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revision 1.1 by cnh, Tue May 26 14:38:05 1998 UTC revision 1.108 by dimitri, Thu Dec 5 08:43:02 2002 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint47b_post
7    Merging from release1_p9:
8    o pkg/seaice
9      - removed GOTO's and added taf directives
10      - double precision constants to reduce the g77 (Linux)
11        to F77 (SGI) differences reported in release1_p8
12    o tools/genmake
13      - added SGI options
14    o verification/testscript
15      - updated to that of checkpoint47a_post
16    o verification/global_ocean.90x40x15/input/eedata
17      - modified for SGI f77 compatibility
18    o verification/lab_sea
19      - added description of sea-ice model
20      - added missing matlab routines
21      - added test of thermodynamics parallelization
22    
23    checkpoint47a_post
24    o new pkg: aim_v23
25     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
26       for now, keep the same surface forcing as before.
27     - Part-Cell implemented into AIM; check that Heat & Water are conserved
28     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
29     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
30    o add diagnostic of surface correction term in monitor output
31    
32    o bulk_force and therm_seaice
33    - Two packages:  bulk_force (Bulk forcing)
34      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
35    - Earlier integration from Stephaine Dutkiewicz
36      and Patrick Heimbach.
37    - Two ifdef statements for compile time,
38       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
39    
40    checkpoint47
41    differentiable version of checkpoint46n_post
42    o bug fix in quasihydrostaticterms
43    o * "clean" adjoint code (in terms of extensive recomputations)
44        can now be obtained for all GMREDI options (i.e. for
45        - GM_VISBECK_VARIABLE_K
46        - GM_NON_UNITY_DIAGONAL
47        - GM_EXTRA_DIAGONAL
48        - GM_BOLUS_ADVEC )
49      * However, wrong gradient check problem remains unsolved.
50      * New CPP options have been introduced for different
51        tapering schemes
52    o external_fields_load now part of differentiation list
53    o pressure needs multiple storing;
54      would be nice to have store_pressure at beginning or
55      end of forward_step, e.g. by having phiHyd global (5-dim.)
56      (NB: pressure is needed for certain cases in find_rho,
57      which is also invoked through convective_adjustment).
58    o recomputations in find_rho for cases
59     'JMD95'/'UNESCO' or 'MDJWF' are OK.
60    o #define ATMOSPHERIC_LOADING should be differentiable
61    o ini_forcing shifted to begining of initialise_varia
62    o Incorporating QNVS line search routines into MITgcm
63      (this is separate code, and therefore not under pkg)
64      lsopt/, optim/
65    o Updated verification/carbon/
66      - #define GM_VISBECK_VARIABLE_K
67      - GM_taper_scheme    = 'ldd97'    
68    
69    checkpoint46n_post
70    Merging from release1_p8:
71    o verification/natl_box:
72      updating new external_fields_load routine
73    o New package: pkg/seaice
74      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
75      The sea-ice code is based on Hibler (1979-1980).
76      Two sea-ice dynamic solvers, ADI and LSR, are included.
77      In addition to computing prognostic sea-ice variables and diagnosing
78      the forcing/external data fields that drive the ocean model,
79      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
80      The implied surface heat flux is then stored in variable
81      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
82      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
83      non-local transport term.  Because this call precedes model
84      thermodynamics, temperature under sea-ice may not be "exactly" at
85      the freezing point by the time theta is dumped or time-averaged.
86      N.B.: fairly large differences in accuracy occur across
87            different platforms/compilers; comparison between
88            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
89            generated output gives:
90       T           S           U           V
91      C D M    c        m  s        m  s        m  s        m  s
92      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
93      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
94      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
95    
96      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
97    o GAD:
98      - generated new common blocks to account for call of
99        same gad routines with differing traceridentities
100        (needed to modify tracerIdentity indices in GAD.h)
101      - generated separate common blocks for case useCubedSphereExchange
102        (Department of Futurology)
103      - parameter lists to gmredi_?transport: added tracerIdentity
104      - added new key indices to tamc.h
105    o external_fields_load:
106      - added this routine to TAF list
107      - needed to make some common blocks global and additional storing
108        along the same lines as exf package (checkpoint_lev?_directives.h)
109    o exf:
110      updated external forcing package
111      - bug fixes carried over from ecco-branch
112        (missing OBCS_OPTIONS.h in two routines)
113      - enable easy to use "no forcing".
