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revision 1.240 by edhill, Wed Jan 14 03:49:57 2004 UTC revision 1.501 by jmc, Mon Jun 20 00:32:18 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 fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
8      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
9         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
10    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
11     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
12    
13    checkpoint57i_post
14    o Diagnostics package was changed: diagnostic allocation is now deactivated
15      by setting an empty file name in the namelist (used to be by setting 0 frequency)
16    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
17      add 1rst Order upwind vertical Shear.
18    o add a quick fix for A/B checkpointing in OFFLINE mode
19    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
20      end-run around the C/Fortran linking horror in eesup/src/timers.F
21    o added pkg/runclock: allows user to terminate run based on wall clock
22    o added non-hydrostatic scaling parameter: nh_am2
23    o pkg/my82: futile attempt to make results compiler-independent by adding
24      some "_d 0", etc. no effect.
25    o for mnc output, fill the 'T' coordinate var with myTime and create a
26      separate 'iter' variable for iteration count
27    o pkg/diagnostics:
28      add new capability: output of Global/Regional & per-level statistics ;
29      tested against monitor output (including land & thSIce) on various exp.
30    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
31    
32    checkpoint57h_done
33      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
34      data.diagnostics, data.gchem, data.ptracers) is done.
35    
36    o pkg/diagnostics: prepare for Global/Regional statistics.
37      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
38    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
39      and rename it: DIFFERENT_MULTIPLE
40    
41    checkpoint57h_post
42    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
43    o pkg/diagnostics: change output frequency, now in seconds (instead
44      of Nb of iterations). This requires to change data.diagnostics.
45    checkpoint57h_pre
46    
47    o in mnc, let the user create the output dir if both mnc_outdir_date
48      and mnc_outdir_num are false
49    o add fflags() to pkg/diagnostics which allows one to specify, on a
50      per-file basis, the file precision [default behavior is unchanged]
51    o added diagnostics to pkg/kpp, including computation of mixed layer
52      depth based on a temperature/density criterion
53    o updated verification/natl_box to test the new pkg/kpp diagnostics
54    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
55    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
56    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
57      not mnc -- this mistake was found by JMC and is now corrected
58    
59    checkpoint57g_post
60    o add Adams-Bashforth 3rd Order time stepping:
61      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
62      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
63    checkpoint57g_pre
64    
65    o make lambda[Theta,Salt]ClimRelax spatially varying
66      (default remains spatially uniform constant based on tau)
67    o added new control variables
68      * init. uVel, vVel, etanN
69      * lambda[Theta,Salt]ClimRelax
70    o separate masks used for ctrl_pack/unpack 'from write_grid' output
71      (suggested by G. Forget)
72    
73    checkpoint57f_post
74    o add parameter "baseTime" = model base time = time at iteration zero
75      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
76      account for baseTime shift
77    o move Coriolis arrays from PARAMS.h to GRID.h
78    checkpoint57f_pre
79    
80    o mnc-ifying the seaice package
81    o introduced an alternative length scale calculation for use in the limiting
82      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
83    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
84    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
85      as well as grad(vort3).  Made it compatible with both approximate form
86      for the cubed sphere and full form of these gradients.  Added flag
87      useFullLeith to select between approximate and full form.  
88    o add "d0" in getcon.F to reduce differences between compilers/platforms
89      update output.txt of exp. fizhi-gridalt-hs
90    o change port_rand funtion to allow to set the seed.
91    o fix obscure MNC bug involving conversion between reals and integers
92      - it caused no problems with certain (eg. gcc, ifc) compilers but the
93        new version is now more standards-compliant
94    o adjoint-related modifications
95      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
96      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
97      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
98    
99    checkpoint57e_post
100    o Adding eddy stress controls a la Ferreira et al.
101    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
102    
103    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
104      update output.txt of exp. fizhi-gridalt-hs
105    o add more "Z" dimensions and associated coordinate vars to MNC
106    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
107    o parameter calendarDumps: when set, approximate months (30-31 days) and years
108      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
109      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
110      months and years.  Requires pkg/cal.
