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revision 1.26 by adcroft, Mon Apr 10 14:41:52 2000 UTC revision 1.53.2.20 by dimitri, Fri Jan 31 05:06:50 2003 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    release1_??? (not taged yet)
7    o modifications for using pkg/exf with pkg/seaice
8      - improved description of the various forcing configurations
9      - added basic radiation bulk formulae to pkg/exf
10      - units/sign fix for evap computation in exf_getffields.F
11      - updated verification/global_with_exf/results/output.txt
12    o added pkg/sbo for computing IERS Special Bureau for the Oceans (SBO)
13      core products, including oceanic mass, center-of-mass, angular, and
14      bottom pressure.
15    
16    release1_p10
17    o modifications for using pkg/exf with pkg/seaice
18      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
19        and SEAICE_EXTERNAL_FLUXES
20      - pkg/exf CPP options EXF_READ_EVAP and
21        EXF_NO_BULK_COMPUTATIONS
22      - usage examples are Experiments 8 and 9 in
23        verification/lab_sea/README
24      - verification/lab_sea default experiment now uses
25        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
26    
27    release1_p9
28    o pkg/seaice
29      - removed GOTO's and added taf directives
30      - double precision constants to reduce the g77 (Linux)
31        to F77 (SGI) differences reported in release1_p8
32    o tools/genmake
33      - added SGI options
34    o verification/testscript
35      - updated to that of checkpoint47a_post
36    o verification/global_ocean.90x40x15/input/eedata
37      - modified for SGI f77 compatibility
38    o verification/lab_sea
39      - added description of sea-ice model
40      - added missing matlab routines
41      - added test of thermodynamics parallelization
42    
43    release1_p8
44    o verification/natl_box:
45      updating new external_fields_load routine
46    o New package: pkg/seaice
47      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
48      The sea-ice code is based on Hibler (1979-1980).
49      Two sea-ice dynamic solvers, ADI and LSR, are included.
50      In addition to computing prognostic sea-ice variables and diagnosing
51      the forcing/external data fields that drive the ocean model,
52      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
53      The implied surface heat flux is then stored in variable
54      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
55      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
56      non-local transport term.  Because this call precedes model
57      thermodynamics, temperature under sea-ice may not be "exactly" at
58      the freezing point by the time theta is dumped or time-averaged.
59      N.B.: fairly large differences in accuracy occur across
60            different platforms/compilers; comparison between
61            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
62            generated output gives:
63       T           S           U           V
64      C D M    c        m  s        m  s        m  s        m  s
65      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
66      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
67      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
68    
69      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
70    
71    
72    release1_p7
73    o GAD:
74      - generated new common blocks to account for call of
75        same gad routines with differing traceridentities
76        (needed to modify tracerIdentity indices in GAD.h)
77      - generated separate common blocks for case useCubedSphereExchange
78        (Department of Futurology)
79      - parameter lists to gmredi_?transport: added tracerIdentity
80      - added new key indices to tamc.h
81    o external_fields_load:
82      - added this routine to TAF list
83      - needed to make some common blocks global and additional storing
84        along the same lines as exf package (checkpoint_lev?_directives.h)
85    o exf:
86      updated external forcing package
87      - bug fixes carried over from ecco-branch
88        (missing OBCS_OPTIONS.h in two routines)
89      - enable easy to use "no forcing".
90      - added exf I/O for atmospheric loading
91      - added exf I/O for runoff data
92      - transfered scaling between exf <-> MITgcm to exf namelist
93    o Adding new verification experiment global_with_exf.
94      This verification experiment is almost identical to the
95      global_ocean.90x40x15 experiment, except that it uses
96      the exf (and cal) package instead of the
97      external_fields_load routine (cf README file).
98    
99    release1_p6
100    o fixed the verification/global_ocean.90x40x15 experiment:
101     - new bathymetry (the world according to A., JMC, and M.)
