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revision 1.232 by jmc, Wed Dec 31 20:29:54 2003 UTC revision 1.489 by jmc, Fri May 20 07:53:21 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 pkg/diagnostics:
8      add new capability: output of Global/Regional & per-level statistics
9    
10    checkpoint57h_done
11      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
12      data.diagnostics, data.gchem, data.ptracers) is done.
13    
14    o pkg/diagnostics: prepare for Global/Regional statistics.
15      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
16    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
17      and rename it: DIFFERENT_MULTIPLE
18    
19    checkpoint57h_post
20    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
21    o pkg/diagnostics: change output frequency, now in seconds (instead
22      of Nb of iterations). This requires to change data.diagnostics.
23    checkpoint57h_pre
24    
25    o in mnc, let the user create the output dir if both mnc_outdir_date
26      and mnc_outdir_num are false
27    o add fflags() to pkg/diagnostics which allows one to specify, on a
28      per-file basis, the file precision [default behavior is unchanged]
29    o added diagnostics to pkg/kpp, including computation of mixed layer
30      depth based on a temperature/density criterion
31    o updated verification/natl_box to test the new pkg/kpp diagnostics
32    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
33    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
34    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
35      not mnc -- this mistake was found by JMC and is now corrected
36    
37    checkpoint57g_post
38    o add Adams-Bashforth 3rd Order time stepping:
39      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
40      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
41    checkpoint57g_pre
42    
43    o make lambda[Theta,Salt]ClimRelax spatially varying
44      (default remains spatially uniform constant based on tau)
45    o added new control variables
46      * init. uVel, vVel, etanN
47      * lambda[Theta,Salt]ClimRelax
48    o separate masks used for ctrl_pack/unpack 'from write_grid' output
49      (suggested by G. Forget)
50    
51    checkpoint57f_post
52    o add parameter "baseTime" = model base time = time at iteration zero
53      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
54      account for baseTime shift
55    o move Coriolis arrays from PARAMS.h to GRID.h
56    checkpoint57f_pre
57    
58    o mnc-ifying the seaice package
59    o introduced an alternative length scale calculation for use in the limiting
60      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
61    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
62    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
63      as well as grad(vort3).  Made it compatible with both approximate form
64      for the cubed sphere and full form of these gradients.  Added flag
65      useFullLeith to select between approximate and full form.  
66    o add "d0" in getcon.F to reduce differences between compilers/platforms
67      update output.txt of exp. fizhi-gridalt-hs
68    o change port_rand funtion to allow to set the seed.
69    o fix obscure MNC bug involving conversion between reals and integers
70      - it caused no problems with certain (eg. gcc, ifc) compilers but the
71        new version is now more standards-compliant
72    o adjoint-related modifications
73      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
74      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
75      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
76    
77    checkpoint57e_post
78    o Adding eddy stress controls a la Ferreira et al.
79    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
80    
81    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
82      update output.txt of exp. fizhi-gridalt-hs
83    o add more "Z" dimensions and associated coordinate vars to MNC
84    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
85    o parameter calendarDumps: when set, approximate months (30-31 days) and years
86      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
87      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
88      months and years.  Requires pkg/cal.
89    o diagnostics: add pickup functionality
90      - off by default for backwards compatibility
91      - current version only uses MDSIO -- MNC will be added
92    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
93    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
94    
95    checkpoint57d_post
96    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
97    o modify verification/ideal_2D_oce so that it tests the creation of mnc
98      output from the diagnostics package
99    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
100    o make genmake2 more portable by using ".$FS" instead of ".f" for more
101      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
102    o add coordinate variables to the MNC output from the diagnostics package
103    o change MNC-flags default value: true when useMNC=TRUE
104    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
105      the ability (off by default) to read the grid information using MNC
106    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
107    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
108    o do snap-shot diagnostics at the middle of the time-interval (instead of
109      at the end).
