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revision 1.389 by jmc, Fri Nov 19 13:55:26 2004 UTC revision 1.496 by jmc, Thu Jun 9 17:51:34 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
8      add 1rst Order upwind vertical Shear.
9    o add a quick fix for A/B checkpointing in OFFLINE mode
10    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
11      end-run around the C/Fortran linking horror in eesup/src/timers.F
12    o added pkg/runclock: allows user to terminate run based on wall clock
13    o added non-hydrostatic scaling parameter: nh_am2
14    o pkg/my82: futile attempt to make results compiler-independent by adding
15      some "_d 0", etc. no effect.
16    o for mnc output, fill the 'T' coordinate var with myTime and create a
17      separate 'iter' variable for iteration count
18    o pkg/diagnostics:
19      add new capability: output of Global/Regional & per-level statistics ;
20      tested against monitor output (including land & thSIce) on various exp.
21    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
22    
23    checkpoint57h_done
24      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
25      data.diagnostics, data.gchem, data.ptracers) is done.
26    
27    o pkg/diagnostics: prepare for Global/Regional statistics.
28      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
29    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
30      and rename it: DIFFERENT_MULTIPLE
31    
32    checkpoint57h_post
33    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
34    o pkg/diagnostics: change output frequency, now in seconds (instead
35      of Nb of iterations). This requires to change data.diagnostics.
36    checkpoint57h_pre
37    
38    o in mnc, let the user create the output dir if both mnc_outdir_date
39      and mnc_outdir_num are false
40    o add fflags() to pkg/diagnostics which allows one to specify, on a
41      per-file basis, the file precision [default behavior is unchanged]
42    o added diagnostics to pkg/kpp, including computation of mixed layer
43      depth based on a temperature/density criterion
44    o updated verification/natl_box to test the new pkg/kpp diagnostics
45    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
46    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
47    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
48      not mnc -- this mistake was found by JMC and is now corrected
49    
50    checkpoint57g_post
51    o add Adams-Bashforth 3rd Order time stepping:
52      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
53      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
54    checkpoint57g_pre
55    
56    o make lambda[Theta,Salt]ClimRelax spatially varying
57      (default remains spatially uniform constant based on tau)
58    o added new control variables
59      * init. uVel, vVel, etanN
60      * lambda[Theta,Salt]ClimRelax
61    o separate masks used for ctrl_pack/unpack 'from write_grid' output
62      (suggested by G. Forget)
63    
64    checkpoint57f_post
65    o add parameter "baseTime" = model base time = time at iteration zero
66      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
67      account for baseTime shift
68    o move Coriolis arrays from PARAMS.h to GRID.h
69    checkpoint57f_pre
70    
71    o mnc-ifying the seaice package
72    o introduced an alternative length scale calculation for use in the limiting
73      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
74    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
75    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
76      as well as grad(vort3).  Made it compatible with both approximate form
77      for the cubed sphere and full form of these gradients.  Added flag
78      useFullLeith to select between approximate and full form.  
79    o add "d0" in getcon.F to reduce differences between compilers/platforms
80      update output.txt of exp. fizhi-gridalt-hs
81    o change port_rand funtion to allow to set the seed.
82    o fix obscure MNC bug involving conversion between reals and integers
83      - it caused no problems with certain (eg. gcc, ifc) compilers but the
84        new version is now more standards-compliant
85    o adjoint-related modifications
86      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
87      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
88      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
89    
90    checkpoint57e_post
91    o Adding eddy stress controls a la Ferreira et al.
92    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
93    
94    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
95      update output.txt of exp. fizhi-gridalt-hs
96    o add more "Z" dimensions and associated coordinate vars to MNC
97    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
98    o parameter calendarDumps: when set, approximate months (30-31 days) and years
99      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
100      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
101      months and years.  Requires pkg/cal.
