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revision 1.32 by adcroft, Thu Nov 30 16:51:40 2000 UTC revision 1.169 by heimbach, Fri Jun 27 02:15:54 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    >>>checkpoint51b_post
7    adjoint of ptracers
8    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
9    o extended state in checkpoint_lev?, etc.
10    o alternative ctrl/cost with tr1 or ptracer
11    o new comlev1_bibj_ptracers
12    o new ptracers.flow
13    o made ptracers_forcing same as external_forcing_s
14    o added verification for adjoint with ptracers
15      - adm. grdchk fail so far
16      - tlm. grdchk OK
17      - checked tapelev/comlev recomputations: OK
18    <<<checkpoint51b_pre
19    
20    checkpoint51a_post
21    o added code for biogeochemistry package
22      - new pkgs: dic, gchem
23      - new subroutine in ptracers
24    o modify code for biogeo packages
25      - in model/src and pkg/ptracers
26    
27    checkpoint51
28    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
29      - autodiff, ctrl, exf, grdchk, seaice
30      kept separate packages
31      - cost, ecco, obcs
32    o updating verification/internal_wave, verification/lab_sea
33      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
34    
35    checkpoint50i_post
36    o Preparing next differentiable checkpoint and sync
37      of MAIN vs. ecco-branch
38      - 1st step: this one is differentiable
39      - 2nd step: next(! not this) checkpoint will have updated packages
40                  from ecco-branch)
41    
42    checkpoint50h_post
43    o new package "land": provide surface BC for AIM.
44    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
45    o AIM: use true log-P extrapolation for near surface temp (= as in
46        F.Molteni paper) ; update aim.5l_cs output.
47    o New variable in PARM03 for more flexible pickups
48    o somewhat cleaned package initialisation sequence for
49      ctrl/ cost/ ecco/ in packages_... routines
50    
51    checkpoint50g_post
52    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
53      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
54      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
55        made the default because of faster convergence than ADI
56    
57    checkpoint50f_post
58    o exf totally restructured
59      - replaced all exf_set_ routines by one generic exf_set_gen.F
60        and made sure it's still differentiable
61      - split exf_getffields.F into new exf_bulkformulae.F
62      - exf_inscal_/exf_outscal_ suffixes consistent with field names
63      - updated adjoint/makefile and relevant verif. accordingly
64    
65    checkpoint50f_pre
66     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
67          + change Evap over land. (update aim.5l_cs output)
68     o added missing .cvsignores and made uniform across expts
69     o changed configuration of tidal_basin_2d expt
70     o added pkg/debug functions for tracing code in fatal crashes
71     o tidied pkg/monitor to use MONITOR_OPTIONS.h
72     o new fn in pkg/monitor to stop model if solution grows too big
73     o removed lots of single quotes from comments
74    
75    checkpoint50e_post
76    o make KPP work with PTRACERS
77     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
78       nearly a copy of kpp_transport_s
79     - there is no analogue to SurfaceTendencyS, so I have to use
80       gPtr(of the surface layer) instead
81    o add a new platform SunFire+mpi (SunFire 15000) to genmake
82    checkpoint50e_pre
83    
84    checkpoint50d_post
85    o change kpp output from multiple-record state files to single-record state
86      files analogous to write_state.F
87    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
88      analogous to the cg2d-related output.
89    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
90      so that writing to internal file fn (with length 512) fails.
91    checkpoint50d_pre
92    
93    checkpoint50c_post
94    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
95    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
96    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
97    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
98    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
99    
100    checkpoint50c_pre
101    Merging from release1_p13:
102    o bug fix for pkg/seaice dynamic solver
103    o Added SEAICE_initialHEFF to pkg/seaice
104    
105    checkpoint50b_post
106    o store u*,v* in gU,V instead of in guNm1,gvNm1
107    o in order to put the momForcing out of the Adams-Bashforth:
108      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
109      to timestep.F
110    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
111    o re-generate output for highly sensitive test-exp:
112       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
113    
114    checkpoint50b_pre
115    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
116    o corrected CPP option mismatch in exf_Bulk... functions for case
117      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
118    
119    checkpoint50a_post
120    o Bug fix for merging between c50 and KPP.
121      ikey was passed from thermodynamics to kpp_calc via
122      common block rather than being recomputed in kpp_calc,
123      in contradiction with new key itdkey.
124      New key ikppkey created, and tamc.h headers updated.
125    
126    checkpoint50
127    - 2nd step of merge with ecco-branch:
128      merge changes in ecco-branch back into main trunk
129    - bug fix in find_alpha
130    - more storing in gmredi_calc_tensor.F, kpp_routines.F
131    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
132    - merged some sliced AD support routines
133    
134    checkpoint49
135    merged from ecco-branch:
136    o exf:
137      - Enable initialisation of forcing fields to constant
138        (runtime) values.
