/[MITgcm]/MITgcm/model/inc/PARAMS.h
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Contents of /MITgcm/model/inc/PARAMS.h

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Revision 1.179 - (show annotations) (download)
Thu Feb 23 16:43:52 2006 UTC (18 years, 2 months ago) by jmc
Branch: MAIN
Changes since 1.178: +6 -9 lines
File MIME type: text/plain
move tauThetaClimRelax3Dim & tauSaltClimRelax3Dim
 from common block to "retired parameter" list (in ini_parms.F)

1 C $Header: /u/gcmpack/MITgcm/model/inc/PARAMS.h,v 1.178 2006/02/10 22:54:11 jmc Exp $
2 C $Name: $
3 C
4
5 CBOP
6 C !ROUTINE: PARAMS.h
7 C !INTERFACE:
8 C #include PARAMS.h
9
10 C !DESCRIPTION:
11 C Header file defining model "parameters". The values from the
12 C model standard input file are stored into the variables held
13 C here. Notes describing the parameters can also be found here.
14
15 CEOP
16
17 C Macros for special grid options
18 #include "PARAMS_MACROS.h"
19
20 C-- Contants
21 C Useful physical values
22 Real*8 PI
23 PARAMETER ( PI = 3.14159265358979323844D0 )
24 Real*8 deg2rad
25 PARAMETER ( deg2rad = 2.D0*PI/360.D0 )
26
27 C Symbolic values
28 C precXXXX :: Used to indicate what precision to use for
29 C dumping model state.
30 INTEGER precFloat32
31 PARAMETER ( precFloat32 = 32 )
32 INTEGER precFloat64
33 PARAMETER ( precFloat64 = 64 )
34 C UNSET_xxx :: Used to indicate variables that have not been given a value
35 Real*8 UNSET_FLOAT8
36 PARAMETER ( UNSET_FLOAT8 = 1.234567D5 )
37 Real*4 UNSET_FLOAT4
38 PARAMETER ( UNSET_FLOAT4 = 1.234567E5 )
39 _RL UNSET_RL
40 PARAMETER ( UNSET_RL = 1.234567D5 )
41 _RS UNSET_RS
42 PARAMETER ( UNSET_RS = 1.234567E5 )
43 INTEGER UNSET_I
44 PARAMETER ( UNSET_I = 123456789 )
45
46 C Checkpoint data
47 INTEGER maxNoChkptLev
48 PARAMETER ( maxNoChkptLev = 2 )
49
50 C-- COMMON /PARM_C/ Character valued parameters used by the model.
51 C checkPtSuff :: List of checkpoint file suffices
52 C delXFile :: File containing X-spacing grid definition (1.D array)
53 C delYFile :: File containing Y-spacing grid definition (1.D array)
54 C horizGridFile :: File containing horizontal-grid definition
55 C (only when using curvilinear_grid)
56 C bathyFile :: File containing bathymetry. If not defined bathymetry
57 C is taken from inline function.
58 C topoFile :: File containing the topography of the surface (unit=m)
59 C (mainly used for the atmosphere = ground height).
60 C shelfIceFile:: File containing the topography of the shelfice draught
61 C (unit=m)
62 C hydrogThetaFile :: File containing initial hydrographic data for potential
63 C temperature.
64 C hydrogSaltFile :: File containing initial hydrographic data for salinity.
65 C zonalWindFile :: File containing zonal wind data
66 C meridWindFile :: File containing meridional wind data
67 C thetaClimFile :: File containing theta climataology used
68 C in relaxation term -lambda(theta-theta*)
69 C saltClimFile :: File containing salt climataology used
70 C in relaxation term -lambda(salt-salt*)
71 C surfQfile :: File containing surface heat flux, excluding SW
72 C (old version, kept for backward compatibility)
73 C surfQnetFile :: File containing surface net heat flux
74 C surfQswFile :: File containing surface shortwave radiation
75 C dQdTfile :: File containing thermal relaxation coefficient
76 C EmPmRfile :: File containing surface fresh water flux
77 C saltFluxFile :: File containing surface salt flux
78 C pLoadFile :: File containing pressure loading
79 C eddyTauxFile :: File containing zonal Eddy stress data
80 C eddyTauyFile :: File containing meridional Eddy stress data
81 C buoyancyRelation :: Flag used to indicate which relation to use to
82 C get buoyancy.
83 C eosType :: choose the equation of state:
84 C LINEAR, POLY3, UNESCO, JMD95Z, JMD95P, MDJWF, IDEALGAS
85 C the_run_name :: string identifying the name of the model "run"
86 COMMON /PARM_C/ checkPtSuff,
87 & delXFile, delYFile, horizGridFile,
88 & bathyFile, topoFile, shelfIceFile,
89 & hydrogThetaFile, hydrogSaltFile,
90 & zonalWindFile, meridWindFile, thetaClimFile,
91 & saltClimFile, buoyancyRelation,
92 & EmPmRfile, saltFluxFile,
93 & surfQfile, surfQnetFile, surfQswFile,
94 & lambdaThetaFile, lambdaSaltFile,
95 & uVelInitFile, vVelInitFile, pSurfInitFile,
96 & dQdTfile, ploadFile,
97 & eddyTauxFile, eddyTauyFile,
98 & eosType, pickupSuff,
99 & mdsioLocalDir,
100 & the_run_name
101 CHARACTER*(5) checkPtSuff(maxNoChkptLev)
102 CHARACTER*(MAX_LEN_FNAM) delXFile
103 CHARACTER*(MAX_LEN_FNAM) delYFile
