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revision 1.5 by cnh, Mon Jun 15 05:13:55 1998 UTC revision 1.160 by dimitri, Fri May 23 20:19:15 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint50g_post
7    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
8      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
9      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
10        made the default because of faster convergence than ADI
11    
12    checkpoint50f_post
13    o exf totally restructured
14      - replaced all exf_set_ routines by one generic exf_set_gen.F
15        and made sure it's still differentiable
16      - split exf_getffields.F into new exf_bulkformulae.F
17      - exf_inscal_/exf_outscal_ suffixes consistent with field names
18      - updated adjoint/makefile and relevant verif. accordingly
19    
20    checkpoint50f_pre
21     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
22          + change Evap over land. (update aim.5l_cs output)
23     o added missing .cvsignores and made uniform across expts
24     o changed configuration of tidal_basin_2d expt
25     o added pkg/debug functions for tracing code in fatal crashes
26     o tidied pkg/monitor to use MONITOR_OPTIONS.h
27     o new fn in pkg/monitor to stop model if solution grows too big
28     o removed lots of single quotes from comments
29    
30    checkpoint50e_post
31    o make KPP work with PTRACERS
32     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
33       nearly a copy of kpp_transport_s
34     - there is no analogue to SurfaceTendencyS, so I have to use
35       gPtr(of the surface layer) instead
36    o add a new platform SunFire+mpi (SunFire 15000) to genmake
37    checkpoint50e_pre
38    
39    checkpoint50d_post
40    o change kpp output from multiple-record state files to single-record state
41      files analogous to write_state.F
42    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
43      analogous to the cg2d-related output.
44    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
45      so that writing to internal file fn (with length 512) fails.
46    checkpoint50d_pre
47    
48    checkpoint50c_post
49    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
50    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
51    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
52    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
53    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
54    
55    checkpoint50c_pre
56    Merging from release1_p13:
57    o bug fix for pkg/seaice dynamic solver
58    o Added SEAICE_initialHEFF to pkg/seaice
59    
60    checkpoint50b_post
61    o store u*,v* in gU,V instead of in guNm1,gvNm1
62    o in order to put the momForcing out of the Adams-Bashforth:
63      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
64      to timestep.F
65    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
66    o re-generate output for highly sensitive test-exp:
67       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
68    
69    checkpoint50b_pre
70    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
71    o corrected CPP option mismatch in exf_Bulk... functions for case
72      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
73    
74    checkpoint50a_post
75    o Bug fix for merging between c50 and KPP.
76      ikey was passed from thermodynamics to kpp_calc via
77      common block rather than being recomputed in kpp_calc,
78      in contradiction with new key itdkey.
79      New key ikppkey created, and tamc.h headers updated.
80    
81    checkpoint50
82    - 2nd step of merge with ecco-branch:
83      merge changes in ecco-branch back into main trunk
84    - bug fix in find_alpha
85    - more storing in gmredi_calc_tensor.F, kpp_routines.F
86    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
87    - merged some sliced AD support routines
88    
89    checkpoint49
90    merged from ecco-branch:
91    o exf:
92      - Enable initialisation of forcing fields to constant
93        (runtime) values.
94      - in exf_getffields.F
95        Reduce i-/j-loop to interior domain, discarding overlaps.
96        That also fixes wrong TAF-key computations for key_1, key_2
97        with bulf formulae.
98      - exf_init.F modify #ifdef for exf_init_evap
99      - exf_getffieldrec.F, ctrl_getrec.F
100        The following INT-usages are not safe:
101          fldsecs  = int(fldsecs/fldperiod)*fldperiod
102          fldcount = int(fldsecs/fldperiod) + 1
103        and were modified.
104    o autodiff: checkpoint_lev...
105      - updated storing for bulk formulae (some arrays were missing)
106      - added state for seaice package
107      - synchronized with main branch
108    o DIVA:
109      Modif.s in
110      - the_main_loop.F
111      - the_model_main.F
112      and added cost_final_restore.F cost_final_store.F
113      o With these changes, it is possible to fully separate
114        the first forward run to compute the cost function (mdthe_main_loop)
115        and adjoint runs over individual DIVA intervals (adthe_main_loop)
116        into separate model executions.
117        This enables better tuning of DIVA to given queue sizes.
118      o Loss of cost function value in consecutive DIVA runs is
119        fixed by storing to 'costfinal' file.
120      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
121        beginning/end of adjoint integration is accounted for.
122      The current changes apply to TAF-1.4.26.
123      TAF has one remaining bug, requiring one manual change
124      (see MITgcm manual).
125    o cal: synchronized between MAIN and ecco-branch
126    
127    checkpoint48i_post
128    o Changes to restore differentiability of code w.r.t. previous tag
129      (mostly adding new routines to make list and replacing
130      pressure by totPhiHyd).
131    o Updated and merged grdchk package
132      - has both ADM and TLM checks
133      - works for single- and multi-proc.
134      - output cleaned
135      - worked successfully for parallel DIVA
136    o genmake:
137      - Adding -platform=SP4
138      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
139    o Modif. for DIVA:
140      ctrl_unpack should not be called in intermediate DIVA interval.
141      (similar thing would apply for active files such as
142      tbar, sbar, psbar, which should not be reinitialised;
143      only relevant for ecco-branch)
144    
145    checkpoint48h_post
146    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
147    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
148    o Added SEAICE_initialHEFF to pkg/seaice
149    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
150    
151    checkpoint48g_post
152    --- EOS:
153    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
154      store total Potential in totPhyHyd for diagnostics & EOS.