139      - in exf_getffields.F
140        Reduce i-/j-loop to interior domain, discarding overlaps.
141        That also fixes wrong TAF-key computations for key_1, key_2
142        with bulf formulae.
143      - exf_init.F modify #ifdef for exf_init_evap
144      - exf_getffieldrec.F, ctrl_getrec.F
145        The following INT-usages are not safe:
146          fldsecs  = int(fldsecs/fldperiod)*fldperiod
147          fldcount = int(fldsecs/fldperiod) + 1
148        and were modified.
149    o autodiff: checkpoint_lev...
150      - updated storing for bulk formulae (some arrays were missing)
151      - added state for seaice package
152      - synchronized with main branch
153    o DIVA:
154      Modif.s in
155      - the_main_loop.F
156      - the_model_main.F
157      and added cost_final_restore.F cost_final_store.F
158      o With these changes, it is possible to fully separate
159        the first forward run to compute the cost function (mdthe_main_loop)
160        and adjoint runs over individual DIVA intervals (adthe_main_loop)
161        into separate model executions.
162        This enables better tuning of DIVA to given queue sizes.
163      o Loss of cost function value in consecutive DIVA runs is
164        fixed by storing to 'costfinal' file.
165      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
166        beginning/end of adjoint integration is accounted for.
167      The current changes apply to TAF-1.4.26.
168      TAF has one remaining bug, requiring one manual change
169      (see MITgcm manual).
170    o cal: synchronized between MAIN and ecco-branch
171    
172    checkpoint48i_post
173    o Changes to restore differentiability of code w.r.t. previous tag
174      (mostly adding new routines to make list and replacing
175      pressure by totPhiHyd).
176    o Updated and merged grdchk package
177      - has both ADM and TLM checks
178      - works for single- and multi-proc.
179      - output cleaned
180      - worked successfully for parallel DIVA
181    o genmake:
182      - Adding -platform=SP4
183      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
184    o Modif. for DIVA:
185      ctrl_unpack should not be called in intermediate DIVA interval.
186      (similar thing would apply for active files such as
187      tbar, sbar, psbar, which should not be reinitialised;
188      only relevant for ecco-branch)
189    
190    checkpoint48h_post
191    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
192    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
193    o Added SEAICE_initialHEFF to pkg/seaice
194    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
195    
196    checkpoint48g_post
197    --- EOS:
198    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
199      store total Potential in totPhyHyd for diagnostics & EOS.
200    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
201    --- Pressure/geopotential gradient:
202    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
203    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
204      ( changes results of global_ocean_pressure )
205    o NLFS + z-coord.: add eta*Rho' contribution.
206    o accurate phiHyd when using interface-W at the middle between 2 centers
207     ( changes results of ideal_2D_oce )
208    o includes r* 2nd term in potential gradient.
209    
210    checkpoint48f_post
211    Merging from release1_p12:
212    o Modifications for using pkg/exf with pkg/seaice
213      - improved description of the various forcing configurations
214      - added basic radiation bulk formulae to pkg/exf
215      - units/sign fix for evap computation in exf_getffields.F
216      - updated verification/global_with_exf/results/output.txt
217    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
218      (SBO) core products, including oceanic mass, center-of-mass,
219      angular, and bottom pressure (see pkg/sbo/README.sbo).
220    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
221      to avoid negative values in shallow regions.
222      - updated verification/natl_box/results/output.txt
223      - updated verification/lab_sea/results/output.txt
224    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
225    o Added useSingleCpuIO option (see PARAMS.h).
226    o Updated useSingleCpuIO option in mdsio_writefield.F to
227      work with multi-field files, e.g., for single-file pickup.
228    o pkg/seaice:
229      - bug fix in growth.F: QNET for no shortwave case
230      - added HeffFile for specifying initial sea-ice thickness
231      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
232    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
233      kpp_transport_t.F, forward_step.F, and the_main_loop.F
234    o pkg/seaice:
235      - adjoint-friendly modifications
236      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
237    
238    checkpoint48e_post
239    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
240    o dynamics: change definition of computational domain & adapt mom_fluxform
241      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
242    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
243        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
244        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
245        global_ocean.90x40x15 global_with_exf global_ocean_pressure
246        inverted_barometer solid-body.cs-32x32x1
247      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
248    
249    checkpoint48d_post
250    o in preparation for r*:
251     a) use pre-computed gradient of hydrostatic potential:
252        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
253     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
254        => affects results of glob_oce_pressure (different truncation error)  
255      update output.txt of ideal_2D_oce & global_ocean_pressure
256    
257    checkpoint48d_pre
258    o in preparation for r*:
259      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
260      pass the 2 comp. of the grad. as arguments to momentum S/R.