110    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
111      new test for AIM with thSIce + slab-ocean
112    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
113    o move state variable diagnostics to the beginning of the time step ;
114      (note: still needs some work specially for snap-shot diagnostics)
115      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
116    
117    checkpoint57c_post
118    o Change testing option (-ieee) to get closer agreement between g77 & ifort
119    o generate new output.txt files on faulks with g77 & the new -ieee option
120    checkpoint57c_pre
121    
122    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
123      update output.txt of exp. global_ocean.90x40x15
124    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
125      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
126    o add saltFlux(+File) forcing capability with periodicExternalForcing
127    o allow to use pkg diagnostics for GM-Redi & ThSIce output
128    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
129    o improvements for the MNC output from DIAGNOSTICS:
130      - correct handling of the unlimitied dimension
131      - all dims now have associated coordinate variables
132      - variables located at U, V, and Corner ("Z") points are now written
133        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
134        *all* data points are output
135    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
136    o added pkg/seaice/seaice_monitor.F
137    o mdsio_readfield.F can now read files visible only to master MPI process.
138    o pkg/seaice: some test code for ice-modified ocean stress
139    o exf_getffields interpolation defaults to bilinear for all scalar forcing
140      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
141      spurious negative numbers for precipitation and humidity.  Will cause
142      some small numerical differences for integrations using pkg/exf/exf_interp.F.
143    o pkg/ctrl/
144      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
145        May be enabled via doPackDiag
146      *  introduce z-scaling of
147         + gradient (doZscalePack) and
148         + control (doZscaleUnpack)
149    o pkg/mdsio/
150      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
151      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
152    
153    checkpoint57b_post
154    o simplify options in diagnostics_fill arguments (remove weird combinations)
155    o fix MNC coordinate variables so that they now contain per-face index
156      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
157      general, EXCH2 grids are only aligned to a "local" coordinate system
158    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
159    o Implement instantaneous output within pkg diagnostics:
160      setting a negative frequency in data.diagnostics produces
161     "snap-shot" output (as opposed to time-average if freq > 0)
162    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
163      NOTE: change ptracer diagnostics name: use 2 characters to work with
164            more than 9 tracers. Add also diagnostics of advect & diffus flux.
165    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
166      becomes the coordinate variable for the 'T' dimension
167    o add CF-style coordinate variables to MNC
168      - just a first cut:  numbers are meaningless on the cubesphere and
169        missing along the T axis but otherwise it works!
170    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
171    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
172    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
173      this is based directly on what the model compute, so that the content of
174      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
175    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
176    o clean up build options files for SunOS, in particular
177      - remove -traditional from xmakedepend
178      - change -xarch=v9 to -xarch=native for f77
179      - restore use of make (not gmake)
180      - add CC=gcc if using g77
181    o changes per discussion of AM, JMC, & EH3 today:
182      - move redundant "grid" variables out of "state" -- in preparation of
183        creating proper CF-style coordinate variables and in recognition
184        that any/all grid variables can be easily copied (eg. w/NCO) from
185        the grid files into any of the other NetCDF files
186      - *always* output grid variables with MDSIO (this will eventually be
187        changed)
188      - output MNC grid file if useMNC is true
189    o every instance of _END_MASTER() has been found and replaced with
190      _END_MASTER( myThid ) in order to satisfy certain picky Sun
191      preprocessors
192    o re-arrange diagnostics pkg initialisation:
193     - allow each package to extend the available diagnostics list
194     - add some checking and fix small problems (multi-threaded, ...)
