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revision 1.2 by cnh, Sat May 30 02:19:49 1998 UTC revision 1.123 by jmc, Fri Jan 24 17:55:25 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint48a_post
7    o In preparation for r*, use temp. array to compute vertical transport
8       in flux-form momentum pkg. => change results of few test-exp.
9      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
10                        lab_sea, natl_box & plume_on_slope
11    
12    checkpoint48
13    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
14    
15    checkpoint47j_post
16    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
17    o moved adexch from forward_step to addummy_in_stepping
18    o added exch in ctrl_map_...
19    o aveFreq.=0. at end of cost_final to avoid overwrite in
20      reverse checkpointing loop
21    o Yet more changes in gmredi:
22      * adgmredi_calc_tensor
23        avoiding all recomputation of gmredi_slope_limit
24      * adgmredi_x/y/rtransport
25        added flag for excessive storing to avoid recomp. of
26        u/v/rtans, dTdx/y/z
27        -> this is not really necessary and very memory-consuming
28      * adgmredi_slope_psi:
29        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
30      * gmredi_slope_limit
31        re-activated full calculation of taperfct for case 'ac02'
32    o updating verification/ adjoints of carbon, global_ocean.90x40x15
33    
34    checkpoint47i_post
35    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
36    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
37      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
38    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
39    o gmredi: fix few bugs.
40    
41    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
42    This will be a good checkpoint to plug into the ecco-branch.
43    o few modif.'s to get latest version adjointed
44      (mainly kick out code in ini_linear_phisurf)
45    o modif's to run adjoint with exactConserv
46    o case GM_BOLUS_ADVEC should be cleaned
47      S/R gmredi_slope_psi should be cleaned
48    o verification/carbon now has exactConserv=.TRUE.
49    
50    checkpoint47g_post
51    o time-average AIM output: becomes independent from statvars time-average
52      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
53    o After TAF bug fix:
54      Tested adjoint of gmredi package.
55      Tests were done with checkpoint47 rather than with latest
56      checkpoint47f_post since the latter is broken for the adjoint
57      verification/carbon/ contains both ADM and TLM gradient checks.
58    Here they are, before they get changed/lost/stolen.
59    Mostly modif.'s to fix numerical sensitivities.
60    Gradient checks OK for
61    - GM_taper_scheme:
62      * clipping
63      * ac02
64      * linear
65      * glw91
66      * dm95
67      * ldd97
68    - GMREDI_OPTIONS:
69      * GM_VISBECK_VARIABLE_K
70      * GM_NON_UNITY_DIAGONAL
71      * GM_EXTRA_DIAGONAL
72      * GM_BOLUS_ADVEC
73    in conjunction with data.gmredi parameters to be checked in
74    in a few minutes under verification/carbon/code/
75    
76    checkpoint47f_post
77    Merging from release1_p10:
78    o modifications for using pkg/exf with pkg/seaice
79      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
80        and SEAICE_EXTERNAL_FLUXES
81      - pkg/exf CPP options EXF_READ_EVAP and
82        EXF_NO_BULK_COMPUTATIONS
83      - usage examples are Experiments 8 and 9 in
84        verification/lab_sea/README
85      - verification/lab_sea default experiment now uses
86        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
87    
88    checkpoint47e_post
89    o created a tag prior to creating a branch
90    
91    checkpoint47d_post
92    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
93      at the bottom boundary had an erroneous half slip boundary condition
94    o added bottom drag and no slip boundary condition capabilities to
95      oceanic pressure coordinates code
96    o added new verification experiment global_ocean_pressure, this experiment is
97      also described in the tutorial section of the manual
98    checkpoint47d_pre
99    
100    checkpoint47c_post
101    o Added a verification experiment for a global cubed-sphere ocean run
102      -  verification/global_ocean.cubed32x32x30
103      -  uses pkg/therm_seaice and pkg/bulk_forcing
104    
105    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
106    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
107      when using P-coordinate; only implemented for atmospheric config.
108    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
109      NOTES: requires option NONLIN_FRSURF to be "#define".
110    o update advect_xz/results/output.txt (left from checkpoint44g_post)
111    
112    checkpoint47b_post
113    Merging from release1_p9:
114    o pkg/seaice
115      - removed GOTO's and added taf directives
116      - double precision constants to reduce the g77 (Linux)
117        to F77 (SGI) differences reported in release1_p8
118    o tools/genmake
119      - added SGI options
120    o verification/testscript
121      - updated to that of checkpoint47a_post
122    o verification/global_ocean.90x40x15/input/eedata
123      - modified for SGI f77 compatibility
124    o verification/lab_sea
125      - added description of sea-ice model
126      - added missing matlab routines
127      - added test of thermodynamics parallelization
128    
129    checkpoint47a_post
130    o new pkg: aim_v23
131     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
132       for now, keep the same surface forcing as before.