155    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
156    --- Pressure/geopotential gradient:
157    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
158    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
159      ( changes results of global_ocean_pressure )
160    o NLFS + z-coord.: add eta*Rho' contribution.
161    o accurate phiHyd when using interface-W at the middle between 2 centers
162     ( changes results of ideal_2D_oce )
163    o includes r* 2nd term in potential gradient.
164    
165    checkpoint48f_post
166    Merging from release1_p12:
167    o Modifications for using pkg/exf with pkg/seaice
168      - improved description of the various forcing configurations
169      - added basic radiation bulk formulae to pkg/exf
170      - units/sign fix for evap computation in exf_getffields.F
171      - updated verification/global_with_exf/results/output.txt
172    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
173      (SBO) core products, including oceanic mass, center-of-mass,
174      angular, and bottom pressure (see pkg/sbo/README.sbo).
175    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
176      to avoid negative values in shallow regions.
177      - updated verification/natl_box/results/output.txt
178      - updated verification/lab_sea/results/output.txt
179    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
180    o Added useSingleCpuIO option (see PARAMS.h).
181    o Updated useSingleCpuIO option in mdsio_writefield.F to
182      work with multi-field files, e.g., for single-file pickup.
183    o pkg/seaice:
184      - bug fix in growth.F: QNET for no shortwave case
185      - added HeffFile for specifying initial sea-ice thickness
186      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
187    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
188      kpp_transport_t.F, forward_step.F, and the_main_loop.F
189    o pkg/seaice:
190      - adjoint-friendly modifications
191      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
192    
193    checkpoint48e_post
194    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
195    o dynamics: change definition of computational domain & adapt mom_fluxform
196      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
197    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
198        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
199        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
200        global_ocean.90x40x15 global_with_exf global_ocean_pressure
201        inverted_barometer solid-body.cs-32x32x1
202      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
203    
204    checkpoint48d_post
205    o in preparation for r*:
206     a) use pre-computed gradient of hydrostatic potential:
207        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
208     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
209        => affects results of glob_oce_pressure (different truncation error)  
210      update output.txt of ideal_2D_oce & global_ocean_pressure
211    
212    checkpoint48d_pre
213    o in preparation for r*:
214      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
215      pass the 2 comp. of the grad. as arguments to momentum S/R.
216      but for the moment, only used if it does not change the results.
217    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
218    
219    checkpoint48c_post
220    Modifications in treatment of initial flux forcing controls
221    to avoid extra storing of flux fields.
222    
223    checkpoint48c_pre
224    o Added tidal_basin_2d experiment (currently 1D!)
225    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
226    
227    checkpoint48b_post
228    o r* coordinate added in #ifdef NONLIN_FRSURF block.
229     (modification to pressure gradient not yet implemented)
230    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
231      (for U & V) that are used for vertical advection of momentum.
232    
233    checkpoint48a_post
234    o In preparation for r*, use temp. array to compute vertical transport
235       in flux-form momentum pkg. => change results of few test-exp.
236      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
237                        lab_sea, natl_box & plume_on_slope
238    
239    checkpoint48
240    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
241    
242    checkpoint47j_post
243    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
244    o moved adexch from forward_step to addummy_in_stepping
245    o added exch in ctrl_map_...
246    o aveFreq.=0. at end of cost_final to avoid overwrite in
247      reverse checkpointing loop
248    o Yet more changes in gmredi:
249      * adgmredi_calc_tensor
250        avoiding all recomputation of gmredi_slope_limit
251      * adgmredi_x/y/rtransport
252        added flag for excessive storing to avoid recomp. of
253        u/v/rtans, dTdx/y/z
254        -> this is not really necessary and very memory-consuming
255      * adgmredi_slope_psi:
256        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
257      * gmredi_slope_limit
258        re-activated full calculation of taperfct for case 'ac02'
259    o updating verification/ adjoints of carbon, global_ocean.90x40x15
260    
261    checkpoint47i_post
262    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
263    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
264      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
265    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
266    o gmredi: fix few bugs.
267    
268    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
269    This will be a good checkpoint to plug into the ecco-branch.
270    o few modif.'s to get latest version adjointed
271      (mainly kick out code in ini_linear_phisurf)
272    o modif's to run adjoint with exactConserv
273    o case GM_BOLUS_ADVEC should be cleaned
274      S/R gmredi_slope_psi should be cleaned
275    o verification/carbon now has exactConserv=.TRUE.
276    
277    checkpoint47g_post
278    o time-average AIM output: becomes independent from statvars time-average
279      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
280    o After TAF bug fix:
281      Tested adjoint of gmredi package.
282      Tests were done with checkpoint47 rather than with latest
283      checkpoint47f_post since the latter is broken for the adjoint
284      verification/carbon/ contains both ADM and TLM gradient checks.
