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revision 1.38 by heimbach, Tue Apr 10 22:35:24 2001 UTC revision 1.146 by heimbach, Tue Mar 25 22:48:11 2003 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o corrected CPP option mismatch in exf_Bulk... functions for case
7      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
8    
9    checkpoint50a_post
10    o Bug fix for merging between c50 and KPP.
11      ikey was passed from thermodynamics to kpp_calc via
12      common block rather than being recomputed in kpp_calc,
13      in contradiction with new key itdkey.
14      New key ikppkey created, and tamc.h headers updated.
15    
16    checkpoint50
17    - 2nd step of merge with ecco-branch:
18      merge changes in ecco-branch back into main trunk
19    - bug fix in find_alpha
20    - more storing in gmredi_calc_tensor.F, kpp_routines.F
21    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
22    - merged some sliced AD support routines
23    
24    checkpoint49
25    merged from ecco-branch:
26    o exf:
27      - Enable initialisation of forcing fields to constant
28        (runtime) values.
29      - in exf_getffields.F
30        Reduce i-/j-loop to interior domain, discarding overlaps.
31        That also fixes wrong TAF-key computations for key_1, key_2
32        with bulf formulae.
33      - exf_init.F modify #ifdef for exf_init_evap
34      - exf_getffieldrec.F, ctrl_getrec.F
35        The following INT-usages are not safe:
36          fldsecs  = int(fldsecs/fldperiod)*fldperiod
37          fldcount = int(fldsecs/fldperiod) + 1
38        and were modified.
39    o autodiff: checkpoint_lev...
40      - updated storing for bulk formulae (some arrays were missing)
41      - added state for seaice package
42      - synchronized with main branch
43    o DIVA:
44      Modif.s in
45      - the_main_loop.F
46      - the_model_main.F
47      and added cost_final_restore.F cost_final_store.F
48      o With these changes, it is possible to fully separate
49        the first forward run to compute the cost function (mdthe_main_loop)
50        and adjoint runs over individual DIVA intervals (adthe_main_loop)
51        into separate model executions.
52        This enables better tuning of DIVA to given queue sizes.
53      o Loss of cost function value in consecutive DIVA runs is
54        fixed by storing to 'costfinal' file.
55      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
56        beginning/end of adjoint integration is accounted for.
57      The current changes apply to TAF-1.4.26.
58      TAF has one remaining bug, requiring one manual change
59      (see MITgcm manual).
60    o cal: synchronized between MAIN and ecco-branch
61    
62    checkpoint48i_post
63    o Changes to restore differentiability of code w.r.t. previous tag
64      (mostly adding new routines to make list and replacing
65      pressure by totPhiHyd).
66    o Updated and merged grdchk package
67      - has both ADM and TLM checks
68      - works for single- and multi-proc.
69      - output cleaned
70      - worked successfully for parallel DIVA
71    o genmake:
72      - Adding -platform=SP4
73      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
74    o Modif. for DIVA:
75      ctrl_unpack should not be called in intermediate DIVA interval.
76      (similar thing would apply for active files such as
77      tbar, sbar, psbar, which should not be reinitialised;
78      only relevant for ecco-branch)
79    
80    checkpoint48h_post
81    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
82    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
83    o Added SEAICE_initialHEFF to pkg/seaice
84    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
85    
86    checkpoint48g_post
87    --- EOS:
88    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
89      store total Potential in totPhyHyd for diagnostics & EOS.
90    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
91    --- Pressure/geopotential gradient:
92    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
93    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
94      ( changes results of global_ocean_pressure )
95    o NLFS + z-coord.: add eta*Rho' contribution.
96    o accurate phiHyd when using interface-W at the middle between 2 centers
97     ( changes results of ideal_2D_oce )
98    o includes r* 2nd term in potential gradient.
99    
100    checkpoint48f_post
101    Merging from release1_p12:
102    o Modifications for using pkg/exf with pkg/seaice
103      - improved description of the various forcing configurations
104      - added basic radiation bulk formulae to pkg/exf
105      - units/sign fix for evap computation in exf_getffields.F
106      - updated verification/global_with_exf/results/output.txt
107    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
108      (SBO) core products, including oceanic mass, center-of-mass,
109      angular, and bottom pressure (see pkg/sbo/README.sbo).
