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revision 1.1 by cnh, Tue May 26 14:38:05 1998 UTC revision 1.157 by jmc, Thu May 22 03:24:12 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 AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
7          + change Evap over land. (update aim.5l_cs output)
8     o added missing .cvsignores and made uniform across expts
9     o changed configuration of tidal_basin_2d expt
10     o added pkg/debug functions for tracing code in fatal crashes
11     o tidied pkg/monitor to use MONITOR_OPTIONS.h
12     o new fn in pkg/monitor to stop model if solution grows too big
13     o removed lots of single quotes from comments
14    
15    checkpoint50e_post
16    o make KPP work with PTRACERS
17     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
18       nearly a copy of kpp_transport_s
19     - there is no analogue to SurfaceTendencyS, so I have to use
20       gPtr(of the surface layer) instead
21    o add a new platform SunFire+mpi (SunFire 15000) to genmake
22    checkpoint50e_pre
23    
24    checkpoint50d_post
25    o change kpp output from multiple-record state files to single-record state
26      files analogous to write_state.F
27    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
28      analogous to the cg2d-related output.
29    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
30      so that writing to internal file fn (with length 512) fails.
31    checkpoint50d_pre
32    
33    checkpoint50c_post
34    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
35    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
36    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
37    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
38    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
39    
40    checkpoint50c_pre
41    Merging from release1_p13:
42    o bug fix for pkg/seaice dynamic solver
43    o Added SEAICE_initialHEFF to pkg/seaice
44    
45    checkpoint50b_post
46    o store u*,v* in gU,V instead of in guNm1,gvNm1
47    o in order to put the momForcing out of the Adams-Bashforth:
48      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
49      to timestep.F
50    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
51    o re-generate output for highly sensitive test-exp:
52       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
53    
54    checkpoint50b_pre
55    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
56    o corrected CPP option mismatch in exf_Bulk... functions for case
57      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
58    
59    checkpoint50a_post
60    o Bug fix for merging between c50 and KPP.
61      ikey was passed from thermodynamics to kpp_calc via
62      common block rather than being recomputed in kpp_calc,
63      in contradiction with new key itdkey.
64      New key ikppkey created, and tamc.h headers updated.
65    
66    checkpoint50
67    - 2nd step of merge with ecco-branch:
68      merge changes in ecco-branch back into main trunk
69    - bug fix in find_alpha
70    - more storing in gmredi_calc_tensor.F, kpp_routines.F
71    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
72    - merged some sliced AD support routines
73    
74    checkpoint49
75    merged from ecco-branch:
76    o exf:
77      - Enable initialisation of forcing fields to constant
78        (runtime) values.
79      - in exf_getffields.F
80        Reduce i-/j-loop to interior domain, discarding overlaps.
81        That also fixes wrong TAF-key computations for key_1, key_2
82        with bulf formulae.
83      - exf_init.F modify #ifdef for exf_init_evap
84      - exf_getffieldrec.F, ctrl_getrec.F
85        The following INT-usages are not safe:
86          fldsecs  = int(fldsecs/fldperiod)*fldperiod
87          fldcount = int(fldsecs/fldperiod) + 1
88        and were modified.
89    o autodiff: checkpoint_lev...
90      - updated storing for bulk formulae (some arrays were missing)
91      - added state for seaice package
92      - synchronized with main branch
93    o DIVA:
94      Modif.s in
95      - the_main_loop.F
96      - the_model_main.F
97      and added cost_final_restore.F cost_final_store.F
98      o With these changes, it is possible to fully separate
99        the first forward run to compute the cost function (mdthe_main_loop)
100        and adjoint runs over individual DIVA intervals (adthe_main_loop)
101        into separate model executions.
102        This enables better tuning of DIVA to given queue sizes.
103      o Loss of cost function value in consecutive DIVA runs is
104        fixed by storing to 'costfinal' file.
105      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
106        beginning/end of adjoint integration is accounted for.
107      The current changes apply to TAF-1.4.26.
108      TAF has one remaining bug, requiring one manual change
109      (see MITgcm manual).
110    o cal: synchronized between MAIN and ecco-branch
111    
112    checkpoint48i_post
113    o Changes to restore differentiability of code w.r.t. previous tag
114      (mostly adding new routines to make list and replacing
115      pressure by totPhiHyd).
116    o Updated and merged grdchk package
117      - has both ADM and TLM checks
118      - works for single- and multi-proc.
119      - output cleaned
120      - worked successfully for parallel DIVA
121    o genmake:
122      - Adding -platform=SP4
123      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
124    o Modif. for DIVA:
125      ctrl_unpack should not be called in intermediate DIVA interval.
126      (similar thing would apply for active files such as
127      tbar, sbar, psbar, which should not be reinitialised;
128      only relevant for ecco-branch)
129    
130    checkpoint48h_post
131    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
132    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
133    o Added SEAICE_initialHEFF to pkg/seaice
134    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
135    
136    checkpoint48g_post
137    --- EOS:
138    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
139      store total Potential in totPhyHyd for diagnostics & EOS.
140    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
141    --- Pressure/geopotential gradient:
142    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
143    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
144      ( changes results of global_ocean_pressure )
145    o NLFS + z-coord.: add eta*Rho' contribution.
146    o accurate phiHyd when using interface-W at the middle between 2 centers
147     ( changes results of ideal_2D_oce )
148    o includes r* 2nd term in potential gradient.
