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revision 1.22 by adcroft, Wed May 26 23:01:16 1999 UTC revision 1.53.2.19 by dimitri, Thu Jan 30 05:55:53 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    
13    release1_p10
14    o modifications for using pkg/exf with pkg/seaice
15      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
16        and SEAICE_EXTERNAL_FLUXES
17      - pkg/exf CPP options EXF_READ_EVAP and
18        EXF_NO_BULK_COMPUTATIONS
19      - usage examples are Experiments 8 and 9 in
20        verification/lab_sea/README
21      - verification/lab_sea default experiment now uses
22        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
23    
24    release1_p9
25    o pkg/seaice
26      - removed GOTO's and added taf directives
27      - double precision constants to reduce the g77 (Linux)
28        to F77 (SGI) differences reported in release1_p8
29    o tools/genmake
30      - added SGI options
31    o verification/testscript
32      - updated to that of checkpoint47a_post
33    o verification/global_ocean.90x40x15/input/eedata
34      - modified for SGI f77 compatibility
35    o verification/lab_sea
36      - added description of sea-ice model
37      - added missing matlab routines
38      - added test of thermodynamics parallelization
39    
40    release1_p8
41    o verification/natl_box:
42      updating new external_fields_load routine
43    o New package: pkg/seaice
44      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
45      The sea-ice code is based on Hibler (1979-1980).
46      Two sea-ice dynamic solvers, ADI and LSR, are included.
47      In addition to computing prognostic sea-ice variables and diagnosing
48      the forcing/external data fields that drive the ocean model,
49      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
50      The implied surface heat flux is then stored in variable
51      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
52      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
53      non-local transport term.  Because this call precedes model
54      thermodynamics, temperature under sea-ice may not be "exactly" at
55      the freezing point by the time theta is dumped or time-averaged.
56      N.B.: fairly large differences in accuracy occur across
57            different platforms/compilers; comparison between
58            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
59            generated output gives:
60       T           S           U           V
61      C D M    c        m  s        m  s        m  s        m  s
62      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
63      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
64      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
65    
66      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
67    
68    
69    release1_p7
70    o GAD:
71      - generated new common blocks to account for call of
72        same gad routines with differing traceridentities
73        (needed to modify tracerIdentity indices in GAD.h)
74      - generated separate common blocks for case useCubedSphereExchange
75        (Department of Futurology)
76      - parameter lists to gmredi_?transport: added tracerIdentity
77      - added new key indices to tamc.h
78    o external_fields_load:
79      - added this routine to TAF list
80      - needed to make some common blocks global and additional storing
81        along the same lines as exf package (checkpoint_lev?_directives.h)
82    o exf:
83      updated external forcing package
84      - bug fixes carried over from ecco-branch
85        (missing OBCS_OPTIONS.h in two routines)
86      - enable easy to use "no forcing".
87      - added exf I/O for atmospheric loading
88      - added exf I/O for runoff data
89      - transfered scaling between exf <-> MITgcm to exf namelist
90    o Adding new verification experiment global_with_exf.
91      This verification experiment is almost identical to the
92      global_ocean.90x40x15 experiment, except that it uses
93      the exf (and cal) package instead of the
94      external_fields_load routine (cf README file).
95    
96    release1_p6
97    o fixed the verification/global_ocean.90x40x15 experiment:
98     - new bathymetry (the world according to A., JMC, and M.)
