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revision 1.3 by cnh, Mon Jun 8 19:25:25 1998 UTC revision 1.53.2.21 by dimitri, Wed Feb 5 07:12:59 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    release1_p11
7    o Modifications for using pkg/exf with pkg/seaice
8      - improved description of the various forcing configurations
9      - added basic radiation bulk formulae to pkg/exf
10      - units/sign fix for evap computation in exf_getffields.F
11      - updated verification/global_with_exf/results/output.txt
12    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
13      (SBO) core products, including oceanic mass, center-of-mass,
14      angular, and bottom pressure (see pkg/sbo/README.sbo).
15    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
16      to avoid negative values in shallow regions.
17    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
18    o Added useSingleCpuIO option (see PARAMS.h).
19    
20    release1_p10
21    o modifications for using pkg/exf with pkg/seaice
22      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
23        and SEAICE_EXTERNAL_FLUXES
24      - pkg/exf CPP options EXF_READ_EVAP and
25        EXF_NO_BULK_COMPUTATIONS
26      - usage examples are Experiments 8 and 9 in
27        verification/lab_sea/README
28      - verification/lab_sea default experiment now uses
29        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
30    
31    release1_p9
32    o pkg/seaice
33      - removed GOTO's and added taf directives
34      - double precision constants to reduce the g77 (Linux)
35        to F77 (SGI) differences reported in release1_p8
36    o tools/genmake
37      - added SGI options
38    o verification/testscript
39      - updated to that of checkpoint47a_post
40    o verification/global_ocean.90x40x15/input/eedata
41      - modified for SGI f77 compatibility
42    o verification/lab_sea
43      - added description of sea-ice model
44      - added missing matlab routines
45      - added test of thermodynamics parallelization
46    
47    release1_p8
48    o verification/natl_box:
49      updating new external_fields_load routine
50    o New package: pkg/seaice
51      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
52      The sea-ice code is based on Hibler (1979-1980).
53      Two sea-ice dynamic solvers, ADI and LSR, are included.
54      In addition to computing prognostic sea-ice variables and diagnosing
55      the forcing/external data fields that drive the ocean model,
56      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
57      The implied surface heat flux is then stored in variable
58      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
59      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
60      non-local transport term.  Because this call precedes model
61      thermodynamics, temperature under sea-ice may not be "exactly" at
62      the freezing point by the time theta is dumped or time-averaged.
63      N.B.: fairly large differences in accuracy occur across
64            different platforms/compilers; comparison between
65            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
66            generated output gives:
67       T           S           U           V
68      C D M    c        m  s        m  s        m  s        m  s
69      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
70      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
71      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
72    
73      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
74    
75    release1_p7
76    o GAD:
77      - generated new common blocks to account for call of
78        same gad routines with differing traceridentities
79        (needed to modify tracerIdentity indices in GAD.h)
80      - generated separate common blocks for case useCubedSphereExchange
81        (Department of Futurology)
82      - parameter lists to gmredi_?transport: added tracerIdentity
83      - added new key indices to tamc.h
84    o external_fields_load:
85      - added this routine to TAF list
86      - needed to make some common blocks global and additional storing
87        along the same lines as exf package (checkpoint_lev?_directives.h)
88    o exf:
89      updated external forcing package
90      - bug fixes carried over from ecco-branch
91        (missing OBCS_OPTIONS.h in two routines)
92      - enable easy to use "no forcing".
93      - added exf I/O for atmospheric loading
94      - added exf I/O for runoff data
95      - transfered scaling between exf <-> MITgcm to exf namelist
96    o Adding new verification experiment global_with_exf.
97      This verification experiment is almost identical to the
98      global_ocean.90x40x15 experiment, except that it uses
99      the exf (and cal) package instead of the
100      external_fields_load routine (cf README file).
101    
102    release1_p6
103    o fixed the verification/global_ocean.90x40x15 experiment:
104     - new bathymetry (the world according to A., JMC, and M.)
