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revision 1.275 by jmc, Thu Apr 8 00:25:10 2004 UTC revision 1.495 by edhill, Thu Jun 9 16:38:24 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 add a quick fix for A/B checkpointing in OFFLINE mode
8    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
9      end-run around the C/Fortran linking horror in eesup/src/timers.F
10    o added pkg/runclock: allows user to terminate run based on wall clock
11    o added non-hydrostatic scaling parameter: nh_am2
12    o pkg/my82: futile attempt to make results compiler-independent by adding
13      some "_d 0", etc. no effect.
14    o for mnc output, fill the 'T' coordinate var with myTime and create a
15      separate 'iter' variable for iteration count
16    o pkg/diagnostics:
17      add new capability: output of Global/Regional & per-level statistics ;
18      tested against monitor output (including land & thSIce) on various exp.
19    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
20    
21    checkpoint57h_done
22      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
23      data.diagnostics, data.gchem, data.ptracers) is done.
24    
25    o pkg/diagnostics: prepare for Global/Regional statistics.
26      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
27    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
28      and rename it: DIFFERENT_MULTIPLE
29    
30    checkpoint57h_post
31    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
32    o pkg/diagnostics: change output frequency, now in seconds (instead
33      of Nb of iterations). This requires to change data.diagnostics.
34    checkpoint57h_pre
35    
36    o in mnc, let the user create the output dir if both mnc_outdir_date
37      and mnc_outdir_num are false
38    o add fflags() to pkg/diagnostics which allows one to specify, on a
39      per-file basis, the file precision [default behavior is unchanged]
40    o added diagnostics to pkg/kpp, including computation of mixed layer
41      depth based on a temperature/density criterion
42    o updated verification/natl_box to test the new pkg/kpp diagnostics
43    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
44    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
45    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
46      not mnc -- this mistake was found by JMC and is now corrected
47    
48    checkpoint57g_post
49    o add Adams-Bashforth 3rd Order time stepping:
50      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
51      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
52    checkpoint57g_pre
53    
54    o make lambda[Theta,Salt]ClimRelax spatially varying
55      (default remains spatially uniform constant based on tau)
56    o added new control variables
57      * init. uVel, vVel, etanN
58      * lambda[Theta,Salt]ClimRelax
59    o separate masks used for ctrl_pack/unpack 'from write_grid' output
60      (suggested by G. Forget)
61    
62    checkpoint57f_post
63    o add parameter "baseTime" = model base time = time at iteration zero
64      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
65      account for baseTime shift
66    o move Coriolis arrays from PARAMS.h to GRID.h
67    checkpoint57f_pre
68    
69    o mnc-ifying the seaice package
70    o introduced an alternative length scale calculation for use in the limiting
71      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
72    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
73    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
74      as well as grad(vort3).  Made it compatible with both approximate form
75      for the cubed sphere and full form of these gradients.  Added flag
76      useFullLeith to select between approximate and full form.  
77    o add "d0" in getcon.F to reduce differences between compilers/platforms
78      update output.txt of exp. fizhi-gridalt-hs
79    o change port_rand funtion to allow to set the seed.
80    o fix obscure MNC bug involving conversion between reals and integers
81      - it caused no problems with certain (eg. gcc, ifc) compilers but the
82        new version is now more standards-compliant
83    o adjoint-related modifications
84      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
85      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
86      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
87    
88    checkpoint57e_post
89    o Adding eddy stress controls a la Ferreira et al.
90    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
91    
92    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
93      update output.txt of exp. fizhi-gridalt-hs
94    o add more "Z" dimensions and associated coordinate vars to MNC
95    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
96    o parameter calendarDumps: when set, approximate months (30-31 days) and years
97      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
98      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
99      months and years.  Requires pkg/cal.
