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revision 1.57 by jmc, Thu Jan 31 14:53:22 2002 UTC revision 1.118 by adcroft, Mon Jan 13 14:31:49 2003 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o gmredi: fix few bugs and restore parameter values (e.g., Small_Number=1.D-12)
6      and scheme (e.g., Large_SlopeSqr=1.D+48) of checkpoint47f_post
7    
8    checkpoint48
9    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
10    This will be a good checkpoint to plug into the ecco-branch.
11    o few modif.'s to get latest version adjointed
12      (mainly kick out code in ini_linear_phisurf)
13    o modif's to run adjoint with exactConserv
14    o case GM_BOLUS_ADVEC should be cleaned
15      S/R gmredi_slope_psi should be cleaned
16    o verification/carbon now has exactConserv=.TRUE.
17    
18    checkpoint47g_post
19    o time-average AIM output: becomes independent from statvars time-average
20      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
21    o After TAF bug fix:
22      Tested adjoint of gmredi package.
23      Tests were done with checkpoint47 rather than with latest
24      checkpoint47f_post since the latter is broken for the adjoint
25      verification/carbon/ contains both ADM and TLM gradient checks.
26    Here they are, before they get changed/lost/stolen.
27    Mostly modif.'s to fix numerical sensitivities.
28    Gradient checks OK for
29    - GM_taper_scheme:
30      * clipping
31      * ac02
32      * linear
33      * glw91
34      * dm95
35      * ldd97
36    - GMREDI_OPTIONS:
37      * GM_VISBECK_VARIABLE_K
38      * GM_NON_UNITY_DIAGONAL
39      * GM_EXTRA_DIAGONAL
40      * GM_BOLUS_ADVEC
41    in conjunction with data.gmredi parameters to be checked in
42    in a few minutes under verification/carbon/code/
43    
44    checkpoint47f_post
45    Merging from release1_p10:
46    o modifications for using pkg/exf with pkg/seaice
47      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
48        and SEAICE_EXTERNAL_FLUXES
49      - pkg/exf CPP options EXF_READ_EVAP and
50        EXF_NO_BULK_COMPUTATIONS
51      - usage examples are Experiments 8 and 9 in
52        verification/lab_sea/README
53      - verification/lab_sea default experiment now uses
54        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
55    
56    checkpoint47e_post
57    o created a tag prior to creating a branch
58    
59    checkpoint47d_post
60    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
61      at the bottom boundary had an erroneous half slip boundary condition
62    o added bottom drag and no slip boundary condition capabilities to
63      oceanic pressure coordinates code
64    o added new verification experiment global_ocean_pressure, this experiment is
65      also described in the tutorial section of the manual
66    checkpoint47d_pre
67    
68    checkpoint47c_post
69    o Added a verification experiment for a global cubed-sphere ocean run
70      -  verification/global_ocean.cubed32x32x30
71      -  uses pkg/therm_seaice and pkg/bulk_forcing
72    
73    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
74    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
75      when using P-coordinate; only implemented for atmospheric config.
76    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
77      NOTES: requires option NONLIN_FRSURF to be "#define".
78    o update advect_xz/results/output.txt (left from checkpoint44g_post)
79    
80    checkpoint47b_post
81    Merging from release1_p9:
82    o pkg/seaice
83      - removed GOTO's and added taf directives
84      - double precision constants to reduce the g77 (Linux)
85        to F77 (SGI) differences reported in release1_p8
86    o tools/genmake
87      - added SGI options
88    o verification/testscript
89      - updated to that of checkpoint47a_post
90    o verification/global_ocean.90x40x15/input/eedata
91      - modified for SGI f77 compatibility
92    o verification/lab_sea
93      - added description of sea-ice model
94      - added missing matlab routines
95      - added test of thermodynamics parallelization
96    
97    checkpoint47a_post
98    o new pkg: aim_v23
99     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
100       for now, keep the same surface forcing as before.
