          _RL taveFreq
481          _RL monitorFreq
482          _RL afFacMom
483          _RL vfFacMom
484          _RL pfFacMom
485          _RL cfFacMom
486          _RL foFacMom
487          _RL mTFacMom
488          _RL cosPower
489          _RL cAdjFreq
490          _RL omega
491          _RL tauThetaClimRelax
492          _RL lambdaThetaClimRelax
493          _RL tauSaltClimRelax
494          _RL lambdaSaltClimRelax
495          _RL tauTr1ClimRelax
496          _RL lambdaTr1ClimRelax
497          _RL externForcingCycle
498          _RL externForcingPeriod
499          _RL horiVertRatio
500          _RL recip_horiVertRatio
501          _RL latFFTFiltLo
502          _RL ivdc_kappa
503          _RL Ro_SeaLevel
504          _RL zonal_filt_lat
505          _RL bottomDragLinear
506          _RL bottomDragQuadratic
507    
508          COMMON /PARM_A/ HeatCapacity_Cp,recip_Cp,
509       &                Lamba_theta       &                Lamba_theta
510        REAL HeatCapacity_Cp        _RL HeatCapacity_Cp
511        REAL Lamba_theta        _RL Lamba_theta
512          _RL recip_Cp
513    
514    C Equation of State (polynomial coeffients)
515          COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
516          _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)
517    C Linear equation of state
518    C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).
519    C     sBeta     - Linear EOS haline contraction coefficient.
520          COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
521          _RL tAlpha
522          _RL sBeta
523          character*(6) eosType
524    
525    C Atmospheric physical parameters (Ideal Gas EOS, ...)
526    C     atm_po    - standard reference pressure
527    C     atm_cp    - specific heat (Cp) of the (dry) air at constant pressure
528    C     atm_kappa - kappa = R/Cp (R: constant of Ideal Gas EOS)
529    C     Integr_GeoPot - option to select the way we integrate the geopotential
530    C                     (still a subject of discussions ...)
531          COMMON /PARM_ATM/ atm_cp, atm_kappa, atm_po,
532         &                  Integr_GeoPot
533          _RL atm_cp, atm_kappa, atm_po
534          INTEGER Integr_GeoPot
535    
536    C Logical flags for selecting packages
537          LOGICAL useKPP
538          LOGICAL useGMRedi
539          LOGICAL useOBCS
540          LOGICAL useAIM
541          LOGICAL useGrdchk
542          LOGICAL useECCO
543          LOGICAL useSHAP_FILT
544          COMMON /PARM_PACKAGES/
545         &        useKPP, useGMRedi, useOBCS, useAIM, useECCO,
546         &        useSHAP_FILT, useGrdchk
547    

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