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revision 1.3 by cnh, Mon Jun 8 19:25:25 1998 UTC revision 1.75 by jmc, Thu Jun 20 23:52:03 2002 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
6    o change phiMin in exp1 (to agree with documentation)
7    o add new flags:
8     - T,S forcing inside/outside Adams-Bashforth
9     - turn off temp,salt advection and/or forcing
10     - for each tracer, define internal flag for multiDimAdvection & A-B
11    o monitor: change definition of KE to check conservation of Energy
12    
13    checkpoint45c_post
14    o Removed f90 comments ("!")
15    o Modified initialisations to enable exf package for MITgcm
16      (without invoking ECCO_PACKAGE).
17    o modifications to gradient check package (Martin Losch)
18      - enable centered differences
19      - modified format of standard output
20    
21    checkpoint45b_post
22    o cleaned exchange calls in cg2d
23    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
24    o included CPP option SINGLE_LAYER_MODE in thermodynamics
25      to configure barotropic setup (Martin Losch)
26    o moved some initialisations within bi,bj loop in dynamics
27      (TAF flow dependency)
28    o in initialise_varia, moved call packages_init_variables
29      before convective_adjustment_init
30      (corresponding adjustment of TAF tape initialisation).
31    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
32    
33    checkpoint45a_post
34    o compute Rho over the whole domain (extend iMin,jMin indices)
35    o specific exchange for X-slice domain (case Ny=1)
36    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
37    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
38    
39    checkpoint44h_post = checkpoint45
40    o Fix to restore differentiability:
41      place at which packages_init_variables is called in
42      initialise_varia is crucial for reverse control flow.
43    o modifications in GMRedi to enable stable adjoint
44      (corresponding modif's in thermodynamics, dynamics)
45    o added missing hook for sponge layer code in external_forcing
46    o modified test cost functions
47    o storing in gad_advection (plus removal of write(0,*)!
48    o missing headers TR1.h added in convective_adjustment routines
49    o errorMessageUnit set non-equal zero in eeboot
50      (conflict on some platforms, e.g. IBM SP3)
51    o modified carbon verif.
52    
53    checkpoint44h_pre
54    o vertical grid option: allow to put the Interface at the middle between
55      2 cell-centers ; replace delZ in pkg/kpp by drF.
56    o GM Advective form: Tracers are advected using the residual transport (=
57      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
58    
59    checkpoint44g_post
60    o fix surface correction term in multiDimAdvection (affects plume_on_slope
61      results) ; ifdef missing in thermodynamics.F
62    
63    checkpoint44f_pre,checkpoint44f_post
64    o added PTRACERS package
65      This allows an arbitrary number of passive tracers to be integrated
66      forward simultaneously with the dynamicaly model.
67      + Implemented so far:
68        - basic forward algorithm (time-stepping, advection, diffusion, convection)
69        - I/O and checkpointing
70        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
71      + Not implemented so far:
72        - KPP
73        - OBCS
74      + No specific example supplied (yet) but global_ocean.90x40x15 has the
75        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
76        line in data.pkg.
77      + This package is disabled by default since it increases storage.
78    
79    
80    o testscript: added -cleanup option
81    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
82                 b) enable to filter 2D fields.
83    
84    checkpoint44e_pre,post
85    o re-wrote convective adjustment to use pre-calculated weights
86      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
87      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
88      Original calls to convect() still in place.
89    
90    chkpt44d_pre,post
91    o added missing EXCLUDE_MONITOR flags
92    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
93      (incompatible typ in MIN/MAX expressions caused problems
94      on IBM SP3)
95    o in genmake added variable MAKEDEPEND
96      plus resetting for case SunOS
97    o added timer_stats.c routine for IBM SP3
98    o removed variables in dynamics
99    !!! I forgot to create tag chkpt44d_pre !!!
100    !!! But chkpt44d_pre = chkpt44c_post    !!!
101    
102    o real fresh water flux implemented with non-linear free-surface.