195     - new S/R diagnostics_fill (replace fill_diagnostics):
196       look through the short list of active diag. (instead of the long list)
197       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
198    
199    checkpoint57a_post
200    o this set of changes restores TAMC compatibility
201      tested for global_ocean.90x40x15 adjoint on trough
202      (what a pain)
203    
204    checkpoint57a_pre
205    o some modifs in tools/build_options for sunos
206    o call ctrl_pack for ctrl at end for optimcycle=0
207    
208    checkpoint57
209    o add horizontal bi-harmonic viscosity for vertical velocity
210      - new parameter viscA4W (defaults to viscA4)
211      - affects only non-hydrostatic code
212      - to be done: no-slip lateral boundary conditions
213    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
214    o implement Implicit Vertical advection for pTracers
215    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
216      (implemented also for implicit vertical diffusion & advection)
217    o OBCS: extend application of tracer open boundary conditions
218      to a strip beyond the boundary of width Olx/Oly
219    o add call monitor to TAF set of required calls (flow directives)
220      and include in natl_box_adjoint
221    o untangle a few ifdefs related to cost, ctrl, autodiff
222      untangel a few ALLOW_ECCO_OPTIMIZATION
223    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
224      (theta2, salt2 in ecco_cost_weights)
225    
226    checkpoint56c_post
227    o OBCS as control variables
228      - update ctrl_ad_diff.list, obcs_ad_diff.list
229      - remove balance of obcs controls from default
230      - fix index bug nobcs in ctrl_init
231      - fix dummy fields filen in ctrl_pack
232      - add dummy weights for obcs
233    o lsopt: comment out fort.94 output
234    o optim:
235      - remove unnecessary header files
236      - adjusted namelists
237      - add xerbla.F to Makefile
238    o exf:
239      - multiple modifications of exf_check_range
240      - unit change in exf_init_runoff from [m/year] to [m/s]
241    o mdsio:
242      - i/o-vector change debugLevel from debLevA to debLevB
243    
244    checkpoint56b_post
245    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
246      is called from DO_THE_MODEL_IO
247      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
248      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
249      - clean up PTRACERS_WRITE_TIMEAVE a little
250    o add another verification experiment that tests both the cfc-pkg and
251      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
252      reactive tendencies treated inline with regular timestepping
253    o testreport previously did a lousy job of comparing small numbers, so
254      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
255      implemented in the little c-progam tmp_cmpnum.c which is embedded in
256      testreport.
257    o ptracers_monitor: bug fix for MPI
258    
259    checkpoint56a_post
260    o GCHEM: finish reorganizating the package
261      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
262        (introduces another 3D-array for each passive tracer, but only if
263        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
264        gchemTendency is not needed because the timestep is done separately)
265      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
266      - GCHEM is now---more or less cleanly---separate from PTRACERS
267      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
268        so clear to me how that should be done in a general way.
269    o CFC: improve formatting of output in CFC_ATMOS
270    o PTRACERS:
271      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
272        that ALL experiments with ptracers enable can be checked. This makes
273        GCHEM_MONITOR obsolete.
274      - include a runtime parameter PTRACERS_monitorFreq that defaults to
275        monitorFreq
276      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
277    o add PTRACERS (PTR0[1-5]) to testreport output
278    o exf_check_range:
279      * default changed to .TRUE.
280      * will check values for niter0 if debLevA, every timestep if debLevB
281      * STOP in exf_check_range if 'out of range'
282      * range chosen generous to allow for potential extema
283      TBD: a version with stricter range
284           permitted range would be runtime parameters
285    o GMredi:
286      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
287      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
288      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
289    o GCHEM:
290      - move call to GCHEM_FORCING_SEP, so that it is now called before
291        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
292      - introduced a useGCHEM runtime flag and applied it everywhere.
293      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
294        this flag is now only visible within GCHEM-pkg routines.
295      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
296        be replaced by a 3D array that is computed before thermodynamics; for
297        this, the tracer ID iTracer had to be included into the parameter list
298        of ptracers_forcing
299      - set up forward_step to call gchem_forcing, that will replace
300        gchem_forcing_int in ptracers_forcing
301      - cleaning up
302    o small cleaning of exch2: remove files that are also in eesupp/src
303    
304    checkpoint56
305    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
306    o mnc: cleanup "full" files--fixes out-of-memory problem
307    o ECCO-GODAE
308      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
309      * fully merged and updated from SIO code
310        windstress sign change affects
311        - exf_inscal_[u/v]stress
312        - sign of xx_tau[u/v] adjustments
313        - signs in cost_scat
314      * ctrl_get_gen: avoid update of tau[u/v] for first few days
315      * natl_box_adjoint updated and compressed
316      * 2-level checkpoint switch added
317        (tested in EXP. 1 of natl_box_adjoint)
318      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
319    o SVD
320      * first complete, non-hacked version for SVD calculations
321      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
322        performed via direct access files admtlm_vector.it????
