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revision 1.348 by jmc, Tue Sep 21 15:47:59 2004 UTC revision 1.467 by adcroft, Mon Mar 28 15:48:14 2005 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o introduced an alternative length scale calculation for use in the limiting
7      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
8    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
9    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
10      as well as grad(vort3).  Made it compatible with both approximate form
11      for the cubed sphere and full form of these gradients.  Added flag
12      useFullLeith to select between approximate and full form.  
13    o add "d0" in getcon.F to reduce differences between compilers/platforms
14      update output.txt of exp. fizhi-gridalt-hs
15    o change port_rand funtion to allow to set the seed.
16    o fix obscure MNC bug involving conversion between reals and integers
17      - it caused no problems with certain (eg. gcc, ifc) compilers but the
18        new version is now more standards-compliant
19    
20    checkpoint57e_post
21    o Adding eddy stress controls a la Ferreira et al.
22    checkpoint57e_pre
23    
24    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
25      update output.txt of exp. fizhi-gridalt-hs
26    o add more "Z" dimensions and associated coordinate vars to MNC
27    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
28    o parameter calendarDumps: when set, approximate months (30-31 days) and years
29      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
30      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
31      months and years.  Requires pkg/cal.
32    o diagnostics: add pickup functionality
33      - off by default for backwards compatibility
34      - current version only uses MDSIO -- MNC will be added
35    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
36    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
37    
38    checkpoint57d_post
39    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
40    o modify verification/ideal_2D_oce so that it tests the creation of mnc
41      output from the diagnostics package
42    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
43    o make genmake2 more portable by using ".$FS" instead of ".f" for more
44      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
45    o add coordinate variables to the MNC output from the diagnostics package
46    o change MNC-flags default value: true when useMNC=TRUE
47    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
48      the ability (off by default) to read the grid information using MNC
49    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
50    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
51    o do snap-shot diagnostics at the middle of the time-interval (instead of
52      at the end).
53    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
54      new test for AIM with thSIce + slab-ocean
55    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
56    o move state variable diagnostics to the beginning of the time step ;
57      (note: still needs some work specially for snap-shot diagnostics)
58      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
59    
60    checkpoint57c_post
61    o Change testing option (-ieee) to get closer agreement between g77 & ifort
62    o generate new output.txt files on faulks with g77 & the new -ieee option
63    checkpoint57c_pre
64    
65    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
66      update output.txt of exp. global_ocean.90x40x15
67    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
68      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
69    o add saltFlux(+File) forcing capability with periodicExternalForcing
70    o allow to use pkg diagnostics for GM-Redi & ThSIce output
71    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
72    o improvements for the MNC output from DIAGNOSTICS:
73      - correct handling of the unlimitied dimension
74      - all dims now have associated coordinate variables
75      - variables located at U, V, and Corner ("Z") points are now written
76        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
77        *all* data points are output
78    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
79    o added pkg/seaice/seaice_monitor.F
80    o mdsio_readfield.F can now read files visible only to master MPI process.
81    o pkg/seaice: some test code for ice-modified ocean stress
82    o exf_getffields interpolation defaults to bilinear for all scalar forcing
83      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
84      spurious negative numbers for precipitation and humidity.  Will cause
85      some small numerical differences for integrations using pkg/exf/exf_interp.F.
86    o pkg/ctrl/
87      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
88        May be enabled via doPackDiag
89      *  introduce z-scaling of
90         + gradient (doZscalePack) and
91         + control (doZscaleUnpack)
92    o pkg/mdsio/
93      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
94      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
95    
96    checkpoint57b_post
97    o simplify options in diagnostics_fill arguments (remove weird combinations)
98    o fix MNC coordinate variables so that they now contain per-face index
99      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
100      general, EXCH2 grids are only aligned to a "local" coordinate system
101    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
102    o Implement instantaneous output within pkg diagnostics:
103      setting a negative frequency in data.diagnostics produces
104     "snap-shot" output (as opposed to time-average if freq > 0)
105    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
106      NOTE: change ptracer diagnostics name: use 2 characters to work with
107            more than 9 tracers. Add also diagnostics of advect & diffus flux.