149    
150    checkpoint48f_post
151    Merging from release1_p12:
152    o Modifications for using pkg/exf with pkg/seaice
153      - improved description of the various forcing configurations
154      - added basic radiation bulk formulae to pkg/exf
155      - units/sign fix for evap computation in exf_getffields.F
156      - updated verification/global_with_exf/results/output.txt
157    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
158      (SBO) core products, including oceanic mass, center-of-mass,
159      angular, and bottom pressure (see pkg/sbo/README.sbo).
160    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
161      to avoid negative values in shallow regions.
162      - updated verification/natl_box/results/output.txt
163      - updated verification/lab_sea/results/output.txt
164    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
165    o Added useSingleCpuIO option (see PARAMS.h).
166    o Updated useSingleCpuIO option in mdsio_writefield.F to
167      work with multi-field files, e.g., for single-file pickup.
168    o pkg/seaice:
169      - bug fix in growth.F: QNET for no shortwave case
170      - added HeffFile for specifying initial sea-ice thickness
171      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
172    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
173      kpp_transport_t.F, forward_step.F, and the_main_loop.F
174    o pkg/seaice:
175      - adjoint-friendly modifications
176      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
177    
178    checkpoint48e_post
179    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
180    o dynamics: change definition of computational domain & adapt mom_fluxform
181      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
182    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
183        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
184        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
185        global_ocean.90x40x15 global_with_exf global_ocean_pressure
186        inverted_barometer solid-body.cs-32x32x1
187      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
188    
189    checkpoint48d_post
190    o in preparation for r*:
191     a) use pre-computed gradient of hydrostatic potential:
192        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
193     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
194        => affects results of glob_oce_pressure (different truncation error)  
195      update output.txt of ideal_2D_oce & global_ocean_pressure
196    
197    checkpoint48d_pre
198    o in preparation for r*:
199      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
200      pass the 2 comp. of the grad. as arguments to momentum S/R.
201      but for the moment, only used if it does not change the results.
202    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
203    
204    checkpoint48c_post
205    Modifications in treatment of initial flux forcing controls
206    to avoid extra storing of flux fields.
207    
208    checkpoint48c_pre
209    o Added tidal_basin_2d experiment (currently 1D!)
210    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
211    
212    checkpoint48b_post
213    o r* coordinate added in #ifdef NONLIN_FRSURF block.
214     (modification to pressure gradient not yet implemented)
215    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
216      (for U & V) that are used for vertical advection of momentum.
217    
218    checkpoint48a_post
219    o In preparation for r*, use temp. array to compute vertical transport
220       in flux-form momentum pkg. => change results of few test-exp.
221      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
222                        lab_sea, natl_box & plume_on_slope
223    
224    checkpoint48
225    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
226    
227    checkpoint47j_post
228    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
229    o moved adexch from forward_step to addummy_in_stepping
230    o added exch in ctrl_map_...
231    o aveFreq.=0. at end of cost_final to avoid overwrite in
232      reverse checkpointing loop
233    o Yet more changes in gmredi:
234      * adgmredi_calc_tensor
235        avoiding all recomputation of gmredi_slope_limit
236      * adgmredi_x/y/rtransport
237        added flag for excessive storing to avoid recomp. of
238        u/v/rtans, dTdx/y/z
239        -> this is not really necessary and very memory-consuming
240      * adgmredi_slope_psi:
241        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
242      * gmredi_slope_limit
243        re-activated full calculation of taperfct for case 'ac02'
244    o updating verification/ adjoints of carbon, global_ocean.90x40x15
245    
246    checkpoint47i_post
247    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
248    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
249      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
250    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
251    o gmredi: fix few bugs.
252    
253    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
254    This will be a good checkpoint to plug into the ecco-branch.
255    o few modif.'s to get latest version adjointed
256      (mainly kick out code in ini_linear_phisurf)
257    o modif's to run adjoint with exactConserv
258    o case GM_BOLUS_ADVEC should be cleaned
259      S/R gmredi_slope_psi should be cleaned
260    o verification/carbon now has exactConserv=.TRUE.
261    
262    checkpoint47g_post
263    o time-average AIM output: becomes independent from statvars time-average
264      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
265    o After TAF bug fix:
266      Tested adjoint of gmredi package.
267      Tests were done with checkpoint47 rather than with latest
268      checkpoint47f_post since the latter is broken for the adjoint
269      verification/carbon/ contains both ADM and TLM gradient checks.
270    Here they are, before they get changed/lost/stolen.
271    Mostly modif.'s to fix numerical sensitivities.
272    Gradient checks OK for
273    - GM_taper_scheme:
274      * clipping
275      * ac02
276      * linear
277      * glw91
278      * dm95
279      * ldd97
280    - GMREDI_OPTIONS:
281      * GM_VISBECK_VARIABLE_K
282      * GM_NON_UNITY_DIAGONAL
283      * GM_EXTRA_DIAGONAL
284      * GM_BOLUS_ADVEC
285    in conjunction with data.gmredi parameters to be checked in
286    in a few minutes under verification/carbon/code/
287    
288    checkpoint47f_post
289    Merging from release1_p10:
290    o modifications for using pkg/exf with pkg/seaice
291      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
292        and SEAICE_EXTERNAL_FLUXES
293      - pkg/exf CPP options EXF_READ_EVAP and
294        EXF_NO_BULK_COMPUTATIONS
295      - usage examples are Experiments 8 and 9 in
296        verification/lab_sea/README
297      - verification/lab_sea default experiment now uses
298        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
299    
300    checkpoint47e_post
301    o created a tag prior to creating a branch
302    
303    checkpoint47d_post
304    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
305      at the bottom boundary had an erroneous half slip boundary condition
306    o added bottom drag and no slip boundary condition capabilities to
307      oceanic pressure coordinates code
308    o added new verification experiment global_ocean_pressure, this experiment is
309      also described in the tutorial section of the manual
310    checkpoint47d_pre
311    
312    checkpoint47c_post
313    o Added a verification experiment for a global cubed-sphere ocean run
314      -  verification/global_ocean.cubed32x32x30
315      -  uses pkg/therm_seaice and pkg/bulk_forcing
316    
317    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
318    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
319      when using P-coordinate; only implemented for atmospheric config.
