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revision 1.58 by heimbach, Thu Feb 7 20:00:09 2002 UTC revision 1.163 by jmc, Thu Jun 12 21:25:24 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o new package "land": provide surface BC for AIM.
7    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
8    o AIM: use true log-P extrapolation for near surface temp (= as in
9        F.Molteni paper) ; update aim.5l_cs output.
10    o New variable in PARM03 for more flexible pickups
11    
12    checkpoint50g_post
13    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
14      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
15      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
16        made the default because of faster convergence than ADI
17    
18    checkpoint50f_post
19    o exf totally restructured
20      - replaced all exf_set_ routines by one generic exf_set_gen.F
21        and made sure it's still differentiable
22      - split exf_getffields.F into new exf_bulkformulae.F
23      - exf_inscal_/exf_outscal_ suffixes consistent with field names
24      - updated adjoint/makefile and relevant verif. accordingly
25    
26    checkpoint50f_pre
27     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
28          + change Evap over land. (update aim.5l_cs output)
29     o added missing .cvsignores and made uniform across expts
30     o changed configuration of tidal_basin_2d expt
31     o added pkg/debug functions for tracing code in fatal crashes
32     o tidied pkg/monitor to use MONITOR_OPTIONS.h
33     o new fn in pkg/monitor to stop model if solution grows too big
34     o removed lots of single quotes from comments
35    
36    checkpoint50e_post
37    o make KPP work with PTRACERS
38     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
39       nearly a copy of kpp_transport_s
40     - there is no analogue to SurfaceTendencyS, so I have to use
41       gPtr(of the surface layer) instead
42    o add a new platform SunFire+mpi (SunFire 15000) to genmake
43    checkpoint50e_pre
44    
45    checkpoint50d_post
46    o change kpp output from multiple-record state files to single-record state
47      files analogous to write_state.F
48    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
49      analogous to the cg2d-related output.
50    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
51      so that writing to internal file fn (with length 512) fails.
52    checkpoint50d_pre
53    
54    checkpoint50c_post
55    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
56    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
57    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
58    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
59    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
60    
61    checkpoint50c_pre
62    Merging from release1_p13:
63    o bug fix for pkg/seaice dynamic solver
64    o Added SEAICE_initialHEFF to pkg/seaice
65    
66    checkpoint50b_post
67    o store u*,v* in gU,V instead of in guNm1,gvNm1
68    o in order to put the momForcing out of the Adams-Bashforth:
69      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
70      to timestep.F
71    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
72    o re-generate output for highly sensitive test-exp:
73       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
74    
75    checkpoint50b_pre
76    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
77    o corrected CPP option mismatch in exf_Bulk... functions for case
78      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
79    
80    checkpoint50a_post
81    o Bug fix for merging between c50 and KPP.
82      ikey was passed from thermodynamics to kpp_calc via
83      common block rather than being recomputed in kpp_calc,
84      in contradiction with new key itdkey.
85      New key ikppkey created, and tamc.h headers updated.
86    
87    checkpoint50
88    - 2nd step of merge with ecco-branch:
89      merge changes in ecco-branch back into main trunk
90    - bug fix in find_alpha
91    - more storing in gmredi_calc_tensor.F, kpp_routines.F
92    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
93    - merged some sliced AD support routines
94    
95    checkpoint49
96    merged from ecco-branch:
97    o exf:
98      - Enable initialisation of forcing fields to constant
99        (runtime) values.
100      - in exf_getffields.F
101        Reduce i-/j-loop to interior domain, discarding overlaps.
102        That also fixes wrong TAF-key computations for key_1, key_2
103        with bulf formulae.
104      - exf_init.F modify #ifdef for exf_init_evap
105      - exf_getffieldrec.F, ctrl_getrec.F
106        The following INT-usages are not safe:
107          fldsecs  = int(fldsecs/fldperiod)*fldperiod
108          fldcount = int(fldsecs/fldperiod) + 1
109        and were modified.
110    o autodiff: checkpoint_lev...
111      - updated storing for bulk formulae (some arrays were missing)
112      - added state for seaice package
113      - synchronized with main branch
114    o DIVA:
115      Modif.s in
116      - the_main_loop.F
117      - the_model_main.F
118      and added cost_final_restore.F cost_final_store.F
119      o With these changes, it is possible to fully separate
120        the first forward run to compute the cost function (mdthe_main_loop)
121        and adjoint runs over individual DIVA intervals (adthe_main_loop)
122        into separate model executions.
