/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.10 by cnh, Mon May 25 21:29:44 1998 UTC revision 1.64 by adcroft, Thu Sep 27 18:04:52 2001 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2    C $Name$
3  C  C
4  C     /==========================================================\  CBOP
5  C     | PARAMS.h                                                 |  C    !ROUTINE: PARAMS.h
6  C     | o Header file defining model "parameters".               |  C    !INTERFACE:
7  C     |==========================================================|  C    include PARAMS.h
8  C     | The values from the model's standard input file are      |  C    !DESCRIPTION: \bv
9  C     | stored into the variables held here. Notes describing    |  C     *==========================================================*
10  C     | the parameters can also be found here.                   |  C     | PARAMS.h                                                  
11  C     \==========================================================/  C     | o Header file defining model "parameters".                
12    C     *==========================================================*
13    C     | The values from the model standard input file are        
14    C     | stored into the variables held here. Notes describing    
15    C     | the parameters can also be found here.                    
16    C     *==========================================================*
17    C     \ev
18    CEOP
19    
20    C     Macros for special grid options
21    #include "PARAMS_MACROS.h"
22    
23  C--   Contants  C--   Contants
24  C     Useful physical values  C     Useful physical values
# Line 17  C     Useful physical values Line 28  C     Useful physical values
28        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )        PARAMETER ( deg2rad = 2.D0*PI/360.D0           )
29    
30  C     Symbolic values  C     Symbolic values
31  C     precXXXX - Used to indicate what precision to use for  C     precXXXX :: Used to indicate what precision to use for
32  C                dumping model state.  C                dumping model state.
33        INTEGER precFloat32        INTEGER precFloat32
34        PARAMETER ( precFloat32 = 0 )        PARAMETER ( precFloat32 = 32 )
35        INTEGER precFloat64        INTEGER precFloat64
36        PARAMETER ( precFloat64 = 1 )        PARAMETER ( precFloat64 = 64 )
37    C     UNSET_xxx :: Used to indicate variables that have not been given a value
38          Real*8 UNSET_FLOAT8
39          PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )
40          Real*4 UNSET_FLOAT4
41          PARAMETER ( UNSET_FLOAT4 = 1.234567E5 )
42          _RL    UNSET_RL    
43          PARAMETER ( UNSET_RL     = 1.234567D5 )
44          _RS    UNSET_RS    
45          PARAMETER ( UNSET_RS     = 1.234567E5 )
46          INTEGER UNSET_I
47          PARAMETER ( UNSET_I      = 123456789  )
48    
49  C     Checkpoint data  C     Checkpoint data
50        INTEGER maxNoChkptLev        INTEGER maxNoChkptLev
51        PARAMETER ( maxNoChkptLev = 2 )        PARAMETER ( maxNoChkptLev = 2 )
52    
53  C--   COMMON /PARM_C/ Character valued parameters used by the model.  C--   COMMON /PARM_C/ Character valued parameters used by the model.