261      but for the moment, only used if it does not change the results.
262    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
263    
264    checkpoint48c_post
265    Modifications in treatment of initial flux forcing controls
266    to avoid extra storing of flux fields.
267    
268    checkpoint48c_pre
269    o Added tidal_basin_2d experiment (currently 1D!)
270    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
271    
272    checkpoint48b_post
273    o r* coordinate added in #ifdef NONLIN_FRSURF block.
274     (modification to pressure gradient not yet implemented)
275    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
276      (for U & V) that are used for vertical advection of momentum.
277    
278    checkpoint48a_post
279    o In preparation for r*, use temp. array to compute vertical transport
280       in flux-form momentum pkg. => change results of few test-exp.
281      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
282                        lab_sea, natl_box & plume_on_slope
283    
284    checkpoint48
285    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
286    
287    checkpoint47j_post
288    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
289    o moved adexch from forward_step to addummy_in_stepping
290    o added exch in ctrl_map_...
291    o aveFreq.=0. at end of cost_final to avoid overwrite in
292      reverse checkpointing loop
293    o Yet more changes in gmredi:
294      * adgmredi_calc_tensor
295        avoiding all recomputation of gmredi_slope_limit
296      * adgmredi_x/y/rtransport
297        added flag for excessive storing to avoid recomp. of
298        u/v/rtans, dTdx/y/z
299        -> this is not really necessary and very memory-consuming
300      * adgmredi_slope_psi:
301        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
302      * gmredi_slope_limit
303        re-activated full calculation of taperfct for case 'ac02'
304    o updating verification/ adjoints of carbon, global_ocean.90x40x15
305    
306    checkpoint47i_post
307    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
308    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
309      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
310    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
311    o gmredi: fix few bugs.
312    
313    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
314    This will be a good checkpoint to plug into the ecco-branch.
315    o few modif.'s to get latest version adjointed
316      (mainly kick out code in ini_linear_phisurf)
317    o modif's to run adjoint with exactConserv
318    o case GM_BOLUS_ADVEC should be cleaned
319      S/R gmredi_slope_psi should be cleaned
320    o verification/carbon now has exactConserv=.TRUE.
321    
322    checkpoint47g_post
323    o time-average AIM output: becomes independent from statvars time-average
324      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
325    o After TAF bug fix:
326      Tested adjoint of gmredi package.
327      Tests were done with checkpoint47 rather than with latest
328      checkpoint47f_post since the latter is broken for the adjoint
329      verification/carbon/ contains both ADM and TLM gradient checks.
330    Here they are, before they get changed/lost/stolen.
331    Mostly modif.'s to fix numerical sensitivities.
332    Gradient checks OK for
333    - GM_taper_scheme:
334      * clipping
335      * ac02
336      * linear
337      * glw91
338      * dm95
339      * ldd97
340    - GMREDI_OPTIONS:
341      * GM_VISBECK_VARIABLE_K
342      * GM_NON_UNITY_DIAGONAL
343      * GM_EXTRA_DIAGONAL
344      * GM_BOLUS_ADVEC
345    in conjunction with data.gmredi parameters to be checked in
346    in a few minutes under verification/carbon/code/
347    
348    checkpoint47f_post
349    Merging from release1_p10:
350    o modifications for using pkg/exf with pkg/seaice
351      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
352        and SEAICE_EXTERNAL_FLUXES
353      - pkg/exf CPP options EXF_READ_EVAP and
354        EXF_NO_BULK_COMPUTATIONS
355      - usage examples are Experiments 8 and 9 in
356        verification/lab_sea/README
357      - verification/lab_sea default experiment now uses
358        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
359    
360    checkpoint47e_post
361    o created a tag prior to creating a branch
362    
363    checkpoint47d_post
364    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
365      at the bottom boundary had an erroneous half slip boundary condition
366    o added bottom drag and no slip boundary condition capabilities to
367      oceanic pressure coordinates code
368    o added new verification experiment global_ocean_pressure, this experiment is
369      also described in the tutorial section of the manual
370    checkpoint47d_pre
371    
372    checkpoint47c_post
373    o Added a verification experiment for a global cubed-sphere ocean run
374      -  verification/global_ocean.cubed32x32x30
375      -  uses pkg/therm_seaice and pkg/bulk_forcing
376    
377    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
378    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
379      when using P-coordinate; only implemented for atmospheric config.