114      - added exf I/O for atmospheric loading
115      - added exf I/O for runoff data
116      - transfered scaling between exf <-> MITgcm to exf namelist
117    o Adding new verification experiment global_with_exf.
118      This verification experiment is almost identical to the
119      global_ocean.90x40x15 experiment, except that it uses
120      the exf (and cal) package instead of the
121      external_fields_load routine (cf README file).
122    
123    checkpoint46m_post
124    o modified testscript to return -- when there are no lines of "%MON" output
125    o added new flag "quasiHydrostatic" for QH mode
126      and new routine quasihydrostaticterms()
127    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
128      New routine: mom_u_coriolis_nh()
129    o fixed sign of non-hydrostatic metric terms in u and v equations.
130      Depend on correct sign of gravitySign.
131    o added work.pc* to .cvsignore in aim directories using ifc
132    o introduced flag for controllin non-hydrostatic metric terms
133    o removed gravitySign from PARM04
134    o switched to g77/ifc from pgf77 in aim experiments
135    
136    checkpoint46l_post
137    o made convective adjustment work with pressure coordinates:
138     - changed the direction of k-loop in convective_adjustment.F for the
139       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
140     - adjusted the reference pressure k-index in convective_adjustment.F
141     - adjusted the convection condition in convect.F (in analogy to
142       calc_ivdc.F)
143     - convective_adjustment no longer computes anything on the halos
144     - removed the warnings about negative salinity from find_rho.F and
145       find_alpha.F; instead the new routine look_for_neg_salinity, called
146       at the beginning of find_rho, find_alpha, and find_beta, does a
147       check of the entire slice, if CPP-option
148       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
149    checkpoint46l_pre
150    
151    checkpoint46k_post
152    o fixed the verification/global_ocean.90x40x15 experiment:
153     - new bathymetry (the world according to A., JMC, and M.)
154     - new initial fields and forcing fields (*.bin files)
155     - new POLY3.COEFFS (for the next release one should switch to a full
156       equation of state: JMD95P or MDJWF)
157     - fixed several errors and redundancies in the data file
158     - experiment uses looped cells
159     - added matlab directory with diagnostic scripts for plotting of output
160    
161    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
162     - read AIM physics parameters from a file (data.aimphys)
163     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
164    
165    checkpoint46j_post
166    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
167    o move wVel computation at the end of the time step, in S/R integr_continuity
168    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
169    o update timeave pkg for wVel diagnostic.
170    checkpoint46j_pre
171    
172    checkpoint46i_post
173    o Clean up AIM package (and keep the results unchanged):
174      include CPP_OPTION and use IMPLICT NONE in all routines ;
175      declare all the variables _RL ; use _d 0 for all numerical constants.
176      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
177    
178    checkpoint46h_post
179    o cleaned up the use of rhoNil and rhoConst.
180      - rhoNil should only appear in the LINEAR equation of state, everywhere
181        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
182        and the dynamical equations are all divided by rhoConst
183    o introduced new parameter rhoConstFresh, a reference density of fresh
184      water, to remove the fresh water flux's dependence on rhoNil. The default
185      value is 999.8 kg/m^3
186    o cleanup up external_forcing.F and external_forcing_surf.F
187      - can now be used by both OCEANIC and OCEANICP
188    checkpoint46h_pre
189    
190     Added code to convert surface volume flux (fresh water) into
191     a mass flux when using P coordinates in the ocean (OCEANICP).
192     Note: It assumes you have set rho0=rhoConst=density of fresh water.
193    
194    checkpoint46g_post
195    o Include a new diagnostic variable phiHydLow for the ocean model
196      - in z-coordinates, it is the bottom pressure anomaly
197      - in p-coordinates, it is the sea surface elevation
198      - in both cases, these variable have global drift, reflecting the mass
199        drift in z-coordinates and the volume drift in p-coordinates
200      - included time averaging for phiHydLow, be aware of the drift!