100    o diagnostics: add pickup functionality
101      - off by default for backwards compatibility
102      - current version only uses MDSIO -- MNC will be added
103    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
104    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
105    
106    checkpoint57d_post
107    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
108    o modify verification/ideal_2D_oce so that it tests the creation of mnc
109      output from the diagnostics package
110    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
111    o make genmake2 more portable by using ".$FS" instead of ".f" for more
112      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
113    o add coordinate variables to the MNC output from the diagnostics package
114    o change MNC-flags default value: true when useMNC=TRUE
115    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
116      the ability (off by default) to read the grid information using MNC
117    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
118    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
119    o do snap-shot diagnostics at the middle of the time-interval (instead of
120      at the end).
121    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
122      new test for AIM with thSIce + slab-ocean
123    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
124    o move state variable diagnostics to the beginning of the time step ;
125      (note: still needs some work specially for snap-shot diagnostics)
126      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
127    
128    checkpoint57c_post
129    o Change testing option (-ieee) to get closer agreement between g77 & ifort
130    o generate new output.txt files on faulks with g77 & the new -ieee option
131    checkpoint57c_pre
132    
133    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
134      update output.txt of exp. global_ocean.90x40x15
135    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
136      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
137    o add saltFlux(+File) forcing capability with periodicExternalForcing
138    o allow to use pkg diagnostics for GM-Redi & ThSIce output
139    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
140    o improvements for the MNC output from DIAGNOSTICS:
141      - correct handling of the unlimitied dimension
142      - all dims now have associated coordinate variables
143      - variables located at U, V, and Corner ("Z") points are now written
144        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
145        *all* data points are output
146    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
147    o added pkg/seaice/seaice_monitor.F
148    o mdsio_readfield.F can now read files visible only to master MPI process.
149    o pkg/seaice: some test code for ice-modified ocean stress
150    o exf_getffields interpolation defaults to bilinear for all scalar forcing
151      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
152      spurious negative numbers for precipitation and humidity.  Will cause
153      some small numerical differences for integrations using pkg/exf/exf_interp.F.
154    o pkg/ctrl/
155      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
156        May be enabled via doPackDiag
157      *  introduce z-scaling of
158         + gradient (doZscalePack) and
159         + control (doZscaleUnpack)
160    o pkg/mdsio/
161      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
162      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
163    
164    checkpoint57b_post
165    o simplify options in diagnostics_fill arguments (remove weird combinations)
166    o fix MNC coordinate variables so that they now contain per-face index
167      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
168      general, EXCH2 grids are only aligned to a "local" coordinate system
169    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
170    o Implement instantaneous output within pkg diagnostics:
171      setting a negative frequency in data.diagnostics produces
172     "snap-shot" output (as opposed to time-average if freq > 0)
173    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
174      NOTE: change ptracer diagnostics name: use 2 characters to work with
175            more than 9 tracers. Add also diagnostics of advect & diffus flux.
176    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
177      becomes the coordinate variable for the 'T' dimension
178    o add CF-style coordinate variables to MNC
179      - just a first cut:  numbers are meaningless on the cubesphere and
180        missing along the T axis but otherwise it works!
181    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
182    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
183    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
184      this is based directly on what the model compute, so that the content of
185      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
186    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
187    o clean up build options files for SunOS, in particular
188      - remove -traditional from xmakedepend
189      - change -xarch=v9 to -xarch=native for f77
190      - restore use of make (not gmake)
191      - add CC=gcc if using g77
192    o changes per discussion of AM, JMC, & EH3 today:
193      - move redundant "grid" variables out of "state" -- in preparation of
194        creating proper CF-style coordinate variables and in recognition
195        that any/all grid variables can be easily copied (eg. w/NCO) from
196        the grid files into any of the other NetCDF files
197      - *always* output grid variables with MDSIO (this will eventually be
198        changed)
199      - output MNC grid file if useMNC is true
200    o every instance of _END_MASTER() has been found and replaced with
201      _END_MASTER( myThid ) in order to satisfy certain picky Sun
202      preprocessors
203    o re-arrange diagnostics pkg initialisation:
204     - allow each package to extend the available diagnostics list
205     - add some checking and fix small problems (multi-threaded, ...)
