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revision 1.1 by cnh, Tue May 26 14:38:05 1998 UTC revision 1.153 by jmc, Mon May 12 21:16:45 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    checkpoint50c_post
7    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
8    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
9    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
10    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
11    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
12    
13    checkpoint50c_pre
14    Merging from release1_p13:
15    o bug fix for pkg/seaice dynamic solver
16    o Added SEAICE_initialHEFF to pkg/seaice
17    
18    checkpoint50b_post
19    o store u*,v* in gU,V instead of in guNm1,gvNm1
20    o in order to put the momForcing out of the Adams-Bashforth:
21      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
22      to timestep.F
23    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
24    o re-generate output for highly sensitive test-exp:
25       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
26    
27    checkpoint50b_pre
28    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
29    o corrected CPP option mismatch in exf_Bulk... functions for case
30      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
31    
32    checkpoint50a_post
33    o Bug fix for merging between c50 and KPP.
34      ikey was passed from thermodynamics to kpp_calc via
35      common block rather than being recomputed in kpp_calc,
36      in contradiction with new key itdkey.
37      New key ikppkey created, and tamc.h headers updated.
38    
39    checkpoint50
40    - 2nd step of merge with ecco-branch:
41      merge changes in ecco-branch back into main trunk
42    - bug fix in find_alpha
43    - more storing in gmredi_calc_tensor.F, kpp_routines.F
44    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
45    - merged some sliced AD support routines
46    
47    checkpoint49
48    merged from ecco-branch:
49    o exf:
50      - Enable initialisation of forcing fields to constant
51        (runtime) values.
52      - in exf_getffields.F
53        Reduce i-/j-loop to interior domain, discarding overlaps.
54        That also fixes wrong TAF-key computations for key_1, key_2
55        with bulf formulae.
56      - exf_init.F modify #ifdef for exf_init_evap
57      - exf_getffieldrec.F, ctrl_getrec.F
58        The following INT-usages are not safe:
59          fldsecs  = int(fldsecs/fldperiod)*fldperiod
60          fldcount = int(fldsecs/fldperiod) + 1
61        and were modified.
62    o autodiff: checkpoint_lev...
63      - updated storing for bulk formulae (some arrays were missing)
64      - added state for seaice package
65      - synchronized with main branch
66    o DIVA:
67      Modif.s in
68      - the_main_loop.F
69      - the_model_main.F
70      and added cost_final_restore.F cost_final_store.F
71      o With these changes, it is possible to fully separate
72        the first forward run to compute the cost function (mdthe_main_loop)
73        and adjoint runs over individual DIVA intervals (adthe_main_loop)
74        into separate model executions.
75        This enables better tuning of DIVA to given queue sizes.
76      o Loss of cost function value in consecutive DIVA runs is
77        fixed by storing to 'costfinal' file.
78      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
79        beginning/end of adjoint integration is accounted for.
80      The current changes apply to TAF-1.4.26.
81      TAF has one remaining bug, requiring one manual change
82      (see MITgcm manual).
83    o cal: synchronized between MAIN and ecco-branch
84    
85    checkpoint48i_post
86    o Changes to restore differentiability of code w.r.t. previous tag
87      (mostly adding new routines to make list and replacing
88      pressure by totPhiHyd).
89    o Updated and merged grdchk package
90      - has both ADM and TLM checks
91      - works for single- and multi-proc.
92      - output cleaned
93      - worked successfully for parallel DIVA
94    o genmake:
95      - Adding -platform=SP4
96      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
97    o Modif. for DIVA:
98      ctrl_unpack should not be called in intermediate DIVA interval.
99      (similar thing would apply for active files such as
100      tbar, sbar, psbar, which should not be reinitialised;
101      only relevant for ecco-branch)
102    
103    checkpoint48h_post
104    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
105    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
106    o Added SEAICE_initialHEFF to pkg/seaice
107    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
108    
109    checkpoint48g_post
110    --- EOS:
111    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
112      store total Potential in totPhyHyd for diagnostics & EOS.
113    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
114    --- Pressure/geopotential gradient:
115    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
116    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
117      ( changes results of global_ocean_pressure )
118    o NLFS + z-coord.: add eta*Rho' contribution.
119    o accurate phiHyd when using interface-W at the middle between 2 centers
120     ( changes results of ideal_2D_oce )
121    o includes r* 2nd term in potential gradient.
122    
123    checkpoint48f_post
124    Merging from release1_p12:
125    o Modifications for using pkg/exf with pkg/seaice
126      - improved description of the various forcing configurations
127      - added basic radiation bulk formulae to pkg/exf
128      - units/sign fix for evap computation in exf_getffields.F
129      - updated verification/global_with_exf/results/output.txt
130    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
131      (SBO) core products, including oceanic mass, center-of-mass,
132      angular, and bottom pressure (see pkg/sbo/README.sbo).
133    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
134      to avoid negative values in shallow regions.
135      - updated verification/natl_box/results/output.txt
136      - updated verification/lab_sea/results/output.txt
137    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
138    o Added useSingleCpuIO option (see PARAMS.h).
139    o Updated useSingleCpuIO option in mdsio_writefield.F to
140      work with multi-field files, e.g., for single-file pickup.
