/[MITgcm]/MITgcm/model/inc/PARAMS.h
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revision 1.30 by cnh, Sun Sep 6 17:35:19 1998 UTC revision 1.40 by adcroft, Wed Jul 28 16:32:03 1999 UTC
# Line 4  C     /================================= Line 4  C     /=================================
4  C     | PARAMS.h                                                 |  C     | PARAMS.h                                                 |
5  C     | o Header file defining model "parameters".               |  C     | o Header file defining model "parameters".               |
6  C     |==========================================================|  C     |==========================================================|
7  C     | The values from the model's standard input file are      |  C     | The values from the model standard input file are        |
8  C     | stored into the variables held here. Notes describing    |  C     | stored into the variables held here. Notes describing    |
9  C     | the parameters can also be found here.                   |  C     | the parameters can also be found here.                   |
10  C     \==========================================================/  C     \==========================================================/
# Line 23  C     Symbolic values Line 23  C     Symbolic values
23  C     precXXXX - Used to indicate what precision to use for  C     precXXXX - Used to indicate what precision to use for
24  C                dumping model state.  C                dumping model state.
25        INTEGER precFloat32        INTEGER precFloat32
26        PARAMETER ( precFloat32 = 0 )        PARAMETER ( precFloat32 = 32 )
27        INTEGER precFloat64        INTEGER precFloat64
28        PARAMETER ( precFloat64 = 1 )        PARAMETER ( precFloat64 = 64 )
29  C     UNSET_xxx - Used to indicate variables that have not been given a value  C     UNSET_xxx - Used to indicate variables that have not been given a value
30        Real*8 UNSET_FLOAT8        Real*8 UNSET_FLOAT8
31        PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )        PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )
# Line 55  C     thetaClimFile   - File containing Line 55  C     thetaClimFile   - File containing
55  C                       in relaxation term -lambda(theta-theta*)  C                       in relaxation term -lambda(theta-theta*)
56  C     saltClimFile    - File containing salt climataology used  C     saltClimFile    - File containing salt climataology used
57  C                       in relaxation term -lambda(salt-salt*)  C                       in relaxation term -lambda(salt-salt*)
58    C     surfQfile       - File containing surface heat flux
59    C     EmPmRfile       - File containing surface fresh water flux
60  C     buoyancyRelation - Flag used to indicate which relation to use to  C     buoyancyRelation - Flag used to indicate which relation to use to
61  C                        get buoyancy.  C                        get buoyancy.
62        COMMON /PARM_C/ checkPtSuff,        COMMON /PARM_C/ checkPtSuff,
63       &                bathyFile, hydrogThetaFile, hydrogSaltFile,       &                bathyFile, hydrogThetaFile, hydrogSaltFile,
64       &                zonalWindFile, meridWindFile, thetaClimFile,       &                zonalWindFile, meridWindFile, thetaClimFile,
65       &                saltClimFile, buoyancyRelation       &                saltClimFile, buoyancyRelation,
66         &                EmPmRfile,surfQfile
67        CHARACTER*(5) checkPtSuff(maxNoChkptLev)        CHARACTER*(5) checkPtSuff(maxNoChkptLev)
68        CHARACTER*(MAX_LEN_FNAM) bathyFile        CHARACTER*(MAX_LEN_FNAM) bathyFile
69        CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile        CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
# Line 69  C                        get buoyancy. Line 72  C                        get buoyancy.
72        CHARACTER*(MAX_LEN_FNAM) meridWindFile        CHARACTER*(MAX_LEN_FNAM) meridWindFile
73        CHARACTER*(MAX_LEN_FNAM) thetaClimFile        CHARACTER*(MAX_LEN_FNAM) thetaClimFile
74        CHARACTER*(MAX_LEN_FNAM) saltClimFile        CHARACTER*(MAX_LEN_FNAM) saltClimFile
75          CHARACTER*(MAX_LEN_FNAM) surfQfile
76          CHARACTER*(MAX_LEN_FNAM) EmPmRfile
77        CHARACTER*(MAX_LEN_FNAM) buoyancyRelation        CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
78    
79  C--   COMMON /PARM_I/ Integer valued parameters used by the model.  C--   COMMON /PARM_I/ Integer valued parameters used by the model.