201    o depth-dependent computation of Bo_surf for pressure coordinates
202      in the ocean (buoyancyRelation='OCEANICP')
203      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
204        Theta, Salinity, and Pressure in the parameter list. This routine is
205        presently contained in find_rho.F. This routine does not give the
206        correct density for 'POLY3', which would be a z-dependent reference
207        density.
208    o cleaned up find_rho
209      - removed obsolete 'eqn' from the parameter list.
210    o added two new verification experiments: gop and goz
211      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
212    checkpoint46g_pre
213    
214    checkpoint46f_post
215    o Enable tangent linear (forward mode) gradient checks:
216      - extended active file handling to g_... files
217      - added TANGENT_SIMULATION to theSimulationMode
218      - extended grdchk package accordingly
219    o added tangent linear setup in verification/carbon/code_ftl
220    o added adjoint setup in verification/front_relax/code_ad
221    
222    checkpoint46e_post
223    o Added new equation of state -> MDJWF
224      - EOS of McDougall et al., 2002, JAOT, submitted
225      - caveat: the equation of state is only valid for a smaller (more
226        realistic?) range of values than JMD95P/Z and UNESCO
227      - added masks to the calculation of pressure in store_pressure
228      - added more check values for density in check_eos (ini_eos.F), some of
229        the old check values are out of the range of the MDJWF-eos, so don't
230        expect perfect matches for those
231    checkpoint46e_pre
232    
233    checkpoint46d_post
234    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
235      'OCEANICP', also initialised field pressure correctly in ini_eos in the
236      case of pressure coordinates. eosType='JMD95Z' in
237      combination with buoyancyRelation='OCEANICP' now causes an error.
238    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
239      in find_alpha/beta.
240    checkpoint46d_pre
241    
242    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
243      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
244    
245    checkpoint46c_post
246    o Changes necessary for ocean in p-coordinates
247     -  Added new buoyancy relation = 'OCEANICP'
248     -  Added new parameters = gravitySign (this used to be contained inside
249        the factor dRdZ which I added when we first switched to R coordinates).
250     X GM/Redi is not compatible (yet)
251     X bottom drag and no-slip need to be debugged.
252    checkpoint46c_pre
253    
254    checkpoint46b_post
255    o Added new equation of state -> JMD95Z and JMD95P
256      - EOS of Jackett and McDougall, 1995, JAOT
257      - moved all EOS parameters into EOS.h
258      - new routines ini_eos.F, store_pressure.F
259    o Added UNESCO EOS, but not recommended because it requires
260      in-situ temperature (see JMD95)
261    o Modified formatting for knudsen2.f in utils/knudsen2 and added
262      unesco.f to be used with POLY3
263    checkpoint46b_pre
264    
265    checkpoint46a_post
266    o Added (atmospheric) pressure loading
267      - new field in FFIELDS.h, etc...
268      - new cpp flag ATMOSPHERIC_LOADING
269    o Changed hFacC to _hFacC in calc_phi_hyd.F
270    o Added SHORTWAVE_HEATING to some files for consistency
271    checkpoint46a_pre
272    
273    checkpoint46
274    further merges from release1_p5
275    o new ctrl package
276      - adopted from ECCO environment to enable optimization
277      - added Eliassen Palm fluxes to controls
278    o added Eliassen Palm flux controls to gradient check package
279    o cost package
280      - Compatible with new ctrl package
281      - added Eliassen Palm cost hooks
282      - modif's of existing cost functions
283    o Adjoint-related bug fixes in kpp:
284      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
285      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
286    o autodiff package
287      - flow directives:
288        + new for S/R do_the_model_io
289        + enhanced for S/R checkpoint
290        + new gmredi.flow
291      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
292        disable adcommon.h/g_common.h by default.
293      - fixed problem for adjoint of global_max
294    o modified verification/carbon/
295    o New setup for adjoint of global_ocean
296    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
297    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
298    o incorporated hooks for sponge layer code (external_forcing.F)
299    
300    checkpoint45d_post
301    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
302    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
303      (affects plume_on_slope "cg2d" output)
304    o add new parameter deltaTfreesurf for free-surface time stepping
305    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
306    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
307    o change phiMin in exp1 (to agree with documentation)
308    o add new flags:
309     - T,S forcing inside/outside Adams-Bashforth
310     - turn off temp,salt advection and/or forcing
311     - for each tracer, define internal flag for multiDimAdvection & A-B
312    o monitor: change definition of KE to check conservation of Energy
313    
314    checkpoint45c_post
315    o Removed f90 comments ("!")