111    o diagnostics: add pickup functionality
112      - off by default for backwards compatibility
113      - current version only uses MDSIO -- MNC will be added
114    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
115    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
116    
117    checkpoint57d_post
118    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
119    o modify verification/ideal_2D_oce so that it tests the creation of mnc
120      output from the diagnostics package
121    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
122    o make genmake2 more portable by using ".$FS" instead of ".f" for more
123      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
124    o add coordinate variables to the MNC output from the diagnostics package
125    o change MNC-flags default value: true when useMNC=TRUE
126    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
127      the ability (off by default) to read the grid information using MNC
128    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
129    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
130    o do snap-shot diagnostics at the middle of the time-interval (instead of
131      at the end).
132    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
133      new test for AIM with thSIce + slab-ocean
134    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
135    o move state variable diagnostics to the beginning of the time step ;
136      (note: still needs some work specially for snap-shot diagnostics)
137      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
138    
139    checkpoint57c_post
140    o Change testing option (-ieee) to get closer agreement between g77 & ifort
141    o generate new output.txt files on faulks with g77 & the new -ieee option
142    checkpoint57c_pre
143    
144    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
145      update output.txt of exp. global_ocean.90x40x15
146    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
147      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
148    o add saltFlux(+File) forcing capability with periodicExternalForcing
149    o allow to use pkg diagnostics for GM-Redi & ThSIce output
150    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
151    o improvements for the MNC output from DIAGNOSTICS:
152      - correct handling of the unlimitied dimension
153      - all dims now have associated coordinate variables
154      - variables located at U, V, and Corner ("Z") points are now written
155        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
156        *all* data points are output
157    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
158    o added pkg/seaice/seaice_monitor.F
159    o mdsio_readfield.F can now read files visible only to master MPI process.
160    o pkg/seaice: some test code for ice-modified ocean stress
161    o exf_getffields interpolation defaults to bilinear for all scalar forcing
162      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
163      spurious negative numbers for precipitation and humidity.  Will cause
164      some small numerical differences for integrations using pkg/exf/exf_interp.F.
165    o pkg/ctrl/
166      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
167        May be enabled via doPackDiag
168      *  introduce z-scaling of
169         + gradient (doZscalePack) and
170         + control (doZscaleUnpack)
171    o pkg/mdsio/
172      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
173      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
174    
175    checkpoint57b_post
176    o simplify options in diagnostics_fill arguments (remove weird combinations)
177    o fix MNC coordinate variables so that they now contain per-face index
178      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
179      general, EXCH2 grids are only aligned to a "local" coordinate system
180    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
181    o Implement instantaneous output within pkg diagnostics:
182      setting a negative frequency in data.diagnostics produces
183     "snap-shot" output (as opposed to time-average if freq > 0)
184    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
185      NOTE: change ptracer diagnostics name: use 2 characters to work with
186            more than 9 tracers. Add also diagnostics of advect & diffus flux.
187    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
188      becomes the coordinate variable for the 'T' dimension
189    o add CF-style coordinate variables to MNC
190      - just a first cut:  numbers are meaningless on the cubesphere and
191        missing along the T axis but otherwise it works!
192    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
193    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
194    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
195      this is based directly on what the model compute, so that the content of
196      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
197    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
198    o clean up build options files for SunOS, in particular
199      - remove -traditional from xmakedepend
200      - change -xarch=v9 to -xarch=native for f77
201      - restore use of make (not gmake)
202      - add CC=gcc if using g77
203    o changes per discussion of AM, JMC, & EH3 today:
204      - move redundant "grid" variables out of "state" -- in preparation of
205        creating proper CF-style coordinate variables and in recognition
206        that any/all grid variables can be easily copied (eg. w/NCO) from
207        the grid files into any of the other NetCDF files
208      - *always* output grid variables with MDSIO (this will eventually be
209        changed)
210      - output MNC grid file if useMNC is true
211    o every instance of _END_MASTER() has been found and replaced with
212      _END_MASTER( myThid ) in order to satisfy certain picky Sun
213      preprocessors
214    o re-arrange diagnostics pkg initialisation:
215     - allow each package to extend the available diagnostics list
216     - add some checking and fix small problems (multi-threaded, ...)