101     - Part-Cell implemented into AIM; check that Heat & Water are conserved
102     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
103     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
104    o add diagnostic of surface correction term in monitor output
105    
106    o bulk_force and therm_seaice
107    - Two packages:  bulk_force (Bulk forcing)
108      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
109    - Earlier integration from Stephaine Dutkiewicz
110      and Patrick Heimbach.
111    - Two ifdef statements for compile time,
112       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
113    
114    checkpoint47
115    differentiable version of checkpoint46n_post
116    o bug fix in quasihydrostaticterms
117    o * "clean" adjoint code (in terms of extensive recomputations)
118        can now be obtained for all GMREDI options (i.e. for
119        - GM_VISBECK_VARIABLE_K
120        - GM_NON_UNITY_DIAGONAL
121        - GM_EXTRA_DIAGONAL
122        - GM_BOLUS_ADVEC )
123      * However, wrong gradient check problem remains unsolved.
124      * New CPP options have been introduced for different
125        tapering schemes
126    o external_fields_load now part of differentiation list
127    o pressure needs multiple storing;
128      would be nice to have store_pressure at beginning or
129      end of forward_step, e.g. by having phiHyd global (5-dim.)
130      (NB: pressure is needed for certain cases in find_rho,
131      which is also invoked through convective_adjustment).
132    o recomputations in find_rho for cases
133     'JMD95'/'UNESCO' or 'MDJWF' are OK.
134    o #define ATMOSPHERIC_LOADING should be differentiable
135    o ini_forcing shifted to begining of initialise_varia
136    o Incorporating QNVS line search routines into MITgcm
137      (this is separate code, and therefore not under pkg)
138      lsopt/, optim/
139    o Updated verification/carbon/
140      - #define GM_VISBECK_VARIABLE_K
141      - GM_taper_scheme    = 'ldd97'    
142    
143    checkpoint46n_post
144    Merging from release1_p8:
145    o verification/natl_box:
146      updating new external_fields_load routine
147    o New package: pkg/seaice
148      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
149      The sea-ice code is based on Hibler (1979-1980).
150      Two sea-ice dynamic solvers, ADI and LSR, are included.
151      In addition to computing prognostic sea-ice variables and diagnosing
152      the forcing/external data fields that drive the ocean model,
153      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
154      The implied surface heat flux is then stored in variable
155      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
156      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
157      non-local transport term.  Because this call precedes model
158      thermodynamics, temperature under sea-ice may not be "exactly" at
159      the freezing point by the time theta is dumped or time-averaged.
160      N.B.: fairly large differences in accuracy occur across
161            different platforms/compilers; comparison between
162            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
163            generated output gives:
164       T           S           U           V
165      C D M    c        m  s        m  s        m  s        m  s
166      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
167      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
168      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
169    
170      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
171    o GAD:
172      - generated new common blocks to account for call of
173        same gad routines with differing traceridentities
174        (needed to modify tracerIdentity indices in GAD.h)
175      - generated separate common blocks for case useCubedSphereExchange
176        (Department of Futurology)
177      - parameter lists to gmredi_?transport: added tracerIdentity
178      - added new key indices to tamc.h
179    o external_fields_load:
180      - added this routine to TAF list
181      - needed to make some common blocks global and additional storing
182        along the same lines as exf package (checkpoint_lev?_directives.h)
183    o exf:
184      updated external forcing package
185      - bug fixes carried over from ecco-branch
186        (missing OBCS_OPTIONS.h in two routines)
187      - enable easy to use "no forcing".
188      - added exf I/O for atmospheric loading
189      - added exf I/O for runoff data
190      - transfered scaling between exf <-> MITgcm to exf namelist
191    o Adding new verification experiment global_with_exf.
192      This verification experiment is almost identical to the
193      global_ocean.90x40x15 experiment, except that it uses
194      the exf (and cal) package instead of the
195      external_fields_load routine (cf README file).
196    
197    checkpoint46m_post
198    o modified testscript to return -- when there are no lines of "%MON" output
199    o added new flag "quasiHydrostatic" for QH mode
200      and new routine quasihydrostaticterms()
201    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
202      New routine: mom_u_coriolis_nh()
203    o fixed sign of non-hydrostatic metric terms in u and v equations.