104 CHARACTER*(MAX_LEN_FNAM) horizGridFile
105 CHARACTER*(MAX_LEN_FNAM) bathyFile, topoFile, shelfIceFile
106 CHARACTER*(MAX_LEN_FNAM) hydrogThetaFile
107 CHARACTER*(MAX_LEN_FNAM) hydrogSaltFile
108 CHARACTER*(MAX_LEN_FNAM) zonalWindFile
109 CHARACTER*(MAX_LEN_FNAM) meridWindFile
110 CHARACTER*(MAX_LEN_FNAM) thetaClimFile
111 CHARACTER*(MAX_LEN_FNAM) saltClimFile
112 CHARACTER*(MAX_LEN_FNAM) surfQfile
113 CHARACTER*(MAX_LEN_FNAM) surfQnetFile
114 CHARACTER*(MAX_LEN_FNAM) surfQswFile
115 CHARACTER*(MAX_LEN_FNAM) EmPmRfile
116 CHARACTER*(MAX_LEN_FNAM) saltFluxFile
117 CHARACTER*(MAX_LEN_FNAM) buoyancyRelation
118 CHARACTER*(MAX_LEN_FNAM) uVelInitFile
119 CHARACTER*(MAX_LEN_FNAM) vVelInitFile
120 CHARACTER*(MAX_LEN_FNAM) pSurfInitFile
121 CHARACTER*(MAX_LEN_FNAM) dQdTfile
122 CHARACTER*(MAX_LEN_FNAM) ploadFile
123 CHARACTER*(MAX_LEN_FNAM) eddyTauxFile
124 CHARACTER*(MAX_LEN_FNAM) eddyTauyFile
125 CHARACTER*(MAX_LEN_FNAM) lambdaThetaFile
126 CHARACTER*(MAX_LEN_FNAM) lambdaSaltFile
127 CHARACTER*(MAX_LEN_FNAM) mdsioLocalDir
128 CHARACTER*(MAX_LEN_FNAM) the_run_name
129 CHARACTER*(6) eosType
130 CHARACTER*(10) pickupSuff
131
132 C-- COMMON /PARM_I/ Integer valued parameters used by the model.
133 C cg2dMaxIters :: Maximum number of iterations in the
134 C two-dimensional con. grad solver.
135 C cg2dChkResFreq :: Frequency with which to check residual
136 C in con. grad solver.
137 C cg2dPreCondFreq :: Frequency for updating cg2d preconditioner
138 C (non-linear free-surf.)
139 C cg3dMaxIters :: Maximum number of iterations in the
140 C three-dimensional con. grad solver.
141 C cg3dChkResFreq :: Frequency with which to check residual
142 C in con. grad solver.
143 C nIter0 :: Start time-step number of for this run
144 C nTimeSteps :: Number of timesteps to execute
145 C numStepsPerPickup :: For offline setup. Frequency of pickup
146 C of flow fields.
147 C writeStatePrec :: Precision used for writing model state.
148 C writeBinaryPrec :: Precision used for writing binary files
149 C readBinaryPrec :: Precision used for reading binary files
150 C nCheckLev :: Holds current checkpoint level
151 C nonlinFreeSurf :: option related to non-linear free surface
152 C =0 Linear free surface ; >0 Non-linear
153 C select_rStar :: option related to r* vertical coordinate
154 C =0 (default) use r coord. ; > 0 use r*
155 C tempAdvScheme :: Temp. Horiz.Advection scheme selector
156 C tempVertAdvScheme :: Temp. Vert. Advection scheme selector
157 C saltAdvScheme :: Salt. Horiz.advection scheme selector
158 C saltVertAdvScheme :: Salt. Vert. Advection scheme selector
159 C selectKEscheme :: Kinetic Energy scheme selector (Vector Inv.)
160 C debugLevel :: debug level selector: higher -> more writing
161
162 COMMON /PARM_I/
163 & cg2dMaxIters,
164 & cg2dChkResFreq, cg2dPreCondFreq,
165 & cg3dMaxIters,
166 & cg3dChkResFreq,
167 & nIter0, nTimeSteps, nEndIter,
168 & numStepsPerPickup,
169 & writeStatePrec, nCheckLev,
170 & writeBinaryPrec, readBinaryPrec,
171 & nonlinFreeSurf, select_rStar,
172 & tempAdvScheme, tempVertAdvScheme,
173 & saltAdvScheme, saltVertAdvScheme,
174 & selectKEscheme,
175 & debugLevel
176 INTEGER cg2dMaxIters
177 INTEGER cg2dChkResFreq
178 INTEGER cg2dPreCondFreq
179 INTEGER cg3dMaxIters
180 INTEGER cg3dChkResFreq
181 INTEGER nIter0
182 INTEGER nTimeSteps
183 INTEGER nEndIter
184 INTEGER numStepsPerPickup
185 INTEGER writeStatePrec
186 INTEGER writeBinaryPrec
187 INTEGER readBinaryPrec
188 INTEGER nCheckLev
189 INTEGER nonlinFreeSurf
190 INTEGER select_rStar
191 INTEGER tempAdvScheme, tempVertAdvScheme
192 INTEGER saltAdvScheme, saltVertAdvScheme
193 INTEGER selectKEscheme
194 INTEGER debugLevel
195
196 C
197 INTEGER debLevZero
198 PARAMETER(debLevZero=0)
199 INTEGER debLevA
200 PARAMETER(debLevA=1)
201 INTEGER debLevB
202 PARAMETER(debLevB=2)
203
204 C-- COMMON /PARM_L/ Logical valued parameters used by the model.
205 C usingCartesianGrid :: If TRUE grid generation will be in a cartesian
206 C coordinate frame.
207 C usingSphericalPolarGrid :: If TRUE grid generation will be in a
208 C spherical polar frame.
209 C usingCylindricalGrid :: If TRUE grid generation will be Cylindrical
210 C no_slip_sides :: Impose "no-slip" at lateral boundaries.
211 C no_slip_bottom :: Impose "no-slip" at bottom boundary.
212 C momViscosity :: Flag which turns momentum friction terms on and off.
213 C momAdvection :: Flag which turns advection of momentum on and off.
214 C momForcing :: Flag which turns external forcing of momentum on
215 C and off.