105     - new initial fields and forcing fields (*.bin files)
106     - new POLY3.COEFFS (for the next release one should switch to a full
107       equation of state)
108     - fixed several errors and redundancies in the data file
109     - experiment uses looped cells
110     - added matlab directory with diagnostic scripts for plotting of output
111    
112    release1_p5
113    o import recent fix from MAIN branch:
114      - use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
115      - change phiMin in exp1 (to agree with documentation)
116     from checkpoint45 to checkpoint45a_post:
117      - specific exchange for X-slice domain (case Ny=1)
118      - argument futureIter of S/R obcs_calc missing in
119        exp4 & internal_wave /code
120      - solve_for_pressure : set cg2d_x to zero where OBCS are applied
121     from checkpoint44f_post to checkpoint44g_post:
122      - fix surface correction term in multiDimAdvection
123        (affects plume_on_slope results
124    o bug fix in packages_readparms (missing ALLOW_CALENDAR)
125    o bug fix in CG2D.h (correct array size for LETS_MAKE_JAM
126    o Adjoint-related bug fixes in kpp:
127      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
128      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
129    o added Eliassen-Palm flux hooks (dynamics,ini_fields)
130    o removed unused TAF keys iikey, idkey (dynamics,thermodynamics)
131    o flow directives:
132      - new for S/R do_the_model_io
133      - enhanced for S/R checkpoint
134    o added Eliassen Palm flux controls to gradient check package
135    o new ctrl package
136      - adopted from ECCO environment to enable optimization
137      - added Eliassen Palm fluxes to controls
138      - adjusted global_ocean.90x40x15/ and carbon/ accordingly
139    
140    release1_p4
141    o Removed f90 comments ("!")
142    o Modified initialisations to enable exf package for MITgcm
143      (without invoking ECCO_PACKAGE).
144    o modifications to gradient check package (Martin Losch)
145      - enable centered differences
146      - modified format of standard output
147    
148    release1_p3
149    o added tangent linear setup to verification/carbon/
150    o added adjoint sensitivity setup to verification/global_ocean...
151    o moved packages_init_variables before convective_adjustment
152    o output of verif. which use GMRedi brought up-to-date with
153      MAIN trunk (those were re-created after changes in GMRedi)
154    o included CPP option SINGLE_LAYER_MODE
155      to configure barotropic setup (Martin Losch).
156    o Removed auxiliary variable in impldiff
157      (caused numerical differences with MAIN trunk routine).
158    o Introduced CPP option ALLOW_AUTODIFF_MONITOR to
159      disable adcommon.h/g_common.h by default.
160    o Cleaned exchange calls in cg2d.
161    
162    release1_p2
163    o fixed array boundary problem for adjoint
164      (related to partial recomputation within subroutine
165      related to dynamics -> calc_viscosity -> mom_...
166    o fixed recomputation in thermodynamics
167    o prepare (but not complete) recomputation problem in impldiff
168    o fixed problem for adjoint of global_max
169    o switched off sponge layer code in external_forcing
170    
171    release1_p1
172    o merged necessary patches:
173      - AD-related changes for GMRedi
174      - fixes i KPP (delZ -> drF)
175      - hook to OBCS songe layer code in external_forcing
176      - errorMessageUnit non-zero in eeboot.F
177      - modified test cost function and carbon verif.
178    
179    release1_chkpt44d_post = chkpt44d_post
180    
181    chkpt44d_pre,post
182    o added missing EXCLUDE_MONITOR flags
183    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
184      (incompatible typ in MIN/MAX expressions caused problems
185      on IBM SP3)
186    o in genmake added variable MAKEDEPEND
187      plus resetting for case SunOS
188    o added timer_stats.c routine for IBM SP3
189    o removed variables in dynamics
190    
191    o real fresh water flux implemented with non-linear free-surface.