133     - Part-Cell implemented into AIM; check that Heat & Water are conserved
134     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
135     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
136    o add diagnostic of surface correction term in monitor output
137    
138    o bulk_force and therm_seaice
139    - Two packages:  bulk_force (Bulk forcing)
140      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
141    - Earlier integration from Stephaine Dutkiewicz
142      and Patrick Heimbach.
143    - Two ifdef statements for compile time,
144       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
145    
146    checkpoint47
147    differentiable version of checkpoint46n_post
148    o bug fix in quasihydrostaticterms
149    o * "clean" adjoint code (in terms of extensive recomputations)
150        can now be obtained for all GMREDI options (i.e. for
151        - GM_VISBECK_VARIABLE_K
152        - GM_NON_UNITY_DIAGONAL
153        - GM_EXTRA_DIAGONAL
154        - GM_BOLUS_ADVEC )
155      * However, wrong gradient check problem remains unsolved.
156      * New CPP options have been introduced for different
157        tapering schemes
158    o external_fields_load now part of differentiation list
159    o pressure needs multiple storing;
160      would be nice to have store_pressure at beginning or
161      end of forward_step, e.g. by having phiHyd global (5-dim.)
162      (NB: pressure is needed for certain cases in find_rho,
163      which is also invoked through convective_adjustment).
164    o recomputations in find_rho for cases
165     'JMD95'/'UNESCO' or 'MDJWF' are OK.
166    o #define ATMOSPHERIC_LOADING should be differentiable
167    o ini_forcing shifted to begining of initialise_varia
168    o Incorporating QNVS line search routines into MITgcm
169      (this is separate code, and therefore not under pkg)
170      lsopt/, optim/
171    o Updated verification/carbon/
172      - #define GM_VISBECK_VARIABLE_K
173      - GM_taper_scheme    = 'ldd97'    
174    
175    checkpoint46n_post
176    Merging from release1_p8:
177    o verification/natl_box:
178      updating new external_fields_load routine
179    o New package: pkg/seaice
180      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
181      The sea-ice code is based on Hibler (1979-1980).
182      Two sea-ice dynamic solvers, ADI and LSR, are included.
183      In addition to computing prognostic sea-ice variables and diagnosing
184      the forcing/external data fields that drive the ocean model,
185      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
186      The implied surface heat flux is then stored in variable
187      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
188      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
189      non-local transport term.  Because this call precedes model
190      thermodynamics, temperature under sea-ice may not be "exactly" at
191      the freezing point by the time theta is dumped or time-averaged.
192      N.B.: fairly large differences in accuracy occur across
193            different platforms/compilers; comparison between
194            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
195            generated output gives:
196       T           S           U           V
197      C D M    c        m  s        m  s        m  s        m  s
198      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
199      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
200      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
201    
202      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
203    o GAD:
204      - generated new common blocks to account for call of
205        same gad routines with differing traceridentities
206        (needed to modify tracerIdentity indices in GAD.h)
207      - generated separate common blocks for case useCubedSphereExchange
208        (Department of Futurology)
209      - parameter lists to gmredi_?transport: added tracerIdentity
210      - added new key indices to tamc.h
211    o external_fields_load:
212      - added this routine to TAF list
213      - needed to make some common blocks global and additional storing
214        along the same lines as exf package (checkpoint_lev?_directives.h)
215    o exf:
216      updated external forcing package
217      - bug fixes carried over from ecco-branch
218        (missing OBCS_OPTIONS.h in two routines)
219      - enable easy to use "no forcing".
220      - added exf I/O for atmospheric loading
221      - added exf I/O for runoff data
222      - transfered scaling between exf <-> MITgcm to exf namelist
223    o Adding new verification experiment global_with_exf.
224      This verification experiment is almost identical to the
225      global_ocean.90x40x15 experiment, except that it uses
226      the exf (and cal) package instead of the
227      external_fields_load routine (cf README file).
228    
229    checkpoint46m_post
230    o modified testscript to return -- when there are no lines of "%MON" output
231    o added new flag "quasiHydrostatic" for QH mode
232      and new routine quasihydrostaticterms()
233    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
234      New routine: mom_u_coriolis_nh()
235    o fixed sign of non-hydrostatic metric terms in u and v equations.