216 C momPressureForcing :: Flag which turns pressure term in momentum equation
217 C on and off.
218 C metricTerms :: Flag which turns metric terms on or off.
219 C usingSphericalPolarMTerms :: If TRUE use spherical polar metric terms.
220 C useNHMTerms :: If TRUE use non-hydrostatic metric terms.
221 C useCoriolis :: Flag which turns the coriolis terms on and off.
222 C tempAdvection :: Flag which turns advection of temperature on
223 C and off.
224 C tempForcing :: Flag which turns external forcing of temperature on
225 C and off.
226 C saltAdvection :: Flag which turns advection of salinity on
227 C and off.
228 C saltForcing :: Flag which turns external forcing of salinity on
229 C and off.
230 C useRealFreshWaterFlux :: if True (=Natural BCS), treats P+R-E flux
231 C as a real Fresh Water (=> changes the Sea Level)
232 C if F, converts P+R-E to salt flux (no SL effect)
233 C useFullLeith :: Set to true to use full Leith viscosity(may be unstable
234 C on irregular grids)
235 C useAreaViscLength :: Set to true to use old scaling for viscous
236 C lengths, e.g., L2=Raz. May be preferable for cube sphere.
237 C useStrainTensionVisc:: Set to true to use Strain-Tension viscous terms
238 C rigidLid :: Set to true to use rigid lid
239 C implicitFreeSurface :: Set to true to use implicit free surface
240 C exactConserv :: Set to true to conserve exactly the total Volume
241 C uniformLin_PhiSurf :: Set to true to use a uniform Bo_surf in the
242 C linear relation Phi_surf = Bo_surf*eta
243 C use3Dsolver :: set to true to use 3-D pressure solver
244 C implicitIntGravWave :: treat Internal Gravity Wave implicitly
245 C staggerTimeStep :: enable a Stagger time stepping T,S Rho then U,V
246 C momStepping :: Turns momentum equation time-stepping off
247 C tempStepping :: Turns temperature equation time-stepping off
248 C saltStepping :: Turns salinity equation time-stepping off
249 C useConstantF :: Coriolis parameter set to f0
250 C useBetaPlaneF :: Coriolis parameter set to f0 + beta.y
251 C useSphereF :: Coriolis parameter set to 2.omega.sin(phi)
252 C useCDscheme :: use CD-scheme to calculate Coriolis terms.
253 C useJamartWetPoints :: Use wet-point method for Coriolis (Jamart and Ozer, 1986)
254 C useJamartMomAdv :: Use wet-point method for V.I. non-linear term
255 C SadournyCoriolis :: use the enstrophy conserving scheme by Sadourny
256 C upwindVorticity :: bias interpolation of vorticity in the Coriolis term
257 C highOrderVorticity :: use 3rd/4th order interp. of vorticity (V.I., advection)
258 C upwindShear :: use 1rst order upwind interp. (V.I., vertical advection)
259 C useAbsVorticity :: work with f+zeta in Coriolis terms
260 C implicitDiffusion :: Turns implicit vertical diffusion on
261 C implicitViscosity :: Turns implicit vertical viscosity on
262 C tempImplVertAdv :: Turns on implicit vertical advection for Temperature
263 C saltImplVertAdv :: Turns on implicit vertical advection for Salinity
264 C momImplVertAdv :: Turns on implicit vertical advection for Momentum
265 C multiDimAdvection :: Flag that enable multi-dimension advection
266 C useMultiDimAdvec :: True if multi-dim advection is used at least once
267 C forcing_In_AB :: if False, put forcing (Temp,Salt,Tracers) contribution
268 C out off Adams-Bashforth time stepping.
269 C doAB_onGtGs :: if the Adams-Bashforth time stepping is used, always
270 C apply AB on tracer tendencies (rather than on Tracer)
271 C startFromPickupAB2 :: with AB-3 code, start from an AB-2 pickup
272 C doThetaClimRelax :: Set true if relaxation to temperature
273 C climatology is required.
274 C doSaltClimRelax :: Set true if relaxation to salinity
275 C climatology is required.
276 C periodicExternalForcing :: Set true if forcing is time-dependant
277 C usingPCoords :: Set to indicate that we are working in a pressure
278 C type coordinate (p or p*).
279 C usingZCoords :: Set to indicate that we are working in a height
280 C type coordinate (z or z*)
281 C fluidIsAir :: Set to indicate that the fluid major constituent
282 C is air
283 C fluidIsWater :: Set to indicate that the fluid major constituent
284 C is water
285 C useDynP_inEos_Zc :: use the dynamical pressure in EOS (with Z-coord.)
286 C this requires specific code for restart & exchange
287 C setCenterDr :: set cell Center depth and put Interface at the middle
288 C nonHydrostatic :: Using non-hydrostatic terms
289 C quasiHydrostatic :: Using non-hydrostatic terms in hydrostatic algorithm
290 C globalFiles :: Selects between "global" and "tiled" files