141    o pkg/seaice:
142      - bug fix in growth.F: QNET for no shortwave case
143      - added HeffFile for specifying initial sea-ice thickness
144      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
145    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
146      kpp_transport_t.F, forward_step.F, and the_main_loop.F
147    o pkg/seaice:
148      - adjoint-friendly modifications
149      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
150    
151    checkpoint48e_post
152    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
153    o dynamics: change definition of computational domain & adapt mom_fluxform
154      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
155    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
156        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
157        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
158        global_ocean.90x40x15 global_with_exf global_ocean_pressure
159        inverted_barometer solid-body.cs-32x32x1
160      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
161    
162    checkpoint48d_post
163    o in preparation for r*:
164     a) use pre-computed gradient of hydrostatic potential:
165        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
166     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
167        => affects results of glob_oce_pressure (different truncation error)  
168      update output.txt of ideal_2D_oce & global_ocean_pressure
169    
170    checkpoint48d_pre
171    o in preparation for r*:
172      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
173      pass the 2 comp. of the grad. as arguments to momentum S/R.
174      but for the moment, only used if it does not change the results.
175    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
176    
177    checkpoint48c_post
178    Modifications in treatment of initial flux forcing controls
179    to avoid extra storing of flux fields.
180    
181    checkpoint48c_pre
182    o Added tidal_basin_2d experiment (currently 1D!)
183    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
184    
185    checkpoint48b_post
186    o r* coordinate added in #ifdef NONLIN_FRSURF block.
187     (modification to pressure gradient not yet implemented)
188    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
189      (for U & V) that are used for vertical advection of momentum.
190    
191    checkpoint48a_post
192    o In preparation for r*, use temp. array to compute vertical transport
193       in flux-form momentum pkg. => change results of few test-exp.
194      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
195                        lab_sea, natl_box & plume_on_slope
196    
197    checkpoint48
198    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
199    
200    checkpoint47j_post
201    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
202    o moved adexch from forward_step to addummy_in_stepping
203    o added exch in ctrl_map_...
204    o aveFreq.=0. at end of cost_final to avoid overwrite in
205      reverse checkpointing loop
206    o Yet more changes in gmredi:
207      * adgmredi_calc_tensor
208        avoiding all recomputation of gmredi_slope_limit
209      * adgmredi_x/y/rtransport
210        added flag for excessive storing to avoid recomp. of
211        u/v/rtans, dTdx/y/z
212        -> this is not really necessary and very memory-consuming
213      * adgmredi_slope_psi:
214        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
215      * gmredi_slope_limit
216        re-activated full calculation of taperfct for case 'ac02'
217    o updating verification/ adjoints of carbon, global_ocean.90x40x15
218    
219    checkpoint47i_post
220    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
221    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
222      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
223    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
224    o gmredi: fix few bugs.
225    
226    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
227    This will be a good checkpoint to plug into the ecco-branch.
228    o few modif.'s to get latest version adjointed
229      (mainly kick out code in ini_linear_phisurf)
230    o modif's to run adjoint with exactConserv
231    o case GM_BOLUS_ADVEC should be cleaned
232      S/R gmredi_slope_psi should be cleaned
233    o verification/carbon now has exactConserv=.TRUE.
234    
235    checkpoint47g_post
236    o time-average AIM output: becomes independent from statvars time-average
237      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
238    o After TAF bug fix:
239      Tested adjoint of gmredi package.
240      Tests were done with checkpoint47 rather than with latest
241      checkpoint47f_post since the latter is broken for the adjoint
242      verification/carbon/ contains both ADM and TLM gradient checks.
243    Here they are, before they get changed/lost/stolen.
244    Mostly modif.'s to fix numerical sensitivities.
245    Gradient checks OK for
246    - GM_taper_scheme:
247      * clipping
248      * ac02
249      * linear
250      * glw91
251      * dm95
252      * ldd97
253    - GMREDI_OPTIONS:
254      * GM_VISBECK_VARIABLE_K
255      * GM_NON_UNITY_DIAGONAL
256      * GM_EXTRA_DIAGONAL
257      * GM_BOLUS_ADVEC
258    in conjunction with data.gmredi parameters to be checked in
259    in a few minutes under verification/carbon/code/
260    
261    checkpoint47f_post
262    Merging from release1_p10:
263    o modifications for using pkg/exf with pkg/seaice
264      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
265        and SEAICE_EXTERNAL_FLUXES
266      - pkg/exf CPP options EXF_READ_EVAP and
267        EXF_NO_BULK_COMPUTATIONS
268      - usage examples are Experiments 8 and 9 in
269        verification/lab_sea/README
270      - verification/lab_sea default experiment now uses
271        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
272    
273    checkpoint47e_post
274    o created a tag prior to creating a branch
275    
276    checkpoint47d_post
277    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
278      at the bottom boundary had an erroneous half slip boundary condition
279    o added bottom drag and no slip boundary condition capabilities to
280      oceanic pressure coordinates code
281    o added new verification experiment global_ocean_pressure, this experiment is
282      also described in the tutorial section of the manual
283    checkpoint47d_pre
284    
285    checkpoint47c_post
286    o Added a verification experiment for a global cubed-sphere ocean run
287      -  verification/global_ocean.cubed32x32x30
288      -  uses pkg/therm_seaice and pkg/bulk_forcing
289    
290    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
291    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
292      when using P-coordinate; only implemented for atmospheric config.