236      Depend on correct sign of gravitySign.
237    o added work.pc* to .cvsignore in aim directories using ifc
238    o introduced flag for controllin non-hydrostatic metric terms
239    o removed gravitySign from PARM04
240    o switched to g77/ifc from pgf77 in aim experiments
241    
242    checkpoint46l_post
243    o made convective adjustment work with pressure coordinates:
244     - changed the direction of k-loop in convective_adjustment.F for the
245       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
246     - adjusted the reference pressure k-index in convective_adjustment.F
247     - adjusted the convection condition in convect.F (in analogy to
248       calc_ivdc.F)
249     - convective_adjustment no longer computes anything on the halos
250     - removed the warnings about negative salinity from find_rho.F and
251       find_alpha.F; instead the new routine look_for_neg_salinity, called
252       at the beginning of find_rho, find_alpha, and find_beta, does a
253       check of the entire slice, if CPP-option
254       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
255    checkpoint46l_pre
256    
257    checkpoint46k_post
258    o fixed the verification/global_ocean.90x40x15 experiment:
259     - new bathymetry (the world according to A., JMC, and M.)
260     - new initial fields and forcing fields (*.bin files)
261     - new POLY3.COEFFS (for the next release one should switch to a full
262       equation of state: JMD95P or MDJWF)
263     - fixed several errors and redundancies in the data file
264     - experiment uses looped cells
265     - added matlab directory with diagnostic scripts for plotting of output
266    
267    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
268     - read AIM physics parameters from a file (data.aimphys)
269     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
270    
271    checkpoint46j_post
272    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
273    o move wVel computation at the end of the time step, in S/R integr_continuity
274    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
275    o update timeave pkg for wVel diagnostic.
276    checkpoint46j_pre
277    
278    checkpoint46i_post
279    o Clean up AIM package (and keep the results unchanged):
280      include CPP_OPTION and use IMPLICT NONE in all routines ;
281      declare all the variables _RL ; use _d 0 for all numerical constants.
282      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
283    
284    checkpoint46h_post
285    o cleaned up the use of rhoNil and rhoConst.
286      - rhoNil should only appear in the LINEAR equation of state, everywhere
287        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
288        and the dynamical equations are all divided by rhoConst
289    o introduced new parameter rhoConstFresh, a reference density of fresh
290      water, to remove the fresh water flux's dependence on rhoNil. The default
291      value is 999.8 kg/m^3
292    o cleanup up external_forcing.F and external_forcing_surf.F
293      - can now be used by both OCEANIC and OCEANICP
294    checkpoint46h_pre
295    
296     Added code to convert surface volume flux (fresh water) into
297     a mass flux when using P coordinates in the ocean (OCEANICP).
298     Note: It assumes you have set rho0=rhoConst=density of fresh water.
299    
300    checkpoint46g_post
301    o Include a new diagnostic variable phiHydLow for the ocean model
302      - in z-coordinates, it is the bottom pressure anomaly
303      - in p-coordinates, it is the sea surface elevation
304      - in both cases, these variable have global drift, reflecting the mass
305        drift in z-coordinates and the volume drift in p-coordinates
306      - included time averaging for phiHydLow, be aware of the drift!
307    o depth-dependent computation of Bo_surf for pressure coordinates
308      in the ocean (buoyancyRelation='OCEANICP')
309      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
310        Theta, Salinity, and Pressure in the parameter list. This routine is
311        presently contained in find_rho.F. This routine does not give the
312        correct density for 'POLY3', which would be a z-dependent reference
313        density.
314    o cleaned up find_rho
315      - removed obsolete 'eqn' from the parameter list.
316    o added two new verification experiments: gop and goz
317      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
318    checkpoint46g_pre
319    
320    checkpoint46f_post
321    o Enable tangent linear (forward mode) gradient checks:
322      - extended active file handling to g_... files
323      - added TANGENT_SIMULATION to theSimulationMode
324      - extended grdchk package accordingly
325    o added tangent linear setup in verification/carbon/code_ftl
326    o added adjoint setup in verification/front_relax/code_ad
327    
328    checkpoint46e_post
329    o Added new equation of state -> MDJWF
330      - EOS of McDougall et al., 2002, JAOT, submitted
331      - caveat: the equation of state is only valid for a smaller (more
332        realistic?) range of values than JMD95P/Z and UNESCO
333      - added masks to the calculation of pressure in store_pressure
334      - added more check values for density in check_eos (ini_eos.F), some of
335        the old check values are out of the range of the MDJWF-eos, so don't
336        expect perfect matches for those
337    checkpoint46e_pre
338    
339    checkpoint46d_post
340    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
341      'OCEANICP', also initialised field pressure correctly in ini_eos in the
342      case of pressure coordinates. eosType='JMD95Z' in
343      combination with buoyancyRelation='OCEANICP' now causes an error.