110    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
111      to avoid negative values in shallow regions.
112      - updated verification/natl_box/results/output.txt
113      - updated verification/lab_sea/results/output.txt
114    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
115    o Added useSingleCpuIO option (see PARAMS.h).
116    o Updated useSingleCpuIO option in mdsio_writefield.F to
117      work with multi-field files, e.g., for single-file pickup.
118    o pkg/seaice:
119      - bug fix in growth.F: QNET for no shortwave case
120      - added HeffFile for specifying initial sea-ice thickness
121      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
122    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
123      kpp_transport_t.F, forward_step.F, and the_main_loop.F
124    o pkg/seaice:
125      - adjoint-friendly modifications
126      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
127    
128    checkpoint48e_post
129    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
130    o dynamics: change definition of computational domain & adapt mom_fluxform
131      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
132    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
133        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
134        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
135        global_ocean.90x40x15 global_with_exf global_ocean_pressure
136        inverted_barometer solid-body.cs-32x32x1
137      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
138    
139    checkpoint48d_post
140    o in preparation for r*:
141     a) use pre-computed gradient of hydrostatic potential:
142        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
143     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
144        => affects results of glob_oce_pressure (different truncation error)  
145      update output.txt of ideal_2D_oce & global_ocean_pressure
146    
147    checkpoint48d_pre
148    o in preparation for r*:
149      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
150      pass the 2 comp. of the grad. as arguments to momentum S/R.
151      but for the moment, only used if it does not change the results.
152    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
153    
154    checkpoint48c_post
155    Modifications in treatment of initial flux forcing controls
156    to avoid extra storing of flux fields.
157    
158    checkpoint48c_pre
159    o Added tidal_basin_2d experiment (currently 1D!)
160    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
161    
162    checkpoint48b_post
163    o r* coordinate added in #ifdef NONLIN_FRSURF block.
164     (modification to pressure gradient not yet implemented)
165    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
166      (for U & V) that are used for vertical advection of momentum.
167    
168    checkpoint48a_post
169    o In preparation for r*, use temp. array to compute vertical transport
170       in flux-form momentum pkg. => change results of few test-exp.
171      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
172                        lab_sea, natl_box & plume_on_slope
173    
174    checkpoint48
175    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
176    
177    checkpoint47j_post
178    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
179    o moved adexch from forward_step to addummy_in_stepping
180    o added exch in ctrl_map_...
181    o aveFreq.=0. at end of cost_final to avoid overwrite in
182      reverse checkpointing loop
183    o Yet more changes in gmredi:
184      * adgmredi_calc_tensor
185        avoiding all recomputation of gmredi_slope_limit
186      * adgmredi_x/y/rtransport
187        added flag for excessive storing to avoid recomp. of
188        u/v/rtans, dTdx/y/z
189        -> this is not really necessary and very memory-consuming
190      * adgmredi_slope_psi:
191        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
192      * gmredi_slope_limit
193        re-activated full calculation of taperfct for case 'ac02'
194    o updating verification/ adjoints of carbon, global_ocean.90x40x15
195    
196    checkpoint47i_post
197    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
198    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
199      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
200    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
201    o gmredi: fix few bugs.
202    
203    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
204    This will be a good checkpoint to plug into the ecco-branch.
205    o few modif.'s to get latest version adjointed
206      (mainly kick out code in ini_linear_phisurf)
207    o modif's to run adjoint with exactConserv
208    o case GM_BOLUS_ADVEC should be cleaned
209      S/R gmredi_slope_psi should be cleaned
210    o verification/carbon now has exactConserv=.TRUE.
211    
212    checkpoint47g_post
213    o time-average AIM output: becomes independent from statvars time-average
214      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
215    o After TAF bug fix:
216      Tested adjoint of gmredi package.
217      Tests were done with checkpoint47 rather than with latest
218      checkpoint47f_post since the latter is broken for the adjoint
219      verification/carbon/ contains both ADM and TLM gradient checks.