293    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
294      NOTES: requires option NONLIN_FRSURF to be "#define".
295    o update advect_xz/results/output.txt (left from checkpoint44g_post)
296    
297    checkpoint47b_post
298    Merging from release1_p9:
299    o pkg/seaice
300      - removed GOTO's and added taf directives
301      - double precision constants to reduce the g77 (Linux)
302        to F77 (SGI) differences reported in release1_p8
303    o tools/genmake
304      - added SGI options
305    o verification/testscript
306      - updated to that of checkpoint47a_post
307    o verification/global_ocean.90x40x15/input/eedata
308      - modified for SGI f77 compatibility
309    o verification/lab_sea
310      - added description of sea-ice model
311      - added missing matlab routines
312      - added test of thermodynamics parallelization
313    
314    checkpoint47a_post
315    o new pkg: aim_v23
316     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
317       for now, keep the same surface forcing as before.
318     - Part-Cell implemented into AIM; check that Heat & Water are conserved
319     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
320     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
321    o add diagnostic of surface correction term in monitor output
322    
323    o bulk_force and therm_seaice
324    - Two packages:  bulk_force (Bulk forcing)
325      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
326    - Earlier integration from Stephaine Dutkiewicz
327      and Patrick Heimbach.
328    - Two ifdef statements for compile time,
329       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
330    
331    checkpoint47
332    differentiable version of checkpoint46n_post
333    o bug fix in quasihydrostaticterms
334    o * "clean" adjoint code (in terms of extensive recomputations)
335        can now be obtained for all GMREDI options (i.e. for
336        - GM_VISBECK_VARIABLE_K
337        - GM_NON_UNITY_DIAGONAL
338        - GM_EXTRA_DIAGONAL
339        - GM_BOLUS_ADVEC )
340      * However, wrong gradient check problem remains unsolved.
341      * New CPP options have been introduced for different
342        tapering schemes
343    o external_fields_load now part of differentiation list
344    o pressure needs multiple storing;
345      would be nice to have store_pressure at beginning or
346      end of forward_step, e.g. by having phiHyd global (5-dim.)
347      (NB: pressure is needed for certain cases in find_rho,
348      which is also invoked through convective_adjustment).
349    o recomputations in find_rho for cases
350     'JMD95'/'UNESCO' or 'MDJWF' are OK.
351    o #define ATMOSPHERIC_LOADING should be differentiable
352    o ini_forcing shifted to begining of initialise_varia
353    o Incorporating QNVS line search routines into MITgcm
354      (this is separate code, and therefore not under pkg)
355      lsopt/, optim/
356    o Updated verification/carbon/
357      - #define GM_VISBECK_VARIABLE_K
358      - GM_taper_scheme    = 'ldd97'    
359    
360    checkpoint46n_post
361    Merging from release1_p8:
362    o verification/natl_box:
363      updating new external_fields_load routine
364    o New package: pkg/seaice
365      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
366      The sea-ice code is based on Hibler (1979-1980).
367      Two sea-ice dynamic solvers, ADI and LSR, are included.
368      In addition to computing prognostic sea-ice variables and diagnosing
369      the forcing/external data fields that drive the ocean model,
370      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
371      The implied surface heat flux is then stored in variable
372      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
373      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
374      non-local transport term.  Because this call precedes model
375      thermodynamics, temperature under sea-ice may not be "exactly" at
376      the freezing point by the time theta is dumped or time-averaged.
377      N.B.: fairly large differences in accuracy occur across
378            different platforms/compilers; comparison between
379            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
380            generated output gives:
381       T           S           U           V
382      C D M    c        m  s        m  s        m  s        m  s
383      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
384      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
385      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
386    
387      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
388    o GAD:
389      - generated new common blocks to account for call of
390        same gad routines with differing traceridentities
391        (needed to modify tracerIdentity indices in GAD.h)
392      - generated separate common blocks for case useCubedSphereExchange
393        (Department of Futurology)
394      - parameter lists to gmredi_?transport: added tracerIdentity
395      - added new key indices to tamc.h
396    o external_fields_load:
397      - added this routine to TAF list
398      - needed to make some common blocks global and additional storing
399        along the same lines as exf package (checkpoint_lev?_directives.h)
400    o exf:
401      updated external forcing package
402      - bug fixes carried over from ecco-branch
403        (missing OBCS_OPTIONS.h in two routines)
404      - enable easy to use "no forcing".
405      - added exf I/O for atmospheric loading
406      - added exf I/O for runoff data
407      - transfered scaling between exf <-> MITgcm to exf namelist
408    o Adding new verification experiment global_with_exf.
409      This verification experiment is almost identical to the
410      global_ocean.90x40x15 experiment, except that it uses
411      the exf (and cal) package instead of the
412      external_fields_load routine (cf README file).
413    
414    checkpoint46m_post
415    o modified testscript to return -- when there are no lines of "%MON" output
416    o added new flag "quasiHydrostatic" for QH mode
417      and new routine quasihydrostaticterms()
418    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
419      New routine: mom_u_coriolis_nh()
420    o fixed sign of non-hydrostatic metric terms in u and v equations.
421      Depend on correct sign of gravitySign.
422    o added work.pc* to .cvsignore in aim directories using ifc
423    o introduced flag for controllin non-hydrostatic metric terms
424    o removed gravitySign from PARM04
425    o switched to g77/ifc from pgf77 in aim experiments
426    
427    checkpoint46l_post
428    o made convective adjustment work with pressure coordinates:
429     - changed the direction of k-loop in convective_adjustment.F for the
430       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
431     - adjusted the reference pressure k-index in convective_adjustment.F
432     - adjusted the convection condition in convect.F (in analogy to
433       calc_ivdc.F)
434     - convective_adjustment no longer computes anything on the halos
435     - removed the warnings about negative salinity from find_rho.F and
436       find_alpha.F; instead the new routine look_for_neg_salinity, called
437       at the beginning of find_rho, find_alpha, and find_beta, does a
438       check of the entire slice, if CPP-option
439       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
440    checkpoint46l_pre
441    
442    checkpoint46k_post
443    o fixed the verification/global_ocean.90x40x15 experiment:
444     - new bathymetry (the world according to A., JMC, and M.)
