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revision 1.96 by adcroft, Tue Nov 5 19:15:12 2002 UTC revision 1.156 by adcroft, Thu May 15 16:15:57 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6     o added missing .cvsignores and made uniform across expts
7     o changed configuration of tidal_basin_2d expt
8     o added pkg/debug functions for tracing code in fatal crashes
9     o tidied pkg/monitor to use MONITOR_OPTIONS.h
10     o new fn in pkg/monitor to stop model if solution grows too big
11     o removed lots of single quotes from comments
12     o fixed gather/scatter inital MPI dialogue in ini_procs.F
13    
14    checkpoint50e_post
15    o make KPP work with PTRACERS
16     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
17       nearly a copy of kpp_transport_s
18     - there is no analogue to SurfaceTendencyS, so I have to use
19       gPtr(of the surface layer) instead
20    o add a new platform SunFire+mpi (SunFire 15000) to genmake
21    checkpoint50e_pre
22    
23    checkpoint50d_post
24    o change kpp output from multiple-record state files to single-record state
25      files analogous to write_state.F
26    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
27      analogous to the cg2d-related output.
28    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
29      so that writing to internal file fn (with length 512) fails.
30    checkpoint50d_pre
31    
32    checkpoint50c_post
33    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
34    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
35    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
36    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
37    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
38    
39    checkpoint50c_pre
40    Merging from release1_p13:
41    o bug fix for pkg/seaice dynamic solver
42    o Added SEAICE_initialHEFF to pkg/seaice
43    
44    checkpoint50b_post
45    o store u*,v* in gU,V instead of in guNm1,gvNm1
46    o in order to put the momForcing out of the Adams-Bashforth:
47      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
48      to timestep.F
49    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
50    o re-generate output for highly sensitive test-exp:
51       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
52    
53    checkpoint50b_pre
54    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
55    o corrected CPP option mismatch in exf_Bulk... functions for case
56      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
57    
58    checkpoint50a_post
59    o Bug fix for merging between c50 and KPP.
60      ikey was passed from thermodynamics to kpp_calc via
61      common block rather than being recomputed in kpp_calc,
62      in contradiction with new key itdkey.
63      New key ikppkey created, and tamc.h headers updated.
64    
65    checkpoint50
66    - 2nd step of merge with ecco-branch:
67      merge changes in ecco-branch back into main trunk
68    - bug fix in find_alpha
69    - more storing in gmredi_calc_tensor.F, kpp_routines.F
70    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
71    - merged some sliced AD support routines
72    
73    checkpoint49
74    merged from ecco-branch:
75    o exf:
76      - Enable initialisation of forcing fields to constant
77        (runtime) values.
78      - in exf_getffields.F
79        Reduce i-/j-loop to interior domain, discarding overlaps.
80        That also fixes wrong TAF-key computations for key_1, key_2
81        with bulf formulae.
82      - exf_init.F modify #ifdef for exf_init_evap
83      - exf_getffieldrec.F, ctrl_getrec.F
84        The following INT-usages are not safe:
85          fldsecs  = int(fldsecs/fldperiod)*fldperiod
86          fldcount = int(fldsecs/fldperiod) + 1
87        and were modified.
88    o autodiff: checkpoint_lev...
89      - updated storing for bulk formulae (some arrays were missing)
90      - added state for seaice package
91      - synchronized with main branch
92    o DIVA:
93      Modif.s in
94      - the_main_loop.F
95      - the_model_main.F
96      and added cost_final_restore.F cost_final_store.F
97      o With these changes, it is possible to fully separate
98        the first forward run to compute the cost function (mdthe_main_loop)
99        and adjoint runs over individual DIVA intervals (adthe_main_loop)
100        into separate model executions.
101        This enables better tuning of DIVA to given queue sizes.
102      o Loss of cost function value in consecutive DIVA runs is
103        fixed by storing to 'costfinal' file.
104      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
105        beginning/end of adjoint integration is accounted for.
106      The current changes apply to TAF-1.4.26.
107      TAF has one remaining bug, requiring one manual change
108      (see MITgcm manual).
109    o cal: synchronized between MAIN and ecco-branch
110    
111    checkpoint48i_post
112    o Changes to restore differentiability of code w.r.t. previous tag
113      (mostly adding new routines to make list and replacing
114      pressure by totPhiHyd).