123        This enables better tuning of DIVA to given queue sizes.
124      o Loss of cost function value in consecutive DIVA runs is
125        fixed by storing to 'costfinal' file.
126      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
127        beginning/end of adjoint integration is accounted for.
128      The current changes apply to TAF-1.4.26.
129      TAF has one remaining bug, requiring one manual change
130      (see MITgcm manual).
131    o cal: synchronized between MAIN and ecco-branch
132    
133    checkpoint48i_post
134    o Changes to restore differentiability of code w.r.t. previous tag
135      (mostly adding new routines to make list and replacing
136      pressure by totPhiHyd).
137    o Updated and merged grdchk package
138      - has both ADM and TLM checks
139      - works for single- and multi-proc.
140      - output cleaned
141      - worked successfully for parallel DIVA
142    o genmake:
143      - Adding -platform=SP4
144      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
145    o Modif. for DIVA:
146      ctrl_unpack should not be called in intermediate DIVA interval.
147      (similar thing would apply for active files such as
148      tbar, sbar, psbar, which should not be reinitialised;
149      only relevant for ecco-branch)
150    
151    checkpoint48h_post
152    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
153    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
154    o Added SEAICE_initialHEFF to pkg/seaice
155    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
156    
157    checkpoint48g_post
158    --- EOS:
159    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
160      store total Potential in totPhyHyd for diagnostics & EOS.
161    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
162    --- Pressure/geopotential gradient:
163    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
164    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
165      ( changes results of global_ocean_pressure )
166    o NLFS + z-coord.: add eta*Rho' contribution.
167    o accurate phiHyd when using interface-W at the middle between 2 centers
168     ( changes results of ideal_2D_oce )
169    o includes r* 2nd term in potential gradient.
170    
171    checkpoint48f_post
172    Merging from release1_p12:
173    o Modifications for using pkg/exf with pkg/seaice
174      - improved description of the various forcing configurations
175      - added basic radiation bulk formulae to pkg/exf
176      - units/sign fix for evap computation in exf_getffields.F
177      - updated verification/global_with_exf/results/output.txt
178    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
179      (SBO) core products, including oceanic mass, center-of-mass,
180      angular, and bottom pressure (see pkg/sbo/README.sbo).
181    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
182      to avoid negative values in shallow regions.
183      - updated verification/natl_box/results/output.txt
184      - updated verification/lab_sea/results/output.txt
185    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
186    o Added useSingleCpuIO option (see PARAMS.h).
187    o Updated useSingleCpuIO option in mdsio_writefield.F to
188      work with multi-field files, e.g., for single-file pickup.
189    o pkg/seaice:
190      - bug fix in growth.F: QNET for no shortwave case
191      - added HeffFile for specifying initial sea-ice thickness
192      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
193    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
194      kpp_transport_t.F, forward_step.F, and the_main_loop.F
195    o pkg/seaice:
196      - adjoint-friendly modifications
197      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
198    
199    checkpoint48e_post
200    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
201    o dynamics: change definition of computational domain & adapt mom_fluxform
202      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
203    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
204        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
205        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
206        global_ocean.90x40x15 global_with_exf global_ocean_pressure
207        inverted_barometer solid-body.cs-32x32x1
208      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
209    
210    checkpoint48d_post
211    o in preparation for r*:
212     a) use pre-computed gradient of hydrostatic potential:
213        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
214     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
215        => affects results of glob_oce_pressure (different truncation error)  
216      update output.txt of ideal_2D_oce & global_ocean_pressure
217    
218    checkpoint48d_pre
219    o in preparation for r*:
220      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
221      pass the 2 comp. of the grad. as arguments to momentum S/R.
222      but for the moment, only used if it does not change the results.
223    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
224    
225    checkpoint48c_post
226    Modifications in treatment of initial flux forcing controls
227    to avoid extra storing of flux fields.
228    
229    checkpoint48c_pre
230    o Added tidal_basin_2d experiment (currently 1D!)
231    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
232    
233    checkpoint48b_post
234    o r* coordinate added in #ifdef NONLIN_FRSURF block.