344    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
345      in find_alpha/beta.
346    checkpoint46d_pre
347    
348    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
349      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
350    
351    checkpoint46c_post
352    o Changes necessary for ocean in p-coordinates
353     -  Added new buoyancy relation = 'OCEANICP'
354     -  Added new parameters = gravitySign (this used to be contained inside
355        the factor dRdZ which I added when we first switched to R coordinates).
356     X GM/Redi is not compatible (yet)
357     X bottom drag and no-slip need to be debugged.
358    checkpoint46c_pre
359    
360    checkpoint46b_post
361    o Added new equation of state -> JMD95Z and JMD95P
362      - EOS of Jackett and McDougall, 1995, JAOT
363      - moved all EOS parameters into EOS.h
364      - new routines ini_eos.F, store_pressure.F
365    o Added UNESCO EOS, but not recommended because it requires
366      in-situ temperature (see JMD95)
367    o Modified formatting for knudsen2.f in utils/knudsen2 and added
368      unesco.f to be used with POLY3
369    checkpoint46b_pre
370    
371    checkpoint46a_post
372    o Added (atmospheric) pressure loading
373      - new field in FFIELDS.h, etc...
374      - new cpp flag ATMOSPHERIC_LOADING
375    o Changed hFacC to _hFacC in calc_phi_hyd.F
376    o Added SHORTWAVE_HEATING to some files for consistency
377    checkpoint46a_pre
378    
379    checkpoint46
380    further merges from release1_p5
381    o new ctrl package
382      - adopted from ECCO environment to enable optimization
383      - added Eliassen Palm fluxes to controls
384    o added Eliassen Palm flux controls to gradient check package
385    o cost package
386      - Compatible with new ctrl package
387      - added Eliassen Palm cost hooks
388      - modif's of existing cost functions
389    o Adjoint-related bug fixes in kpp:
390      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
391      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
392    o autodiff package
393      - flow directives:
394        + new for S/R do_the_model_io
395        + enhanced for S/R checkpoint
396        + new gmredi.flow
397      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
398        disable adcommon.h/g_common.h by default.
399      - fixed problem for adjoint of global_max
400    o modified verification/carbon/
401    o New setup for adjoint of global_ocean
402    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
403    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
404    o incorporated hooks for sponge layer code (external_forcing.F)
405    
406    checkpoint45d_post
407    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
408    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
409      (affects plume_on_slope "cg2d" output)
410    o add new parameter deltaTfreesurf for free-surface time stepping
411    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
412    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
413    o change phiMin in exp1 (to agree with documentation)
414    o add new flags:
415     - T,S forcing inside/outside Adams-Bashforth
416     - turn off temp,salt advection and/or forcing
417     - for each tracer, define internal flag for multiDimAdvection & A-B
418    o monitor: change definition of KE to check conservation of Energy
419    
420    checkpoint45c_post
421    o Removed f90 comments ("!")
422    o Modified initialisations to enable exf package for MITgcm
423      (without invoking ECCO_PACKAGE).
424    o modifications to gradient check package (Martin Losch)
425      - enable centered differences
426      - modified format of standard output
427    
428    checkpoint45b_post
429    o cleaned exchange calls in cg2d
430    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
431    o included CPP option SINGLE_LAYER_MODE in thermodynamics
432      to configure barotropic setup (Martin Losch)
433    o moved some initialisations within bi,bj loop in dynamics
434      (TAF flow dependency)
435    o in initialise_varia, moved call packages_init_variables
436      before convective_adjustment_init
437      (corresponding adjustment of TAF tape initialisation).
438    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
439    
440    checkpoint45a_post
441    o compute Rho over the whole domain (extend iMin,jMin indices)
442    o specific exchange for X-slice domain (case Ny=1)
443    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
444    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
445    
446    checkpoint44h_post = checkpoint45
447    o Fix to restore differentiability:
448      place at which packages_init_variables is called in
449      initialise_varia is crucial for reverse control flow.
450    o modifications in GMRedi to enable stable adjoint
451      (corresponding modif's in thermodynamics, dynamics)
452    o added missing hook for sponge layer code in external_forcing
453    o modified test cost functions
454    o storing in gad_advection (plus removal of write(0,*)!
455    o missing headers TR1.h added in convective_adjustment routines
456    o errorMessageUnit set non-equal zero in eeboot
457      (conflict on some platforms, e.g. IBM SP3)
458    o modified carbon verif.