285    Here they are, before they get changed/lost/stolen.
286    Mostly modif.'s to fix numerical sensitivities.
287    Gradient checks OK for
288    - GM_taper_scheme:
289      * clipping
290      * ac02
291      * linear
292      * glw91
293      * dm95
294      * ldd97
295    - GMREDI_OPTIONS:
296      * GM_VISBECK_VARIABLE_K
297      * GM_NON_UNITY_DIAGONAL
298      * GM_EXTRA_DIAGONAL
299      * GM_BOLUS_ADVEC
300    in conjunction with data.gmredi parameters to be checked in
301    in a few minutes under verification/carbon/code/
302    
303    checkpoint47f_post
304    Merging from release1_p10:
305    o modifications for using pkg/exf with pkg/seaice
306      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
307        and SEAICE_EXTERNAL_FLUXES
308      - pkg/exf CPP options EXF_READ_EVAP and
309        EXF_NO_BULK_COMPUTATIONS
310      - usage examples are Experiments 8 and 9 in
311        verification/lab_sea/README
312      - verification/lab_sea default experiment now uses
313        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
314    
315    checkpoint47e_post
316    o created a tag prior to creating a branch
317    
318    checkpoint47d_post
319    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
320      at the bottom boundary had an erroneous half slip boundary condition
321    o added bottom drag and no slip boundary condition capabilities to
322      oceanic pressure coordinates code
323    o added new verification experiment global_ocean_pressure, this experiment is
324      also described in the tutorial section of the manual
325    checkpoint47d_pre
326    
327    checkpoint47c_post
328    o Added a verification experiment for a global cubed-sphere ocean run
329      -  verification/global_ocean.cubed32x32x30
330      -  uses pkg/therm_seaice and pkg/bulk_forcing
331    
332    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
333    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
334      when using P-coordinate; only implemented for atmospheric config.
335    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
336      NOTES: requires option NONLIN_FRSURF to be "#define".
337    o update advect_xz/results/output.txt (left from checkpoint44g_post)
338    
339    checkpoint47b_post
340    Merging from release1_p9:
341    o pkg/seaice
342      - removed GOTO's and added taf directives
343      - double precision constants to reduce the g77 (Linux)
344        to F77 (SGI) differences reported in release1_p8
345    o tools/genmake
346      - added SGI options
347    o verification/testscript
348      - updated to that of checkpoint47a_post
349    o verification/global_ocean.90x40x15/input/eedata
350      - modified for SGI f77 compatibility
351    o verification/lab_sea
352      - added description of sea-ice model
353      - added missing matlab routines
354      - added test of thermodynamics parallelization
355    
356    checkpoint47a_post
357    o new pkg: aim_v23
358     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
359       for now, keep the same surface forcing as before.
360     - Part-Cell implemented into AIM; check that Heat & Water are conserved
361     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
362     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
363    o add diagnostic of surface correction term in monitor output
364    
365    o bulk_force and therm_seaice
366    - Two packages:  bulk_force (Bulk forcing)
367      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
368    - Earlier integration from Stephaine Dutkiewicz
369      and Patrick Heimbach.
370    - Two ifdef statements for compile time,
371       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
372    
373    checkpoint47
374    differentiable version of checkpoint46n_post
375    o bug fix in quasihydrostaticterms
376    o * "clean" adjoint code (in terms of extensive recomputations)
377        can now be obtained for all GMREDI options (i.e. for
378        - GM_VISBECK_VARIABLE_K
379        - GM_NON_UNITY_DIAGONAL
380        - GM_EXTRA_DIAGONAL
381        - GM_BOLUS_ADVEC )
382      * However, wrong gradient check problem remains unsolved.
383      * New CPP options have been introduced for different
384        tapering schemes
385    o external_fields_load now part of differentiation list
386    o pressure needs multiple storing;
387      would be nice to have store_pressure at beginning or
388      end of forward_step, e.g. by having phiHyd global (5-dim.)
389      (NB: pressure is needed for certain cases in find_rho,
390      which is also invoked through convective_adjustment).
391    o recomputations in find_rho for cases
392     'JMD95'/'UNESCO' or 'MDJWF' are OK.
393    o #define ATMOSPHERIC_LOADING should be differentiable
394    o ini_forcing shifted to begining of initialise_varia
395    o Incorporating QNVS line search routines into MITgcm
396      (this is separate code, and therefore not under pkg)
397      lsopt/, optim/
398    o Updated verification/carbon/
399      - #define GM_VISBECK_VARIABLE_K
400      - GM_taper_scheme    = 'ldd97'    
401    
402    checkpoint46n_post
403    Merging from release1_p8:
404    o verification/natl_box:
405      updating new external_fields_load routine
406    o New package: pkg/seaice
407      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
408      The sea-ice code is based on Hibler (1979-1980).
409      Two sea-ice dynamic solvers, ADI and LSR, are included.
410      In addition to computing prognostic sea-ice variables and diagnosing
411      the forcing/external data fields that drive the ocean model,
412      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
413      The implied surface heat flux is then stored in variable
414      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
415      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
416      non-local transport term.  Because this call precedes model
417      thermodynamics, temperature under sea-ice may not be "exactly" at
418      the freezing point by the time theta is dumped or time-averaged.
419      N.B.: fairly large differences in accuracy occur across
420            different platforms/compilers; comparison between
421            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
422            generated output gives:
423       T           S           U           V
424      C D M    c        m  s        m  s        m  s        m  s
425      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
426      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
427      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
428    
429      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
430    o GAD:
431      - generated new common blocks to account for call of
432        same gad routines with differing traceridentities
433        (needed to modify tracerIdentity indices in GAD.h)
434      - generated separate common blocks for case useCubedSphereExchange
435        (Department of Futurology)
436      - parameter lists to gmredi_?transport: added tracerIdentity
437      - added new key indices to tamc.h
438    o external_fields_load:
439      - added this routine to TAF list
440      - needed to make some common blocks global and additional storing
441        along the same lines as exf package (checkpoint_lev?_directives.h)
442    o exf:
443      updated external forcing package
444      - bug fixes carried over from ecco-branch
445        (missing OBCS_OPTIONS.h in two routines)
446      - enable easy to use "no forcing".