102     - new initial fields and forcing fields (*.bin files)
103     - new POLY3.COEFFS (for the next release one should switch to a full
104       equation of state)
105     - fixed several errors and redundancies in the data file
106     - experiment uses looped cells
107     - added matlab directory with diagnostic scripts for plotting of output
108    
109    release1_p5
110    o import recent fix from MAIN branch:
111      - use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
112      - change phiMin in exp1 (to agree with documentation)
113     from checkpoint45 to checkpoint45a_post:
114      - specific exchange for X-slice domain (case Ny=1)
115      - argument futureIter of S/R obcs_calc missing in
116        exp4 & internal_wave /code
117      - solve_for_pressure : set cg2d_x to zero where OBCS are applied
118     from checkpoint44f_post to checkpoint44g_post:
119      - fix surface correction term in multiDimAdvection
120        (affects plume_on_slope results
121    o bug fix in packages_readparms (missing ALLOW_CALENDAR)
122    o bug fix in CG2D.h (correct array size for LETS_MAKE_JAM
123    o Adjoint-related bug fixes in kpp:
124      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
125      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
126    o added Eliassen-Palm flux hooks (dynamics,ini_fields)
127    o removed unused TAF keys iikey, idkey (dynamics,thermodynamics)
128    o flow directives:
129      - new for S/R do_the_model_io
130      - enhanced for S/R checkpoint
131    o added Eliassen Palm flux controls to gradient check package
132    o new ctrl package
133      - adopted from ECCO environment to enable optimization
134      - added Eliassen Palm fluxes to controls
135      - adjusted global_ocean.90x40x15/ and carbon/ accordingly
136    
137    release1_p4
138    o Removed f90 comments ("!")
139    o Modified initialisations to enable exf package for MITgcm
140      (without invoking ECCO_PACKAGE).
141    o modifications to gradient check package (Martin Losch)
142      - enable centered differences
143      - modified format of standard output
144    
145    release1_p3
146    o added tangent linear setup to verification/carbon/
147    o added adjoint sensitivity setup to verification/global_ocean...
148    o moved packages_init_variables before convective_adjustment
149    o output of verif. which use GMRedi brought up-to-date with
150      MAIN trunk (those were re-created after changes in GMRedi)
151    o included CPP option SINGLE_LAYER_MODE
152      to configure barotropic setup (Martin Losch).
153    o Removed auxiliary variable in impldiff
154      (caused numerical differences with MAIN trunk routine).
155    o Introduced CPP option ALLOW_AUTODIFF_MONITOR to
156      disable adcommon.h/g_common.h by default.
157    o Cleaned exchange calls in cg2d.
158    
159    release1_p2
160    o fixed array boundary problem for adjoint
161      (related to partial recomputation within subroutine
162      related to dynamics -> calc_viscosity -> mom_...
163    o fixed recomputation in thermodynamics
164    o prepare (but not complete) recomputation problem in impldiff
165    o fixed problem for adjoint of global_max
166    o switched off sponge layer code in external_forcing
167    
168    release1_p1
169    o merged necessary patches:
170      - AD-related changes for GMRedi
171      - fixes i KPP (delZ -> drF)
172      - hook to OBCS songe layer code in external_forcing
173      - errorMessageUnit non-zero in eeboot.F
174      - modified test cost function and carbon verif.
175    
176    release1_chkpt44d_post = chkpt44d_post
177    
178    chkpt44d_pre,post
179    o added missing EXCLUDE_MONITOR flags
180    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
181      (incompatible typ in MIN/MAX expressions caused problems
182      on IBM SP3)
183    o in genmake added variable MAKEDEPEND
184      plus resetting for case SunOS
185    o added timer_stats.c routine for IBM SP3
186    o removed variables in dynamics
187    
188    o real fresh water flux implemented with non-linear free-surface.
189    
190    chkpt44c_pre,post
191    o few fix (mask in shap_s2, EmPmR in external_field_load,
192      USE_NATURAL_BCS in solve_for_P);
193    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
194    
195    checkpoint44b_pre/_post
196    o merge of relevant stuff from the ecco-branch:
197      - genmake: removed $S64 overwrite for case SunOS
198      - pkg/exf: update and corrections for field swapping and obcs
199      - pkg/ecco: parameter lists for the_model_main, the_main_loop
200                  harmonized between ECCO and MITgcm
201      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
202                      updated checkpointing_lev... lists for obcs
203      - model/src: minor changes in forward_step, plot_field
204                   added directive for divided adjoint in the_main_loop
205      - pkg/mdsio: added mdsio_gl_slice
206    
207    o check parameters & config (chkpt44a_pre,post)
208    o OBC and NonLin_FrSurf.
209    
210    checkpoint44
211    o fix bug in mom_vi_del2uv
212    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
213    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
214    o update AIM experiments (NCEP input files)
215    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
216    o added some stuff for AD
217    
218    checkpoint43
219    o added two new advection tests
220    o added global 4x4 degree ocean test
221    o added test of H&S94 with free surface on cube
222    o some final mods for gradient check, adjoint,...
