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revision 1.95 by adcroft, Tue Nov 5 19:14:26 2002 UTC revision 1.162 by adcroft, Thu Jun 5 16:16:00 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 AIM: use true log-P extrapolation for near surface temp (= as in
7        F.Molteni paper) ; update aim.5l_cs output.
8    o New variable in PARM03 for more flexible pickups
9    
10    checkpoint50g_post
11    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
12      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
13      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
14        made the default because of faster convergence than ADI
15    
16    checkpoint50f_post
17    o exf totally restructured
18      - replaced all exf_set_ routines by one generic exf_set_gen.F
19        and made sure it's still differentiable
20      - split exf_getffields.F into new exf_bulkformulae.F
21      - exf_inscal_/exf_outscal_ suffixes consistent with field names
22      - updated adjoint/makefile and relevant verif. accordingly
23    
24    checkpoint50f_pre
25     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
26          + change Evap over land. (update aim.5l_cs output)
27     o added missing .cvsignores and made uniform across expts
28     o changed configuration of tidal_basin_2d expt
29     o added pkg/debug functions for tracing code in fatal crashes
30     o tidied pkg/monitor to use MONITOR_OPTIONS.h
31     o new fn in pkg/monitor to stop model if solution grows too big
32     o removed lots of single quotes from comments
33    
34    checkpoint50e_post
35    o make KPP work with PTRACERS
36     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
37       nearly a copy of kpp_transport_s
38     - there is no analogue to SurfaceTendencyS, so I have to use
39       gPtr(of the surface layer) instead
40    o add a new platform SunFire+mpi (SunFire 15000) to genmake
41    checkpoint50e_pre
42    
43    checkpoint50d_post
44    o change kpp output from multiple-record state files to single-record state
45      files analogous to write_state.F
46    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
47      analogous to the cg2d-related output.
48    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
49      so that writing to internal file fn (with length 512) fails.
50    checkpoint50d_pre
51    
52    checkpoint50c_post
53    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
54    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
55    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
56    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
57    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
58    
59    checkpoint50c_pre
60    Merging from release1_p13:
61    o bug fix for pkg/seaice dynamic solver
62    o Added SEAICE_initialHEFF to pkg/seaice
63    
64    checkpoint50b_post
65    o store u*,v* in gU,V instead of in guNm1,gvNm1
66    o in order to put the momForcing out of the Adams-Bashforth:
67      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
68      to timestep.F
69    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
70    o re-generate output for highly sensitive test-exp:
71       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
72    
73    checkpoint50b_pre
74    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
75    o corrected CPP option mismatch in exf_Bulk... functions for case
76      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
77    
78    checkpoint50a_post
79    o Bug fix for merging between c50 and KPP.
80      ikey was passed from thermodynamics to kpp_calc via
81      common block rather than being recomputed in kpp_calc,
82      in contradiction with new key itdkey.
83      New key ikppkey created, and tamc.h headers updated.
84    
85    checkpoint50
86    - 2nd step of merge with ecco-branch:
87      merge changes in ecco-branch back into main trunk
88    - bug fix in find_alpha
89    - more storing in gmredi_calc_tensor.F, kpp_routines.F
90    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
91    - merged some sliced AD support routines
92    
93    checkpoint49
94    merged from ecco-branch:
95    o exf:
96      - Enable initialisation of forcing fields to constant
97        (runtime) values.
98      - in exf_getffields.F
99        Reduce i-/j-loop to interior domain, discarding overlaps.
100        That also fixes wrong TAF-key computations for key_1, key_2
101        with bulf formulae.
102      - exf_init.F modify #ifdef for exf_init_evap
103      - exf_getffieldrec.F, ctrl_getrec.F
104        The following INT-usages are not safe:
105          fldsecs  = int(fldsecs/fldperiod)*fldperiod
106          fldcount = int(fldsecs/fldperiod) + 1
107        and were modified.
108    o autodiff: checkpoint_lev...
109      - updated storing for bulk formulae (some arrays were missing)
110      - added state for seaice package
111      - synchronized with main branch
112    o DIVA:
113      Modif.s in
114      - the_main_loop.F
115      - the_model_main.F
116      and added cost_final_restore.F cost_final_store.F
117      o With these changes, it is possible to fully separate
118        the first forward run to compute the cost function (mdthe_main_loop)
119        and adjoint runs over individual DIVA intervals (adthe_main_loop)
120        into separate model executions.