204      Depend on correct sign of gravitySign.
205    o added work.pc* to .cvsignore in aim directories using ifc
206    o introduced flag for controllin non-hydrostatic metric terms
207    o removed gravitySign from PARM04
208    o switched to g77/ifc from pgf77 in aim experiments
209    
210    checkpoint46l_post
211    o made convective adjustment work with pressure coordinates:
212     - changed the direction of k-loop in convective_adjustment.F for the
213       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
214     - adjusted the reference pressure k-index in convective_adjustment.F
215     - adjusted the convection condition in convect.F (in analogy to
216       calc_ivdc.F)
217     - convective_adjustment no longer computes anything on the halos
218     - removed the warnings about negative salinity from find_rho.F and
219       find_alpha.F; instead the new routine look_for_neg_salinity, called
220       at the beginning of find_rho, find_alpha, and find_beta, does a
221       check of the entire slice, if CPP-option
222       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
223    checkpoint46l_pre
224    
225    checkpoint46k_post
226    o fixed the verification/global_ocean.90x40x15 experiment:
227     - new bathymetry (the world according to A., JMC, and M.)
228     - new initial fields and forcing fields (*.bin files)
229     - new POLY3.COEFFS (for the next release one should switch to a full
230       equation of state: JMD95P or MDJWF)
231     - fixed several errors and redundancies in the data file
232     - experiment uses looped cells
233     - added matlab directory with diagnostic scripts for plotting of output
234    
235    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
236     - read AIM physics parameters from a file (data.aimphys)
237     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
238    
239    checkpoint46j_post
240    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
241    o move wVel computation at the end of the time step, in S/R integr_continuity
242    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
243    o update timeave pkg for wVel diagnostic.
244    checkpoint46j_pre
245    
246    checkpoint46i_post
247    o Clean up AIM package (and keep the results unchanged):
248      include CPP_OPTION and use IMPLICT NONE in all routines ;
249      declare all the variables _RL ; use _d 0 for all numerical constants.
250      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
251    
252    checkpoint46h_post
253    o cleaned up the use of rhoNil and rhoConst.
254      - rhoNil should only appear in the LINEAR equation of state, everywhere
255        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
256        and the dynamical equations are all divided by rhoConst
257    o introduced new parameter rhoConstFresh, a reference density of fresh
258      water, to remove the fresh water flux's dependence on rhoNil. The default
259      value is 999.8 kg/m^3
260    o cleanup up external_forcing.F and external_forcing_surf.F
261      - can now be used by both OCEANIC and OCEANICP
262    checkpoint46h_pre
263    
264     Added code to convert surface volume flux (fresh water) into
265     a mass flux when using P coordinates in the ocean (OCEANICP).
266     Note: It assumes you have set rho0=rhoConst=density of fresh water.
267    
268    checkpoint46g_post
269    o Include a new diagnostic variable phiHydLow for the ocean model
270      - in z-coordinates, it is the bottom pressure anomaly
271      - in p-coordinates, it is the sea surface elevation
272      - in both cases, these variable have global drift, reflecting the mass
273        drift in z-coordinates and the volume drift in p-coordinates
274      - included time averaging for phiHydLow, be aware of the drift!
275    o depth-dependent computation of Bo_surf for pressure coordinates
276      in the ocean (buoyancyRelation='OCEANICP')
277      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
278        Theta, Salinity, and Pressure in the parameter list. This routine is
279        presently contained in find_rho.F. This routine does not give the
280        correct density for 'POLY3', which would be a z-dependent reference
281        density.
282    o cleaned up find_rho
283      - removed obsolete 'eqn' from the parameter list.