445     - new initial fields and forcing fields (*.bin files)
446     - new POLY3.COEFFS (for the next release one should switch to a full
447       equation of state: JMD95P or MDJWF)
448     - fixed several errors and redundancies in the data file
449     - experiment uses looped cells
450     - added matlab directory with diagnostic scripts for plotting of output
451    
452    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
453     - read AIM physics parameters from a file (data.aimphys)
454     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
455    
456    checkpoint46j_post
457    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
458    o move wVel computation at the end of the time step, in S/R integr_continuity
459    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
460    o update timeave pkg for wVel diagnostic.
461    checkpoint46j_pre
462    
463    checkpoint46i_post
464    o Clean up AIM package (and keep the results unchanged):
465      include CPP_OPTION and use IMPLICT NONE in all routines ;
466      declare all the variables _RL ; use _d 0 for all numerical constants.
467      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
468    
469    checkpoint46h_post
470    o cleaned up the use of rhoNil and rhoConst.
471      - rhoNil should only appear in the LINEAR equation of state, everywhere
472        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
473        and the dynamical equations are all divided by rhoConst
474    o introduced new parameter rhoConstFresh, a reference density of fresh
475      water, to remove the fresh water flux's dependence on rhoNil. The default
476      value is 999.8 kg/m^3
477    o cleanup up external_forcing.F and external_forcing_surf.F
478      - can now be used by both OCEANIC and OCEANICP
479    checkpoint46h_pre
480    
481     Added code to convert surface volume flux (fresh water) into
482     a mass flux when using P coordinates in the ocean (OCEANICP).
483     Note: It assumes you have set rho0=rhoConst=density of fresh water.
484    
485    checkpoint46g_post
486    o Include a new diagnostic variable phiHydLow for the ocean model
487      - in z-coordinates, it is the bottom pressure anomaly
488      - in p-coordinates, it is the sea surface elevation
489      - in both cases, these variable have global drift, reflecting the mass
490        drift in z-coordinates and the volume drift in p-coordinates
491      - included time averaging for phiHydLow, be aware of the drift!
492    o depth-dependent computation of Bo_surf for pressure coordinates
493      in the ocean (buoyancyRelation='OCEANICP')
494      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
495        Theta, Salinity, and Pressure in the parameter list. This routine is
496        presently contained in find_rho.F. This routine does not give the
497        correct density for 'POLY3', which would be a z-dependent reference
498        density.
499    o cleaned up find_rho
500      - removed obsolete 'eqn' from the parameter list.
501    o added two new verification experiments: gop and goz
502      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
503    checkpoint46g_pre
504    
505    checkpoint46f_post
506    o Enable tangent linear (forward mode) gradient checks:
507      - extended active file handling to g_... files
508      - added TANGENT_SIMULATION to theSimulationMode
509      - extended grdchk package accordingly
510    o added tangent linear setup in verification/carbon/code_ftl
511    o added adjoint setup in verification/front_relax/code_ad
512    
513    checkpoint46e_post
514    o Added new equation of state -> MDJWF
515      - EOS of McDougall et al., 2002, JAOT, submitted
516      - caveat: the equation of state is only valid for a smaller (more
517        realistic?) range of values than JMD95P/Z and UNESCO
518      - added masks to the calculation of pressure in store_pressure
519      - added more check values for density in check_eos (ini_eos.F), some of
520        the old check values are out of the range of the MDJWF-eos, so don't
521        expect perfect matches for those
522    checkpoint46e_pre
523    
524    checkpoint46d_post
525    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
526      'OCEANICP', also initialised field pressure correctly in ini_eos in the
527      case of pressure coordinates. eosType='JMD95Z' in
528      combination with buoyancyRelation='OCEANICP' now causes an error.
529    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
530      in find_alpha/beta.
531    checkpoint46d_pre
532    
533    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
534      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
535    
536    checkpoint46c_post
537    o Changes necessary for ocean in p-coordinates
538     -  Added new buoyancy relation = 'OCEANICP'
539     -  Added new parameters = gravitySign (this used to be contained inside
540        the factor dRdZ which I added when we first switched to R coordinates).
541     X GM/Redi is not compatible (yet)
542     X bottom drag and no-slip need to be debugged.
543    checkpoint46c_pre
544    
545    checkpoint46b_post
546    o Added new equation of state -> JMD95Z and JMD95P
547      - EOS of Jackett and McDougall, 1995, JAOT
548      - moved all EOS parameters into EOS.h
549      - new routines ini_eos.F, store_pressure.F
550    o Added UNESCO EOS, but not recommended because it requires
551      in-situ temperature (see JMD95)
552    o Modified formatting for knudsen2.f in utils/knudsen2 and added
553      unesco.f to be used with POLY3
554    checkpoint46b_pre
555    
556    checkpoint46a_post
557    o Added (atmospheric) pressure loading
558      - new field in FFIELDS.h, etc...