235     (modification to pressure gradient not yet implemented)
236    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
237      (for U & V) that are used for vertical advection of momentum.
238    
239    checkpoint48a_post
240    o In preparation for r*, use temp. array to compute vertical transport
241       in flux-form momentum pkg. => change results of few test-exp.
242      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
243                        lab_sea, natl_box & plume_on_slope
244    
245    checkpoint48
246    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
247    
248    checkpoint47j_post
249    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
250    o moved adexch from forward_step to addummy_in_stepping
251    o added exch in ctrl_map_...
252    o aveFreq.=0. at end of cost_final to avoid overwrite in
253      reverse checkpointing loop
254    o Yet more changes in gmredi:
255      * adgmredi_calc_tensor
256        avoiding all recomputation of gmredi_slope_limit
257      * adgmredi_x/y/rtransport
258        added flag for excessive storing to avoid recomp. of
259        u/v/rtans, dTdx/y/z
260        -> this is not really necessary and very memory-consuming
261      * adgmredi_slope_psi:
262        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
263      * gmredi_slope_limit
264        re-activated full calculation of taperfct for case 'ac02'
265    o updating verification/ adjoints of carbon, global_ocean.90x40x15
266    
267    checkpoint47i_post
268    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
269    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
270      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
271    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
272    o gmredi: fix few bugs.
273    
274    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
275    This will be a good checkpoint to plug into the ecco-branch.
276    o few modif.'s to get latest version adjointed
277      (mainly kick out code in ini_linear_phisurf)
278    o modif's to run adjoint with exactConserv
279    o case GM_BOLUS_ADVEC should be cleaned
280      S/R gmredi_slope_psi should be cleaned
281    o verification/carbon now has exactConserv=.TRUE.
282    
283    checkpoint47g_post
284    o time-average AIM output: becomes independent from statvars time-average
285      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
286    o After TAF bug fix:
287      Tested adjoint of gmredi package.
288      Tests were done with checkpoint47 rather than with latest
289      checkpoint47f_post since the latter is broken for the adjoint
290      verification/carbon/ contains both ADM and TLM gradient checks.
291    Here they are, before they get changed/lost/stolen.
292    Mostly modif.'s to fix numerical sensitivities.
293    Gradient checks OK for
294    - GM_taper_scheme:
295      * clipping
296      * ac02
297      * linear
298      * glw91
299      * dm95
300      * ldd97
301    - GMREDI_OPTIONS:
302      * GM_VISBECK_VARIABLE_K
303      * GM_NON_UNITY_DIAGONAL
304      * GM_EXTRA_DIAGONAL
305      * GM_BOLUS_ADVEC
306    in conjunction with data.gmredi parameters to be checked in
307    in a few minutes under verification/carbon/code/
308    
309    checkpoint47f_post
310    Merging from release1_p10:
311    o modifications for using pkg/exf with pkg/seaice
312      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
313        and SEAICE_EXTERNAL_FLUXES
314      - pkg/exf CPP options EXF_READ_EVAP and
315        EXF_NO_BULK_COMPUTATIONS
316      - usage examples are Experiments 8 and 9 in
317        verification/lab_sea/README
318      - verification/lab_sea default experiment now uses
319        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
320    
321    checkpoint47e_post
322    o created a tag prior to creating a branch
323    
324    checkpoint47d_post
325    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
326      at the bottom boundary had an erroneous half slip boundary condition
327    o added bottom drag and no slip boundary condition capabilities to
328      oceanic pressure coordinates code
329    o added new verification experiment global_ocean_pressure, this experiment is
330      also described in the tutorial section of the manual
331    checkpoint47d_pre
332    
333    checkpoint47c_post
334    o Added a verification experiment for a global cubed-sphere ocean run
335      -  verification/global_ocean.cubed32x32x30
336      -  uses pkg/therm_seaice and pkg/bulk_forcing
337    
338    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
339    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
340      when using P-coordinate; only implemented for atmospheric config.
