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revision 1.2 by cnh, Sat May 30 02:19:49 1998 UTC revision 1.129 by jmc, Sat Feb 8 03:45:30 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint48d_pre
7    o in preparation for r*:
8      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
9      pass the 2 comp. of the grad. as arguments to momentum S/R.
10      but for the moment, only used if it does not change the results.
11    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
12    
13    checkpoint48c_post
14    Modifications in treatment of initial flux forcing controls
15    to avoid extra storing of flux fields.
16    
17    checkpoint48c_pre
18    o Added tidal_basin_2d experiment (currently 1D!)
19    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
20    
21    checkpoint48b_post
22    o r* coordinate added in #ifdef NONLIN_FRSURF block.
23     (modification to pressure gradient not yet implemented)
24    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
25      (for U & V) that are used for vertical advection of momentum.
26    
27    checkpoint48a_post
28    o In preparation for r*, use temp. array to compute vertical transport
29       in flux-form momentum pkg. => change results of few test-exp.
30      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
31                        lab_sea, natl_box & plume_on_slope
32    
33    checkpoint48
34    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
35    
36    checkpoint47j_post
37    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
38    o moved adexch from forward_step to addummy_in_stepping
39    o added exch in ctrl_map_...
40    o aveFreq.=0. at end of cost_final to avoid overwrite in
41      reverse checkpointing loop
42    o Yet more changes in gmredi:
43      * adgmredi_calc_tensor
44        avoiding all recomputation of gmredi_slope_limit
45      * adgmredi_x/y/rtransport
46        added flag for excessive storing to avoid recomp. of
47        u/v/rtans, dTdx/y/z
48        -> this is not really necessary and very memory-consuming
49      * adgmredi_slope_psi:
50        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
51      * gmredi_slope_limit
52        re-activated full calculation of taperfct for case 'ac02'
53    o updating verification/ adjoints of carbon, global_ocean.90x40x15
54    
55    checkpoint47i_post
56    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
57    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
58      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
59    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
60    o gmredi: fix few bugs.
61    
62    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
63    This will be a good checkpoint to plug into the ecco-branch.
64    o few modif.'s to get latest version adjointed
65      (mainly kick out code in ini_linear_phisurf)
66    o modif's to run adjoint with exactConserv
67    o case GM_BOLUS_ADVEC should be cleaned
68      S/R gmredi_slope_psi should be cleaned
69    o verification/carbon now has exactConserv=.TRUE.
70    
71    checkpoint47g_post
72    o time-average AIM output: becomes independent from statvars time-average
73      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
74    o After TAF bug fix:
75      Tested adjoint of gmredi package.
76      Tests were done with checkpoint47 rather than with latest
77      checkpoint47f_post since the latter is broken for the adjoint
78      verification/carbon/ contains both ADM and TLM gradient checks.
79    Here they are, before they get changed/lost/stolen.
80    Mostly modif.'s to fix numerical sensitivities.
81    Gradient checks OK for
82    - GM_taper_scheme:
83      * clipping
84      * ac02
85      * linear
86      * glw91
87      * dm95
88      * ldd97
89    - GMREDI_OPTIONS:
90      * GM_VISBECK_VARIABLE_K
91      * GM_NON_UNITY_DIAGONAL
92      * GM_EXTRA_DIAGONAL
93      * GM_BOLUS_ADVEC
94    in conjunction with data.gmredi parameters to be checked in
95    in a few minutes under verification/carbon/code/
96    
97    checkpoint47f_post
98    Merging from release1_p10:
99    o modifications for using pkg/exf with pkg/seaice
100      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
101        and SEAICE_EXTERNAL_FLUXES
102      - pkg/exf CPP options EXF_READ_EVAP and
103        EXF_NO_BULK_COMPUTATIONS
104      - usage examples are Experiments 8 and 9 in
105        verification/lab_sea/README
106      - verification/lab_sea default experiment now uses
107        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
108    
109    checkpoint47e_post
110    o created a tag prior to creating a branch
111    
112    checkpoint47d_post
113    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
114      at the bottom boundary had an erroneous half slip boundary condition
115    o added bottom drag and no slip boundary condition capabilities to
116      oceanic pressure coordinates code
117    o added new verification experiment global_ocean_pressure, this experiment is
118      also described in the tutorial section of the manual
119    checkpoint47d_pre
120    
121    checkpoint47c_post
122    o Added a verification experiment for a global cubed-sphere ocean run
123      -  verification/global_ocean.cubed32x32x30
124      -  uses pkg/therm_seaice and pkg/bulk_forcing
125    
126    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
127    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
128      when using P-coordinate; only implemented for atmospheric config.