54  C     checkPtSuff - List of checkpoint file suffices  C     checkPtSuff :: List of checkpoint file suffices
55        COMMON /PARM_C/ checkPtSuff  C     bathyFile   :: File containing bathymetry. If not defined bathymetry
56    C                   is taken from inline function.
57    C     topoFile    :: File containing the topography of the surface (unit=m)
58    C                   (mainly used for the atmosphere = ground height).
59    C     hydrogThetaFile :: File containing initial hydrographic data for potential
60    C                       temperature.
61    C     hydrogSaltFile  :: File containing initial hydrographic data for salinity.
62    C     zonalWindFile   :: File containing zonal wind data
63    C     meridWindFile   :: File containing meridional wind data
64    C     thetaClimFile   :: File containing theta climataology used
65    C                       in relaxation term -lambda(theta-theta*)
66    C     saltClimFile    :: File containing salt climataology used
67    C                       in relaxation term -lambda(salt-salt*)
68    C     surfQfile       :: File containing surface heat flux
69    C     surfQswfile     :: File containing surface shortwave radiation
70    C     dQdTfile        :: File containing thermal relaxation coefficient
71    C     EmPmRfile       :: File containing surface fresh water flux
72    C     buoyancyRelation :: Flag used to indicate which relation to use to
73    C                        get buoyancy.
74          COMMON /PARM_C/ checkPtSuff,
75         &                bathyFile, topoFile,
76         &                hydrogThetaFile, hydrogSaltFile,
77         &                zonalWindFile, meridWindFile, thetaClimFile,
78         &                saltClimFile, buoyancyRelation,
79         &                EmPmRfile, surfQfile, surfQswfile,
80         &                uVelInitFile, vVelInitFile, pSurfInitFile,
81         &                dQdTfile
82        CHARACTER*(5) checkPtSuff(maxNoChkptLev)        CHARACTER*(5) checkPtSuff(maxNoChkptLev)
83          CHARACTER*(MAX_LEN_FNAM) bathyFile, topoFile
84          CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
85          CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
86          CHARACTER*(MAX_LEN_FNAM) zonalWindFile
87          CHARACTER*(MAX_LEN_FNAM) meridWindFile
88          CHARACTER*(MAX_LEN_FNAM) thetaClimFile
89          CHARACTER*(MAX_LEN_FNAM) saltClimFile
90          CHARACTER*(MAX_LEN_FNAM) surfQfile
91          CHARACTER*(MAX_LEN_FNAM) surfQswfile
92          CHARACTER*(MAX_LEN_FNAM) EmPmRfile
93          CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
94          CHARACTER*(MAX_LEN_FNAM) uVelInitFile
95          CHARACTER*(MAX_LEN_FNAM) vVelInitFile
96          CHARACTER*(MAX_LEN_FNAM) pSurfInitFile
97          CHARACTER*(MAX_LEN_FNAM) dQdTfile
98    
99  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
100  C     cg2dMaxIters        - Maximum number of iterations in the  C     cg2dMaxIters        :: Maximum number of iterations in the
101  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
102  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      :: Frequency with which to check residual
103    C                           in con. grad solver.
104    C     cg3dMaxIters        :: Maximum number of iterations in the
105    C                           three-dimensional con. grad solver.
106    C     cg3dChkResFreq      :: Frequency with which to check residual
107  C                           in con. grad solver.  C                           in con. grad solver.
108  C     nIter0              - Start time-step number of for this run  C     nIter0              :: Start time-step number of for this run
109  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          :: Number of timesteps to execute
110  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   :: For offline setup. Frequency of pickup
111  C                           of flow fields.  C                           of flow fields.
112  C     writeStatePrec      - Precision used for writing model state.  C     writeStatePrec      :: Precision used for writing model state.
113  C     writeBinaryPrec     - Precision used for writing binary files  C     writeBinaryPrec     :: Precision used for writing binary files
114  C     readBinaryPrec      - Precision used for reading binary files  C     readBinaryPrec      :: Precision used for reading binary files
115  C     nCheckLev           - Holds current checkpoint level  C     nCheckLev           :: Holds current checkpoint level
116    C     nonlinFreeSurf      :: option related to non-linear free surface
117    C                           =0 Linear free surface ; >0 Non-linear
118    
119        COMMON /PARM_I/        COMMON /PARM_I/
120       &        cg2dMaxIters,       &        cg2dMaxIters,
121       &        cg2dChkResFreq,       &        cg2dChkResFreq,
122       &        nIter0, nTimeSteps,       &        cg3dMaxIters,
123         &        cg3dChkResFreq,
124         &        nIter0, nTimeSteps, nEndIter,
125       &        numStepsPerPickup,       &        numStepsPerPickup,
126       &        writeStatePrec, nCheckLev,       &        writeStatePrec, nCheckLev,
127       &        writeBinaryPrec, readBinaryPrec       &        writeBinaryPrec, readBinaryPrec,
128         &        nonlinFreeSurf,
129         &        zonal_filt_sinpow, zonal_filt_cospow,
130         &        tempAdvScheme, saltAdvScheme, tracerAdvScheme
131        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
132        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
133          INTEGER cg3dMaxIters
134          INTEGER cg3dChkResFreq
135        INTEGER nIter0        INTEGER nIter0
136        INTEGER nTimeSteps        INTEGER nTimeSteps
137          INTEGER nEndIter
138        INTEGER numStepsPerPickup        INTEGER numStepsPerPickup
139        INTEGER writeStatePrec        INTEGER writeStatePrec
140        INTEGER writeBinaryPrec        INTEGER writeBinaryPrec
141        INTEGER readBinaryPrec        INTEGER readBinaryPrec
142        INTEGER nCheckLev        INTEGER nCheckLev
143          INTEGER nonlinFreeSurf
144          INTEGER zonal_filt_sinpow
145          INTEGER zonal_filt_cospow
146          INTEGER tempAdvScheme
147          INTEGER saltAdvScheme
148          INTEGER tracerAdvScheme
149    
150  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
151  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid :: If TRUE grid generation will be in a cartesian
152  C                          coordinate frame.  C                          coordinate frame.
153  C     usingSphericalPolarGrid - If TRUE grid generation will be in a  C     usingSphericalPolarGrid :: If TRUE grid generation will be in a
154  C                               spherical polar frame.  C                               spherical polar frame.
155  C     momViscosity  - Flag which turns momentum friction terms on and off.  C     no_slip_sides :: Impose "no-slip" at lateral boundaries.
156  C     momAdvection  - Flag which turns advection of momentum on and off.  C     no_slip_bottom :: Impose "no-slip" at bottom boundary.