108    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
109      becomes the coordinate variable for the 'T' dimension
110    o add CF-style coordinate variables to MNC
111      - just a first cut:  numbers are meaningless on the cubesphere and
112        missing along the T axis but otherwise it works!
113    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
114    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
115    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
116      this is based directly on what the model compute, so that the content of
117      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
118    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
119    o clean up build options files for SunOS, in particular
120      - remove -traditional from xmakedepend
121      - change -xarch=v9 to -xarch=native for f77
122      - restore use of make (not gmake)
123      - add CC=gcc if using g77
124    o changes per discussion of AM, JMC, & EH3 today:
125      - move redundant "grid" variables out of "state" -- in preparation of
126        creating proper CF-style coordinate variables and in recognition
127        that any/all grid variables can be easily copied (eg. w/NCO) from
128        the grid files into any of the other NetCDF files
129      - *always* output grid variables with MDSIO (this will eventually be
130        changed)
131      - output MNC grid file if useMNC is true
132    o every instance of _END_MASTER() has been found and replaced with
133      _END_MASTER( myThid ) in order to satisfy certain picky Sun
134      preprocessors
135    o re-arrange diagnostics pkg initialisation:
136     - allow each package to extend the available diagnostics list
137     - add some checking and fix small problems (multi-threaded, ...)
138     - new S/R diagnostics_fill (replace fill_diagnostics):
139       look through the short list of active diag. (instead of the long list)
140       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
141    
142    checkpoint57a_post
143    o this set of changes restores TAMC compatibility
144      tested for global_ocean.90x40x15 adjoint on trough
145      (what a pain)
146    
147    checkpoint57a_pre
148    o some modifs in tools/build_options for sunos
149    o call ctrl_pack for ctrl at end for optimcycle=0
150    
151    checkpoint57
152    o add horizontal bi-harmonic viscosity for vertical velocity
153      - new parameter viscA4W (defaults to viscA4)
154      - affects only non-hydrostatic code
155      - to be done: no-slip lateral boundary conditions
156    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
157    o implement Implicit Vertical advection for pTracers
158    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
159      (implemented also for implicit vertical diffusion & advection)
160    o OBCS: extend application of tracer open boundary conditions
161      to a strip beyond the boundary of width Olx/Oly
162    o add call monitor to TAF set of required calls (flow directives)
163      and include in natl_box_adjoint
164    o untangle a few ifdefs related to cost, ctrl, autodiff
165      untangel a few ALLOW_ECCO_OPTIMIZATION
166    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
167      (theta2, salt2 in ecco_cost_weights)
168    
169    checkpoint56c_post
170    o OBCS as control variables
171      - update ctrl_ad_diff.list, obcs_ad_diff.list
172      - remove balance of obcs controls from default
173      - fix index bug nobcs in ctrl_init
174      - fix dummy fields filen in ctrl_pack
175      - add dummy weights for obcs
176    o lsopt: comment out fort.94 output
177    o optim:
178      - remove unnecessary header files
179      - adjusted namelists
180      - add xerbla.F to Makefile
181    o exf:
182      - multiple modifications of exf_check_range
183      - unit change in exf_init_runoff from [m/year] to [m/s]
184    o mdsio:
185      - i/o-vector change debugLevel from debLevA to debLevB
186    
187    checkpoint56b_post
188    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
189      is called from DO_THE_MODEL_IO
190      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
191      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
192      - clean up PTRACERS_WRITE_TIMEAVE a little
193    o add another verification experiment that tests both the cfc-pkg and
194      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
195      reactive tendencies treated inline with regular timestepping
196    o testreport previously did a lousy job of comparing small numbers, so
197      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
198      implemented in the little c-progam tmp_cmpnum.c which is embedded in
199      testreport.
200    o ptracers_monitor: bug fix for MPI
201    
202    checkpoint56a_post
203    o GCHEM: finish reorganizating the package
204      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
205        (introduces another 3D-array for each passive tracer, but only if
206        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
207        gchemTendency is not needed because the timestep is done separately)
208      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
209      - GCHEM is now---more or less cleanly---separate from PTRACERS
210      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
211        so clear to me how that should be done in a general way.