206     - new S/R diagnostics_fill (replace fill_diagnostics):
207       look through the short list of active diag. (instead of the long list)
208       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
209    
210    checkpoint57a_post
211    o this set of changes restores TAMC compatibility
212      tested for global_ocean.90x40x15 adjoint on trough
213      (what a pain)
214    
215    checkpoint57a_pre
216    o some modifs in tools/build_options for sunos
217    o call ctrl_pack for ctrl at end for optimcycle=0
218    
219    checkpoint57
220    o add horizontal bi-harmonic viscosity for vertical velocity
221      - new parameter viscA4W (defaults to viscA4)
222      - affects only non-hydrostatic code
223      - to be done: no-slip lateral boundary conditions
224    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
225    o implement Implicit Vertical advection for pTracers
226    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
227      (implemented also for implicit vertical diffusion & advection)
228    o OBCS: extend application of tracer open boundary conditions
229      to a strip beyond the boundary of width Olx/Oly
230    o add call monitor to TAF set of required calls (flow directives)
231      and include in natl_box_adjoint
232    o untangle a few ifdefs related to cost, ctrl, autodiff
233      untangel a few ALLOW_ECCO_OPTIMIZATION
234    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
235      (theta2, salt2 in ecco_cost_weights)
236    
237    checkpoint56c_post
238    o OBCS as control variables
239      - update ctrl_ad_diff.list, obcs_ad_diff.list
240      - remove balance of obcs controls from default
241      - fix index bug nobcs in ctrl_init
242      - fix dummy fields filen in ctrl_pack
243      - add dummy weights for obcs
244    o lsopt: comment out fort.94 output
245    o optim:
246      - remove unnecessary header files
247      - adjusted namelists
248      - add xerbla.F to Makefile
249    o exf:
250      - multiple modifications of exf_check_range
251      - unit change in exf_init_runoff from [m/year] to [m/s]
252    o mdsio:
253      - i/o-vector change debugLevel from debLevA to debLevB
254    
255    checkpoint56b_post
256    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
257      is called from DO_THE_MODEL_IO
258      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
259      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
260      - clean up PTRACERS_WRITE_TIMEAVE a little
261    o add another verification experiment that tests both the cfc-pkg and
262      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
263      reactive tendencies treated inline with regular timestepping
264    o testreport previously did a lousy job of comparing small numbers, so
265      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
266      implemented in the little c-progam tmp_cmpnum.c which is embedded in
267      testreport.
268    o ptracers_monitor: bug fix for MPI
269    
270    checkpoint56a_post
271    o GCHEM: finish reorganizating the package
272      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
273        (introduces another 3D-array for each passive tracer, but only if
274        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
275        gchemTendency is not needed because the timestep is done separately)
276      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
277      - GCHEM is now---more or less cleanly---separate from PTRACERS
278      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
279        so clear to me how that should be done in a general way.
280    o CFC: improve formatting of output in CFC_ATMOS
281    o PTRACERS:
282      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
283        that ALL experiments with ptracers enable can be checked. This makes
284        GCHEM_MONITOR obsolete.
285      - include a runtime parameter PTRACERS_monitorFreq that defaults to
286        monitorFreq
287      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
288    o add PTRACERS (PTR0[1-5]) to testreport output
289    o exf_check_range:
290      * default changed to .TRUE.
291      * will check values for niter0 if debLevA, every timestep if debLevB
292      * STOP in exf_check_range if 'out of range'
293      * range chosen generous to allow for potential extema
294      TBD: a version with stricter range
295           permitted range would be runtime parameters
296    o GMredi:
297      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
298      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
299      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
300    o GCHEM:
301      - move call to GCHEM_FORCING_SEP, so that it is now called before
302        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
303      - introduced a useGCHEM runtime flag and applied it everywhere.
304      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
305        this flag is now only visible within GCHEM-pkg routines.