115    o Updated and merged grdchk package
116      - has both ADM and TLM checks
117      - works for single- and multi-proc.
118      - output cleaned
119      - worked successfully for parallel DIVA
120    o genmake:
121      - Adding -platform=SP4
122      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
123    o Modif. for DIVA:
124      ctrl_unpack should not be called in intermediate DIVA interval.
125      (similar thing would apply for active files such as
126      tbar, sbar, psbar, which should not be reinitialised;
127      only relevant for ecco-branch)
128    
129    checkpoint48h_post
130    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
131    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
132    o Added SEAICE_initialHEFF to pkg/seaice
133    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
134    
135    checkpoint48g_post
136    --- EOS:
137    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
138      store total Potential in totPhyHyd for diagnostics & EOS.
139    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
140    --- Pressure/geopotential gradient:
141    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
142    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
143      ( changes results of global_ocean_pressure )
144    o NLFS + z-coord.: add eta*Rho' contribution.
145    o accurate phiHyd when using interface-W at the middle between 2 centers
146     ( changes results of ideal_2D_oce )
147    o includes r* 2nd term in potential gradient.
148    
149    checkpoint48f_post
150    Merging from release1_p12:
151    o Modifications for using pkg/exf with pkg/seaice
152      - improved description of the various forcing configurations
153      - added basic radiation bulk formulae to pkg/exf
154      - units/sign fix for evap computation in exf_getffields.F
155      - updated verification/global_with_exf/results/output.txt
156    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
157      (SBO) core products, including oceanic mass, center-of-mass,
158      angular, and bottom pressure (see pkg/sbo/README.sbo).
159    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
160      to avoid negative values in shallow regions.
161      - updated verification/natl_box/results/output.txt
162      - updated verification/lab_sea/results/output.txt
163    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
164    o Added useSingleCpuIO option (see PARAMS.h).
165    o Updated useSingleCpuIO option in mdsio_writefield.F to
166      work with multi-field files, e.g., for single-file pickup.
167    o pkg/seaice:
168      - bug fix in growth.F: QNET for no shortwave case
169      - added HeffFile for specifying initial sea-ice thickness
170      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
171    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
172      kpp_transport_t.F, forward_step.F, and the_main_loop.F
173    o pkg/seaice:
174      - adjoint-friendly modifications
175      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
176    
177    checkpoint48e_post
178    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
179    o dynamics: change definition of computational domain & adapt mom_fluxform
180      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
181    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
182        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
183        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
184        global_ocean.90x40x15 global_with_exf global_ocean_pressure
185        inverted_barometer solid-body.cs-32x32x1
186      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
187    
188    checkpoint48d_post
189    o in preparation for r*:
190     a) use pre-computed gradient of hydrostatic potential:
191        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
192     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
193        => affects results of glob_oce_pressure (different truncation error)  
194      update output.txt of ideal_2D_oce & global_ocean_pressure
195    
196    checkpoint48d_pre
197    o in preparation for r*:
198      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
199      pass the 2 comp. of the grad. as arguments to momentum S/R.
200      but for the moment, only used if it does not change the results.
201    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
202    
203    checkpoint48c_post
204    Modifications in treatment of initial flux forcing controls
205    to avoid extra storing of flux fields.
206    
207    checkpoint48c_pre
208    o Added tidal_basin_2d experiment (currently 1D!)
209    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
210    
211    checkpoint48b_post
212    o r* coordinate added in #ifdef NONLIN_FRSURF block.
213     (modification to pressure gradient not yet implemented)
214    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
215      (for U & V) that are used for vertical advection of momentum.
216    
217    checkpoint48a_post
218    o In preparation for r*, use temp. array to compute vertical transport
219       in flux-form momentum pkg. => change results of few test-exp.
220      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
221                        lab_sea, natl_box & plume_on_slope
222    
223    checkpoint48
224    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
225    
226    checkpoint47j_post
227    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
228    o moved adexch from forward_step to addummy_in_stepping
229    o added exch in ctrl_map_...