192    
193    chkpt44c_pre,post
194    o few fix (mask in shap_s2, EmPmR in external_field_load,
195      USE_NATURAL_BCS in solve_for_P);
196    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
197    
198    checkpoint44b_pre/_post
199    o merge of relevant stuff from the ecco-branch:
200      - genmake: removed $S64 overwrite for case SunOS
201      - pkg/exf: update and corrections for field swapping and obcs
202      - pkg/ecco: parameter lists for the_model_main, the_main_loop
203                  harmonized between ECCO and MITgcm
204      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
205                      updated checkpointing_lev... lists for obcs
206      - model/src: minor changes in forward_step, plot_field
207                   added directive for divided adjoint in the_main_loop
208      - pkg/mdsio: added mdsio_gl_slice
209    
210    o check parameters & config (chkpt44a_pre,post)
211    o OBC and NonLin_FrSurf.
212    
213    checkpoint44
214    o fix bug in mom_vi_del2uv
215    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
216    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
217    o update AIM experiments (NCEP input files)
218    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
219    o added some stuff for AD
220    
221    checkpoint43
222    o added two new advection tests
223    o added global 4x4 degree ocean test
224    o added test of H&S94 with free surface on cube
225    o some final mods for gradient check, adjoint,...
226    
227    checkpoint42
228      Fixed AD-related problems:
229    o Store directives up-to-date with re-arranged Adams-Bashforth
230      (mainly thermodynamics.F)
231    o New store directives for multi-dim. advection schemes
232      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
233      * new common block and key passkey
234      (mainly gad_advection.F)
235    o Modified store directives for split of dynamics/thermodynamics
236      for the case ALLOW_KPP
237    o Cleaned argument list for timestep_tracer.F
238    
239    checkpoint41
240    o re-formatted/added comments in prologues of key subroutines
241      to work with protex
242    
243    checkpoint40
244    o moved calc_gs, calc_gt and calc_tr1 back to model/src
245    o added FLT (floats) package from Arne along with demo. experiment
246    o re-arranged Adams-Bashforth scheme for tracers to allow easier
247      implementation of forward-in-time forcing terms
248    o more mods for non-linear free-surface including new variable
249    o modified multi-dim method to work on cube
250    o bug fix in KPP (from DM)
251    
252    checkpoint40pre9
253    o added DST advection schemes
254    o fix MPI bug on SGI's
255    o modifications for non-linear free-surface
256    o fixed conditionals for fixed flow/passive tracer only mode
257    o added tension/strain form of stress tensor
258    o changes to commenting of arguments for TAF/TAMC
259    o added/updated many matlab scripts
260    o added multi-dimensional advection method for tracers
261      
262    checkpoint40pre8
263    o new package rw/
264      Added method for dumping intermediate local arrays:
265      mdsio_writetile - same as mdsio_writefield except works from inside
266                        bi,bj loop
267      mdsio_writelocal - same as mdsio_writetile except works for local
268                         arrays
269      write_local_r? - higher-level wrapper for mdsio_writelocal
270      Controlled by diagFreq. Defaults to zero (ie. no dumps)
271      Example given at end of mom_vecinv.F that dumps some local arrays.
272    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
273      control flux-form versus vector invariant code.
274      Switch is runtime flag vectorInvariantMomentum (defaults to false)
275      or genmake -DISABLE ...
276    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
277      (additional storing is now needed for case vecinv;
278      currently nothing implemented to switch this storing off
279      in case fluxform is used since no CPP flag available).
280    
281    checkpoint40pre7
282    o bug fix in dynamics.F
283      calc_viscosity called before k=1,Nr loop.
284    o added some #ifdef's ALLOW_PASSIVE_TRACER
285    o cleaned initialisations in ctrl_map_ini
286      related to TAF
287    
288    checkpoint40pre6
289    o split dynamics into thermodynamics & dynamics
290    o corresponding split of calc_diffusivity into
291      calc_diffusivity, calc_viscosity
292      (kpp_calc_diff, kpp_calc_visc).
293    o Added diffkr, kapgm to control variables
294    o bug fix in gmredi_slope_limit for ldd97
295    
296    checkpoint40pre5
297    o proper initialization of Adams-Bashforth time stepping
298      + uses forward step for very first step of model (iter=0)
299    o re-generated *all* output since almost all output is modified by this
300      change (sorry but we've been putting this one off for about 2 years)
301      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
302        *not* regenerated since they are already out of date and I don't
303        want to create the impression that they are suddenly working.