# Line 76  C     cg2dMaxIters        - Maximum numb Line 81  C     cg2dMaxIters        - Maximum numb
81  C                           two-dimensional con. grad solver.  C                           two-dimensional con. grad solver.
82  C     cg2dChkResFreq      - Frequency with which to check residual  C     cg2dChkResFreq      - Frequency with which to check residual
83  C                           in con. grad solver.  C                           in con. grad solver.
84    C     cg3dMaxIters        - Maximum number of iterations in the
85    C                           three-dimensional con. grad solver.
86    C     cg3dChkResFreq      - Frequency with which to check residual
87    C                           in con. grad solver.
88  C     nIter0              - Start time-step number of for this run  C     nIter0              - Start time-step number of for this run
89  C     nTimeSteps          - Number of timesteps to execute  C     nTimeSteps          - Number of timesteps to execute
90  C     numStepsPerPickup   - For offline setup. Frequency of pickup  C     numStepsPerPickup   - For offline setup. Frequency of pickup
# Line 84  C     writeStatePrec      - Precision us Line 93  C     writeStatePrec      - Precision us
93  C     writeBinaryPrec     - Precision used for writing binary files  C     writeBinaryPrec     - Precision used for writing binary files
94  C     readBinaryPrec      - Precision used for reading binary files  C     readBinaryPrec      - Precision used for reading binary files
95  C     nCheckLev           - Holds current checkpoint level  C     nCheckLev           - Holds current checkpoint level
96    C     nShap               - "Order" of shapiro filter to apply to
97    C                           model prognositic fields.
98    C                           nShap == 1 => del2
99    C                           nShap == 2 => del4
100    C                           nShap == 3 => del6
101    C                           etc...
102    
103        COMMON /PARM_I/        COMMON /PARM_I/
104       &        cg2dMaxIters,       &        cg2dMaxIters,
105       &        cg2dChkResFreq,       &        cg2dChkResFreq,
106         &        cg3dMaxIters,
107         &        cg3dChkResFreq,
108       &        nIter0, nTimeSteps,       &        nIter0, nTimeSteps,
109       &        numStepsPerPickup,       &        numStepsPerPickup,
110       &        writeStatePrec, nCheckLev,       &        writeStatePrec, nCheckLev,
111       &        writeBinaryPrec, readBinaryPrec       &        writeBinaryPrec, readBinaryPrec,
112         &        nShap
113        INTEGER cg2dMaxIters        INTEGER cg2dMaxIters
114        INTEGER cg2dChkResFreq        INTEGER cg2dChkResFreq
115          INTEGER cg3dMaxIters
116          INTEGER cg3dChkResFreq
117        INTEGER nIter0        INTEGER nIter0
118        INTEGER nTimeSteps        INTEGER nTimeSteps
119        INTEGER numStepsPerPickup        INTEGER numStepsPerPickup
# Line 100  C     nCheckLev           - Holds curren Line 121  C     nCheckLev           - Holds curren
121        INTEGER writeBinaryPrec        INTEGER writeBinaryPrec
122        INTEGER readBinaryPrec        INTEGER readBinaryPrec
123        INTEGER nCheckLev        INTEGER nCheckLev
124          INTEGER nShap
125    
126  C--   COMMON /PARM_L/ Logical valued parameters used by the model.  C--   COMMON /PARM_L/ Logical valued parameters used by the model.
127  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian  C     usingCartesianGrid - If TRUE grid generation will be in a cartesian
128  C                          coordinate frame.  C                          coordinate frame.
129  C     usingSphericalPolarGrid - If TRUE grid generation will be in a  C     usingSphericalPolarGrid - If TRUE grid generation will be in a
130  C                               spherical polar frame.  C                               spherical polar frame.
131    C     no_slip_sides - Impose "no-slip" at lateral boundaries.
132    C     no_slip_bottom- Impose "no-slip" at bottom boundary.
133  C     momViscosity  - Flag which turns momentum friction terms on and off.  C     momViscosity  - Flag which turns momentum friction terms on and off.
134  C     momAdvection  - Flag which turns advection of momentum on and off.  C     momAdvection  - Flag which turns advection of momentum on and off.