129    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
130      NOTES: requires option NONLIN_FRSURF to be "#define".
131    o update advect_xz/results/output.txt (left from checkpoint44g_post)
132    
133    checkpoint47b_post
134    Merging from release1_p9:
135    o pkg/seaice
136      - removed GOTO's and added taf directives
137      - double precision constants to reduce the g77 (Linux)
138        to F77 (SGI) differences reported in release1_p8
139    o tools/genmake
140      - added SGI options
141    o verification/testscript
142      - updated to that of checkpoint47a_post
143    o verification/global_ocean.90x40x15/input/eedata
144      - modified for SGI f77 compatibility
145    o verification/lab_sea
146      - added description of sea-ice model
147      - added missing matlab routines
148      - added test of thermodynamics parallelization
149    
150    checkpoint47a_post
151    o new pkg: aim_v23
152     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
153       for now, keep the same surface forcing as before.
154     - Part-Cell implemented into AIM; check that Heat & Water are conserved
155     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
156     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
157    o add diagnostic of surface correction term in monitor output
158    
159    o bulk_force and therm_seaice
160    - Two packages:  bulk_force (Bulk forcing)
161      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
162    - Earlier integration from Stephaine Dutkiewicz
163      and Patrick Heimbach.
164    - Two ifdef statements for compile time,
165       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
166    
167    checkpoint47
168    differentiable version of checkpoint46n_post
169    o bug fix in quasihydrostaticterms
170    o * "clean" adjoint code (in terms of extensive recomputations)
171        can now be obtained for all GMREDI options (i.e. for
172        - GM_VISBECK_VARIABLE_K
173        - GM_NON_UNITY_DIAGONAL
174        - GM_EXTRA_DIAGONAL
175        - GM_BOLUS_ADVEC )
176      * However, wrong gradient check problem remains unsolved.
177      * New CPP options have been introduced for different
178        tapering schemes
179    o external_fields_load now part of differentiation list
180    o pressure needs multiple storing;
181      would be nice to have store_pressure at beginning or
182      end of forward_step, e.g. by having phiHyd global (5-dim.)
183      (NB: pressure is needed for certain cases in find_rho,
184      which is also invoked through convective_adjustment).
185    o recomputations in find_rho for cases
186     'JMD95'/'UNESCO' or 'MDJWF' are OK.
187    o #define ATMOSPHERIC_LOADING should be differentiable
188    o ini_forcing shifted to begining of initialise_varia
189    o Incorporating QNVS line search routines into MITgcm
190      (this is separate code, and therefore not under pkg)
191      lsopt/, optim/
192    o Updated verification/carbon/
193      - #define GM_VISBECK_VARIABLE_K
194      - GM_taper_scheme    = 'ldd97'    
195    
196    checkpoint46n_post
197    Merging from release1_p8:
198    o verification/natl_box:
199      updating new external_fields_load routine
200    o New package: pkg/seaice
201      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
202      The sea-ice code is based on Hibler (1979-1980).
203      Two sea-ice dynamic solvers, ADI and LSR, are included.
204      In addition to computing prognostic sea-ice variables and diagnosing
205      the forcing/external data fields that drive the ocean model,
206      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
207      The implied surface heat flux is then stored in variable
208      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
209      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
210      non-local transport term.  Because this call precedes model
211      thermodynamics, temperature under sea-ice may not be "exactly" at
212      the freezing point by the time theta is dumped or time-averaged.
213      N.B.: fairly large differences in accuracy occur across
214            different platforms/compilers; comparison between
215            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
216            generated output gives:
217       T           S           U           V
218      C D M    c        m  s        m  s        m  s        m  s
219      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
220      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
221      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
222    
223      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
224    o GAD:
225      - generated new common blocks to account for call of
226        same gad routines with differing traceridentities
227        (needed to modify tracerIdentity indices in GAD.h)
228      - generated separate common blocks for case useCubedSphereExchange
229        (Department of Futurology)
230      - parameter lists to gmredi_?transport: added tracerIdentity
231      - added new key indices to tamc.h
232    o external_fields_load:
233      - added this routine to TAF list
234      - needed to make some common blocks global and additional storing
235        along the same lines as exf package (checkpoint_lev?_directives.h)
236    o exf:
237      updated external forcing package
238      - bug fixes carried over from ecco-branch
239        (missing OBCS_OPTIONS.h in two routines)
240      - enable easy to use "no forcing".
241      - added exf I/O for atmospheric loading
242      - added exf I/O for runoff data
243      - transfered scaling between exf <-> MITgcm to exf namelist
244    o Adding new verification experiment global_with_exf.
245      This verification experiment is almost identical to the
246      global_ocean.90x40x15 experiment, except that it uses
247      the exf (and cal) package instead of the
248      external_fields_load routine (cf README file).