291 C useSingleCpuIO :: On SGI platforms, option globalFiles is either
292 C slow (f77) or does not work (f90). When
293 C useSingleCpuIO is set, mdsio_writefield.F
294 C outputs from master mpi process only.
295 C allowFreezing :: Allows surface water to freeze and form ice
296 C useOldFreezing :: use the old version (before checkpoint52a_pre, 2003-11-12)
297 C pickup_write_mdsio :: use mdsio to write pickups
298 C pickup_read_mdsio :: use mdsio to read pickups
299 C pickup_write_immed :: echo the pickup immediately (for conversion)
300 C timeave_mdsio :: use mdsio for timeave output
301 C snapshot_mdsio :: use mdsio for "snapshot" (dumpfreq/diagfreq) output
302 C monitor_stdio :: use stdio for monitor output
303 C calendarDumps :: When set, approximate months (30-31 days) and years (360-372 days)
304 C for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
305 C KPP_taveFreq, and freq in pkg/diagnostics are converted to exact
306 C calendar months and years. Requires pkg/cal.
307 C dumpInitAndLast :: dumps model state to files at Initial (nIter0)
308 C & Last iteration, in addition multiple of dumpFreq iter.
309 C balanceEmPmR :: substract global mean of EmPmR at every time step
310 C balanceQnet :: substract global mean of Qnet at every time step
311 C balancePrintMean:: print substracted global means to STDOUT
312
313 COMMON /PARM_L/ usingCartesianGrid, usingSphericalPolarGrid,
314 & usingCurvilinearGrid, usingCylindricalGrid,
315 & no_slip_sides,no_slip_bottom,
316 & momViscosity, momAdvection, momForcing, useCoriolis,
317 & momPressureForcing, vectorInvariantMomentum,
318 & tempAdvection, tempForcing,
319 & saltAdvection, saltForcing,
320 & useRealFreshWaterFlux,
321 & useFullLeith, useStrainTensionVisc,
322 & useAreaViscLength,
323 & rigidLid, implicitFreeSurface, exactConserv, uniformLin_PhiSurf,
324 & use3Dsolver, implicitIntGravWave, staggerTimeStep,
325 & momStepping, tempStepping, saltStepping,
326 & metricTerms, usingSphericalPolarMTerms, useNHMTerms,
327 & useConstantF, useBetaPlaneF, useSphereF,
328 & useCDscheme,
329 & useEnergyConservingCoriolis, useJamartWetPoints, useJamartMomAdv,
330 & SadournyCoriolis, upwindVorticity, highOrderVorticity,
331 & useAbsVorticity, upwindShear,
332 & implicitDiffusion, implicitViscosity,
333 & tempImplVertAdv, saltImplVertAdv, momImplVertAdv,
334 & multiDimAdvection, useMultiDimAdvec,
335 & forcing_In_AB, doAB_onGtGs,
336 & doThetaClimRelax, doSaltClimRelax, doTr1ClimRelax,
337 & periodicExternalForcing,
338 & fluidIsAir, fluidIsWater,
339 & usingPCoords, usingZCoords, useDynP_inEos_Zc, setCenterDr,
340 & nonHydrostatic, quasiHydrostatic, globalFiles, useSingleCpuIO,
341 & allowFreezing, useOldFreezing,
342 & usePickupBeforeC35, usePickupBeforeC54, startFromPickupAB2,
343 & pickup_read_mdsio, pickup_write_mdsio, pickup_write_immed,
344 & timeave_mdsio, snapshot_mdsio, monitor_stdio,
345 & outputTypesInclusive, dumpInitAndLast, debugMode,
346 & inAdMode, inAdTrue, inAdFalse, inAdExact,
347 & calendarDumps,
348 & balanceEmPmR, balanceQnet, balancePrintMean
349
350 LOGICAL usingCartesianGrid
351 LOGICAL usingSphericalPolarGrid
352 LOGICAL usingCylindricalGrid
353 LOGICAL usingCurvilinearGrid
354 LOGICAL usingSphericalPolarMTerms
355 LOGICAL useNHMTerms
356 LOGICAL no_slip_sides
357 LOGICAL no_slip_bottom
358 LOGICAL momViscosity
359 LOGICAL momAdvection
360 LOGICAL momForcing
361 LOGICAL momPressureForcing
362 LOGICAL useCoriolis
363 LOGICAL vectorInvariantMomentum
364 LOGICAL tempAdvection
365 LOGICAL tempForcing
366 LOGICAL saltAdvection
367 LOGICAL saltForcing
368 LOGICAL useRealFreshWaterFlux
369 LOGICAL useFullLeith
370 LOGICAL useStrainTensionVisc
371 LOGICAL useAreaViscLength
372 LOGICAL rigidLid
373 LOGICAL implicitFreeSurface
374 LOGICAL exactConserv
375 LOGICAL uniformLin_PhiSurf
376 LOGICAL use3Dsolver
377 LOGICAL implicitIntGravWave
378 LOGICAL staggerTimeStep
379 LOGICAL momStepping
380 LOGICAL tempStepping
381 LOGICAL saltStepping
382 LOGICAL metricTerms
383 LOGICAL useConstantF
384 LOGICAL useBetaPlaneF
385 LOGICAL useSphereF
386 LOGICAL useCDscheme
387 LOGICAL useEnergyConservingCoriolis
388 LOGICAL useJamartWetPoints
389 LOGICAL useJamartMomAdv
390 LOGICAL SadournyCoriolis
391 LOGICAL upwindVorticity
392 LOGICAL highOrderVorticity
393 LOGICAL useAbsVorticity
394 LOGICAL upwindShear
395 LOGICAL implicitDiffusion
396 LOGICAL implicitViscosity
397 LOGICAL tempImplVertAdv
398 LOGICAL saltImplVertAdv
399 LOGICAL momImplVertAdv
400 LOGICAL multiDimAdvection
401 LOGICAL useMultiDimAdvec