459    
460    checkpoint44h_pre
461    o vertical grid option: allow to put the Interface at the middle between
462      2 cell-centers ; replace delZ in pkg/kpp by drF.
463    o GM Advective form: Tracers are advected using the residual transport (=
464      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
465    
466    checkpoint44g_post
467    o fix surface correction term in multiDimAdvection (affects plume_on_slope
468      results) ; ifdef missing in thermodynamics.F
469    
470    checkpoint44f_pre,checkpoint44f_post
471    o added PTRACERS package
472      This allows an arbitrary number of passive tracers to be integrated
473      forward simultaneously with the dynamicaly model.
474      + Implemented so far:
475        - basic forward algorithm (time-stepping, advection, diffusion, convection)
476        - I/O and checkpointing
477        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
478      + Not implemented so far:
479        - KPP
480        - OBCS
481      + No specific example supplied (yet) but global_ocean.90x40x15 has the
482        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
483        line in data.pkg.
484      + This package is disabled by default since it increases storage.
485    
486    
487    o testscript: added -cleanup option
488    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
489                 b) enable to filter 2D fields.
490    
491    checkpoint44e_pre,post
492    o re-wrote convective adjustment to use pre-calculated weights
493      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
494      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
495      Original calls to convect() still in place.
496    
497    chkpt44d_pre,post
498    o added missing EXCLUDE_MONITOR flags
499    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
500      (incompatible typ in MIN/MAX expressions caused problems
501      on IBM SP3)
502    o in genmake added variable MAKEDEPEND
503      plus resetting for case SunOS
504    o added timer_stats.c routine for IBM SP3
505    o removed variables in dynamics
506    !!! I forgot to create tag chkpt44d_pre !!!
507    !!! But chkpt44d_pre = chkpt44c_post    !!!
508    
509    o real fresh water flux implemented with non-linear free-surface.
510    
511    chkpt44c_pre,post
512    o few fix (mask in shap_s2, EmPmR in external_field_load,
513      USE_NATURAL_BCS in solve_for_P);
514    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
515    
516    checkpoint44b_pre/_post
517    o merge of relevant stuff from the ecco-branch:
518      - genmake: removed $S64 overwrite for case SunOS
519      - pkg/exf: update and corrections for field swapping and obcs
520      - pkg/ecco: parameter lists for the_model_main, the_main_loop
521                  harmonized between ECCO and MITgcm
522      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
523                      updated checkpointing_lev... lists for obcs
524      - model/src: minor changes in forward_step, plot_field
525                   added directive for divided adjoint in the_main_loop
526      - pkg/mdsio: added mdsio_gl_slice
527    
528    o check parameters & config (chkpt44a_pre,post)
529    o OBC and NonLin_FrSurf.
530    
531    checkpoint44
532    o fix bug in mom_vi_del2uv
533    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
534    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
535    o update AIM experiments (NCEP input files)
536    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
537    o added some stuff for AD
538    
539    checkpoint43
540    o added two new advection tests
541    o added global 4x4 degree ocean test
542    o added test of H&S94 with free surface on cube
543    o some final mods for gradient check, adjoint,...
544    
545    checkpoint42
546      Fixed AD-related problems:
547    o Store directives up-to-date with re-arranged Adams-Bashforth
548      (mainly thermodynamics.F)
549    o New store directives for multi-dim. advection schemes
550      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
551      * new common block and key passkey
552      (mainly gad_advection.F)
553    o Modified store directives for split of dynamics/thermodynamics
554      for the case ALLOW_KPP
555    o Cleaned argument list for timestep_tracer.F
556    
557    checkpoint41
558    o re-formatted/added comments in prologues of key subroutines
559      to work with protex
560    
561    checkpoint40
562    o moved calc_gs, calc_gt and calc_tr1 back to model/src
563    o added FLT (floats) package from Arne along with demo. experiment
564    o re-arranged Adams-Bashforth scheme for tracers to allow easier
565      implementation of forward-in-time forcing terms
566    o more mods for non-linear free-surface including new variable
567    o modified multi-dim method to work on cube
568    o bug fix in KPP (from DM)
569    
570    checkpoint40pre9
571    o added DST advection schemes
572    o fix MPI bug on SGI's
573    o modifications for non-linear free-surface
574    o fixed conditionals for fixed flow/passive tracer only mode
575    o added tension/strain form of stress tensor
576    o changes to commenting of arguments for TAF/TAMC
577    o added/updated many matlab scripts
578    o added multi-dimensional advection method for tracers
579      
580    checkpoint40pre8
581    o new package rw/
582      Added method for dumping intermediate local arrays:
583      mdsio_writetile - same as mdsio_writefield except works from inside
584                        bi,bj loop
585      mdsio_writelocal - same as mdsio_writetile except works for local
586                         arrays
587      write_local_r? - higher-level wrapper for mdsio_writelocal
588      Controlled by diagFreq. Defaults to zero (ie. no dumps)
589      Example given at end of mom_vecinv.F that dumps some local arrays.
590    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
591      control flux-form versus vector invariant code.