157  C     momForcing    - Flag which turns external forcing of momentum on  C     staggerTimeStep :: enable a Stagger time stepping T,S Rho then U,V
158    C     momViscosity  :: Flag which turns momentum friction terms on and off.
159    C     momAdvection  :: Flag which turns advection of momentum on and off.
160    C     momForcing    :: Flag which turns external forcing of momentum on
161  C                     and off.  C                     and off.
162  C     momPressureForcing - Flag which turns pressure term in momentum equation  C     momPressureForcing :: Flag which turns pressure term in momentum equation
163  C                          on and off.  C                          on and off.
164  C     useCoriolis   - Flag which turns the coriolis terms on and off.  C     metricTerms   :: Flag which turns metric terms on or off.
165  C     tempDiffusion - Flag which turns diffusion of temperature on  C     usingSphericalPolarMTerms :: If TRUE use spherical polar metric terms.
166    C     useCoriolis   :: Flag which turns the coriolis terms on and off.
167    C     tempDiffusion :: Flag which turns diffusion of temperature on
168  C                     and off.  C                     and off.
169  C     tempAdvection - Flag which turns advection of temperature on  C     tempAdvection :: Flag which turns advection of temperature on
170  C                     and off.  C                     and off.
171  C     tempForcing   - Flag which turns external forcing of temperature on  C     tempForcing   :: Flag which turns external forcing of temperature on
172  C                     and off.  C                     and off.
173  C     saltDiffusion - Flag which turns diffusion of salinit on  C     saltDiffusion :: Flag which turns diffusion of salinit on
174  C                     and off.  C                     and off.
175  C     saltAdvection - Flag which turns advection of salinit on  C     saltAdvection :: Flag which turns advection of salinit on
176  C                     and off.  C                     and off.
177  C     saltForcing   - Flag which turns external forcing of salinit on  C     saltForcing   :: Flag which turns external forcing of salinit on
178  C                     and off.  C                     and off.
179  C     implicitFreeSurface - Set to true to use implcit free surface  C     rigidLid            :: Set to true to use rigid lid
180  C     rigidLid            - Set to true to use rigid lid  C     implicitFreeSurface :: Set to true to use implcit free surface
181  C     momStepping   - Turns momentum equation time-stepping off  C     exactConserv        :: Set to true to conserve exactly the total Volume
182  C     momStepping   - Turns temperature equation time-stepping off  C     uniformLin_PhiSurf  :: Set to true to use a uniform Bo_surf in the