249    
250    checkpoint46m_post
251    o modified testscript to return -- when there are no lines of "%MON" output
252    o added new flag "quasiHydrostatic" for QH mode
253      and new routine quasihydrostaticterms()
254    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
255      New routine: mom_u_coriolis_nh()
256    o fixed sign of non-hydrostatic metric terms in u and v equations.
257      Depend on correct sign of gravitySign.
258    o added work.pc* to .cvsignore in aim directories using ifc
259    o introduced flag for controllin non-hydrostatic metric terms
260    o removed gravitySign from PARM04
261    o switched to g77/ifc from pgf77 in aim experiments
262    
263    checkpoint46l_post
264    o made convective adjustment work with pressure coordinates:
265     - changed the direction of k-loop in convective_adjustment.F for the
266       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
267     - adjusted the reference pressure k-index in convective_adjustment.F
268     - adjusted the convection condition in convect.F (in analogy to
269       calc_ivdc.F)
270     - convective_adjustment no longer computes anything on the halos
271     - removed the warnings about negative salinity from find_rho.F and
272       find_alpha.F; instead the new routine look_for_neg_salinity, called
273       at the beginning of find_rho, find_alpha, and find_beta, does a
274       check of the entire slice, if CPP-option
275       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
276    checkpoint46l_pre
277    
278    checkpoint46k_post
279    o fixed the verification/global_ocean.90x40x15 experiment:
280     - new bathymetry (the world according to A., JMC, and M.)
281     - new initial fields and forcing fields (*.bin files)
282     - new POLY3.COEFFS (for the next release one should switch to a full
283       equation of state: JMD95P or MDJWF)
284     - fixed several errors and redundancies in the data file
285     - experiment uses looped cells
286     - added matlab directory with diagnostic scripts for plotting of output
287    
288    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
289     - read AIM physics parameters from a file (data.aimphys)
290     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
291    
292    checkpoint46j_post
293    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
294    o move wVel computation at the end of the time step, in S/R integr_continuity
295    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
296    o update timeave pkg for wVel diagnostic.
297    checkpoint46j_pre
298    
299    checkpoint46i_post
300    o Clean up AIM package (and keep the results unchanged):
301      include CPP_OPTION and use IMPLICT NONE in all routines ;
302      declare all the variables _RL ; use _d 0 for all numerical constants.
303      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
304    
305    checkpoint46h_post
306    o cleaned up the use of rhoNil and rhoConst.
307      - rhoNil should only appear in the LINEAR equation of state, everywhere
308        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
309        and the dynamical equations are all divided by rhoConst
310    o introduced new parameter rhoConstFresh, a reference density of fresh
311      water, to remove the fresh water flux's dependence on rhoNil. The default
312      value is 999.8 kg/m^3
313    o cleanup up external_forcing.F and external_forcing_surf.F
314      - can now be used by both OCEANIC and OCEANICP
315    checkpoint46h_pre
316    
317     Added code to convert surface volume flux (fresh water) into
318     a mass flux when using P coordinates in the ocean (OCEANICP).
319     Note: It assumes you have set rho0=rhoConst=density of fresh water.
320    
321    checkpoint46g_post
322    o Include a new diagnostic variable phiHydLow for the ocean model
323      - in z-coordinates, it is the bottom pressure anomaly
324      - in p-coordinates, it is the sea surface elevation
325      - in both cases, these variable have global drift, reflecting the mass
326        drift in z-coordinates and the volume drift in p-coordinates
327      - included time averaging for phiHydLow, be aware of the drift!
328    o depth-dependent computation of Bo_surf for pressure coordinates
329      in the ocean (buoyancyRelation='OCEANICP')
330      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
331        Theta, Salinity, and Pressure in the parameter list. This routine is
332        presently contained in find_rho.F. This routine does not give the
333        correct density for 'POLY3', which would be a z-dependent reference
334        density.
335    o cleaned up find_rho
336      - removed obsolete 'eqn' from the parameter list.
337    o added two new verification experiments: gop and goz
338      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
339    checkpoint46g_pre
340    
341    checkpoint46f_post
342    o Enable tangent linear (forward mode) gradient checks:
343      - extended active file handling to g_... files
344      - added TANGENT_SIMULATION to theSimulationMode
345      - extended grdchk package accordingly
346    o added tangent linear setup in verification/carbon/code_ftl
347    o added adjoint setup in verification/front_relax/code_ad
348    
349    checkpoint46e_post
350    o Added new equation of state -> MDJWF
351      - EOS of McDougall et al., 2002, JAOT, submitted
352      - caveat: the equation of state is only valid for a smaller (more
353        realistic?) range of values than JMD95P/Z and UNESCO
354      - added masks to the calculation of pressure in store_pressure
355      - added more check values for density in check_eos (ini_eos.F), some of
356        the old check values are out of the range of the MDJWF-eos, so don't
357        expect perfect matches for those
358    checkpoint46e_pre
359    
360    checkpoint46d_post
361    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
362      'OCEANICP', also initialised field pressure correctly in ini_eos in the
363      case of pressure coordinates. eosType='JMD95Z' in
364      combination with buoyancyRelation='OCEANICP' now causes an error.