447      - added exf I/O for atmospheric loading
448      - added exf I/O for runoff data
449      - transfered scaling between exf <-> MITgcm to exf namelist
450    o Adding new verification experiment global_with_exf.
451      This verification experiment is almost identical to the
452      global_ocean.90x40x15 experiment, except that it uses
453      the exf (and cal) package instead of the
454      external_fields_load routine (cf README file).
455    
456    checkpoint46m_post
457    o modified testscript to return -- when there are no lines of "%MON" output
458    o added new flag "quasiHydrostatic" for QH mode
459      and new routine quasihydrostaticterms()
460    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
461      New routine: mom_u_coriolis_nh()
462    o fixed sign of non-hydrostatic metric terms in u and v equations.
463      Depend on correct sign of gravitySign.
464    o added work.pc* to .cvsignore in aim directories using ifc
465    o introduced flag for controllin non-hydrostatic metric terms
466    o removed gravitySign from PARM04
467    o switched to g77/ifc from pgf77 in aim experiments
468    
469    checkpoint46l_post
470    o made convective adjustment work with pressure coordinates:
471     - changed the direction of k-loop in convective_adjustment.F for the
472       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
473     - adjusted the reference pressure k-index in convective_adjustment.F
474     - adjusted the convection condition in convect.F (in analogy to
475       calc_ivdc.F)
476     - convective_adjustment no longer computes anything on the halos
477     - removed the warnings about negative salinity from find_rho.F and
478       find_alpha.F; instead the new routine look_for_neg_salinity, called
479       at the beginning of find_rho, find_alpha, and find_beta, does a
480       check of the entire slice, if CPP-option
481       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
482    checkpoint46l_pre
483    
484    checkpoint46k_post
485    o fixed the verification/global_ocean.90x40x15 experiment:
486     - new bathymetry (the world according to A., JMC, and M.)
487     - new initial fields and forcing fields (*.bin files)
488     - new POLY3.COEFFS (for the next release one should switch to a full
489       equation of state: JMD95P or MDJWF)
490     - fixed several errors and redundancies in the data file
491     - experiment uses looped cells
492     - added matlab directory with diagnostic scripts for plotting of output
493    
494    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
495     - read AIM physics parameters from a file (data.aimphys)
496     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
497    
498    checkpoint46j_post
499    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
500    o move wVel computation at the end of the time step, in S/R integr_continuity
501    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
502    o update timeave pkg for wVel diagnostic.
503    checkpoint46j_pre
504    
505    checkpoint46i_post
506    o Clean up AIM package (and keep the results unchanged):
507      include CPP_OPTION and use IMPLICT NONE in all routines ;
508      declare all the variables _RL ; use _d 0 for all numerical constants.
509      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
510    
511    checkpoint46h_post
512    o cleaned up the use of rhoNil and rhoConst.
513      - rhoNil should only appear in the LINEAR equation of state, everywhere
514        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
515        and the dynamical equations are all divided by rhoConst
516    o introduced new parameter rhoConstFresh, a reference density of fresh
517      water, to remove the fresh water flux's dependence on rhoNil. The default
518      value is 999.8 kg/m^3
519    o cleanup up external_forcing.F and external_forcing_surf.F
520      - can now be used by both OCEANIC and OCEANICP
521    checkpoint46h_pre
522    
523     Added code to convert surface volume flux (fresh water) into
524     a mass flux when using P coordinates in the ocean (OCEANICP).
525     Note: It assumes you have set rho0=rhoConst=density of fresh water.
526    
527    checkpoint46g_post
528    o Include a new diagnostic variable phiHydLow for the ocean model
529      - in z-coordinates, it is the bottom pressure anomaly
530      - in p-coordinates, it is the sea surface elevation
531      - in both cases, these variable have global drift, reflecting the mass
532        drift in z-coordinates and the volume drift in p-coordinates
533      - included time averaging for phiHydLow, be aware of the drift!
534    o depth-dependent computation of Bo_surf for pressure coordinates
535      in the ocean (buoyancyRelation='OCEANICP')
536      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
537        Theta, Salinity, and Pressure in the parameter list. This routine is
538        presently contained in find_rho.F. This routine does not give the
539        correct density for 'POLY3', which would be a z-dependent reference
540        density.
541    o cleaned up find_rho
542      - removed obsolete 'eqn' from the parameter list.
543    o added two new verification experiments: gop and goz
544      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
545    checkpoint46g_pre
546    
547    checkpoint46f_post
548    o Enable tangent linear (forward mode) gradient checks:
549      - extended active file handling to g_... files
550      - added TANGENT_SIMULATION to theSimulationMode
551      - extended grdchk package accordingly
552    o added tangent linear setup in verification/carbon/code_ftl
553    o added adjoint setup in verification/front_relax/code_ad
554    
555    checkpoint46e_post
556    o Added new equation of state -> MDJWF
557      - EOS of McDougall et al., 2002, JAOT, submitted
558      - caveat: the equation of state is only valid for a smaller (more
559        realistic?) range of values than JMD95P/Z and UNESCO
560      - added masks to the calculation of pressure in store_pressure
561      - added more check values for density in check_eos (ini_eos.F), some of
562        the old check values are out of the range of the MDJWF-eos, so don't
563        expect perfect matches for those
564    checkpoint46e_pre
565    
566    checkpoint46d_post
567    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
568      'OCEANICP', also initialised field pressure correctly in ini_eos in the
569      case of pressure coordinates. eosType='JMD95Z' in
570      combination with buoyancyRelation='OCEANICP' now causes an error.
571    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
572      in find_alpha/beta.