121        This enables better tuning of DIVA to given queue sizes.
122      o Loss of cost function value in consecutive DIVA runs is
123        fixed by storing to 'costfinal' file.
124      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
125        beginning/end of adjoint integration is accounted for.
126      The current changes apply to TAF-1.4.26.
127      TAF has one remaining bug, requiring one manual change
128      (see MITgcm manual).
129    o cal: synchronized between MAIN and ecco-branch
130    
131    checkpoint48i_post
132    o Changes to restore differentiability of code w.r.t. previous tag
133      (mostly adding new routines to make list and replacing
134      pressure by totPhiHyd).
135    o Updated and merged grdchk package
136      - has both ADM and TLM checks
137      - works for single- and multi-proc.
138      - output cleaned
139      - worked successfully for parallel DIVA
140    o genmake:
141      - Adding -platform=SP4
142      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
143    o Modif. for DIVA:
144      ctrl_unpack should not be called in intermediate DIVA interval.
145      (similar thing would apply for active files such as
146      tbar, sbar, psbar, which should not be reinitialised;
147      only relevant for ecco-branch)
148    
149    checkpoint48h_post
150    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
151    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
152    o Added SEAICE_initialHEFF to pkg/seaice
153    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
154    
155    checkpoint48g_post
156    --- EOS:
157    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
158      store total Potential in totPhyHyd for diagnostics & EOS.
159    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
160    --- Pressure/geopotential gradient:
161    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
162    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
163      ( changes results of global_ocean_pressure )
164    o NLFS + z-coord.: add eta*Rho' contribution.
165    o accurate phiHyd when using interface-W at the middle between 2 centers
166     ( changes results of ideal_2D_oce )
167    o includes r* 2nd term in potential gradient.
168    
169    checkpoint48f_post
170    Merging from release1_p12:
171    o Modifications for using pkg/exf with pkg/seaice
172      - improved description of the various forcing configurations
173      - added basic radiation bulk formulae to pkg/exf
174      - units/sign fix for evap computation in exf_getffields.F
175      - updated verification/global_with_exf/results/output.txt
176    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
177      (SBO) core products, including oceanic mass, center-of-mass,
178      angular, and bottom pressure (see pkg/sbo/README.sbo).
179    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
180      to avoid negative values in shallow regions.
181      - updated verification/natl_box/results/output.txt
182      - updated verification/lab_sea/results/output.txt
183    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
184    o Added useSingleCpuIO option (see PARAMS.h).
185    o Updated useSingleCpuIO option in mdsio_writefield.F to
186      work with multi-field files, e.g., for single-file pickup.
187    o pkg/seaice:
188      - bug fix in growth.F: QNET for no shortwave case
189      - added HeffFile for specifying initial sea-ice thickness
190      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
191    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
192      kpp_transport_t.F, forward_step.F, and the_main_loop.F
193    o pkg/seaice:
194      - adjoint-friendly modifications
195      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
196    
197    checkpoint48e_post
198    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
199    o dynamics: change definition of computational domain & adapt mom_fluxform
200      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
201    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
202        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
203        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
204        global_ocean.90x40x15 global_with_exf global_ocean_pressure
205        inverted_barometer solid-body.cs-32x32x1
206      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
207    
208    checkpoint48d_post
209    o in preparation for r*:
210     a) use pre-computed gradient of hydrostatic potential:
211        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
212     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
213        => affects results of glob_oce_pressure (different truncation error)  
214      update output.txt of ideal_2D_oce & global_ocean_pressure
215    
216    checkpoint48d_pre
217    o in preparation for r*:
218      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
219      pass the 2 comp. of the grad. as arguments to momentum S/R.
220      but for the moment, only used if it does not change the results.
221    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
222    
223    checkpoint48c_post
224    Modifications in treatment of initial flux forcing controls
225    to avoid extra storing of flux fields.
226    
227    checkpoint48c_pre
228    o Added tidal_basin_2d experiment (currently 1D!)
229    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
230    
231    checkpoint48b_post
232    o r* coordinate added in #ifdef NONLIN_FRSURF block.
233     (modification to pressure gradient not yet implemented)
234    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
235      (for U & V) that are used for vertical advection of momentum.
236    
237    checkpoint48a_post
238    o In preparation for r*, use temp. array to compute vertical transport
239       in flux-form momentum pkg. => change results of few test-exp.
240      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
241                        lab_sea, natl_box & plume_on_slope
242    
243    checkpoint48
244    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
245    
246    checkpoint47j_post
247    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
248    o moved adexch from forward_step to addummy_in_stepping
249    o added exch in ctrl_map_...