183    C                           linear relation Phi_surf = Bo_surf*eta
184    C     momStepping   :: Turns momentum equation time-stepping off
185    C     tempStepping  :: Turns temperature equation time-stepping off
186    C     saltStepping  :: Turns salinity equation time-stepping off
187    C     tr1Stepping   :: Turns passive tracer 1 time-stepping on/off
188    C     useConstantF  :: Coriolis parameter set to f0
189    C     useBetaPlaneF :: Coriolis parameter set to f0 + beta.y
190    C     useSphereF    :: Coriolis parameter set to 2.omega.sin(phi)
191    C     implicitDiffusion :: Turns implicit vertical diffusion on
192    C     implicitViscosity :: Turns implicit vertical viscosity on
193    C     doThetaClimRelax :: Set true if relaxation to temperature
194    C                        climatology is required.
195    C     doSaltClimRelax  :: Set true if relaxation to salinity
196    C                        climatology is required.
197    C     periodicExternalForcing :: Set true if forcing is time-dependant
198    C     usingPCoords     :: Set to indicate that we are working in pressure
199    C                        coords.
200    C     usingZCoords     :: Set to indicate that we are working in height
201    C                        coords.
202    C     nonHydrostatic :: Using non-hydrostatic terms
203    C     globalFiles    :: Selects between "global" and "tiled" files
204    C     allowFreezing  :: Allows water to freeze and form ice
205    C     groundAtK1  :: put the surface(k=1) at the Lower Boundary (=ground)
206        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
207       & momViscosity, momAdvection, momForcing, useCoriolis, momPressureForcing,       & usingCurvilinearGrid,
208         & no_slip_sides,no_slip_bottom,
209         & staggerTimeStep,
210         & momViscosity, momAdvection, momForcing, useCoriolis,
211         & momPressureForcing, vectorInvariantMomentum,
212       & tempDiffusion, tempAdvection, tempForcing,       & tempDiffusion, tempAdvection, tempForcing,
213       & saltDiffusion, saltAdvection, saltForcing,       & saltDiffusion, saltAdvection, saltForcing,
214       & implicitFreeSurface, rigidLid, momStepping, tempStepping       & rigidLid, implicitFreeSurface, exactConserv, uniformLin_PhiSurf,
215         & momStepping, tempStepping, saltStepping, tr1Stepping,
216         & metricTerms, usingSphericalPolarMTerms,
217         & useConstantF, useBetaPlaneF, useSphereF,
218         & implicitDiffusion, implicitViscosity,
219         & doThetaClimRelax, doSaltClimRelax, doTr1ClimRelax,
220         & periodicExternalForcing, usingPCoords, usingZCoords,
221         & nonHydrostatic, globalFiles,
222         & allowFreezing, groundAtK1,
223         & usePickupBeforeC35, debugMode,
224         & readPickupWithTracer, writePickupWithTracer,
225         & multiDimAdvection
226        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
227        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
228          LOGICAL usingCurvilinearGrid
229          LOGICAL usingSphericalPolarMTerms
230          LOGICAL no_slip_sides
231          LOGICAL no_slip_bottom
232          LOGICAL staggerTimeStep
233        LOGICAL momViscosity        LOGICAL momViscosity
234        LOGICAL momAdvection        LOGICAL momAdvection
235        LOGICAL momForcing        LOGICAL momForcing
236        LOGICAL momPressureForcing        LOGICAL momPressureForcing
237        LOGICAL useCoriolis        LOGICAL useCoriolis
238          LOGICAL vectorInvariantMomentum
239        LOGICAL tempDiffusion        LOGICAL tempDiffusion
240        LOGICAL tempAdvection        LOGICAL tempAdvection
241        LOGICAL tempForcing        LOGICAL tempForcing
242        LOGICAL saltDiffusion        LOGICAL saltDiffusion
243        LOGICAL saltAdvection        LOGICAL saltAdvection
244        LOGICAL saltForcing        LOGICAL saltForcing
       LOGICAL implicitFreeSurface  
245        LOGICAL rigidLid        LOGICAL rigidLid
246          LOGICAL implicitFreeSurface
247          LOGICAL exactConserv
248          LOGICAL uniformLin_PhiSurf
249        LOGICAL momStepping        LOGICAL momStepping
250        LOGICAL tempStepping        LOGICAL tempStepping
251          LOGICAL saltStepping
252          LOGICAL tr1Stepping
253          LOGICAL metricTerms
254          LOGICAL useConstantF
255          LOGICAL useBetaPlaneF
256          LOGICAL useSphereF
257          LOGICAL implicitDiffusion
258          LOGICAL implicitViscosity
259          LOGICAL doThetaClimRelax
260          LOGICAL doSaltClimRelax
261          LOGICAL doTr1ClimRelax
262          LOGICAL periodicExternalForcing
263          LOGICAL usingPCoords
264          LOGICAL usingZCoords
265          LOGICAL nonHydrostatic
266          LOGICAL globalFiles
267          LOGICAL allowFreezing
268          LOGICAL groundAtK1
269          LOGICAL usePickupBeforeC35
270          LOGICAL debugMode
271          LOGICAL readPickupWithTracer
272          LOGICAL writePickupWithTracer
273          LOGICAL multiDimAdvection
274    
275  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
276  C     cg2dTargetResidual  C     gg2dTargetResidual
277  C               - Target residual for cg2d solver.  C          :: Target residual for cg2d solver; no unit (RHS normalisation)
278  C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.  C     cg2dTargetResWunit
279    C          :: Target residual for cg2d solver; W unit (No RHS normalisation)
280    C     cg3dTargetResidual
281    C               :: Target residual for cg3d solver.
282    C     cg2dpcOffDFac :: Averaging weight for preconditioner off-diagonal.
283  C     Note. 20th May 1998  C     Note. 20th May 1998
284  C           I made a weird discovery! In the model paper we argue  C           I made a weird discovery! In the model paper we argue
285  C           for the form of the preconditioner used here ( see  C           for the form of the preconditioner used here ( see
# Line 131  C           number of iterations for con Line 293  C           number of iterations for con
293  C           drop form 192 -> 134! Need to investigate this further!  C           drop form 192 -> 134! Need to investigate this further!
294  C           For now I have introduced a parameter cg2dpcOffDFac which  C           For now I have introduced a parameter cg2dpcOffDFac which
295  C           defaults to 0.51 but can be set at runtime.  C           defaults to 0.51 but can be set at runtime.
296  C     delZ      - Vertical grid spacing ( m ) - delZ is the distance  C     delP      :: Vertical grid spacing ( Pa ).
297  C                 between "w" surfaces.  C     delZ      :: Vertical grid spacing ( m  ).
298  C     delX      - Separation between cell faces (m) or (deg), depending  C     delR      :: Vertical grid spacing ( units of r ).