323        (via ctrl_[un]pack)
324      * optimcycle is used for ARPACK iteration counter
325        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
326      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
327        and add linear transforms where necessary
328      * controls are initial/final SST, SSS (can be extended; need to check
329        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
330    o mdsio: filename info to both stderr, stdout
331    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
332      from sign change
333    
334    checkpoint55j_post
335    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
336      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
337    o add consistent build directories and .cvsignore files to verification
338    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
339    o make all subroutines 30 or less characters in length for certain older
340      compilers to work (a thorough search only turns up two routines in
341      pkg/ptracers)
342    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
343      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
344    
345    checkpoint55i_post
346    o change arrays for total vertical diffusivity (2.D if explicit,
347      3.D if implicit) ; each ptracer uses its own background value.
348    o added mnc/NetCDF output capability to ocn_compon_interf
349      - added bits to verification/cpl_aim+ocn so that it can run on
350        ITRDA and other clusters without the mpirun "-wd" option
351    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
352      configuration
353    o give MNC the ability to create additional files rather than
354      exceeding a specified file size limit "MNC_MAX_FILESIZE"
355      - the default is just less than 2GB which is a practical limit
356        on many systems
357    o Compute the non-local term using either KPP vertical diffusivity (=default)
358       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
359    
360    checkpoint55h_post
361    o add verification test "vermix"
362    o remove all the *_ioinc flags and replace with the single global
363      outputTypesInclusive flag
364    o allow to set a vertical profile of vertical diffusivity for T & S
365    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
366    o useMNC moved from data.mnc to data.pkg
367    
368    checkpoint55g_post
369    o Renaming carbon AD experiments to comply with testreport conventions
370    o Updating adjoint of Held-Suarez hs94.1x64x5
371    o Fixing directives for non-ECCO forward_step, after ECCO directives
372      have been fixed to avoid recomp. of do_oceanic_phys
373      Works well for global_ocean.90x40x15,
374      but recomp. issue remains for carbon
375    o Updating adjoint output for natl_box_adjoint after
376      pkg/ecco has been modified (see taga c55d_post)
377    
378    checkpoint55f_post
379    o rename to timeave_init_fixed
380    
381    checkpoint55e_post
382    o some delicate re-shuffle of store directives to avoid one
383      extra call of do_oceanic_physics
384      affects ecco_the_main_loop.F, do_oceanic_physics.F
385      checkpoint_lev1_directives.h
386    o NB: this may break global_ocean adjoint temporarily,
387      but it is clear how to fix it. Will do later, need this now.
388    
389    checkpoint55d_post
390    o ECCO specific cost function terms (up-to-date with 1x1 runs)
391    o ecco_cost_weights is modified to 1x1 runs
392    o modifs to allow observations to be read in as
393      single file or yearly files
394    o enable to read exf forcing fields as either
395      single file or yearly files (flag useExfYearlyFields)
396    checkpoint55d_pre
397    
398    o switch between 2-level and 3-level checkpointing
399    o add ability of MNC to write local and "partial" (eg. 2D slices where
400      the full 3D field is never actually stored) arrays to NetCDF files
401      with the correct (that is, the complete multi-dimensional) set of
402      array indicies
403      - used in mom_vecinv() to write the diagFreq output
404      - tested (demonstrated) in verification/aim.5l_cs
405    o further mnc-ification
406      - add verification/lab_sea to the list with mnc setups
407      - fix undefined mnc v-names in cd_code
408      - add kpp to mnc output (both snapshot and timeave)
409    o non-hydrostatic code
410      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
411        in calc_gw.F
412      - defaults to viscAh
413      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
414        friction or Leith) in non-hydrostatic mode, as long as there is
415        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
416    o pkg/cost
417      extend simple cost functions to treat time mean quantities
418      (T,U,V) via cost_accumulate_state from cost_tile
419    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
420        be 2 times larger than the minimum size the advection scheme requires.
421        now get a perfect conservation of salt in advect_cs test-exp (updated)
422    o GGL90 (Gaspar's TKE mixed layer)
423      - add horizontal diffusion of TKE, requires exchanges in
424        do_fields_blocking_exchanges, horizontal diffusivity is zero by
425        default. In OPA there is no horizontal diffusion of TKE but the
426        mixing coefficients are computed from a horizontal average of TKE of
427        6 points or so. I think that diffusion has a little more physical
428        justification.