320    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
321      NOTES: requires option NONLIN_FRSURF to be "#define".
322    o update advect_xz/results/output.txt (left from checkpoint44g_post)
323    
324    checkpoint47b_post
325    Merging from release1_p9:
326    o pkg/seaice
327      - removed GOTO's and added taf directives
328      - double precision constants to reduce the g77 (Linux)
329        to F77 (SGI) differences reported in release1_p8
330    o tools/genmake
331      - added SGI options
332    o verification/testscript
333      - updated to that of checkpoint47a_post
334    o verification/global_ocean.90x40x15/input/eedata
335      - modified for SGI f77 compatibility
336    o verification/lab_sea
337      - added description of sea-ice model
338      - added missing matlab routines
339      - added test of thermodynamics parallelization
340    
341    checkpoint47a_post
342    o new pkg: aim_v23
343     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
344       for now, keep the same surface forcing as before.
345     - Part-Cell implemented into AIM; check that Heat & Water are conserved
346     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
347     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
348    o add diagnostic of surface correction term in monitor output
349    
350    o bulk_force and therm_seaice
351    - Two packages:  bulk_force (Bulk forcing)
352      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
353    - Earlier integration from Stephaine Dutkiewicz
354      and Patrick Heimbach.
355    - Two ifdef statements for compile time,
356       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
357    
358    checkpoint47
359    differentiable version of checkpoint46n_post
360    o bug fix in quasihydrostaticterms
361    o * "clean" adjoint code (in terms of extensive recomputations)
362        can now be obtained for all GMREDI options (i.e. for
363        - GM_VISBECK_VARIABLE_K
364        - GM_NON_UNITY_DIAGONAL
365        - GM_EXTRA_DIAGONAL
366        - GM_BOLUS_ADVEC )
367      * However, wrong gradient check problem remains unsolved.
368      * New CPP options have been introduced for different
369        tapering schemes
370    o external_fields_load now part of differentiation list
371    o pressure needs multiple storing;
372      would be nice to have store_pressure at beginning or
373      end of forward_step, e.g. by having phiHyd global (5-dim.)
374      (NB: pressure is needed for certain cases in find_rho,
375      which is also invoked through convective_adjustment).
376    o recomputations in find_rho for cases
377     'JMD95'/'UNESCO' or 'MDJWF' are OK.
378    o #define ATMOSPHERIC_LOADING should be differentiable
379    o ini_forcing shifted to begining of initialise_varia
380    o Incorporating QNVS line search routines into MITgcm
381      (this is separate code, and therefore not under pkg)
382      lsopt/, optim/
383    o Updated verification/carbon/
384      - #define GM_VISBECK_VARIABLE_K
385      - GM_taper_scheme    = 'ldd97'    
386    
387    checkpoint46n_post
388    Merging from release1_p8:
389    o verification/natl_box:
390      updating new external_fields_load routine
391    o New package: pkg/seaice
392      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
393      The sea-ice code is based on Hibler (1979-1980).
394      Two sea-ice dynamic solvers, ADI and LSR, are included.
395      In addition to computing prognostic sea-ice variables and diagnosing
396      the forcing/external data fields that drive the ocean model,
397      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
398      The implied surface heat flux is then stored in variable
399      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
400      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
401      non-local transport term.  Because this call precedes model
402      thermodynamics, temperature under sea-ice may not be "exactly" at
403      the freezing point by the time theta is dumped or time-averaged.
404      N.B.: fairly large differences in accuracy occur across
405            different platforms/compilers; comparison between
406            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
407            generated output gives:
408       T           S           U           V
409      C D M    c        m  s        m  s        m  s        m  s
410      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
411      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
412      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
413    
414      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
415    o GAD:
416      - generated new common blocks to account for call of
417        same gad routines with differing traceridentities
418        (needed to modify tracerIdentity indices in GAD.h)
419      - generated separate common blocks for case useCubedSphereExchange
420        (Department of Futurology)
421      - parameter lists to gmredi_?transport: added tracerIdentity
422      - added new key indices to tamc.h
423    o external_fields_load:
424      - added this routine to TAF list
425      - needed to make some common blocks global and additional storing
426        along the same lines as exf package (checkpoint_lev?_directives.h)
427    o exf:
428      updated external forcing package
429      - bug fixes carried over from ecco-branch
430        (missing OBCS_OPTIONS.h in two routines)
431      - enable easy to use "no forcing".
432      - added exf I/O for atmospheric loading
433      - added exf I/O for runoff data
434      - transfered scaling between exf <-> MITgcm to exf namelist
435    o Adding new verification experiment global_with_exf.
436      This verification experiment is almost identical to the
437      global_ocean.90x40x15 experiment, except that it uses
438      the exf (and cal) package instead of the
439      external_fields_load routine (cf README file).
440    
441    checkpoint46m_post
442    o modified testscript to return -- when there are no lines of "%MON" output
443    o added new flag "quasiHydrostatic" for QH mode
444      and new routine quasihydrostaticterms()
445    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
446      New routine: mom_u_coriolis_nh()
447    o fixed sign of non-hydrostatic metric terms in u and v equations.