592      Switch is runtime flag vectorInvariantMomentum (defaults to false)
593      or genmake -DISABLE ...
594    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
595      (additional storing is now needed for case vecinv;
596      currently nothing implemented to switch this storing off
597      in case fluxform is used since no CPP flag available).
598    
599    checkpoint40pre7
600    o bug fix in dynamics.F
601      calc_viscosity called before k=1,Nr loop.
602    o added some #ifdef's ALLOW_PASSIVE_TRACER
603    o cleaned initialisations in ctrl_map_ini
604      related to TAF
605    
606    checkpoint40pre6
607    o split dynamics into thermodynamics & dynamics
608    o corresponding split of calc_diffusivity into
609      calc_diffusivity, calc_viscosity
610      (kpp_calc_diff, kpp_calc_visc).
611    o Added diffkr, kapgm to control variables
612    o bug fix in gmredi_slope_limit for ldd97
613    
614    checkpoint40pre5
615    o proper initialization of Adams-Bashforth time stepping
616      + uses forward step for very first step of model (iter=0)
617    o re-generated *all* output since almost all output is modified by this
618      change (sorry but we've been putting this one off for about 2 years)
619      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
620        *not* regenerated since they are already out of date and I don't
621        want to create the impression that they are suddenly working.
622    o removed KAP stuff for DEC's
623    o modified/added many .cvsignore files in */code and */input
624    o added new expt "solid-body.cs-32x32x1"
625      + this uses an alternative form of ini_curvilinear_grid.F which
626        is not necessarily any better than the current one...
627    
628    checkpoint40pre4
629    o added re-initialisations of utrans,vtrans,rtrans in
630      calc_common_factors which are crucial for TAF.
631    o extended iMin,jMin range for calc_common_factors,
632      calc_diffusivity
633    o added option ALLOW_PASSIVE_TRACER
634    o a few minor updates and fixes
635    
636    checkpoint40pre3
637    o created calc_gtr1.F for gad package
638    o split the_main_loop and re-introduced forward_step
639    o some recomputations of nIter0 for TAMC
640    
641    checkpoint40pre2
642    o Updated to latest branch of AJA, JMC
643    o Added gradient check package
644    o Added routines for passive tracer handling
645    o Added carbon sequestration sensitivity experiment
646    
647    checkpoint39
648     o Modifications and fixes to support TAMC
649       (mainly missing or wrong directives)
650     o Corrected common blocks when fooling TAMC to produce adjoint I/O
651       in addummy_in_stepping
652     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
653     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
654     o Included following packages:
655       cal: calendar
656       exf: external forcing
657       ecco: essential routines to control use of cal, exf
658             (NB: this is not the full ECCO environment)
659     o disabled some packages by default in genmake
660    
661    checkpoint38
662     o see notes_c37_adj.txt
663     o corrected wrong layer index in external_forcing_t
664     o replaced the_main_loop/forward_step by the_main_loop
665     o removed forceoutput from write_state
666       (replaced criteria for initial/final state)
667     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
668    
669    checkpoint37
670     o mdsio.F routine split and packaged in pkg/mdsio
671       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
672        used unless genmake -disable=mdsio)
673     o allow a more precise surface-geopotential gradient for the atmosphere
674       taking into account the change in space of Alpha (=1/rho) at the surface.
675     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
676       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
677     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
678       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
679       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
680     o Time-Average diagnostics defined as a pseudo package "timeave".
681     o pickup files : old pickup (before c35) did not work with new code (c35
682       and after) unless activating 2 commented lines in initialise-varia.
683     o Non-Hydrostatic pickup file Pb fixed.
684     o bug with Rigid-lid version (since c35) fixed.  
685    
686    checkpoint36
687     o implement Crank-Nickelson barotropic time-stepping
688     o recover Time-Average diagnostics
689     o fix Pb in checkpoint (PR#19)
690     o AIM become a standard package ; clean unused CPP_kees
691    
692    checkpoint35
693     o subtantial rewrite of dynamics.f
694     o allows staggered time-stepping
695     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
696     o added bottom drag (linear + quadratic)
697    
698    checkpoint34
699     o Modified exchange routines for correct reverse simulation.