341    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
342      NOTES: requires option NONLIN_FRSURF to be "#define".
343    o update advect_xz/results/output.txt (left from checkpoint44g_post)
344    
345    checkpoint47b_post
346    Merging from release1_p9:
347    o pkg/seaice
348      - removed GOTO's and added taf directives
349      - double precision constants to reduce the g77 (Linux)
350        to F77 (SGI) differences reported in release1_p8
351    o tools/genmake
352      - added SGI options
353    o verification/testscript
354      - updated to that of checkpoint47a_post
355    o verification/global_ocean.90x40x15/input/eedata
356      - modified for SGI f77 compatibility
357    o verification/lab_sea
358      - added description of sea-ice model
359      - added missing matlab routines
360      - added test of thermodynamics parallelization
361    
362    checkpoint47a_post
363    o new pkg: aim_v23
364     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
365       for now, keep the same surface forcing as before.
366     - Part-Cell implemented into AIM; check that Heat & Water are conserved
367     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
368     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
369    o add diagnostic of surface correction term in monitor output
370    
371    o bulk_force and therm_seaice
372    - Two packages:  bulk_force (Bulk forcing)
373      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
374    - Earlier integration from Stephaine Dutkiewicz
375      and Patrick Heimbach.
376    - Two ifdef statements for compile time,
377       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
378    
379    checkpoint47
380    differentiable version of checkpoint46n_post
381    o bug fix in quasihydrostaticterms
382    o * "clean" adjoint code (in terms of extensive recomputations)
383        can now be obtained for all GMREDI options (i.e. for
384        - GM_VISBECK_VARIABLE_K
385        - GM_NON_UNITY_DIAGONAL
386        - GM_EXTRA_DIAGONAL
387        - GM_BOLUS_ADVEC )
388      * However, wrong gradient check problem remains unsolved.
389      * New CPP options have been introduced for different
390        tapering schemes
391    o external_fields_load now part of differentiation list
392    o pressure needs multiple storing;
393      would be nice to have store_pressure at beginning or
394      end of forward_step, e.g. by having phiHyd global (5-dim.)
395      (NB: pressure is needed for certain cases in find_rho,
396      which is also invoked through convective_adjustment).
397    o recomputations in find_rho for cases
398     'JMD95'/'UNESCO' or 'MDJWF' are OK.
399    o #define ATMOSPHERIC_LOADING should be differentiable
400    o ini_forcing shifted to begining of initialise_varia
401    o Incorporating QNVS line search routines into MITgcm
402      (this is separate code, and therefore not under pkg)
403      lsopt/, optim/
404    o Updated verification/carbon/
405      - #define GM_VISBECK_VARIABLE_K
406      - GM_taper_scheme    = 'ldd97'    
407    
408    checkpoint46n_post
409    Merging from release1_p8:
410    o verification/natl_box:
411      updating new external_fields_load routine
412    o New package: pkg/seaice
413      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
414      The sea-ice code is based on Hibler (1979-1980).
415      Two sea-ice dynamic solvers, ADI and LSR, are included.
416      In addition to computing prognostic sea-ice variables and diagnosing
417      the forcing/external data fields that drive the ocean model,
418      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
419      The implied surface heat flux is then stored in variable
420      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
421      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
422      non-local transport term.  Because this call precedes model
423      thermodynamics, temperature under sea-ice may not be "exactly" at
424      the freezing point by the time theta is dumped or time-averaged.
425      N.B.: fairly large differences in accuracy occur across
426            different platforms/compilers; comparison between
427            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
428            generated output gives:
429       T           S           U           V
430      C D M    c        m  s        m  s        m  s        m  s
431      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
432      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
433      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
434    
435      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
436    o GAD:
437      - generated new common blocks to account for call of
438        same gad routines with differing traceridentities
439        (needed to modify tracerIdentity indices in GAD.h)
440      - generated separate common blocks for case useCubedSphereExchange
441        (Department of Futurology)
442      - parameter lists to gmredi_?transport: added tracerIdentity
443      - added new key indices to tamc.h
444    o external_fields_load:
445      - added this routine to TAF list
446      - needed to make some common blocks global and additional storing
447        along the same lines as exf package (checkpoint_lev?_directives.h)
448    o exf:
449      updated external forcing package
450      - bug fixes carried over from ecco-branch
451        (missing OBCS_OPTIONS.h in two routines)
452      - enable easy to use "no forcing".
453      - added exf I/O for atmospheric loading
454      - added exf I/O for runoff data
455      - transfered scaling between exf <-> MITgcm to exf namelist
456    o Adding new verification experiment global_with_exf.
