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revision 1.15 by cnh, Wed Oct 28 03:23:17 1998 UTC revision 1.148 by jmc, Thu Apr 17 12:56:24 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint50b_pre
7    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
8    o corrected CPP option mismatch in exf_Bulk... functions for case
9      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
10    
11    checkpoint50a_post
12    o Bug fix for merging between c50 and KPP.
13      ikey was passed from thermodynamics to kpp_calc via
14      common block rather than being recomputed in kpp_calc,
15      in contradiction with new key itdkey.
16      New key ikppkey created, and tamc.h headers updated.
17    
18    checkpoint50
19    - 2nd step of merge with ecco-branch:
20      merge changes in ecco-branch back into main trunk
21    - bug fix in find_alpha
22    - more storing in gmredi_calc_tensor.F, kpp_routines.F
23    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
24    - merged some sliced AD support routines
25    
26    checkpoint49
27    merged from ecco-branch:
28    o exf:
29      - Enable initialisation of forcing fields to constant
30        (runtime) values.
31      - in exf_getffields.F
32        Reduce i-/j-loop to interior domain, discarding overlaps.
33        That also fixes wrong TAF-key computations for key_1, key_2
34        with bulf formulae.
35      - exf_init.F modify #ifdef for exf_init_evap
36      - exf_getffieldrec.F, ctrl_getrec.F
37        The following INT-usages are not safe:
38          fldsecs  = int(fldsecs/fldperiod)*fldperiod
39          fldcount = int(fldsecs/fldperiod) + 1
40        and were modified.
41    o autodiff: checkpoint_lev...
42      - updated storing for bulk formulae (some arrays were missing)
43      - added state for seaice package
44      - synchronized with main branch
45    o DIVA:
46      Modif.s in
47      - the_main_loop.F
48      - the_model_main.F
49      and added cost_final_restore.F cost_final_store.F
50      o With these changes, it is possible to fully separate
51        the first forward run to compute the cost function (mdthe_main_loop)
52        and adjoint runs over individual DIVA intervals (adthe_main_loop)
53        into separate model executions.
54        This enables better tuning of DIVA to given queue sizes.
55      o Loss of cost function value in consecutive DIVA runs is
56        fixed by storing to 'costfinal' file.
57      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
58        beginning/end of adjoint integration is accounted for.
59      The current changes apply to TAF-1.4.26.
60      TAF has one remaining bug, requiring one manual change
61      (see MITgcm manual).
62    o cal: synchronized between MAIN and ecco-branch
63    
64    checkpoint48i_post
65    o Changes to restore differentiability of code w.r.t. previous tag
66      (mostly adding new routines to make list and replacing
67      pressure by totPhiHyd).
68    o Updated and merged grdchk package
69      - has both ADM and TLM checks
70      - works for single- and multi-proc.
71      - output cleaned
72      - worked successfully for parallel DIVA
73    o genmake:
74      - Adding -platform=SP4
75      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
76    o Modif. for DIVA:
77      ctrl_unpack should not be called in intermediate DIVA interval.
78      (similar thing would apply for active files such as
79      tbar, sbar, psbar, which should not be reinitialised;
80      only relevant for ecco-branch)
81    
82    checkpoint48h_post
83    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
84    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
85    o Added SEAICE_initialHEFF to pkg/seaice
86    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
87    
88    checkpoint48g_post
89    --- EOS:
90    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
91      store total Potential in totPhyHyd for diagnostics & EOS.
92    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
93    --- Pressure/geopotential gradient:
94    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
95    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
96      ( changes results of global_ocean_pressure )
97    o NLFS + z-coord.: add eta*Rho' contribution.
98    o accurate phiHyd when using interface-W at the middle between 2 centers
99     ( changes results of ideal_2D_oce )
100    o includes r* 2nd term in potential gradient.
101    
102    checkpoint48f_post
103    Merging from release1_p12:
104    o Modifications for using pkg/exf with pkg/seaice
105      - improved description of the various forcing configurations
106      - added basic radiation bulk formulae to pkg/exf
107      - units/sign fix for evap computation in exf_getffields.F
108      - updated verification/global_with_exf/results/output.txt
109    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
110      (SBO) core products, including oceanic mass, center-of-mass,
111      angular, and bottom pressure (see pkg/sbo/README.sbo).
112    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
113      to avoid negative values in shallow regions.
114      - updated verification/natl_box/results/output.txt
115      - updated verification/lab_sea/results/output.txt
116    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
117    o Added useSingleCpuIO option (see PARAMS.h).
118    o Updated useSingleCpuIO option in mdsio_writefield.F to
119      work with multi-field files, e.g., for single-file pickup.