573    checkpoint46d_pre
574    
575    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
576      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
577    
578    checkpoint46c_post
579    o Changes necessary for ocean in p-coordinates
580     -  Added new buoyancy relation = 'OCEANICP'
581     -  Added new parameters = gravitySign (this used to be contained inside
582        the factor dRdZ which I added when we first switched to R coordinates).
583     X GM/Redi is not compatible (yet)
584     X bottom drag and no-slip need to be debugged.
585    checkpoint46c_pre
586    
587    checkpoint46b_post
588    o Added new equation of state -> JMD95Z and JMD95P
589      - EOS of Jackett and McDougall, 1995, JAOT
590      - moved all EOS parameters into EOS.h
591      - new routines ini_eos.F, store_pressure.F
592    o Added UNESCO EOS, but not recommended because it requires
593      in-situ temperature (see JMD95)
594    o Modified formatting for knudsen2.f in utils/knudsen2 and added
595      unesco.f to be used with POLY3
596    checkpoint46b_pre
597    
598    checkpoint46a_post
599    o Added (atmospheric) pressure loading
600      - new field in FFIELDS.h, etc...
601      - new cpp flag ATMOSPHERIC_LOADING
602    o Changed hFacC to _hFacC in calc_phi_hyd.F
603    o Added SHORTWAVE_HEATING to some files for consistency
604    checkpoint46a_pre
605    
606    checkpoint46
607    further merges from release1_p5
608    o new ctrl package
609      - adopted from ECCO environment to enable optimization
610      - added Eliassen Palm fluxes to controls
611    o added Eliassen Palm flux controls to gradient check package
612    o cost package
613      - Compatible with new ctrl package
614      - added Eliassen Palm cost hooks
615      - modif's of existing cost functions
616    o Adjoint-related bug fixes in kpp:
617      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
618      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
619    o autodiff package
620      - flow directives:
621        + new for S/R do_the_model_io
622        + enhanced for S/R checkpoint
623        + new gmredi.flow
624      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
625        disable adcommon.h/g_common.h by default.
626      - fixed problem for adjoint of global_max
627    o modified verification/carbon/
628    o New setup for adjoint of global_ocean
629    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
630    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
631    o incorporated hooks for sponge layer code (external_forcing.F)
632    
633    checkpoint45d_post
634    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
635    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
636      (affects plume_on_slope "cg2d" output)
637    o add new parameter deltaTfreesurf for free-surface time stepping
638    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
639    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
640    o change phiMin in exp1 (to agree with documentation)
641    o add new flags:
642     - T,S forcing inside/outside Adams-Bashforth
643     - turn off temp,salt advection and/or forcing
644     - for each tracer, define internal flag for multiDimAdvection & A-B
645    o monitor: change definition of KE to check conservation of Energy
646    
647    checkpoint45c_post
648    o Removed f90 comments ("!")
649    o Modified initialisations to enable exf package for MITgcm
650      (without invoking ECCO_PACKAGE).
651    o modifications to gradient check package (Martin Losch)
652      - enable centered differences
653      - modified format of standard output
654    
655    checkpoint45b_post
656    o cleaned exchange calls in cg2d
657    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
658    o included CPP option SINGLE_LAYER_MODE in thermodynamics
659      to configure barotropic setup (Martin Losch)
660    o moved some initialisations within bi,bj loop in dynamics
661      (TAF flow dependency)
662    o in initialise_varia, moved call packages_init_variables
663      before convective_adjustment_init
664      (corresponding adjustment of TAF tape initialisation).
665    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
666    
667    checkpoint45a_post
668    o compute Rho over the whole domain (extend iMin,jMin indices)
669    o specific exchange for X-slice domain (case Ny=1)
670    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
671    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
672    
673    checkpoint44h_post = checkpoint45
674    o Fix to restore differentiability:
675      place at which packages_init_variables is called in
676      initialise_varia is crucial for reverse control flow.
677    o modifications in GMRedi to enable stable adjoint
678      (corresponding modif's in thermodynamics, dynamics)
679    o added missing hook for sponge layer code in external_forcing
680    o modified test cost functions
681    o storing in gad_advection (plus removal of write(0,*)!
682    o missing headers TR1.h added in convective_adjustment routines
683    o errorMessageUnit set non-equal zero in eeboot
684      (conflict on some platforms, e.g. IBM SP3)
685    o modified carbon verif.
686    
687    checkpoint44h_pre
688    o vertical grid option: allow to put the Interface at the middle between
689      2 cell-centers ; replace delZ in pkg/kpp by drF.
690    o GM Advective form: Tracers are advected using the residual transport (=
691      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
692    
693    checkpoint44g_post
694    o fix surface correction term in multiDimAdvection (affects plume_on_slope
695      results) ; ifdef missing in thermodynamics.F
696    
697    checkpoint44f_pre,checkpoint44f_post
698    o added PTRACERS package
699      This allows an arbitrary number of passive tracers to be integrated
700      forward simultaneously with the dynamicaly model.
701      + Implemented so far:
702        - basic forward algorithm (time-stepping, advection, diffusion, convection)
703        - I/O and checkpointing
704        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
705      + Not implemented so far:
706        - KPP
707        - OBCS
708      + No specific example supplied (yet) but global_ocean.90x40x15 has the
709        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
710        line in data.pkg.
711      + This package is disabled by default since it increases storage.
712    
713    
714    o testscript: added -cleanup option
715    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
716                 b) enable to filter 2D fields.