457      This verification experiment is almost identical to the
458      global_ocean.90x40x15 experiment, except that it uses
459      the exf (and cal) package instead of the
460      external_fields_load routine (cf README file).
461    
462    checkpoint46m_post
463    o modified testscript to return -- when there are no lines of "%MON" output
464    o added new flag "quasiHydrostatic" for QH mode
465      and new routine quasihydrostaticterms()
466    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
467      New routine: mom_u_coriolis_nh()
468    o fixed sign of non-hydrostatic metric terms in u and v equations.
469      Depend on correct sign of gravitySign.
470    o added work.pc* to .cvsignore in aim directories using ifc
471    o introduced flag for controllin non-hydrostatic metric terms
472    o removed gravitySign from PARM04
473    o switched to g77/ifc from pgf77 in aim experiments
474    
475    checkpoint46l_post
476    o made convective adjustment work with pressure coordinates:
477     - changed the direction of k-loop in convective_adjustment.F for the
478       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
479     - adjusted the reference pressure k-index in convective_adjustment.F
480     - adjusted the convection condition in convect.F (in analogy to
481       calc_ivdc.F)
482     - convective_adjustment no longer computes anything on the halos
483     - removed the warnings about negative salinity from find_rho.F and
484       find_alpha.F; instead the new routine look_for_neg_salinity, called
485       at the beginning of find_rho, find_alpha, and find_beta, does a
486       check of the entire slice, if CPP-option
487       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
488    checkpoint46l_pre
489    
490    checkpoint46k_post
491    o fixed the verification/global_ocean.90x40x15 experiment:
492     - new bathymetry (the world according to A., JMC, and M.)
493     - new initial fields and forcing fields (*.bin files)
494     - new POLY3.COEFFS (for the next release one should switch to a full
495       equation of state: JMD95P or MDJWF)
496     - fixed several errors and redundancies in the data file
497     - experiment uses looped cells
498     - added matlab directory with diagnostic scripts for plotting of output
499    
500    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
501     - read AIM physics parameters from a file (data.aimphys)
502     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
503    
504    checkpoint46j_post
505    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
506    o move wVel computation at the end of the time step, in S/R integr_continuity
507    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
508    o update timeave pkg for wVel diagnostic.
509    checkpoint46j_pre
510    
511    checkpoint46i_post
512    o Clean up AIM package (and keep the results unchanged):
513      include CPP_OPTION and use IMPLICT NONE in all routines ;
514      declare all the variables _RL ; use _d 0 for all numerical constants.
515      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
516    
517    checkpoint46h_post
518    o cleaned up the use of rhoNil and rhoConst.
519      - rhoNil should only appear in the LINEAR equation of state, everywhere
520        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
521        and the dynamical equations are all divided by rhoConst
522    o introduced new parameter rhoConstFresh, a reference density of fresh
523      water, to remove the fresh water flux's dependence on rhoNil. The default
524      value is 999.8 kg/m^3
525    o cleanup up external_forcing.F and external_forcing_surf.F
526      - can now be used by both OCEANIC and OCEANICP
527    checkpoint46h_pre
528    
529     Added code to convert surface volume flux (fresh water) into
530     a mass flux when using P coordinates in the ocean (OCEANICP).
531     Note: It assumes you have set rho0=rhoConst=density of fresh water.
532    
533    checkpoint46g_post
534    o Include a new diagnostic variable phiHydLow for the ocean model
535      - in z-coordinates, it is the bottom pressure anomaly
536      - in p-coordinates, it is the sea surface elevation
537      - in both cases, these variable have global drift, reflecting the mass
538        drift in z-coordinates and the volume drift in p-coordinates
539      - included time averaging for phiHydLow, be aware of the drift!
540    o depth-dependent computation of Bo_surf for pressure coordinates
541      in the ocean (buoyancyRelation='OCEANICP')
542      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
543        Theta, Salinity, and Pressure in the parameter list. This routine is
544        presently contained in find_rho.F. This routine does not give the
545        correct density for 'POLY3', which would be a z-dependent reference
546        density.
547    o cleaned up find_rho
548      - removed obsolete 'eqn' from the parameter list.