559      - new cpp flag ATMOSPHERIC_LOADING
560    o Changed hFacC to _hFacC in calc_phi_hyd.F
561    o Added SHORTWAVE_HEATING to some files for consistency
562    checkpoint46a_pre
563    
564    checkpoint46
565    further merges from release1_p5
566    o new ctrl package
567      - adopted from ECCO environment to enable optimization
568      - added Eliassen Palm fluxes to controls
569    o added Eliassen Palm flux controls to gradient check package
570    o cost package
571      - Compatible with new ctrl package
572      - added Eliassen Palm cost hooks
573      - modif's of existing cost functions
574    o Adjoint-related bug fixes in kpp:
575      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
576      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
577    o autodiff package
578      - flow directives:
579        + new for S/R do_the_model_io
580        + enhanced for S/R checkpoint
581        + new gmredi.flow
582      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
583        disable adcommon.h/g_common.h by default.
584      - fixed problem for adjoint of global_max
585    o modified verification/carbon/
586    o New setup for adjoint of global_ocean
587    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
588    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
589    o incorporated hooks for sponge layer code (external_forcing.F)
590    
591    checkpoint45d_post
592    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
593    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
594      (affects plume_on_slope "cg2d" output)
595    o add new parameter deltaTfreesurf for free-surface time stepping
596    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
597    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
598    o change phiMin in exp1 (to agree with documentation)
599    o add new flags:
600     - T,S forcing inside/outside Adams-Bashforth
601     - turn off temp,salt advection and/or forcing
602     - for each tracer, define internal flag for multiDimAdvection & A-B
603    o monitor: change definition of KE to check conservation of Energy
604    
605    checkpoint45c_post
606    o Removed f90 comments ("!")
607    o Modified initialisations to enable exf package for MITgcm
608      (without invoking ECCO_PACKAGE).
609    o modifications to gradient check package (Martin Losch)
610      - enable centered differences
611      - modified format of standard output
612    
613    checkpoint45b_post
614    o cleaned exchange calls in cg2d
615    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
616    o included CPP option SINGLE_LAYER_MODE in thermodynamics
617      to configure barotropic setup (Martin Losch)
618    o moved some initialisations within bi,bj loop in dynamics
619      (TAF flow dependency)
620    o in initialise_varia, moved call packages_init_variables
621      before convective_adjustment_init
622      (corresponding adjustment of TAF tape initialisation).
623    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
624    
625    checkpoint45a_post
626    o compute Rho over the whole domain (extend iMin,jMin indices)
627    o specific exchange for X-slice domain (case Ny=1)
628    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
629    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
630    
631    checkpoint44h_post = checkpoint45
632    o Fix to restore differentiability:
633      place at which packages_init_variables is called in
634      initialise_varia is crucial for reverse control flow.
635    o modifications in GMRedi to enable stable adjoint
636      (corresponding modif's in thermodynamics, dynamics)
637    o added missing hook for sponge layer code in external_forcing
638    o modified test cost functions
639    o storing in gad_advection (plus removal of write(0,*)!
640    o missing headers TR1.h added in convective_adjustment routines
641    o errorMessageUnit set non-equal zero in eeboot
642      (conflict on some platforms, e.g. IBM SP3)
643    o modified carbon verif.
644    
645    checkpoint44h_pre
646    o vertical grid option: allow to put the Interface at the middle between
647      2 cell-centers ; replace delZ in pkg/kpp by drF.
648    o GM Advective form: Tracers are advected using the residual transport (=
649      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
650    
651    checkpoint44g_post
652    o fix surface correction term in multiDimAdvection (affects plume_on_slope
653      results) ; ifdef missing in thermodynamics.F
654    
655    checkpoint44f_pre,checkpoint44f_post
656    o added PTRACERS package
657      This allows an arbitrary number of passive tracers to be integrated
658      forward simultaneously with the dynamicaly model.
659      + Implemented so far:
660        - basic forward algorithm (time-stepping, advection, diffusion, convection)
661        - I/O and checkpointing
662        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
663      + Not implemented so far:
664        - KPP
665        - OBCS
666      + No specific example supplied (yet) but global_ocean.90x40x15 has the
667        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
668        line in data.pkg.
669      + This package is disabled by default since it increases storage.
670    
671    
672    o testscript: added -cleanup option
673    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
674                 b) enable to filter 2D fields.
675    
676    checkpoint44e_pre,post
677    o re-wrote convective adjustment to use pre-calculated weights
678      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
679      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
680      Original calls to convect() still in place.
681    
682    chkpt44d_pre,post
683    o added missing EXCLUDE_MONITOR flags
684    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
685      (incompatible typ in MIN/MAX expressions caused problems
686      on IBM SP3)
687    o in genmake added variable MAKEDEPEND
688      plus resetting for case SunOS
689    o added timer_stats.c routine for IBM SP3
690    o removed variables in dynamics
691    !!! I forgot to create tag chkpt44d_pre !!!
692    !!! But chkpt44d_pre = chkpt44c_post    !!!
693    
694    o real fresh water flux implemented with non-linear free-surface.
695    
696    chkpt44c_pre,post
697    o few fix (mask in shap_s2, EmPmR in external_field_load,
698      USE_NATURAL_BCS in solve_for_P);
699    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
700    
701    checkpoint44b_pre/_post
702    o merge of relevant stuff from the ecco-branch:
703      - genmake: removed $S64 overwrite for case SunOS
704      - pkg/exf: update and corrections for field swapping and obcs
705      - pkg/ecco: parameter lists for the_model_main, the_main_loop
706                  harmonized between ECCO and MITgcm
707      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
708                      updated checkpointing_lev... lists for obcs
709      - model/src: minor changes in forward_step, plot_field
710                   added directive for divided adjoint in the_main_loop
711      - pkg/mdsio: added mdsio_gl_slice
712    
713    o check parameters & config (chkpt44a_pre,post)
714    o OBC and NonLin_FrSurf.