306      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
307        be replaced by a 3D array that is computed before thermodynamics; for
308        this, the tracer ID iTracer had to be included into the parameter list
309        of ptracers_forcing
310      - set up forward_step to call gchem_forcing, that will replace
311        gchem_forcing_int in ptracers_forcing
312      - cleaning up
313    o small cleaning of exch2: remove files that are also in eesupp/src
314    
315    checkpoint56
316    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
317    o mnc: cleanup "full" files--fixes out-of-memory problem
318    o ECCO-GODAE
319      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
320      * fully merged and updated from SIO code
321        windstress sign change affects
322        - exf_inscal_[u/v]stress
323        - sign of xx_tau[u/v] adjustments
324        - signs in cost_scat
325      * ctrl_get_gen: avoid update of tau[u/v] for first few days
326      * natl_box_adjoint updated and compressed
327      * 2-level checkpoint switch added
328        (tested in EXP. 1 of natl_box_adjoint)
329      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
330    o SVD
331      * first complete, non-hacked version for SVD calculations
332      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
333        performed via direct access files admtlm_vector.it????
334        (via ctrl_[un]pack)
335      * optimcycle is used for ARPACK iteration counter
336        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
337      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
338        and add linear transforms where necessary
339      * controls are initial/final SST, SSS (can be extended; need to check
340        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
341    o mdsio: filename info to both stderr, stdout
342    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
343      from sign change
344    
345    checkpoint55j_post
346    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
347      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
348    o add consistent build directories and .cvsignore files to verification
349    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
350    o make all subroutines 30 or less characters in length for certain older
351      compilers to work (a thorough search only turns up two routines in
352      pkg/ptracers)
353    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
354      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
355    
356    checkpoint55i_post
357    o change arrays for total vertical diffusivity (2.D if explicit,
358      3.D if implicit) ; each ptracer uses its own background value.
359    o added mnc/NetCDF output capability to ocn_compon_interf
360      - added bits to verification/cpl_aim+ocn so that it can run on
361        ITRDA and other clusters without the mpirun "-wd" option
362    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
363      configuration
364    o give MNC the ability to create additional files rather than
365      exceeding a specified file size limit "MNC_MAX_FILESIZE"
366      - the default is just less than 2GB which is a practical limit
367        on many systems
368    o Compute the non-local term using either KPP vertical diffusivity (=default)
369       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
370    
371    checkpoint55h_post
372    o add verification test "vermix"
373    o remove all the *_ioinc flags and replace with the single global
374      outputTypesInclusive flag
375    o allow to set a vertical profile of vertical diffusivity for T & S
376    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
377    o useMNC moved from data.mnc to data.pkg
378    
379    checkpoint55g_post
380    o Renaming carbon AD experiments to comply with testreport conventions
381    o Updating adjoint of Held-Suarez hs94.1x64x5
382    o Fixing directives for non-ECCO forward_step, after ECCO directives
383      have been fixed to avoid recomp. of do_oceanic_phys
384      Works well for global_ocean.90x40x15,
385      but recomp. issue remains for carbon
386    o Updating adjoint output for natl_box_adjoint after
387      pkg/ecco has been modified (see taga c55d_post)
388    
389    checkpoint55f_post
390    o rename to timeave_init_fixed
391    
392    checkpoint55e_post
393    o some delicate re-shuffle of store directives to avoid one
394      extra call of do_oceanic_physics
395      affects ecco_the_main_loop.F, do_oceanic_physics.F
396      checkpoint_lev1_directives.h
397    o NB: this may break global_ocean adjoint temporarily,
398      but it is clear how to fix it. Will do later, need this now.
399    
400    checkpoint55d_post
401    o ECCO specific cost function terms (up-to-date with 1x1 runs)
402    o ecco_cost_weights is modified to 1x1 runs
403    o modifs to allow observations to be read in as
404      single file or yearly files
405    o enable to read exf forcing fields as either
406      single file or yearly files (flag useExfYearlyFields)
407    checkpoint55d_pre
408    
409    o switch between 2-level and 3-level checkpointing
410    o add ability of MNC to write local and "partial" (eg. 2D slices where
411      the full 3D field is never actually stored) arrays to NetCDF files
412      with the correct (that is, the complete multi-dimensional) set of
413      array indicies
414      - used in mom_vecinv() to write the diagFreq output
415      - tested (demonstrated) in verification/aim.5l_cs
416    o further mnc-ification
417      - add verification/lab_sea to the list with mnc setups
418      - fix undefined mnc v-names in cd_code
419      - add kpp to mnc output (both snapshot and timeave)
420    o non-hydrostatic code
421      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
422        in calc_gw.F
423      - defaults to viscAh
424      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
425        friction or Leith) in non-hydrostatic mode, as long as there is
426        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
427    o pkg/cost
428      extend simple cost functions to treat time mean quantities
429      (T,U,V) via cost_accumulate_state from cost_tile
430    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
431        be 2 times larger than the minimum size the advection scheme requires.