230    o aveFreq.=0. at end of cost_final to avoid overwrite in
231      reverse checkpointing loop
232    o Yet more changes in gmredi:
233      * adgmredi_calc_tensor
234        avoiding all recomputation of gmredi_slope_limit
235      * adgmredi_x/y/rtransport
236        added flag for excessive storing to avoid recomp. of
237        u/v/rtans, dTdx/y/z
238        -> this is not really necessary and very memory-consuming
239      * adgmredi_slope_psi:
240        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
241      * gmredi_slope_limit
242        re-activated full calculation of taperfct for case 'ac02'
243    o updating verification/ adjoints of carbon, global_ocean.90x40x15
244    
245    checkpoint47i_post
246    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
247    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
248      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
249    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
250    o gmredi: fix few bugs.
251    
252    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
253    This will be a good checkpoint to plug into the ecco-branch.
254    o few modif.'s to get latest version adjointed
255      (mainly kick out code in ini_linear_phisurf)
256    o modif's to run adjoint with exactConserv
257    o case GM_BOLUS_ADVEC should be cleaned
258      S/R gmredi_slope_psi should be cleaned
259    o verification/carbon now has exactConserv=.TRUE.
260    
261    checkpoint47g_post
262    o time-average AIM output: becomes independent from statvars time-average
263      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
264    o After TAF bug fix:
265      Tested adjoint of gmredi package.
266      Tests were done with checkpoint47 rather than with latest
267      checkpoint47f_post since the latter is broken for the adjoint
268      verification/carbon/ contains both ADM and TLM gradient checks.
269    Here they are, before they get changed/lost/stolen.
270    Mostly modif.'s to fix numerical sensitivities.
271    Gradient checks OK for
272    - GM_taper_scheme:
273      * clipping
274      * ac02
275      * linear
276      * glw91
277      * dm95
278      * ldd97
279    - GMREDI_OPTIONS:
280      * GM_VISBECK_VARIABLE_K
281      * GM_NON_UNITY_DIAGONAL
282      * GM_EXTRA_DIAGONAL
283      * GM_BOLUS_ADVEC
284    in conjunction with data.gmredi parameters to be checked in
285    in a few minutes under verification/carbon/code/
286    
287    checkpoint47f_post
288    Merging from release1_p10:
289    o modifications for using pkg/exf with pkg/seaice
290      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
291        and SEAICE_EXTERNAL_FLUXES
292      - pkg/exf CPP options EXF_READ_EVAP and
293        EXF_NO_BULK_COMPUTATIONS
294      - usage examples are Experiments 8 and 9 in
295        verification/lab_sea/README
296      - verification/lab_sea default experiment now uses
297        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
298    
299    checkpoint47e_post
300    o created a tag prior to creating a branch
301    
302    checkpoint47d_post
303    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
304      at the bottom boundary had an erroneous half slip boundary condition
305    o added bottom drag and no slip boundary condition capabilities to
306      oceanic pressure coordinates code
307    o added new verification experiment global_ocean_pressure, this experiment is
308      also described in the tutorial section of the manual
309    checkpoint47d_pre
310    
311    checkpoint47c_post
312    o Added a verification experiment for a global cubed-sphere ocean run
313      -  verification/global_ocean.cubed32x32x30
314      -  uses pkg/therm_seaice and pkg/bulk_forcing
315    
316    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
317    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
318      when using P-coordinate; only implemented for atmospheric config.
319    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
320      NOTES: requires option NONLIN_FRSURF to be "#define".
321    o update advect_xz/results/output.txt (left from checkpoint44g_post)
322    
323    checkpoint47b_post
324    Merging from release1_p9:
325    o pkg/seaice
326      - removed GOTO's and added taf directives
327      - double precision constants to reduce the g77 (Linux)
328        to F77 (SGI) differences reported in release1_p8
329    o tools/genmake
330      - added SGI options
331    o verification/testscript
332      - updated to that of checkpoint47a_post
333    o verification/global_ocean.90x40x15/input/eedata
334      - modified for SGI f77 compatibility
335    o verification/lab_sea
336      - added description of sea-ice model
337      - added missing matlab routines
338      - added test of thermodynamics parallelization
339    
340    checkpoint47a_post
341    o new pkg: aim_v23
342     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
343       for now, keep the same surface forcing as before.
344     - Part-Cell implemented into AIM; check that Heat & Water are conserved
345     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
346     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
347    o add diagnostic of surface correction term in monitor output
348    
349    o bulk_force and therm_seaice
350    - Two packages:  bulk_force (Bulk forcing)
351      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
352    - Earlier integration from Stephaine Dutkiewicz
353      and Patrick Heimbach.