700     o Added verification output to comply with bug fix in impldiff.F
701       as of c33 (exp2, natl_box).
702     o Corrected store directives in dynamics.F
703     o Corrected array boundaries in impldiff.F
704     o Corrected array dimensions in gmredi.
705       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
706     o Added routine GLOBAL_SUM_INT to global_sum.F
707     o Added mdsio_gl.F for ECCO purposes.
708    
709    checkpoint33
710     o Fixed bug in lower BC in impldiff.F
711     o Fixed confusion about units of forcing arrays in FFIELDS.h
712       namely Fu,Fv,Qnet,Qsw,EmPmR:
713       - Removed verification/natl_box/code/external_fields_scale.F
714         (did not differ from that in model/src)
715       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
716         (see FFIELDS.h for description)
717       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
718         kpp_calc.F and kpp_transport_t.F
719       - Removed model/src/external_fields_scale.F and calls to it
720       - verification/natl_box uses flux data with "atmospheric" sign so
721         a special version of external_fields_load.F is used to
722         change the data as it's read in. This way, the arrays
723         have the right units and signs at all times tha a user could
724         possibly use them.
725     o Corrected genmake to delete a temporary file during configuration
726    
727    checkpoint32
728     o Scaling of forcing fields moved from external_forcing.F to
729       external_fields_scale.F, called directly after loading fields.
730     o Surface relaxation terms added to surface tendency fields in
731       extra subroutine.
732     o impldiff.F changed to avoid storing by TAMC of huge intermediate
733       fields.
734     o Changes in GMRedi to comply with packaging structure.
735     o Modifications and bug fixes in KPP package.
736     o Verification experiment for KPP added (verification/nat_box/)
737    
738    checkpoint31
739     o Packages interface brought in line with defined standard
740       -> new routines packages_...F
741       -> changes in initialise_fixed.F, initialise_varia.F
742       -> enables initialisation interface for ECCO package
743     o Rescaling of external forcing fields immediately after read
744       (removed from external_forcing.F)
745       -> new: surface_fields_scale.F
746       -> affects ini_foorcing.F, external_fields_load.F
747     o Computation of surface tendencies before tendency updates.
748       -> new: external_forcing_surf.F
749     o Change of variable names useGMRedi, useKPP, useECCO
750     o Further changes in dynamics.F, impldiff.F for TAMC
751     o Tested for experiments 0, 2, 4.
752       - not yet tested for GMRedi.
753       - not yet tested for KPP.
754    
755    checkpoint30
756     o Updates for OBCs
757     o New experiment for test OBCs (internal_wave)
758     o New output.txt in verification/exp4/results/
759     o Updates for KPP: calculation of viscosity corrected, new variables
760       kpp_dumpFreq and kpp_taveFreq
761     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
762       and entry for T90 in genmake
763    
764    checkpoint29
765     o packaged KPP and GM/Redi
766    
767    checkpoint28
768     o Corrected initialization of hFacMin for difference vertical coordinates
769     o Modified calculation of partial cell thickness to more robust algorithm
770     o config_summary.F: replaced write_1D_... by write_0D_...
771       read_write.F: added subroutines write_0D_...
772     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
773       included some initialisations required for TAMC.
774     o routine calc_isoslopes: modified sqrt computation to make it
775       differentiable for zero argument.
776     o routines dynamics, impldiff:
777       included store directives and tape key computations required for TAMC.
778     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
779    
780    checkpoint27
781     o fixed calc_isoslopes() to so that cancellation of terms in tensor
782       formulation works properly with variable resolution.
783     o restructured the calling tree between the_model_main() and dynamics()
784     o split initialise() into initialise_fixed() and initialise_varia()
785     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
786       in new routine ini_psurf()
787    
788    checkpoint26
789     o moved some #ifdef in optional routines to encompass everything
790       except the argument declarations. This was using up some memory.
791     o fixed macros like _ADT to work with both versions of Linux cpp
792     o cleaned up some unused and uninitialized variables
793       (helps when debugging with strict compile options)
794     o split up CPP_EEOPTIONS.h into options and macros
795       (macros are now in eesupp/inc/CPP_EEMACROS.h)
796     o patch for 2 processor JAM mode
797    
798    checkpoint25
799     o updates for OBCs and NH
800     o dramatically reduced memory usage
801     o added "JAM" routines for use on Artic network
802     o parameterization of convection by implicit vertical diffusion
803     o added a diagnostic of convective index
804     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
805       (this is was partly for OBCs and NH but also in anticipation of
806        an explicit free-surface option)
807     o initial state input files for U and V
808    
809    checkpoint24
810     o Removed some spurious "REAL"s
811     o Updated KPP to latest version from JPL
812     o Added a COS(latitude) in horizontal viscosity
813    
814    checkpoint23
815     o Added del^4 diffusion for salt and temperature
816     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
817    
818    checkpoint22
819     o Made many small changes: implicit none, format(i5), etc...