220    Here they are, before they get changed/lost/stolen.
221    Mostly modif.'s to fix numerical sensitivities.
222    Gradient checks OK for
223    - GM_taper_scheme:
224      * clipping
225      * ac02
226      * linear
227      * glw91
228      * dm95
229      * ldd97
230    - GMREDI_OPTIONS:
231      * GM_VISBECK_VARIABLE_K
232      * GM_NON_UNITY_DIAGONAL
233      * GM_EXTRA_DIAGONAL
234      * GM_BOLUS_ADVEC
235    in conjunction with data.gmredi parameters to be checked in
236    in a few minutes under verification/carbon/code/
237    
238    checkpoint47f_post
239    Merging from release1_p10:
240    o modifications for using pkg/exf with pkg/seaice
241      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
242        and SEAICE_EXTERNAL_FLUXES
243      - pkg/exf CPP options EXF_READ_EVAP and
244        EXF_NO_BULK_COMPUTATIONS
245      - usage examples are Experiments 8 and 9 in
246        verification/lab_sea/README
247      - verification/lab_sea default experiment now uses
248        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
249    
250    checkpoint47e_post
251    o created a tag prior to creating a branch
252    
253    checkpoint47d_post
254    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
255      at the bottom boundary had an erroneous half slip boundary condition
256    o added bottom drag and no slip boundary condition capabilities to
257      oceanic pressure coordinates code
258    o added new verification experiment global_ocean_pressure, this experiment is
259      also described in the tutorial section of the manual
260    checkpoint47d_pre
261    
262    checkpoint47c_post
263    o Added a verification experiment for a global cubed-sphere ocean run
264      -  verification/global_ocean.cubed32x32x30
265      -  uses pkg/therm_seaice and pkg/bulk_forcing
266    
267    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
268    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
269      when using P-coordinate; only implemented for atmospheric config.
270    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
271      NOTES: requires option NONLIN_FRSURF to be "#define".
272    o update advect_xz/results/output.txt (left from checkpoint44g_post)
273    
274    checkpoint47b_post
275    Merging from release1_p9:
276    o pkg/seaice
277      - removed GOTO's and added taf directives
278      - double precision constants to reduce the g77 (Linux)
279        to F77 (SGI) differences reported in release1_p8
280    o tools/genmake
281      - added SGI options
282    o verification/testscript
283      - updated to that of checkpoint47a_post
284    o verification/global_ocean.90x40x15/input/eedata
285      - modified for SGI f77 compatibility
286    o verification/lab_sea
287      - added description of sea-ice model
288      - added missing matlab routines
289      - added test of thermodynamics parallelization
290    
291    checkpoint47a_post
292    o new pkg: aim_v23
293     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
294       for now, keep the same surface forcing as before.
295     - Part-Cell implemented into AIM; check that Heat & Water are conserved
296     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
297     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
298    o add diagnostic of surface correction term in monitor output
299    
300    o bulk_force and therm_seaice
301    - Two packages:  bulk_force (Bulk forcing)
302      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
303    - Earlier integration from Stephaine Dutkiewicz
304      and Patrick Heimbach.
305    - Two ifdef statements for compile time,
306       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
307    
308    checkpoint47
309    differentiable version of checkpoint46n_post
310    o bug fix in quasihydrostaticterms
311    o * "clean" adjoint code (in terms of extensive recomputations)
312        can now be obtained for all GMREDI options (i.e. for
313        - GM_VISBECK_VARIABLE_K
314        - GM_NON_UNITY_DIAGONAL
315        - GM_EXTRA_DIAGONAL
316        - GM_BOLUS_ADVEC )
317      * However, wrong gradient check problem remains unsolved.
318      * New CPP options have been introduced for different
319        tapering schemes
320    o external_fields_load now part of differentiation list
321    o pressure needs multiple storing;
322      would be nice to have store_pressure at beginning or
323      end of forward_step, e.g. by having phiHyd global (5-dim.)