135  C     momForcing    - Flag which turns external forcing of momentum on  C     momForcing    - Flag which turns external forcing of momentum on
# Line 136  C     useConstantF  - Coriolis parameter Line 160  C     useConstantF  - Coriolis parameter
160  C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y  C     useBetaPlaneF - Coriolis parameter set to f0 + beta.y
161  C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)  C     useSphereF    - Coriolis parameter set to 2.omega.sin(phi)
162  C     implicitDiffusion - Turns implicit vertical diffusion on  C     implicitDiffusion - Turns implicit vertical diffusion on
163    C     implicitViscosity - Turns implicit vertical viscosity on
164  C     doThetaClimRelax - Set true if relaxation to temperature  C     doThetaClimRelax - Set true if relaxation to temperature
165  C                        climatology is required.  C                        climatology is required.
166  C     doSaltClimRelax  - Set true if relaxation to salinity  C     doSaltClimRelax  - Set true if relaxation to salinity
# Line 145  C     usingPCoords     - Set to indicate Line 170  C     usingPCoords     - Set to indicate
170  C                        coords.  C                        coords.
171  C     usingZCoords     - Set to indicate that we are working in height  C     usingZCoords     - Set to indicate that we are working in height
172  C                        coords.  C                        coords.
173    C     openBoundaries - Using open-boundaries
174    C     nonHydrostatic - Using non-hydrostatic terms
175    C     globalFiles    - Selects between "global" and "tiled" files
176    C     allowFreezing  - Allows water to freeze and form ice
177        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,        COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
178       & momViscosity, momAdvection, momForcing, useCoriolis, momPressureForcing,       & no_slip_sides,no_slip_bottom,
179       & tempDiffusion, tempAdvection, tempForcing,       & momViscosity, momAdvection, momForcing, useCoriolis,
180         & momPressureForcing,tempDiffusion, tempAdvection, tempForcing,
181       & saltDiffusion, saltAdvection, saltForcing,       & saltDiffusion, saltAdvection, saltForcing,
182       & implicitFreeSurface, rigidLid,       & implicitFreeSurface, rigidLid,
183       & momStepping, tempStepping, saltStepping,       & momStepping, tempStepping, saltStepping,
184       & metricTerms, usingSphericalPolarMTerms,       & metricTerms, usingSphericalPolarMTerms,
185       & useConstantF, useBetaPlaneF, useSphereF,       & useConstantF, useBetaPlaneF, useSphereF,
186       & implicitDiffusion, doThetaClimRelax, doSaltClimRelax,       & implicitDiffusion, implicitViscosity,
187       & periodicExternalForcing, usingPCoords, usingZCoords       & doThetaClimRelax, doSaltClimRelax,
188         & periodicExternalForcing, usingPCoords, usingZCoords,
189         & openBoundaries, nonHydrostatic, globalFiles,
190         & allowFreezing
191        LOGICAL usingCartesianGrid        LOGICAL usingCartesianGrid
192        LOGICAL usingSphericalPolarGrid        LOGICAL usingSphericalPolarGrid
193        LOGICAL usingSphericalPolarMTerms        LOGICAL usingSphericalPolarMTerms
194          LOGICAL no_slip_sides
195          LOGICAL no_slip_bottom
196        LOGICAL momViscosity        LOGICAL momViscosity
197        LOGICAL momAdvection        LOGICAL momAdvection
198        LOGICAL momForcing        LOGICAL momForcing
# Line 179  C                        coords. Line 214  C                        coords.
214        LOGICAL useBetaPlaneF        LOGICAL useBetaPlaneF
215        LOGICAL useSphereF        LOGICAL useSphereF
216        LOGICAL implicitDiffusion        LOGICAL implicitDiffusion
217          LOGICAL implicitViscosity
218        LOGICAL doThetaClimRelax        LOGICAL doThetaClimRelax
219        LOGICAL doSaltClimRelax        LOGICAL doSaltClimRelax
220        LOGICAL periodicExternalForcing        LOGICAL periodicExternalForcing
221        LOGICAL usingPCoords        LOGICAL usingPCoords
222        LOGICAL usingZCoords        LOGICAL usingZCoords
223          LOGICAL openBoundaries
224          LOGICAL nonHydrostatic
225          LOGICAL globalFiles
226          LOGICAL allowFreezing
227    
228  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.  C--   COMMON /PARM_R/ "Real" valued parameters used by the model.
229  C     cg2dTargetResidual  C     cg2dTargetResidual
230  C               - Target residual for cg2d solver.  C               - Target residual for cg2d solver.
231    C     cg3dTargetResidual
232    C               - Target residual for cg3d solver.
233  C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.  C     cg2dpcOffDFac - Averaging weight for preconditioner off-diagonal.