99     - new initial fields and forcing fields (*.bin files)
100     - new POLY3.COEFFS (for the next release one should switch to a full
101       equation of state)
102     - fixed several errors and redundancies in the data file
103     - experiment uses looped cells
104     - added matlab directory with diagnostic scripts for plotting of output
105    
106    release1_p5
107    o import recent fix from MAIN branch:
108      - use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
109      - change phiMin in exp1 (to agree with documentation)
110     from checkpoint45 to checkpoint45a_post:
111      - specific exchange for X-slice domain (case Ny=1)
112      - argument futureIter of S/R obcs_calc missing in
113        exp4 & internal_wave /code
114      - solve_for_pressure : set cg2d_x to zero where OBCS are applied
115     from checkpoint44f_post to checkpoint44g_post:
116      - fix surface correction term in multiDimAdvection
117        (affects plume_on_slope results
118    o bug fix in packages_readparms (missing ALLOW_CALENDAR)
119    o bug fix in CG2D.h (correct array size for LETS_MAKE_JAM
120    o Adjoint-related bug fixes in kpp:
121      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
122      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
123    o added Eliassen-Palm flux hooks (dynamics,ini_fields)
124    o removed unused TAF keys iikey, idkey (dynamics,thermodynamics)
125    o flow directives:
126      - new for S/R do_the_model_io
127      - enhanced for S/R checkpoint
128    o added Eliassen Palm flux controls to gradient check package
129    o new ctrl package
130      - adopted from ECCO environment to enable optimization
131      - added Eliassen Palm fluxes to controls
132      - adjusted global_ocean.90x40x15/ and carbon/ accordingly
133    
134    release1_p4
135    o Removed f90 comments ("!")
136    o Modified initialisations to enable exf package for MITgcm
137      (without invoking ECCO_PACKAGE).
138    o modifications to gradient check package (Martin Losch)
139      - enable centered differences
140      - modified format of standard output
141    
142    release1_p3
143    o added tangent linear setup to verification/carbon/
144    o added adjoint sensitivity setup to verification/global_ocean...
145    o moved packages_init_variables before convective_adjustment
146    o output of verif. which use GMRedi brought up-to-date with
147      MAIN trunk (those were re-created after changes in GMRedi)
148    o included CPP option SINGLE_LAYER_MODE
149      to configure barotropic setup (Martin Losch).
150    o Removed auxiliary variable in impldiff
151      (caused numerical differences with MAIN trunk routine).
152    o Introduced CPP option ALLOW_AUTODIFF_MONITOR to
153      disable adcommon.h/g_common.h by default.
154    o Cleaned exchange calls in cg2d.
155    
156    release1_p2
157    o fixed array boundary problem for adjoint
158      (related to partial recomputation within subroutine
159      related to dynamics -> calc_viscosity -> mom_...
160    o fixed recomputation in thermodynamics
161    o prepare (but not complete) recomputation problem in impldiff
162    o fixed problem for adjoint of global_max
163    o switched off sponge layer code in external_forcing
164    
165    release1_p1
166    o merged necessary patches:
167      - AD-related changes for GMRedi
168      - fixes i KPP (delZ -> drF)
169      - hook to OBCS songe layer code in external_forcing
170      - errorMessageUnit non-zero in eeboot.F
171      - modified test cost function and carbon verif.
172    
173    release1_chkpt44d_post = chkpt44d_post
174    
175    chkpt44d_pre,post
176    o added missing EXCLUDE_MONITOR flags
177    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
178      (incompatible typ in MIN/MAX expressions caused problems
179      on IBM SP3)
180    o in genmake added variable MAKEDEPEND
181      plus resetting for case SunOS
182    o added timer_stats.c routine for IBM SP3
183    o removed variables in dynamics
184    
185    o real fresh water flux implemented with non-linear free-surface.
186    
187    chkpt44c_pre,post
188    o few fix (mask in shap_s2, EmPmR in external_field_load,
189      USE_NATURAL_BCS in solve_for_P);
190    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
191    
192    checkpoint44b_pre/_post
193    o merge of relevant stuff from the ecco-branch:
194      - genmake: removed $S64 overwrite for case SunOS
195      - pkg/exf: update and corrections for field swapping and obcs
196      - pkg/ecco: parameter lists for the_model_main, the_main_loop
197                  harmonized between ECCO and MITgcm
198      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
199                      updated checkpointing_lev... lists for obcs
200      - model/src: minor changes in forward_step, plot_field
201                   added directive for divided adjoint in the_main_loop
202      - pkg/mdsio: added mdsio_gl_slice
203    
204    o check parameters & config (chkpt44a_pre,post)
205    o OBC and NonLin_FrSurf.