448      Depend on correct sign of gravitySign.
449    o added work.pc* to .cvsignore in aim directories using ifc
450    o introduced flag for controllin non-hydrostatic metric terms
451    o removed gravitySign from PARM04
452    o switched to g77/ifc from pgf77 in aim experiments
453    
454    checkpoint46l_post
455    o made convective adjustment work with pressure coordinates:
456     - changed the direction of k-loop in convective_adjustment.F for the
457       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
458     - adjusted the reference pressure k-index in convective_adjustment.F
459     - adjusted the convection condition in convect.F (in analogy to
460       calc_ivdc.F)
461     - convective_adjustment no longer computes anything on the halos
462     - removed the warnings about negative salinity from find_rho.F and
463       find_alpha.F; instead the new routine look_for_neg_salinity, called
464       at the beginning of find_rho, find_alpha, and find_beta, does a
465       check of the entire slice, if CPP-option
466       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
467    checkpoint46l_pre
468    
469    checkpoint46k_post
470    o fixed the verification/global_ocean.90x40x15 experiment:
471     - new bathymetry (the world according to A., JMC, and M.)
472     - new initial fields and forcing fields (*.bin files)
473     - new POLY3.COEFFS (for the next release one should switch to a full
474       equation of state: JMD95P or MDJWF)
475     - fixed several errors and redundancies in the data file
476     - experiment uses looped cells
477     - added matlab directory with diagnostic scripts for plotting of output
478    
479    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
480     - read AIM physics parameters from a file (data.aimphys)
481     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
482    
483    checkpoint46j_post
484    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
485    o move wVel computation at the end of the time step, in S/R integr_continuity
486    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
487    o update timeave pkg for wVel diagnostic.
488    checkpoint46j_pre
489    
490    checkpoint46i_post
491    o Clean up AIM package (and keep the results unchanged):
492      include CPP_OPTION and use IMPLICT NONE in all routines ;
493      declare all the variables _RL ; use _d 0 for all numerical constants.
494      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
495    
496    checkpoint46h_post
497    o cleaned up the use of rhoNil and rhoConst.
498      - rhoNil should only appear in the LINEAR equation of state, everywhere
499        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
500        and the dynamical equations are all divided by rhoConst
501    o introduced new parameter rhoConstFresh, a reference density of fresh
502      water, to remove the fresh water flux's dependence on rhoNil. The default
503      value is 999.8 kg/m^3
504    o cleanup up external_forcing.F and external_forcing_surf.F
505      - can now be used by both OCEANIC and OCEANICP
506    checkpoint46h_pre
507    
508     Added code to convert surface volume flux (fresh water) into
509     a mass flux when using P coordinates in the ocean (OCEANICP).
510     Note: It assumes you have set rho0=rhoConst=density of fresh water.
511    
512    checkpoint46g_post
513    o Include a new diagnostic variable phiHydLow for the ocean model
514      - in z-coordinates, it is the bottom pressure anomaly
515      - in p-coordinates, it is the sea surface elevation
516      - in both cases, these variable have global drift, reflecting the mass
517        drift in z-coordinates and the volume drift in p-coordinates
518      - included time averaging for phiHydLow, be aware of the drift!
519    o depth-dependent computation of Bo_surf for pressure coordinates
520      in the ocean (buoyancyRelation='OCEANICP')
521      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
522        Theta, Salinity, and Pressure in the parameter list. This routine is
523        presently contained in find_rho.F. This routine does not give the
524        correct density for 'POLY3', which would be a z-dependent reference
525        density.
526    o cleaned up find_rho
527      - removed obsolete 'eqn' from the parameter list.
528    o added two new verification experiments: gop and goz
529      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
530    checkpoint46g_pre
531    
532    checkpoint46f_post
533    o Enable tangent linear (forward mode) gradient checks:
534      - extended active file handling to g_... files
535      - added TANGENT_SIMULATION to theSimulationMode
536      - extended grdchk package accordingly
537    o added tangent linear setup in verification/carbon/code_ftl
538    o added adjoint setup in verification/front_relax/code_ad
539    
540    checkpoint46e_post
541    o Added new equation of state -> MDJWF
542      - EOS of McDougall et al., 2002, JAOT, submitted
543      - caveat: the equation of state is only valid for a smaller (more
544        realistic?) range of values than JMD95P/Z and UNESCO
545      - added masks to the calculation of pressure in store_pressure
546      - added more check values for density in check_eos (ini_eos.F), some of
547        the old check values are out of the range of the MDJWF-eos, so don't
548        expect perfect matches for those
549    checkpoint46e_pre
550    
551    checkpoint46d_post
552    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
553      'OCEANICP', also initialised field pressure correctly in ini_eos in the
554      case of pressure coordinates. eosType='JMD95Z' in
555      combination with buoyancyRelation='OCEANICP' now causes an error.
556    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
557      in find_alpha/beta.
558    checkpoint46d_pre
559    
560    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
561      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
562    
563    checkpoint46c_post
564    o Changes necessary for ocean in p-coordinates
565     -  Added new buoyancy relation = 'OCEANICP'
566     -  Added new parameters = gravitySign (this used to be contained inside
567        the factor dRdZ which I added when we first switched to R coordinates).
568     X GM/Redi is not compatible (yet)
569     X bottom drag and no-slip need to be debugged.
570    checkpoint46c_pre
571    
572    checkpoint46b_post
573    o Added new equation of state -> JMD95Z and JMD95P
574      - EOS of Jackett and McDougall, 1995, JAOT
575      - moved all EOS parameters into EOS.h
576      - new routines ini_eos.F, store_pressure.F
577    o Added UNESCO EOS, but not recommended because it requires
578      in-situ temperature (see JMD95)
579    o Modified formatting for knudsen2.f in utils/knudsen2 and added
580      unesco.f to be used with POLY3
581    checkpoint46b_pre
582    
583    checkpoint46a_post
584    o Added (atmospheric) pressure loading
585      - new field in FFIELDS.h, etc...