299    C     delX      :: Separation between cell faces (m) or (deg), depending
300  C     delY        on input flags.  C     delY        on input flags.
301  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   :: Accel. due to gravity ( m/s^2 )
302  C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )  C     recip_gravity and its inverse
303  C     ronil     - Reference density  C     gBaro     :: Accel. due to gravity used in barotropic equation ( m/s^2 )
304  C     startTime - Start time for model ( s )  C     ronil     :: Reference density
305  C     phiMin    - Latitude of southern most cell face.  C     rhoConst  :: Vertically constant reference density
306  C     thetaMin  - Longitude of western most cell face (this  C     startTime :: Start time for model ( s )
307    C     phiMin    :: Latitude of southern most cell face.
308    C     thetaMin  :: Longitude of western most cell face (this
309  C                 is an "inert" parameter but it is included  C                 is an "inert" parameter but it is included
310  C                 to make geographical references simple.)  C                 to make geographical references simple.)
311  C     rSphere   - Radius of sphere for a spherical polar grid ( m ).  C     rSphere   :: Radius of sphere for a spherical polar grid ( m ).
312  C     f0        - Reference coriolis parameter ( 1/s )  C     recip_RSphere  :: Reciprocal radius of sphere ( m ).
313    C     f0        :: Reference coriolis parameter ( 1/s )
314  C                 ( Southern edge f for beta plane )  C                 ( Southern edge f for beta plane )
315  C     beta      - df/dy ( s^-1.m^-1 )  C     beta      :: df/dy ( s^-1.m^-1 )
316  C     viscAh    - Eddy viscosity coeff. for mixing of  C     omega     :: Angular velocity ( rad/s )
317    C     viscAh    :: Eddy viscosity coeff. for mixing of
318  C                 momentum laterally ( m^2/s )  C                 momentum laterally ( m^2/s )
319  C     viscAz    - Eddy viscosity coeff. for mixing of  C     viscAz    :: Eddy viscosity coeff. for mixing of
320  C                 momentum vertically ( m^2/s )  C                 momentum vertically ( m^2/s )
321  C     viscA4    - Biharmonic viscosity coeff. for mixing of  C     viscAp    :: Eddy viscosity coeff. for mixing of
322    C                 momentum vertically ( Pa^2/s )
323    C     viscAr    :: Eddy viscosity coeff. for mixing of
324    C                 momentum vertically ( units of r^2/s )
325    C     viscA4    :: Biharmonic viscosity coeff. for mixing of
326  C                 momentum laterally ( m^4/s )  C                 momentum laterally ( m^4/s )
327  C     diffKhT   - Laplacian diffusion coeff. for mixing of  C     diffKhT   :: Laplacian diffusion coeff. for mixing of
328  C                 heat laterally ( m^2/s )  C                 heat laterally ( m^2/s )
329  C     diffKzT   - Laplacian diffusion coeff. for mixing of  C     diffKzT   :: Laplacian diffusion coeff. for mixing of
330  C                 heat vertically ( m^2/s )  C                 heat vertically ( m^2/s )
331  C     diffK4T   - Biharmonic diffusion coeff. for mixing of  C     diffKpT   :: Laplacian diffusion coeff. for mixing of
332    C                 heat vertically ( Pa^2/s )
333    C     diffKrT   :: Laplacian diffusion coeff. for mixing of
334    C                 heat vertically ( units of r^2/s )
335    C     diffK4T   :: Biharmonic diffusion coeff. for mixing of
336  C                 heat laterally ( m^4/s )  C                 heat laterally ( m^4/s )
337  C     diffKhS  -  Laplacian diffusion coeff. for mixing of  C     diffKhS  ::  Laplacian diffusion coeff. for mixing of
338  C                 salt laterally ( m^2/s )  C                 salt laterally ( m^2/s )
339  C     diffKzS   - Laplacian diffusion coeff. for mixing of  C     diffKzS   :: Laplacian diffusion coeff. for mixing of
340  C                 salt vertically ( m^2/s )  C                 salt vertically ( m^2/s )
341  C     diffK4S   - Biharmonic diffusion coeff. for mixing of  C     diffKpS   :: Laplacian diffusion coeff. for mixing of
342    C                 salt vertically ( Pa^2/s )
343    C     diffKrS   :: Laplacian diffusion coeff. for mixing of
344    C                 salt vertically ( units of r^2/s )
345    C     diffK4S   :: Biharmonic diffusion coeff. for mixing of
346  C                 salt laterally ( m^4/s )  C                 salt laterally ( m^4/s )
347  C     deltaT    - Default timestep ( s )  C     deltaT    :: Default timestep ( s )
348  C     deltaTClock  - Timestep used as model "clock". This determines the  C     deltaTClock  :: Timestep used as model "clock". This determines the
349  C                    IO frequencies and is used in tagging output. It can  C                    IO frequencies and is used in tagging output. It can
350  C                    be totally different to the dynamical time. Typically  C                    be totally different to the dynamical time. Typically
351  C                    it will be the deep-water timestep for accelerated runs.  C                    it will be the deep-water timestep for accelerated runs.
