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revision 1.52 by heimbach, Thu Sep 27 20:13:58 2001 UTC revision 1.159 by heimbach, Fri May 23 18:44:58 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint50f_post
7    o exf totally restructured
8      - replaced all exf_set_ routines by one generic exf_set_gen.F
9        and made sure it's still differentiable
10      - split exf_getffields.F into new exf_bulkformulae.F
11      - exf_inscal_/exf_outscal_ suffixes consistent with field names
12      - updated adjoint/makefile and relevant verif. accordingly
13    
14    checkpoint50f_pre
15     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
16          + change Evap over land. (update aim.5l_cs output)
17     o added missing .cvsignores and made uniform across expts
18     o changed configuration of tidal_basin_2d expt
19     o added pkg/debug functions for tracing code in fatal crashes
20     o tidied pkg/monitor to use MONITOR_OPTIONS.h
21     o new fn in pkg/monitor to stop model if solution grows too big
22     o removed lots of single quotes from comments
23    
24    checkpoint50e_post
25    o make KPP work with PTRACERS
26     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
27       nearly a copy of kpp_transport_s
28     - there is no analogue to SurfaceTendencyS, so I have to use
29       gPtr(of the surface layer) instead
30    o add a new platform SunFire+mpi (SunFire 15000) to genmake
31    checkpoint50e_pre
32    
33    checkpoint50d_post
34    o change kpp output from multiple-record state files to single-record state
35      files analogous to write_state.F
36    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
37      analogous to the cg2d-related output.
38    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
39      so that writing to internal file fn (with length 512) fails.
40    checkpoint50d_pre
41    
42    checkpoint50c_post
43    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
44    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
45    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
46    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
47    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
48    
49    checkpoint50c_pre
50    Merging from release1_p13:
51    o bug fix for pkg/seaice dynamic solver
52    o Added SEAICE_initialHEFF to pkg/seaice
53    
54    checkpoint50b_post
55    o store u*,v* in gU,V instead of in guNm1,gvNm1
56    o in order to put the momForcing out of the Adams-Bashforth:
57      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
58      to timestep.F
59    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
60    o re-generate output for highly sensitive test-exp:
61       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
62    
63    checkpoint50b_pre
64    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
65    o corrected CPP option mismatch in exf_Bulk... functions for case
66      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
67    
68    checkpoint50a_post
69    o Bug fix for merging between c50 and KPP.
70      ikey was passed from thermodynamics to kpp_calc via
71      common block rather than being recomputed in kpp_calc,
72      in contradiction with new key itdkey.
73      New key ikppkey created, and tamc.h headers updated.
74    
75    checkpoint50
76    - 2nd step of merge with ecco-branch:
77      merge changes in ecco-branch back into main trunk
78    - bug fix in find_alpha
79    - more storing in gmredi_calc_tensor.F, kpp_routines.F
80    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
81    - merged some sliced AD support routines
82    
83    checkpoint49
84    merged from ecco-branch:
85    o exf:
86      - Enable initialisation of forcing fields to constant
87        (runtime) values.
88      - in exf_getffields.F
89        Reduce i-/j-loop to interior domain, discarding overlaps.
90        That also fixes wrong TAF-key computations for key_1, key_2
91        with bulf formulae.
92      - exf_init.F modify #ifdef for exf_init_evap
93      - exf_getffieldrec.F, ctrl_getrec.F
94        The following INT-usages are not safe:
95          fldsecs  = int(fldsecs/fldperiod)*fldperiod
96          fldcount = int(fldsecs/fldperiod) + 1
97        and were modified.
98    o autodiff: checkpoint_lev...
99      - updated storing for bulk formulae (some arrays were missing)
100      - added state for seaice package
101      - synchronized with main branch
102    o DIVA:
103      Modif.s in
104      - the_main_loop.F
105      - the_model_main.F
106      and added cost_final_restore.F cost_final_store.F
107      o With these changes, it is possible to fully separate
108        the first forward run to compute the cost function (mdthe_main_loop)
109        and adjoint runs over individual DIVA intervals (adthe_main_loop)
110        into separate model executions.
111        This enables better tuning of DIVA to given queue sizes.
112      o Loss of cost function value in consecutive DIVA runs is
113        fixed by storing to 'costfinal' file.