316    o Modified initialisations to enable exf package for MITgcm
317      (without invoking ECCO_PACKAGE).
318    o modifications to gradient check package (Martin Losch)
319      - enable centered differences
320      - modified format of standard output
321    
322    checkpoint45b_post
323    o cleaned exchange calls in cg2d
324    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
325    o included CPP option SINGLE_LAYER_MODE in thermodynamics
326      to configure barotropic setup (Martin Losch)
327    o moved some initialisations within bi,bj loop in dynamics
328      (TAF flow dependency)
329    o in initialise_varia, moved call packages_init_variables
330      before convective_adjustment_init
331      (corresponding adjustment of TAF tape initialisation).
332    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
333    
334    checkpoint45a_post
335    o compute Rho over the whole domain (extend iMin,jMin indices)
336    o specific exchange for X-slice domain (case Ny=1)
337    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
338    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
339    
340    checkpoint44h_post = checkpoint45
341    o Fix to restore differentiability:
342      place at which packages_init_variables is called in
343      initialise_varia is crucial for reverse control flow.
344    o modifications in GMRedi to enable stable adjoint
345      (corresponding modif's in thermodynamics, dynamics)
346    o added missing hook for sponge layer code in external_forcing
347    o modified test cost functions
348    o storing in gad_advection (plus removal of write(0,*)!
349    o missing headers TR1.h added in convective_adjustment routines
350    o errorMessageUnit set non-equal zero in eeboot
351      (conflict on some platforms, e.g. IBM SP3)
352    o modified carbon verif.
353    
354    checkpoint44h_pre
355    o vertical grid option: allow to put the Interface at the middle between
356      2 cell-centers ; replace delZ in pkg/kpp by drF.
357    o GM Advective form: Tracers are advected using the residual transport (=
358      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
359    
360    checkpoint44g_post
361    o fix surface correction term in multiDimAdvection (affects plume_on_slope
362      results) ; ifdef missing in thermodynamics.F
363    
364    checkpoint44f_pre,checkpoint44f_post
365    o added PTRACERS package
366      This allows an arbitrary number of passive tracers to be integrated
367      forward simultaneously with the dynamicaly model.
368      + Implemented so far:
369        - basic forward algorithm (time-stepping, advection, diffusion, convection)
370        - I/O and checkpointing
371        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
372      + Not implemented so far:
373        - KPP
374        - OBCS
375      + No specific example supplied (yet) but global_ocean.90x40x15 has the
376        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
377        line in data.pkg.
378      + This package is disabled by default since it increases storage.
379    
380    
381    o testscript: added -cleanup option
382    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
383                 b) enable to filter 2D fields.
384    
385    checkpoint44e_pre,post
386    o re-wrote convective adjustment to use pre-calculated weights
387      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
388      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
389      Original calls to convect() still in place.
390    
391    chkpt44d_pre,post
392    o added missing EXCLUDE_MONITOR flags
393    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
394      (incompatible typ in MIN/MAX expressions caused problems
395      on IBM SP3)
396    o in genmake added variable MAKEDEPEND
397      plus resetting for case SunOS
398    o added timer_stats.c routine for IBM SP3
399    o removed variables in dynamics
400    !!! I forgot to create tag chkpt44d_pre !!!
401    !!! But chkpt44d_pre = chkpt44c_post    !!!
402    
403    o real fresh water flux implemented with non-linear free-surface.