432        now get a perfect conservation of salt in advect_cs test-exp (updated)
433    o GGL90 (Gaspar's TKE mixed layer)
434      - add horizontal diffusion of TKE, requires exchanges in
435        do_fields_blocking_exchanges, horizontal diffusivity is zero by
436        default. In OPA there is no horizontal diffusion of TKE but the
437        mixing coefficients are computed from a horizontal average of TKE of
438        6 points or so. I think that diffusion has a little more physical
439        justification.
440      - clean up ggl90_calc in the hope of reducing memory usage (this hope
441        was in vain)
442      - mask tke-variable in ggl90_init
443    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
444    o fix biharmonic diffusion on CS-grid.
445    o more obcs stuff
446      - added obcs_external_fields_load as an alternative to the EXF-pkg option
447        for reading boundary values. This routine is called from
448        obcs_prescribe_read
449      - updated obcs_check
450      - changed sponge layer relaxation parameter units for days to seconds
451      - turned off sponge layer by default
452      - changed argument list of OBCS_CALC to myTime+deltaTclock
453      - fixed about 35 bugs in obcs_external_fields_load
454    
455    checkpoint55c_post
456    o obcs stuff
457      - new runtime flags useOBCSprescribe, useOBCSbalance
458      - re-arranged obcs_calc
459      - moved exf_getobcs to obcs_prescibe_read
460        obcs_prescibe_read is called after ORLANSKI stuff
461        and independent of it (executable can contain all).
462      - updated obcs_check
463      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
464        These may be necessary only if tangential velocities are
465        prescribed at OB, not sure, needs testing.
466    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
467      which simplifies the calls and passes the ifc check-bounds test
468    
469    checkpoint55b_post
470    o add a 2D scalar, Z location, exchange_2 routine.
471    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
472      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
473      affects advect_cs results (for the wrong reason): update output.txt
474    o use a more standard discretization for biharmonic viscosity ;
475     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
476      affects results of dome set-up: update output.txt
477    o fix gad_advection.F (CubedSphere part), back to version 1.23
478    o fix bug in mom_vi_del2uv.F (CubedSphere part).
479    
480    checkpoint55a_post
481    o merged code to
482      * prescribe/read time-dependent open boundaries
483        (works in conjunction with exf, cal)
484      * sponge layer code for open boundaries
485      * each boundary N/S/E/W now has its own CPP option
486        (healthy for the adjoint)
487    
488    checkpoint55
489    o up-to-date adjoint of previous breaks
490      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
491      - global_ocean_ebm: adjoint still needs fix (TLM ok)
492      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
493      - carbon: * remove tr1-related adjoint verification
494                * add ptracer as control variable
495    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
496      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
497    
498    checkpoint54f_post
499    o in verification/carbin/ remove experiment related to
500      ALLOW_PASSIVE_TRACER (array tr1 etc)
501      code_ad/ input_ad/ results_ad
502    
503    o add two new packages
504      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
505        + subject to optimization (memory)
506      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
507        + subject to reordering (many GOTOs in the original code)
508        + so far opps is called for every (i,j) point, and then operates in
509          the vertical; one may want to reorder the scheme in order operate in
510          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
511          fields)
512    o overhaul of IO so that we now have flags for MDSIO and/or MNC
513      - all verification tests compile and run with linux_ia32_g77
514      - defaults are compatible with current input files--nothing
515        should change if you were not previously using MNC
516      - MNC output has been added in numerous places (eg. timeave)
517        but there are still a few writes not yet do-able with MNC
518        (this is in progress)
519      - flags now allow for either/or/both use of MDSIO and MNC and
520        documentation will soon follow
521      - numerous small formatting cleanups for ProTeX
522    o add version info (via BUILD_INFO.h) to MNC and stdout
523    
524    checkpoint54e_post
525    o add two new packages
526      - pp81 (Packanowski and Philander, 1981), Richardson number and
527        stratification dependent mixing
528      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
529      - these scheme operate in a similar manner as KPP (without ghat, of
530        course), however there is only one diffusivity that is used for both
531        temperature and salinity (and passive tracers)ç
532    o add offline package
533    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
534      provided by Stephanie Dutkiewicz
535    o genmake2: add ability to search for C compilers and cleanup test output
536      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
537    
538    checkpoint54d_post
539    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
540    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
541      leading to additional shift by 5 days each year of integration
542       (i.e. leading to considerable offset over the years)
543    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
544    o start with no AB and no initial filtering (staggerTimeStep):
545      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
546    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
547      (external loading & cpl import/export stay in forward_step.F)
548    o update coupling interface to work with new staggerTimeStep
549    o change MDSIO ptracers_pickup.
