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revision 1.93 by mlosch, Fri Nov 1 22:00:32 2002 UTC revision 1.164 by heimbach, Fri Jun 20 15:11:40 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint50h_post
7    o new package "land": provide surface BC for AIM.
8    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
9    o AIM: use true log-P extrapolation for near surface temp (= as in
10        F.Molteni paper) ; update aim.5l_cs output.
11    o New variable in PARM03 for more flexible pickups
12    o somewhat cleaned package initialisation sequence for
13      ctrl/ cost/ ecco/ in packages_... routines
14    
15    checkpoint50g_post
16    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
17      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
18      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
19        made the default because of faster convergence than ADI
20    
21    checkpoint50f_post
22    o exf totally restructured
23      - replaced all exf_set_ routines by one generic exf_set_gen.F
24        and made sure it's still differentiable
25      - split exf_getffields.F into new exf_bulkformulae.F
26      - exf_inscal_/exf_outscal_ suffixes consistent with field names
27      - updated adjoint/makefile and relevant verif. accordingly
28    
29    checkpoint50f_pre
30     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
31          + change Evap over land. (update aim.5l_cs output)
32     o added missing .cvsignores and made uniform across expts
33     o changed configuration of tidal_basin_2d expt
34     o added pkg/debug functions for tracing code in fatal crashes
35     o tidied pkg/monitor to use MONITOR_OPTIONS.h
36     o new fn in pkg/monitor to stop model if solution grows too big
37     o removed lots of single quotes from comments
38    
39    checkpoint50e_post
40    o make KPP work with PTRACERS
41     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
42       nearly a copy of kpp_transport_s
43     - there is no analogue to SurfaceTendencyS, so I have to use
44       gPtr(of the surface layer) instead
45    o add a new platform SunFire+mpi (SunFire 15000) to genmake
46    checkpoint50e_pre
47    
48    checkpoint50d_post
49    o change kpp output from multiple-record state files to single-record state
50      files analogous to write_state.F
51    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
52      analogous to the cg2d-related output.
53    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
54      so that writing to internal file fn (with length 512) fails.
55    checkpoint50d_pre
56    
57    checkpoint50c_post
58    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
59    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
60    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
61    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
62    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
63    
64    checkpoint50c_pre
65    Merging from release1_p13:
66    o bug fix for pkg/seaice dynamic solver
67    o Added SEAICE_initialHEFF to pkg/seaice
68    
69    checkpoint50b_post
70    o store u*,v* in gU,V instead of in guNm1,gvNm1
71    o in order to put the momForcing out of the Adams-Bashforth:
72      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
73      to timestep.F
74    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
75    o re-generate output for highly sensitive test-exp:
76       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
77    
78    checkpoint50b_pre
79    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
80    o corrected CPP option mismatch in exf_Bulk... functions for case
81      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
82    
83    checkpoint50a_post
84    o Bug fix for merging between c50 and KPP.
85      ikey was passed from thermodynamics to kpp_calc via
86      common block rather than being recomputed in kpp_calc,
87      in contradiction with new key itdkey.
88      New key ikppkey created, and tamc.h headers updated.
89    
90    checkpoint50
91    - 2nd step of merge with ecco-branch:
92      merge changes in ecco-branch back into main trunk
93    - bug fix in find_alpha
94    - more storing in gmredi_calc_tensor.F, kpp_routines.F
95    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
96    - merged some sliced AD support routines
97    
98    checkpoint49
99    merged from ecco-branch:
100    o exf:
101      - Enable initialisation of forcing fields to constant
102        (runtime) values.
103      - in exf_getffields.F
104        Reduce i-/j-loop to interior domain, discarding overlaps.
105        That also fixes wrong TAF-key computations for key_1, key_2
106        with bulf formulae.
107      - exf_init.F modify #ifdef for exf_init_evap
108      - exf_getffieldrec.F, ctrl_getrec.F
109        The following INT-usages are not safe:
110          fldsecs  = int(fldsecs/fldperiod)*fldperiod
111          fldcount = int(fldsecs/fldperiod) + 1
112        and were modified.
113    o autodiff: checkpoint_lev...
114      - updated storing for bulk formulae (some arrays were missing)
115      - added state for seaice package
116      - synchronized with main branch
117    o DIVA:
118      Modif.s in
119      - the_main_loop.F
120      - the_model_main.F
121      and added cost_final_restore.F cost_final_store.F
122      o With these changes, it is possible to fully separate
123        the first forward run to compute the cost function (mdthe_main_loop)
124        and adjoint runs over individual DIVA intervals (adthe_main_loop)
125        into separate model executions.