404    
405    chkpt44c_pre,post
406    o few fix (mask in shap_s2, EmPmR in external_field_load,
407      USE_NATURAL_BCS in solve_for_P);
408    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
409    
410    checkpoint44b_pre/_post
411    o merge of relevant stuff from the ecco-branch:
412      - genmake: removed $S64 overwrite for case SunOS
413      - pkg/exf: update and corrections for field swapping and obcs
414      - pkg/ecco: parameter lists for the_model_main, the_main_loop
415                  harmonized between ECCO and MITgcm
416      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
417                      updated checkpointing_lev... lists for obcs
418      - model/src: minor changes in forward_step, plot_field
419                   added directive for divided adjoint in the_main_loop
420      - pkg/mdsio: added mdsio_gl_slice
421    
422    o check parameters & config (chkpt44a_pre,post)
423    o OBC and NonLin_FrSurf.
424    
425    checkpoint44
426    o fix bug in mom_vi_del2uv
427    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
428    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
429    o update AIM experiments (NCEP input files)
430    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
431    o added some stuff for AD
432    
433    checkpoint43
434    o added two new advection tests
435    o added global 4x4 degree ocean test
436    o added test of H&S94 with free surface on cube
437    o some final mods for gradient check, adjoint,...
438    
439    checkpoint42
440      Fixed AD-related problems:
441    o Store directives up-to-date with re-arranged Adams-Bashforth
442      (mainly thermodynamics.F)
443    o New store directives for multi-dim. advection schemes
444      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
445      * new common block and key passkey
446      (mainly gad_advection.F)
447    o Modified store directives for split of dynamics/thermodynamics
448      for the case ALLOW_KPP
449    o Cleaned argument list for timestep_tracer.F
450    
451    checkpoint41
452    o re-formatted/added comments in prologues of key subroutines
453      to work with protex
454    
455    checkpoint40
456    o moved calc_gs, calc_gt and calc_tr1 back to model/src
457    o added FLT (floats) package from Arne along with demo. experiment
458    o re-arranged Adams-Bashforth scheme for tracers to allow easier
459      implementation of forward-in-time forcing terms
460    o more mods for non-linear free-surface including new variable
461    o modified multi-dim method to work on cube
462    o bug fix in KPP (from DM)
463    
464    checkpoint40pre9
465    o added DST advection schemes
466    o fix MPI bug on SGI's
467    o modifications for non-linear free-surface
468    o fixed conditionals for fixed flow/passive tracer only mode
469    o added tension/strain form of stress tensor
470    o changes to commenting of arguments for TAF/TAMC
471    o added/updated many matlab scripts
472    o added multi-dimensional advection method for tracers
473      
474    checkpoint40pre8
475    o new package rw/
476      Added method for dumping intermediate local arrays:
477      mdsio_writetile - same as mdsio_writefield except works from inside
478                        bi,bj loop
479      mdsio_writelocal - same as mdsio_writetile except works for local
480                         arrays
481      write_local_r? - higher-level wrapper for mdsio_writelocal
482      Controlled by diagFreq. Defaults to zero (ie. no dumps)
483      Example given at end of mom_vecinv.F that dumps some local arrays.
484    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
485      control flux-form versus vector invariant code.
486      Switch is runtime flag vectorInvariantMomentum (defaults to false)
487      or genmake -DISABLE ...
488    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
489      (additional storing is now needed for case vecinv;
490      currently nothing implemented to switch this storing off
491      in case fluxform is used since no CPP flag available).
492    
493    checkpoint40pre7
494    o bug fix in dynamics.F
495      calc_viscosity called before k=1,Nr loop.
496    o added some #ifdef's ALLOW_PASSIVE_TRACER
497    o cleaned initialisations in ctrl_map_ini
498      related to TAF
499    
500    checkpoint40pre6
501    o split dynamics into thermodynamics & dynamics
502    o corresponding split of calc_diffusivity into
503      calc_diffusivity, calc_viscosity
504      (kpp_calc_diff, kpp_calc_visc).
505    o Added diffkr, kapgm to control variables
506    o bug fix in gmredi_slope_limit for ldd97
507    
508    checkpoint40pre5
509    o proper initialization of Adams-Bashforth time stepping
510      + uses forward step for very first step of model (iter=0)
511    o re-generated *all* output since almost all output is modified by this
512      change (sorry but we've been putting this one off for about 2 years)
513      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
514        *not* regenerated since they are already out of date and I don't
515        want to create the impression that they are suddenly working.