717    
718    checkpoint44e_pre,post
719    o re-wrote convective adjustment to use pre-calculated weights
720      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
721      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
722      Original calls to convect() still in place.
723    
724    chkpt44d_pre,post
725    o added missing EXCLUDE_MONITOR flags
726    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
727      (incompatible typ in MIN/MAX expressions caused problems
728      on IBM SP3)
729    o in genmake added variable MAKEDEPEND
730      plus resetting for case SunOS
731    o added timer_stats.c routine for IBM SP3
732    o removed variables in dynamics
733    !!! I forgot to create tag chkpt44d_pre !!!
734    !!! But chkpt44d_pre = chkpt44c_post    !!!
735    
736    o real fresh water flux implemented with non-linear free-surface.
737    
738    chkpt44c_pre,post
739    o few fix (mask in shap_s2, EmPmR in external_field_load,
740      USE_NATURAL_BCS in solve_for_P);
741    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
742    
743    checkpoint44b_pre/_post
744    o merge of relevant stuff from the ecco-branch:
745      - genmake: removed $S64 overwrite for case SunOS
746      - pkg/exf: update and corrections for field swapping and obcs
747      - pkg/ecco: parameter lists for the_model_main, the_main_loop
748                  harmonized between ECCO and MITgcm
749      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
750                      updated checkpointing_lev... lists for obcs
751      - model/src: minor changes in forward_step, plot_field
752                   added directive for divided adjoint in the_main_loop
753      - pkg/mdsio: added mdsio_gl_slice
754    
755    o check parameters & config (chkpt44a_pre,post)
756    o OBC and NonLin_FrSurf.
757    
758    checkpoint44
759    o fix bug in mom_vi_del2uv
760    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
761    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
762    o update AIM experiments (NCEP input files)
763    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
764    o added some stuff for AD
765    
766    checkpoint43
767    o added two new advection tests
768    o added global 4x4 degree ocean test
769    o added test of H&S94 with free surface on cube
770    o some final mods for gradient check, adjoint,...
771    
772    checkpoint42
773      Fixed AD-related problems:
774    o Store directives up-to-date with re-arranged Adams-Bashforth
775      (mainly thermodynamics.F)
776    o New store directives for multi-dim. advection schemes
777      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
778      * new common block and key passkey
779      (mainly gad_advection.F)
780    o Modified store directives for split of dynamics/thermodynamics
781      for the case ALLOW_KPP
782    o Cleaned argument list for timestep_tracer.F
783    
784    checkpoint41
785    o re-formatted/added comments in prologues of key subroutines
786      to work with protex
787    
788    checkpoint40
789    o moved calc_gs, calc_gt and calc_tr1 back to model/src
790    o added FLT (floats) package from Arne along with demo. experiment
791    o re-arranged Adams-Bashforth scheme for tracers to allow easier
792      implementation of forward-in-time forcing terms
793    o more mods for non-linear free-surface including new variable
794    o modified multi-dim method to work on cube
795    o bug fix in KPP (from DM)
796    
797    checkpoint40pre9
798    o added DST advection schemes
799    o fix MPI bug on SGI's
800    o modifications for non-linear free-surface
801    o fixed conditionals for fixed flow/passive tracer only mode
802    o added tension/strain form of stress tensor
803    o changes to commenting of arguments for TAF/TAMC
804    o added/updated many matlab scripts
805    o added multi-dimensional advection method for tracers
806      
807    checkpoint40pre8
808    o new package rw/
809      Added method for dumping intermediate local arrays:
810      mdsio_writetile - same as mdsio_writefield except works from inside
811                        bi,bj loop
812      mdsio_writelocal - same as mdsio_writetile except works for local
813                         arrays
814      write_local_r? - higher-level wrapper for mdsio_writelocal
815      Controlled by diagFreq. Defaults to zero (ie. no dumps)
816      Example given at end of mom_vecinv.F that dumps some local arrays.
817    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
818      control flux-form versus vector invariant code.
819      Switch is runtime flag vectorInvariantMomentum (defaults to false)
820      or genmake -DISABLE ...
821    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
822      (additional storing is now needed for case vecinv;
823      currently nothing implemented to switch this storing off
824      in case fluxform is used since no CPP flag available).
825    
826    checkpoint40pre7
827    o bug fix in dynamics.F
828      calc_viscosity called before k=1,Nr loop.
829    o added some #ifdef's ALLOW_PASSIVE_TRACER
830    o cleaned initialisations in ctrl_map_ini
831      related to TAF
832    
833    checkpoint40pre6
834    o split dynamics into thermodynamics & dynamics
835    o corresponding split of calc_diffusivity into
836      calc_diffusivity, calc_viscosity
837      (kpp_calc_diff, kpp_calc_visc).
838    o Added diffkr, kapgm to control variables
839    o bug fix in gmredi_slope_limit for ldd97
840    
841    checkpoint40pre5
842    o proper initialization of Adams-Bashforth time stepping
843      + uses forward step for very first step of model (iter=0)
844    o re-generated *all* output since almost all output is modified by this
845      change (sorry but we've been putting this one off for about 2 years)
846      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
847        *not* regenerated since they are already out of date and I don't
848        want to create the impression that they are suddenly working.
849    o removed KAP stuff for DEC's
850    o modified/added many .cvsignore files in */code and */input
851    o added new expt "solid-body.cs-32x32x1"
852      + this uses an alternative form of ini_curvilinear_grid.F which
853        is not necessarily any better than the current one...
854    
855    checkpoint40pre4
856    o added re-initialisations of utrans,vtrans,rtrans in
857      calc_common_factors which are crucial for TAF.