234  C     Note. 20th May 1998  C     Note. 20th May 1998
235  C           I made a weird discovery! In the model paper we argue  C           I made a weird discovery! In the model paper we argue
# Line 208  C     delR      - Vertical grid spacing Line 250  C     delR      - Vertical grid spacing
250  C     delX      - Separation between cell faces (m) or (deg), depending  C     delX      - Separation between cell faces (m) or (deg), depending
251  C     delY        on input flags.  C     delY        on input flags.
252  C     gravity   - Accel. due to gravity ( m/s^2 )  C     gravity   - Accel. due to gravity ( m/s^2 )
253    C     recip_gravity and its inverse
254  C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )  C     gBaro     - Accel. due to gravity used in barotropic equation ( m/s^2 )
255  C     ronil     - Reference density  C     ronil     - Reference density
256  C     rhoConst  - Vertically constant reference density  C     rhoConst  - Vertically constant reference density
# Line 288  C     pfFacMom      - Momentum pressure Line 331  C     pfFacMom      - Momentum pressure
331  C     cfFacMom      - Coriolis term tracer parameter  C     cfFacMom      - Coriolis term tracer parameter
332  C     foFacMom      - Momentum forcing tracer parameter  C     foFacMom      - Momentum forcing tracer parameter
333  C     mtFacMom      - Metric terms tracer parameter  C     mtFacMom      - Metric terms tracer parameter
334    C     cosPower      - Power of cosine of latitude to multiply viscosity
335  C     cAdjFreq      - Frequency of convective adjustment  C     cAdjFreq      - Frequency of convective adjustment
336  C  C
337  C     taveFreq      - Frequency with which time-averaged model state is written to  C     taveFreq      - Frequency with which time-averaged model state is written to
# Line 301  C     externForcingCycle - Is the repeat Line 345  C     externForcingCycle - Is the repeat
345  C                          (note: externForcingCycle must be an integer  C                          (note: externForcingCycle must be an integer
346  C                           number times externForcingPeriod)  C                           number times externForcingPeriod)
347  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.  C     horiVertRatio      - Ratio on units in vertical to units in horizontal.
348  C                          ( 1 if horiz in m and vertical in m ).  C     recip_horiVertRatio  ( 1 if horiz in m and vertical in m ).
349  C                          ( g*rho if horiz in m and vertical in Pa ).  C                          ( g*rho if horiz in m and vertical in Pa ).
350    C     latFFTFiltLo       - Low latitude for FFT filtering of latitude
351    C                          circles ( see filter*.F )
352        COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac,        COMMON /PARM_R/ cg2dTargetResidual, cg2dpcOffDFac,
353         & cg3dTargetResidual,
354       & delP, delZ, delR, delX, delY,       & delP, delZ, delR, delX, delY,
355       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime, phiMin,       & deltaT,deltaTmom, deltaTtracer, deltaTClock,abeps, startTime,
356       & thetaMin, rSphere, recip_RSphere, f0, fCori, beta,       & phiMin, thetaMin, rSphere, recip_RSphere, f0, fCori, beta,
357       & viscAh,  viscAz,  viscA4,  viscAr,       & viscAh,  viscAz,  viscA4,  viscAr,
358       & diffKhT, diffKzT, diffK4T, diffKrT,       & diffKhT, diffKzT, diffK4T, diffKrT,
359       & diffKhS, diffKzS, diffK4S, diffKrS,       & diffKhS, diffKzS, diffK4S, diffKrS,
360       & delT, tauCD, rCD, freeSurfFac, hFacMin, hFacMinDz,       & delT, tauCD, rCD, freeSurfFac, hFacMin, hFacMinDz,
361       & GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground,GMmaxval,       & GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground,GMmaxval,
362       & gravity, gBaro, rhonil, recip_rhonil,       & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
363       & recip_rhoConst, rhoConst, tRef, sRef,       & recip_rhoConst, rhoConst, tRef, sRef,
364       & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq,       & endTime, chkPtFreq, pchkPtFreq, dumpFreq, taveFreq,