402 LOGICAL forcing_In_AB
403 LOGICAL doAB_onGtGs
404 LOGICAL doThetaClimRelax
405 LOGICAL doSaltClimRelax
406 LOGICAL doTr1ClimRelax
407 LOGICAL periodicExternalForcing
408 LOGICAL fluidIsAir
409 LOGICAL fluidIsWater
410 LOGICAL usingPCoords
411 LOGICAL usingZCoords
412 LOGICAL useDynP_inEos_Zc
413 LOGICAL setCenterDr
414 LOGICAL nonHydrostatic
415 LOGICAL quasiHydrostatic
416 LOGICAL globalFiles
417 LOGICAL useSingleCpuIO
418 LOGICAL allowFreezing
419 LOGICAL useOldFreezing
420 LOGICAL usePickupBeforeC35
421 LOGICAL usePickupBeforeC54
422 LOGICAL startFromPickupAB2
423 LOGICAL dumpInitAndLast
424 LOGICAL debugMode
425 LOGICAL pickup_read_mdsio, pickup_write_mdsio
426 LOGICAL pickup_write_immed
427 LOGICAL timeave_mdsio, snapshot_mdsio, monitor_stdio
428 LOGICAL outputTypesInclusive
429 LOGICAL inAdMode, inAdTrue, inAdFalse, inAdExact
430 LOGICAL calendarDumps
431
432 LOGICAL balanceEmPmR
433 LOGICAL balanceQnet
434 LOGICAL balancePrintMean
435
436 C-- COMMON /PARM_R/ "Real" valued parameters used by the model.
437 C cg2dTargetResidual
438 C :: Target residual for cg2d solver; no unit (RHS normalisation)
439 C cg2dTargetResWunit
440 C :: Target residual for cg2d solver; W unit (No RHS normalisation)
441 C cg3dTargetResidual
442 C :: Target residual for cg3d solver.
443 C cg2dpcOffDFac :: Averaging weight for preconditioner off-diagonal.
444 C Note. 20th May 1998
445 C I made a weird discovery! In the model paper we argue
446 C for the form of the preconditioner used here ( see
447 C A Finite-volume, Incompressible Navier-Stokes Model
448 C ...., Marshall et. al ). The algebra gives a simple
449 C 0.5 factor for the averaging of ac and aCw to get a
450 C symmettric pre-conditioner. By using a factor of 0.51
451 C i.e. scaling the off-diagonal terms in the
452 C preconditioner down slightly I managed to get the
453 C number of iterations for convergence in a test case to
454 C drop form 192 -> 134! Need to investigate this further!
455 C For now I have introduced a parameter cg2dpcOffDFac which
456 C defaults to 0.51 but can be set at runtime.
457 C delR :: Vertical grid spacing ( units of r ).
458 C delRc :: Vertical grid spacing between cell centers (r unit).
459 C delX :: Separation between cell faces (m) or (deg), depending
460 C delY on input flags.
461 C gravity :: Accel. due to gravity ( m/s^2 )
462 C recip_gravity and its inverse
463 C gBaro :: Accel. due to gravity used in barotropic equation ( m/s^2 )
464 C rhoNil :: Reference density for the linear equation of state
465 C rhoConst :: Vertically constant reference density
466 C rhoConstFresh :: Constant reference density for fresh water (rain)
467 C tRef :: reference vertical profile for potential temperature
468 C sRef :: reference vertical profile for salinity/specific humidity
469 C phiRef :: reference potential (pressure/rho, geopotential) profile
470 C dBdrRef :: vertical gradient of reference boyancy [(m/s/r)^2)]:
471 C :: z-coord: = N^2_ref = Brunt-Vaissala frequency [s^-2]
472 C :: p-coord: = -(d.alpha/dp)_ref [(m^2.s/kg)^2]
473 C phiMin :: Latitude of southern most cell face.
474 C thetaMin :: Longitude of western most cell face (this
475 C is an "inert" parameter but it is included
476 C to make geographical references simple.)
477 C rSphere :: Radius of sphere for a spherical polar grid ( m ).
478 C recip_RSphere :: Reciprocal radius of sphere ( m ).
479 C f0 :: Reference coriolis parameter ( 1/s )
480 C ( Southern edge f for beta plane )
481 C beta :: df/dy ( s^-1.m^-1 )
482 C omega :: Angular velocity ( rad/s )
483 C rotationPeriod :: Rotation period (s) (= 2.pi/omega)
484 C viscAh :: Eddy viscosity coeff. for mixing of
485 C momentum laterally ( m^2/s )
486 C viscAhW :: Eddy viscosity coeff. for mixing of vertical
487 C momentum laterally, no effect for hydrostatic
488 C model, defaults to viscAh if unset ( m^2/s )
489 C viscAr :: Eddy viscosity coeff. for mixing of
490 C momentum vertically ( units of r^2/s )
491 C viscA4 :: Biharmonic viscosity coeff. for mixing of
492 C momentum laterally ( m^4/s )
493 C viscA4W :: Biharmonic viscosity coeff. for mixing of vertical
494 C momentum laterally, no effect for hydrostatic
495 C model, defaults to viscA4 if unset ( m^2/s )
496 C viscAhD :: Eddy viscosity coeff. for mixing of momentum laterally
497 C (act on Divergence part) ( m^2/s )
498 C viscAhZ :: Eddy viscosity coeff. for mixing of momentum laterally
499 C (act on Vorticity part) ( m^2/s )
500 C viscA4D :: Biharmonic viscosity coeff. for mixing of momentum laterally