380    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
381      NOTES: requires option NONLIN_FRSURF to be "#define".
382    o update advect_xz/results/output.txt (left from checkpoint44g_post)
383    
384    checkpoint47b_post
385    Merging from release1_p9:
386    o pkg/seaice
387      - removed GOTO's and added taf directives
388      - double precision constants to reduce the g77 (Linux)
389        to F77 (SGI) differences reported in release1_p8
390    o tools/genmake
391      - added SGI options
392    o verification/testscript
393      - updated to that of checkpoint47a_post
394    o verification/global_ocean.90x40x15/input/eedata
395      - modified for SGI f77 compatibility
396    o verification/lab_sea
397      - added description of sea-ice model
398      - added missing matlab routines
399      - added test of thermodynamics parallelization
400    
401    checkpoint47a_post
402    o new pkg: aim_v23
403     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
404       for now, keep the same surface forcing as before.
405     - Part-Cell implemented into AIM; check that Heat & Water are conserved
406     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
407     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
408    o add diagnostic of surface correction term in monitor output
409    
410    o bulk_force and therm_seaice
411    - Two packages:  bulk_force (Bulk forcing)
412      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
413    - Earlier integration from Stephaine Dutkiewicz
414      and Patrick Heimbach.
415    - Two ifdef statements for compile time,
416       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
417    
418    checkpoint47
419    differentiable version of checkpoint46n_post
420    o bug fix in quasihydrostaticterms
421    o * "clean" adjoint code (in terms of extensive recomputations)
422        can now be obtained for all GMREDI options (i.e. for
423        - GM_VISBECK_VARIABLE_K
424        - GM_NON_UNITY_DIAGONAL
425        - GM_EXTRA_DIAGONAL
426        - GM_BOLUS_ADVEC )
427      * However, wrong gradient check problem remains unsolved.
428      * New CPP options have been introduced for different
429        tapering schemes
430    o external_fields_load now part of differentiation list
431    o pressure needs multiple storing;
432      would be nice to have store_pressure at beginning or
433      end of forward_step, e.g. by having phiHyd global (5-dim.)
434      (NB: pressure is needed for certain cases in find_rho,
435      which is also invoked through convective_adjustment).
436    o recomputations in find_rho for cases
437     'JMD95'/'UNESCO' or 'MDJWF' are OK.
438    o #define ATMOSPHERIC_LOADING should be differentiable
439    o ini_forcing shifted to begining of initialise_varia
440    o Incorporating QNVS line search routines into MITgcm
441      (this is separate code, and therefore not under pkg)
442      lsopt/, optim/
443    o Updated verification/carbon/
444      - #define GM_VISBECK_VARIABLE_K
445      - GM_taper_scheme    = 'ldd97'    
446    
447    checkpoint46n_post
448    Merging from release1_p8:
449    o verification/natl_box:
450      updating new external_fields_load routine
451    o New package: pkg/seaice
452      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
453      The sea-ice code is based on Hibler (1979-1980).
454      Two sea-ice dynamic solvers, ADI and LSR, are included.
455      In addition to computing prognostic sea-ice variables and diagnosing
456      the forcing/external data fields that drive the ocean model,
457      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
458      The implied surface heat flux is then stored in variable
459      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
460      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
461      non-local transport term.  Because this call precedes model
462      thermodynamics, temperature under sea-ice may not be "exactly" at
463      the freezing point by the time theta is dumped or time-averaged.
464      N.B.: fairly large differences in accuracy occur across
465            different platforms/compilers; comparison between
466            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
467            generated output gives:
468       T           S           U           V
469      C D M    c        m  s        m  s        m  s        m  s
470      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
471      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
472      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
473    
474      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
475    o GAD:
476      - generated new common blocks to account for call of
477        same gad routines with differing traceridentities
478        (needed to modify tracerIdentity indices in GAD.h)
479      - generated separate common blocks for case useCubedSphereExchange
480        (Department of Futurology)
481      - parameter lists to gmredi_?transport: added tracerIdentity
482      - added new key indices to tamc.h
483    o external_fields_load:
484      - added this routine to TAF list
485      - needed to make some common blocks global and additional storing
486        along the same lines as exf package (checkpoint_lev?_directives.h)
487    o exf:
488      updated external forcing package
489      - bug fixes carried over from ecco-branch
490        (missing OBCS_OPTIONS.h in two routines)
491      - enable easy to use "no forcing".
492      - added exf I/O for atmospheric loading
493      - added exf I/O for runoff data
494      - transfered scaling between exf <-> MITgcm to exf namelist
495    o Adding new verification experiment global_with_exf.
496      This verification experiment is almost identical to the
497      global_ocean.90x40x15 experiment, except that it uses
498      the exf (and cal) package instead of the
499      external_fields_load routine (cf README file).
500    
501    checkpoint46m_post
502    o modified testscript to return -- when there are no lines of "%MON" output
503    o added new flag "quasiHydrostatic" for QH mode
504      and new routine quasihydrostaticterms()
505    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
506      New routine: mom_u_coriolis_nh()
507    o fixed sign of non-hydrostatic metric terms in u and v equations.