114      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
115        beginning/end of adjoint integration is accounted for.
116      The current changes apply to TAF-1.4.26.
117      TAF has one remaining bug, requiring one manual change
118      (see MITgcm manual).
119    o cal: synchronized between MAIN and ecco-branch
120    
121    checkpoint48i_post
122    o Changes to restore differentiability of code w.r.t. previous tag
123      (mostly adding new routines to make list and replacing
124      pressure by totPhiHyd).
125    o Updated and merged grdchk package
126      - has both ADM and TLM checks
127      - works for single- and multi-proc.
128      - output cleaned
129      - worked successfully for parallel DIVA
130    o genmake:
131      - Adding -platform=SP4
132      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
133    o Modif. for DIVA:
134      ctrl_unpack should not be called in intermediate DIVA interval.
135      (similar thing would apply for active files such as
136      tbar, sbar, psbar, which should not be reinitialised;
137      only relevant for ecco-branch)
138    
139    checkpoint48h_post
140    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
141    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
142    o Added SEAICE_initialHEFF to pkg/seaice
143    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
144    
145    checkpoint48g_post
146    --- EOS:
147    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
148      store total Potential in totPhyHyd for diagnostics & EOS.
149    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
150    --- Pressure/geopotential gradient:
151    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
152    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
153      ( changes results of global_ocean_pressure )
154    o NLFS + z-coord.: add eta*Rho' contribution.
155    o accurate phiHyd when using interface-W at the middle between 2 centers
156     ( changes results of ideal_2D_oce )
157    o includes r* 2nd term in potential gradient.
158    
159    checkpoint48f_post
160    Merging from release1_p12:
161    o Modifications for using pkg/exf with pkg/seaice
162      - improved description of the various forcing configurations
163      - added basic radiation bulk formulae to pkg/exf
164      - units/sign fix for evap computation in exf_getffields.F
165      - updated verification/global_with_exf/results/output.txt
166    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
167      (SBO) core products, including oceanic mass, center-of-mass,
168      angular, and bottom pressure (see pkg/sbo/README.sbo).
169    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
170      to avoid negative values in shallow regions.
171      - updated verification/natl_box/results/output.txt
172      - updated verification/lab_sea/results/output.txt
173    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
174    o Added useSingleCpuIO option (see PARAMS.h).
175    o Updated useSingleCpuIO option in mdsio_writefield.F to
176      work with multi-field files, e.g., for single-file pickup.
177    o pkg/seaice:
178      - bug fix in growth.F: QNET for no shortwave case
179      - added HeffFile for specifying initial sea-ice thickness
180      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
181    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
182      kpp_transport_t.F, forward_step.F, and the_main_loop.F
183    o pkg/seaice:
184      - adjoint-friendly modifications
185      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
186    
187    checkpoint48e_post
188    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
189    o dynamics: change definition of computational domain & adapt mom_fluxform
190      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
191    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
192        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
193        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
194        global_ocean.90x40x15 global_with_exf global_ocean_pressure
195        inverted_barometer solid-body.cs-32x32x1
196      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
197    
198    checkpoint48d_post
199    o in preparation for r*:
200     a) use pre-computed gradient of hydrostatic potential:
201        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
202     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
203        => affects results of glob_oce_pressure (different truncation error)  
204      update output.txt of ideal_2D_oce & global_ocean_pressure
205    
206    checkpoint48d_pre
207    o in preparation for r*:
208      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
209      pass the 2 comp. of the grad. as arguments to momentum S/R.
210      but for the moment, only used if it does not change the results.
211    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
212    
213    checkpoint48c_post
214    Modifications in treatment of initial flux forcing controls
215    to avoid extra storing of flux fields.
216    
217    checkpoint48c_pre
218    o Added tidal_basin_2d experiment (currently 1D!)
219    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
220    
221    checkpoint48b_post
222    o r* coordinate added in #ifdef NONLIN_FRSURF block.
223     (modification to pressure gradient not yet implemented)
224    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
225      (for U & V) that are used for vertical advection of momentum.
226    
227    checkpoint48a_post
228    o In preparation for r*, use temp. array to compute vertical transport
229       in flux-form momentum pkg. => change results of few test-exp.