501 C (act on Divergence part) ( m^4/s )
502 C viscA4Z :: Biharmonic viscosity coeff. for mixing of momentum laterally
503 C (act on Vorticity part) ( m^4/s )
504 C viscC2leith :: Leith non-dimensional viscosity factor (grad(vort))
505 C viscC2leithD :: Modified Leith non-dimensional visc. factor (grad(div))
506 C viscC2smag :: Smagorinsky non-dimensional viscosity factor (harmonic)
507 C viscC4smag :: Smagorinsky non-dimensional viscosity factor (biharmonic)
508 C viscAhMax :: Maximum eddy viscosity coeff. for mixing of
509 C momentum laterally ( m^2/s )
510 C viscAhReMax :: Maximum gridscale Reynolds number for eddy viscosity
511 C coeff. for mixing of momentum laterally (non-dim)
512 C viscAhGridMax:: maximum and minimum harmonic viscosity coefficients ...
513 C viscAhGridMin:: in terms of non-dimensional grid-size dependent visc.
514 C viscA4Max :: Maximum biharmonic viscosity coeff. for mixing of
515 C momentum laterally ( m^4/s )
516 C viscA4ReMax :: Maximum Gridscale Reynolds number for
517 C biharmonic viscosity coeff. momentum laterally (non-dim)
518 C viscAhGrid:: non-dimensional grid-size dependent viscosity
519 C viscA4Grid:: non-dimensional grid-size dependent bi-harmonic viscosity
520 C viscA4GridMax:: maximum and minimum biharmonic viscosity coefficients ...
521 C viscA4GridMin:: in terms of non-dimensional grid-size dependent viscosity
522 C viscC4leith :: Leith non-dimensional viscosity factor (grad(vort))
523 C viscC4leithD :: Modified Leith non-dimensional viscosity factor (grad(div))
524 C diffKhT :: Laplacian diffusion coeff. for mixing of
525 C heat laterally ( m^2/s )
526 C diffKrNrT :: vertical profile of Laplacian diffusion coeff.
527 C for mixing of heat vertically ( units of r^2/s )
528 C diffK4T :: Biharmonic diffusion coeff. for mixing of
529 C heat laterally ( m^4/s )
530 C diffKhS :: Laplacian diffusion coeff. for mixing of
531 C salt laterally ( m^2/s )
532 C diffKrNrS :: vertical profile of Laplacian diffusion coeff.
533 C for mixing of salt vertically ( units of r^2/s ),
534 C diffK4S :: Biharmonic diffusion coeff. for mixing of
535 C salt laterally ( m^4/s )
536 C diffKrBL79surf :: T/S surface diffusivity (m^2/s) Bryan and Lewis, 1979
537 C diffKrBL79deep :: T/S deep diffusivity (m^2/s) Bryan and Lewis, 1979
538 C diffKrBL79scl :: depth scale for arctan fn (m) Bryan and Lewis, 1979
539 C diffKrBL79Ho :: depth offset for arctan fn (m) Bryan and Lewis, 1979
540 C deltaT :: Default timestep ( s )
541 C deltaTClock :: Timestep used as model "clock". This determines the
542 C IO frequencies and is used in tagging output. It can
543 C be totally different to the dynamical time. Typically
544 C it will be the deep-water timestep for accelerated runs.
545 C Frequency of checkpointing and dumping of the model state
546 C are referenced to this clock. ( s )
547 C deltaTMom :: Timestep for momemtum equations ( s )
548 C dTtracerLev :: Timestep for tracer equations ( s ), function of level k
549 C deltaTfreesurf :: Timestep for free-surface equation ( s )
550 C freesurfFac :: Parameter to turn implicit free surface term on or off
551 C freesurfac = 1. uses implicit free surface
552 C freesurfac = 0. uses rigid lid
553 C abEps :: Adams-Bashforth-2 stabilizing weight
554 C alph_AB :: Adams-Bashforth-3 primary factor
555 C beta_AB :: Adams-Bashforth-3 secondary factor
556 C implicSurfPress :: parameter of the Crank-Nickelson time stepping :
557 C Implicit part of Surface Pressure Gradient ( 0-1 )
558 C implicDiv2Dflow :: parameter of the Crank-Nickelson time stepping :
559 C Implicit part of barotropic flow Divergence ( 0-1 )
560 C hFacMin :: Minimum fraction size of a cell (affects hFacC etc...)
561 C hFacMinDz :: Minimum dimesional size of a cell (affects hFacC etc..., m)
562 C hFacMinDp :: Minimum dimesional size of a cell (affects hFacC etc..., Pa)
563 C hFacMinDr :: Minimum dimesional size of a cell (affects hFacC etc..., units of r)
564 C hFacInf :: Threshold (inf and sup) for fraction size of surface cell
565 C hFacSup that control vanishing and creating levels
566 C tauCD :: CD scheme coupling timescale ( 1/s )
567 C rCD :: CD scheme normalised coupling parameter ( 0-1 )
568 C baseTime :: model base time (time origin) = time @ iteration zero
569 C startTime :: Starting time for this integration ( s ).
570 C endTime :: Ending time for this integration ( s ).
571 C chkPtFreq :: Frequency of rolling check pointing ( s ).
572 C pChkPtFreq :: Frequency of permanent check pointing ( s ).