223    
224    checkpoint42
225      Fixed AD-related problems:
226    o Store directives up-to-date with re-arranged Adams-Bashforth
227      (mainly thermodynamics.F)
228    o New store directives for multi-dim. advection schemes
229      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
230      * new common block and key passkey
231      (mainly gad_advection.F)
232    o Modified store directives for split of dynamics/thermodynamics
233      for the case ALLOW_KPP
234    o Cleaned argument list for timestep_tracer.F
235    
236    checkpoint41
237    o re-formatted/added comments in prologues of key subroutines
238      to work with protex
239    
240    checkpoint40
241    o moved calc_gs, calc_gt and calc_tr1 back to model/src
242    o added FLT (floats) package from Arne along with demo. experiment
243    o re-arranged Adams-Bashforth scheme for tracers to allow easier
244      implementation of forward-in-time forcing terms
245    o more mods for non-linear free-surface including new variable
246    o modified multi-dim method to work on cube
247    o bug fix in KPP (from DM)
248    
249    checkpoint40pre9
250    o added DST advection schemes
251    o fix MPI bug on SGI's
252    o modifications for non-linear free-surface
253    o fixed conditionals for fixed flow/passive tracer only mode
254    o added tension/strain form of stress tensor
255    o changes to commenting of arguments for TAF/TAMC
256    o added/updated many matlab scripts
257    o added multi-dimensional advection method for tracers
258      
259    checkpoint40pre8
260    o new package rw/
261      Added method for dumping intermediate local arrays:
262      mdsio_writetile - same as mdsio_writefield except works from inside
263                        bi,bj loop
264      mdsio_writelocal - same as mdsio_writetile except works for local
265                         arrays
266      write_local_r? - higher-level wrapper for mdsio_writelocal
267      Controlled by diagFreq. Defaults to zero (ie. no dumps)
268      Example given at end of mom_vecinv.F that dumps some local arrays.
269    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
270      control flux-form versus vector invariant code.
271      Switch is runtime flag vectorInvariantMomentum (defaults to false)
272      or genmake -DISABLE ...
273    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
274      (additional storing is now needed for case vecinv;
275      currently nothing implemented to switch this storing off
276      in case fluxform is used since no CPP flag available).
277    
278    checkpoint40pre7
279    o bug fix in dynamics.F
280      calc_viscosity called before k=1,Nr loop.
281    o added some #ifdef's ALLOW_PASSIVE_TRACER
282    o cleaned initialisations in ctrl_map_ini
283      related to TAF
284    
285    checkpoint40pre6
286    o split dynamics into thermodynamics & dynamics
287    o corresponding split of calc_diffusivity into
288      calc_diffusivity, calc_viscosity
289      (kpp_calc_diff, kpp_calc_visc).
290    o Added diffkr, kapgm to control variables
291    o bug fix in gmredi_slope_limit for ldd97
292    
293    checkpoint40pre5
294    o proper initialization of Adams-Bashforth time stepping
295      + uses forward step for very first step of model (iter=0)
296    o re-generated *all* output since almost all output is modified by this
297      change (sorry but we've been putting this one off for about 2 years)
298      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
299        *not* regenerated since they are already out of date and I don't
300        want to create the impression that they are suddenly working.
301    o removed KAP stuff for DEC's
302    o modified/added many .cvsignore files in */code and */input
303    o added new expt "solid-body.cs-32x32x1"
304      + this uses an alternative form of ini_curvilinear_grid.F which
305        is not necessarily any better than the current one...
306    
307    checkpoint40pre4
308    o added re-initialisations of utrans,vtrans,rtrans in
309      calc_common_factors which are crucial for TAF.
310    o extended iMin,jMin range for calc_common_factors,
311      calc_diffusivity
312    o added option ALLOW_PASSIVE_TRACER
313    o a few minor updates and fixes
314    
315    checkpoint40pre3
316    o created calc_gtr1.F for gad package
317    o split the_main_loop and re-introduced forward_step
318    o some recomputations of nIter0 for TAMC
319    
320    checkpoint40pre2
321    o Updated to latest branch of AJA, JMC
322    o Added gradient check package
323    o Added routines for passive tracer handling
324    o Added carbon sequestration sensitivity experiment
325    
326    checkpoint39
327     o Modifications and fixes to support TAMC
328       (mainly missing or wrong directives)
329     o Corrected common blocks when fooling TAMC to produce adjoint I/O
330       in addummy_in_stepping
331     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
332     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
333     o Included following packages:
334       cal: calendar
335       exf: external forcing
336       ecco: essential routines to control use of cal, exf
337             (NB: this is not the full ECCO environment)
338     o disabled some packages by default in genmake
339    
340    checkpoint38
341     o see notes_c37_adj.txt
342     o corrected wrong layer index in external_forcing_t
343     o replaced the_main_loop/forward_step by the_main_loop
344     o removed forceoutput from write_state
345       (replaced criteria for initial/final state)
346     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
347    
348    checkpoint37
349     o mdsio.F routine split and packaged in pkg/mdsio
350       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
351        used unless genmake -disable=mdsio)
352     o allow a more precise surface-geopotential gradient for the atmosphere
353       taking into account the change in space of Alpha (=1/rho) at the surface.