102    o diagnostics: add pickup functionality
103      - off by default for backwards compatibility
104      - current version only uses MDSIO -- MNC will be added
105    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
106    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
107    
108    checkpoint57d_post
109    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
110    o modify verification/ideal_2D_oce so that it tests the creation of mnc
111      output from the diagnostics package
112    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
113    o make genmake2 more portable by using ".$FS" instead of ".f" for more
114      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
115    o add coordinate variables to the MNC output from the diagnostics package
116    o change MNC-flags default value: true when useMNC=TRUE
117    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
118      the ability (off by default) to read the grid information using MNC
119    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
120    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
121    o do snap-shot diagnostics at the middle of the time-interval (instead of
122      at the end).
123    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
124      new test for AIM with thSIce + slab-ocean
125    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
126    o move state variable diagnostics to the beginning of the time step ;
127      (note: still needs some work specially for snap-shot diagnostics)
128      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
129    
130    checkpoint57c_post
131    o Change testing option (-ieee) to get closer agreement between g77 & ifort
132    o generate new output.txt files on faulks with g77 & the new -ieee option
133    checkpoint57c_pre
134    
135    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
136      update output.txt of exp. global_ocean.90x40x15
137    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
138      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
139    o add saltFlux(+File) forcing capability with periodicExternalForcing
140    o allow to use pkg diagnostics for GM-Redi & ThSIce output
141    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
142    o improvements for the MNC output from DIAGNOSTICS:
143      - correct handling of the unlimitied dimension
144      - all dims now have associated coordinate variables
145      - variables located at U, V, and Corner ("Z") points are now written
146        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
147        *all* data points are output
148    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
149    o added pkg/seaice/seaice_monitor.F
150    o mdsio_readfield.F can now read files visible only to master MPI process.
151    o pkg/seaice: some test code for ice-modified ocean stress
152    o exf_getffields interpolation defaults to bilinear for all scalar forcing
153      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
154      spurious negative numbers for precipitation and humidity.  Will cause
155      some small numerical differences for integrations using pkg/exf/exf_interp.F.
156    o pkg/ctrl/
157      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
158        May be enabled via doPackDiag
159      *  introduce z-scaling of
160         + gradient (doZscalePack) and
161         + control (doZscaleUnpack)
162    o pkg/mdsio/
163      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
164      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
165    
166    checkpoint57b_post
167    o simplify options in diagnostics_fill arguments (remove weird combinations)
168    o fix MNC coordinate variables so that they now contain per-face index
169      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
170      general, EXCH2 grids are only aligned to a "local" coordinate system
171    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
172    o Implement instantaneous output within pkg diagnostics:
173      setting a negative frequency in data.diagnostics produces
174     "snap-shot" output (as opposed to time-average if freq > 0)
175    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
176      NOTE: change ptracer diagnostics name: use 2 characters to work with
177            more than 9 tracers. Add also diagnostics of advect & diffus flux.
178    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
179      becomes the coordinate variable for the 'T' dimension
180    o add CF-style coordinate variables to MNC
181      - just a first cut:  numbers are meaningless on the cubesphere and
182        missing along the T axis but otherwise it works!
183    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
184    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
185    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
186      this is based directly on what the model compute, so that the content of
187      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
188    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
189    o clean up build options files for SunOS, in particular
190      - remove -traditional from xmakedepend
191      - change -xarch=v9 to -xarch=native for f77
192      - restore use of make (not gmake)
193      - add CC=gcc if using g77
194    o changes per discussion of AM, JMC, & EH3 today:
195      - move redundant "grid" variables out of "state" -- in preparation of
196        creating proper CF-style coordinate variables and in recognition
197        that any/all grid variables can be easily copied (eg. w/NCO) from
198        the grid files into any of the other NetCDF files
199      - *always* output grid variables with MDSIO (this will eventually be
200        changed)
201      - output MNC grid file if useMNC is true
202    o every instance of _END_MASTER() has been found and replaced with
203      _END_MASTER( myThid ) in order to satisfy certain picky Sun
204      preprocessors
205    o re-arrange diagnostics pkg initialisation:
206     - allow each package to extend the available diagnostics list
207     - add some checking and fix small problems (multi-threaded, ...)