573 C dumpFreq :: Frequency with which model state is written to
574 C post-processing files ( s ).
575 C diagFreq :: Frequency with which model writes diagnostic output
576 C of intermediate quantities.
577 C afFacMom :: Advection of momentum term tracer parameter
578 C vfFacMom :: Momentum viscosity tracer parameter
579 C pfFacMom :: Momentum pressure forcing tracer parameter
580 C cfFacMom :: Coriolis term tracer parameter
581 C foFacMom :: Momentum forcing tracer parameter
582 C mtFacMom :: Metric terms tracer parameter
583 C cosPower :: Power of cosine of latitude to multiply viscosity
584 C cAdjFreq :: Frequency of convective adjustment
585 C
586 C taveFreq :: Frequency with which time-averaged model state
587 C is written to post-processing files ( s ).
588 C tave_lastIter :: (for state variable only) fraction of the last time
589 C step (of each taveFreq period) put in the time average.
590 C (fraction for 1rst iter = 1 - tave_lastIter)
591 C tauThetaClimRelax :: Relaxation to climatology time scale ( s ).
592 C tauSaltClimRelax :: Relaxation to climatology time scale ( s ).
593 C latBandClimRelax :: latitude band where Relaxation to Clim. is applied,
594 C i.e. where |yC| <= latBandClimRelax
595 C externForcingPeriod :: Is the period of which forcing varies (eg. 1 month)
596 C externForcingCycle :: Is the repeat time of the forcing (eg. 1 year)
597 C (note: externForcingCycle must be an integer
598 C number times externForcingPeriod)
599 C convertFW2Salt :: salinity, used to convert Fresh-Water Flux to Salt Flux
600 C (use model surface (local) value if set to -1)
601 C temp_EvPrRn :: temperature of Rain & Evap.
602 C salt_EvPrRn :: salinity of Rain & Evap.
603 C (notes: a) tracer content of Rain/Evap only used if both
604 C NonLin_FrSurf & useRealFreshWater are set.
605 C b) use model surface (local) value if set to UNSET_RL)
606 C horiVertRatio :: Ratio on units in vertical to units in horizontal.
607 C recip_horiVertRatio ( 1 if horiz in m and vertical in m ).
608 C ( g*rho if horiz in m and vertical in Pa ).
609 C Ro_SeaLevel :: standard position of Sea-Level in "R" coordinate, used as
610 C starting value (k=1) for vertical coordinate (rf(1)=Ro_SeaLevel)
611 C sideDragFactor :: side-drag scaling factor (used only if no_slip_sides)
612 C (default=2: full drag ; =1: gives half-slip BC)
613 C bottomDragLinear :: Drag coefficient built in to core dynamics
614 C bottomDragQuadratic ( linear: 1/s, quadratic: 1/m )
615 C nh_Am2 :: scales the non-hydrostatic terms and changes internal scales
616 C (i.e. allows convection at different Rayleigh numbers)
617 COMMON /PARM_R/ cg2dTargetResidual, cg2dTargetResWunit,
618 & cg2dpcOffDFac, cg3dTargetResidual,
619 & delR, delRc, delX, delY,
620 & deltaT, deltaTmom, dTtracerLev, deltaTfreesurf, deltaTClock,
621 & abEps, alph_AB, beta_AB,
622 & phiMin, thetaMin, rSphere, recip_RSphere, f0, beta,
623 & viscAh, viscAhW, viscAhMax,
624 & viscAhGrid, viscAhGridMax, viscAhGridMin,
625 & viscC2leith, viscC2leithD,
626 & viscC2smag, viscC4smag,
627 & viscAhD, viscAhZ, viscA4D, viscA4Z,
628 & viscA4, viscA4W,
629 & viscA4Max, viscA4Grid, viscA4GridMax, viscA4GridMin,
630 & viscAhRemax, viscA4Remax,
631 & viscC4leith, viscC4leithD, viscAr,
632 & diffKhT, diffK4T, diffKrNrT,
633 & diffKhS, diffK4S, diffKrNrS,
634 & diffKrBL79surf, diffKrBL79deep, diffKrBL79scl, diffKrBL79Ho,
635 & delT, tauCD, rCD, freeSurfFac, implicSurfPress, implicDiv2Dflow,
636 & hFacMin, hFacMinDz, hFacInf, hFacSup,
637 & gravity, recip_Gravity, gBaro, rhonil, recip_rhonil,
638 & recip_rhoConst, rhoConst,
639 & rhoConstFresh, convertEmP2rUnit, tRef, sRef, phiRef, dBdrRef,
640 & baseTime, startTime, endTime,
641 & chkPtFreq, pchkPtFreq, dumpFreq, adjDumpFreq,
642 & diagFreq, taveFreq, tave_lastIter, monitorFreq, adjMonitorFreq,
643 & afFacMom, vfFacMom, pfFacMom, cfFacMom, foFacMom, mtFacMom,
644 & cosPower, cAdjFreq, omega, rotationPeriod,
645 & tauThetaClimRelax, tauSaltClimRelax,
646 & tauTr1ClimRelax, lambdaTr1ClimRelax, latBandClimRelax,
647 & externForcingCycle, externForcingPeriod,
648 & convertFW2Salt, temp_EvPrRn, salt_EvPrRn,
649 & hFacMinDr, hFacMinDp,
650 & horiVertRatio, recip_horiVertRatio,
651 & ivdc_kappa, Ro_SeaLevel,
652 & sideDragFactor, bottomDragLinear, bottomDragQuadratic, nh_Am2,
653 & tCylIn, tCylOut
654
655 _RL cg2dTargetResidual
656 _RL cg2dTargetResWunit
657 _RL cg3dTargetResidual
658 _RL cg2dpcOffDFac
659 _RL delR(Nr)
660 _RL delRc(Nr+1)
661 _RL delX(Nx)
662 _RL delY(Ny)
663 _RL deltaT
664 _RL deltaTClock
665 _RL deltaTmom