304    o removed KAP stuff for DEC's
305    o modified/added many .cvsignore files in */code and */input
306    o added new expt "solid-body.cs-32x32x1"
307      + this uses an alternative form of ini_curvilinear_grid.F which
308        is not necessarily any better than the current one...
309    
310    checkpoint40pre4
311    o added re-initialisations of utrans,vtrans,rtrans in
312      calc_common_factors which are crucial for TAF.
313    o extended iMin,jMin range for calc_common_factors,
314      calc_diffusivity
315    o added option ALLOW_PASSIVE_TRACER
316    o a few minor updates and fixes
317    
318    checkpoint40pre3
319    o created calc_gtr1.F for gad package
320    o split the_main_loop and re-introduced forward_step
321    o some recomputations of nIter0 for TAMC
322    
323    checkpoint40pre2
324    o Updated to latest branch of AJA, JMC
325    o Added gradient check package
326    o Added routines for passive tracer handling
327    o Added carbon sequestration sensitivity experiment
328    
329    checkpoint39
330     o Modifications and fixes to support TAMC
331       (mainly missing or wrong directives)
332     o Corrected common blocks when fooling TAMC to produce adjoint I/O
333       in addummy_in_stepping
334     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
335     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
336     o Included following packages:
337       cal: calendar
338       exf: external forcing
339       ecco: essential routines to control use of cal, exf
340             (NB: this is not the full ECCO environment)
341     o disabled some packages by default in genmake
342    
343    checkpoint38
344     o see notes_c37_adj.txt
345     o corrected wrong layer index in external_forcing_t
346     o replaced the_main_loop/forward_step by the_main_loop
347     o removed forceoutput from write_state
348       (replaced criteria for initial/final state)
349     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
350    
351    checkpoint37
352     o mdsio.F routine split and packaged in pkg/mdsio
353       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
354        used unless genmake -disable=mdsio)
355     o allow a more precise surface-geopotential gradient for the atmosphere
356       taking into account the change in space of Alpha (=1/rho) at the surface.
357     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
358       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
359     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
360       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
361       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
362     o Time-Average diagnostics defined as a pseudo package "timeave".
363     o pickup files : old pickup (before c35) did not work with new code (c35
364       and after) unless activating 2 commented lines in initialise-varia.
365     o Non-Hydrostatic pickup file Pb fixed.
366     o bug with Rigid-lid version (since c35) fixed.  
367    
368    checkpoint36
369     o implement Crank-Nickelson barotropic time-stepping
370     o recover Time-Average diagnostics
371     o fix Pb in checkpoint (PR#19)
372     o AIM become a standard package ; clean unused CPP_kees
373    
374    checkpoint35
375     o subtantial rewrite of dynamics.f
376     o allows staggered time-stepping
377     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
378     o added bottom drag (linear + quadratic)
379    
380    checkpoint34
381     o Modified exchange routines for correct reverse simulation.
382     o Added verification output to comply with bug fix in impldiff.F
383       as of c33 (exp2, natl_box).
384     o Corrected store directives in dynamics.F
385     o Corrected array boundaries in impldiff.F
386     o Corrected array dimensions in gmredi.
387       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
388     o Added routine GLOBAL_SUM_INT to global_sum.F
389     o Added mdsio_gl.F for ECCO purposes.
390    
391    checkpoint33
392     o Fixed bug in lower BC in impldiff.F
393     o Fixed confusion about units of forcing arrays in FFIELDS.h
394       namely Fu,Fv,Qnet,Qsw,EmPmR:
395       - Removed verification/natl_box/code/external_fields_scale.F
396         (did not differ from that in model/src)
397       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
398         (see FFIELDS.h for description)
399       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
400         kpp_calc.F and kpp_transport_t.F
401       - Removed model/src/external_fields_scale.F and calls to it
402       - verification/natl_box uses flux data with "atmospheric" sign so
403         a special version of external_fields_load.F is used to
404         change the data as it's read in. This way, the arrays
405         have the right units and signs at all times tha a user could
406         possibly use them.