365    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
366      in find_alpha/beta.
367    checkpoint46d_pre
368    
369    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
370      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
371    
372    checkpoint46c_post
373    o Changes necessary for ocean in p-coordinates
374     -  Added new buoyancy relation = 'OCEANICP'
375     -  Added new parameters = gravitySign (this used to be contained inside
376        the factor dRdZ which I added when we first switched to R coordinates).
377     X GM/Redi is not compatible (yet)
378     X bottom drag and no-slip need to be debugged.
379    checkpoint46c_pre
380    
381    checkpoint46b_post
382    o Added new equation of state -> JMD95Z and JMD95P
383      - EOS of Jackett and McDougall, 1995, JAOT
384      - moved all EOS parameters into EOS.h
385      - new routines ini_eos.F, store_pressure.F
386    o Added UNESCO EOS, but not recommended because it requires
387      in-situ temperature (see JMD95)
388    o Modified formatting for knudsen2.f in utils/knudsen2 and added
389      unesco.f to be used with POLY3
390    checkpoint46b_pre
391    
392    checkpoint46a_post
393    o Added (atmospheric) pressure loading
394      - new field in FFIELDS.h, etc...
395      - new cpp flag ATMOSPHERIC_LOADING
396    o Changed hFacC to _hFacC in calc_phi_hyd.F
397    o Added SHORTWAVE_HEATING to some files for consistency
398    checkpoint46a_pre
399    
400    checkpoint46
401    further merges from release1_p5
402    o new ctrl package
403      - adopted from ECCO environment to enable optimization
404      - added Eliassen Palm fluxes to controls
405    o added Eliassen Palm flux controls to gradient check package
406    o cost package
407      - Compatible with new ctrl package
408      - added Eliassen Palm cost hooks
409      - modif's of existing cost functions
410    o Adjoint-related bug fixes in kpp:
411      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
412      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
413    o autodiff package
414      - flow directives:
415        + new for S/R do_the_model_io
416        + enhanced for S/R checkpoint
417        + new gmredi.flow
418      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
419        disable adcommon.h/g_common.h by default.
420      - fixed problem for adjoint of global_max
421    o modified verification/carbon/
422    o New setup for adjoint of global_ocean
423    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
424    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
425    o incorporated hooks for sponge layer code (external_forcing.F)
426    
427    checkpoint45d_post
428    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
429    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
430      (affects plume_on_slope "cg2d" output)
431    o add new parameter deltaTfreesurf for free-surface time stepping
432    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
433    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
434    o change phiMin in exp1 (to agree with documentation)
435    o add new flags:
436     - T,S forcing inside/outside Adams-Bashforth
437     - turn off temp,salt advection and/or forcing
438     - for each tracer, define internal flag for multiDimAdvection & A-B
439    o monitor: change definition of KE to check conservation of Energy
440    
441    checkpoint45c_post
442    o Removed f90 comments ("!")
443    o Modified initialisations to enable exf package for MITgcm
444      (without invoking ECCO_PACKAGE).
445    o modifications to gradient check package (Martin Losch)
446      - enable centered differences
447      - modified format of standard output
448    
449    checkpoint45b_post
450    o cleaned exchange calls in cg2d
451    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
452    o included CPP option SINGLE_LAYER_MODE in thermodynamics
453      to configure barotropic setup (Martin Losch)
454    o moved some initialisations within bi,bj loop in dynamics
455      (TAF flow dependency)
456    o in initialise_varia, moved call packages_init_variables
457      before convective_adjustment_init
458      (corresponding adjustment of TAF tape initialisation).
459    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
460    
461    checkpoint45a_post
462    o compute Rho over the whole domain (extend iMin,jMin indices)
463    o specific exchange for X-slice domain (case Ny=1)
464    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
465    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
466    
467    checkpoint44h_post = checkpoint45
468    o Fix to restore differentiability:
469      place at which packages_init_variables is called in
470      initialise_varia is crucial for reverse control flow.
471    o modifications in GMRedi to enable stable adjoint
472      (corresponding modif's in thermodynamics, dynamics)
473    o added missing hook for sponge layer code in external_forcing
474    o modified test cost functions
475    o storing in gad_advection (plus removal of write(0,*)!