324      (NB: pressure is needed for certain cases in find_rho,
325      which is also invoked through convective_adjustment).
326    o recomputations in find_rho for cases
327     'JMD95'/'UNESCO' or 'MDJWF' are OK.
328    o #define ATMOSPHERIC_LOADING should be differentiable
329    o ini_forcing shifted to begining of initialise_varia
330    o Incorporating QNVS line search routines into MITgcm
331      (this is separate code, and therefore not under pkg)
332      lsopt/, optim/
333    o Updated verification/carbon/
334      - #define GM_VISBECK_VARIABLE_K
335      - GM_taper_scheme    = 'ldd97'    
336    
337    checkpoint46n_post
338    Merging from release1_p8:
339    o verification/natl_box:
340      updating new external_fields_load routine
341    o New package: pkg/seaice
342      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
343      The sea-ice code is based on Hibler (1979-1980).
344      Two sea-ice dynamic solvers, ADI and LSR, are included.
345      In addition to computing prognostic sea-ice variables and diagnosing
346      the forcing/external data fields that drive the ocean model,
347      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
348      The implied surface heat flux is then stored in variable
349      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
350      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
351      non-local transport term.  Because this call precedes model
352      thermodynamics, temperature under sea-ice may not be "exactly" at
353      the freezing point by the time theta is dumped or time-averaged.
354      N.B.: fairly large differences in accuracy occur across
355            different platforms/compilers; comparison between
356            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
357            generated output gives:
358       T           S           U           V
359      C D M    c        m  s        m  s        m  s        m  s
360      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
361      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
362      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
363    
364      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
365    o GAD:
366      - generated new common blocks to account for call of
367        same gad routines with differing traceridentities
368        (needed to modify tracerIdentity indices in GAD.h)
369      - generated separate common blocks for case useCubedSphereExchange
370        (Department of Futurology)
371      - parameter lists to gmredi_?transport: added tracerIdentity
372      - added new key indices to tamc.h
373    o external_fields_load:
374      - added this routine to TAF list
375      - needed to make some common blocks global and additional storing
376        along the same lines as exf package (checkpoint_lev?_directives.h)
377    o exf:
378      updated external forcing package
379      - bug fixes carried over from ecco-branch
380        (missing OBCS_OPTIONS.h in two routines)
381      - enable easy to use "no forcing".
382      - added exf I/O for atmospheric loading
383      - added exf I/O for runoff data
384      - transfered scaling between exf <-> MITgcm to exf namelist
385    o Adding new verification experiment global_with_exf.
386      This verification experiment is almost identical to the
387      global_ocean.90x40x15 experiment, except that it uses
388      the exf (and cal) package instead of the
389      external_fields_load routine (cf README file).
390    
391    checkpoint46m_post
392    o modified testscript to return -- when there are no lines of "%MON" output
393    o added new flag "quasiHydrostatic" for QH mode
394      and new routine quasihydrostaticterms()
395    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
396      New routine: mom_u_coriolis_nh()
397    o fixed sign of non-hydrostatic metric terms in u and v equations.
398      Depend on correct sign of gravitySign.
399    o added work.pc* to .cvsignore in aim directories using ifc
400    o introduced flag for controllin non-hydrostatic metric terms
401    o removed gravitySign from PARM04
402    o switched to g77/ifc from pgf77 in aim experiments
403    
404    checkpoint46l_post
405    o made convective adjustment work with pressure coordinates:
406     - changed the direction of k-loop in convective_adjustment.F for the
407       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
408     - adjusted the reference pressure k-index in convective_adjustment.F
409     - adjusted the convection condition in convect.F (in analogy to
410       calc_ivdc.F)
411     - convective_adjustment no longer computes anything on the halos
412     - removed the warnings about negative salinity from find_rho.F and
413       find_alpha.F; instead the new routine look_for_neg_salinity, called
414       at the beginning of find_rho, find_alpha, and find_beta, does a
415       check of the entire slice, if CPP-option
416       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
417    checkpoint46l_pre
418    
419    checkpoint46k_post
420    o fixed the verification/global_ocean.90x40x15 experiment:
421     - new bathymetry (the world according to A., JMC, and M.)