820     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
821    
822    checkpoint21
823     o Introduced new I/O package that supports direct-access records (mdsio.F)
824     o Split-up mid-level I/O routines
825     o Updated input data for experiments 0,1,2,4 and 5
826     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
827    
828    checkpoint20
829     o Tidied up open-boundaries some more
830     o Added non-hydrostatic code
831     o Fixed some input data
832     o Modified MPI start-up to work in "coupled" context.
833    
834    checkpoint19
835     o Tidied up directory structure for verification experiments.
836     o Added new code for open boundaries.
837     o Corrected advective terms near boundaries.
838     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
839     o Implemented free-slip/no-slip BCs and del^4 dissipation.
840     o Split default parameters out of ini_parms.F into set_defaults.F.
841    
842    checkpoint18
843     o Further changes for optional code generation with
844       CPP - ugh!
845    
846    checkpoint17
847     o Beginning to incorporating modularity
848       for supporting atmos. and ocean configs.
849     o Small changes for TAMC complinace
850     o New ultra simple test case. Barotropic box
851       configuration "exp0".
852    
853    checkpoint16
854     o Minor changes to exchange routines to support
855       accumulation in reverse mode. Adjoint of an
856       assignment is an addition.
857     o Changes to support compilation by TAMC (LR(1)
858       syntax) and by g77 under Linux ( 72 character
859       limit ).
860    
861    checkpoint15
862     Rewrote exchange routines to allow
863     o General tile <-> tile connectivity.
864     o TAMC reverse mode flag ( is this really needed? )
865     o Variable width overlap and exchange region widths.
866     o Hooks for sharing data via DMA, Arctic, Memory Channel,
867       shmput/shmget, VIA, SYSV shmem and every other cool
868       communication method.
869    
870    checkpoint14
871     Consistent isomorphism chages made. These allow dynamical core
872     to support both pressure and meters as a vertical coordinate.
873    
874    checkpoint13
875     Release which corrects global_max problem and a couple
876     of KGM time-averaging diagnostic errors. Also contains
877     a double-gyre experiment setup as well as the baseline
878     4 degree global template. The double gyre template is
879     organised to allow it to be applied automatically to
880     the baseline configuration.
881    
882    branch-point-rdot
883     A few tidy-ups have been made bt the real point of this
884     check-point (excuse the pun) is to allow a branch to be
885     made for the purposes of adding the rDot alterations.
886     I don't want to commit the rDot to the main-trunk until
887     we've actually tested it...
888    
889    checkpoint12
890     Tidy up and added generic genmake script (formerly
891     configure script).
892     Released to testers.
893    
894    checkpoint11
895     Re-arranged initialise() and introduced ini_vertical_grid()
896     and ini_masks_etc().
897    
898    checkpoint10
899     Introduced the configure script.
900     Separated out the diags package.
901     Added template for writing time-averages of tile/intermediate quantities.
902     Updated SIZE.h in exp2 and made the data big-endian.
903    
904    checkpoint9
905     MPI fix. Filename changes (meta/data). salbin*y stuff.
906     General tidy-up.
907     SST.bin SSS.bin added to verification/exp2
908    
909    checkpoint8
910     Inludes time-dependant forcing and time-averaging.
911     Works at 4x4 and 2.8125x2.8125 global
912    
913    checkpoint7-4degree-ref
914     Branch from checkpoint7. Released for application to
915     global modeling and general modeling - process studies, regional
916     model etc..
917     Configured for verification/exp2 - 4 degree global, two process.
918    
919    checkpoint7
920     Created by cnh
921     Simple 4 degree global simulation
922     configuration.
923     Includes climatological wind,
924     hydrography, bathymetry etc
925     Does not include Heat Flux and E-P
926    
927    checkpoint6
928     Created by cnh
929     merged checkpoint5 with CD and
930     spherical polar code.
931     Still some problems with GM Redi
932     abd full topography.
933    
934    checkpoint5
935     Created by AJA
936     contains updates to GM Redi
937     and reordered timestepping loop
938     for Implicit Diffusion.
939    
940  checkpoint4  checkpoint4
941   Created by cnh   Created by cnh
942   Contains memory saving macros ( _rdxc etc..) for when   Contains memory saving macros ( _rdxc etc..) for when

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