476    o missing headers TR1.h added in convective_adjustment routines
477    o errorMessageUnit set non-equal zero in eeboot
478      (conflict on some platforms, e.g. IBM SP3)
479    o modified carbon verif.
480    
481    checkpoint44h_pre
482    o vertical grid option: allow to put the Interface at the middle between
483      2 cell-centers ; replace delZ in pkg/kpp by drF.
484    o GM Advective form: Tracers are advected using the residual transport (=
485      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
486    
487    checkpoint44g_post
488    o fix surface correction term in multiDimAdvection (affects plume_on_slope
489      results) ; ifdef missing in thermodynamics.F
490    
491    checkpoint44f_pre,checkpoint44f_post
492    o added PTRACERS package
493      This allows an arbitrary number of passive tracers to be integrated
494      forward simultaneously with the dynamicaly model.
495      + Implemented so far:
496        - basic forward algorithm (time-stepping, advection, diffusion, convection)
497        - I/O and checkpointing
498        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
499      + Not implemented so far:
500        - KPP
501        - OBCS
502      + No specific example supplied (yet) but global_ocean.90x40x15 has the
503        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
504        line in data.pkg.
505      + This package is disabled by default since it increases storage.
506    
507    
508    o testscript: added -cleanup option
509    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
510                 b) enable to filter 2D fields.
511    
512    checkpoint44e_pre,post
513    o re-wrote convective adjustment to use pre-calculated weights
514      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
515      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
516      Original calls to convect() still in place.
517    
518    chkpt44d_pre,post
519    o added missing EXCLUDE_MONITOR flags
520    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
521      (incompatible typ in MIN/MAX expressions caused problems
522      on IBM SP3)
523    o in genmake added variable MAKEDEPEND
524      plus resetting for case SunOS
525    o added timer_stats.c routine for IBM SP3
526    o removed variables in dynamics
527    !!! I forgot to create tag chkpt44d_pre !!!
528    !!! But chkpt44d_pre = chkpt44c_post    !!!
529    
530    o real fresh water flux implemented with non-linear free-surface.
531    
532    chkpt44c_pre,post
533    o few fix (mask in shap_s2, EmPmR in external_field_load,
534      USE_NATURAL_BCS in solve_for_P);
535    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
536    
537    checkpoint44b_pre/_post
538    o merge of relevant stuff from the ecco-branch:
539      - genmake: removed $S64 overwrite for case SunOS
540      - pkg/exf: update and corrections for field swapping and obcs
541      - pkg/ecco: parameter lists for the_model_main, the_main_loop
542                  harmonized between ECCO and MITgcm
543      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
544                      updated checkpointing_lev... lists for obcs
545      - model/src: minor changes in forward_step, plot_field
546                   added directive for divided adjoint in the_main_loop
547      - pkg/mdsio: added mdsio_gl_slice
548    
549    o check parameters & config (chkpt44a_pre,post)
550    o OBC and NonLin_FrSurf.
551    
552    checkpoint44
553    o fix bug in mom_vi_del2uv
554    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
555    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
556    o update AIM experiments (NCEP input files)
557    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
558    o added some stuff for AD
559    
560    checkpoint43
561    o added two new advection tests
562    o added global 4x4 degree ocean test
563    o added test of H&S94 with free surface on cube
564    o some final mods for gradient check, adjoint,...
565    
566    checkpoint42
567      Fixed AD-related problems:
568    o Store directives up-to-date with re-arranged Adams-Bashforth
569      (mainly thermodynamics.F)
570    o New store directives for multi-dim. advection schemes
571      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
572      * new common block and key passkey
573      (mainly gad_advection.F)
574    o Modified store directives for split of dynamics/thermodynamics
575      for the case ALLOW_KPP
576    o Cleaned argument list for timestep_tracer.F
577    
578    checkpoint41
579    o re-formatted/added comments in prologues of key subroutines
580      to work with protex
581    
582    checkpoint40
583    o moved calc_gs, calc_gt and calc_tr1 back to model/src
584    o added FLT (floats) package from Arne along with demo. experiment
585    o re-arranged Adams-Bashforth scheme for tracers to allow easier
586      implementation of forward-in-time forcing terms
587    o more mods for non-linear free-surface including new variable
588    o modified multi-dim method to work on cube
589    o bug fix in KPP (from DM)
590    
591    checkpoint40pre9
592    o added DST advection schemes
593    o fix MPI bug on SGI's
594    o modifications for non-linear free-surface
595    o fixed conditionals for fixed flow/passive tracer only mode
596    o added tension/strain form of stress tensor
597    o changes to commenting of arguments for TAF/TAMC
598    o added/updated many matlab scripts
599    o added multi-dimensional advection method for tracers
600      
601    checkpoint40pre8
602    o new package rw/
603      Added method for dumping intermediate local arrays:
604      mdsio_writetile - same as mdsio_writefield except works from inside
605                        bi,bj loop
606      mdsio_writelocal - same as mdsio_writetile except works for local
607                         arrays
608      write_local_r? - higher-level wrapper for mdsio_writelocal
609      Controlled by diagFreq. Defaults to zero (ie. no dumps)
610      Example given at end of mom_vecinv.F that dumps some local arrays.
611    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
612      control flux-form versus vector invariant code.