422     - new initial fields and forcing fields (*.bin files)
423     - new POLY3.COEFFS (for the next release one should switch to a full
424       equation of state: JMD95P or MDJWF)
425     - fixed several errors and redundancies in the data file
426     - experiment uses looped cells
427     - added matlab directory with diagnostic scripts for plotting of output
428    
429    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
430     - read AIM physics parameters from a file (data.aimphys)
431     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
432    
433    checkpoint46j_post
434    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
435    o move wVel computation at the end of the time step, in S/R integr_continuity
436    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
437    o update timeave pkg for wVel diagnostic.
438    checkpoint46j_pre
439    
440    checkpoint46i_post
441    o Clean up AIM package (and keep the results unchanged):
442      include CPP_OPTION and use IMPLICT NONE in all routines ;
443      declare all the variables _RL ; use _d 0 for all numerical constants.
444      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
445    
446    checkpoint46h_post
447    o cleaned up the use of rhoNil and rhoConst.
448      - rhoNil should only appear in the LINEAR equation of state, everywhere
449        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
450        and the dynamical equations are all divided by rhoConst
451    o introduced new parameter rhoConstFresh, a reference density of fresh
452      water, to remove the fresh water flux's dependence on rhoNil. The default
453      value is 999.8 kg/m^3
454    o cleanup up external_forcing.F and external_forcing_surf.F
455      - can now be used by both OCEANIC and OCEANICP
456    checkpoint46h_pre
457    
458     Added code to convert surface volume flux (fresh water) into
459     a mass flux when using P coordinates in the ocean (OCEANICP).
460     Note: It assumes you have set rho0=rhoConst=density of fresh water.
461    
462    checkpoint46g_post
463    o Include a new diagnostic variable phiHydLow for the ocean model
464      - in z-coordinates, it is the bottom pressure anomaly
465      - in p-coordinates, it is the sea surface elevation
466      - in both cases, these variable have global drift, reflecting the mass
467        drift in z-coordinates and the volume drift in p-coordinates
468      - included time averaging for phiHydLow, be aware of the drift!
469    o depth-dependent computation of Bo_surf for pressure coordinates
470      in the ocean (buoyancyRelation='OCEANICP')
471      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
472        Theta, Salinity, and Pressure in the parameter list. This routine is
473        presently contained in find_rho.F. This routine does not give the
474        correct density for 'POLY3', which would be a z-dependent reference
475        density.
476    o cleaned up find_rho
477      - removed obsolete 'eqn' from the parameter list.
478    o added two new verification experiments: gop and goz
479      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
480    checkpoint46g_pre
481    
482    checkpoint46f_post
483    o Enable tangent linear (forward mode) gradient checks:
484      - extended active file handling to g_... files
485      - added TANGENT_SIMULATION to theSimulationMode
486      - extended grdchk package accordingly
487    o added tangent linear setup in verification/carbon/code_ftl
488    o added adjoint setup in verification/front_relax/code_ad
489    
490    checkpoint46e_post
491    o Added new equation of state -> MDJWF
492      - EOS of McDougall et al., 2002, JAOT, submitted
493      - caveat: the equation of state is only valid for a smaller (more
494        realistic?) range of values than JMD95P/Z and UNESCO
495      - added masks to the calculation of pressure in store_pressure
496      - added more check values for density in check_eos (ini_eos.F), some of
497        the old check values are out of the range of the MDJWF-eos, so don't
498        expect perfect matches for those
499    checkpoint46e_pre
500    
501    checkpoint46d_post
502    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
503      'OCEANICP', also initialised field pressure correctly in ini_eos in the
504      case of pressure coordinates. eosType='JMD95Z' in
505      combination with buoyancyRelation='OCEANICP' now causes an error.
506    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
507      in find_alpha/beta.
508    checkpoint46d_pre
509    
510    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
511      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
512    
513    checkpoint46c_post
514    o Changes necessary for ocean in p-coordinates
515     -  Added new buoyancy relation = 'OCEANICP'
516     -  Added new parameters = gravitySign (this used to be contained inside
517        the factor dRdZ which I added when we first switched to R coordinates).