516    o removed KAP stuff for DEC's
517    o modified/added many .cvsignore files in */code and */input
518    o added new expt "solid-body.cs-32x32x1"
519      + this uses an alternative form of ini_curvilinear_grid.F which
520        is not necessarily any better than the current one...
521    
522    checkpoint40pre4
523    o added re-initialisations of utrans,vtrans,rtrans in
524      calc_common_factors which are crucial for TAF.
525    o extended iMin,jMin range for calc_common_factors,
526      calc_diffusivity
527    o added option ALLOW_PASSIVE_TRACER
528    o a few minor updates and fixes
529    
530    checkpoint40pre3
531    o created calc_gtr1.F for gad package
532    o split the_main_loop and re-introduced forward_step
533    o some recomputations of nIter0 for TAMC
534    
535    checkpoint40pre2
536    o Updated to latest branch of AJA, JMC
537    o Added gradient check package
538    o Added routines for passive tracer handling
539    o Added carbon sequestration sensitivity experiment
540    
541    checkpoint39
542     o Modifications and fixes to support TAMC
543       (mainly missing or wrong directives)
544     o Corrected common blocks when fooling TAMC to produce adjoint I/O
545       in addummy_in_stepping
546     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
547     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
548     o Included following packages:
549       cal: calendar
550       exf: external forcing
551       ecco: essential routines to control use of cal, exf
552             (NB: this is not the full ECCO environment)
553     o disabled some packages by default in genmake
554    
555    checkpoint38
556     o see notes_c37_adj.txt
557     o corrected wrong layer index in external_forcing_t
558     o replaced the_main_loop/forward_step by the_main_loop
559     o removed forceoutput from write_state
560       (replaced criteria for initial/final state)
561     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
562    
563    checkpoint37
564     o mdsio.F routine split and packaged in pkg/mdsio
565       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
566        used unless genmake -disable=mdsio)
567     o allow a more precise surface-geopotential gradient for the atmosphere
568       taking into account the change in space of Alpha (=1/rho) at the surface.
569     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
570       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
571     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
572       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
573       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
574     o Time-Average diagnostics defined as a pseudo package "timeave".
575     o pickup files : old pickup (before c35) did not work with new code (c35
576       and after) unless activating 2 commented lines in initialise-varia.
577     o Non-Hydrostatic pickup file Pb fixed.
578     o bug with Rigid-lid version (since c35) fixed.  
579    
580    checkpoint36
581     o implement Crank-Nickelson barotropic time-stepping
582     o recover Time-Average diagnostics
583     o fix Pb in checkpoint (PR#19)
584     o AIM become a standard package ; clean unused CPP_kees
585    
586    checkpoint35
587     o subtantial rewrite of dynamics.f
588     o allows staggered time-stepping
589     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
590     o added bottom drag (linear + quadratic)
591    
592    checkpoint34
593     o Modified exchange routines for correct reverse simulation.
594     o Added verification output to comply with bug fix in impldiff.F
595       as of c33 (exp2, natl_box).
596     o Corrected store directives in dynamics.F
597     o Corrected array boundaries in impldiff.F
598     o Corrected array dimensions in gmredi.
599       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
600     o Added routine GLOBAL_SUM_INT to global_sum.F
601     o Added mdsio_gl.F for ECCO purposes.
602    
603    checkpoint33
604     o Fixed bug in lower BC in impldiff.F
605     o Fixed confusion about units of forcing arrays in FFIELDS.h
606       namely Fu,Fv,Qnet,Qsw,EmPmR:
607       - Removed verification/natl_box/code/external_fields_scale.F
608         (did not differ from that in model/src)
609       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
610         (see FFIELDS.h for description)
611       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
612         kpp_calc.F and kpp_transport_t.F
613       - Removed model/src/external_fields_scale.F and calls to it
614       - verification/natl_box uses flux data with "atmospheric" sign so
615         a special version of external_fields_load.F is used to
616         change the data as it's read in. This way, the arrays
617         have the right units and signs at all times tha a user could
618         possibly use them.
619     o Corrected genmake to delete a temporary file during configuration
620    
621    checkpoint32
622     o Scaling of forcing fields moved from external_forcing.F to
623       external_fields_scale.F, called directly after loading fields.