613      Switch is runtime flag vectorInvariantMomentum (defaults to false)
614      or genmake -DISABLE ...
615    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
616      (additional storing is now needed for case vecinv;
617      currently nothing implemented to switch this storing off
618      in case fluxform is used since no CPP flag available).
619    
620    checkpoint40pre7
621    o bug fix in dynamics.F
622      calc_viscosity called before k=1,Nr loop.
623    o added some #ifdef's ALLOW_PASSIVE_TRACER
624    o cleaned initialisations in ctrl_map_ini
625      related to TAF
626    
627    checkpoint40pre6
628    o split dynamics into thermodynamics & dynamics
629    o corresponding split of calc_diffusivity into
630      calc_diffusivity, calc_viscosity
631      (kpp_calc_diff, kpp_calc_visc).
632    o Added diffkr, kapgm to control variables
633    o bug fix in gmredi_slope_limit for ldd97
634    
635    checkpoint40pre5
636    o proper initialization of Adams-Bashforth time stepping
637      + uses forward step for very first step of model (iter=0)
638    o re-generated *all* output since almost all output is modified by this
639      change (sorry but we've been putting this one off for about 2 years)
640      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
641        *not* regenerated since they are already out of date and I don't
642        want to create the impression that they are suddenly working.
643    o removed KAP stuff for DEC's
644    o modified/added many .cvsignore files in */code and */input
645    o added new expt "solid-body.cs-32x32x1"
646      + this uses an alternative form of ini_curvilinear_grid.F which
647        is not necessarily any better than the current one...
648    
649    checkpoint40pre4
650    o added re-initialisations of utrans,vtrans,rtrans in
651      calc_common_factors which are crucial for TAF.
652    o extended iMin,jMin range for calc_common_factors,
653      calc_diffusivity
654    o added option ALLOW_PASSIVE_TRACER
655    o a few minor updates and fixes
656    
657    checkpoint40pre3
658    o created calc_gtr1.F for gad package
659    o split the_main_loop and re-introduced forward_step
660    o some recomputations of nIter0 for TAMC
661    
662    checkpoint40pre2
663    o Updated to latest branch of AJA, JMC
664    o Added gradient check package
665    o Added routines for passive tracer handling
666    o Added carbon sequestration sensitivity experiment
667    
668    checkpoint39
669     o Modifications and fixes to support TAMC
670       (mainly missing or wrong directives)
671     o Corrected common blocks when fooling TAMC to produce adjoint I/O
672       in addummy_in_stepping
673     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
674     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
675     o Included following packages:
676       cal: calendar
677       exf: external forcing
678       ecco: essential routines to control use of cal, exf
679             (NB: this is not the full ECCO environment)
680     o disabled some packages by default in genmake
681    
682    checkpoint38
683     o see notes_c37_adj.txt
684     o corrected wrong layer index in external_forcing_t
685     o replaced the_main_loop/forward_step by the_main_loop
686     o removed forceoutput from write_state
687       (replaced criteria for initial/final state)
688     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
689    
690    checkpoint37
691     o mdsio.F routine split and packaged in pkg/mdsio
692       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
693        used unless genmake -disable=mdsio)
694     o allow a more precise surface-geopotential gradient for the atmosphere
695       taking into account the change in space of Alpha (=1/rho) at the surface.
696     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
697       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
698     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
699       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
700       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
701     o Time-Average diagnostics defined as a pseudo package "timeave".
702     o pickup files : old pickup (before c35) did not work with new code (c35
703       and after) unless activating 2 commented lines in initialise-varia.
704     o Non-Hydrostatic pickup file Pb fixed.
705     o bug with Rigid-lid version (since c35) fixed.  
706    
707    checkpoint36
708     o implement Crank-Nickelson barotropic time-stepping
709     o recover Time-Average diagnostics
710     o fix Pb in checkpoint (PR#19)
711     o AIM become a standard package ; clean unused CPP_kees
712    
713    checkpoint35
714     o subtantial rewrite of dynamics.f
715     o allows staggered time-stepping
716     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
717     o added bottom drag (linear + quadratic)
718    
719    checkpoint34
720     o Modified exchange routines for correct reverse simulation.