120    o pkg/seaice:
121      - bug fix in growth.F: QNET for no shortwave case
122      - added HeffFile for specifying initial sea-ice thickness
123      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
124    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
125      kpp_transport_t.F, forward_step.F, and the_main_loop.F
126    o pkg/seaice:
127      - adjoint-friendly modifications
128      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
129    
130    checkpoint48e_post
131    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
132    o dynamics: change definition of computational domain & adapt mom_fluxform
133      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
134    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
135        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
136        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
137        global_ocean.90x40x15 global_with_exf global_ocean_pressure
138        inverted_barometer solid-body.cs-32x32x1
139      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
140    
141    checkpoint48d_post
142    o in preparation for r*:
143     a) use pre-computed gradient of hydrostatic potential:
144        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
145     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
146        => affects results of glob_oce_pressure (different truncation error)  
147      update output.txt of ideal_2D_oce & global_ocean_pressure
148    
149    checkpoint48d_pre
150    o in preparation for r*:
151      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
152      pass the 2 comp. of the grad. as arguments to momentum S/R.
153      but for the moment, only used if it does not change the results.
154    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
155    
156    checkpoint48c_post
157    Modifications in treatment of initial flux forcing controls
158    to avoid extra storing of flux fields.
159    
160    checkpoint48c_pre
161    o Added tidal_basin_2d experiment (currently 1D!)
162    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
163    
164    checkpoint48b_post
165    o r* coordinate added in #ifdef NONLIN_FRSURF block.
166     (modification to pressure gradient not yet implemented)
167    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
168      (for U & V) that are used for vertical advection of momentum.
169    
170    checkpoint48a_post
171    o In preparation for r*, use temp. array to compute vertical transport
172       in flux-form momentum pkg. => change results of few test-exp.
173      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
174                        lab_sea, natl_box & plume_on_slope
175    
176    checkpoint48
177    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
178    
179    checkpoint47j_post
180    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
181    o moved adexch from forward_step to addummy_in_stepping
182    o added exch in ctrl_map_...
183    o aveFreq.=0. at end of cost_final to avoid overwrite in
184      reverse checkpointing loop
185    o Yet more changes in gmredi:
186      * adgmredi_calc_tensor
187        avoiding all recomputation of gmredi_slope_limit
188      * adgmredi_x/y/rtransport
189        added flag for excessive storing to avoid recomp. of
190        u/v/rtans, dTdx/y/z
191        -> this is not really necessary and very memory-consuming
192      * adgmredi_slope_psi:
193        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
194      * gmredi_slope_limit
195        re-activated full calculation of taperfct for case 'ac02'
196    o updating verification/ adjoints of carbon, global_ocean.90x40x15
197    
198    checkpoint47i_post
199    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
200    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
201      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
202    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
203    o gmredi: fix few bugs.
204    
205    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
206    This will be a good checkpoint to plug into the ecco-branch.
207    o few modif.'s to get latest version adjointed
208      (mainly kick out code in ini_linear_phisurf)
209    o modif's to run adjoint with exactConserv
210    o case GM_BOLUS_ADVEC should be cleaned
211      S/R gmredi_slope_psi should be cleaned
212    o verification/carbon now has exactConserv=.TRUE.
213    
214    checkpoint47g_post
215    o time-average AIM output: becomes independent from statvars time-average
216      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
217    o After TAF bug fix:
218      Tested adjoint of gmredi package.
219      Tests were done with checkpoint47 rather than with latest
220      checkpoint47f_post since the latter is broken for the adjoint
221      verification/carbon/ contains both ADM and TLM gradient checks.
222    Here they are, before they get changed/lost/stolen.
223    Mostly modif.'s to fix numerical sensitivities.
224    Gradient checks OK for
225    - GM_taper_scheme:
226      * clipping
227      * ac02
228      * linear
229      * glw91
230      * dm95
231      * ldd97
232    - GMREDI_OPTIONS:
233      * GM_VISBECK_VARIABLE_K
234      * GM_NON_UNITY_DIAGONAL
235      * GM_EXTRA_DIAGONAL
236      * GM_BOLUS_ADVEC
237    in conjunction with data.gmredi parameters to be checked in
238    in a few minutes under verification/carbon/code/
239    
240    checkpoint47f_post
241    Merging from release1_p10:
242    o modifications for using pkg/exf with pkg/seaice
243      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
244        and SEAICE_EXTERNAL_FLUXES
245      - pkg/exf CPP options EXF_READ_EVAP and
246        EXF_NO_BULK_COMPUTATIONS
247      - usage examples are Experiments 8 and 9 in
248        verification/lab_sea/README
249      - verification/lab_sea default experiment now uses
250        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
251    
252    checkpoint47e_post
253    o created a tag prior to creating a branch
254    
255    checkpoint47d_post
256    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
257      at the bottom boundary had an erroneous half slip boundary condition
258    o added bottom drag and no slip boundary condition capabilities to
259      oceanic pressure coordinates code
260    o added new verification experiment global_ocean_pressure, this experiment is
261      also described in the tutorial section of the manual
262    checkpoint47d_pre
263    
264    checkpoint47c_post
265    o Added a verification experiment for a global cubed-sphere ocean run
266      -  verification/global_ocean.cubed32x32x30
267      -  uses pkg/therm_seaice and pkg/bulk_forcing
268    
269    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
270    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
271      when using P-coordinate; only implemented for atmospheric config.