586      - new cpp flag ATMOSPHERIC_LOADING
587    o Changed hFacC to _hFacC in calc_phi_hyd.F
588    o Added SHORTWAVE_HEATING to some files for consistency
589    checkpoint46a_pre
590    
591    checkpoint46
592    further merges from release1_p5
593    o new ctrl package
594      - adopted from ECCO environment to enable optimization
595      - added Eliassen Palm fluxes to controls
596    o added Eliassen Palm flux controls to gradient check package
597    o cost package
598      - Compatible with new ctrl package
599      - added Eliassen Palm cost hooks
600      - modif's of existing cost functions
601    o Adjoint-related bug fixes in kpp:
602      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
603      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
604    o autodiff package
605      - flow directives:
606        + new for S/R do_the_model_io
607        + enhanced for S/R checkpoint
608        + new gmredi.flow
609      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
610        disable adcommon.h/g_common.h by default.
611      - fixed problem for adjoint of global_max
612    o modified verification/carbon/
613    o New setup for adjoint of global_ocean
614    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
615    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
616    o incorporated hooks for sponge layer code (external_forcing.F)
617    
618    checkpoint45d_post
619    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
620    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
621      (affects plume_on_slope "cg2d" output)
622    o add new parameter deltaTfreesurf for free-surface time stepping
623    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
624    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
625    o change phiMin in exp1 (to agree with documentation)
626    o add new flags:
627     - T,S forcing inside/outside Adams-Bashforth
628     - turn off temp,salt advection and/or forcing
629     - for each tracer, define internal flag for multiDimAdvection & A-B
630    o monitor: change definition of KE to check conservation of Energy
631    
632    checkpoint45c_post
633    o Removed f90 comments ("!")
634    o Modified initialisations to enable exf package for MITgcm
635      (without invoking ECCO_PACKAGE).
636    o modifications to gradient check package (Martin Losch)
637      - enable centered differences
638      - modified format of standard output
639    
640    checkpoint45b_post
641    o cleaned exchange calls in cg2d
642    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
643    o included CPP option SINGLE_LAYER_MODE in thermodynamics
644      to configure barotropic setup (Martin Losch)
645    o moved some initialisations within bi,bj loop in dynamics
646      (TAF flow dependency)
647    o in initialise_varia, moved call packages_init_variables
648      before convective_adjustment_init
649      (corresponding adjustment of TAF tape initialisation).
650    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
651    
652    checkpoint45a_post
653    o compute Rho over the whole domain (extend iMin,jMin indices)
654    o specific exchange for X-slice domain (case Ny=1)
655    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
656    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
657    
658    checkpoint44h_post = checkpoint45
659    o Fix to restore differentiability:
660      place at which packages_init_variables is called in
661      initialise_varia is crucial for reverse control flow.
662    o modifications in GMRedi to enable stable adjoint
663      (corresponding modif's in thermodynamics, dynamics)
664    o added missing hook for sponge layer code in external_forcing
665    o modified test cost functions
666    o storing in gad_advection (plus removal of write(0,*)!
667    o missing headers TR1.h added in convective_adjustment routines
668    o errorMessageUnit set non-equal zero in eeboot
669      (conflict on some platforms, e.g. IBM SP3)
670    o modified carbon verif.
671    
672    checkpoint44h_pre
673    o vertical grid option: allow to put the Interface at the middle between
674      2 cell-centers ; replace delZ in pkg/kpp by drF.
675    o GM Advective form: Tracers are advected using the residual transport (=
676      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
677    
678    checkpoint44g_post
679    o fix surface correction term in multiDimAdvection (affects plume_on_slope
680      results) ; ifdef missing in thermodynamics.F
681    
682    checkpoint44f_pre,checkpoint44f_post
683    o added PTRACERS package
684      This allows an arbitrary number of passive tracers to be integrated
685      forward simultaneously with the dynamicaly model.
686      + Implemented so far:
687        - basic forward algorithm (time-stepping, advection, diffusion, convection)
688        - I/O and checkpointing
689        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
690      + Not implemented so far:
691        - KPP
692        - OBCS
693      + No specific example supplied (yet) but global_ocean.90x40x15 has the
694        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
695        line in data.pkg.
696      + This package is disabled by default since it increases storage.
697    
698    
699    o testscript: added -cleanup option
700    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
701                 b) enable to filter 2D fields.
702    
703    checkpoint44e_pre,post
704    o re-wrote convective adjustment to use pre-calculated weights
705      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
706      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
707      Original calls to convect() still in place.
708    
709    chkpt44d_pre,post
710    o added missing EXCLUDE_MONITOR flags
711    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
712      (incompatible typ in MIN/MAX expressions caused problems
713      on IBM SP3)
714    o in genmake added variable MAKEDEPEND
715      plus resetting for case SunOS
716    o added timer_stats.c routine for IBM SP3
717    o removed variables in dynamics
718    !!! I forgot to create tag chkpt44d_pre !!!
719    !!! But chkpt44d_pre = chkpt44c_post    !!!
720    
721    o real fresh water flux implemented with non-linear free-surface.