508      Depend on correct sign of gravitySign.
509    o added work.pc* to .cvsignore in aim directories using ifc
510    o introduced flag for controllin non-hydrostatic metric terms
511    o removed gravitySign from PARM04
512    o switched to g77/ifc from pgf77 in aim experiments
513    
514    checkpoint46l_post
515    o made convective adjustment work with pressure coordinates:
516     - changed the direction of k-loop in convective_adjustment.F for the
517       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
518     - adjusted the reference pressure k-index in convective_adjustment.F
519     - adjusted the convection condition in convect.F (in analogy to
520       calc_ivdc.F)
521     - convective_adjustment no longer computes anything on the halos
522     - removed the warnings about negative salinity from find_rho.F and
523       find_alpha.F; instead the new routine look_for_neg_salinity, called
524       at the beginning of find_rho, find_alpha, and find_beta, does a
525       check of the entire slice, if CPP-option
526       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
527    checkpoint46l_pre
528    
529    checkpoint46k_post
530    o fixed the verification/global_ocean.90x40x15 experiment:
531     - new bathymetry (the world according to A., JMC, and M.)
532     - new initial fields and forcing fields (*.bin files)
533     - new POLY3.COEFFS (for the next release one should switch to a full
534       equation of state: JMD95P or MDJWF)
535     - fixed several errors and redundancies in the data file
536     - experiment uses looped cells
537     - added matlab directory with diagnostic scripts for plotting of output
538    
539    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
540     - read AIM physics parameters from a file (data.aimphys)
541     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
542    
543    checkpoint46j_post
544    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
545    o move wVel computation at the end of the time step, in S/R integr_continuity
546    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
547    o update timeave pkg for wVel diagnostic.
548    checkpoint46j_pre
549    
550    checkpoint46i_post
551    o Clean up AIM package (and keep the results unchanged):
552      include CPP_OPTION and use IMPLICT NONE in all routines ;
553      declare all the variables _RL ; use _d 0 for all numerical constants.
554      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
555    
556    checkpoint46h_post
557    o cleaned up the use of rhoNil and rhoConst.
558      - rhoNil should only appear in the LINEAR equation of state, everywhere
559        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
560        and the dynamical equations are all divided by rhoConst
561    o introduced new parameter rhoConstFresh, a reference density of fresh
562      water, to remove the fresh water flux's dependence on rhoNil. The default
563      value is 999.8 kg/m^3
564    o cleanup up external_forcing.F and external_forcing_surf.F
565      - can now be used by both OCEANIC and OCEANICP
566    checkpoint46h_pre
567    
568     Added code to convert surface volume flux (fresh water) into
569     a mass flux when using P coordinates in the ocean (OCEANICP).
570     Note: It assumes you have set rho0=rhoConst=density of fresh water.
571    
572    checkpoint46g_post
573    o Include a new diagnostic variable phiHydLow for the ocean model
574      - in z-coordinates, it is the bottom pressure anomaly
575      - in p-coordinates, it is the sea surface elevation
576      - in both cases, these variable have global drift, reflecting the mass
577        drift in z-coordinates and the volume drift in p-coordinates
578      - included time averaging for phiHydLow, be aware of the drift!
579    o depth-dependent computation of Bo_surf for pressure coordinates
580      in the ocean (buoyancyRelation='OCEANICP')
581      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
582        Theta, Salinity, and Pressure in the parameter list. This routine is
583        presently contained in find_rho.F. This routine does not give the
584        correct density for 'POLY3', which would be a z-dependent reference
585        density.
586    o cleaned up find_rho
587      - removed obsolete 'eqn' from the parameter list.
588    o added two new verification experiments: gop and goz
589      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
590    checkpoint46g_pre
591    
592    checkpoint46f_post
593    o Enable tangent linear (forward mode) gradient checks:
594      - extended active file handling to g_... files
595      - added TANGENT_SIMULATION to theSimulationMode
596      - extended grdchk package accordingly
597    o added tangent linear setup in verification/carbon/code_ftl
598    o added adjoint setup in verification/front_relax/code_ad
599    
600    checkpoint46e_post
601    o Added new equation of state -> MDJWF
602      - EOS of McDougall et al., 2002, JAOT, submitted
603      - caveat: the equation of state is only valid for a smaller (more
604        realistic?) range of values than JMD95P/Z and UNESCO
605      - added masks to the calculation of pressure in store_pressure
606      - added more check values for density in check_eos (ini_eos.F), some of
607        the old check values are out of the range of the MDJWF-eos, so don't
608        expect perfect matches for those
609    checkpoint46e_pre
610    
611    checkpoint46d_post
612    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
613      'OCEANICP', also initialised field pressure correctly in ini_eos in the
614      case of pressure coordinates. eosType='JMD95Z' in
615      combination with buoyancyRelation='OCEANICP' now causes an error.