212    o CFC: improve formatting of output in CFC_ATMOS
213    o PTRACERS:
214      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
215        that ALL experiments with ptracers enable can be checked. This makes
216        GCHEM_MONITOR obsolete.
217      - include a runtime parameter PTRACERS_monitorFreq that defaults to
218        monitorFreq
219      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
220    o add PTRACERS (PTR0[1-5]) to testreport output
221    o exf_check_range:
222      * default changed to .TRUE.
223      * will check values for niter0 if debLevA, every timestep if debLevB
224      * STOP in exf_check_range if 'out of range'
225      * range chosen generous to allow for potential extema
226      TBD: a version with stricter range
227           permitted range would be runtime parameters
228    o GMredi:
229      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
230      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
231      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
232    o GCHEM:
233      - move call to GCHEM_FORCING_SEP, so that it is now called before
234        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
235      - introduced a useGCHEM runtime flag and applied it everywhere.
236      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
237        this flag is now only visible within GCHEM-pkg routines.
238      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
239        be replaced by a 3D array that is computed before thermodynamics; for
240        this, the tracer ID iTracer had to be included into the parameter list
241        of ptracers_forcing
242      - set up forward_step to call gchem_forcing, that will replace
243        gchem_forcing_int in ptracers_forcing
244      - cleaning up
245    o small cleaning of exch2: remove files that are also in eesupp/src
246    
247    checkpoint56
248    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
249    o mnc: cleanup "full" files--fixes out-of-memory problem
250    o ECCO-GODAE
251      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
252      * fully merged and updated from SIO code
253        windstress sign change affects
254        - exf_inscal_[u/v]stress
255        - sign of xx_tau[u/v] adjustments
256        - signs in cost_scat
257      * ctrl_get_gen: avoid update of tau[u/v] for first few days
258      * natl_box_adjoint updated and compressed
259      * 2-level checkpoint switch added
260        (tested in EXP. 1 of natl_box_adjoint)
261      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
262    o SVD
263      * first complete, non-hacked version for SVD calculations
264      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
265        performed via direct access files admtlm_vector.it????
266        (via ctrl_[un]pack)
267      * optimcycle is used for ARPACK iteration counter
268        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
269      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
270        and add linear transforms where necessary
271      * controls are initial/final SST, SSS (can be extended; need to check
272        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
273    o mdsio: filename info to both stderr, stdout
274    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
275      from sign change
276    
277    checkpoint55j_post
278    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
279      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
280    o add consistent build directories and .cvsignore files to verification
281    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
282    o make all subroutines 30 or less characters in length for certain older
283      compilers to work (a thorough search only turns up two routines in
284      pkg/ptracers)
285    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
286      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
287    
288    checkpoint55i_post
289    o change arrays for total vertical diffusivity (2.D if explicit,
290      3.D if implicit) ; each ptracer uses its own background value.
291    o added mnc/NetCDF output capability to ocn_compon_interf
292      - added bits to verification/cpl_aim+ocn so that it can run on
293        ITRDA and other clusters without the mpirun "-wd" option
294    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
295      configuration
296    o give MNC the ability to create additional files rather than
297      exceeding a specified file size limit "MNC_MAX_FILESIZE"
298      - the default is just less than 2GB which is a practical limit
299        on many systems
300    o Compute the non-local term using either KPP vertical diffusivity (=default)
301       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
302    
303    checkpoint55h_post
304    o add verification test "vermix"
305    o remove all the *_ioinc flags and replace with the single global
306      outputTypesInclusive flag
307    o allow to set a vertical profile of vertical diffusivity for T & S
308    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
309    o useMNC moved from data.mnc to data.pkg
310    
311    checkpoint55g_post
312    o Renaming carbon AD experiments to comply with testreport conventions
313    o Updating adjoint of Held-Suarez hs94.1x64x5
314    o Fixing directives for non-ECCO forward_step, after ECCO directives
315      have been fixed to avoid recomp. of do_oceanic_phys
316      Works well for global_ocean.90x40x15,
317      but recomp. issue remains for carbon
318    o Updating adjoint output for natl_box_adjoint after
319      pkg/ecco has been modified (see taga c55d_post)
320    
321    checkpoint55f_post
322    o rename to timeave_init_fixed
323    
324    checkpoint55e_post
325    o some delicate re-shuffle of store directives to avoid one
326      extra call of do_oceanic_physics
327      affects ecco_the_main_loop.F, do_oceanic_physics.F
328      checkpoint_lev1_directives.h
329    o NB: this may break global_ocean adjoint temporarily,
330      but it is clear how to fix it. Will do later, need this now.