518     X GM/Redi is not compatible (yet)
519     X bottom drag and no-slip need to be debugged.
520    checkpoint46c_pre
521    
522    checkpoint46b_post
523    o Added new equation of state -> JMD95Z and JMD95P
524      - EOS of Jackett and McDougall, 1995, JAOT
525      - moved all EOS parameters into EOS.h
526      - new routines ini_eos.F, store_pressure.F
527    o Added UNESCO EOS, but not recommended because it requires
528      in-situ temperature (see JMD95)
529    o Modified formatting for knudsen2.f in utils/knudsen2 and added
530      unesco.f to be used with POLY3
531    checkpoint46b_pre
532    
533    checkpoint46a_post
534    o Added (atmospheric) pressure loading
535      - new field in FFIELDS.h, etc...
536      - new cpp flag ATMOSPHERIC_LOADING
537    o Changed hFacC to _hFacC in calc_phi_hyd.F
538    o Added SHORTWAVE_HEATING to some files for consistency
539    checkpoint46a_pre
540    
541    checkpoint46
542    further merges from release1_p5
543    o new ctrl package
544      - adopted from ECCO environment to enable optimization
545      - added Eliassen Palm fluxes to controls
546    o added Eliassen Palm flux controls to gradient check package
547    o cost package
548      - Compatible with new ctrl package
549      - added Eliassen Palm cost hooks
550      - modif's of existing cost functions
551    o Adjoint-related bug fixes in kpp:
552      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
553      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
554    o autodiff package
555      - flow directives:
556        + new for S/R do_the_model_io
557        + enhanced for S/R checkpoint
558        + new gmredi.flow
559      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
560        disable adcommon.h/g_common.h by default.
561      - fixed problem for adjoint of global_max
562    o modified verification/carbon/
563    o New setup for adjoint of global_ocean
564    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
565    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
566    o incorporated hooks for sponge layer code (external_forcing.F)
567    
568    checkpoint45d_post
569    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
570    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
571      (affects plume_on_slope "cg2d" output)
572    o add new parameter deltaTfreesurf for free-surface time stepping
573    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
574    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
575    o change phiMin in exp1 (to agree with documentation)
576    o add new flags:
577     - T,S forcing inside/outside Adams-Bashforth
578     - turn off temp,salt advection and/or forcing
579     - for each tracer, define internal flag for multiDimAdvection & A-B
580    o monitor: change definition of KE to check conservation of Energy
581    
582    checkpoint45c_post
583    o Removed f90 comments ("!")
584    o Modified initialisations to enable exf package for MITgcm
585      (without invoking ECCO_PACKAGE).
586    o modifications to gradient check package (Martin Losch)
587      - enable centered differences
588      - modified format of standard output
589    
590    checkpoint45b_post
591    o cleaned exchange calls in cg2d
592    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
593    o included CPP option SINGLE_LAYER_MODE in thermodynamics
594      to configure barotropic setup (Martin Losch)
595    o moved some initialisations within bi,bj loop in dynamics
596      (TAF flow dependency)
597    o in initialise_varia, moved call packages_init_variables
598      before convective_adjustment_init
599      (corresponding adjustment of TAF tape initialisation).
600    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
601    
602    checkpoint45a_post
603    o compute Rho over the whole domain (extend iMin,jMin indices)
604    o specific exchange for X-slice domain (case Ny=1)
605    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
606    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
607    
608    checkpoint44h_post = checkpoint45
609    o Fix to restore differentiability:
610      place at which packages_init_variables is called in
611      initialise_varia is crucial for reverse control flow.
612    o modifications in GMRedi to enable stable adjoint
613      (corresponding modif's in thermodynamics, dynamics)
614    o added missing hook for sponge layer code in external_forcing
615    o modified test cost functions
616    o storing in gad_advection (plus removal of write(0,*)!