715    
716    checkpoint44
717    o fix bug in mom_vi_del2uv
718    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
719    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
720    o update AIM experiments (NCEP input files)
721    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
722    o added some stuff for AD
723    
724    checkpoint43
725    o added two new advection tests
726    o added global 4x4 degree ocean test
727    o added test of H&S94 with free surface on cube
728    o some final mods for gradient check, adjoint,...
729    
730    checkpoint42
731      Fixed AD-related problems:
732    o Store directives up-to-date with re-arranged Adams-Bashforth
733      (mainly thermodynamics.F)
734    o New store directives for multi-dim. advection schemes
735      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
736      * new common block and key passkey
737      (mainly gad_advection.F)
738    o Modified store directives for split of dynamics/thermodynamics
739      for the case ALLOW_KPP
740    o Cleaned argument list for timestep_tracer.F
741    
742    checkpoint41
743    o re-formatted/added comments in prologues of key subroutines
744      to work with protex
745    
746    checkpoint40
747    o moved calc_gs, calc_gt and calc_tr1 back to model/src
748    o added FLT (floats) package from Arne along with demo. experiment
749    o re-arranged Adams-Bashforth scheme for tracers to allow easier
750      implementation of forward-in-time forcing terms
751    o more mods for non-linear free-surface including new variable
752    o modified multi-dim method to work on cube
753    o bug fix in KPP (from DM)
754    
755    checkpoint40pre9
756    o added DST advection schemes
757    o fix MPI bug on SGI's
758    o modifications for non-linear free-surface
759    o fixed conditionals for fixed flow/passive tracer only mode
760    o added tension/strain form of stress tensor
761    o changes to commenting of arguments for TAF/TAMC
762    o added/updated many matlab scripts
763    o added multi-dimensional advection method for tracers
764      
765    checkpoint40pre8
766    o new package rw/
767      Added method for dumping intermediate local arrays:
768      mdsio_writetile - same as mdsio_writefield except works from inside
769                        bi,bj loop
770      mdsio_writelocal - same as mdsio_writetile except works for local
771                         arrays
772      write_local_r? - higher-level wrapper for mdsio_writelocal
773      Controlled by diagFreq. Defaults to zero (ie. no dumps)
774      Example given at end of mom_vecinv.F that dumps some local arrays.
775    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
776      control flux-form versus vector invariant code.
777      Switch is runtime flag vectorInvariantMomentum (defaults to false)
778      or genmake -DISABLE ...
779    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
780      (additional storing is now needed for case vecinv;
781      currently nothing implemented to switch this storing off
782      in case fluxform is used since no CPP flag available).
783    
784    checkpoint40pre7
785    o bug fix in dynamics.F
786      calc_viscosity called before k=1,Nr loop.
787    o added some #ifdef's ALLOW_PASSIVE_TRACER
788    o cleaned initialisations in ctrl_map_ini
789      related to TAF
790    
791    checkpoint40pre6
792    o split dynamics into thermodynamics & dynamics
793    o corresponding split of calc_diffusivity into
794      calc_diffusivity, calc_viscosity
795      (kpp_calc_diff, kpp_calc_visc).
796    o Added diffkr, kapgm to control variables
797    o bug fix in gmredi_slope_limit for ldd97
798    
799    checkpoint40pre5
800    o proper initialization of Adams-Bashforth time stepping
801      + uses forward step for very first step of model (iter=0)
802    o re-generated *all* output since almost all output is modified by this
803      change (sorry but we've been putting this one off for about 2 years)
804      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
805        *not* regenerated since they are already out of date and I don't
806        want to create the impression that they are suddenly working.
807    o removed KAP stuff for DEC's
808    o modified/added many .cvsignore files in */code and */input
809    o added new expt "solid-body.cs-32x32x1"
810      + this uses an alternative form of ini_curvilinear_grid.F which
811        is not necessarily any better than the current one...
812    
813    checkpoint40pre4
814    o added re-initialisations of utrans,vtrans,rtrans in
815      calc_common_factors which are crucial for TAF.
816    o extended iMin,jMin range for calc_common_factors,
817      calc_diffusivity
818    o added option ALLOW_PASSIVE_TRACER
819    o a few minor updates and fixes
820    
821    checkpoint40pre3
822    o created calc_gtr1.F for gad package
823    o split the_main_loop and re-introduced forward_step
824    o some recomputations of nIter0 for TAMC
825    
826    checkpoint40pre2
827    o Updated to latest branch of AJA, JMC
828    o Added gradient check package
829    o Added routines for passive tracer handling
830    o Added carbon sequestration sensitivity experiment
831    
832    checkpoint39
833     o Modifications and fixes to support TAMC
834       (mainly missing or wrong directives)
835     o Corrected common blocks when fooling TAMC to produce adjoint I/O
836       in addummy_in_stepping
837     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
838     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
839     o Included following packages:
840       cal: calendar
841       exf: external forcing
842       ecco: essential routines to control use of cal, exf
843             (NB: this is not the full ECCO environment)
844     o disabled some packages by default in genmake
845    
846    checkpoint38
847     o see notes_c37_adj.txt
848     o corrected wrong layer index in external_forcing_t
849     o replaced the_main_loop/forward_step by the_main_loop
850     o removed forceoutput from write_state
851       (replaced criteria for initial/final state)
852     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
853    
854    checkpoint37
855     o mdsio.F routine split and packaged in pkg/mdsio
856       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
857        used unless genmake -disable=mdsio)
858     o allow a more precise surface-geopotential gradient for the atmosphere
859       taking into account the change in space of Alpha (=1/rho) at the surface.