272    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
273      NOTES: requires option NONLIN_FRSURF to be "#define".
274    o update advect_xz/results/output.txt (left from checkpoint44g_post)
275    
276    checkpoint47b_post
277    Merging from release1_p9:
278    o pkg/seaice
279      - removed GOTO's and added taf directives
280      - double precision constants to reduce the g77 (Linux)
281        to F77 (SGI) differences reported in release1_p8
282    o tools/genmake
283      - added SGI options
284    o verification/testscript
285      - updated to that of checkpoint47a_post
286    o verification/global_ocean.90x40x15/input/eedata
287      - modified for SGI f77 compatibility
288    o verification/lab_sea
289      - added description of sea-ice model
290      - added missing matlab routines
291      - added test of thermodynamics parallelization
292    
293    checkpoint47a_post
294    o new pkg: aim_v23
295     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
296       for now, keep the same surface forcing as before.
297     - Part-Cell implemented into AIM; check that Heat & Water are conserved
298     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
299     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
300    o add diagnostic of surface correction term in monitor output
301    
302    o bulk_force and therm_seaice
303    - Two packages:  bulk_force (Bulk forcing)
304      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
305    - Earlier integration from Stephaine Dutkiewicz
306      and Patrick Heimbach.
307    - Two ifdef statements for compile time,
308       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
309    
310    checkpoint47
311    differentiable version of checkpoint46n_post
312    o bug fix in quasihydrostaticterms
313    o * "clean" adjoint code (in terms of extensive recomputations)
314        can now be obtained for all GMREDI options (i.e. for
315        - GM_VISBECK_VARIABLE_K
316        - GM_NON_UNITY_DIAGONAL
317        - GM_EXTRA_DIAGONAL
318        - GM_BOLUS_ADVEC )
319      * However, wrong gradient check problem remains unsolved.
320      * New CPP options have been introduced for different
321        tapering schemes
322    o external_fields_load now part of differentiation list
323    o pressure needs multiple storing;
324      would be nice to have store_pressure at beginning or
325      end of forward_step, e.g. by having phiHyd global (5-dim.)
326      (NB: pressure is needed for certain cases in find_rho,
327      which is also invoked through convective_adjustment).
328    o recomputations in find_rho for cases
329     'JMD95'/'UNESCO' or 'MDJWF' are OK.
330    o #define ATMOSPHERIC_LOADING should be differentiable
331    o ini_forcing shifted to begining of initialise_varia
332    o Incorporating QNVS line search routines into MITgcm
333      (this is separate code, and therefore not under pkg)
334      lsopt/, optim/
335    o Updated verification/carbon/
336      - #define GM_VISBECK_VARIABLE_K
337      - GM_taper_scheme    = 'ldd97'    
338    
339    checkpoint46n_post
340    Merging from release1_p8:
341    o verification/natl_box:
342      updating new external_fields_load routine
343    o New package: pkg/seaice
344      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
345      The sea-ice code is based on Hibler (1979-1980).
346      Two sea-ice dynamic solvers, ADI and LSR, are included.
347      In addition to computing prognostic sea-ice variables and diagnosing
348      the forcing/external data fields that drive the ocean model,
349      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
350      The implied surface heat flux is then stored in variable
351      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
352      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
353      non-local transport term.  Because this call precedes model
354      thermodynamics, temperature under sea-ice may not be "exactly" at
355      the freezing point by the time theta is dumped or time-averaged.
356      N.B.: fairly large differences in accuracy occur across
357            different platforms/compilers; comparison between
358            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
359            generated output gives:
360       T           S           U           V
361      C D M    c        m  s        m  s        m  s        m  s
362      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
363      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
364      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
365    
366      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
367    o GAD:
368      - generated new common blocks to account for call of
369        same gad routines with differing traceridentities
370        (needed to modify tracerIdentity indices in GAD.h)
371      - generated separate common blocks for case useCubedSphereExchange
372        (Department of Futurology)
373      - parameter lists to gmredi_?transport: added tracerIdentity
374      - added new key indices to tamc.h
375    o external_fields_load:
376      - added this routine to TAF list
377      - needed to make some common blocks global and additional storing
378        along the same lines as exf package (checkpoint_lev?_directives.h)
379    o exf:
380      updated external forcing package
381      - bug fixes carried over from ecco-branch
382        (missing OBCS_OPTIONS.h in two routines)
383      - enable easy to use "no forcing".
384      - added exf I/O for atmospheric loading
385      - added exf I/O for runoff data
386      - transfered scaling between exf <-> MITgcm to exf namelist
387    o Adding new verification experiment global_with_exf.
388      This verification experiment is almost identical to the
389      global_ocean.90x40x15 experiment, except that it uses
390      the exf (and cal) package instead of the
391      external_fields_load routine (cf README file).