617    o missing headers TR1.h added in convective_adjustment routines
618    o errorMessageUnit set non-equal zero in eeboot
619      (conflict on some platforms, e.g. IBM SP3)
620    o modified carbon verif.
621    
622    checkpoint44h_pre
623    o vertical grid option: allow to put the Interface at the middle between
624      2 cell-centers ; replace delZ in pkg/kpp by drF.
625    o GM Advective form: Tracers are advected using the residual transport (=
626      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
627    
628    checkpoint44g_post
629    o fix surface correction term in multiDimAdvection (affects plume_on_slope
630      results) ; ifdef missing in thermodynamics.F
631    
632    checkpoint44f_pre,checkpoint44f_post
633    o added PTRACERS package
634      This allows an arbitrary number of passive tracers to be integrated
635      forward simultaneously with the dynamicaly model.
636      + Implemented so far:
637        - basic forward algorithm (time-stepping, advection, diffusion, convection)
638        - I/O and checkpointing
639        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
640      + Not implemented so far:
641        - KPP
642        - OBCS
643      + No specific example supplied (yet) but global_ocean.90x40x15 has the
644        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
645        line in data.pkg.
646      + This package is disabled by default since it increases storage.
647    
648    
649    o testscript: added -cleanup option
650    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
651                 b) enable to filter 2D fields.
652    
653    checkpoint44e_pre,post
654    o re-wrote convective adjustment to use pre-calculated weights
655      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
656      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
657      Original calls to convect() still in place.
658    
659    chkpt44d_pre,post
660    o added missing EXCLUDE_MONITOR flags
661    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
662      (incompatible typ in MIN/MAX expressions caused problems
663      on IBM SP3)
664    o in genmake added variable MAKEDEPEND
665      plus resetting for case SunOS
666    o added timer_stats.c routine for IBM SP3
667    o removed variables in dynamics
668    !!! I forgot to create tag chkpt44d_pre !!!
669    !!! But chkpt44d_pre = chkpt44c_post    !!!
670    
671    o real fresh water flux implemented with non-linear free-surface.
672    
673    chkpt44c_pre,post
674    o few fix (mask in shap_s2, EmPmR in external_field_load,
675      USE_NATURAL_BCS in solve_for_P);
676    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
677    
678    checkpoint44b_pre/_post
679    o merge of relevant stuff from the ecco-branch:
680      - genmake: removed $S64 overwrite for case SunOS
681      - pkg/exf: update and corrections for field swapping and obcs
682      - pkg/ecco: parameter lists for the_model_main, the_main_loop
683                  harmonized between ECCO and MITgcm
684      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
685                      updated checkpointing_lev... lists for obcs
686      - model/src: minor changes in forward_step, plot_field
687                   added directive for divided adjoint in the_main_loop
688      - pkg/mdsio: added mdsio_gl_slice
689    
690    o check parameters & config (chkpt44a_pre,post)
691    o OBC and NonLin_FrSurf.
692    
693    checkpoint44
694    o fix bug in mom_vi_del2uv
695    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
696    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
697    o update AIM experiments (NCEP input files)
698    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
699    o added some stuff for AD
700    
701    checkpoint43
702    o added two new advection tests
703    o added global 4x4 degree ocean test
704    o added test of H&S94 with free surface on cube
705    o some final mods for gradient check, adjoint,...