230      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
231                        lab_sea, natl_box & plume_on_slope
232    
233    checkpoint48
234    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
235    
236    checkpoint47j_post
237    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
238    o moved adexch from forward_step to addummy_in_stepping
239    o added exch in ctrl_map_...
240    o aveFreq.=0. at end of cost_final to avoid overwrite in
241      reverse checkpointing loop
242    o Yet more changes in gmredi:
243      * adgmredi_calc_tensor
244        avoiding all recomputation of gmredi_slope_limit
245      * adgmredi_x/y/rtransport
246        added flag for excessive storing to avoid recomp. of
247        u/v/rtans, dTdx/y/z
248        -> this is not really necessary and very memory-consuming
249      * adgmredi_slope_psi:
250        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
251      * gmredi_slope_limit
252        re-activated full calculation of taperfct for case 'ac02'
253    o updating verification/ adjoints of carbon, global_ocean.90x40x15
254    
255    checkpoint47i_post
256    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
257    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
258      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
259    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
260    o gmredi: fix few bugs.
261    
262    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
263    This will be a good checkpoint to plug into the ecco-branch.
264    o few modif.'s to get latest version adjointed
265      (mainly kick out code in ini_linear_phisurf)
266    o modif's to run adjoint with exactConserv
267    o case GM_BOLUS_ADVEC should be cleaned
268      S/R gmredi_slope_psi should be cleaned
269    o verification/carbon now has exactConserv=.TRUE.
270    
271    checkpoint47g_post
272    o time-average AIM output: becomes independent from statvars time-average
273      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
274    o After TAF bug fix:
275      Tested adjoint of gmredi package.
276      Tests were done with checkpoint47 rather than with latest
277      checkpoint47f_post since the latter is broken for the adjoint
278      verification/carbon/ contains both ADM and TLM gradient checks.
279    Here they are, before they get changed/lost/stolen.
280    Mostly modif.'s to fix numerical sensitivities.
281    Gradient checks OK for
282    - GM_taper_scheme:
283      * clipping
284      * ac02
285      * linear
286      * glw91
287      * dm95
288      * ldd97
289    - GMREDI_OPTIONS:
290      * GM_VISBECK_VARIABLE_K
291      * GM_NON_UNITY_DIAGONAL
292      * GM_EXTRA_DIAGONAL
293      * GM_BOLUS_ADVEC
294    in conjunction with data.gmredi parameters to be checked in
295    in a few minutes under verification/carbon/code/
296    
297    checkpoint47f_post
298    Merging from release1_p10:
299    o modifications for using pkg/exf with pkg/seaice
300      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
301        and SEAICE_EXTERNAL_FLUXES
302      - pkg/exf CPP options EXF_READ_EVAP and
303        EXF_NO_BULK_COMPUTATIONS
304      - usage examples are Experiments 8 and 9 in
305        verification/lab_sea/README
306      - verification/lab_sea default experiment now uses
307        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
308    
309    checkpoint47e_post
310    o created a tag prior to creating a branch
311    
312    checkpoint47d_post
313    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
314      at the bottom boundary had an erroneous half slip boundary condition
315    o added bottom drag and no slip boundary condition capabilities to
316      oceanic pressure coordinates code
317    o added new verification experiment global_ocean_pressure, this experiment is
318      also described in the tutorial section of the manual
319    checkpoint47d_pre
320    
321    checkpoint47c_post
322    o Added a verification experiment for a global cubed-sphere ocean run
323      -  verification/global_ocean.cubed32x32x30
324      -  uses pkg/therm_seaice and pkg/bulk_forcing
325    
326    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
327    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
328      when using P-coordinate; only implemented for atmospheric config.
329    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
330      NOTES: requires option NONLIN_FRSURF to be "#define".
331    o update advect_xz/results/output.txt (left from checkpoint44g_post)
332    
333    checkpoint47b_post
334    Merging from release1_p9:
335    o pkg/seaice
336      - removed GOTO's and added taf directives
337      - double precision constants to reduce the g77 (Linux)
338        to F77 (SGI) differences reported in release1_p8
339    o tools/genmake
340      - added SGI options
341    o verification/testscript
342      - updated to that of checkpoint47a_post
343    o verification/global_ocean.90x40x15/input/eedata
344      - modified for SGI f77 compatibility
345    o verification/lab_sea
346      - added description of sea-ice model
347      - added missing matlab routines
348      - added test of thermodynamics parallelization
349    
350    checkpoint47a_post
351    o new pkg: aim_v23
352     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
353       for now, keep the same surface forcing as before.