103    
104    chkpt44c_pre,post
105    o few fix (mask in shap_s2, EmPmR in external_field_load,
106      USE_NATURAL_BCS in solve_for_P);
107    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
108    
109    checkpoint44b_pre/_post
110    o merge of relevant stuff from the ecco-branch:
111      - genmake: removed $S64 overwrite for case SunOS
112      - pkg/exf: update and corrections for field swapping and obcs
113      - pkg/ecco: parameter lists for the_model_main, the_main_loop
114                  harmonized between ECCO and MITgcm
115      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
116                      updated checkpointing_lev... lists for obcs
117      - model/src: minor changes in forward_step, plot_field
118                   added directive for divided adjoint in the_main_loop
119      - pkg/mdsio: added mdsio_gl_slice
120    
121    o check parameters & config (chkpt44a_pre,post)
122    o OBC and NonLin_FrSurf.
123    
124    checkpoint44
125    o fix bug in mom_vi_del2uv
126    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
127    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
128    o update AIM experiments (NCEP input files)
129    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
130    o added some stuff for AD
131    
132    checkpoint43
133    o added two new advection tests
134    o added global 4x4 degree ocean test
135    o added test of H&S94 with free surface on cube
136    o some final mods for gradient check, adjoint,...
137    
138    checkpoint42
139      Fixed AD-related problems:
140    o Store directives up-to-date with re-arranged Adams-Bashforth
141      (mainly thermodynamics.F)
142    o New store directives for multi-dim. advection schemes
143      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
144      * new common block and key passkey
145      (mainly gad_advection.F)
146    o Modified store directives for split of dynamics/thermodynamics
147      for the case ALLOW_KPP
148    o Cleaned argument list for timestep_tracer.F
149    
150    checkpoint41
151    o re-formatted/added comments in prologues of key subroutines
152      to work with protex
153    
154    checkpoint40
155    o moved calc_gs, calc_gt and calc_tr1 back to model/src
156    o added FLT (floats) package from Arne along with demo. experiment
157    o re-arranged Adams-Bashforth scheme for tracers to allow easier
158      implementation of forward-in-time forcing terms
159    o more mods for non-linear free-surface including new variable
160    o modified multi-dim method to work on cube
161    o bug fix in KPP (from DM)
162    
163    checkpoint40pre9
164    o added DST advection schemes
165    o fix MPI bug on SGI's
166    o modifications for non-linear free-surface
167    o fixed conditionals for fixed flow/passive tracer only mode
168    o added tension/strain form of stress tensor
169    o changes to commenting of arguments for TAF/TAMC
170    o added/updated many matlab scripts
171    o added multi-dimensional advection method for tracers
172      
173    checkpoint40pre8
174    o new package rw/
175      Added method for dumping intermediate local arrays:
176      mdsio_writetile - same as mdsio_writefield except works from inside
177                        bi,bj loop
178      mdsio_writelocal - same as mdsio_writetile except works for local
179                         arrays
180      write_local_r? - higher-level wrapper for mdsio_writelocal
181      Controlled by diagFreq. Defaults to zero (ie. no dumps)
182      Example given at end of mom_vecinv.F that dumps some local arrays.
183    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
184      control flux-form versus vector invariant code.
185      Switch is runtime flag vectorInvariantMomentum (defaults to false)
186      or genmake -DISABLE ...
187    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
188      (additional storing is now needed for case vecinv;
189      currently nothing implemented to switch this storing off
190      in case fluxform is used since no CPP flag available).
191    
192    checkpoint40pre7
193    o bug fix in dynamics.F
194      calc_viscosity called before k=1,Nr loop.
195    o added some #ifdef's ALLOW_PASSIVE_TRACER
196    o cleaned initialisations in ctrl_map_ini
197      related to TAF
198    
199    checkpoint40pre6
200    o split dynamics into thermodynamics & dynamics
201    o corresponding split of calc_diffusivity into
202      calc_diffusivity, calc_viscosity
203      (kpp_calc_diff, kpp_calc_visc).