407     o Corrected genmake to delete a temporary file during configuration
408    
409    checkpoint32
410     o Scaling of forcing fields moved from external_forcing.F to
411       external_fields_scale.F, called directly after loading fields.
412     o Surface relaxation terms added to surface tendency fields in
413       extra subroutine.
414     o impldiff.F changed to avoid storing by TAMC of huge intermediate
415       fields.
416     o Changes in GMRedi to comply with packaging structure.
417     o Modifications and bug fixes in KPP package.
418     o Verification experiment for KPP added (verification/nat_box/)
419    
420    checkpoint31
421     o Packages interface brought in line with defined standard
422       -> new routines packages_...F
423       -> changes in initialise_fixed.F, initialise_varia.F
424       -> enables initialisation interface for ECCO package
425     o Rescaling of external forcing fields immediately after read
426       (removed from external_forcing.F)
427       -> new: surface_fields_scale.F
428       -> affects ini_foorcing.F, external_fields_load.F
429     o Computation of surface tendencies before tendency updates.
430       -> new: external_forcing_surf.F
431     o Change of variable names useGMRedi, useKPP, useECCO
432     o Further changes in dynamics.F, impldiff.F for TAMC
433     o Tested for experiments 0, 2, 4.
434       - not yet tested for GMRedi.
435       - not yet tested for KPP.
436    
437    checkpoint30
438     o Updates for OBCs
439     o New experiment for test OBCs (internal_wave)
440     o New output.txt in verification/exp4/results/
441     o Updates for KPP: calculation of viscosity corrected, new variables
442       kpp_dumpFreq and kpp_taveFreq
443     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
444       and entry for T90 in genmake
445    
446    checkpoint29
447     o packaged KPP and GM/Redi
448    
449    checkpoint28
450     o Corrected initialization of hFacMin for difference vertical coordinates
451     o Modified calculation of partial cell thickness to more robust algorithm
452     o config_summary.F: replaced write_1D_... by write_0D_...
453       read_write.F: added subroutines write_0D_...
454     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
455       included some initialisations required for TAMC.
456     o routine calc_isoslopes: modified sqrt computation to make it
457       differentiable for zero argument.
458     o routines dynamics, impldiff:
459       included store directives and tape key computations required for TAMC.
460     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
461    
462    checkpoint27
463     o fixed calc_isoslopes() to so that cancellation of terms in tensor
464       formulation works properly with variable resolution.
465     o restructured the calling tree between the_model_main() and dynamics()
466     o split initialise() into initialise_fixed() and initialise_varia()
467     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
468       in new routine ini_psurf()
469    
470    checkpoint26
471     o moved some #ifdef in optional routines to encompass everything
472       except the argument declarations. This was using up some memory.
473     o fixed macros like _ADT to work with both versions of Linux cpp
474     o cleaned up some unused and uninitialized variables
475       (helps when debugging with strict compile options)
476     o split up CPP_EEOPTIONS.h into options and macros
477       (macros are now in eesupp/inc/CPP_EEMACROS.h)
478     o patch for 2 processor JAM mode
479    
480    checkpoint25
481     o updates for OBCs and NH
482     o dramatically reduced memory usage
483     o added "JAM" routines for use on Artic network
484     o parameterization of convection by implicit vertical diffusion
485     o added a diagnostic of convective index
486     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
487       (this is was partly for OBCs and NH but also in anticipation of
488        an explicit free-surface option)
489     o initial state input files for U and V
490    
491    checkpoint24
492     o Removed some spurious "REAL"s
493     o Updated KPP to latest version from JPL
494     o Added a COS(latitude) in horizontal viscosity
495    
496    checkpoint23
497     o Added del^4 diffusion for salt and temperature
498     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
499    
500    checkpoint22
501     o Made many small changes: implicit none, format(i5), etc...