429      - clean up ggl90_calc in the hope of reducing memory usage (this hope
430        was in vain)
431      - mask tke-variable in ggl90_init
432    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
433    o fix biharmonic diffusion on CS-grid.
434    o more obcs stuff
435      - added obcs_external_fields_load as an alternative to the EXF-pkg option
436        for reading boundary values. This routine is called from
437        obcs_prescribe_read
438      - updated obcs_check
439      - changed sponge layer relaxation parameter units for days to seconds
440      - turned off sponge layer by default
441      - changed argument list of OBCS_CALC to myTime+deltaTclock
442      - fixed about 35 bugs in obcs_external_fields_load
443    
444    checkpoint55c_post
445    o obcs stuff
446      - new runtime flags useOBCSprescribe, useOBCSbalance
447      - re-arranged obcs_calc
448      - moved exf_getobcs to obcs_prescibe_read
449        obcs_prescibe_read is called after ORLANSKI stuff
450        and independent of it (executable can contain all).
451      - updated obcs_check
452      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
453        These may be necessary only if tangential velocities are
454        prescribed at OB, not sure, needs testing.
455    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
456      which simplifies the calls and passes the ifc check-bounds test
457    
458    checkpoint55b_post
459    o add a 2D scalar, Z location, exchange_2 routine.
460    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
461      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
462      affects advect_cs results (for the wrong reason): update output.txt
463    o use a more standard discretization for biharmonic viscosity ;
464     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
465      affects results of dome set-up: update output.txt
466    o fix gad_advection.F (CubedSphere part), back to version 1.23
467    o fix bug in mom_vi_del2uv.F (CubedSphere part).
468    
469    checkpoint55a_post
470    o merged code to
471      * prescribe/read time-dependent open boundaries
472        (works in conjunction with exf, cal)
473      * sponge layer code for open boundaries
474      * each boundary N/S/E/W now has its own CPP option
475        (healthy for the adjoint)
476    
477    checkpoint55
478    o up-to-date adjoint of previous breaks
479      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
480      - global_ocean_ebm: adjoint still needs fix (TLM ok)
481      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
482      - carbon: * remove tr1-related adjoint verification
483                * add ptracer as control variable
484    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
485      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
486    
487    checkpoint54f_post
488    o in verification/carbin/ remove experiment related to
489      ALLOW_PASSIVE_TRACER (array tr1 etc)
490      code_ad/ input_ad/ results_ad
491    
492    o add two new packages
493      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
494        + subject to optimization (memory)
495      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
496        + subject to reordering (many GOTOs in the original code)
497        + so far opps is called for every (i,j) point, and then operates in
498          the vertical; one may want to reorder the scheme in order operate in
499          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
500          fields)
501    o overhaul of IO so that we now have flags for MDSIO and/or MNC
502      - all verification tests compile and run with linux_ia32_g77
503      - defaults are compatible with current input files--nothing
504        should change if you were not previously using MNC
505      - MNC output has been added in numerous places (eg. timeave)
506        but there are still a few writes not yet do-able with MNC
507        (this is in progress)
508      - flags now allow for either/or/both use of MDSIO and MNC and
509        documentation will soon follow
510      - numerous small formatting cleanups for ProTeX
511    o add version info (via BUILD_INFO.h) to MNC and stdout
512    
513    checkpoint54e_post
514    o add two new packages
515      - pp81 (Packanowski and Philander, 1981), Richardson number and
516        stratification dependent mixing
517      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
518      - these scheme operate in a similar manner as KPP (without ghat, of
519        course), however there is only one diffusivity that is used for both
520        temperature and salinity (and passive tracers)ç
521    o add offline package
522    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
523      provided by Stephanie Dutkiewicz
524    o genmake2: add ability to search for C compilers and cleanup test output
525      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
526    
527    checkpoint54d_post
528    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
529    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
530      leading to additional shift by 5 days each year of integration
531       (i.e. leading to considerable offset over the years)
532    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
533    o start with no AB and no initial filtering (staggerTimeStep):
534      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
535    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
536      (external loading & cpl import/export stay in forward_step.F)
537    o update coupling interface to work with new staggerTimeStep
538    o change MDSIO ptracers_pickup.