721     o Added verification output to comply with bug fix in impldiff.F
722       as of c33 (exp2, natl_box).
723     o Corrected store directives in dynamics.F
724     o Corrected array boundaries in impldiff.F
725     o Corrected array dimensions in gmredi.
726       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
727     o Added routine GLOBAL_SUM_INT to global_sum.F
728     o Added mdsio_gl.F for ECCO purposes.
729    
730    checkpoint33
731     o Fixed bug in lower BC in impldiff.F
732     o Fixed confusion about units of forcing arrays in FFIELDS.h
733       namely Fu,Fv,Qnet,Qsw,EmPmR:
734       - Removed verification/natl_box/code/external_fields_scale.F
735         (did not differ from that in model/src)
736       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
737         (see FFIELDS.h for description)
738       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
739         kpp_calc.F and kpp_transport_t.F
740       - Removed model/src/external_fields_scale.F and calls to it
741       - verification/natl_box uses flux data with "atmospheric" sign so
742         a special version of external_fields_load.F is used to
743         change the data as it's read in. This way, the arrays
744         have the right units and signs at all times tha a user could
745         possibly use them.
746     o Corrected genmake to delete a temporary file during configuration
747    
748    checkpoint32
749     o Scaling of forcing fields moved from external_forcing.F to
750       external_fields_scale.F, called directly after loading fields.
751     o Surface relaxation terms added to surface tendency fields in
752       extra subroutine.
753     o impldiff.F changed to avoid storing by TAMC of huge intermediate
754       fields.
755     o Changes in GMRedi to comply with packaging structure.
756     o Modifications and bug fixes in KPP package.
757     o Verification experiment for KPP added (verification/nat_box/)
758    
759    checkpoint31
760     o Packages interface brought in line with defined standard
761       -> new routines packages_...F
762       -> changes in initialise_fixed.F, initialise_varia.F
763       -> enables initialisation interface for ECCO package
764     o Rescaling of external forcing fields immediately after read
765       (removed from external_forcing.F)
766       -> new: surface_fields_scale.F
767       -> affects ini_foorcing.F, external_fields_load.F
768     o Computation of surface tendencies before tendency updates.
769       -> new: external_forcing_surf.F
770     o Change of variable names useGMRedi, useKPP, useECCO
771     o Further changes in dynamics.F, impldiff.F for TAMC
772     o Tested for experiments 0, 2, 4.
773       - not yet tested for GMRedi.
774       - not yet tested for KPP.
775    
776    checkpoint30
777     o Updates for OBCs
778     o New experiment for test OBCs (internal_wave)
779     o New output.txt in verification/exp4/results/
780     o Updates for KPP: calculation of viscosity corrected, new variables
781       kpp_dumpFreq and kpp_taveFreq
782     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
783       and entry for T90 in genmake
784    
785    checkpoint29
786     o packaged KPP and GM/Redi
787    
788    checkpoint28
789     o Corrected initialization of hFacMin for difference vertical coordinates
790     o Modified calculation of partial cell thickness to more robust algorithm
791     o config_summary.F: replaced write_1D_... by write_0D_...
792       read_write.F: added subroutines write_0D_...
793     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
794       included some initialisations required for TAMC.
795     o routine calc_isoslopes: modified sqrt computation to make it
796       differentiable for zero argument.
797     o routines dynamics, impldiff:
798       included store directives and tape key computations required for TAMC.
799     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
800    
801    checkpoint27
802     o fixed calc_isoslopes() to so that cancellation of terms in tensor
803       formulation works properly with variable resolution.
804     o restructured the calling tree between the_model_main() and dynamics()
805     o split initialise() into initialise_fixed() and initialise_varia()
806     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
807       in new routine ini_psurf()
808    
809    checkpoint26
810     o moved some #ifdef in optional routines to encompass everything
811       except the argument declarations. This was using up some memory.
812     o fixed macros like _ADT to work with both versions of Linux cpp
813     o cleaned up some unused and uninitialized variables
814       (helps when debugging with strict compile options)
815     o split up CPP_EEOPTIONS.h into options and macros
816       (macros are now in eesupp/inc/CPP_EEMACROS.h)
817     o patch for 2 processor JAM mode
818    
819    checkpoint25
820     o updates for OBCs and NH
821     o dramatically reduced memory usage
822     o added "JAM" routines for use on Artic network
823     o parameterization of convection by implicit vertical diffusion
824     o added a diagnostic of convective index
825     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
826       (this is was partly for OBCs and NH but also in anticipation of
827        an explicit free-surface option)
828     o initial state input files for U and V
829    
830    checkpoint24
831     o Removed some spurious "REAL"s
832     o Updated KPP to latest version from JPL
833     o Added a COS(latitude) in horizontal viscosity
834    
835    checkpoint23
836     o Added del^4 diffusion for salt and temperature
837     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
838    
839    checkpoint22
840     o Made many small changes: implicit none, format(i5), etc...