331    
332    checkpoint55d_post
333    o ECCO specific cost function terms (up-to-date with 1x1 runs)
334    o ecco_cost_weights is modified to 1x1 runs
335    o modifs to allow observations to be read in as
336      single file or yearly files
337    o enable to read exf forcing fields as either
338      single file or yearly files (flag useExfYearlyFields)
339    checkpoint55d_pre
340    
341    o switch between 2-level and 3-level checkpointing
342    o add ability of MNC to write local and "partial" (eg. 2D slices where
343      the full 3D field is never actually stored) arrays to NetCDF files
344      with the correct (that is, the complete multi-dimensional) set of
345      array indicies
346      - used in mom_vecinv() to write the diagFreq output
347      - tested (demonstrated) in verification/aim.5l_cs
348    o further mnc-ification
349      - add verification/lab_sea to the list with mnc setups
350      - fix undefined mnc v-names in cd_code
351      - add kpp to mnc output (both snapshot and timeave)
352    o non-hydrostatic code
353      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
354        in calc_gw.F
355      - defaults to viscAh
356      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
357        friction or Leith) in non-hydrostatic mode, as long as there is
358        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
359    o pkg/cost
360      extend simple cost functions to treat time mean quantities
361      (T,U,V) via cost_accumulate_state from cost_tile
362    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
363        be 2 times larger than the minimum size the advection scheme requires.
364        now get a perfect conservation of salt in advect_cs test-exp (updated)
365    o GGL90 (Gaspar's TKE mixed layer)
366      - add horizontal diffusion of TKE, requires exchanges in
367        do_fields_blocking_exchanges, horizontal diffusivity is zero by
368        default. In OPA there is no horizontal diffusion of TKE but the
369        mixing coefficients are computed from a horizontal average of TKE of
370        6 points or so. I think that diffusion has a little more physical
371        justification.
372      - clean up ggl90_calc in the hope of reducing memory usage (this hope
373        was in vain)
374      - mask tke-variable in ggl90_init
375    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
376    o fix biharmonic diffusion on CS-grid.
377    o more obcs stuff
378      - added obcs_external_fields_load as an alternative to the EXF-pkg option
379        for reading boundary values. This routine is called from
380        obcs_prescribe_read
381      - updated obcs_check
382      - changed sponge layer relaxation parameter units for days to seconds
383      - turned off sponge layer by default
384      - changed argument list of OBCS_CALC to myTime+deltaTclock
385      - fixed about 35 bugs in obcs_external_fields_load
386    
387    checkpoint55c_post
388    o obcs stuff
389      - new runtime flags useOBCSprescribe, useOBCSbalance
390      - re-arranged obcs_calc
391      - moved exf_getobcs to obcs_prescibe_read
392        obcs_prescibe_read is called after ORLANSKI stuff
393        and independent of it (executable can contain all).
394      - updated obcs_check
395      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
396        These may be necessary only if tangential velocities are
397        prescribed at OB, not sure, needs testing.
398    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
399      which simplifies the calls and passes the ifc check-bounds test
400    
401    checkpoint55b_post
402    o add a 2D scalar, Z location, exchange_2 routine.
403    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
404      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
405      affects advect_cs results (for the wrong reason): update output.txt
406  o use a more standard discretization for biharmonic viscosity ;  o use a more standard discretization for biharmonic viscosity ;
407   (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )   (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
408    affects results of dome set-up: update output.txt    affects results of dome set-up: update output.txt

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