250    o aveFreq.=0. at end of cost_final to avoid overwrite in
251      reverse checkpointing loop
252    o Yet more changes in gmredi:
253      * adgmredi_calc_tensor
254        avoiding all recomputation of gmredi_slope_limit
255      * adgmredi_x/y/rtransport
256        added flag for excessive storing to avoid recomp. of
257        u/v/rtans, dTdx/y/z
258        -> this is not really necessary and very memory-consuming
259      * adgmredi_slope_psi:
260        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
261      * gmredi_slope_limit
262        re-activated full calculation of taperfct for case 'ac02'
263    o updating verification/ adjoints of carbon, global_ocean.90x40x15
264    
265    checkpoint47i_post
266    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
267    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
268      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
269    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
270    o gmredi: fix few bugs.
271    
272    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
273    This will be a good checkpoint to plug into the ecco-branch.
274    o few modif.'s to get latest version adjointed
275      (mainly kick out code in ini_linear_phisurf)
276    o modif's to run adjoint with exactConserv
277    o case GM_BOLUS_ADVEC should be cleaned
278      S/R gmredi_slope_psi should be cleaned
279    o verification/carbon now has exactConserv=.TRUE.
280    
281    checkpoint47g_post
282    o time-average AIM output: becomes independent from statvars time-average
283      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
284    o After TAF bug fix:
285      Tested adjoint of gmredi package.
286      Tests were done with checkpoint47 rather than with latest
287      checkpoint47f_post since the latter is broken for the adjoint
288      verification/carbon/ contains both ADM and TLM gradient checks.
289    Here they are, before they get changed/lost/stolen.
290    Mostly modif.'s to fix numerical sensitivities.
291    Gradient checks OK for
292    - GM_taper_scheme:
293      * clipping
294      * ac02
295      * linear
296      * glw91
297      * dm95
298      * ldd97
299    - GMREDI_OPTIONS:
300      * GM_VISBECK_VARIABLE_K
301      * GM_NON_UNITY_DIAGONAL
302      * GM_EXTRA_DIAGONAL
303      * GM_BOLUS_ADVEC
304    in conjunction with data.gmredi parameters to be checked in
305    in a few minutes under verification/carbon/code/
306    
307    checkpoint47f_post
308    Merging from release1_p10:
309    o modifications for using pkg/exf with pkg/seaice
310      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
311        and SEAICE_EXTERNAL_FLUXES
312      - pkg/exf CPP options EXF_READ_EVAP and
313        EXF_NO_BULK_COMPUTATIONS
314      - usage examples are Experiments 8 and 9 in
315        verification/lab_sea/README
316      - verification/lab_sea default experiment now uses
317        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
318    
319    checkpoint47e_post
320    o created a tag prior to creating a branch
321    
322    checkpoint47d_post
323    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
324      at the bottom boundary had an erroneous half slip boundary condition
325    o added bottom drag and no slip boundary condition capabilities to
326      oceanic pressure coordinates code
327    o added new verification experiment global_ocean_pressure, this experiment is
328      also described in the tutorial section of the manual
329    checkpoint47d_pre
330    
331    checkpoint47c_post
332    o Added a verification experiment for a global cubed-sphere ocean run
333      -  verification/global_ocean.cubed32x32x30
334      -  uses pkg/therm_seaice and pkg/bulk_forcing
335    
336    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
337    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
338      when using P-coordinate; only implemented for atmospheric config.
339    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
340      NOTES: requires option NONLIN_FRSURF to be "#define".
341    o update advect_xz/results/output.txt (left from checkpoint44g_post)
342    
343    checkpoint47b_post
344    Merging from release1_p9:
345    o pkg/seaice
346      - removed GOTO's and added taf directives
347      - double precision constants to reduce the g77 (Linux)
348        to F77 (SGI) differences reported in release1_p8
349    o tools/genmake
350      - added SGI options
351    o verification/testscript
352      - updated to that of checkpoint47a_post
353    o verification/global_ocean.90x40x15/input/eedata
354      - modified for SGI f77 compatibility
355    o verification/lab_sea
356      - added description of sea-ice model
357      - added missing matlab routines
358      - added test of thermodynamics parallelization
359    
360    checkpoint47a_post
361    o new pkg: aim_v23
362     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
363       for now, keep the same surface forcing as before.