841     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
842    
843    checkpoint21
844     o Introduced new I/O package that supports direct-access records (mdsio.F)
845     o Split-up mid-level I/O routines
846     o Updated input data for experiments 0,1,2,4 and 5
847     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
848    
849    checkpoint20
850     o Tidied up open-boundaries some more
851     o Added non-hydrostatic code
852     o Fixed some input data
853     o Modified MPI start-up to work in "coupled" context.
854    
855    checkpoint19
856     o Tidied up directory structure for verification experiments.
857     o Added new code for open boundaries.
858     o Corrected advective terms near boundaries.
859     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
860     o Implemented free-slip/no-slip BCs and del^4 dissipation.
861     o Split default parameters out of ini_parms.F into set_defaults.F.
862    
863    checkpoint18
864     o Further changes for optional code generation with
865       CPP - ugh!
866    
867    checkpoint17
868     o Beginning to incorporating modularity
869       for supporting atmos. and ocean configs.
870     o Small changes for TAMC complinace
871     o New ultra simple test case. Barotropic box
872       configuration "exp0".
873    
874    checkpoint16
875     o Minor changes to exchange routines to support
876       accumulation in reverse mode. Adjoint of an
877       assignment is an addition.
878     o Changes to support compilation by TAMC (LR(1)
879       syntax) and by g77 under Linux ( 72 character
880       limit ).
881    
882    checkpoint15
883     Rewrote exchange routines to allow
884     o General tile <-> tile connectivity.
885     o TAMC reverse mode flag ( is this really needed? )
886     o Variable width overlap and exchange region widths.
887     o Hooks for sharing data via DMA, Arctic, Memory Channel,
888       shmput/shmget, VIA, SYSV shmem and every other cool
889       communication method.
890    
891    checkpoint14
892     Consistent isomorphism chages made. These allow dynamical core
893     to support both pressure and meters as a vertical coordinate.
894    
895    checkpoint13
896     Release which corrects global_max problem and a couple
897     of KGM time-averaging diagnostic errors. Also contains
898     a double-gyre experiment setup as well as the baseline
899     4 degree global template. The double gyre template is
900     organised to allow it to be applied automatically to
901     the baseline configuration.
902    
903    branch-point-rdot
904     A few tidy-ups have been made bt the real point of this
905     check-point (excuse the pun) is to allow a branch to be
906     made for the purposes of adding the rDot alterations.
907     I don't want to commit the rDot to the main-trunk until
908     we've actually tested it...
909    
910    checkpoint12
911     Tidy up and added generic genmake script (formerly
912     configure script).
913     Released to testers.
914    
915    checkpoint11
916     Re-arranged initialise() and introduced ini_vertical_grid()
917     and ini_masks_etc().
918    
919    checkpoint10
920     Introduced the configure script.
921     Separated out the diags package.
922     Added template for writing time-averages of tile/intermediate quantities.
923     Updated SIZE.h in exp2 and made the data big-endian.
924    
925    checkpoint9
926     MPI fix. Filename changes (meta/data). salbin*y stuff.
927     General tidy-up.
928     SST.bin SSS.bin added to verification/exp2
929    
930    checkpoint8
931     Inludes time-dependant forcing and time-averaging.
932     Works at 4x4 and 2.8125x2.8125 global
933    
934    checkpoint7-4degree-ref
935     Branch from checkpoint7. Released for application to
936     global modeling and general modeling - process studies, regional
937     model etc..
938     Configured for verification/exp2 - 4 degree global, two process.
939    
940    checkpoint7
941     Created by cnh
942     Simple 4 degree global simulation
943     configuration.
944     Includes climatological wind,
945     hydrography, bathymetry etc
946     Does not include Heat Flux and E-P
947    
948    checkpoint6
949     Created by cnh
950     merged checkpoint5 with CD and
951     spherical polar code.
952     Still some problems with GM Redi
953     abd full topography.
954    
955    checkpoint5
956     Created by AJA
957     contains updates to GM Redi
958     and reordered timestepping loop
959     for Implicit Diffusion.
960    
961  checkpoint4  checkpoint4
962   Created by cnh   Created by cnh
963   Contains memory saving macros ( _rdxc etc..) for when   Contains memory saving macros ( _rdxc etc..) for when

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