206    
207    checkpoint44
208    o fix bug in mom_vi_del2uv
209    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
210    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
211    o update AIM experiments (NCEP input files)
212    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
213    o added some stuff for AD
214    
215    checkpoint43
216    o added two new advection tests
217    o added global 4x4 degree ocean test
218    o added test of H&S94 with free surface on cube
219    o some final mods for gradient check, adjoint,...
220    
221    checkpoint42
222      Fixed AD-related problems:
223    o Store directives up-to-date with re-arranged Adams-Bashforth
224      (mainly thermodynamics.F)
225    o New store directives for multi-dim. advection schemes
226      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
227      * new common block and key passkey
228      (mainly gad_advection.F)
229    o Modified store directives for split of dynamics/thermodynamics
230      for the case ALLOW_KPP
231    o Cleaned argument list for timestep_tracer.F
232    
233    checkpoint41
234    o re-formatted/added comments in prologues of key subroutines
235      to work with protex
236    
237    checkpoint40
238    o moved calc_gs, calc_gt and calc_tr1 back to model/src
239    o added FLT (floats) package from Arne along with demo. experiment
240    o re-arranged Adams-Bashforth scheme for tracers to allow easier
241      implementation of forward-in-time forcing terms
242    o more mods for non-linear free-surface including new variable
243    o modified multi-dim method to work on cube
244    o bug fix in KPP (from DM)
245    
246    checkpoint40pre9
247    o added DST advection schemes
248    o fix MPI bug on SGI's
249    o modifications for non-linear free-surface
250    o fixed conditionals for fixed flow/passive tracer only mode
251    o added tension/strain form of stress tensor
252    o changes to commenting of arguments for TAF/TAMC
253    o added/updated many matlab scripts
254    o added multi-dimensional advection method for tracers
255      
256    checkpoint40pre8
257    o new package rw/
258      Added method for dumping intermediate local arrays:
259      mdsio_writetile - same as mdsio_writefield except works from inside
260                        bi,bj loop
261      mdsio_writelocal - same as mdsio_writetile except works for local
262                         arrays
263      write_local_r? - higher-level wrapper for mdsio_writelocal
264      Controlled by diagFreq. Defaults to zero (ie. no dumps)
265      Example given at end of mom_vecinv.F that dumps some local arrays.
266    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
267      control flux-form versus vector invariant code.
268      Switch is runtime flag vectorInvariantMomentum (defaults to false)
269      or genmake -DISABLE ...
270    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
271      (additional storing is now needed for case vecinv;
272      currently nothing implemented to switch this storing off
273      in case fluxform is used since no CPP flag available).
274    
275    checkpoint40pre7
276    o bug fix in dynamics.F
277      calc_viscosity called before k=1,Nr loop.
278    o added some #ifdef's ALLOW_PASSIVE_TRACER
279    o cleaned initialisations in ctrl_map_ini
280      related to TAF
281    
282    checkpoint40pre6
283    o split dynamics into thermodynamics & dynamics
284    o corresponding split of calc_diffusivity into
285      calc_diffusivity, calc_viscosity
286      (kpp_calc_diff, kpp_calc_visc).
287    o Added diffkr, kapgm to control variables
288    o bug fix in gmredi_slope_limit for ldd97
289    
290    checkpoint40pre5
291    o proper initialization of Adams-Bashforth time stepping
292      + uses forward step for very first step of model (iter=0)
293    o re-generated *all* output since almost all output is modified by this
294      change (sorry but we've been putting this one off for about 2 years)
295      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
296        *not* regenerated since they are already out of date and I don't
297        want to create the impression that they are suddenly working.