354     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
355       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
356     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
357       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
358       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
359     o Time-Average diagnostics defined as a pseudo package "timeave".
360     o pickup files : old pickup (before c35) did not work with new code (c35
361       and after) unless activating 2 commented lines in initialise-varia.
362     o Non-Hydrostatic pickup file Pb fixed.
363     o bug with Rigid-lid version (since c35) fixed.  
364    
365    checkpoint36
366     o implement Crank-Nickelson barotropic time-stepping
367     o recover Time-Average diagnostics
368     o fix Pb in checkpoint (PR#19)
369     o AIM become a standard package ; clean unused CPP_kees
370    
371    checkpoint35
372     o subtantial rewrite of dynamics.f
373     o allows staggered time-stepping
374     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
375     o added bottom drag (linear + quadratic)
376    
377    checkpoint34
378     o Modified exchange routines for correct reverse simulation.
379     o Added verification output to comply with bug fix in impldiff.F
380       as of c33 (exp2, natl_box).
381     o Corrected store directives in dynamics.F
382     o Corrected array boundaries in impldiff.F
383     o Corrected array dimensions in gmredi.
384       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
385     o Added routine GLOBAL_SUM_INT to global_sum.F
386     o Added mdsio_gl.F for ECCO purposes.
387    
388    checkpoint33
389     o Fixed bug in lower BC in impldiff.F
390     o Fixed confusion about units of forcing arrays in FFIELDS.h
391       namely Fu,Fv,Qnet,Qsw,EmPmR:
392       - Removed verification/natl_box/code/external_fields_scale.F
393         (did not differ from that in model/src)
394       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
395         (see FFIELDS.h for description)
396       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
397         kpp_calc.F and kpp_transport_t.F
398       - Removed model/src/external_fields_scale.F and calls to it
399       - verification/natl_box uses flux data with "atmospheric" sign so
400         a special version of external_fields_load.F is used to
401         change the data as it's read in. This way, the arrays
402         have the right units and signs at all times tha a user could
403         possibly use them.
404     o Corrected genmake to delete a temporary file during configuration
405    
406    checkpoint32
407     o Scaling of forcing fields moved from external_forcing.F to
408       external_fields_scale.F, called directly after loading fields.
409     o Surface relaxation terms added to surface tendency fields in
410       extra subroutine.
411     o impldiff.F changed to avoid storing by TAMC of huge intermediate
412       fields.
413     o Changes in GMRedi to comply with packaging structure.
414     o Modifications and bug fixes in KPP package.
415     o Verification experiment for KPP added (verification/nat_box/)
416    
417    checkpoint31
418     o Packages interface brought in line with defined standard
419       -> new routines packages_...F
420       -> changes in initialise_fixed.F, initialise_varia.F
421       -> enables initialisation interface for ECCO package
422     o Rescaling of external forcing fields immediately after read
423       (removed from external_forcing.F)
424       -> new: surface_fields_scale.F
425       -> affects ini_foorcing.F, external_fields_load.F
426     o Computation of surface tendencies before tendency updates.
427       -> new: external_forcing_surf.F
428     o Change of variable names useGMRedi, useKPP, useECCO
429     o Further changes in dynamics.F, impldiff.F for TAMC
430     o Tested for experiments 0, 2, 4.
431       - not yet tested for GMRedi.
432       - not yet tested for KPP.
433    
434    checkpoint30
435     o Updates for OBCs
436     o New experiment for test OBCs (internal_wave)
437     o New output.txt in verification/exp4/results/
438     o Updates for KPP: calculation of viscosity corrected, new variables
439       kpp_dumpFreq and kpp_taveFreq
440     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
441       and entry for T90 in genmake
442    
443    checkpoint29
444     o packaged KPP and GM/Redi
445    
446    checkpoint28
447     o Corrected initialization of hFacMin for difference vertical coordinates
448     o Modified calculation of partial cell thickness to more robust algorithm
449     o config_summary.F: replaced write_1D_... by write_0D_...
450       read_write.F: added subroutines write_0D_...
451     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
452       included some initialisations required for TAMC.
453     o routine calc_isoslopes: modified sqrt computation to make it
454       differentiable for zero argument.
455     o routines dynamics, impldiff:
456       included store directives and tape key computations required for TAMC.
457     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
458    
459  checkpoint27  checkpoint27
460   o fixed calc_isoslopes() to so that cancellation of terms in tensor   o fixed calc_isoslopes() to so that cancellation of terms in tensor
461     formulation works properly with variable resolution.     formulation works properly with variable resolution.

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