352  C                    Frequency of checkpointing and dumping of the model state  C                    Frequency of checkpointing and dumping of the model state
353  C                    are referenced to this clock. ( s )  C                    are referenced to this clock. ( s )
354  C     deltaTMom    - Timestep for momemtum equations ( s )  C     deltaTMom    :: Timestep for momemtum equations ( s )
355  C     deltaTtracer - Timestep for tracer equations ( s )  C     deltaTtracer :: Timestep for tracer equations ( s )
356  C     freesurfFac  - Parameter to turn implicit free surface term on or off  C     freesurfFac  :: Parameter to turn implicit free surface term on or off
357  C                    freesurfac = 1. uses implicit free surface  C                    freesurfac = 1. uses implicit free surface
358  C                    freesurfac = 0. uses rigid lid  C                    freesurfac = 0. uses rigid lid
359  C     tauCD     - CD scheme coupling timescale ( 1/s )  C     implicSurfPress :: parameter of the Crank-Nickelson time stepping :
360  C     rCD       - CD scheme normalised coupling parameter ( 0-1 )  C                     Implicit part of Surface Pressure Gradient ( 0-1 )
361  C     GMmaxslope  - max. slope allowed in GM/Redi tensor  C     implicDiv2Dflow :: parameter of the Crank-Nickelson time stepping :
362  C     GMlength  - Length to use in Visbeck et al. formula for K (m)  C                     Implicit part of barotropic flow Divergence ( 0-1 )
363  C     GMalpha   - alpha to use in Visbeck et al. formula for K  C     hFacMin      :: Minimum fraction size of a cell (affects hFacC etc...)
364  C     GMdepth   - Depth over which to integrate Richardson # (Visbeck et al.)  C     hFacMinDz    :: Minimum dimesional size of a cell (affects hFacC etc..., m)
365  C     GMkbackground - background value of GM/Redi coefficient  C     hFacMinDp    :: Minimum dimesional size of a cell (affects hFacC etc..., Pa)
366  C     startTime - Starting time for this integration ( s ).  C     hFacMinDr    :: Minimum dimesional size of a cell (affects hFacC etc..., units of r)
367  C     endTime   - Ending time for this integration ( s ).  C     hFacInf      :: Threshold (inf and sup) for fraction size of surface cell
368  C     chkPtFreq  - Frequency of rolling check pointing ( s ).  C     hFacSup        that control vanishing and creating levels
369  C     pChkPtFreq - Frequency of permanent check pointing ( s ).  C     tauCD        :: CD scheme coupling timescale ( 1/s )
370  C     dumpFreq  - Frequency with which model state is written to  C     rCD          :: CD scheme normalised coupling parameter ( 0-1 )
371  C                 post-processing files ( s ).  C     startTime     :: Starting time for this integration ( s ).
372  C     afFacMom  - Advection of momentum term scaling parameter  C     endTime       :: Ending time for this integration ( s ).
373  C     vfFacMom  - Momentum viscosity scaling parameter  C     chkPtFreq     :: Frequency of rolling check pointing ( s ).
374  C     pfFacMom  - Momentum pressure forcing parameter  C     pChkPtFreq    :: Frequency of permanent check pointing ( s ).
375  C     cfFacMom  - Coriolis term scaling parameter  C     dumpFreq      :: Frequency with which model state is written to
376  C     foFacMom  - Momentum forcing scaling parameter  C                     post-processing files ( s ).
377  C     cAdjFreq  - Frequency of convective adjustment  C     diagFreq      :: Frequency with which model writes diagnostic output
378        COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac, delZ, delX, delY,  C                     of intermediate quantities.
379       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime, phiMin,  C     afFacMom      :: Advection of momentum term tracer parameter
380       & thetaMin, rSphere, f0, fCori, beta, viscAh, viscAz, viscA4,  C     vfFacMom      :: Momentum viscosity tracer parameter
381       & diffKhT, diffKzT, diffK4T, diffKhS, diffKzS, diffK4S, delT,  C     pfFacMom      :: Momentum pressure forcing tracer parameter
382       & tauCD, rCD, freeSurfFac,  C     cfFacMom      :: Coriolis term tracer parameter
383       & GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground,  C     foFacMom      :: Momentum forcing tracer parameter
384       & gravity, gBaro, rhonil, tRef, sRef,  C     mtFacMom      :: Metric terms tracer parameter