858    o extended iMin,jMin range for calc_common_factors,
859      calc_diffusivity
860    o added option ALLOW_PASSIVE_TRACER
861    o a few minor updates and fixes
862    
863    checkpoint40pre3
864    o created calc_gtr1.F for gad package
865    o split the_main_loop and re-introduced forward_step
866    o some recomputations of nIter0 for TAMC
867    
868    checkpoint40pre2
869    o Updated to latest branch of AJA, JMC
870    o Added gradient check package
871    o Added routines for passive tracer handling
872    o Added carbon sequestration sensitivity experiment
873    
874    checkpoint39
875     o Modifications and fixes to support TAMC
876       (mainly missing or wrong directives)
877     o Corrected common blocks when fooling TAMC to produce adjoint I/O
878       in addummy_in_stepping
879     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
880     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
881     o Included following packages:
882       cal: calendar
883       exf: external forcing
884       ecco: essential routines to control use of cal, exf
885             (NB: this is not the full ECCO environment)
886     o disabled some packages by default in genmake
887    
888    checkpoint38
889     o see notes_c37_adj.txt
890     o corrected wrong layer index in external_forcing_t
891     o replaced the_main_loop/forward_step by the_main_loop
892     o removed forceoutput from write_state
893       (replaced criteria for initial/final state)
894     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
895    
896    checkpoint37
897     o mdsio.F routine split and packaged in pkg/mdsio
898       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
899        used unless genmake -disable=mdsio)
900     o allow a more precise surface-geopotential gradient for the atmosphere
901       taking into account the change in space of Alpha (=1/rho) at the surface.
902     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
903       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
904     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
905       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
906       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
907     o Time-Average diagnostics defined as a pseudo package "timeave".
908     o pickup files : old pickup (before c35) did not work with new code (c35
909       and after) unless activating 2 commented lines in initialise-varia.
910     o Non-Hydrostatic pickup file Pb fixed.
911     o bug with Rigid-lid version (since c35) fixed.  
912    
913    checkpoint36
914     o implement Crank-Nickelson barotropic time-stepping
915     o recover Time-Average diagnostics
916     o fix Pb in checkpoint (PR#19)
917     o AIM become a standard package ; clean unused CPP_kees
918    
919    checkpoint35
920     o subtantial rewrite of dynamics.f
921     o allows staggered time-stepping
922     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
923     o added bottom drag (linear + quadratic)
924    
925    checkpoint34
926     o Modified exchange routines for correct reverse simulation.
927     o Added verification output to comply with bug fix in impldiff.F
928       as of c33 (exp2, natl_box).
929     o Corrected store directives in dynamics.F
930     o Corrected array boundaries in impldiff.F
931     o Corrected array dimensions in gmredi.
932       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
933     o Added routine GLOBAL_SUM_INT to global_sum.F
934     o Added mdsio_gl.F for ECCO purposes.
935    
936    checkpoint33
937     o Fixed bug in lower BC in impldiff.F
938     o Fixed confusion about units of forcing arrays in FFIELDS.h
939       namely Fu,Fv,Qnet,Qsw,EmPmR:
940       - Removed verification/natl_box/code/external_fields_scale.F
941         (did not differ from that in model/src)
942       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
943         (see FFIELDS.h for description)
944       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
945         kpp_calc.F and kpp_transport_t.F
946       - Removed model/src/external_fields_scale.F and calls to it
947       - verification/natl_box uses flux data with "atmospheric" sign so
948         a special version of external_fields_load.F is used to
949         change the data as it's read in. This way, the arrays
950         have the right units and signs at all times tha a user could
951         possibly use them.
952     o Corrected genmake to delete a temporary file during configuration
953    
954    checkpoint32
955     o Scaling of forcing fields moved from external_forcing.F to
956       external_fields_scale.F, called directly after loading fields.
957     o Surface relaxation terms added to surface tendency fields in
958       extra subroutine.
959     o impldiff.F changed to avoid storing by TAMC of huge intermediate
960       fields.
961     o Changes in GMRedi to comply with packaging structure.
962     o Modifications and bug fixes in KPP package.
963     o Verification experiment for KPP added (verification/nat_box/)
964    
965    checkpoint31
966     o Packages interface brought in line with defined standard
967       -> new routines packages_...F
968       -> changes in initialise_fixed.F, initialise_varia.F
969       -> enables initialisation interface for ECCO package
970     o Rescaling of external forcing fields immediately after read
971       (removed from external_forcing.F)
972       -> new: surface_fields_scale.F
973       -> affects ini_foorcing.F, external_fields_load.F
974     o Computation of surface tendencies before tendency updates.
975       -> new: external_forcing_surf.F
976     o Change of variable names useGMRedi, useKPP, useECCO
977     o Further changes in dynamics.F, impldiff.F for TAMC
978     o Tested for experiments 0, 2, 4.
979       - not yet tested for GMRedi.
980       - not yet tested for KPP.
981    
982    checkpoint30
983     o Updates for OBCs
984     o New experiment for test OBCs (internal_wave)
985     o New output.txt in verification/exp4/results/
986     o Updates for KPP: calculation of viscosity corrected, new variables
987       kpp_dumpFreq and kpp_taveFreq
988     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
989       and entry for T90 in genmake
990    
991    checkpoint29
992     o packaged KPP and GM/Redi
993    
994    checkpoint28
995     o Corrected initialization of hFacMin for difference vertical coordinates
996     o Modified calculation of partial cell thickness to more robust algorithm
997     o config_summary.F: replaced write_1D_... by write_0D_...
998       read_write.F: added subroutines write_0D_...
999     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
1000       included some initialisations required for TAMC.