354     - Part-Cell implemented into AIM; check that Heat & Water are conserved
355     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
356     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
357    o add diagnostic of surface correction term in monitor output
358    
359    o bulk_force and therm_seaice
360    - Two packages:  bulk_force (Bulk forcing)
361      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
362    - Earlier integration from Stephaine Dutkiewicz
363      and Patrick Heimbach.
364    - Two ifdef statements for compile time,
365       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
366    
367    checkpoint47
368    differentiable version of checkpoint46n_post
369    o bug fix in quasihydrostaticterms
370    o * "clean" adjoint code (in terms of extensive recomputations)
371        can now be obtained for all GMREDI options (i.e. for
372        - GM_VISBECK_VARIABLE_K
373        - GM_NON_UNITY_DIAGONAL
374        - GM_EXTRA_DIAGONAL
375        - GM_BOLUS_ADVEC )
376      * However, wrong gradient check problem remains unsolved.
377      * New CPP options have been introduced for different
378        tapering schemes
379    o external_fields_load now part of differentiation list
380    o pressure needs multiple storing;
381      would be nice to have store_pressure at beginning or
382      end of forward_step, e.g. by having phiHyd global (5-dim.)
383      (NB: pressure is needed for certain cases in find_rho,
384      which is also invoked through convective_adjustment).
385    o recomputations in find_rho for cases
386     'JMD95'/'UNESCO' or 'MDJWF' are OK.
387    o #define ATMOSPHERIC_LOADING should be differentiable
388    o ini_forcing shifted to begining of initialise_varia
389    o Incorporating QNVS line search routines into MITgcm
390      (this is separate code, and therefore not under pkg)
391      lsopt/, optim/
392    o Updated verification/carbon/
393      - #define GM_VISBECK_VARIABLE_K
394      - GM_taper_scheme    = 'ldd97'    
395    
396    checkpoint46n_post
397    Merging from release1_p8:
398    o verification/natl_box:
399      updating new external_fields_load routine
400    o New package: pkg/seaice
401      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
402      The sea-ice code is based on Hibler (1979-1980).
403      Two sea-ice dynamic solvers, ADI and LSR, are included.
404      In addition to computing prognostic sea-ice variables and diagnosing
405      the forcing/external data fields that drive the ocean model,
406      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
407      The implied surface heat flux is then stored in variable
408      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
409      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
410      non-local transport term.  Because this call precedes model
411      thermodynamics, temperature under sea-ice may not be "exactly" at
412      the freezing point by the time theta is dumped or time-averaged.
413      N.B.: fairly large differences in accuracy occur across
414            different platforms/compilers; comparison between
415            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
416            generated output gives:
417       T           S           U           V
418      C D M    c        m  s        m  s        m  s        m  s
419      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
420      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
421      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
422    
423      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
424    o GAD:
425      - generated new common blocks to account for call of
426        same gad routines with differing traceridentities
427        (needed to modify tracerIdentity indices in GAD.h)
428      - generated separate common blocks for case useCubedSphereExchange
429        (Department of Futurology)
430      - parameter lists to gmredi_?transport: added tracerIdentity
431      - added new key indices to tamc.h
432    o external_fields_load:
433      - added this routine to TAF list
434      - needed to make some common blocks global and additional storing
435        along the same lines as exf package (checkpoint_lev?_directives.h)
436    o exf:
437      updated external forcing package
438      - bug fixes carried over from ecco-branch
439        (missing OBCS_OPTIONS.h in two routines)
440      - enable easy to use "no forcing".
441      - added exf I/O for atmospheric loading
442      - added exf I/O for runoff data
443      - transfered scaling between exf <-> MITgcm to exf namelist
444    o Adding new verification experiment global_with_exf.
445      This verification experiment is almost identical to the
446      global_ocean.90x40x15 experiment, except that it uses
447      the exf (and cal) package instead of the
448      external_fields_load routine (cf README file).