126        This enables better tuning of DIVA to given queue sizes.
127      o Loss of cost function value in consecutive DIVA runs is
128        fixed by storing to 'costfinal' file.
129      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
130        beginning/end of adjoint integration is accounted for.
131      The current changes apply to TAF-1.4.26.
132      TAF has one remaining bug, requiring one manual change
133      (see MITgcm manual).
134    o cal: synchronized between MAIN and ecco-branch
135    
136    checkpoint48i_post
137    o Changes to restore differentiability of code w.r.t. previous tag
138      (mostly adding new routines to make list and replacing
139      pressure by totPhiHyd).
140    o Updated and merged grdchk package
141      - has both ADM and TLM checks
142      - works for single- and multi-proc.
143      - output cleaned
144      - worked successfully for parallel DIVA
145    o genmake:
146      - Adding -platform=SP4
147      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
148    o Modif. for DIVA:
149      ctrl_unpack should not be called in intermediate DIVA interval.
150      (similar thing would apply for active files such as
151      tbar, sbar, psbar, which should not be reinitialised;
152      only relevant for ecco-branch)
153    
154    checkpoint48h_post
155    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
156    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
157    o Added SEAICE_initialHEFF to pkg/seaice
158    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
159    
160    checkpoint48g_post
161    --- EOS:
162    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
163      store total Potential in totPhyHyd for diagnostics & EOS.
164    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
165    --- Pressure/geopotential gradient:
166    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
167    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
168      ( changes results of global_ocean_pressure )
169    o NLFS + z-coord.: add eta*Rho' contribution.
170    o accurate phiHyd when using interface-W at the middle between 2 centers
171     ( changes results of ideal_2D_oce )
172    o includes r* 2nd term in potential gradient.
173    
174    checkpoint48f_post
175    Merging from release1_p12:
176    o Modifications for using pkg/exf with pkg/seaice
177      - improved description of the various forcing configurations
178      - added basic radiation bulk formulae to pkg/exf
179      - units/sign fix for evap computation in exf_getffields.F
180      - updated verification/global_with_exf/results/output.txt
181    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
182      (SBO) core products, including oceanic mass, center-of-mass,
183      angular, and bottom pressure (see pkg/sbo/README.sbo).
184    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
185      to avoid negative values in shallow regions.
186      - updated verification/natl_box/results/output.txt
187      - updated verification/lab_sea/results/output.txt
188    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
189    o Added useSingleCpuIO option (see PARAMS.h).
190    o Updated useSingleCpuIO option in mdsio_writefield.F to
191      work with multi-field files, e.g., for single-file pickup.
192    o pkg/seaice:
193      - bug fix in growth.F: QNET for no shortwave case
194      - added HeffFile for specifying initial sea-ice thickness
195      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
196    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
197      kpp_transport_t.F, forward_step.F, and the_main_loop.F
198    o pkg/seaice:
199      - adjoint-friendly modifications
200      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
201    
202    checkpoint48e_post
203    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
204    o dynamics: change definition of computational domain & adapt mom_fluxform
205      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
206    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
207        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
208        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
209        global_ocean.90x40x15 global_with_exf global_ocean_pressure
210        inverted_barometer solid-body.cs-32x32x1
211      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
212    
213    checkpoint48d_post
214    o in preparation for r*:
215     a) use pre-computed gradient of hydrostatic potential:
216        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
217     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
218        => affects results of glob_oce_pressure (different truncation error)  
219      update output.txt of ideal_2D_oce & global_ocean_pressure
220    
221    checkpoint48d_pre
222    o in preparation for r*:
223      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
224      pass the 2 comp. of the grad. as arguments to momentum S/R.
225      but for the moment, only used if it does not change the results.
226    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
227    
228    checkpoint48c_post
229    Modifications in treatment of initial flux forcing controls
230    to avoid extra storing of flux fields.
231    
232    checkpoint48c_pre
233    o Added tidal_basin_2d experiment (currently 1D!)
234    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
235    
236    checkpoint48b_post
237    o r* coordinate added in #ifdef NONLIN_FRSURF block.
238     (modification to pressure gradient not yet implemented)
239    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
240      (for U & V) that are used for vertical advection of momentum.
241    
242    checkpoint48a_post
243    o In preparation for r*, use temp. array to compute vertical transport
244       in flux-form momentum pkg. => change results of few test-exp.
245      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
246                        lab_sea, natl_box & plume_on_slope
247    
248    checkpoint48
249    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
250    
251    checkpoint47j_post
252    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
253    o moved adexch from forward_step to addummy_in_stepping
254    o added exch in ctrl_map_...