385    C     cosPower      :: Power of cosine of latitude to multiply viscosity
386    C     cAdjFreq      :: Frequency of convective adjustment
387    C
388    C     taveFreq      :: Frequency with which time-averaged model state is written to
389    C                     post-processing files ( s ).
390    C     tauThetaClimRelax :: Relaxation to climatology time scale ( s ).
391    C     lambdaThetaClimRelax :: Inverse time scale for relaxation ( 1/s ).
392    C     tauSaltClimRelax :: Relaxation to climatology time scale ( s ).
393    C     lambdaSaltClimRelax :: Inverse time scale for relaxation ( 1/s ).
394    C     externForcingPeriod :: Is the period of which forcing varies (eg. 1 month)
395    C     externForcingCycle :: Is the repeat time of the forcing (eg. 1 year)
396    C                          (note: externForcingCycle must be an integer
397    C                           number times externForcingPeriod)
398    C     horiVertRatio      :: Ratio on units in vertical to units in horizontal.
399    C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
400    C                          ( g*rho if horiz in m and vertical in Pa ).
401    C     latFFTFiltLo       :: Low latitude for FFT filtering of latitude
402    C                          circles ( see filter*.F )
403    C     Ro_SeaLevel        :: standard position of Sea-Level in "R" coordinate, used as
404    C                          starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)
405    C     bottomDragLinear   :: Drag coefficient built in to core dynamics
406    C      --"-"--  Quadratic  ( linear: 1/s, quadratic: 1/m )
407          COMMON /PARM_R/ cg2dTargetResidual, cg2dTargetResWunit,
408         & cg2dpcOffDFac, cg3dTargetResidual,
409         & delP, delZ, delR, delX, delY,
410         & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
411         & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,
412         & fCori, fCoriG,
413         & viscAh,  viscAz,  viscA4,  viscAr, viscAstrain, viscAtension,
414         & diffKhT, diffKzT, diffK4T, diffKrT,
415         & diffKhS, diffKzS, diffK4S, diffKrS,
416         & delT, tauCD, rCD, freeSurfFac, implicSurfPress, implicDiv2Dflow,
417         & hFacMin, hFacMinDz, hFacInf, hFacSup,
418         & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
419         & recip_rhoConst, rhoConst, tRef, sRef,
420       & endTime, chkPtFreq, pchkPtFreq, dumpFreq,       & endTime, chkPtFreq, pchkPtFreq, dumpFreq,
421       & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom,       & diagFreq, taveFreq, monitorFreq,
422       & cAdjFreq       & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
423         & cosPower, cAdjFreq, omega,
424         & tauThetaClimRelax, lambdaThetaClimRelax,
425         & tauSaltClimRelax, lambdaSaltClimRelax,
426         & tauTr1ClimRelax, lambdaTr1ClimRelax,
427         & externForcingCycle, externForcingPeriod,
428         & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
429         & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,
430         & latFFTFiltLo, ivdc_kappa, Ro_SeaLevel, zonal_filt_lat,
431         & bottomDragLinear,bottomDragQuadratic
432    
433        _RL cg2dTargetResidual        _RL cg2dTargetResidual
434          _RL cg2dTargetResWunit
435          _RL cg3dTargetResidual
436        _RL cg2dpcOffDFac        _RL cg2dpcOffDFac
437        _RL delZ(Nz)        _RL delZ(Nr)
438          _RL delP(Nr)
439          _RL delR(Nr)
440        _RL delX(Nx)        _RL delX(Nx)
441        _RL delY(Ny)        _RL delY(Ny)
442        _RL deltaT        _RL deltaT
# Line 219  C     cAdjFreq  - Frequency of convectiv Line 447  C     cAdjFreq  - Frequency of convectiv
447        _RL phiMin        _RL phiMin
448        _RL thetaMin        _RL thetaMin
449        _RL rSphere        _RL rSphere
450          _RL recip_RSphere
451        _RL f0        _RL f0
452        _RL freeSurfFac        _RL freeSurfFac
453          _RL implicSurfPress
454          _RL implicDiv2Dflow
455          _RL hFacMin
456          _RL hFacMinDz
457          _RL hFacMinDp
458          _RL hFacMinDr
459          _RL hFacInf
460          _RL hFacSup
461        _RL beta        _RL beta
462        _RL viscAh        _RL viscAh
463          _RL viscAstrain
464          _RL viscAtension
465        _RL viscAz        _RL viscAz
466          _RL viscAp
467          _RL viscAr
468        _RL viscA4        _RL viscA4
469        _RL diffKhT        _RL diffKhT
470          _RL diffKrT
471        _RL diffKzT        _RL diffKzT