392    
393    checkpoint46m_post
394    o modified testscript to return -- when there are no lines of "%MON" output
395    o added new flag "quasiHydrostatic" for QH mode
396      and new routine quasihydrostaticterms()
397    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
398      New routine: mom_u_coriolis_nh()
399    o fixed sign of non-hydrostatic metric terms in u and v equations.
400      Depend on correct sign of gravitySign.
401    o added work.pc* to .cvsignore in aim directories using ifc
402    o introduced flag for controllin non-hydrostatic metric terms
403    o removed gravitySign from PARM04
404    o switched to g77/ifc from pgf77 in aim experiments
405    
406    checkpoint46l_post
407    o made convective adjustment work with pressure coordinates:
408     - changed the direction of k-loop in convective_adjustment.F for the
409       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
410     - adjusted the reference pressure k-index in convective_adjustment.F
411     - adjusted the convection condition in convect.F (in analogy to
412       calc_ivdc.F)
413     - convective_adjustment no longer computes anything on the halos
414     - removed the warnings about negative salinity from find_rho.F and
415       find_alpha.F; instead the new routine look_for_neg_salinity, called
416       at the beginning of find_rho, find_alpha, and find_beta, does a
417       check of the entire slice, if CPP-option
418       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
419    checkpoint46l_pre
420    
421    checkpoint46k_post
422    o fixed the verification/global_ocean.90x40x15 experiment:
423     - new bathymetry (the world according to A., JMC, and M.)
424     - new initial fields and forcing fields (*.bin files)
425     - new POLY3.COEFFS (for the next release one should switch to a full
426       equation of state: JMD95P or MDJWF)
427     - fixed several errors and redundancies in the data file
428     - experiment uses looped cells
429     - added matlab directory with diagnostic scripts for plotting of output
430    
431    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
432     - read AIM physics parameters from a file (data.aimphys)
433     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
434    
435    checkpoint46j_post
436    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
437    o move wVel computation at the end of the time step, in S/R integr_continuity
438    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
439    o update timeave pkg for wVel diagnostic.
440    checkpoint46j_pre
441    
442    checkpoint46i_post
443    o Clean up AIM package (and keep the results unchanged):
444      include CPP_OPTION and use IMPLICT NONE in all routines ;
445      declare all the variables _RL ; use _d 0 for all numerical constants.
446      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
447    
448    checkpoint46h_post
449    o cleaned up the use of rhoNil and rhoConst.
450      - rhoNil should only appear in the LINEAR equation of state, everywhere
451        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
452        and the dynamical equations are all divided by rhoConst
453    o introduced new parameter rhoConstFresh, a reference density of fresh
454      water, to remove the fresh water flux's dependence on rhoNil. The default
455      value is 999.8 kg/m^3
456    o cleanup up external_forcing.F and external_forcing_surf.F
457      - can now be used by both OCEANIC and OCEANICP
458    checkpoint46h_pre
459    
460     Added code to convert surface volume flux (fresh water) into
461     a mass flux when using P coordinates in the ocean (OCEANICP).
462     Note: It assumes you have set rho0=rhoConst=density of fresh water.
463    
464    checkpoint46g_post
465    o Include a new diagnostic variable phiHydLow for the ocean model
466      - in z-coordinates, it is the bottom pressure anomaly
467      - in p-coordinates, it is the sea surface elevation
468      - in both cases, these variable have global drift, reflecting the mass
469        drift in z-coordinates and the volume drift in p-coordinates
470      - included time averaging for phiHydLow, be aware of the drift!
471    o depth-dependent computation of Bo_surf for pressure coordinates
472      in the ocean (buoyancyRelation='OCEANICP')
473      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
474        Theta, Salinity, and Pressure in the parameter list. This routine is
475        presently contained in find_rho.F. This routine does not give the
476        correct density for 'POLY3', which would be a z-dependent reference
477        density.
478    o cleaned up find_rho
479      - removed obsolete 'eqn' from the parameter list.
480    o added two new verification experiments: gop and goz
481      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
482    checkpoint46g_pre
483    
484    checkpoint46f_post
485    o Enable tangent linear (forward mode) gradient checks:
486      - extended active file handling to g_... files
487      - added TANGENT_SIMULATION to theSimulationMode
488      - extended grdchk package accordingly
489    o added tangent linear setup in verification/carbon/code_ftl
490    o added adjoint setup in verification/front_relax/code_ad
491    
492    checkpoint46e_post
493    o Added new equation of state -> MDJWF
494      - EOS of McDougall et al., 2002, JAOT, submitted
495      - caveat: the equation of state is only valid for a smaller (more
496        realistic?) range of values than JMD95P/Z and UNESCO
497      - added masks to the calculation of pressure in store_pressure
498      - added more check values for density in check_eos (ini_eos.F), some of
499        the old check values are out of the range of the MDJWF-eos, so don't
500        expect perfect matches for those
501    checkpoint46e_pre
502    
503    checkpoint46d_post
504    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
505      'OCEANICP', also initialised field pressure correctly in ini_eos in the
506      case of pressure coordinates. eosType='JMD95Z' in
507      combination with buoyancyRelation='OCEANICP' now causes an error.