255    o aveFreq.=0. at end of cost_final to avoid overwrite in
256      reverse checkpointing loop
257    o Yet more changes in gmredi:
258      * adgmredi_calc_tensor
259        avoiding all recomputation of gmredi_slope_limit
260      * adgmredi_x/y/rtransport
261        added flag for excessive storing to avoid recomp. of
262        u/v/rtans, dTdx/y/z
263        -> this is not really necessary and very memory-consuming
264      * adgmredi_slope_psi:
265        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
266      * gmredi_slope_limit
267        re-activated full calculation of taperfct for case 'ac02'
268    o updating verification/ adjoints of carbon, global_ocean.90x40x15
269    
270    checkpoint47i_post
271    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
272    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
273      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
274    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
275    o gmredi: fix few bugs.
276    
277    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
278    This will be a good checkpoint to plug into the ecco-branch.
279    o few modif.'s to get latest version adjointed
280      (mainly kick out code in ini_linear_phisurf)
281    o modif's to run adjoint with exactConserv
282    o case GM_BOLUS_ADVEC should be cleaned
283      S/R gmredi_slope_psi should be cleaned
284    o verification/carbon now has exactConserv=.TRUE.
285    
286    checkpoint47g_post
287    o time-average AIM output: becomes independent from statvars time-average
288      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
289    o After TAF bug fix:
290      Tested adjoint of gmredi package.
291      Tests were done with checkpoint47 rather than with latest
292      checkpoint47f_post since the latter is broken for the adjoint
293      verification/carbon/ contains both ADM and TLM gradient checks.
294    Here they are, before they get changed/lost/stolen.
295    Mostly modif.'s to fix numerical sensitivities.
296    Gradient checks OK for
297    - GM_taper_scheme:
298      * clipping
299      * ac02
300      * linear
301      * glw91
302      * dm95
303      * ldd97
304    - GMREDI_OPTIONS:
305      * GM_VISBECK_VARIABLE_K
306      * GM_NON_UNITY_DIAGONAL
307      * GM_EXTRA_DIAGONAL
308      * GM_BOLUS_ADVEC
309    in conjunction with data.gmredi parameters to be checked in
310    in a few minutes under verification/carbon/code/
311    
312    checkpoint47f_post
313    Merging from release1_p10:
314    o modifications for using pkg/exf with pkg/seaice
315      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
316        and SEAICE_EXTERNAL_FLUXES
317      - pkg/exf CPP options EXF_READ_EVAP and
318        EXF_NO_BULK_COMPUTATIONS
319      - usage examples are Experiments 8 and 9 in
320        verification/lab_sea/README
321      - verification/lab_sea default experiment now uses
322        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
323    
324    checkpoint47e_post
325    o created a tag prior to creating a branch
326    
327    checkpoint47d_post
328    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
329      at the bottom boundary had an erroneous half slip boundary condition
330    o added bottom drag and no slip boundary condition capabilities to
331      oceanic pressure coordinates code
332    o added new verification experiment global_ocean_pressure, this experiment is
333      also described in the tutorial section of the manual
334    checkpoint47d_pre
335    
336    checkpoint47c_post
337    o Added a verification experiment for a global cubed-sphere ocean run
338      -  verification/global_ocean.cubed32x32x30
339      -  uses pkg/therm_seaice and pkg/bulk_forcing
340    
341    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
342    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
343      when using P-coordinate; only implemented for atmospheric config.
344    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
345      NOTES: requires option NONLIN_FRSURF to be "#define".
346    o update advect_xz/results/output.txt (left from checkpoint44g_post)
347    
348    checkpoint47b_post
349    Merging from release1_p9:
350    o pkg/seaice
351      - removed GOTO's and added taf directives
352      - double precision constants to reduce the g77 (Linux)
353        to F77 (SGI) differences reported in release1_p8
354    o tools/genmake
355      - added SGI options
356    o verification/testscript
357      - updated to that of checkpoint47a_post
358    o verification/global_ocean.90x40x15/input/eedata
359      - modified for SGI f77 compatibility
360    o verification/lab_sea
361      - added description of sea-ice model
362      - added missing matlab routines
363      - added test of thermodynamics parallelization
364    
365    checkpoint47a_post
366    o new pkg: aim_v23
367     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
368       for now, keep the same surface forcing as before.
369     - Part-Cell implemented into AIM; check that Heat & Water are conserved
370     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
371     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
372    o add diagnostic of surface correction term in monitor output
373    
374    o bulk_force and therm_seaice
375    - Two packages:  bulk_force (Bulk forcing)
376      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
377    - Earlier integration from Stephaine Dutkiewicz
378      and Patrick Heimbach.