204    o Added diffkr, kapgm to control variables
205    o bug fix in gmredi_slope_limit for ldd97
206    
207    checkpoint40pre5
208    o proper initialization of Adams-Bashforth time stepping
209      + uses forward step for very first step of model (iter=0)
210    o re-generated *all* output since almost all output is modified by this
211      change (sorry but we've been putting this one off for about 2 years)
212      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
213        *not* regenerated since they are already out of date and I don't
214        want to create the impression that they are suddenly working.
215    o removed KAP stuff for DEC's
216    o modified/added many .cvsignore files in */code and */input
217    o added new expt "solid-body.cs-32x32x1"
218      + this uses an alternative form of ini_curvilinear_grid.F which
219        is not necessarily any better than the current one...
220    
221    checkpoint40pre4
222    o added re-initialisations of utrans,vtrans,rtrans in
223      calc_common_factors which are crucial for TAF.
224    o extended iMin,jMin range for calc_common_factors,
225      calc_diffusivity
226    o added option ALLOW_PASSIVE_TRACER
227    o a few minor updates and fixes
228    
229    checkpoint40pre3
230    o created calc_gtr1.F for gad package
231    o split the_main_loop and re-introduced forward_step
232    o some recomputations of nIter0 for TAMC
233    
234    checkpoint40pre2
235    o Updated to latest branch of AJA, JMC
236    o Added gradient check package
237    o Added routines for passive tracer handling
238    o Added carbon sequestration sensitivity experiment
239    
240    checkpoint39
241     o Modifications and fixes to support TAMC
242       (mainly missing or wrong directives)
243     o Corrected common blocks when fooling TAMC to produce adjoint I/O
244       in addummy_in_stepping
245     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
246     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
247     o Included following packages:
248       cal: calendar
249       exf: external forcing
250       ecco: essential routines to control use of cal, exf
251             (NB: this is not the full ECCO environment)
252     o disabled some packages by default in genmake
253    
254    checkpoint38
255     o see notes_c37_adj.txt
256     o corrected wrong layer index in external_forcing_t
257     o replaced the_main_loop/forward_step by the_main_loop
258     o removed forceoutput from write_state
259       (replaced criteria for initial/final state)
260     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
261    
262    checkpoint37
263     o mdsio.F routine split and packaged in pkg/mdsio
264       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
265        used unless genmake -disable=mdsio)
266     o allow a more precise surface-geopotential gradient for the atmosphere
267       taking into account the change in space of Alpha (=1/rho) at the surface.
268     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
269       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
270     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
271       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
272       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
273     o Time-Average diagnostics defined as a pseudo package "timeave".
274     o pickup files : old pickup (before c35) did not work with new code (c35
275       and after) unless activating 2 commented lines in initialise-varia.
276     o Non-Hydrostatic pickup file Pb fixed.
277     o bug with Rigid-lid version (since c35) fixed.  
278    
279    checkpoint36
280     o implement Crank-Nickelson barotropic time-stepping
281     o recover Time-Average diagnostics
282     o fix Pb in checkpoint (PR#19)
283     o AIM become a standard package ; clean unused CPP_kees
284    
285    checkpoint35
286     o subtantial rewrite of dynamics.f
287     o allows staggered time-stepping
288     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
289     o added bottom drag (linear + quadratic)
290    
291    checkpoint34
292     o Modified exchange routines for correct reverse simulation.
293     o Added verification output to comply with bug fix in impldiff.F
294       as of c33 (exp2, natl_box).
295     o Corrected store directives in dynamics.F
296     o Corrected array boundaries in impldiff.F
297     o Corrected array dimensions in gmredi.
298       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
299     o Added routine GLOBAL_SUM_INT to global_sum.F
300     o Added mdsio_gl.F for ECCO purposes.
301    
302    checkpoint33
303     o Fixed bug in lower BC in impldiff.F
304     o Fixed confusion about units of forcing arrays in FFIELDS.h
305       namely Fu,Fv,Qnet,Qsw,EmPmR:
306       - Removed verification/natl_box/code/external_fields_scale.F
307         (did not differ from that in model/src)
308       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
309         (see FFIELDS.h for description)
310       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
311         kpp_calc.F and kpp_transport_t.F
312       - Removed model/src/external_fields_scale.F and calls to it
313       - verification/natl_box uses flux data with "atmospheric" sign so
314         a special version of external_fields_load.F is used to
315         change the data as it's read in. This way, the arrays
316         have the right units and signs at all times tha a user could
317         possibly use them.