364     - Part-Cell implemented into AIM; check that Heat & Water are conserved
365     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
366     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
367    o add diagnostic of surface correction term in monitor output
368    
369    o bulk_force and therm_seaice
370    - Two packages:  bulk_force (Bulk forcing)
371      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
372    - Earlier integration from Stephaine Dutkiewicz
373      and Patrick Heimbach.
374    - Two ifdef statements for compile time,
375       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
376    
377    checkpoint47
378    differentiable version of checkpoint46n_post
379    o bug fix in quasihydrostaticterms
380    o * "clean" adjoint code (in terms of extensive recomputations)
381        can now be obtained for all GMREDI options (i.e. for
382        - GM_VISBECK_VARIABLE_K
383        - GM_NON_UNITY_DIAGONAL
384        - GM_EXTRA_DIAGONAL
385        - GM_BOLUS_ADVEC )
386      * However, wrong gradient check problem remains unsolved.
387      * New CPP options have been introduced for different
388        tapering schemes
389    o external_fields_load now part of differentiation list
390    o pressure needs multiple storing;
391      would be nice to have store_pressure at beginning or
392      end of forward_step, e.g. by having phiHyd global (5-dim.)
393      (NB: pressure is needed for certain cases in find_rho,
394      which is also invoked through convective_adjustment).
395    o recomputations in find_rho for cases
396     'JMD95'/'UNESCO' or 'MDJWF' are OK.
397    o #define ATMOSPHERIC_LOADING should be differentiable
398    o ini_forcing shifted to begining of initialise_varia
399    o Incorporating QNVS line search routines into MITgcm
400      (this is separate code, and therefore not under pkg)
401      lsopt/, optim/
402    o Updated verification/carbon/
403      - #define GM_VISBECK_VARIABLE_K
404      - GM_taper_scheme    = 'ldd97'    
405    
406    checkpoint46n_post
407    Merging from release1_p8:
408    o verification/natl_box:
409      updating new external_fields_load routine
410    o New package: pkg/seaice
411      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
412      The sea-ice code is based on Hibler (1979-1980).
413      Two sea-ice dynamic solvers, ADI and LSR, are included.
414      In addition to computing prognostic sea-ice variables and diagnosing
415      the forcing/external data fields that drive the ocean model,
416      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
417      The implied surface heat flux is then stored in variable
418      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
419      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
420      non-local transport term.  Because this call precedes model
421      thermodynamics, temperature under sea-ice may not be "exactly" at
422      the freezing point by the time theta is dumped or time-averaged.
423      N.B.: fairly large differences in accuracy occur across
424            different platforms/compilers; comparison between
425            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
426            generated output gives:
427       T           S           U           V
428      C D M    c        m  s        m  s        m  s        m  s
429      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
430      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
431      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
432    
433      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
434    o GAD:
435      - generated new common blocks to account for call of
436        same gad routines with differing traceridentities
437        (needed to modify tracerIdentity indices in GAD.h)
438      - generated separate common blocks for case useCubedSphereExchange
439        (Department of Futurology)
440      - parameter lists to gmredi_?transport: added tracerIdentity
441      - added new key indices to tamc.h
442    o external_fields_load:
443      - added this routine to TAF list
444      - needed to make some common blocks global and additional storing
445        along the same lines as exf package (checkpoint_lev?_directives.h)
446    o exf:
447      updated external forcing package
448      - bug fixes carried over from ecco-branch
449        (missing OBCS_OPTIONS.h in two routines)
450      - enable easy to use "no forcing".
451      - added exf I/O for atmospheric loading
452      - added exf I/O for runoff data
453      - transfered scaling between exf <-> MITgcm to exf namelist
454    o Adding new verification experiment global_with_exf.
455      This verification experiment is almost identical to the
456      global_ocean.90x40x15 experiment, except that it uses
457      the exf (and cal) package instead of the
458      external_fields_load routine (cf README file).
459    
460    checkpoint46m_post
461    o modified testscript to return -- when there are no lines of "%MON" output
462    o added new flag "quasiHydrostatic" for QH mode
463      and new routine quasihydrostaticterms()
464    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
465      New routine: mom_u_coriolis_nh()
466    o fixed sign of non-hydrostatic metric terms in u and v equations.
467      Depend on correct sign of gravitySign.
468    o added work.pc* to .cvsignore in aim directories using ifc
469    o introduced flag for controllin non-hydrostatic metric terms
470  o removed gravitySign from PARM04  o removed gravitySign from PARM04
471  o switched to g77/ifc from pgf77 in aim experiments  o switched to g77/ifc from pgf77 in aim experiments
472    

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