298    o removed KAP stuff for DEC's
299    o modified/added many .cvsignore files in */code and */input
300    o added new expt "solid-body.cs-32x32x1"
301      + this uses an alternative form of ini_curvilinear_grid.F which
302        is not necessarily any better than the current one...
303    
304    checkpoint40pre4
305    o added re-initialisations of utrans,vtrans,rtrans in
306      calc_common_factors which are crucial for TAF.
307    o extended iMin,jMin range for calc_common_factors,
308      calc_diffusivity
309    o added option ALLOW_PASSIVE_TRACER
310    o a few minor updates and fixes
311    
312    checkpoint40pre3
313    o created calc_gtr1.F for gad package
314    o split the_main_loop and re-introduced forward_step
315    o some recomputations of nIter0 for TAMC
316    
317    checkpoint40pre2
318    o Updated to latest branch of AJA, JMC
319    o Added gradient check package
320    o Added routines for passive tracer handling
321    o Added carbon sequestration sensitivity experiment
322    
323    checkpoint39
324     o Modifications and fixes to support TAMC
325       (mainly missing or wrong directives)
326     o Corrected common blocks when fooling TAMC to produce adjoint I/O
327       in addummy_in_stepping
328     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
329     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
330     o Included following packages:
331       cal: calendar
332       exf: external forcing
333       ecco: essential routines to control use of cal, exf
334             (NB: this is not the full ECCO environment)
335     o disabled some packages by default in genmake
336    
337    checkpoint38
338     o see notes_c37_adj.txt
339     o corrected wrong layer index in external_forcing_t
340     o replaced the_main_loop/forward_step by the_main_loop
341     o removed forceoutput from write_state
342       (replaced criteria for initial/final state)
343     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
344    
345    checkpoint37
346     o mdsio.F routine split and packaged in pkg/mdsio
347       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
348        used unless genmake -disable=mdsio)
349     o allow a more precise surface-geopotential gradient for the atmosphere
350       taking into account the change in space of Alpha (=1/rho) at the surface.
351     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
352       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
353     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
354       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
355       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
356     o Time-Average diagnostics defined as a pseudo package "timeave".
357     o pickup files : old pickup (before c35) did not work with new code (c35
358       and after) unless activating 2 commented lines in initialise-varia.
359     o Non-Hydrostatic pickup file Pb fixed.
360     o bug with Rigid-lid version (since c35) fixed.  
361    
362    checkpoint36
363     o implement Crank-Nickelson barotropic time-stepping
364     o recover Time-Average diagnostics
365     o fix Pb in checkpoint (PR#19)
366     o AIM become a standard package ; clean unused CPP_kees
367    
368    checkpoint35
369     o subtantial rewrite of dynamics.f
370     o allows staggered time-stepping
371     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
372     o added bottom drag (linear + quadratic)
373    
374    checkpoint34
375     o Modified exchange routines for correct reverse simulation.
376     o Added verification output to comply with bug fix in impldiff.F
377       as of c33 (exp2, natl_box).
378     o Corrected store directives in dynamics.F
379     o Corrected array boundaries in impldiff.F
380     o Corrected array dimensions in gmredi.
381       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
382     o Added routine GLOBAL_SUM_INT to global_sum.F
383     o Added mdsio_gl.F for ECCO purposes.
384    
385    checkpoint33
386     o Fixed bug in lower BC in impldiff.F
387     o Fixed confusion about units of forcing arrays in FFIELDS.h
388       namely Fu,Fv,Qnet,Qsw,EmPmR:
389       - Removed verification/natl_box/code/external_fields_scale.F
390         (did not differ from that in model/src)
391       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
392         (see FFIELDS.h for description)
393       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
394         kpp_calc.F and kpp_transport_t.F
395       - Removed model/src/external_fields_scale.F and calls to it
396       - verification/natl_box uses flux data with "atmospheric" sign so
397         a special version of external_fields_load.F is used to
398         change the data as it's read in. This way, the arrays
399         have the right units and signs at all times tha a user could
400         possibly use them.