722    
723    chkpt44c_pre,post
724    o few fix (mask in shap_s2, EmPmR in external_field_load,
725      USE_NATURAL_BCS in solve_for_P);
726    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
727    
728    checkpoint44b_pre/_post
729    o merge of relevant stuff from the ecco-branch:
730      - genmake: removed $S64 overwrite for case SunOS
731      - pkg/exf: update and corrections for field swapping and obcs
732      - pkg/ecco: parameter lists for the_model_main, the_main_loop
733                  harmonized between ECCO and MITgcm
734      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
735                      updated checkpointing_lev... lists for obcs
736      - model/src: minor changes in forward_step, plot_field
737                   added directive for divided adjoint in the_main_loop
738      - pkg/mdsio: added mdsio_gl_slice
739    
740    o check parameters & config (chkpt44a_pre,post)
741    o OBC and NonLin_FrSurf.
742    
743    checkpoint44
744    o fix bug in mom_vi_del2uv
745    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
746    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
747    o update AIM experiments (NCEP input files)
748    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
749    o added some stuff for AD
750    
751    checkpoint43
752    o added two new advection tests
753    o added global 4x4 degree ocean test
754    o added test of H&S94 with free surface on cube
755    o some final mods for gradient check, adjoint,...
756    
757    checkpoint42
758      Fixed AD-related problems:
759    o Store directives up-to-date with re-arranged Adams-Bashforth
760      (mainly thermodynamics.F)
761    o New store directives for multi-dim. advection schemes
762      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
763      * new common block and key passkey
764      (mainly gad_advection.F)
765    o Modified store directives for split of dynamics/thermodynamics
766      for the case ALLOW_KPP
767    o Cleaned argument list for timestep_tracer.F
768    
769    checkpoint41
770    o re-formatted/added comments in prologues of key subroutines
771      to work with protex
772    
773    checkpoint40
774    o moved calc_gs, calc_gt and calc_tr1 back to model/src
775    o added FLT (floats) package from Arne along with demo. experiment
776    o re-arranged Adams-Bashforth scheme for tracers to allow easier
777      implementation of forward-in-time forcing terms
778    o more mods for non-linear free-surface including new variable
779    o modified multi-dim method to work on cube
780    o bug fix in KPP (from DM)
781    
782    checkpoint40pre9
783    o added DST advection schemes
784    o fix MPI bug on SGI's
785    o modifications for non-linear free-surface
786    o fixed conditionals for fixed flow/passive tracer only mode
787    o added tension/strain form of stress tensor
788    o changes to commenting of arguments for TAF/TAMC
789    o added/updated many matlab scripts
790    o added multi-dimensional advection method for tracers
791      
792    checkpoint40pre8
793    o new package rw/
794      Added method for dumping intermediate local arrays:
795      mdsio_writetile - same as mdsio_writefield except works from inside
796                        bi,bj loop
797      mdsio_writelocal - same as mdsio_writetile except works for local
798                         arrays
799      write_local_r? - higher-level wrapper for mdsio_writelocal
800      Controlled by diagFreq. Defaults to zero (ie. no dumps)
801      Example given at end of mom_vecinv.F that dumps some local arrays.
802    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
803      control flux-form versus vector invariant code.
804      Switch is runtime flag vectorInvariantMomentum (defaults to false)
805      or genmake -DISABLE ...
806    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
807      (additional storing is now needed for case vecinv;
808      currently nothing implemented to switch this storing off
809      in case fluxform is used since no CPP flag available).
810    
811    checkpoint40pre7
812    o bug fix in dynamics.F
813      calc_viscosity called before k=1,Nr loop.
814    o added some #ifdef's ALLOW_PASSIVE_TRACER
815    o cleaned initialisations in ctrl_map_ini
816      related to TAF
817    
818    checkpoint40pre6
819    o split dynamics into thermodynamics & dynamics
820    o corresponding split of calc_diffusivity into
821      calc_diffusivity, calc_viscosity
822      (kpp_calc_diff, kpp_calc_visc).
823    o Added diffkr, kapgm to control variables
824    o bug fix in gmredi_slope_limit for ldd97
825    
826    checkpoint40pre5
827    o proper initialization of Adams-Bashforth time stepping
828      + uses forward step for very first step of model (iter=0)
829    o re-generated *all* output since almost all output is modified by this
830      change (sorry but we've been putting this one off for about 2 years)
831      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
832        *not* regenerated since they are already out of date and I don't
833        want to create the impression that they are suddenly working.
834    o removed KAP stuff for DEC's
835    o modified/added many .cvsignore files in */code and */input
836    o added new expt "solid-body.cs-32x32x1"
837      + this uses an alternative form of ini_curvilinear_grid.F which
838        is not necessarily any better than the current one...
839    
840    checkpoint40pre4
841    o added re-initialisations of utrans,vtrans,rtrans in
842      calc_common_factors which are crucial for TAF.
843    o extended iMin,jMin range for calc_common_factors,
844      calc_diffusivity
845    o added option ALLOW_PASSIVE_TRACER
846    o a few minor updates and fixes
847    
848    checkpoint40pre3
849    o created calc_gtr1.F for gad package
850    o split the_main_loop and re-introduced forward_step
851    o some recomputations of nIter0 for TAMC
852    
853    checkpoint40pre2
854    o Updated to latest branch of AJA, JMC
855    o Added gradient check package
856    o Added routines for passive tracer handling
857    o Added carbon sequestration sensitivity experiment
858    
859    checkpoint39
860     o Modifications and fixes to support TAMC
861       (mainly missing or wrong directives)
862     o Corrected common blocks when fooling TAMC to produce adjoint I/O
863       in addummy_in_stepping
864     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
865     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
866     o Included following packages:
867       cal: calendar
868       exf: external forcing
869       ecco: essential routines to control use of cal, exf
870             (NB: this is not the full ECCO environment)
871     o disabled some packages by default in genmake
872    
873    checkpoint38
874     o see notes_c37_adj.txt
875     o corrected wrong layer index in external_forcing_t
876     o replaced the_main_loop/forward_step by the_main_loop
877     o removed forceoutput from write_state
878       (replaced criteria for initial/final state)
879     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
880    
881    checkpoint37
882     o mdsio.F routine split and packaged in pkg/mdsio
883       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
884        used unless genmake -disable=mdsio)
885     o allow a more precise surface-geopotential gradient for the atmosphere
886       taking into account the change in space of Alpha (=1/rho) at the surface.