1001     o routine calc_isoslopes: modified sqrt computation to make it
1002       differentiable for zero argument.
1003     o routines dynamics, impldiff:
1004       included store directives and tape key computations required for TAMC.
1005     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
1006    
1007    checkpoint27
1008     o fixed calc_isoslopes() to so that cancellation of terms in tensor
1009       formulation works properly with variable resolution.
1010     o restructured the calling tree between the_model_main() and dynamics()
1011     o split initialise() into initialise_fixed() and initialise_varia()
1012     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
1013       in new routine ini_psurf()
1014    
1015    checkpoint26
1016     o moved some #ifdef in optional routines to encompass everything
1017       except the argument declarations. This was using up some memory.
1018     o fixed macros like _ADT to work with both versions of Linux cpp
1019     o cleaned up some unused and uninitialized variables
1020       (helps when debugging with strict compile options)
1021     o split up CPP_EEOPTIONS.h into options and macros
1022       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1023     o patch for 2 processor JAM mode
1024    
1025    checkpoint25
1026     o updates for OBCs and NH
1027     o dramatically reduced memory usage
1028     o added "JAM" routines for use on Artic network
1029     o parameterization of convection by implicit vertical diffusion
1030     o added a diagnostic of convective index
1031     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1032       (this is was partly for OBCs and NH but also in anticipation of
1033        an explicit free-surface option)
1034     o initial state input files for U and V
1035    
1036    checkpoint24
1037     o Removed some spurious "REAL"s
1038     o Updated KPP to latest version from JPL
1039     o Added a COS(latitude) in horizontal viscosity
1040    
1041    checkpoint23
1042     o Added del^4 diffusion for salt and temperature
1043     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1044    
1045    checkpoint22
1046     o Made many small changes: implicit none, format(i5), etc...
1047     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1048    
1049    checkpoint21
1050     o Introduced new I/O package that supports direct-access records (mdsio.F)
1051     o Split-up mid-level I/O routines
1052     o Updated input data for experiments 0,1,2,4 and 5
1053     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1054    
1055    checkpoint20
1056     o Tidied up open-boundaries some more
1057     o Added non-hydrostatic code
1058     o Fixed some input data
1059     o Modified MPI start-up to work in "coupled" context.
1060    
1061    checkpoint19
1062     o Tidied up directory structure for verification experiments.
1063     o Added new code for open boundaries.
1064     o Corrected advective terms near boundaries.
1065     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1066     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1067     o Split default parameters out of ini_parms.F into set_defaults.F.
1068    
1069    checkpoint18
1070     o Further changes for optional code generation with
1071       CPP - ugh!
1072    
1073    checkpoint17
1074     o Beginning to incorporating modularity
1075       for supporting atmos. and ocean configs.
1076     o Small changes for TAMC complinace
1077     o New ultra simple test case. Barotropic box
1078       configuration "exp0".
1079    
1080    checkpoint16
1081     o Minor changes to exchange routines to support
1082       accumulation in reverse mode. Adjoint of an
1083       assignment is an addition.
1084     o Changes to support compilation by TAMC (LR(1)
1085       syntax) and by g77 under Linux ( 72 character
1086       limit ).
1087    
1088    checkpoint15
1089     Rewrote exchange routines to allow
1090     o General tile <-> tile connectivity.
1091     o TAMC reverse mode flag ( is this really needed? )
1092     o Variable width overlap and exchange region widths.
1093     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1094       shmput/shmget, VIA, SYSV shmem and every other cool
1095       communication method.
1096    
1097    checkpoint14
1098     Consistent isomorphism chages made. These allow dynamical core
1099     to support both pressure and meters as a vertical coordinate.
1100    
1101    checkpoint13
1102     Release which corrects global_max problem and a couple
1103     of KGM time-averaging diagnostic errors. Also contains
1104     a double-gyre experiment setup as well as the baseline
1105     4 degree global template. The double gyre template is
1106     organised to allow it to be applied automatically to
1107     the baseline configuration.
1108    
1109    branch-point-rdot
1110     A few tidy-ups have been made bt the real point of this
1111     check-point (excuse the pun) is to allow a branch to be
1112     made for the purposes of adding the rDot alterations.
1113     I don't want to commit the rDot to the main-trunk until
1114     we've actually tested it...
1115    
1116    checkpoint12
1117     Tidy up and added generic genmake script (formerly
1118     configure script).
1119     Released to testers.
1120    
1121    checkpoint11
1122     Re-arranged initialise() and introduced ini_vertical_grid()
1123     and ini_masks_etc().
1124    
1125    checkpoint10
1126     Introduced the configure script.
1127     Separated out the diags package.
1128     Added template for writing time-averages of tile/intermediate quantities.
1129     Updated SIZE.h in exp2 and made the data big-endian.
1130    
1131    checkpoint9
1132     MPI fix. Filename changes (meta/data). salbin*y stuff.
1133     General tidy-up.
1134     SST.bin SSS.bin added to verification/exp2
1135    
1136    checkpoint8
1137     Inludes time-dependant forcing and time-averaging.
1138     Works at 4x4 and 2.8125x2.8125 global
1139    
1140    checkpoint7-4degree-ref
1141     Branch from checkpoint7. Released for application to
1142     global modeling and general modeling - process studies, regional
1143     model etc..
1144     Configured for verification/exp2 - 4 degree global, two process.
1145    
1146  checkpoint7  checkpoint7
1147   Created by cnh   Created by cnh
1148   Simple 4 degree global simulation   Simple 4 degree global simulation

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