550    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
551    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
552    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
553    
554    checkpoint54c_post
555    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
556      this affects (truncation error) output.txt of test-exp:
557       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
558    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
559    o change Qnet to always be the net heat flux, (+upward).
560      affects (truncation error) output of natl_box exp.: updated
561    o define the max number of passive tracers in PTRACERS_SIZE.h
562    o start to test mnc routinely in exp0
563    o add sea-ice loading (sIceLoad) as a new forcing field.
564    
565    checkpoint54b_post
566    o add testreport "-j JOBS" option for parallel builds (tested and pretty
567       impressive on Altix and Opteron systems)
568    o diagnostics can now write NetCDF files through the mnc package
569    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
570    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
571    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
572      affects (truncation error) output of lab_sea & natl_box exp.: updated
573    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
574    
575    checkpoint54a_post
576    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
577    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
578    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
579    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
580      + internal_wave (shift in writing cg2d_ini_res)
581    checkpoint54a_pre
582    
583    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
584      - modified verification/lab_sea and natl_box_adjoint accordingly
585    
586    checkpoint54
587    checkpoint53g_post
588    o prepare splitting of thermodynamics: store convect.counter in common block
589    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
590      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
591    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
592    o new parameter "nShapS": allow to treat differently S from T (nShapT)
593    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
594    o restore adjointability
595    
596    checkpoint53f_post
597    o modifications that affect AIM experiment results (update output.txt):
598      - no advection of S at top interface Nr (pkg/generic_advdiff)
599      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
600    o AIM pkg:
601      - include stability function into surf.Flux derivative relative to Tsurf
602      - calculate clear-sky radiation & surface temp. change (for diagnostics)
603    
604    checkpoint53e_post
605    o merged cylindrical coord configuration
606    o added rotating_tank experiment
607    checkpoint53e_pre
608    
609    checkpoint53d_post
610    o faulks upgraded: re-generate output.txt that have changed:
611       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
612    o Added Bryan and Lewis, 1979, vertical diffusivity profile
613    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
614    o added Sadourny discretization of Coriolis
615      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
616      - re-enabled use of omega3 (useAbsVorticity)
617    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
618      vector-invariant equations
619      - note: does *NOT* yet use same variable visc. for no-slip BC's.
620    o recoded the lateral boundary conditions for non-hydrostatic w, this time
621      hopefully without new bugs
622      - still to do: biharmonic friction for non-hydrostatic w
623    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
624    o regenerated output for global_ocean_ebm (using -ieee)
625    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
626      of mom_common/
627      - simple re-arrangement of instructions within computing loop
628    checkpoint53d_pre
629    
630    checkpoint53c_post
631    o new version of coupler for AIM+thSIce and Ocean models
632     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
633     - land: change Evaporation of snow
634     - aim with thSIce: fix bug in snow-precip.
635    o changes to calc_gw.F
636     - bug fix for w^2 term near the bottom boundary
637     - (hopefully) improve the lateral slip boundary condtions for use with
638        partial/looped cells
639      - because the bug fix changes two verification experiments anyway (exp5
640        and plume on slope), change the lateral boundary condition from half slip
641        to the value of no_slip_sides
642    o ebm package wasnt quite up to the parallel task. Fixed that.