365       & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,       & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
366         & cosPower,
367       & cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax,       & cAdjFreq, omega, tauThetaClimRelax, lambdaThetaClimRelax,
368       & tauSaltClimRelax, lambdaSaltClimRelax,       & tauSaltClimRelax, lambdaSaltClimRelax,
369       & externForcingCycle, externForcingPeriod,       & externForcingCycle, externForcingPeriod,
370       & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,       & viscAp, diffKpT, diffKpS, hFacMinDr, hFacMinDp,
371       & theta_S, specVol_S, horiVertRatio       & theta_S, specVol_S, horiVertRatio, recip_horiVertRatio,
372         & latFFTFiltLo
373    
374        _RL cg2dTargetResidual        _RL cg2dTargetResidual
375          _RL cg3dTargetResidual
376        _RL cg2dpcOffDFac        _RL cg2dpcOffDFac
377        _RL delZ(Nr)        _RL delZ(Nr)
378        _RL delP(Nr)        _RL delP(Nr)
# Line 370  C                          ( g*rho if ho Line 420  C                          ( g*rho if ho
420        _RL GMkbackground        _RL GMkbackground
421        _RL GMmaxval        _RL GMmaxval
422        _RL gravity        _RL gravity
423          _RL recip_gravity
424        _RL gBaro        _RL gBaro
425        _RL rhonil        _RL rhonil
426        _RL recip_rhonil        _RL recip_rhonil
# Line 392  C                          ( g*rho if ho Line 443  C                          ( g*rho if ho
443        _RL cfFacMom        _RL cfFacMom
444        _RL foFacMom        _RL foFacMom
445        _RL mTFacMom        _RL mTFacMom
446          _RL cosPower
447        _RL cAdjFreq        _RL cAdjFreq
448        _RL omega        _RL omega
449        _RL tauThetaClimRelax        _RL tauThetaClimRelax
# Line 401  C                          ( g*rho if ho Line 453  C                          ( g*rho if ho
453        _RL externForcingCycle        _RL externForcingCycle
454        _RL externForcingPeriod        _RL externForcingPeriod
455        _RL horiVertRatio        _RL horiVertRatio
456          _RL recip_horiVertRatio
457          _RL latFFTFiltLo
458    
459        COMMON /PARM_A/ HeatCapacity_Cp,        COMMON /PARM_A/ HeatCapacity_Cp,recip_Cp,
460       &                Lamba_theta       &                Lamba_theta
461        _RL HeatCapacity_Cp        _RL HeatCapacity_Cp
462        _RL Lamba_theta        _RL Lamba_theta
463          _RL recip_Cp
464    
465  C Equation of State (polynomial coeffients)  C Equation of State (polynomial coeffients)
466        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS        COMMON /PARM_EOS_NL/ eosC,eosSig0,eosRefT,eosRefS
# Line 418  C     sBeta     - Linear EOS haline cont Line 473  C     sBeta     - Linear EOS haline cont
473        _RL sBeta        _RL sBeta
474        character*(6) eosType        character*(6) eosType
475    
476    C These are input arrays (of integers) that contain the *absolute*
477    C computational index of an open-boundary (OB) point.
478    C A zero (0) element means there is no corresponding OB in that column/row.
479    C The computational coordinate refers to "tracer" cells.
480    C For a northern/southern OB, the OB V point is to the south/north.
481    C For an eastern/western OB, the OB U point is to the west/east.
482    C eg.
483    C     OB_Jnorth(3)=34  means that:
484    C          T( 3 ,34) is a an OB point
485    C          U(3:4,34) is a an OB point
486    C          V( 4 ,34) is a an OB point
487    C while
488    C     OB_Jsouth(3)=1  means that:
489    C          T( 3 ,1) is a an OB point
490    C          U(3:4,1) is a an OB point
491    C          V( 4 ,2) is a an OB point
492    C
493    C For convenience, negative values for Jnorth/Ieast refer to
494    C points relative to the Northern/Eastern edges of the model
495    C eg. OB_Jnorth(3)=-1  means that the point (3,Ny-1) is a northern O-B.
496    C
497          COMMON /PARM_OB/
498         & OB_Jnorth,OB_Jsouth,OB_Ieast,OB_Iwest
499          INTEGER OB_Jnorth(Nx)
500          INTEGER OB_Jsouth(Nx)
501          INTEGER OB_Ieast(Ny)
502          INTEGER OB_Iwest(Ny)

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