318     o Corrected genmake to delete a temporary file during configuration
319    
320    checkpoint32
321     o Scaling of forcing fields moved from external_forcing.F to
322       external_fields_scale.F, called directly after loading fields.
323     o Surface relaxation terms added to surface tendency fields in
324       extra subroutine.
325     o impldiff.F changed to avoid storing by TAMC of huge intermediate
326       fields.
327     o Changes in GMRedi to comply with packaging structure.
328     o Modifications and bug fixes in KPP package.
329     o Verification experiment for KPP added (verification/nat_box/)
330    
331    checkpoint31
332     o Packages interface brought in line with defined standard
333       -> new routines packages_...F
334       -> changes in initialise_fixed.F, initialise_varia.F
335       -> enables initialisation interface for ECCO package
336     o Rescaling of external forcing fields immediately after read
337       (removed from external_forcing.F)
338       -> new: surface_fields_scale.F
339       -> affects ini_foorcing.F, external_fields_load.F
340     o Computation of surface tendencies before tendency updates.
341       -> new: external_forcing_surf.F
342     o Change of variable names useGMRedi, useKPP, useECCO
343     o Further changes in dynamics.F, impldiff.F for TAMC
344     o Tested for experiments 0, 2, 4.
345       - not yet tested for GMRedi.
346       - not yet tested for KPP.
347    
348    checkpoint30
349     o Updates for OBCs
350     o New experiment for test OBCs (internal_wave)
351     o New output.txt in verification/exp4/results/
352     o Updates for KPP: calculation of viscosity corrected, new variables
353       kpp_dumpFreq and kpp_taveFreq
354     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
355       and entry for T90 in genmake
356    
357    checkpoint29
358     o packaged KPP and GM/Redi
359    
360    checkpoint28
361     o Corrected initialization of hFacMin for difference vertical coordinates
362     o Modified calculation of partial cell thickness to more robust algorithm
363     o config_summary.F: replaced write_1D_... by write_0D_...
364       read_write.F: added subroutines write_0D_...
365     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
366       included some initialisations required for TAMC.
367     o routine calc_isoslopes: modified sqrt computation to make it
368       differentiable for zero argument.
369     o routines dynamics, impldiff:
370       included store directives and tape key computations required for TAMC.
371     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
372    
373    checkpoint27
374     o fixed calc_isoslopes() to so that cancellation of terms in tensor
375       formulation works properly with variable resolution.
376     o restructured the calling tree between the_model_main() and dynamics()
377     o split initialise() into initialise_fixed() and initialise_varia()
378     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
379       in new routine ini_psurf()
380    
381    checkpoint26
382     o moved some #ifdef in optional routines to encompass everything
383       except the argument declarations. This was using up some memory.
384     o fixed macros like _ADT to work with both versions of Linux cpp
385     o cleaned up some unused and uninitialized variables
386       (helps when debugging with strict compile options)
387     o split up CPP_EEOPTIONS.h into options and macros
388       (macros are now in eesupp/inc/CPP_EEMACROS.h)
389     o patch for 2 processor JAM mode
390    
391    checkpoint25
392     o updates for OBCs and NH
393     o dramatically reduced memory usage
394     o added "JAM" routines for use on Artic network
395     o parameterization of convection by implicit vertical diffusion
396     o added a diagnostic of convective index
397     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
398       (this is was partly for OBCs and NH but also in anticipation of
399        an explicit free-surface option)
400     o initial state input files for U and V
401    
402    checkpoint24
403     o Removed some spurious "REAL"s
404     o Updated KPP to latest version from JPL
405     o Added a COS(latitude) in horizontal viscosity
406    
407    checkpoint23
408     o Added del^4 diffusion for salt and temperature
409     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
410    
411    checkpoint22
412     o Made many small changes: implicit none, format(i5), etc...