502     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
503    
504    checkpoint21
505     o Introduced new I/O package that supports direct-access records (mdsio.F)
506     o Split-up mid-level I/O routines
507     o Updated input data for experiments 0,1,2,4 and 5
508     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
509    
510    checkpoint20
511     o Tidied up open-boundaries some more
512     o Added non-hydrostatic code
513     o Fixed some input data
514     o Modified MPI start-up to work in "coupled" context.
515    
516    checkpoint19
517     o Tidied up directory structure for verification experiments.
518     o Added new code for open boundaries.
519     o Corrected advective terms near boundaries.
520     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
521     o Implemented free-slip/no-slip BCs and del^4 dissipation.
522     o Split default parameters out of ini_parms.F into set_defaults.F.
523    
524    checkpoint18
525     o Further changes for optional code generation with
526       CPP - ugh!
527    
528    checkpoint17
529     o Beginning to incorporating modularity
530       for supporting atmos. and ocean configs.
531     o Small changes for TAMC complinace
532     o New ultra simple test case. Barotropic box
533       configuration "exp0".
534    
535    checkpoint16
536     o Minor changes to exchange routines to support
537       accumulation in reverse mode. Adjoint of an
538       assignment is an addition.
539     o Changes to support compilation by TAMC (LR(1)
540       syntax) and by g77 under Linux ( 72 character
541       limit ).
542    
543    checkpoint15
544     Rewrote exchange routines to allow
545     o General tile <-> tile connectivity.
546     o TAMC reverse mode flag ( is this really needed? )
547     o Variable width overlap and exchange region widths.
548     o Hooks for sharing data via DMA, Arctic, Memory Channel,
549       shmput/shmget, VIA, SYSV shmem and every other cool
550       communication method.
551    
552    checkpoint14
553     Consistent isomorphism chages made. These allow dynamical core
554     to support both pressure and meters as a vertical coordinate.
555    
556    checkpoint13
557     Release which corrects global_max problem and a couple
558     of KGM time-averaging diagnostic errors. Also contains
559     a double-gyre experiment setup as well as the baseline
560     4 degree global template. The double gyre template is
561     organised to allow it to be applied automatically to
562     the baseline configuration.
563    
564    branch-point-rdot
565     A few tidy-ups have been made bt the real point of this
566     check-point (excuse the pun) is to allow a branch to be
567     made for the purposes of adding the rDot alterations.
568     I don't want to commit the rDot to the main-trunk until
569     we've actually tested it...
570    
571    checkpoint12
572     Tidy up and added generic genmake script (formerly
573     configure script).
574     Released to testers.
575    
576    checkpoint11
577     Re-arranged initialise() and introduced ini_vertical_grid()
578     and ini_masks_etc().
579    
580    checkpoint10
581     Introduced the configure script.
582     Separated out the diags package.
583     Added template for writing time-averages of tile/intermediate quantities.
584     Updated SIZE.h in exp2 and made the data big-endian.
585    
586    checkpoint9
587     MPI fix. Filename changes (meta/data). salbin*y stuff.
588     General tidy-up.
589     SST.bin SSS.bin added to verification/exp2
590    
591    checkpoint8
592     Inludes time-dependant forcing and time-averaging.
593     Works at 4x4 and 2.8125x2.8125 global
594    
595    checkpoint7-4degree-ref
596     Branch from checkpoint7. Released for application to
597     global modeling and general modeling - process studies, regional
598     model etc..
599     Configured for verification/exp2 - 4 degree global, two process.
600    
601    checkpoint7
602     Created by cnh
603     Simple 4 degree global simulation
604     configuration.
605     Includes climatological wind,
606     hydrography, bathymetry etc
607     Does not include Heat Flux and E-P
608    
609    checkpoint6
610     Created by cnh
611     merged checkpoint5 with CD and
612     spherical polar code.
613     Still some problems with GM Redi
614     abd full topography.
615    
616  checkpoint5  checkpoint5
617   Created by AJA   Created by AJA
618   contains updates to GM Redi   contains updates to GM Redi

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