401     o Corrected genmake to delete a temporary file during configuration
402    
403    checkpoint32
404     o Scaling of forcing fields moved from external_forcing.F to
405       external_fields_scale.F, called directly after loading fields.
406     o Surface relaxation terms added to surface tendency fields in
407       extra subroutine.
408     o impldiff.F changed to avoid storing by TAMC of huge intermediate
409       fields.
410     o Changes in GMRedi to comply with packaging structure.
411     o Modifications and bug fixes in KPP package.
412     o Verification experiment for KPP added (verification/nat_box/)
413    
414    checkpoint31
415     o Packages interface brought in line with defined standard
416       -> new routines packages_...F
417       -> changes in initialise_fixed.F, initialise_varia.F
418       -> enables initialisation interface for ECCO package
419     o Rescaling of external forcing fields immediately after read
420       (removed from external_forcing.F)
421       -> new: surface_fields_scale.F
422       -> affects ini_foorcing.F, external_fields_load.F
423     o Computation of surface tendencies before tendency updates.
424       -> new: external_forcing_surf.F
425     o Change of variable names useGMRedi, useKPP, useECCO
426     o Further changes in dynamics.F, impldiff.F for TAMC
427     o Tested for experiments 0, 2, 4.
428       - not yet tested for GMRedi.
429       - not yet tested for KPP.
430    
431    checkpoint30
432     o Updates for OBCs
433     o New experiment for test OBCs (internal_wave)
434     o New output.txt in verification/exp4/results/
435     o Updates for KPP: calculation of viscosity corrected, new variables
436       kpp_dumpFreq and kpp_taveFreq
437     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
438       and entry for T90 in genmake
439    
440    checkpoint29
441     o packaged KPP and GM/Redi
442    
443    checkpoint28
444     o Corrected initialization of hFacMin for difference vertical coordinates
445     o Modified calculation of partial cell thickness to more robust algorithm
446     o config_summary.F: replaced write_1D_... by write_0D_...
447       read_write.F: added subroutines write_0D_...
448     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
449       included some initialisations required for TAMC.
450     o routine calc_isoslopes: modified sqrt computation to make it
451       differentiable for zero argument.
452     o routines dynamics, impldiff:
453       included store directives and tape key computations required for TAMC.
454     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
455    
456    checkpoint27
457     o fixed calc_isoslopes() to so that cancellation of terms in tensor
458       formulation works properly with variable resolution.
459     o restructured the calling tree between the_model_main() and dynamics()
460     o split initialise() into initialise_fixed() and initialise_varia()
461     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
462       in new routine ini_psurf()
463    
464    checkpoint26
465     o moved some #ifdef in optional routines to encompass everything
466       except the argument declarations. This was using up some memory.
467     o fixed macros like _ADT to work with both versions of Linux cpp
468     o cleaned up some unused and uninitialized variables
469       (helps when debugging with strict compile options)
470     o split up CPP_EEOPTIONS.h into options and macros
471       (macros are now in eesupp/inc/CPP_EEMACROS.h)
472     o patch for 2 processor JAM mode
473    
474    checkpoint25
475     o updates for OBCs and NH
476     o dramatically reduced memory usage
477     o added "JAM" routines for use on Artic network
478     o parameterization of convection by implicit vertical diffusion
479     o added a diagnostic of convective index
480     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
481       (this is was partly for OBCs and NH but also in anticipation of
482        an explicit free-surface option)
483     o initial state input files for U and V
484    
485    checkpoint24
486     o Removed some spurious "REAL"s
487     o Updated KPP to latest version from JPL
488     o Added a COS(latitude) in horizontal viscosity
489    
490  checkpoint23  checkpoint23
491   o Added del^4 diffusion for salt and temperature   o Added del^4 diffusion for salt and temperature
492   o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)   o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)

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