539    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
540    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
541    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
542    
543    checkpoint54c_post
544    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
545      this affects (truncation error) output.txt of test-exp:
546       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
547    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
548    o change Qnet to always be the net heat flux, (+upward).
549      affects (truncation error) output of natl_box exp.: updated
550    o define the max number of passive tracers in PTRACERS_SIZE.h
551    o start to test mnc routinely in exp0
552    o add sea-ice loading (sIceLoad) as a new forcing field.
553    
554    checkpoint54b_post
555    o add testreport "-j JOBS" option for parallel builds (tested and pretty
556       impressive on Altix and Opteron systems)
557    o diagnostics can now write NetCDF files through the mnc package
558    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
559    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
560    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
561      affects (truncation error) output of lab_sea & natl_box exp.: updated
562    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
563    
564    checkpoint54a_post
565    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
566    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
567    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
568    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
569      + internal_wave (shift in writing cg2d_ini_res)
570    checkpoint54a_pre
571    
572    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
573      - modified verification/lab_sea and natl_box_adjoint accordingly
574    
575    checkpoint54
576    checkpoint53g_post
577    o prepare splitting of thermodynamics: store convect.counter in common block
578    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
579      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
580    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
581    o new parameter "nShapS": allow to treat differently S from T (nShapT)
582    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
583    o restore adjointability
584    
585    checkpoint53f_post
586    o modifications that affect AIM experiment results (update output.txt):
587      - no advection of S at top interface Nr (pkg/generic_advdiff)
588      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
589    o AIM pkg:
590      - include stability function into surf.Flux derivative relative to Tsurf
591      - calculate clear-sky radiation & surface temp. change (for diagnostics)
592    
593    checkpoint53e_post
594    o merged cylindrical coord configuration
595    o added rotating_tank experiment
596    checkpoint53e_pre
597    
598    checkpoint53d_post
599    o faulks upgraded: re-generate output.txt that have changed:
600       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
601    o Added Bryan and Lewis, 1979, vertical diffusivity profile
602    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
603    o added Sadourny discretization of Coriolis
604      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
605      - re-enabled use of omega3 (useAbsVorticity)
606    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
607      vector-invariant equations
608      - note: does *NOT* yet use same variable visc. for no-slip BC's.
609    o recoded the lateral boundary conditions for non-hydrostatic w, this time
610      hopefully without new bugs
611      - still to do: biharmonic friction for non-hydrostatic w
612    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
613    o regenerated output for global_ocean_ebm (using -ieee)
614    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
615      of mom_common/
616      - simple re-arrangement of instructions within computing loop
617    checkpoint53d_pre
618    
619    checkpoint53c_post
620    o new version of coupler for AIM+thSIce and Ocean models
621     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
622     - land: change Evaporation of snow
623     - aim with thSIce: fix bug in snow-precip.
624    o changes to calc_gw.F
625     - bug fix for w^2 term near the bottom boundary
626     - (hopefully) improve the lateral slip boundary condtions for use with
627        partial/looped cells
628      - because the bug fix changes two verification experiments anyway (exp5
629        and plume on slope), change the lateral boundary condition from half slip
630        to the value of no_slip_sides
631    o ebm package wasnt quite up to the parallel task. Fixed that.
632    o Adjoint of EBM package + verification
633      * TLM OK
634      * ADM not sufficient accuracy yet (needs further testing)
635    
636    checkpoint53b_post
637    o Commiting new energy balance model to repository
638      * package is pkg/ebm
639      * verif. is verification/global_ocean_ebm
640      * references are in ebm_driver.F
641    C      * X. Wang, P. Stone and J. Marotzke, 1999:
642    C        Global thermohaline circulation. Part I:
643    C        Sensitivity to atmospheric moisture transport.
644    C        J. Climate 12(1), 71-82
645    C      * X. Wang, P. Stone and J. Marotzke, 1999:
646    C        Global thermohaline circulation. Part II:
647    C        Sensitivity with interactive transport.
648    C        J. Climate 12(1), 83-91
649    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
650    C        Destabilization of the thermohaline circulation
651    C        by atmospheric eddy transports.
652    C        J. Climate 7(12), 1870-1882
653    o Will need long integration testing.