284    o added two new verification experiments: gop and goz
285      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
286    checkpoint46g_pre
287    
288    checkpoint46f_post
289    o Enable tangent linear (forward mode) gradient checks:
290      - extended active file handling to g_... files
291      - added TANGENT_SIMULATION to theSimulationMode
292      - extended grdchk package accordingly
293    o added tangent linear setup in verification/carbon/code_ftl
294    o added adjoint setup in verification/front_relax/code_ad
295    
296    checkpoint46e_post
297    o Added new equation of state -> MDJWF
298      - EOS of McDougall et al., 2002, JAOT, submitted
299      - caveat: the equation of state is only valid for a smaller (more
300        realistic?) range of values than JMD95P/Z and UNESCO
301      - added masks to the calculation of pressure in store_pressure
302      - added more check values for density in check_eos (ini_eos.F), some of
303        the old check values are out of the range of the MDJWF-eos, so don't
304        expect perfect matches for those
305    checkpoint46e_pre
306    
307    checkpoint46d_post
308    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
309      'OCEANICP', also initialised field pressure correctly in ini_eos in the
310      case of pressure coordinates. eosType='JMD95Z' in
311      combination with buoyancyRelation='OCEANICP' now causes an error.
312    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
313      in find_alpha/beta.
314    checkpoint46d_pre
315    
316    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
317      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
318    
319    checkpoint46c_post
320    o Changes necessary for ocean in p-coordinates
321     -  Added new buoyancy relation = 'OCEANICP'
322     -  Added new parameters = gravitySign (this used to be contained inside
323        the factor dRdZ which I added when we first switched to R coordinates).
324     X GM/Redi is not compatible (yet)
325     X bottom drag and no-slip need to be debugged.
326    checkpoint46c_pre
327    
328    checkpoint46b_post
329    o Added new equation of state -> JMD95Z and JMD95P
330      - EOS of Jackett and McDougall, 1995, JAOT
331      - moved all EOS parameters into EOS.h
332      - new routines ini_eos.F, store_pressure.F
333    o Added UNESCO EOS, but not recommended because it requires
334      in-situ temperature (see JMD95)
335    o Modified formatting for knudsen2.f in utils/knudsen2 and added
336      unesco.f to be used with POLY3
337    checkpoint46b_pre
338    
339    checkpoint46a_post
340    o Added (atmospheric) pressure loading
341      - new field in FFIELDS.h, etc...
342      - new cpp flag ATMOSPHERIC_LOADING
343    o Changed hFacC to _hFacC in calc_phi_hyd.F
344    o Added SHORTWAVE_HEATING to some files for consistency
345    checkpoint46a_pre
346    
347    checkpoint46
348    further merges from release1_p5
349    o new ctrl package
350      - adopted from ECCO environment to enable optimization
351      - added Eliassen Palm fluxes to controls
352    o added Eliassen Palm flux controls to gradient check package
353    o cost package
354      - Compatible with new ctrl package
355      - added Eliassen Palm cost hooks
356      - modif's of existing cost functions
357    o Adjoint-related bug fixes in kpp:
358      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
359      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
360    o autodiff package
361      - flow directives:
362        + new for S/R do_the_model_io
363        + enhanced for S/R checkpoint
364        + new gmredi.flow
365      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
366        disable adcommon.h/g_common.h by default.
367      - fixed problem for adjoint of global_max
368    o modified verification/carbon/
369    o New setup for adjoint of global_ocean
370    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
371    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
372    o incorporated hooks for sponge layer code (external_forcing.F)
373    
374    checkpoint45d_post
375    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
376    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
377      (affects plume_on_slope "cg2d" output)
378    o add new parameter deltaTfreesurf for free-surface time stepping
379    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
380    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
381    o change phiMin in exp1 (to agree with documentation)
382    o add new flags:
383     - T,S forcing inside/outside Adams-Bashforth
384     - turn off temp,salt advection and/or forcing
385     - for each tracer, define internal flag for multiDimAdvection & A-B
386    o monitor: change definition of KE to check conservation of Energy
387    
388    checkpoint45c_post
389    o Removed f90 comments ("!")
390    o Modified initialisations to enable exf package for MITgcm
391      (without invoking ECCO_PACKAGE).