666 _RL dTtracerLev(Nr)
667 _RL deltaTfreesurf
668 _RL abEps, alph_AB, beta_AB
669 _RL phiMin
670 _RL thetaMin
671 _RL rSphere
672 _RL recip_RSphere
673 _RL f0
674 _RL freeSurfFac
675 _RL implicSurfPress
676 _RL implicDiv2Dflow
677 _RL hFacMin
678 _RL hFacMinDz
679 _RL hFacMinDp
680 _RL hFacMinDr
681 _RL hFacInf
682 _RL hFacSup
683 _RL beta
684 _RL viscAh
685 _RL viscAhW
686 _RL viscAhD
687 _RL viscAhZ
688 _RL viscAhMax
689 _RL viscAhReMax
690 _RL viscAhGrid
691 _RL viscAhGridMax
692 _RL viscAhGridMin
693 _RL viscC2leith
694 _RL viscC2leithD
695 _RL viscC2smag
696 _RL viscC4smag
697 _RL viscAr
698 _RL viscA4
699 _RL viscA4W
700 _RL viscA4D
701 _RL viscA4Z
702 _RL viscA4Max
703 _RL viscA4ReMax
704 _RL viscA4Grid, viscA4GridMax, viscA4GridMin
705 _RL viscC4leith
706 _RL viscC4leithD
707 _RL diffKhT
708 _RL diffKrNrT(Nr)
709 _RL diffK4T
710 _RL diffKhS
711 _RL diffKrNrS(Nr)
712 _RL diffK4S
713 _RL diffKrBL79surf
714 _RL diffKrBL79deep
715 _RL diffKrBL79scl
716 _RL diffKrBL79Ho
717 _RL delt
718 _RL tauCD
719 _RL rCD
720 _RL gravity
721 _RL recip_gravity
722 _RL gBaro
723 _RL rhonil
724 _RL recip_rhonil
725 _RL rhoConst
726 _RL recip_rhoConst
727 _RL rhoConstFresh
728 _RL convertEmP2rUnit
729 _RL tRef(Nr)
730 _RL sRef(Nr)
731 _RL phiRef(2*Nr+1)
732 _RL dBdrRef(Nr)
733 _RL baseTime
734 _RL startTime
735 _RL endTime
736 _RL chkPtFreq
737 _RL pChkPtFreq
738 _RL dumpFreq
739 _RL adjDumpFreq
740 _RL diagFreq
741 _RL taveFreq
742 _RL tave_lastIter
743 _RL monitorFreq
744 _RL adjMonitorFreq
745 _RL afFacMom
746 _RL vfFacMom
747 _RL pfFacMom
748 _RL cfFacMom
749 _RL foFacMom
750 _RL mTFacMom
751 _RL cosPower
752 _RL cAdjFreq
753 _RL omega
754 _RL rotationPeriod
755 _RL tauThetaClimRelax
756 _RL tauSaltClimRelax
757 _RL tauTr1ClimRelax
758 _RL lambdaTr1ClimRelax
759 _RL latBandClimRelax
760 _RL externForcingCycle
761 _RL externForcingPeriod
762 _RL convertFW2Salt
763 _RL temp_EvPrRn
764 _RL salt_EvPrRn
765 _RL horiVertRatio
766 _RL recip_horiVertRatio
767 _RL ivdc_kappa
768 _RL Ro_SeaLevel
769 _RL sideDragFactor
770 _RL bottomDragLinear
771 _RL bottomDragQuadratic
772 _RL nh_Am2
773 _RL tCylIn
774 _RL tCylOut
775
776 C-- COMMON /PARM_A/ Thermodynamics constants ?
777 COMMON /PARM_A/ HeatCapacity_Cp,recip_Cp
778 _RL HeatCapacity_Cp
779 _RL recip_Cp
780
781 C-- COMMON /PARM_ATM/ Atmospheric physical parameters (Ideal Gas EOS, ...)
782 C celsius2K :: convert centigrade (Celsius) degree to Kelvin
783 C atm_Po :: standard reference pressure
784 C atm_Cp :: specific heat (Cp) of the (dry) air at constant pressure
785 C atm_Rd :: gas constant for dry air
786 C atm_kappa :: kappa = R/Cp (R: constant of Ideal Gas EOS)
787 C atm_Rq :: water vapour specific volume anomaly relative to dry air
788 C (e.g. typical value = (29/18 -1) 10^-3 with q [g/kg])
789 C integr_GeoPot :: option to select the way we integrate the geopotential
790 C (still a subject of discussions ...)
791 C selectFindRoSurf :: select the way surf. ref. pressure (=Ro_surf) is
792 C derived from the orography. Implemented: 0,1 (see INI_P_GROUND)
793 COMMON /PARM_ATM/
794 & celsius2K,
795 & atm_Cp, atm_Rd, atm_kappa, atm_Rq, atm_Po,
796 & integr_GeoPot, selectFindRoSurf
797 _RL celsius2K
798 _RL atm_Po, atm_Cp, atm_Rd, atm_kappa, atm_Rq
799 INTEGER integr_GeoPot, selectFindRoSurf
800
801 C Logical flags for selecting packages
802 LOGICAL useOPPS
803 LOGICAL usePP81
804 LOGICAL useMY82
805 LOGICAL useGGL90
806 LOGICAL useKPP
807 LOGICAL useGMRedi
808 LOGICAL useOBCS
809 LOGICAL useAIM
810 LOGICAL useLand
811 LOGICAL useGrdchk
812 LOGICAL useECCO
813 LOGICAL useSHAP_FILT
814 LOGICAL useZONAL_FILT
815 LOGICAL useFLT
816 LOGICAL usePTRACERS
817 LOGICAL useGCHEM
818 LOGICAL useRBCS
819 LOGICAL useSBO
820 LOGICAL useSEAICE
821 LOGICAL useShelfIce
822 LOGICAL useBulkForce
823 LOGICAL useThSIce
824 LOGICAL usefizhi
825 LOGICAL usegridalt
826 LOGICAL useDiagnostics
827 LOGICAL useEBM
828 LOGICAL useMNC
829 LOGICAL useMATRIX
830 LOGICAL useRunClock
831 LOGICAL useEMBED_FILES
832 COMMON /PARM_PACKAGES/
833 & useKPP, useGMRedi, useOBCS, useAIM, useLand, useECCO,
834 & useSHAP_FILT, useZONAL_FILT, useGrdchk, useFLT,
835 & usePTRACERS, useGCHEM, useRBCS,
836 & useSBO, useSEAICE, useShelfIce, useThSIce, useBulkForce,
837 & usefizhi, usegridalt, useDiagnostics, useEBM, useMNC,
838 & usePP81, useMY82, useOPPS, useGGL90, useMATRIX,
839 & useRunClock, useEMBED_FILES
840
841 CEH3 ;;; Local Variables: ***
842 CEH3 ;;; mode:fortran ***
843 CEH3 ;;; End: ***

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