549    o added two new verification experiments: gop and goz
550      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
551    checkpoint46g_pre
552    
553    checkpoint46f_post
554    o Enable tangent linear (forward mode) gradient checks:
555      - extended active file handling to g_... files
556      - added TANGENT_SIMULATION to theSimulationMode
557      - extended grdchk package accordingly
558    o added tangent linear setup in verification/carbon/code_ftl
559    o added adjoint setup in verification/front_relax/code_ad
560    
561    checkpoint46e_post
562    o Added new equation of state -> MDJWF
563      - EOS of McDougall et al., 2002, JAOT, submitted
564      - caveat: the equation of state is only valid for a smaller (more
565        realistic?) range of values than JMD95P/Z and UNESCO
566      - added masks to the calculation of pressure in store_pressure
567      - added more check values for density in check_eos (ini_eos.F), some of
568        the old check values are out of the range of the MDJWF-eos, so don't
569        expect perfect matches for those
570    checkpoint46e_pre
571    
572    checkpoint46d_post
573    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
574      'OCEANICP', also initialised field pressure correctly in ini_eos in the
575      case of pressure coordinates. eosType='JMD95Z' in
576      combination with buoyancyRelation='OCEANICP' now causes an error.
577    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
578      in find_alpha/beta.
579    checkpoint46d_pre
580    
581    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
582      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
583    
584    checkpoint46c_post
585    o Changes necessary for ocean in p-coordinates
586     -  Added new buoyancy relation = 'OCEANICP'
587     -  Added new parameters = gravitySign (this used to be contained inside
588        the factor dRdZ which I added when we first switched to R coordinates).
589     X GM/Redi is not compatible (yet)
590     X bottom drag and no-slip need to be debugged.
591    checkpoint46c_pre
592    
593    checkpoint46b_post
594    o Added new equation of state -> JMD95Z and JMD95P
595      - EOS of Jackett and McDougall, 1995, JAOT
596      - moved all EOS parameters into EOS.h
597      - new routines ini_eos.F, store_pressure.F
598    o Added UNESCO EOS, but not recommended because it requires
599      in-situ temperature (see JMD95)
600    o Modified formatting for knudsen2.f in utils/knudsen2 and added
601      unesco.f to be used with POLY3
602    checkpoint46b_pre
603    
604    checkpoint46a_post
605    o Added (atmospheric) pressure loading
606      - new field in FFIELDS.h, etc...
607      - new cpp flag ATMOSPHERIC_LOADING
608    o Changed hFacC to _hFacC in calc_phi_hyd.F
609    o Added SHORTWAVE_HEATING to some files for consistency
610    checkpoint46a_pre
611    
612    checkpoint46
613    further merges from release1_p5
614    o new ctrl package
615      - adopted from ECCO environment to enable optimization
616      - added Eliassen Palm fluxes to controls
617    o added Eliassen Palm flux controls to gradient check package
618    o cost package
619      - Compatible with new ctrl package
620      - added Eliassen Palm cost hooks
621      - modif's of existing cost functions
622    o Adjoint-related bug fixes in kpp:
623      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
624      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
625    o autodiff package
626      - flow directives:
627        + new for S/R do_the_model_io
628        + enhanced for S/R checkpoint
629        + new gmredi.flow
630      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
631        disable adcommon.h/g_common.h by default.
632      - fixed problem for adjoint of global_max
633    o modified verification/carbon/
634    o New setup for adjoint of global_ocean
635    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
636    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
637    o incorporated hooks for sponge layer code (external_forcing.F)
638    
639    checkpoint45d_post
640    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
641    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
642      (affects plume_on_slope "cg2d" output)
643    o add new parameter deltaTfreesurf for free-surface time stepping
644    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
645    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
646    o change phiMin in exp1 (to agree with documentation)
647    o add new flags:
648     - T,S forcing inside/outside Adams-Bashforth
649     - turn off temp,salt advection and/or forcing
650     - for each tracer, define internal flag for multiDimAdvection & A-B
651    o monitor: change definition of KE to check conservation of Energy
652    
653    checkpoint45c_post
654    o Removed f90 comments ("!")
655    o Modified initialisations to enable exf package for MITgcm
656      (without invoking ECCO_PACKAGE).