392    o modifications to gradient check package (Martin Losch)
393      - enable centered differences
394      - modified format of standard output
395    
396    checkpoint45b_post
397    o cleaned exchange calls in cg2d
398    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
399    o included CPP option SINGLE_LAYER_MODE in thermodynamics
400      to configure barotropic setup (Martin Losch)
401    o moved some initialisations within bi,bj loop in dynamics
402      (TAF flow dependency)
403    o in initialise_varia, moved call packages_init_variables
404      before convective_adjustment_init
405      (corresponding adjustment of TAF tape initialisation).
406    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
407    
408    checkpoint45a_post
409    o compute Rho over the whole domain (extend iMin,jMin indices)
410    o specific exchange for X-slice domain (case Ny=1)
411    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
412    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
413    
414    checkpoint44h_post = checkpoint45
415    o Fix to restore differentiability:
416      place at which packages_init_variables is called in
417      initialise_varia is crucial for reverse control flow.
418    o modifications in GMRedi to enable stable adjoint
419      (corresponding modif's in thermodynamics, dynamics)
420    o added missing hook for sponge layer code in external_forcing
421    o modified test cost functions
422    o storing in gad_advection (plus removal of write(0,*)!
423    o missing headers TR1.h added in convective_adjustment routines
424    o errorMessageUnit set non-equal zero in eeboot
425      (conflict on some platforms, e.g. IBM SP3)
426    o modified carbon verif.
427    
428    checkpoint44h_pre
429    o vertical grid option: allow to put the Interface at the middle between
430      2 cell-centers ; replace delZ in pkg/kpp by drF.
431    o GM Advective form: Tracers are advected using the residual transport (=
432      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
433    
434    checkpoint44g_post
435    o fix surface correction term in multiDimAdvection (affects plume_on_slope
436      results) ; ifdef missing in thermodynamics.F
437    
438    checkpoint44f_pre,checkpoint44f_post
439    o added PTRACERS package
440      This allows an arbitrary number of passive tracers to be integrated
441      forward simultaneously with the dynamicaly model.
442      + Implemented so far:
443        - basic forward algorithm (time-stepping, advection, diffusion, convection)
444        - I/O and checkpointing
445        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
446      + Not implemented so far:
447        - KPP
448        - OBCS
449      + No specific example supplied (yet) but global_ocean.90x40x15 has the
450        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
451        line in data.pkg.
452      + This package is disabled by default since it increases storage.
453    
454    
455    o testscript: added -cleanup option
456    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
457                 b) enable to filter 2D fields.
458    
459    checkpoint44e_pre,post
460    o re-wrote convective adjustment to use pre-calculated weights
461      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
462      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
463      Original calls to convect() still in place.
464    
465    chkpt44d_pre,post
466    o added missing EXCLUDE_MONITOR flags
467    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
468      (incompatible typ in MIN/MAX expressions caused problems
469      on IBM SP3)
470    o in genmake added variable MAKEDEPEND
471      plus resetting for case SunOS
472    o added timer_stats.c routine for IBM SP3
473    o removed variables in dynamics
474    !!! I forgot to create tag chkpt44d_pre !!!
475    !!! But chkpt44d_pre = chkpt44c_post    !!!
476    
477    o real fresh water flux implemented with non-linear free-surface.
478    
479    chkpt44c_pre,post
480    o few fix (mask in shap_s2, EmPmR in external_field_load,
481      USE_NATURAL_BCS in solve_for_P);
482    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
483    
484    checkpoint44b_pre/_post
485    o merge of relevant stuff from the ecco-branch:
486      - genmake: removed $S64 overwrite for case SunOS
487      - pkg/exf: update and corrections for field swapping and obcs
488      - pkg/ecco: parameter lists for the_model_main, the_main_loop
489                  harmonized between ECCO and MITgcm
490      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
491                      updated checkpointing_lev... lists for obcs
492      - model/src: minor changes in forward_step, plot_field
493                   added directive for divided adjoint in the_main_loop
494      - pkg/mdsio: added mdsio_gl_slice
495    
 next checkpoint:  
496  o check parameters & config (chkpt44a_pre,post)  o check parameters & config (chkpt44a_pre,post)
497  o OBC and NonLin_FrSurf.  o OBC and NonLin_FrSurf.
498    

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