616    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
617      in find_alpha/beta.
618    checkpoint46d_pre
619    
620    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
621      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
622    
623    checkpoint46c_post
624    o Changes necessary for ocean in p-coordinates
625     -  Added new buoyancy relation = 'OCEANICP'
626     -  Added new parameters = gravitySign (this used to be contained inside
627        the factor dRdZ which I added when we first switched to R coordinates).
628     X GM/Redi is not compatible (yet)
629     X bottom drag and no-slip need to be debugged.
630    checkpoint46c_pre
631    
632    checkpoint46b_post
633    o Added new equation of state -> JMD95Z and JMD95P
634      - EOS of Jackett and McDougall, 1995, JAOT
635      - moved all EOS parameters into EOS.h
636      - new routines ini_eos.F, store_pressure.F
637    o Added UNESCO EOS, but not recommended because it requires
638      in-situ temperature (see JMD95)
639    o Modified formatting for knudsen2.f in utils/knudsen2 and added
640      unesco.f to be used with POLY3
641    checkpoint46b_pre
642    
643    checkpoint46a_post
644    o Added (atmospheric) pressure loading
645      - new field in FFIELDS.h, etc...
646      - new cpp flag ATMOSPHERIC_LOADING
647    o Changed hFacC to _hFacC in calc_phi_hyd.F
648    o Added SHORTWAVE_HEATING to some files for consistency
649    checkpoint46a_pre
650    
651    checkpoint46
652    further merges from release1_p5
653    o new ctrl package
654      - adopted from ECCO environment to enable optimization
655      - added Eliassen Palm fluxes to controls
656    o added Eliassen Palm flux controls to gradient check package
657    o cost package
658      - Compatible with new ctrl package
659      - added Eliassen Palm cost hooks
660      - modif's of existing cost functions
661    o Adjoint-related bug fixes in kpp:
662      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
663      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
664    o autodiff package
665      - flow directives:
666        + new for S/R do_the_model_io
667        + enhanced for S/R checkpoint
668        + new gmredi.flow
669      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
670        disable adcommon.h/g_common.h by default.
671      - fixed problem for adjoint of global_max
672    o modified verification/carbon/
673    o New setup for adjoint of global_ocean
674    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
675    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
676    o incorporated hooks for sponge layer code (external_forcing.F)
677    
678    checkpoint45d_post
679    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
680    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
681      (affects plume_on_slope "cg2d" output)
682    o add new parameter deltaTfreesurf for free-surface time stepping
683    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
684    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
685    o change phiMin in exp1 (to agree with documentation)
686    o add new flags:
687     - T,S forcing inside/outside Adams-Bashforth
688     - turn off temp,salt advection and/or forcing
689     - for each tracer, define internal flag for multiDimAdvection & A-B
690    o monitor: change definition of KE to check conservation of Energy
691    
692    checkpoint45c_post
693    o Removed f90 comments ("!")
694    o Modified initialisations to enable exf package for MITgcm
695      (without invoking ECCO_PACKAGE).
696    o modifications to gradient check package (Martin Losch)
697      - enable centered differences
698      - modified format of standard output
699    
700    checkpoint45b_post
701    o cleaned exchange calls in cg2d
702    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
703    o included CPP option SINGLE_LAYER_MODE in thermodynamics
704      to configure barotropic setup (Martin Losch)
705    o moved some initialisations within bi,bj loop in dynamics
706      (TAF flow dependency)
707    o in initialise_varia, moved call packages_init_variables
708      before convective_adjustment_init
709      (corresponding adjustment of TAF tape initialisation).
710    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
711    
712    checkpoint45a_post
713    o compute Rho over the whole domain (extend iMin,jMin indices)
714    o specific exchange for X-slice domain (case Ny=1)
715    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
716    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
717    
718    checkpoint44h_post = checkpoint45
719    o Fix to restore differentiability:
720      place at which packages_init_variables is called in
721      initialise_varia is crucial for reverse control flow.
722    o modifications in GMRedi to enable stable adjoint
723      (corresponding modif's in thermodynamics, dynamics)
724    o added missing hook for sponge layer code in external_forcing
725    o modified test cost functions
726    o storing in gad_advection (plus removal of write(0,*)!
727    o missing headers TR1.h added in convective_adjustment routines
728    o errorMessageUnit set non-equal zero in eeboot
729      (conflict on some platforms, e.g. IBM SP3)
730    o modified carbon verif.
731    
732    checkpoint44h_pre
733    o vertical grid option: allow to put the Interface at the middle between
734      2 cell-centers ; replace delZ in pkg/kpp by drF.