624     o Surface relaxation terms added to surface tendency fields in
625       extra subroutine.
626     o impldiff.F changed to avoid storing by TAMC of huge intermediate
627       fields.
628     o Changes in GMRedi to comply with packaging structure.
629     o Modifications and bug fixes in KPP package.
630     o Verification experiment for KPP added (verification/nat_box/)
631    
632    checkpoint31
633     o Packages interface brought in line with defined standard
634       -> new routines packages_...F
635       -> changes in initialise_fixed.F, initialise_varia.F
636       -> enables initialisation interface for ECCO package
637     o Rescaling of external forcing fields immediately after read
638       (removed from external_forcing.F)
639       -> new: surface_fields_scale.F
640       -> affects ini_foorcing.F, external_fields_load.F
641     o Computation of surface tendencies before tendency updates.
642       -> new: external_forcing_surf.F
643     o Change of variable names useGMRedi, useKPP, useECCO
644     o Further changes in dynamics.F, impldiff.F for TAMC
645     o Tested for experiments 0, 2, 4.
646       - not yet tested for GMRedi.
647       - not yet tested for KPP.
648    
649    checkpoint30
650     o Updates for OBCs
651     o New experiment for test OBCs (internal_wave)
652     o New output.txt in verification/exp4/results/
653     o Updates for KPP: calculation of viscosity corrected, new variables
654       kpp_dumpFreq and kpp_taveFreq
655     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
656       and entry for T90 in genmake
657    
658    checkpoint29
659     o packaged KPP and GM/Redi
660    
661    checkpoint28
662     o Corrected initialization of hFacMin for difference vertical coordinates
663     o Modified calculation of partial cell thickness to more robust algorithm
664     o config_summary.F: replaced write_1D_... by write_0D_...
665       read_write.F: added subroutines write_0D_...
666     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
667       included some initialisations required for TAMC.
668     o routine calc_isoslopes: modified sqrt computation to make it
669       differentiable for zero argument.
670     o routines dynamics, impldiff:
671       included store directives and tape key computations required for TAMC.
672     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
673    
674    checkpoint27
675     o fixed calc_isoslopes() to so that cancellation of terms in tensor
676       formulation works properly with variable resolution.
677     o restructured the calling tree between the_model_main() and dynamics()
678     o split initialise() into initialise_fixed() and initialise_varia()
679     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
680       in new routine ini_psurf()
681    
682    checkpoint26
683     o moved some #ifdef in optional routines to encompass everything
684       except the argument declarations. This was using up some memory.
685     o fixed macros like _ADT to work with both versions of Linux cpp
686     o cleaned up some unused and uninitialized variables
687       (helps when debugging with strict compile options)
688     o split up CPP_EEOPTIONS.h into options and macros
689       (macros are now in eesupp/inc/CPP_EEMACROS.h)
690     o patch for 2 processor JAM mode
691    
692    checkpoint25
693     o updates for OBCs and NH
694     o dramatically reduced memory usage
695     o added "JAM" routines for use on Artic network
696     o parameterization of convection by implicit vertical diffusion
697     o added a diagnostic of convective index
698     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
699       (this is was partly for OBCs and NH but also in anticipation of
700        an explicit free-surface option)
701     o initial state input files for U and V
702    
703    checkpoint24
704     o Removed some spurious "REAL"s
705     o Updated KPP to latest version from JPL
706     o Added a COS(latitude) in horizontal viscosity
707    
708    checkpoint23
709     o Added del^4 diffusion for salt and temperature
710     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
711    
712    checkpoint22
713     o Made many small changes: implicit none, format(i5), etc...
714     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
715    
716    checkpoint21
717     o Introduced new I/O package that supports direct-access records (mdsio.F)
718     o Split-up mid-level I/O routines
719     o Updated input data for experiments 0,1,2,4 and 5
720     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
721    
722    checkpoint20
723     o Tidied up open-boundaries some more
724     o Added non-hydrostatic code
725     o Fixed some input data
726     o Modified MPI start-up to work in "coupled" context.
727    
728    checkpoint19
729     o Tidied up directory structure for verification experiments.
730     o Added new code for open boundaries.