887     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
888       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
889     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
890       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
891       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
892     o Time-Average diagnostics defined as a pseudo package "timeave".
893     o pickup files : old pickup (before c35) did not work with new code (c35
894       and after) unless activating 2 commented lines in initialise-varia.
895     o Non-Hydrostatic pickup file Pb fixed.
896     o bug with Rigid-lid version (since c35) fixed.  
897    
898    checkpoint36
899     o implement Crank-Nickelson barotropic time-stepping
900     o recover Time-Average diagnostics
901     o fix Pb in checkpoint (PR#19)
902     o AIM become a standard package ; clean unused CPP_kees
903    
904    checkpoint35
905     o subtantial rewrite of dynamics.f
906     o allows staggered time-stepping
907     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
908     o added bottom drag (linear + quadratic)
909    
910    checkpoint34
911     o Modified exchange routines for correct reverse simulation.
912     o Added verification output to comply with bug fix in impldiff.F
913       as of c33 (exp2, natl_box).
914     o Corrected store directives in dynamics.F
915     o Corrected array boundaries in impldiff.F
916     o Corrected array dimensions in gmredi.
917       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
918     o Added routine GLOBAL_SUM_INT to global_sum.F
919     o Added mdsio_gl.F for ECCO purposes.
920    
921    checkpoint33
922     o Fixed bug in lower BC in impldiff.F
923     o Fixed confusion about units of forcing arrays in FFIELDS.h
924       namely Fu,Fv,Qnet,Qsw,EmPmR:
925       - Removed verification/natl_box/code/external_fields_scale.F
926         (did not differ from that in model/src)
927       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
928         (see FFIELDS.h for description)
929       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
930         kpp_calc.F and kpp_transport_t.F
931       - Removed model/src/external_fields_scale.F and calls to it
932       - verification/natl_box uses flux data with "atmospheric" sign so
933         a special version of external_fields_load.F is used to
934         change the data as it's read in. This way, the arrays
935         have the right units and signs at all times tha a user could
936         possibly use them.
937     o Corrected genmake to delete a temporary file during configuration
938    
939    checkpoint32
940     o Scaling of forcing fields moved from external_forcing.F to
941       external_fields_scale.F, called directly after loading fields.
942     o Surface relaxation terms added to surface tendency fields in
943       extra subroutine.
944     o impldiff.F changed to avoid storing by TAMC of huge intermediate
945       fields.
946     o Changes in GMRedi to comply with packaging structure.
947     o Modifications and bug fixes in KPP package.
948     o Verification experiment for KPP added (verification/nat_box/)
949    
950    checkpoint31
951     o Packages interface brought in line with defined standard
952       -> new routines packages_...F
953       -> changes in initialise_fixed.F, initialise_varia.F
954       -> enables initialisation interface for ECCO package
955     o Rescaling of external forcing fields immediately after read
956       (removed from external_forcing.F)
957       -> new: surface_fields_scale.F
958       -> affects ini_foorcing.F, external_fields_load.F
959     o Computation of surface tendencies before tendency updates.
960       -> new: external_forcing_surf.F
961     o Change of variable names useGMRedi, useKPP, useECCO
962     o Further changes in dynamics.F, impldiff.F for TAMC
963     o Tested for experiments 0, 2, 4.
964       - not yet tested for GMRedi.
965       - not yet tested for KPP.
966    
967    checkpoint30
968     o Updates for OBCs
969     o New experiment for test OBCs (internal_wave)
970     o New output.txt in verification/exp4/results/
971     o Updates for KPP: calculation of viscosity corrected, new variables
972       kpp_dumpFreq and kpp_taveFreq
973     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
974       and entry for T90 in genmake
975    
976    checkpoint29
977     o packaged KPP and GM/Redi
978    
979    checkpoint28
980     o Corrected initialization of hFacMin for difference vertical coordinates
981     o Modified calculation of partial cell thickness to more robust algorithm
982     o config_summary.F: replaced write_1D_... by write_0D_...
983       read_write.F: added subroutines write_0D_...
984     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
985       included some initialisations required for TAMC.
986     o routine calc_isoslopes: modified sqrt computation to make it
987       differentiable for zero argument.
988     o routines dynamics, impldiff:
989       included store directives and tape key computations required for TAMC.
990     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
991    
992    checkpoint27
993     o fixed calc_isoslopes() to so that cancellation of terms in tensor
994       formulation works properly with variable resolution.
995     o restructured the calling tree between the_model_main() and dynamics()
996     o split initialise() into initialise_fixed() and initialise_varia()
997     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
998       in new routine ini_psurf()
999    
1000    checkpoint26
1001     o moved some #ifdef in optional routines to encompass everything
1002       except the argument declarations. This was using up some memory.