735    o GM Advective form: Tracers are advected using the residual transport (=
736      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
737    
738    checkpoint44g_post
739    o fix surface correction term in multiDimAdvection (affects plume_on_slope
740      results) ; ifdef missing in thermodynamics.F
741    
742    checkpoint44f_pre,checkpoint44f_post
743    o added PTRACERS package
744      This allows an arbitrary number of passive tracers to be integrated
745      forward simultaneously with the dynamicaly model.
746      + Implemented so far:
747        - basic forward algorithm (time-stepping, advection, diffusion, convection)
748        - I/O and checkpointing
749        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
750      + Not implemented so far:
751        - KPP
752        - OBCS
753      + No specific example supplied (yet) but global_ocean.90x40x15 has the
754        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
755        line in data.pkg.
756      + This package is disabled by default since it increases storage.
757    
758    
759    o testscript: added -cleanup option
760    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
761                 b) enable to filter 2D fields.
762    
763    checkpoint44e_pre,post
764    o re-wrote convective adjustment to use pre-calculated weights
765      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
766      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
767      Original calls to convect() still in place.
768    
769    chkpt44d_pre,post
770    o added missing EXCLUDE_MONITOR flags
771    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
772      (incompatible typ in MIN/MAX expressions caused problems
773      on IBM SP3)
774    o in genmake added variable MAKEDEPEND
775      plus resetting for case SunOS
776    o added timer_stats.c routine for IBM SP3
777    o removed variables in dynamics
778    !!! I forgot to create tag chkpt44d_pre !!!
779    !!! But chkpt44d_pre = chkpt44c_post    !!!
780    
781    o real fresh water flux implemented with non-linear free-surface.
782    
783    chkpt44c_pre,post
784    o few fix (mask in shap_s2, EmPmR in external_field_load,
785      USE_NATURAL_BCS in solve_for_P);
786    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
787    
788    checkpoint44b_pre/_post
789    o merge of relevant stuff from the ecco-branch:
790      - genmake: removed $S64 overwrite for case SunOS
791      - pkg/exf: update and corrections for field swapping and obcs
792      - pkg/ecco: parameter lists for the_model_main, the_main_loop
793                  harmonized between ECCO and MITgcm
794      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
795                      updated checkpointing_lev... lists for obcs
796      - model/src: minor changes in forward_step, plot_field
797                   added directive for divided adjoint in the_main_loop
798      - pkg/mdsio: added mdsio_gl_slice
799    
800    o check parameters & config (chkpt44a_pre,post)
801    o OBC and NonLin_FrSurf.
802    
803    checkpoint44
804    o fix bug in mom_vi_del2uv
805    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
806    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
807    o update AIM experiments (NCEP input files)
808    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
809    o added some stuff for AD
810    
811    checkpoint43
812    o added two new advection tests
813    o added global 4x4 degree ocean test
814    o added test of H&S94 with free surface on cube
815    o some final mods for gradient check, adjoint,...
816    
817    checkpoint42
818      Fixed AD-related problems:
819    o Store directives up-to-date with re-arranged Adams-Bashforth
820      (mainly thermodynamics.F)
821    o New store directives for multi-dim. advection schemes
822      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
823      * new common block and key passkey
824      (mainly gad_advection.F)
825    o Modified store directives for split of dynamics/thermodynamics
826      for the case ALLOW_KPP
827    o Cleaned argument list for timestep_tracer.F
828    
829    checkpoint41
830    o re-formatted/added comments in prologues of key subroutines
831      to work with protex
832    
833    checkpoint40
834    o moved calc_gs, calc_gt and calc_tr1 back to model/src
835    o added FLT (floats) package from Arne along with demo. experiment
836    o re-arranged Adams-Bashforth scheme for tracers to allow easier
837      implementation of forward-in-time forcing terms
838    o more mods for non-linear free-surface including new variable
839    o modified multi-dim method to work on cube
840    o bug fix in KPP (from DM)
841    
842    checkpoint40pre9
843    o added DST advection schemes
844    o fix MPI bug on SGI's
845    o modifications for non-linear free-surface
846    o fixed conditionals for fixed flow/passive tracer only mode
847    o added tension/strain form of stress tensor
848    o changes to commenting of arguments for TAF/TAMC
849    o added/updated many matlab scripts
850    o added multi-dimensional advection method for tracers
851      
852    checkpoint40pre8
853    o new package rw/
854      Added method for dumping intermediate local arrays:
855      mdsio_writetile - same as mdsio_writefield except works from inside
856                        bi,bj loop
857      mdsio_writelocal - same as mdsio_writetile except works for local
858                         arrays
859      write_local_r? - higher-level wrapper for mdsio_writelocal
860      Controlled by diagFreq. Defaults to zero (ie. no dumps)
861      Example given at end of mom_vecinv.F that dumps some local arrays.
862    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
863      control flux-form versus vector invariant code.
864      Switch is runtime flag vectorInvariantMomentum (defaults to false)
865      or genmake -DISABLE ...