657    o modifications to gradient check package (Martin Losch)
658      - enable centered differences
659      - modified format of standard output
660    
661    checkpoint45b_post
662    o cleaned exchange calls in cg2d
663    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
664    o included CPP option SINGLE_LAYER_MODE in thermodynamics
665      to configure barotropic setup (Martin Losch)
666    o moved some initialisations within bi,bj loop in dynamics
667      (TAF flow dependency)
668    o in initialise_varia, moved call packages_init_variables
669      before convective_adjustment_init
670      (corresponding adjustment of TAF tape initialisation).
671    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
672    
673    checkpoint45a_post
674    o compute Rho over the whole domain (extend iMin,jMin indices)
675    o specific exchange for X-slice domain (case Ny=1)
676    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
677    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
678    
679    checkpoint44h_post = checkpoint45
680    o Fix to restore differentiability:
681      place at which packages_init_variables is called in
682      initialise_varia is crucial for reverse control flow.
683    o modifications in GMRedi to enable stable adjoint
684      (corresponding modif's in thermodynamics, dynamics)
685    o added missing hook for sponge layer code in external_forcing
686    o modified test cost functions
687    o storing in gad_advection (plus removal of write(0,*)!
688    o missing headers TR1.h added in convective_adjustment routines
689    o errorMessageUnit set non-equal zero in eeboot
690      (conflict on some platforms, e.g. IBM SP3)
691    o modified carbon verif.
692    
693    checkpoint44h_pre
694    o vertical grid option: allow to put the Interface at the middle between
695      2 cell-centers ; replace delZ in pkg/kpp by drF.
696    o GM Advective form: Tracers are advected using the residual transport (=
697      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
698    
699    checkpoint44g_post
700    o fix surface correction term in multiDimAdvection (affects plume_on_slope
701      results) ; ifdef missing in thermodynamics.F
702    
703    checkpoint44f_pre,checkpoint44f_post
704    o added PTRACERS package
705      This allows an arbitrary number of passive tracers to be integrated
706      forward simultaneously with the dynamicaly model.
707      + Implemented so far:
708        - basic forward algorithm (time-stepping, advection, diffusion, convection)
709        - I/O and checkpointing
710        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
711      + Not implemented so far:
712        - KPP
713        - OBCS
714      + No specific example supplied (yet) but global_ocean.90x40x15 has the
715        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
716        line in data.pkg.
717      + This package is disabled by default since it increases storage.
718    
719    
720    o testscript: added -cleanup option
721    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
722                 b) enable to filter 2D fields.
723    
724    checkpoint44e_pre,post
725    o re-wrote convective adjustment to use pre-calculated weights
726      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
727      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
728      Original calls to convect() still in place.
729    
730    chkpt44d_pre,post
731    o added missing EXCLUDE_MONITOR flags
732    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
733      (incompatible typ in MIN/MAX expressions caused problems
734      on IBM SP3)
735    o in genmake added variable MAKEDEPEND
736      plus resetting for case SunOS
737    o added timer_stats.c routine for IBM SP3
738    o removed variables in dynamics
739    !!! I forgot to create tag chkpt44d_pre !!!
740    !!! But chkpt44d_pre = chkpt44c_post    !!!
741    
742    o real fresh water flux implemented with non-linear free-surface.
743    
744    chkpt44c_pre,post
745    o few fix (mask in shap_s2, EmPmR in external_field_load,
746      USE_NATURAL_BCS in solve_for_P);
747    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
748    
749  checkpoint44b_pre/_post  checkpoint44b_pre/_post
750  o merge of relevant stuff from the ecco-branch:  o merge of relevant stuff from the ecco-branch:
751    - genmake: removed $S64 overwrite for case SunOS    - genmake: removed $S64 overwrite for case SunOS
# Line 15  o merge of relevant stuff from the ecco- Line 758  o merge of relevant stuff from the ecco-
758                 added directive for divided adjoint in the_main_loop                 added directive for divided adjoint in the_main_loop
759    - pkg/mdsio: added mdsio_gl_slice    - pkg/mdsio: added mdsio_gl_slice
760    
 next checkpoint:  
761  o check parameters & config (chkpt44a_pre,post)  o check parameters & config (chkpt44a_pre,post)
762  o OBC and NonLin_FrSurf.  o OBC and NonLin_FrSurf.
763    

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