860     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
861       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
862     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
863       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
864       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
865     o Time-Average diagnostics defined as a pseudo package "timeave".
866     o pickup files : old pickup (before c35) did not work with new code (c35
867       and after) unless activating 2 commented lines in initialise-varia.
868     o Non-Hydrostatic pickup file Pb fixed.
869     o bug with Rigid-lid version (since c35) fixed.  
870    
871    checkpoint36
872     o implement Crank-Nickelson barotropic time-stepping
873     o recover Time-Average diagnostics
874     o fix Pb in checkpoint (PR#19)
875     o AIM become a standard package ; clean unused CPP_kees
876    
877    checkpoint35
878     o subtantial rewrite of dynamics.f
879     o allows staggered time-stepping
880     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
881     o added bottom drag (linear + quadratic)
882    
883    checkpoint34
884     o Modified exchange routines for correct reverse simulation.
885     o Added verification output to comply with bug fix in impldiff.F
886       as of c33 (exp2, natl_box).
887     o Corrected store directives in dynamics.F
888     o Corrected array boundaries in impldiff.F
889     o Corrected array dimensions in gmredi.
890       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
891     o Added routine GLOBAL_SUM_INT to global_sum.F
892     o Added mdsio_gl.F for ECCO purposes.
893    
894    checkpoint33
895     o Fixed bug in lower BC in impldiff.F
896     o Fixed confusion about units of forcing arrays in FFIELDS.h
897       namely Fu,Fv,Qnet,Qsw,EmPmR:
898       - Removed verification/natl_box/code/external_fields_scale.F
899         (did not differ from that in model/src)
900       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
901         (see FFIELDS.h for description)
902       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
903         kpp_calc.F and kpp_transport_t.F
904       - Removed model/src/external_fields_scale.F and calls to it
905       - verification/natl_box uses flux data with "atmospheric" sign so
906         a special version of external_fields_load.F is used to
907         change the data as it's read in. This way, the arrays
908         have the right units and signs at all times tha a user could
909         possibly use them.
910     o Corrected genmake to delete a temporary file during configuration
911    
912    checkpoint32
913     o Scaling of forcing fields moved from external_forcing.F to
914       external_fields_scale.F, called directly after loading fields.
915     o Surface relaxation terms added to surface tendency fields in
916       extra subroutine.
917     o impldiff.F changed to avoid storing by TAMC of huge intermediate
918       fields.
919     o Changes in GMRedi to comply with packaging structure.
920     o Modifications and bug fixes in KPP package.
921     o Verification experiment for KPP added (verification/nat_box/)
922    
923    checkpoint31
924     o Packages interface brought in line with defined standard
925       -> new routines packages_...F
926       -> changes in initialise_fixed.F, initialise_varia.F
927       -> enables initialisation interface for ECCO package
928     o Rescaling of external forcing fields immediately after read
929       (removed from external_forcing.F)
930       -> new: surface_fields_scale.F
931       -> affects ini_foorcing.F, external_fields_load.F
932     o Computation of surface tendencies before tendency updates.
933       -> new: external_forcing_surf.F
934     o Change of variable names useGMRedi, useKPP, useECCO
935     o Further changes in dynamics.F, impldiff.F for TAMC
936     o Tested for experiments 0, 2, 4.
937       - not yet tested for GMRedi.
938       - not yet tested for KPP.
939    
940    checkpoint30
941     o Updates for OBCs
942     o New experiment for test OBCs (internal_wave)
943     o New output.txt in verification/exp4/results/
944     o Updates for KPP: calculation of viscosity corrected, new variables
945       kpp_dumpFreq and kpp_taveFreq
946     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
947       and entry for T90 in genmake
948    
949    checkpoint29
950     o packaged KPP and GM/Redi
951    
952    checkpoint28
953     o Corrected initialization of hFacMin for difference vertical coordinates
954     o Modified calculation of partial cell thickness to more robust algorithm
955     o config_summary.F: replaced write_1D_... by write_0D_...
956       read_write.F: added subroutines write_0D_...
957     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
958       included some initialisations required for TAMC.
959     o routine calc_isoslopes: modified sqrt computation to make it
960       differentiable for zero argument.
961     o routines dynamics, impldiff:
962       included store directives and tape key computations required for TAMC.
963     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
964    
965    checkpoint27
966     o fixed calc_isoslopes() to so that cancellation of terms in tensor
967       formulation works properly with variable resolution.
968     o restructured the calling tree between the_model_main() and dynamics()
969     o split initialise() into initialise_fixed() and initialise_varia()
970     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
971       in new routine ini_psurf()
972    
973    checkpoint26
974     o moved some #ifdef in optional routines to encompass everything
975       except the argument declarations. This was using up some memory.