379    - Two ifdef statements for compile time,
380       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
381    
382    checkpoint47
383    differentiable version of checkpoint46n_post
384    o bug fix in quasihydrostaticterms
385    o * "clean" adjoint code (in terms of extensive recomputations)
386        can now be obtained for all GMREDI options (i.e. for
387        - GM_VISBECK_VARIABLE_K
388        - GM_NON_UNITY_DIAGONAL
389        - GM_EXTRA_DIAGONAL
390        - GM_BOLUS_ADVEC )
391      * However, wrong gradient check problem remains unsolved.
392      * New CPP options have been introduced for different
393        tapering schemes
394    o external_fields_load now part of differentiation list
395    o pressure needs multiple storing;
396      would be nice to have store_pressure at beginning or
397      end of forward_step, e.g. by having phiHyd global (5-dim.)
398      (NB: pressure is needed for certain cases in find_rho,
399      which is also invoked through convective_adjustment).
400    o recomputations in find_rho for cases
401     'JMD95'/'UNESCO' or 'MDJWF' are OK.
402    o #define ATMOSPHERIC_LOADING should be differentiable
403    o ini_forcing shifted to begining of initialise_varia
404    o Incorporating QNVS line search routines into MITgcm
405      (this is separate code, and therefore not under pkg)
406      lsopt/, optim/
407    o Updated verification/carbon/
408      - #define GM_VISBECK_VARIABLE_K
409      - GM_taper_scheme    = 'ldd97'    
410    
411    checkpoint46n_post
412    Merging from release1_p8:
413    o verification/natl_box:
414      updating new external_fields_load routine
415    o New package: pkg/seaice
416      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
417      The sea-ice code is based on Hibler (1979-1980).
418      Two sea-ice dynamic solvers, ADI and LSR, are included.
419      In addition to computing prognostic sea-ice variables and diagnosing
420      the forcing/external data fields that drive the ocean model,
421      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
422      The implied surface heat flux is then stored in variable
423      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
424      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
425      non-local transport term.  Because this call precedes model
426      thermodynamics, temperature under sea-ice may not be "exactly" at
427      the freezing point by the time theta is dumped or time-averaged.
428      N.B.: fairly large differences in accuracy occur across
429            different platforms/compilers; comparison between
430            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
431            generated output gives:
432       T           S           U           V
433      C D M    c        m  s        m  s        m  s        m  s
434      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
435      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
436      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
437    
438      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
439    o GAD:
440      - generated new common blocks to account for call of
441        same gad routines with differing traceridentities
442        (needed to modify tracerIdentity indices in GAD.h)
443      - generated separate common blocks for case useCubedSphereExchange
444        (Department of Futurology)
445      - parameter lists to gmredi_?transport: added tracerIdentity
446      - added new key indices to tamc.h
447    o external_fields_load:
448      - added this routine to TAF list
449      - needed to make some common blocks global and additional storing
450        along the same lines as exf package (checkpoint_lev?_directives.h)
451    o exf:
452      updated external forcing package
453      - bug fixes carried over from ecco-branch
454        (missing OBCS_OPTIONS.h in two routines)
455      - enable easy to use "no forcing".
456      - added exf I/O for atmospheric loading
457      - added exf I/O for runoff data
458      - transfered scaling between exf <-> MITgcm to exf namelist
459    o Adding new verification experiment global_with_exf.
460      This verification experiment is almost identical to the
461      global_ocean.90x40x15 experiment, except that it uses
462      the exf (and cal) package instead of the
463      external_fields_load routine (cf README file).
464    
465    checkpoint46m_post
466    o modified testscript to return -- when there are no lines of "%MON" output
467    o added new flag "quasiHydrostatic" for QH mode
468      and new routine quasihydrostaticterms()
469    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
470      New routine: mom_u_coriolis_nh()
471    o fixed sign of non-hydrostatic metric terms in u and v equations.
472      Depend on correct sign of gravitySign.
473    o added work.pc* to .cvsignore in aim directories using ifc
474    o introduced flag for controllin non-hydrostatic metric terms
475    o removed gravitySign from PARM04
476    o switched to g77/ifc from pgf77 in aim experiments
477    
478  checkpoint46l_post  checkpoint46l_post
479  o made convective adjustment work with pressure coordinates:  o made convective adjustment work with pressure coordinates:
480   - changed the direction of k-loop in convective_adjustment.F for the   - changed the direction of k-loop in convective_adjustment.F for the

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