1003     o fixed macros like _ADT to work with both versions of Linux cpp
1004     o cleaned up some unused and uninitialized variables
1005       (helps when debugging with strict compile options)
1006     o split up CPP_EEOPTIONS.h into options and macros
1007       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1008     o patch for 2 processor JAM mode
1009    
1010    checkpoint25
1011     o updates for OBCs and NH
1012     o dramatically reduced memory usage
1013     o added "JAM" routines for use on Artic network
1014     o parameterization of convection by implicit vertical diffusion
1015     o added a diagnostic of convective index
1016     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1017       (this is was partly for OBCs and NH but also in anticipation of
1018        an explicit free-surface option)
1019     o initial state input files for U and V
1020    
1021    checkpoint24
1022     o Removed some spurious "REAL"s
1023     o Updated KPP to latest version from JPL
1024     o Added a COS(latitude) in horizontal viscosity
1025    
1026    checkpoint23
1027     o Added del^4 diffusion for salt and temperature
1028     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1029    
1030    checkpoint22
1031     o Made many small changes: implicit none, format(i5), etc...
1032     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1033    
1034    checkpoint21
1035     o Introduced new I/O package that supports direct-access records (mdsio.F)
1036     o Split-up mid-level I/O routines
1037     o Updated input data for experiments 0,1,2,4 and 5
1038     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1039    
1040    checkpoint20
1041     o Tidied up open-boundaries some more
1042     o Added non-hydrostatic code
1043     o Fixed some input data
1044     o Modified MPI start-up to work in "coupled" context.
1045    
1046    checkpoint19
1047     o Tidied up directory structure for verification experiments.
1048     o Added new code for open boundaries.
1049     o Corrected advective terms near boundaries.
1050     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1051     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1052     o Split default parameters out of ini_parms.F into set_defaults.F.
1053    
1054    checkpoint18
1055     o Further changes for optional code generation with
1056       CPP - ugh!
1057    
1058    checkpoint17
1059     o Beginning to incorporating modularity
1060       for supporting atmos. and ocean configs.
1061     o Small changes for TAMC complinace
1062     o New ultra simple test case. Barotropic box
1063       configuration "exp0".
1064    
1065    checkpoint16
1066     o Minor changes to exchange routines to support
1067       accumulation in reverse mode. Adjoint of an
1068       assignment is an addition.
1069     o Changes to support compilation by TAMC (LR(1)
1070       syntax) and by g77 under Linux ( 72 character
1071       limit ).
1072    
1073    checkpoint15
1074     Rewrote exchange routines to allow
1075     o General tile <-> tile connectivity.
1076     o TAMC reverse mode flag ( is this really needed? )
1077     o Variable width overlap and exchange region widths.
1078     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1079       shmput/shmget, VIA, SYSV shmem and every other cool
1080       communication method.
1081    
1082    checkpoint14
1083     Consistent isomorphism chages made. These allow dynamical core
1084     to support both pressure and meters as a vertical coordinate.
1085    
1086    checkpoint13
1087     Release which corrects global_max problem and a couple
1088     of KGM time-averaging diagnostic errors. Also contains
1089     a double-gyre experiment setup as well as the baseline
1090     4 degree global template. The double gyre template is
1091     organised to allow it to be applied automatically to
1092     the baseline configuration.
1093    
1094    branch-point-rdot
1095     A few tidy-ups have been made bt the real point of this
1096     check-point (excuse the pun) is to allow a branch to be
1097     made for the purposes of adding the rDot alterations.
1098     I don't want to commit the rDot to the main-trunk until
1099     we've actually tested it...
1100    
1101    checkpoint12
1102     Tidy up and added generic genmake script (formerly
1103     configure script).
1104     Released to testers.
1105    
1106    checkpoint11
1107     Re-arranged initialise() and introduced ini_vertical_grid()
1108     and ini_masks_etc().
1109    
1110    checkpoint10
1111     Introduced the configure script.
1112     Separated out the diags package.
1113     Added template for writing time-averages of tile/intermediate quantities.
1114     Updated SIZE.h in exp2 and made the data big-endian.
1115    
1116    checkpoint9
1117     MPI fix. Filename changes (meta/data). salbin*y stuff.
1118     General tidy-up.
1119     SST.bin SSS.bin added to verification/exp2
1120    
1121    checkpoint8
1122     Inludes time-dependant forcing and time-averaging.
1123     Works at 4x4 and 2.8125x2.8125 global
1124    
1125    checkpoint7-4degree-ref
1126     Branch from checkpoint7. Released for application to
1127     global modeling and general modeling - process studies, regional
1128     model etc..
1129     Configured for verification/exp2 - 4 degree global, two process.
1130    
1131    checkpoint7
1132     Created by cnh
1133     Simple 4 degree global simulation
1134     configuration.
1135     Includes climatological wind,
1136     hydrography, bathymetry etc
1137     Does not include Heat Flux and E-P
1138    
1139    checkpoint6
1140     Created by cnh
1141     merged checkpoint5 with CD and
1142     spherical polar code.
1143     Still some problems with GM Redi
1144     abd full topography.
1145    
1146    checkpoint5
1147     Created by AJA
1148     contains updates to GM Redi
1149     and reordered timestepping loop
1150     for Implicit Diffusion.
1151    
1152    checkpoint4
1153     Created by cnh
1154     Contains memory saving macros ( _rdxc etc..) for when
1155     grid variations are limited.
1156     Contains polynomial coeffs for EOS and knudsen program
1157     for generation.
1158    
1159  checkpoint3  checkpoint3
1160   Created by cnh   Created by cnh
1161   Added extra flags for runtime options   Added extra flags for runtime options
# Line 20  checkpoint1 Line 1174  checkpoint1
1174   Restructured kloop in dynamics.F   Restructured kloop in dynamics.F
1175   Added non-linear EOS   Added non-linear EOS
1176    
1177  baseline - Original checked in code  baseline
1178     Original checked in code
1179    

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