976     o fixed macros like _ADT to work with both versions of Linux cpp
977     o cleaned up some unused and uninitialized variables
978       (helps when debugging with strict compile options)
979     o split up CPP_EEOPTIONS.h into options and macros
980       (macros are now in eesupp/inc/CPP_EEMACROS.h)
981     o patch for 2 processor JAM mode
982    
983    checkpoint25
984     o updates for OBCs and NH
985     o dramatically reduced memory usage
986     o added "JAM" routines for use on Artic network
987     o parameterization of convection by implicit vertical diffusion
988     o added a diagnostic of convective index
989     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
990       (this is was partly for OBCs and NH but also in anticipation of
991        an explicit free-surface option)
992     o initial state input files for U and V
993    
994    checkpoint24
995     o Removed some spurious "REAL"s
996     o Updated KPP to latest version from JPL
997     o Added a COS(latitude) in horizontal viscosity
998    
999    checkpoint23
1000     o Added del^4 diffusion for salt and temperature
1001     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1002    
1003    checkpoint22
1004     o Made many small changes: implicit none, format(i5), etc...
1005     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1006    
1007    checkpoint21
1008     o Introduced new I/O package that supports direct-access records (mdsio.F)
1009     o Split-up mid-level I/O routines
1010     o Updated input data for experiments 0,1,2,4 and 5
1011     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1012    
1013    checkpoint20
1014     o Tidied up open-boundaries some more
1015     o Added non-hydrostatic code
1016     o Fixed some input data
1017     o Modified MPI start-up to work in "coupled" context.
1018    
1019    checkpoint19
1020     o Tidied up directory structure for verification experiments.
1021     o Added new code for open boundaries.
1022     o Corrected advective terms near boundaries.
1023     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1024     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1025     o Split default parameters out of ini_parms.F into set_defaults.F.
1026    
1027    checkpoint18
1028     o Further changes for optional code generation with
1029       CPP - ugh!
1030    
1031    checkpoint17
1032     o Beginning to incorporating modularity
1033       for supporting atmos. and ocean configs.
1034     o Small changes for TAMC complinace
1035     o New ultra simple test case. Barotropic box
1036       configuration "exp0".
1037    
1038    checkpoint16
1039     o Minor changes to exchange routines to support
1040       accumulation in reverse mode. Adjoint of an
1041       assignment is an addition.
1042     o Changes to support compilation by TAMC (LR(1)
1043       syntax) and by g77 under Linux ( 72 character
1044       limit ).
1045    
1046    checkpoint15
1047     Rewrote exchange routines to allow
1048     o General tile <-> tile connectivity.
1049     o TAMC reverse mode flag ( is this really needed? )
1050     o Variable width overlap and exchange region widths.
1051     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1052       shmput/shmget, VIA, SYSV shmem and every other cool
1053       communication method.
1054    
1055    checkpoint14
1056     Consistent isomorphism chages made. These allow dynamical core
1057     to support both pressure and meters as a vertical coordinate.
1058    
1059    checkpoint13
1060     Release which corrects global_max problem and a couple
1061     of KGM time-averaging diagnostic errors. Also contains
1062     a double-gyre experiment setup as well as the baseline
1063     4 degree global template. The double gyre template is
1064     organised to allow it to be applied automatically to
1065     the baseline configuration.
1066    
1067    branch-point-rdot
1068     A few tidy-ups have been made bt the real point of this
1069     check-point (excuse the pun) is to allow a branch to be
1070     made for the purposes of adding the rDot alterations.
1071     I don't want to commit the rDot to the main-trunk until
1072     we've actually tested it...
1073    
1074    checkpoint12
1075     Tidy up and added generic genmake script (formerly
1076     configure script).
1077     Released to testers.
1078    
1079    checkpoint11
1080     Re-arranged initialise() and introduced ini_vertical_grid()
1081     and ini_masks_etc().
1082    
1083    checkpoint10
1084     Introduced the configure script.
1085     Separated out the diags package.
1086     Added template for writing time-averages of tile/intermediate quantities.
1087     Updated SIZE.h in exp2 and made the data big-endian.
1088    
1089    checkpoint9
1090     MPI fix. Filename changes (meta/data). salbin*y stuff.
1091     General tidy-up.
1092     SST.bin SSS.bin added to verification/exp2
1093    
1094    checkpoint8
1095     Inludes time-dependant forcing and time-averaging.
1096     Works at 4x4 and 2.8125x2.8125 global
1097    
1098    checkpoint7-4degree-ref
1099     Branch from checkpoint7. Released for application to
1100     global modeling and general modeling - process studies, regional
1101     model etc..
1102     Configured for verification/exp2 - 4 degree global, two process.
1103    
1104    checkpoint7
1105     Created by cnh
1106     Simple 4 degree global simulation
1107     configuration.
1108     Includes climatological wind,
1109     hydrography, bathymetry etc
1110     Does not include Heat Flux and E-P
1111    
1112    checkpoint6
1113     Created by cnh
1114     merged checkpoint5 with CD and
1115     spherical polar code.
1116     Still some problems with GM Redi
1117     abd full topography.
1118    
1119    checkpoint5
1120     Created by AJA
1121     contains updates to GM Redi
1122     and reordered timestepping loop
1123     for Implicit Diffusion.
1124    
1125    checkpoint4
1126     Created by cnh
1127     Contains memory saving macros ( _rdxc etc..) for when
1128     grid variations are limited.
1129     Contains polynomial coeffs for EOS and knudsen program
1130     for generation.
1131    
1132  checkpoint3  checkpoint3
1133   Created by cnh   Created by cnh
1134   Added extra flags for runtime options   Added extra flags for runtime options
# Line 20  checkpoint1 Line 1147  checkpoint1
1147   Restructured kloop in dynamics.F   Restructured kloop in dynamics.F
1148   Added non-linear EOS   Added non-linear EOS
1149    
1150  baseline - Original checked in code  baseline
1151     Original checked in code
1152    

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