508    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
509      in find_alpha/beta.
510    checkpoint46d_pre
511    
512    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
513      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
514    
515    checkpoint46c_post
516    o Changes necessary for ocean in p-coordinates
517     -  Added new buoyancy relation = 'OCEANICP'
518     -  Added new parameters = gravitySign (this used to be contained inside
519        the factor dRdZ which I added when we first switched to R coordinates).
520     X GM/Redi is not compatible (yet)
521     X bottom drag and no-slip need to be debugged.
522    checkpoint46c_pre
523    
524    checkpoint46b_post
525    o Added new equation of state -> JMD95Z and JMD95P
526      - EOS of Jackett and McDougall, 1995, JAOT
527      - moved all EOS parameters into EOS.h
528      - new routines ini_eos.F, store_pressure.F
529    o Added UNESCO EOS, but not recommended because it requires
530      in-situ temperature (see JMD95)
531    o Modified formatting for knudsen2.f in utils/knudsen2 and added
532      unesco.f to be used with POLY3
533    checkpoint46b_pre
534    
535    checkpoint46a_post
536    o Added (atmospheric) pressure loading
537      - new field in FFIELDS.h, etc...
538      - new cpp flag ATMOSPHERIC_LOADING
539    o Changed hFacC to _hFacC in calc_phi_hyd.F
540    o Added SHORTWAVE_HEATING to some files for consistency
541    checkpoint46a_pre
542    
543    checkpoint46
544    further merges from release1_p5
545    o new ctrl package
546      - adopted from ECCO environment to enable optimization
547      - added Eliassen Palm fluxes to controls
548    o added Eliassen Palm flux controls to gradient check package
549    o cost package
550      - Compatible with new ctrl package
551      - added Eliassen Palm cost hooks
552      - modif's of existing cost functions
553    o Adjoint-related bug fixes in kpp:
554      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
555      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
556    o autodiff package
557      - flow directives:
558        + new for S/R do_the_model_io
559        + enhanced for S/R checkpoint
560        + new gmredi.flow
561      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
562        disable adcommon.h/g_common.h by default.
563      - fixed problem for adjoint of global_max
564    o modified verification/carbon/
565    o New setup for adjoint of global_ocean
566    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
567    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
568    o incorporated hooks for sponge layer code (external_forcing.F)
569    
570    checkpoint45d_post
571    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
572    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
573      (affects plume_on_slope "cg2d" output)
574    o add new parameter deltaTfreesurf for free-surface time stepping
575    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
576    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
577    o change phiMin in exp1 (to agree with documentation)
578    o add new flags:
579     - T,S forcing inside/outside Adams-Bashforth
580     - turn off temp,salt advection and/or forcing
581     - for each tracer, define internal flag for multiDimAdvection & A-B
582    o monitor: change definition of KE to check conservation of Energy
583    
584    checkpoint45c_post
585    o Removed f90 comments ("!")
586    o Modified initialisations to enable exf package for MITgcm
587      (without invoking ECCO_PACKAGE).
588    o modifications to gradient check package (Martin Losch)
589      - enable centered differences
590      - modified format of standard output
591    
592    checkpoint45b_post
593    o cleaned exchange calls in cg2d
594    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
595    o included CPP option SINGLE_LAYER_MODE in thermodynamics
596      to configure barotropic setup (Martin Losch)
597    o moved some initialisations within bi,bj loop in dynamics
598      (TAF flow dependency)
599    o in initialise_varia, moved call packages_init_variables
600      before convective_adjustment_init
601      (corresponding adjustment of TAF tape initialisation).
602    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
603    
604    checkpoint45a_post
605    o compute Rho over the whole domain (extend iMin,jMin indices)
606    o specific exchange for X-slice domain (case Ny=1)
607    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
608    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
609    
610    checkpoint44h_post = checkpoint45
611    o Fix to restore differentiability:
612      place at which packages_init_variables is called in
613      initialise_varia is crucial for reverse control flow.
614    o modifications in GMRedi to enable stable adjoint
615      (corresponding modif's in thermodynamics, dynamics)
616    o added missing hook for sponge layer code in external_forcing
617    o modified test cost functions
618    o storing in gad_advection (plus removal of write(0,*)!
619    o missing headers TR1.h added in convective_adjustment routines
620    o errorMessageUnit set non-equal zero in eeboot
621      (conflict on some platforms, e.g. IBM SP3)
622    o modified carbon verif.
623    
624    checkpoint44h_pre
625    o vertical grid option: allow to put the Interface at the middle between
626      2 cell-centers ; replace delZ in pkg/kpp by drF.
627    o GM Advective form: Tracers are advected using the residual transport (=
628      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
629    
630    checkpoint44g_post
631    o fix surface correction term in multiDimAdvection (affects plume_on_slope
632      results) ; ifdef missing in thermodynamics.F
633    
634    checkpoint44f_pre,checkpoint44f_post
635    o added PTRACERS package
636      This allows an arbitrary number of passive tracers to be integrated
637      forward simultaneously with the dynamicaly model.