706    
707    checkpoint42
708      Fixed AD-related problems:
709    o Store directives up-to-date with re-arranged Adams-Bashforth
710      (mainly thermodynamics.F)
711    o New store directives for multi-dim. advection schemes
712      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
713      * new common block and key passkey
714      (mainly gad_advection.F)
715    o Modified store directives for split of dynamics/thermodynamics
716      for the case ALLOW_KPP
717    o Cleaned argument list for timestep_tracer.F
718    
719    checkpoint41
720    o re-formatted/added comments in prologues of key subroutines
721      to work with protex
722    
723    checkpoint40
724    o moved calc_gs, calc_gt and calc_tr1 back to model/src
725    o added FLT (floats) package from Arne along with demo. experiment
726    o re-arranged Adams-Bashforth scheme for tracers to allow easier
727      implementation of forward-in-time forcing terms
728    o more mods for non-linear free-surface including new variable
729    o modified multi-dim method to work on cube
730    o bug fix in KPP (from DM)
731    
732    checkpoint40pre9
733    o added DST advection schemes
734    o fix MPI bug on SGI's
735    o modifications for non-linear free-surface
736    o fixed conditionals for fixed flow/passive tracer only mode
737    o added tension/strain form of stress tensor
738    o changes to commenting of arguments for TAF/TAMC
739    o added/updated many matlab scripts
740    o added multi-dimensional advection method for tracers
741      
742    checkpoint40pre8
743    o new package rw/
744      Added method for dumping intermediate local arrays:
745      mdsio_writetile - same as mdsio_writefield except works from inside
746                        bi,bj loop
747      mdsio_writelocal - same as mdsio_writetile except works for local
748                         arrays
749      write_local_r? - higher-level wrapper for mdsio_writelocal
750      Controlled by diagFreq. Defaults to zero (ie. no dumps)
751      Example given at end of mom_vecinv.F that dumps some local arrays.
752    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
753      control flux-form versus vector invariant code.
754      Switch is runtime flag vectorInvariantMomentum (defaults to false)
755      or genmake -DISABLE ...
756    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
757      (additional storing is now needed for case vecinv;
758      currently nothing implemented to switch this storing off
759      in case fluxform is used since no CPP flag available).
760    
761    checkpoint40pre7
762    o bug fix in dynamics.F
763      calc_viscosity called before k=1,Nr loop.
764    o added some #ifdef's ALLOW_PASSIVE_TRACER
765    o cleaned initialisations in ctrl_map_ini
766      related to TAF
767    
768    checkpoint40pre6
769    o split dynamics into thermodynamics & dynamics
770    o corresponding split of calc_diffusivity into
771      calc_diffusivity, calc_viscosity
772      (kpp_calc_diff, kpp_calc_visc).
773    o Added diffkr, kapgm to control variables
774    o bug fix in gmredi_slope_limit for ldd97
775    
776    checkpoint40pre5
777    o proper initialization of Adams-Bashforth time stepping
778      + uses forward step for very first step of model (iter=0)
779    o re-generated *all* output since almost all output is modified by this
780      change (sorry but we've been putting this one off for about 2 years)
781      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
782        *not* regenerated since they are already out of date and I don't
783        want to create the impression that they are suddenly working.
784    o removed KAP stuff for DEC's
785    o modified/added many .cvsignore files in */code and */input
786    o added new expt "solid-body.cs-32x32x1"
787      + this uses an alternative form of ini_curvilinear_grid.F which
788        is not necessarily any better than the current one...
789    
790    checkpoint40pre4
791    o added re-initialisations of utrans,vtrans,rtrans in
792      calc_common_factors which are crucial for TAF.
793    o extended iMin,jMin range for calc_common_factors,
794      calc_diffusivity
795    o added option ALLOW_PASSIVE_TRACER
796    o a few minor updates and fixes
797    
798    checkpoint40pre3
799    o created calc_gtr1.F for gad package
800    o split the_main_loop and re-introduced forward_step
801    o some recomputations of nIter0 for TAMC
802    
803    checkpoint40pre2
804    o Updated to latest branch of AJA, JMC
805    o Added gradient check package
806    o Added routines for passive tracer handling
807    o Added carbon sequestration sensitivity experiment
808    
809    checkpoint39
810     o Modifications and fixes to support TAMC
811       (mainly missing or wrong directives)
812     o Corrected common blocks when fooling TAMC to produce adjoint I/O
813       in addummy_in_stepping
814     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
815     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
816     o Included following packages:
817       cal: calendar
818       exf: external forcing
819       ecco: essential routines to control use of cal, exf
820             (NB: this is not the full ECCO environment)
821     o disabled some packages by default in genmake
822    
823  checkpoint38  checkpoint38
824   o see notes_c37_adj.txt   o see notes_c37_adj.txt
825   o corrected wrong layer index in external_forcing_t   o corrected wrong layer index in external_forcing_t

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