472          _RL diffKpT
473        _RL diffK4T        _RL diffK4T
474        _RL diffKhS        _RL diffKhS
475          _RL diffKrS
476        _RL diffKzS        _RL diffKzS
477          _RL diffKpS
478        _RL diffK4S        _RL diffK4S
479        _RL delt        _RL delt
480        _RL tauCD        _RL tauCD
481        _RL rCD        _RL rCD
       _RL GMmaxslope  
       _RL GMlength  
       _RL GMalpha  
       _RL GMdepth  
       _RL GMkbackground  
482        _RL gravity        _RL gravity
483          _RL recip_gravity
484        _RL gBaro        _RL gBaro
485        _RL rhonil        _RL rhonil
486        _RL tRef(Nz)        _RL recip_rhonil
487        _RL sRef(Nz)        _RL rhoConst
488        _RL Fcori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RL recip_rhoConst
489          _RL specVol_S(Nr)
490          _RL tRef(Nr)
491          _RL theta_S(Nr)
492          _RL sRef(Nr)
493          _RS fCori(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
494          _RS fCoriG(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
495        _RL startTime        _RL startTime
496        _RL endTime        _RL endTime
497        _RL chkPtFreq        _RL chkPtFreq
498        _RL pChkPtFreq        _RL pChkPtFreq
499        _RL dumpFreq        _RL dumpFreq
500          _RL diagFreq
501          _RL taveFreq
502          _RL monitorFreq
503        _RL afFacMom        _RL afFacMom
504        _RL vfFacMom        _RL vfFacMom
505        _RL pfFacMom        _RL pfFacMom
506        _RL cfFacMom        _RL cfFacMom
507        _RL foFacMom        _RL foFacMom
508          _RL mTFacMom
509          _RL cosPower
510        _RL cAdjFreq        _RL cAdjFreq
511          _RL omega
512          _RL tauThetaClimRelax
513          _RL lambdaThetaClimRelax
514          _RL tauSaltClimRelax
515          _RL lambdaSaltClimRelax
516          _RL tauTr1ClimRelax
517          _RL lambdaTr1ClimRelax
518          _RL externForcingCycle
519          _RL externForcingPeriod
520          _RL horiVertRatio
521          _RL recip_horiVertRatio
522          _RL latFFTFiltLo
523          _RL ivdc_kappa
524          _RL Ro_SeaLevel
525          _RL zonal_filt_lat
526          _RL bottomDragLinear
527          _RL bottomDragQuadratic
528    
529        COMMON /PARM_A/ HeatCapacity_Cp,        COMMON /PARM_A/ HeatCapacity_Cp,recip_Cp,
530       &                Lamba_theta       &                Lamba_theta
531        _RL HeatCapacity_Cp        _RL HeatCapacity_Cp
532        _RL Lamba_theta        _RL Lamba_theta
533          _RL recip_Cp
534    
535  C Equation of State (polynomial coeffients)  C Equation of State (polynomial coeffients)
536        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
537        _RL eosC(Nz+1,9),eosSig0(Nz+1),eosRefT(Nz+1),eosRefS(Nz+1)        _RL eosC(9,Nr+1),eosSig0(Nr+1),eosRefT(Nr+1),eosRefS(Nr+1)
538  C Linear equation of state  C Linear equation of state
539  C     tAlpha    - Linear EOS thermal expansion coefficient ( 1/degree ).  C     tAlpha    :: Linear EOS thermal expansion coefficient ( 1/degree ).
540  C     sBeta     - Linear EOS haline contraction coefficient.  C     sBeta     :: Linear EOS haline contraction coefficient.
541        COMMON /PARM_EOS_LIN/ tAlpha,sBeta        COMMON /PARM_EOS_LIN/ tAlpha,sBeta,eosType
542        _RL tAlpha        _RL tAlpha
543        _RL sBeta        _RL sBeta
544          character*(6) eosType
545    
546    C Atmospheric physical parameters (Ideal Gas EOS, ...)
547    C     atm_po    :: standard reference pressure
548    C     atm_cp    :: specific heat (Cp) of the (dry) air at constant pressure
549    C     atm_kappa :: kappa = R/Cp (R: constant of Ideal Gas EOS)
550    C     Integr_GeoPot :: option to select the way we integrate the geopotential
551    C                     (still a subject of discussions ...)
552          COMMON /PARM_ATM/ atm_cp, atm_kappa, atm_po,
553         &                  Integr_GeoPot
554          _RL atm_cp, atm_kappa, atm_po
555          INTEGER Integr_GeoPot
556    
557    C Logical flags for selecting packages
558          LOGICAL useKPP
559          LOGICAL useGMRedi
560          LOGICAL useOBCS
561          LOGICAL useAIM
562          LOGICAL useGrdchk
563          LOGICAL useECCO
564          LOGICAL useSHAP_FILT
565          LOGICAL useFLT
566          COMMON /PARM_PACKAGES/
567         &        useKPP, useGMRedi, useOBCS, useAIM, useECCO,
568         &        useSHAP_FILT, useGrdchk, useFLT
569    

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