217     - new S/R diagnostics_fill (replace fill_diagnostics):
218       look through the short list of active diag. (instead of the long list)
219       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
220    
221    checkpoint57a_post
222    o this set of changes restores TAMC compatibility
223      tested for global_ocean.90x40x15 adjoint on trough
224      (what a pain)
225    
226    checkpoint57a_pre
227    o some modifs in tools/build_options for sunos
228    o call ctrl_pack for ctrl at end for optimcycle=0
229    
230    checkpoint57
231    o add horizontal bi-harmonic viscosity for vertical velocity
232      - new parameter viscA4W (defaults to viscA4)
233      - affects only non-hydrostatic code
234      - to be done: no-slip lateral boundary conditions
235    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
236    o implement Implicit Vertical advection for pTracers
237    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
238      (implemented also for implicit vertical diffusion & advection)
239    o OBCS: extend application of tracer open boundary conditions
240      to a strip beyond the boundary of width Olx/Oly
241    o add call monitor to TAF set of required calls (flow directives)
242      and include in natl_box_adjoint
243    o untangle a few ifdefs related to cost, ctrl, autodiff
244      untangel a few ALLOW_ECCO_OPTIMIZATION
245    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
246      (theta2, salt2 in ecco_cost_weights)
247    
248    checkpoint56c_post
249    o OBCS as control variables
250      - update ctrl_ad_diff.list, obcs_ad_diff.list
251      - remove balance of obcs controls from default
252      - fix index bug nobcs in ctrl_init
253      - fix dummy fields filen in ctrl_pack
254      - add dummy weights for obcs
255    o lsopt: comment out fort.94 output
256    o optim:
257      - remove unnecessary header files
258      - adjusted namelists
259      - add xerbla.F to Makefile
260    o exf:
261      - multiple modifications of exf_check_range
262      - unit change in exf_init_runoff from [m/year] to [m/s]
263    o mdsio:
264      - i/o-vector change debugLevel from debLevA to debLevB
265    
266    checkpoint56b_post
267    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
268      is called from DO_THE_MODEL_IO
269      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
270      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
271      - clean up PTRACERS_WRITE_TIMEAVE a little
272    o add another verification experiment that tests both the cfc-pkg and
273      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
274      reactive tendencies treated inline with regular timestepping
275    o testreport previously did a lousy job of comparing small numbers, so
276      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
277      implemented in the little c-progam tmp_cmpnum.c which is embedded in
278      testreport.
279    o ptracers_monitor: bug fix for MPI
280    
281    checkpoint56a_post
282    o GCHEM: finish reorganizating the package
283      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
284        (introduces another 3D-array for each passive tracer, but only if
285        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
286        gchemTendency is not needed because the timestep is done separately)
287      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
288      - GCHEM is now---more or less cleanly---separate from PTRACERS
289      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
290        so clear to me how that should be done in a general way.
291    o CFC: improve formatting of output in CFC_ATMOS
292    o PTRACERS:
293      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
294        that ALL experiments with ptracers enable can be checked. This makes
295        GCHEM_MONITOR obsolete.
296      - include a runtime parameter PTRACERS_monitorFreq that defaults to
297        monitorFreq
298      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
299    o add PTRACERS (PTR0[1-5]) to testreport output
300    o exf_check_range:
301      * default changed to .TRUE.
302      * will check values for niter0 if debLevA, every timestep if debLevB
303      * STOP in exf_check_range if 'out of range'
304      * range chosen generous to allow for potential extema
305      TBD: a version with stricter range
306           permitted range would be runtime parameters
307    o GMredi:
308      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
309      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
310      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
311    o GCHEM:
312      - move call to GCHEM_FORCING_SEP, so that it is now called before
313        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
314      - introduced a useGCHEM runtime flag and applied it everywhere.
315      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
316        this flag is now only visible within GCHEM-pkg routines.
317      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
318        be replaced by a 3D array that is computed before thermodynamics; for
319        this, the tracer ID iTracer had to be included into the parameter list
320        of ptracers_forcing
321      - set up forward_step to call gchem_forcing, that will replace
322        gchem_forcing_int in ptracers_forcing
323      - cleaning up
324    o small cleaning of exch2: remove files that are also in eesupp/src
325    
326    checkpoint56
327    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
328    o mnc: cleanup "full" files--fixes out-of-memory problem
329    o ECCO-GODAE
330      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
331      * fully merged and updated from SIO code
332        windstress sign change affects
333        - exf_inscal_[u/v]stress
334        - sign of xx_tau[u/v] adjustments
335        - signs in cost_scat
336      * ctrl_get_gen: avoid update of tau[u/v] for first few days
337      * natl_box_adjoint updated and compressed
338      * 2-level checkpoint switch added
339        (tested in EXP. 1 of natl_box_adjoint)
340      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
341    o SVD
342      * first complete, non-hacked version for SVD calculations
343      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
344        performed via direct access files admtlm_vector.it????