638      + Implemented so far:
639        - basic forward algorithm (time-stepping, advection, diffusion, convection)
640        - I/O and checkpointing
641        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
642      + Not implemented so far:
643        - KPP
644        - OBCS
645      + No specific example supplied (yet) but global_ocean.90x40x15 has the
646        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
647        line in data.pkg.
648      + This package is disabled by default since it increases storage.
649    
650    
651    o testscript: added -cleanup option
652    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
653                 b) enable to filter 2D fields.
654    
655    checkpoint44e_pre,post
656    o re-wrote convective adjustment to use pre-calculated weights
657      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
658      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
659      Original calls to convect() still in place.
660    
661    chkpt44d_pre,post
662    o added missing EXCLUDE_MONITOR flags
663    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
664      (incompatible typ in MIN/MAX expressions caused problems
665      on IBM SP3)
666    o in genmake added variable MAKEDEPEND
667      plus resetting for case SunOS
668    o added timer_stats.c routine for IBM SP3
669    o removed variables in dynamics
670    !!! I forgot to create tag chkpt44d_pre !!!
671    !!! But chkpt44d_pre = chkpt44c_post    !!!
672    
673    o real fresh water flux implemented with non-linear free-surface.
674    
675    chkpt44c_pre,post
676    o few fix (mask in shap_s2, EmPmR in external_field_load,
677      USE_NATURAL_BCS in solve_for_P);
678    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
679    
680    checkpoint44b_pre/_post
681    o merge of relevant stuff from the ecco-branch:
682      - genmake: removed $S64 overwrite for case SunOS
683      - pkg/exf: update and corrections for field swapping and obcs
684      - pkg/ecco: parameter lists for the_model_main, the_main_loop
685                  harmonized between ECCO and MITgcm
686      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
687                      updated checkpointing_lev... lists for obcs
688      - model/src: minor changes in forward_step, plot_field
689                   added directive for divided adjoint in the_main_loop
690      - pkg/mdsio: added mdsio_gl_slice
691    
692    o check parameters & config (chkpt44a_pre,post)
693    o OBC and NonLin_FrSurf.
694    
695    checkpoint44
696    o fix bug in mom_vi_del2uv
697    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
698    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
699    o update AIM experiments (NCEP input files)
700    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
701    o added some stuff for AD
702    
703    checkpoint43
704    o added two new advection tests
705    o added global 4x4 degree ocean test
706    o added test of H&S94 with free surface on cube
707    o some final mods for gradient check, adjoint,...
708    
709    checkpoint42
710      Fixed AD-related problems:
711    o Store directives up-to-date with re-arranged Adams-Bashforth
712      (mainly thermodynamics.F)
713    o New store directives for multi-dim. advection schemes
714      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
715      * new common block and key passkey
716      (mainly gad_advection.F)
717    o Modified store directives for split of dynamics/thermodynamics
718      for the case ALLOW_KPP
719    o Cleaned argument list for timestep_tracer.F
720    
721    checkpoint41
722    o re-formatted/added comments in prologues of key subroutines
723      to work with protex
724    
725    checkpoint40
726    o moved calc_gs, calc_gt and calc_tr1 back to model/src
727    o added FLT (floats) package from Arne along with demo. experiment
728    o re-arranged Adams-Bashforth scheme for tracers to allow easier
729      implementation of forward-in-time forcing terms
730    o more mods for non-linear free-surface including new variable
731    o modified multi-dim method to work on cube
732    o bug fix in KPP (from DM)
733    
734    checkpoint40pre9
735    o added DST advection schemes
736    o fix MPI bug on SGI's
737    o modifications for non-linear free-surface
738    o fixed conditionals for fixed flow/passive tracer only mode
739    o added tension/strain form of stress tensor
740    o changes to commenting of arguments for TAF/TAMC
741    o added/updated many matlab scripts
742    o added multi-dimensional advection method for tracers
743      
744    checkpoint40pre8
745    o new package rw/
746      Added method for dumping intermediate local arrays:
747      mdsio_writetile - same as mdsio_writefield except works from inside
748                        bi,bj loop
749      mdsio_writelocal - same as mdsio_writetile except works for local
750                         arrays
751      write_local_r? - higher-level wrapper for mdsio_writelocal
752      Controlled by diagFreq. Defaults to zero (ie. no dumps)
753      Example given at end of mom_vecinv.F that dumps some local arrays.
754    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
755      control flux-form versus vector invariant code.
756      Switch is runtime flag vectorInvariantMomentum (defaults to false)
757      or genmake -DISABLE ...
758    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
759      (additional storing is now needed for case vecinv;
760      currently nothing implemented to switch this storing off
761      in case fluxform is used since no CPP flag available).
762    
763    checkpoint40pre7
764    o bug fix in dynamics.F
765      calc_viscosity called before k=1,Nr loop.