866    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
867      (additional storing is now needed for case vecinv;
868      currently nothing implemented to switch this storing off
869      in case fluxform is used since no CPP flag available).
870    
871    checkpoint40pre7
872    o bug fix in dynamics.F
873      calc_viscosity called before k=1,Nr loop.
874    o added some #ifdef's ALLOW_PASSIVE_TRACER
875    o cleaned initialisations in ctrl_map_ini
876      related to TAF
877    
878    checkpoint40pre6
879    o split dynamics into thermodynamics & dynamics
880    o corresponding split of calc_diffusivity into
881      calc_diffusivity, calc_viscosity
882      (kpp_calc_diff, kpp_calc_visc).
883    o Added diffkr, kapgm to control variables
884    o bug fix in gmredi_slope_limit for ldd97
885    
886    checkpoint40pre5
887    o proper initialization of Adams-Bashforth time stepping
888      + uses forward step for very first step of model (iter=0)
889    o re-generated *all* output since almost all output is modified by this
890      change (sorry but we've been putting this one off for about 2 years)
891      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
892        *not* regenerated since they are already out of date and I don't
893        want to create the impression that they are suddenly working.
894    o removed KAP stuff for DEC's
895    o modified/added many .cvsignore files in */code and */input
896    o added new expt "solid-body.cs-32x32x1"
897      + this uses an alternative form of ini_curvilinear_grid.F which
898        is not necessarily any better than the current one...
899    
900    checkpoint40pre4
901    o added re-initialisations of utrans,vtrans,rtrans in
902      calc_common_factors which are crucial for TAF.
903    o extended iMin,jMin range for calc_common_factors,
904      calc_diffusivity
905    o added option ALLOW_PASSIVE_TRACER
906    o a few minor updates and fixes
907    
908    checkpoint40pre3
909    o created calc_gtr1.F for gad package
910    o split the_main_loop and re-introduced forward_step
911    o some recomputations of nIter0 for TAMC
912    
913    checkpoint40pre2
914    o Updated to latest branch of AJA, JMC
915    o Added gradient check package
916    o Added routines for passive tracer handling
917    o Added carbon sequestration sensitivity experiment
918    
919    checkpoint39
920     o Modifications and fixes to support TAMC
921       (mainly missing or wrong directives)
922     o Corrected common blocks when fooling TAMC to produce adjoint I/O
923       in addummy_in_stepping
924     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
925     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
926     o Included following packages:
927       cal: calendar
928       exf: external forcing
929       ecco: essential routines to control use of cal, exf
930             (NB: this is not the full ECCO environment)
931     o disabled some packages by default in genmake
932    
933    checkpoint38
934     o see notes_c37_adj.txt
935     o corrected wrong layer index in external_forcing_t
936     o replaced the_main_loop/forward_step by the_main_loop
937     o removed forceoutput from write_state
938       (replaced criteria for initial/final state)
939     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
940    
941    checkpoint37
942     o mdsio.F routine split and packaged in pkg/mdsio
943       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
944        used unless genmake -disable=mdsio)
945     o allow a more precise surface-geopotential gradient for the atmosphere
946       taking into account the change in space of Alpha (=1/rho) at the surface.
947     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
948       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
949     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
950       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
951       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
952     o Time-Average diagnostics defined as a pseudo package "timeave".
953     o pickup files : old pickup (before c35) did not work with new code (c35
954       and after) unless activating 2 commented lines in initialise-varia.
955     o Non-Hydrostatic pickup file Pb fixed.
956     o bug with Rigid-lid version (since c35) fixed.  
957    
958    checkpoint36
959     o implement Crank-Nickelson barotropic time-stepping
960     o recover Time-Average diagnostics
961     o fix Pb in checkpoint (PR#19)
962     o AIM become a standard package ; clean unused CPP_kees
963    
964    checkpoint35
965     o subtantial rewrite of dynamics.f
966     o allows staggered time-stepping
967     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
968     o added bottom drag (linear + quadratic)
969    
970    checkpoint34
971     o Modified exchange routines for correct reverse simulation.
972     o Added verification output to comply with bug fix in impldiff.F
973       as of c33 (exp2, natl_box).
974     o Corrected store directives in dynamics.F
975     o Corrected array boundaries in impldiff.F
976     o Corrected array dimensions in gmredi.
977       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
978     o Added routine GLOBAL_SUM_INT to global_sum.F
979     o Added mdsio_gl.F for ECCO purposes.
980    
981  checkpoint33  checkpoint33
982   o Fixed bug in lower BC in impldiff.F   o Fixed bug in lower BC in impldiff.F
983   o Fixed confusion about units of forcing arrays in FFIELDS.h   o Fixed confusion about units of forcing arrays in FFIELDS.h

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