345        (via ctrl_[un]pack)
346      * optimcycle is used for ARPACK iteration counter
347        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
348      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
349        and add linear transforms where necessary
350      * controls are initial/final SST, SSS (can be extended; need to check
351        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
352    o mdsio: filename info to both stderr, stdout
353    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
354      from sign change
355    
356    checkpoint55j_post
357    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
358      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
359    o add consistent build directories and .cvsignore files to verification
360    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
361    o make all subroutines 30 or less characters in length for certain older
362      compilers to work (a thorough search only turns up two routines in
363      pkg/ptracers)
364    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
365      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
366    
367    checkpoint55i_post
368    o change arrays for total vertical diffusivity (2.D if explicit,
369      3.D if implicit) ; each ptracer uses its own background value.
370    o added mnc/NetCDF output capability to ocn_compon_interf
371      - added bits to verification/cpl_aim+ocn so that it can run on
372        ITRDA and other clusters without the mpirun "-wd" option
373    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
374      configuration
375    o give MNC the ability to create additional files rather than
376      exceeding a specified file size limit "MNC_MAX_FILESIZE"
377      - the default is just less than 2GB which is a practical limit
378        on many systems
379    o Compute the non-local term using either KPP vertical diffusivity (=default)
380       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
381    
382    checkpoint55h_post
383    o add verification test "vermix"
384    o remove all the *_ioinc flags and replace with the single global
385      outputTypesInclusive flag
386    o allow to set a vertical profile of vertical diffusivity for T & S
387    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
388    o useMNC moved from data.mnc to data.pkg
389    
390    checkpoint55g_post
391    o Renaming carbon AD experiments to comply with testreport conventions
392    o Updating adjoint of Held-Suarez hs94.1x64x5
393    o Fixing directives for non-ECCO forward_step, after ECCO directives
394      have been fixed to avoid recomp. of do_oceanic_phys
395      Works well for global_ocean.90x40x15,
396      but recomp. issue remains for carbon
397    o Updating adjoint output for natl_box_adjoint after
398      pkg/ecco has been modified (see taga c55d_post)
399    
400    checkpoint55f_post
401    o rename to timeave_init_fixed
402    
403    checkpoint55e_post
404    o some delicate re-shuffle of store directives to avoid one
405      extra call of do_oceanic_physics
406      affects ecco_the_main_loop.F, do_oceanic_physics.F
407      checkpoint_lev1_directives.h
408    o NB: this may break global_ocean adjoint temporarily,
409      but it is clear how to fix it. Will do later, need this now.
410    
411    checkpoint55d_post
412    o ECCO specific cost function terms (up-to-date with 1x1 runs)
413    o ecco_cost_weights is modified to 1x1 runs
414    o modifs to allow observations to be read in as
415      single file or yearly files
416    o enable to read exf forcing fields as either
417      single file or yearly files (flag useExfYearlyFields)
418    checkpoint55d_pre
419    
420    o switch between 2-level and 3-level checkpointing
421    o add ability of MNC to write local and "partial" (eg. 2D slices where
422      the full 3D field is never actually stored) arrays to NetCDF files
423      with the correct (that is, the complete multi-dimensional) set of
424      array indicies
425      - used in mom_vecinv() to write the diagFreq output
426      - tested (demonstrated) in verification/aim.5l_cs
427    o further mnc-ification
428      - add verification/lab_sea to the list with mnc setups
429      - fix undefined mnc v-names in cd_code
430      - add kpp to mnc output (both snapshot and timeave)
431    o non-hydrostatic code
432      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
433        in calc_gw.F
434      - defaults to viscAh
435      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
436        friction or Leith) in non-hydrostatic mode, as long as there is
437        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
438    o pkg/cost
439      extend simple cost functions to treat time mean quantities
440      (T,U,V) via cost_accumulate_state from cost_tile
441    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
442        be 2 times larger than the minimum size the advection scheme requires.