766    o added some #ifdef's ALLOW_PASSIVE_TRACER
767    o cleaned initialisations in ctrl_map_ini
768      related to TAF
769    
770    checkpoint40pre6
771    o split dynamics into thermodynamics & dynamics
772    o corresponding split of calc_diffusivity into
773      calc_diffusivity, calc_viscosity
774      (kpp_calc_diff, kpp_calc_visc).
775    o Added diffkr, kapgm to control variables
776    o bug fix in gmredi_slope_limit for ldd97
777    
778    checkpoint40pre5
779    o proper initialization of Adams-Bashforth time stepping
780      + uses forward step for very first step of model (iter=0)
781    o re-generated *all* output since almost all output is modified by this
782      change (sorry but we've been putting this one off for about 2 years)
783      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
784        *not* regenerated since they are already out of date and I don't
785        want to create the impression that they are suddenly working.
786    o removed KAP stuff for DEC's
787    o modified/added many .cvsignore files in */code and */input
788    o added new expt "solid-body.cs-32x32x1"
789      + this uses an alternative form of ini_curvilinear_grid.F which
790        is not necessarily any better than the current one...
791    
792    checkpoint40pre4
793    o added re-initialisations of utrans,vtrans,rtrans in
794      calc_common_factors which are crucial for TAF.
795    o extended iMin,jMin range for calc_common_factors,
796      calc_diffusivity
797    o added option ALLOW_PASSIVE_TRACER
798    o a few minor updates and fixes
799    
800    checkpoint40pre3
801    o created calc_gtr1.F for gad package
802    o split the_main_loop and re-introduced forward_step
803    o some recomputations of nIter0 for TAMC
804    
805    checkpoint40pre2
806    o Updated to latest branch of AJA, JMC
807    o Added gradient check package
808    o Added routines for passive tracer handling
809    o Added carbon sequestration sensitivity experiment
810    
811    checkpoint39
812     o Modifications and fixes to support TAMC
813       (mainly missing or wrong directives)
814     o Corrected common blocks when fooling TAMC to produce adjoint I/O
815       in addummy_in_stepping
816     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
817     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
818     o Included following packages:
819       cal: calendar
820       exf: external forcing
821       ecco: essential routines to control use of cal, exf
822             (NB: this is not the full ECCO environment)
823     o disabled some packages by default in genmake
824    
825    checkpoint38
826     o see notes_c37_adj.txt
827     o corrected wrong layer index in external_forcing_t
828     o replaced the_main_loop/forward_step by the_main_loop
829     o removed forceoutput from write_state
830       (replaced criteria for initial/final state)
831     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
832    
833    checkpoint37
834     o mdsio.F routine split and packaged in pkg/mdsio
835       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
836        used unless genmake -disable=mdsio)
837     o allow a more precise surface-geopotential gradient for the atmosphere
838       taking into account the change in space of Alpha (=1/rho) at the surface.
839     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
840       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
841     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
842       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
843       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
844     o Time-Average diagnostics defined as a pseudo package "timeave".
845     o pickup files : old pickup (before c35) did not work with new code (c35
846       and after) unless activating 2 commented lines in initialise-varia.
847     o Non-Hydrostatic pickup file Pb fixed.
848     o bug with Rigid-lid version (since c35) fixed.  
849    
850    checkpoint36
851     o implement Crank-Nickelson barotropic time-stepping
852     o recover Time-Average diagnostics
853     o fix Pb in checkpoint (PR#19)
854     o AIM become a standard package ; clean unused CPP_kees
855    
856    checkpoint35
857     o subtantial rewrite of dynamics.f
858     o allows staggered time-stepping
859     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
860     o added bottom drag (linear + quadratic)
861    
862    checkpoint34
863     o Modified exchange routines for correct reverse simulation.
864     o Added verification output to comply with bug fix in impldiff.F
865       as of c33 (exp2, natl_box).
866     o Corrected store directives in dynamics.F
867     o Corrected array boundaries in impldiff.F
868     o Corrected array dimensions in gmredi.
869       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
870     o Added routine GLOBAL_SUM_INT to global_sum.F
871     o Added mdsio_gl.F for ECCO purposes.
872    
873    checkpoint33
874     o Fixed bug in lower BC in impldiff.F
875     o Fixed confusion about units of forcing arrays in FFIELDS.h
876       namely Fu,Fv,Qnet,Qsw,EmPmR:
877       - Removed verification/natl_box/code/external_fields_scale.F
878         (did not differ from that in model/src)
879       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
880         (see FFIELDS.h for description)
881       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
882         kpp_calc.F and kpp_transport_t.F
883       - Removed model/src/external_fields_scale.F and calls to it
884       - verification/natl_box uses flux data with "atmospheric" sign so
885         a special version of external_fields_load.F is used to
886         change the data as it's read in. This way, the arrays
887         have the right units and signs at all times tha a user could
888         possibly use them.