449    
450    checkpoint46m_post
451    o modified testscript to return -- when there are no lines of "%MON" output
452    o added new flag "quasiHydrostatic" for QH mode
453      and new routine quasihydrostaticterms()
454    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
455      New routine: mom_u_coriolis_nh()
456    o fixed sign of non-hydrostatic metric terms in u and v equations.
457      Depend on correct sign of gravitySign.
458    o added work.pc* to .cvsignore in aim directories using ifc
459    o introduced flag for controllin non-hydrostatic metric terms
460    o removed gravitySign from PARM04
461    o switched to g77/ifc from pgf77 in aim experiments
462    
463    checkpoint46l_post
464    o made convective adjustment work with pressure coordinates:
465     - changed the direction of k-loop in convective_adjustment.F for the
466       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
467     - adjusted the reference pressure k-index in convective_adjustment.F
468     - adjusted the convection condition in convect.F (in analogy to
469       calc_ivdc.F)
470     - convective_adjustment no longer computes anything on the halos
471     - removed the warnings about negative salinity from find_rho.F and
472       find_alpha.F; instead the new routine look_for_neg_salinity, called
473       at the beginning of find_rho, find_alpha, and find_beta, does a
474       check of the entire slice, if CPP-option
475       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
476    checkpoint46l_pre
477    
478    checkpoint46k_post
479    o fixed the verification/global_ocean.90x40x15 experiment:
480     - new bathymetry (the world according to A., JMC, and M.)
481     - new initial fields and forcing fields (*.bin files)
482     - new POLY3.COEFFS (for the next release one should switch to a full
483       equation of state: JMD95P or MDJWF)
484     - fixed several errors and redundancies in the data file
485     - experiment uses looped cells
486     - added matlab directory with diagnostic scripts for plotting of output
487    
488    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
489     - read AIM physics parameters from a file (data.aimphys)
490     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
491    
492    checkpoint46j_post
493    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
494    o move wVel computation at the end of the time step, in S/R integr_continuity
495    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
496    o update timeave pkg for wVel diagnostic.
497    checkpoint46j_pre
498    
499    checkpoint46i_post
500    o Clean up AIM package (and keep the results unchanged):
501      include CPP_OPTION and use IMPLICT NONE in all routines ;
502      declare all the variables _RL ; use _d 0 for all numerical constants.
503      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
504    
505    checkpoint46h_post
506    o cleaned up the use of rhoNil and rhoConst.
507      - rhoNil should only appear in the LINEAR equation of state, everywhere
508        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
509        and the dynamical equations are all divided by rhoConst
510    o introduced new parameter rhoConstFresh, a reference density of fresh
511      water, to remove the fresh water flux's dependence on rhoNil. The default
512      value is 999.8 kg/m^3
513    o cleanup up external_forcing.F and external_forcing_surf.F
514      - can now be used by both OCEANIC and OCEANICP
515    checkpoint46h_pre
516    
517     Added code to convert surface volume flux (fresh water) into
518     a mass flux when using P coordinates in the ocean (OCEANICP).
519     Note: It assumes you have set rho0=rhoConst=density of fresh water.
520    
521    checkpoint46g_post
522    o Include a new diagnostic variable phiHydLow for the ocean model
523      - in z-coordinates, it is the bottom pressure anomaly
524      - in p-coordinates, it is the sea surface elevation
525      - in both cases, these variable have global drift, reflecting the mass
526        drift in z-coordinates and the volume drift in p-coordinates
527      - included time averaging for phiHydLow, be aware of the drift!
528    o depth-dependent computation of Bo_surf for pressure coordinates
529      in the ocean (buoyancyRelation='OCEANICP')
530      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
531        Theta, Salinity, and Pressure in the parameter list. This routine is
532        presently contained in find_rho.F. This routine does not give the
533        correct density for 'POLY3', which would be a z-dependent reference
534        density.
535    o cleaned up find_rho
536      - removed obsolete 'eqn' from the parameter list.