208     - new S/R diagnostics_fill (replace fill_diagnostics):
209       look through the short list of active diag. (instead of the long list)
210       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
211    
212    checkpoint57a_post
213    o this set of changes restores TAMC compatibility
214      tested for global_ocean.90x40x15 adjoint on trough
215      (what a pain)
216    
217    checkpoint57a_pre
218    o some modifs in tools/build_options for sunos
219    o call ctrl_pack for ctrl at end for optimcycle=0
220    
221    checkpoint57
222    o add horizontal bi-harmonic viscosity for vertical velocity
223      - new parameter viscA4W (defaults to viscA4)
224      - affects only non-hydrostatic code
225      - to be done: no-slip lateral boundary conditions
226    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
227    o implement Implicit Vertical advection for pTracers
228    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
229      (implemented also for implicit vertical diffusion & advection)
230    o OBCS: extend application of tracer open boundary conditions
231      to a strip beyond the boundary of width Olx/Oly
232    o add call monitor to TAF set of required calls (flow directives)
233      and include in natl_box_adjoint
234    o untangle a few ifdefs related to cost, ctrl, autodiff
235      untangel a few ALLOW_ECCO_OPTIMIZATION
236    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
237      (theta2, salt2 in ecco_cost_weights)
238    
239    checkpoint56c_post
240    o OBCS as control variables
241      - update ctrl_ad_diff.list, obcs_ad_diff.list
242      - remove balance of obcs controls from default
243      - fix index bug nobcs in ctrl_init
244      - fix dummy fields filen in ctrl_pack
245      - add dummy weights for obcs
246    o lsopt: comment out fort.94 output
247    o optim:
248      - remove unnecessary header files
249      - adjusted namelists
250      - add xerbla.F to Makefile
251    o exf:
252      - multiple modifications of exf_check_range
253      - unit change in exf_init_runoff from [m/year] to [m/s]
254    o mdsio:
255      - i/o-vector change debugLevel from debLevA to debLevB
256    
257    checkpoint56b_post
258    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
259      is called from DO_THE_MODEL_IO
260      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
261      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
262      - clean up PTRACERS_WRITE_TIMEAVE a little
263    o add another verification experiment that tests both the cfc-pkg and
264      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
265      reactive tendencies treated inline with regular timestepping
266    o testreport previously did a lousy job of comparing small numbers, so
267      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
268      implemented in the little c-progam tmp_cmpnum.c which is embedded in
269      testreport.
270    o ptracers_monitor: bug fix for MPI
271    
272    checkpoint56a_post
273    o GCHEM: finish reorganizating the package
274      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
275        (introduces another 3D-array for each passive tracer, but only if
276        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
277        gchemTendency is not needed because the timestep is done separately)
278      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
279      - GCHEM is now---more or less cleanly---separate from PTRACERS
280      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
281        so clear to me how that should be done in a general way.
282    o CFC: improve formatting of output in CFC_ATMOS
283    o PTRACERS:
284      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
285        that ALL experiments with ptracers enable can be checked. This makes
286        GCHEM_MONITOR obsolete.
287      - include a runtime parameter PTRACERS_monitorFreq that defaults to
288        monitorFreq
289      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
290    o add PTRACERS (PTR0[1-5]) to testreport output
291    o exf_check_range:
292      * default changed to .TRUE.
293      * will check values for niter0 if debLevA, every timestep if debLevB
294      * STOP in exf_check_range if 'out of range'
295      * range chosen generous to allow for potential extema
296      TBD: a version with stricter range
297           permitted range would be runtime parameters
298    o GMredi:
299      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
300      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
301      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
302  o GCHEM:  o GCHEM:
303    - move call to GCHEM_FORCING_SEP, so that it is now called before    - move call to GCHEM_FORCING_SEP, so that it is now called before
304      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
305    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
306      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
307        this flag is now only visible within GCHEM-pkg routines.
308      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
309        be replaced by a 3D array that is computed before thermodynamics; for
310        this, the tracer ID iTracer had to be included into the parameter list
311        of ptracers_forcing
312      - set up forward_step to call gchem_forcing, that will replace
313        gchem_forcing_int in ptracers_forcing
314      - cleaning up
315  o small cleaning of exch2: remove files that are also in eesupp/src  o small cleaning of exch2: remove files that are also in eesupp/src
316    
317  checkpoint56  checkpoint56

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