889     o Corrected genmake to delete a temporary file during configuration
890    
891    checkpoint32
892     o Scaling of forcing fields moved from external_forcing.F to
893       external_fields_scale.F, called directly after loading fields.
894     o Surface relaxation terms added to surface tendency fields in
895       extra subroutine.
896     o impldiff.F changed to avoid storing by TAMC of huge intermediate
897       fields.
898     o Changes in GMRedi to comply with packaging structure.
899     o Modifications and bug fixes in KPP package.
900     o Verification experiment for KPP added (verification/nat_box/)
901    
902    checkpoint31
903     o Packages interface brought in line with defined standard
904       -> new routines packages_...F
905       -> changes in initialise_fixed.F, initialise_varia.F
906       -> enables initialisation interface for ECCO package
907     o Rescaling of external forcing fields immediately after read
908       (removed from external_forcing.F)
909       -> new: surface_fields_scale.F
910       -> affects ini_foorcing.F, external_fields_load.F
911     o Computation of surface tendencies before tendency updates.
912       -> new: external_forcing_surf.F
913     o Change of variable names useGMRedi, useKPP, useECCO
914     o Further changes in dynamics.F, impldiff.F for TAMC
915     o Tested for experiments 0, 2, 4.
916       - not yet tested for GMRedi.
917       - not yet tested for KPP.
918    
919    checkpoint30
920     o Updates for OBCs
921     o New experiment for test OBCs (internal_wave)
922     o New output.txt in verification/exp4/results/
923     o Updates for KPP: calculation of viscosity corrected, new variables
924       kpp_dumpFreq and kpp_taveFreq
925     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
926       and entry for T90 in genmake
927    
928    checkpoint29
929     o packaged KPP and GM/Redi
930    
931    checkpoint28
932     o Corrected initialization of hFacMin for difference vertical coordinates
933     o Modified calculation of partial cell thickness to more robust algorithm
934     o config_summary.F: replaced write_1D_... by write_0D_...
935       read_write.F: added subroutines write_0D_...
936     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
937       included some initialisations required for TAMC.
938     o routine calc_isoslopes: modified sqrt computation to make it
939       differentiable for zero argument.
940     o routines dynamics, impldiff:
941       included store directives and tape key computations required for TAMC.
942     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
943    
944    checkpoint27
945     o fixed calc_isoslopes() to so that cancellation of terms in tensor
946       formulation works properly with variable resolution.
947     o restructured the calling tree between the_model_main() and dynamics()
948     o split initialise() into initialise_fixed() and initialise_varia()
949     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
950       in new routine ini_psurf()
951    
952    checkpoint26
953     o moved some #ifdef in optional routines to encompass everything
954       except the argument declarations. This was using up some memory.
955     o fixed macros like _ADT to work with both versions of Linux cpp
956     o cleaned up some unused and uninitialized variables
957       (helps when debugging with strict compile options)
958     o split up CPP_EEOPTIONS.h into options and macros
959       (macros are now in eesupp/inc/CPP_EEMACROS.h)
960     o patch for 2 processor JAM mode
961    
962    checkpoint25
963     o updates for OBCs and NH
964     o dramatically reduced memory usage
965     o added "JAM" routines for use on Artic network
966     o parameterization of convection by implicit vertical diffusion
967     o added a diagnostic of convective index
968     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
969       (this is was partly for OBCs and NH but also in anticipation of
970        an explicit free-surface option)
971     o initial state input files for U and V
972    
973    checkpoint24
974     o Removed some spurious "REAL"s
975     o Updated KPP to latest version from JPL
976     o Added a COS(latitude) in horizontal viscosity
977    
978    checkpoint23
979     o Added del^4 diffusion for salt and temperature
980     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
981    
982    checkpoint22
983     o Made many small changes: implicit none, format(i5), etc...
984     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
985    
986    checkpoint21
987     o Introduced new I/O package that supports direct-access records (mdsio.F)
988     o Split-up mid-level I/O routines
989     o Updated input data for experiments 0,1,2,4 and 5
990     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
991    
992    checkpoint20
993     o Tidied up open-boundaries some more
994     o Added non-hydrostatic code
995     o Fixed some input data
996     o Modified MPI start-up to work in "coupled" context.
997    
998    checkpoint19
999     o Tidied up directory structure for verification experiments.
1000     o Added new code for open boundaries.
1001     o Corrected advective terms near boundaries.
1002     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1003     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1004     o Split default parameters out of ini_parms.F into set_defaults.F.
1005    
1006    checkpoint18
1007     o Further changes for optional code generation with
1008       CPP - ugh!
1009    
1010    checkpoint17
1011     o Beginning to incorporating modularity
1012       for supporting atmos. and ocean configs.
1013     o Small changes for TAMC complinace
1014     o New ultra simple test case. Barotropic box
1015       configuration "exp0".
1016    
1017  checkpoint16  checkpoint16
1018   o Minor changes to exchange routines to support   o Minor changes to exchange routines to support
1019     accumulation in reverse mode. Adjoint of an     accumulation in reverse mode. Adjoint of an

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