654    checkpoint53b_pre
655    
656    o created pkg/mom_common in preparation for variable viscosity code
657    o renamed and split ini_mnc_io
658    o pkg/land: only liquid water can diffuse or run-off
659    o AIM using land: soil wetness availability account for snow
660    o added printMapIncludesZeros to EEPARMS namelist
661    
662    checkpoint53a_post
663    o restore TAMC compatiility for exf_constants.h
664      (no usage of _d in .h)
665    o Additional storing in KPP in an attempt to fix
666      TAMC problem with adjoint of KPP code.
667      (no success...)
668      Identical code works fine with TAF.
669    o Fixed verification/natl_box_adjoint experiments.
670      Initial conditions for Experiments 4 and 5 are now
671      set to "SEAICE_initialHEFF=0", which is more reasonable,
672      and hence gives results closer to that of Experiment 2.
673      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
674    
675    checkpoint53
676    o stable checkpoint with up to date adjoint
677      TLM tests only run for 1st grdchk at the moment. Its unclear if
678      this is a code problem or a problem with resetting code for g_
679      variables that is being autogenerated wrong.
680      Otherwise:
681       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
682       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
683         are both still in chaos following their security messes.
684    
685    checkpoint52n_post
686    o various build (mostly genmake2) changes including:
687      - ability to build/run more easily within Cygwin and MacOS X
688      - more complicated Makefiles with a stronger dependence on Gnu Make
689    o pkg/seaice modifications
690      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
691        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
692        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
693      - changed proxy for geostrophic velocity and updated
694        verification/lab_sea/results/* accordingly
695      - removed ADI dynamic solver from pkg/seaice
696      - replaced all occurrences of 1/CSTICE or 1/CSUICE
697        they caused a segmentation fault under certain circumstances
698      - removed unused field WATR
699    o bug fix in exf-package:
700      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
701         now reflect that.
702    o small fixes in the cal-package:
703      - set reference date to first of January for the 'model'-calendar
704      - failing of cal_CheckDate in cal_FullDate now actually results in a
705        warning
706    o small modifications in exf-package to increase flexibility:
707      - change climtempfreeze from a constant to a runtime parameter that
708        is specified in data.exf_clim (default = -1.9)
709      - introduce runtime parameter windstressmax (default = 2.0) that is
710        specified in data.exf
711    o fix in pkg/thsice:
712      - update Evap (Tsf changes) to be consistent with Latent heat flux
713      - maintain snow precipitation unchanged (even if Tsf >=0).
714     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
715    
716    checkpoint52m_post
717    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
718      this does not change any of the results, because myIter=0 in swfrac always
719      lead to jwtype=2 (the default anyway), but the call makes little sense
720      as a default
721    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
722    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
723      atmospheric model (AIM) to use it ; add a "slab ocean" component.
724    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
725    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
726    o extending useSingleCpuIO option to work with new exch2 I/O format
727      - old-style, missing-tile I/O is still accessible by defining CPP
728        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
729    o monitor package can write to NetCDF files and/or STDOUT
730    o fix re-definition bug in MNC_GRID_INIT_ALL()
731    o doc/api_reference added
732      - a framework for building an API Reference Manual using all
733        the "protex" comments embedded in the code
734      - see pkg/generic_advdiff, pkg/mnc for examples
735    o MNC:
736      - make myThid the last argument for all subroutines
737      - new default for the grid files: NO halos
738      - add useMNC and other run-time flags
739      - separate per-file-group handling of the unlimited dimension
740      - early initialization of MNC w/ flags read at the eeboot stage
741        and lookup tables set in initialize_fixed
742      - write all MNC output to a freshly-created directory
743    o thermodynamics sea-ice (thsice) is now tested with testreport.