354    - Two ifdef statements for compile time,
355       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
356    
357    checkpoint47
358    differentiable version of checkpoint46n_post
359    o bug fix in quasihydrostaticterms
360    o * "clean" adjoint code (in terms of extensive recomputations)
361        can now be obtained for all GMREDI options (i.e. for
362        - GM_VISBECK_VARIABLE_K
363        - GM_NON_UNITY_DIAGONAL
364        - GM_EXTRA_DIAGONAL
365        - GM_BOLUS_ADVEC )
366      * However, wrong gradient check problem remains unsolved.
367      * New CPP options have been introduced for different
368        tapering schemes
369    o external_fields_load now part of differentiation list
370    o pressure needs multiple storing;
371      would be nice to have store_pressure at beginning or
372      end of forward_step, e.g. by having phiHyd global (5-dim.)
373      (NB: pressure is needed for certain cases in find_rho,
374      which is also invoked through convective_adjustment).
375    o recomputations in find_rho for cases
376     'JMD95'/'UNESCO' or 'MDJWF' are OK.
377    o #define ATMOSPHERIC_LOADING should be differentiable
378    o ini_forcing shifted to begining of initialise_varia
379    o Incorporating QNVS line search routines into MITgcm
380      (this is separate code, and therefore not under pkg)
381      lsopt/, optim/
382    o Updated verification/carbon/
383      - #define GM_VISBECK_VARIABLE_K
384      - GM_taper_scheme    = 'ldd97'    
385    
386    checkpoint46n_post
387    Merging from release1_p8:
388    o verification/natl_box:
389      updating new external_fields_load routine
390    o New package: pkg/seaice
391      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
392      The sea-ice code is based on Hibler (1979-1980).
393      Two sea-ice dynamic solvers, ADI and LSR, are included.
394      In addition to computing prognostic sea-ice variables and diagnosing
395      the forcing/external data fields that drive the ocean model,
396      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
397      The implied surface heat flux is then stored in variable
398      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
399      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
400      non-local transport term.  Because this call precedes model
401      thermodynamics, temperature under sea-ice may not be "exactly" at
402      the freezing point by the time theta is dumped or time-averaged.
403      N.B.: fairly large differences in accuracy occur across
404            different platforms/compilers; comparison between
405            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
406            generated output gives:
407       T           S           U           V
408      C D M    c        m  s        m  s        m  s        m  s
409      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
410      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
411      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
412    
413      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
414    o GAD:
415      - generated new common blocks to account for call of
416        same gad routines with differing traceridentities
417        (needed to modify tracerIdentity indices in GAD.h)
418      - generated separate common blocks for case useCubedSphereExchange
419        (Department of Futurology)
420      - parameter lists to gmredi_?transport: added tracerIdentity
421      - added new key indices to tamc.h
422    o external_fields_load:
423      - added this routine to TAF list
424      - needed to make some common blocks global and additional storing
425        along the same lines as exf package (checkpoint_lev?_directives.h)
426    o exf:
427      updated external forcing package
428      - bug fixes carried over from ecco-branch
429        (missing OBCS_OPTIONS.h in two routines)
430      - enable easy to use "no forcing".
431      - added exf I/O for atmospheric loading
432      - added exf I/O for runoff data
433      - transfered scaling between exf <-> MITgcm to exf namelist
434    o Adding new verification experiment global_with_exf.
435      This verification experiment is almost identical to the
436      global_ocean.90x40x15 experiment, except that it uses
437      the exf (and cal) package instead of the
438      external_fields_load routine (cf README file).
439    
440    checkpoint46m_post
441    o modified testscript to return -- when there are no lines of "%MON" output
442    o added new flag "quasiHydrostatic" for QH mode
443      and new routine quasihydrostaticterms()
444    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
445      New routine: mom_u_coriolis_nh()
446    o fixed sign of non-hydrostatic metric terms in u and v equations.
447      Depend on correct sign of gravitySign.
448    o added work.pc* to .cvsignore in aim directories using ifc
449  o introduced flag for controllin non-hydrostatic metric terms  o introduced flag for controllin non-hydrostatic metric terms
450  o removed gravitySign from PARM04  o removed gravitySign from PARM04
451  o switched to g77/ifc from pgf77 in aim experiments  o switched to g77/ifc from pgf77 in aim experiments

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