731     o Corrected advective terms near boundaries.
732     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
733     o Implemented free-slip/no-slip BCs and del^4 dissipation.
734     o Split default parameters out of ini_parms.F into set_defaults.F.
735    
736    checkpoint18
737     o Further changes for optional code generation with
738       CPP - ugh!
739    
740    checkpoint17
741     o Beginning to incorporating modularity
742       for supporting atmos. and ocean configs.
743     o Small changes for TAMC complinace
744     o New ultra simple test case. Barotropic box
745       configuration "exp0".
746    
747    checkpoint16
748     o Minor changes to exchange routines to support
749       accumulation in reverse mode. Adjoint of an
750       assignment is an addition.
751     o Changes to support compilation by TAMC (LR(1)
752       syntax) and by g77 under Linux ( 72 character
753       limit ).
754    
755    checkpoint15
756     Rewrote exchange routines to allow
757     o General tile <-> tile connectivity.
758     o TAMC reverse mode flag ( is this really needed? )
759     o Variable width overlap and exchange region widths.
760     o Hooks for sharing data via DMA, Arctic, Memory Channel,
761       shmput/shmget, VIA, SYSV shmem and every other cool
762       communication method.
763    
764    checkpoint14
765     Consistent isomorphism chages made. These allow dynamical core
766     to support both pressure and meters as a vertical coordinate.
767    
768    checkpoint13
769     Release which corrects global_max problem and a couple
770     of KGM time-averaging diagnostic errors. Also contains
771     a double-gyre experiment setup as well as the baseline
772     4 degree global template. The double gyre template is
773     organised to allow it to be applied automatically to
774     the baseline configuration.
775    
776    branch-point-rdot
777     A few tidy-ups have been made bt the real point of this
778     check-point (excuse the pun) is to allow a branch to be
779     made for the purposes of adding the rDot alterations.
780     I don't want to commit the rDot to the main-trunk until
781     we've actually tested it...
782    
783    checkpoint12
784     Tidy up and added generic genmake script (formerly
785     configure script).
786     Released to testers.
787    
788    checkpoint11
789     Re-arranged initialise() and introduced ini_vertical_grid()
790     and ini_masks_etc().
791    
792    checkpoint10
793     Introduced the configure script.
794     Separated out the diags package.
795     Added template for writing time-averages of tile/intermediate quantities.
796     Updated SIZE.h in exp2 and made the data big-endian.
797    
798    checkpoint9
799     MPI fix. Filename changes (meta/data). salbin*y stuff.
800     General tidy-up.
801     SST.bin SSS.bin added to verification/exp2
802    
803    checkpoint8
804     Inludes time-dependant forcing and time-averaging.
805     Works at 4x4 and 2.8125x2.8125 global
806    
807    checkpoint7-4degree-ref
808     Branch from checkpoint7. Released for application to
809     global modeling and general modeling - process studies, regional
810     model etc..
811     Configured for verification/exp2 - 4 degree global, two process.
812    
813    checkpoint7
814     Created by cnh
815     Simple 4 degree global simulation
816     configuration.
817     Includes climatological wind,
818     hydrography, bathymetry etc
819     Does not include Heat Flux and E-P
820    
821    checkpoint6
822     Created by cnh
823     merged checkpoint5 with CD and
824     spherical polar code.
825     Still some problems with GM Redi
826     abd full topography.
827    
828    checkpoint5
829     Created by AJA
830     contains updates to GM Redi
831     and reordered timestepping loop
832     for Implicit Diffusion.
833    
834    checkpoint4
835     Created by cnh
836     Contains memory saving macros ( _rdxc etc..) for when
837     grid variations are limited.
838     Contains polynomial coeffs for EOS and knudsen program
839     for generation.
840    
841  checkpoint3  checkpoint3
842   Created by cnh   Created by cnh
843   Added extra flags for runtime options   Added extra flags for runtime options
# Line 20  checkpoint1 Line 856  checkpoint1
856   Restructured kloop in dynamics.F   Restructured kloop in dynamics.F
857   Added non-linear EOS   Added non-linear EOS
858    
859  baseline - Original checked in code  baseline
860     Original checked in code
861    

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