744    o test exp. advect_cs: use the standard cs32 grid ; update output.
745    o Added functionality to grdchk:
746      pick global i,j,k position (or nearest wet) where to perform check.
747    
748    checkpoint52l_post
749    o new land formulation:
750      a) use ground enthalpy as prognostic variable to ensure exact
751         energy conservation.
752      b) account for water temperature and for latent heat of freezing
753         in all processes (rain, run-off, ground storage)
754      c) compute surface and ground temperature implicitly.
755    o aim_v23 modification for new land model:
756      a) Treat separately land / ocean / sea-ice surface fluxes
757         to allow implicit computation of land & sea-ice surface temp.
758      b) add snow precipitation.
759    checkpoint52l_pre
760    
761    o fix problem (when 1 tile is empty) in min/max monitor.
762    o fix bug in timeAve (u,vZetatave in common block)
763    o no restoring terms under ice for pkg/seaice
764    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
765    o bug fix for pkg/seaice pickups
766    o change MNC call locations and add coordinate attributes
767    o mask vorticity at the corner ; affects global_ocean.cs output
768    o fix ini_curvilinear_grid ; test CS experiments with mpi
769    o aim.5l_cs: modify sea-ice fraction input file ; update output
770    o exf: Adding simple range check routine for exf fields after read
771    
772    checkpoint52k_post
773    o removed top-level directory "diags"
774      - we migrated these functions to pkg/timeave a long time ago
775    o fixed bug introduced in pkg/monitor
776    o accuracy ctrlprec = 32 insuffient for gradient checks using
777      averaged fields (I/O via cost_averages)
778      -> use ctrl.h in active_file*.F to control I/O precision.
779    o paramter list of CALL ADTHE_MAIN_LOOP
780    o added initial do_the_model_io to ecco
781    o set all ...Freq to zero after cost_final
782      taveFreq, dumpFreq, pChkptFreq
783    o MAIN and ECCO differentiability restored
784    
785    checkpoint52j_post
786    o fix nchklev in tamc.h for global_ocean...
787    o Bringing flow and store directives up-to-date
788    o Really weird thing!
789      call do_the_model_io from the_main_loop with parameters
790      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
791      TAF places a faulty re-call of initialise_varia
792      after cost_final call which should not be there!
793    checkpoint52j_pre
794    
795    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
796      error messages
797    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
798    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
799      debug output
800    o modfied mdsio_writefield.F to handle non-global files under exch2
801    o update AIM Cubed-Sphere exp (aim.5l_cs):
802      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
803    o update AIM Equatorial Channel exp:
804      use standard aim_v23 pkg and change the SST fields to be more realistic.
805    o globalFile now works with exch2
806    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
807      mon_vort3.F to make exch2 friendly with >1 tile per cube face
808    o limit timeave output for hi-res integrations
809    
810    checkpoint52i_post
811    o removed CPP_EEOPTIONS.h from verification/*/code
812    o updated the tiling for global_ocean_pressure
813    checkpoint52i_pre
814    
815    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
816      the old pkg/aim).
817    
818    checkpoint52h_pre
819    o shortened offending lines in exch2_send_rx?.template
820    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
821    o genmake2: add build & execute test for NetCDF code
822    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
823      old grid files, moved CPP_EEMACROS.h to pkg/exch2
824    o added useSingleCPUIO flag to monitor.F and mon_out.F
825    o added temporary hack for sea-ice dynamics on the cube:
826      metric terms are ignored and it is assumed that
827      there is no sea-ice on cube faces 1, 2, 4, and 5.
828    
829    checkpoint52f_post
830    o added exch2 cube routines to pkg/exch2
831    o modified hs94.cs-32x32x5 to use it
832    o added new grid files to hs94.cs-32x32x5
833    checkpoint52f_pre
834    
835    checkpoint52e_post
836    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
837      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
838    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
839      to work with implicit vertical advection and AB ;
840    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
841    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
842     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
843    checkpoint52e_pre
844    
845    o fix bug in impldiff when Nr=1 or Nr=2.
846  o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt  o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
847  o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.  o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
848  o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2  o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2

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