537    o added two new verification experiments: gop and goz
538      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
539    checkpoint46g_pre
540    
541    checkpoint46f_post
542    o Enable tangent linear (forward mode) gradient checks:
543      - extended active file handling to g_... files
544      - added TANGENT_SIMULATION to theSimulationMode
545      - extended grdchk package accordingly
546    o added tangent linear setup in verification/carbon/code_ftl
547    o added adjoint setup in verification/front_relax/code_ad
548    
549    checkpoint46e_post
550    o Added new equation of state -> MDJWF
551      - EOS of McDougall et al., 2002, JAOT, submitted
552      - caveat: the equation of state is only valid for a smaller (more
553        realistic?) range of values than JMD95P/Z and UNESCO
554      - added masks to the calculation of pressure in store_pressure
555      - added more check values for density in check_eos (ini_eos.F), some of
556        the old check values are out of the range of the MDJWF-eos, so don't
557        expect perfect matches for those
558    checkpoint46e_pre
559    
560    checkpoint46d_post
561    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
562      'OCEANICP', also initialised field pressure correctly in ini_eos in the
563      case of pressure coordinates. eosType='JMD95Z' in
564      combination with buoyancyRelation='OCEANICP' now causes an error.
565    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
566      in find_alpha/beta.
567    checkpoint46d_pre
568    
569    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
570      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
571    
572    checkpoint46c_post
573    o Changes necessary for ocean in p-coordinates
574     -  Added new buoyancy relation = 'OCEANICP'
575     -  Added new parameters = gravitySign (this used to be contained inside
576        the factor dRdZ which I added when we first switched to R coordinates).
577     X GM/Redi is not compatible (yet)
578     X bottom drag and no-slip need to be debugged.
579    checkpoint46c_pre
580    
581    checkpoint46b_post
582    o Added new equation of state -> JMD95Z and JMD95P
583      - EOS of Jackett and McDougall, 1995, JAOT
584      - moved all EOS parameters into EOS.h
585      - new routines ini_eos.F, store_pressure.F
586    o Added UNESCO EOS, but not recommended because it requires
587      in-situ temperature (see JMD95)
588    o Modified formatting for knudsen2.f in utils/knudsen2 and added
589      unesco.f to be used with POLY3
590    checkpoint46b_pre
591    
592    checkpoint46a_post
593    o Added (atmospheric) pressure loading
594      - new field in FFIELDS.h, etc...
595      - new cpp flag ATMOSPHERIC_LOADING
596    o Changed hFacC to _hFacC in calc_phi_hyd.F
597    o Added SHORTWAVE_HEATING to some files for consistency
598    checkpoint46a_pre
599    
600    checkpoint46
601    further merges from release1_p5
602    o new ctrl package
603      - adopted from ECCO environment to enable optimization
604      - added Eliassen Palm fluxes to controls
605    o added Eliassen Palm flux controls to gradient check package
606    o cost package
607      - Compatible with new ctrl package
608      - added Eliassen Palm cost hooks
609      - modif's of existing cost functions
610    o Adjoint-related bug fixes in kpp:
611      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
612      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
613    o autodiff package
614      - flow directives:
615        + new for S/R do_the_model_io
616        + enhanced for S/R checkpoint
617        + new gmredi.flow
618      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
619        disable adcommon.h/g_common.h by default.
620      - fixed problem for adjoint of global_max
621    o modified verification/carbon/
622    o New setup for adjoint of global_ocean
623    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
624    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
625    o incorporated hooks for sponge layer code (external_forcing.F)
626    
627    checkpoint45d_post
628    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
629    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
630      (affects plume_on_slope "cg2d" output)
631    o add new parameter deltaTfreesurf for free-surface time stepping
632    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
633    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
634    o change phiMin in exp1 (to agree with documentation)
635    o add new flags:
636     - T,S forcing inside/outside Adams-Bashforth
637     - turn off temp,salt advection and/or forcing
638     - for each tracer, define internal flag for multiDimAdvection & A-B
639    o monitor: change definition of KE to check conservation of Energy
640    
641    checkpoint45c_post
642    o Removed f90 comments ("!")
643    o Modified initialisations to enable exf package for MITgcm
644      (without invoking ECCO_PACKAGE).
645    o modifications to gradient check package (Martin Losch)
646      - enable centered differences
647      - modified format of standard output
648    
649    checkpoint45b_post
650    o cleaned exchange calls in cg2d
651    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
652    o included CPP option SINGLE_LAYER_MODE in thermodynamics
653      to configure barotropic setup (Martin Losch)
654    o moved some initialisations within bi,bj loop in dynamics
655      (TAF flow dependency)
656    o in initialise_varia, moved call packages_init_variables
657      before convective_adjustment_init
658      (corresponding adjustment of TAF tape initialisation).