413     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
414    
415    checkpoint21
416     o Introduced new I/O package that supports direct-access records (mdsio.F)
417     o Split-up mid-level I/O routines
418     o Updated input data for experiments 0,1,2,4 and 5
419     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
420    
421    checkpoint20
422     o Tidied up open-boundaries some more
423     o Added non-hydrostatic code
424     o Fixed some input data
425     o Modified MPI start-up to work in "coupled" context.
426    
427    checkpoint19
428     o Tidied up directory structure for verification experiments.
429     o Added new code for open boundaries.
430     o Corrected advective terms near boundaries.
431     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
432     o Implemented free-slip/no-slip BCs and del^4 dissipation.
433     o Split default parameters out of ini_parms.F into set_defaults.F.
434    
435    checkpoint18
436     o Further changes for optional code generation with
437       CPP - ugh!
438    
439    checkpoint17
440     o Beginning to incorporating modularity
441       for supporting atmos. and ocean configs.
442     o Small changes for TAMC complinace
443     o New ultra simple test case. Barotropic box
444       configuration "exp0".
445    
446    checkpoint16
447     o Minor changes to exchange routines to support
448       accumulation in reverse mode. Adjoint of an
449       assignment is an addition.
450     o Changes to support compilation by TAMC (LR(1)
451       syntax) and by g77 under Linux ( 72 character
452       limit ).
453    
454    checkpoint15
455     Rewrote exchange routines to allow
456     o General tile <-> tile connectivity.
457     o TAMC reverse mode flag ( is this really needed? )
458     o Variable width overlap and exchange region widths.
459     o Hooks for sharing data via DMA, Arctic, Memory Channel,
460       shmput/shmget, VIA, SYSV shmem and every other cool
461       communication method.
462    
463    checkpoint14
464     Consistent isomorphism chages made. These allow dynamical core
465     to support both pressure and meters as a vertical coordinate.
466    
467    checkpoint13
468     Release which corrects global_max problem and a couple
469     of KGM time-averaging diagnostic errors. Also contains
470     a double-gyre experiment setup as well as the baseline
471     4 degree global template. The double gyre template is
472     organised to allow it to be applied automatically to
473     the baseline configuration.
474    
475    branch-point-rdot
476     A few tidy-ups have been made bt the real point of this
477     check-point (excuse the pun) is to allow a branch to be
478     made for the purposes of adding the rDot alterations.
479     I don't want to commit the rDot to the main-trunk until
480     we've actually tested it...
481    
482    checkpoint12
483     Tidy up and added generic genmake script (formerly
484     configure script).
485     Released to testers.
486    
487    checkpoint11
488     Re-arranged initialise() and introduced ini_vertical_grid()
489     and ini_masks_etc().
490    
491    checkpoint10
492     Introduced the configure script.
493     Separated out the diags package.
494     Added template for writing time-averages of tile/intermediate quantities.
495     Updated SIZE.h in exp2 and made the data big-endian.
496    
497    checkpoint9
498     MPI fix. Filename changes (meta/data). salbin*y stuff.
499     General tidy-up.
500     SST.bin SSS.bin added to verification/exp2
501    
502    checkpoint8
503     Inludes time-dependant forcing and time-averaging.
504     Works at 4x4 and 2.8125x2.8125 global
505    
506    checkpoint7-4degree-ref
507     Branch from checkpoint7. Released for application to
508     global modeling and general modeling - process studies, regional
509     model etc..
510     Configured for verification/exp2 - 4 degree global, two process.
511    
512    checkpoint7
513     Created by cnh
514     Simple 4 degree global simulation
515     configuration.
516     Includes climatological wind,
517     hydrography, bathymetry etc
518     Does not include Heat Flux and E-P
519    
520    checkpoint6
521     Created by cnh
522     merged checkpoint5 with CD and
523     spherical polar code.
524     Still some problems with GM Redi
525     abd full topography.
526    
527  checkpoint5  checkpoint5
528   Created by AJA   Created by AJA

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