643    o Adjoint of EBM package + verification
644      * TLM OK
645      * ADM not sufficient accuracy yet (needs further testing)
646    
647    checkpoint53b_post
648    o Commiting new energy balance model to repository
649      * package is pkg/ebm
650      * verif. is verification/global_ocean_ebm
651      * references are in ebm_driver.F
652    C      * X. Wang, P. Stone and J. Marotzke, 1999:
653    C        Global thermohaline circulation. Part I:
654    C        Sensitivity to atmospheric moisture transport.
655    C        J. Climate 12(1), 71-82
656    C      * X. Wang, P. Stone and J. Marotzke, 1999:
657    C        Global thermohaline circulation. Part II:
658    C        Sensitivity with interactive transport.
659    C        J. Climate 12(1), 83-91
660    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
661    C        Destabilization of the thermohaline circulation
662    C        by atmospheric eddy transports.
663    C        J. Climate 7(12), 1870-1882
664    o Will need long integration testing.
665    checkpoint53b_pre
666    
667    o created pkg/mom_common in preparation for variable viscosity code
668    o renamed and split ini_mnc_io
669    o pkg/land: only liquid water can diffuse or run-off
670    o AIM using land: soil wetness availability account for snow
671    o added printMapIncludesZeros to EEPARMS namelist
672    
673    checkpoint53a_post
674    o restore TAMC compatiility for exf_constants.h
675      (no usage of _d in .h)
676    o Additional storing in KPP in an attempt to fix
677      TAMC problem with adjoint of KPP code.
678      (no success...)
679      Identical code works fine with TAF.
680    o Fixed verification/natl_box_adjoint experiments.
681      Initial conditions for Experiments 4 and 5 are now
682      set to "SEAICE_initialHEFF=0", which is more reasonable,
683      and hence gives results closer to that of Experiment 2.
684      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
685    
686    checkpoint53
687    o stable checkpoint with up to date adjoint
688      TLM tests only run for 1st grdchk at the moment. Its unclear if
689      this is a code problem or a problem with resetting code for g_
690      variables that is being autogenerated wrong.
691      Otherwise:
692       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
693       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
694         are both still in chaos following their security messes.
695    
696    checkpoint52n_post
697    o various build (mostly genmake2) changes including:
698      - ability to build/run more easily within Cygwin and MacOS X
699      - more complicated Makefiles with a stronger dependence on Gnu Make
700    o pkg/seaice modifications
701      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
702        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
703        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
704      - changed proxy for geostrophic velocity and updated
705        verification/lab_sea/results/* accordingly
706      - removed ADI dynamic solver from pkg/seaice
707      - replaced all occurrences of 1/CSTICE or 1/CSUICE
708        they caused a segmentation fault under certain circumstances
709      - removed unused field WATR
710    o bug fix in exf-package:
711      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
712         now reflect that.
713    o small fixes in the cal-package:
714      - set reference date to first of January for the 'model'-calendar
715      - failing of cal_CheckDate in cal_FullDate now actually results in a
716        warning
717    o small modifications in exf-package to increase flexibility:
718      - change climtempfreeze from a constant to a runtime parameter that
719        is specified in data.exf_clim (default = -1.9)
720      - introduce runtime parameter windstressmax (default = 2.0) that is
721        specified in data.exf
722    o fix in pkg/thsice:
723      - update Evap (Tsf changes) to be consistent with Latent heat flux
724      - maintain snow precipitation unchanged (even if Tsf >=0).
725     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
726    
727    checkpoint52m_post
728    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
729      this does not change any of the results, because myIter=0 in swfrac always
730      lead to jwtype=2 (the default anyway), but the call makes little sense
731      as a default
732    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
733  o re-work pkg/thsice interface with ocean & bulk_force pkg to allow  o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
734    atmospheric model (AIM) to use it ; add a "slab ocean" component.    atmospheric model (AIM) to use it ; add a "slab ocean" component.
735  o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)  o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)

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