659    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
660    
661    checkpoint45a_post
662    o compute Rho over the whole domain (extend iMin,jMin indices)
663    o specific exchange for X-slice domain (case Ny=1)
664    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
665    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
666    
667    checkpoint44h_post = checkpoint45
668    o Fix to restore differentiability:
669      place at which packages_init_variables is called in
670      initialise_varia is crucial for reverse control flow.
671    o modifications in GMRedi to enable stable adjoint
672      (corresponding modif's in thermodynamics, dynamics)
673    o added missing hook for sponge layer code in external_forcing
674    o modified test cost functions
675    o storing in gad_advection (plus removal of write(0,*)!
676    o missing headers TR1.h added in convective_adjustment routines
677    o errorMessageUnit set non-equal zero in eeboot
678      (conflict on some platforms, e.g. IBM SP3)
679    o modified carbon verif.
680    
681    checkpoint44h_pre
682    o vertical grid option: allow to put the Interface at the middle between
683      2 cell-centers ; replace delZ in pkg/kpp by drF.
684    o GM Advective form: Tracers are advected using the residual transport (=
685      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
686    
687    checkpoint44g_post
688    o fix surface correction term in multiDimAdvection (affects plume_on_slope
689      results) ; ifdef missing in thermodynamics.F
690    
691    checkpoint44f_pre,checkpoint44f_post
692    o added PTRACERS package
693      This allows an arbitrary number of passive tracers to be integrated
694      forward simultaneously with the dynamicaly model.
695      + Implemented so far:
696        - basic forward algorithm (time-stepping, advection, diffusion, convection)
697        - I/O and checkpointing
698        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
699      + Not implemented so far:
700        - KPP
701        - OBCS
702      + No specific example supplied (yet) but global_ocean.90x40x15 has the
703        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
704        line in data.pkg.
705      + This package is disabled by default since it increases storage.
706    
707    
708    o testscript: added -cleanup option
709    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
710                 b) enable to filter 2D fields.
711    
712    checkpoint44e_pre,post
713    o re-wrote convective adjustment to use pre-calculated weights
714      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
715      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
716      Original calls to convect() still in place.
717    
718    chkpt44d_pre,post
719    o added missing EXCLUDE_MONITOR flags
720    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
721      (incompatible typ in MIN/MAX expressions caused problems
722      on IBM SP3)
723    o in genmake added variable MAKEDEPEND
724      plus resetting for case SunOS
725    o added timer_stats.c routine for IBM SP3
726    o removed variables in dynamics
727    !!! I forgot to create tag chkpt44d_pre !!!
728    !!! But chkpt44d_pre = chkpt44c_post    !!!
729    
730    o real fresh water flux implemented with non-linear free-surface.
731    
732    chkpt44c_pre,post
733    o few fix (mask in shap_s2, EmPmR in external_field_load,
734      USE_NATURAL_BCS in solve_for_P);
735    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
736    
737    checkpoint44b_pre/_post
738    o merge of relevant stuff from the ecco-branch:
739      - genmake: removed $S64 overwrite for case SunOS
740      - pkg/exf: update and corrections for field swapping and obcs
741      - pkg/ecco: parameter lists for the_model_main, the_main_loop
742                  harmonized between ECCO and MITgcm
743      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
744                      updated checkpointing_lev... lists for obcs
745      - model/src: minor changes in forward_step, plot_field
746                   added directive for divided adjoint in the_main_loop
747      - pkg/mdsio: added mdsio_gl_slice
748    
749    o check parameters & config (chkpt44a_pre,post)
750    o OBC and NonLin_FrSurf.
751    
752    checkpoint44
753    o fix bug in mom_vi_del2uv
754    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
755    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
756    o update AIM experiments (NCEP input files)
757    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
758    o added some stuff for AD
759    
760    checkpoint43
761    o added two new advection tests
762    o added global 4x4 degree ocean test
763    o added test of H&S94 with free surface on cube
764    o some final mods for gradient check, adjoint,...
765    
766  checkpoint42  checkpoint42
767    Fixed AD-related problems:    Fixed AD-related problems:
768  o Store directives up-to-date with re-arranged Adams-Bashforth  o Store directives up-to-date with re-arranged Adams-Bashforth

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