443        now get a perfect conservation of salt in advect_cs test-exp (updated)
444    o GGL90 (Gaspar's TKE mixed layer)
445      - add horizontal diffusion of TKE, requires exchanges in
446        do_fields_blocking_exchanges, horizontal diffusivity is zero by
447        default. In OPA there is no horizontal diffusion of TKE but the
448        mixing coefficients are computed from a horizontal average of TKE of
449        6 points or so. I think that diffusion has a little more physical
450        justification.
451      - clean up ggl90_calc in the hope of reducing memory usage (this hope
452        was in vain)
453      - mask tke-variable in ggl90_init
454    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
455    o fix biharmonic diffusion on CS-grid.
456    o more obcs stuff
457      - added obcs_external_fields_load as an alternative to the EXF-pkg option
458        for reading boundary values. This routine is called from
459        obcs_prescribe_read
460      - updated obcs_check
461      - changed sponge layer relaxation parameter units for days to seconds
462      - turned off sponge layer by default
463      - changed argument list of OBCS_CALC to myTime+deltaTclock
464      - fixed about 35 bugs in obcs_external_fields_load
465    
466    checkpoint55c_post
467    o obcs stuff
468      - new runtime flags useOBCSprescribe, useOBCSbalance
469      - re-arranged obcs_calc
470      - moved exf_getobcs to obcs_prescibe_read
471        obcs_prescibe_read is called after ORLANSKI stuff
472        and independent of it (executable can contain all).
473      - updated obcs_check
474      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
475        These may be necessary only if tangential velocities are
476        prescribed at OB, not sure, needs testing.
477    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
478      which simplifies the calls and passes the ifc check-bounds test
479    
480    checkpoint55b_post
481    o add a 2D scalar, Z location, exchange_2 routine.
482    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
483      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
484      affects advect_cs results (for the wrong reason): update output.txt
485    o use a more standard discretization for biharmonic viscosity ;
486     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
487      affects results of dome set-up: update output.txt
488    o fix gad_advection.F (CubedSphere part), back to version 1.23
489    o fix bug in mom_vi_del2uv.F (CubedSphere part).
490    
491    checkpoint55a_post
492    o merged code to
493      * prescribe/read time-dependent open boundaries
494        (works in conjunction with exf, cal)
495      * sponge layer code for open boundaries
496      * each boundary N/S/E/W now has its own CPP option
497        (healthy for the adjoint)
498    
499    checkpoint55
500    o up-to-date adjoint of previous breaks
501      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
502      - global_ocean_ebm: adjoint still needs fix (TLM ok)
503      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
504      - carbon: * remove tr1-related adjoint verification
505                * add ptracer as control variable
506    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
507      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
508    
509    checkpoint54f_post
510    o in verification/carbin/ remove experiment related to
511      ALLOW_PASSIVE_TRACER (array tr1 etc)
512      code_ad/ input_ad/ results_ad
513    
514    o add two new packages
515      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
516        + subject to optimization (memory)
517      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
518        + subject to reordering (many GOTOs in the original code)
519        + so far opps is called for every (i,j) point, and then operates in
520          the vertical; one may want to reorder the scheme in order operate in
521          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
522          fields)
523    o overhaul of IO so that we now have flags for MDSIO and/or MNC
524      - all verification tests compile and run with linux_ia32_g77
525      - defaults are compatible with current input files--nothing
526        should change if you were not previously using MNC
527      - MNC output has been added in numerous places (eg. timeave)
528        but there are still a few writes not yet do-able with MNC
529        (this is in progress)
530      - flags now allow for either/or/both use of MDSIO and MNC and
531        documentation will soon follow
532      - numerous small formatting cleanups for ProTeX
533    o add version info (via BUILD_INFO.h) to MNC and stdout
534    
535    checkpoint54e_post
536    o add two new packages
537      - pp81 (Packanowski and Philander, 1981), Richardson number and
538        stratification dependent mixing
539      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
540      - these scheme operate in a similar manner as KPP (without ghat, of
541        course), however there is only one diffusivity that is used for both
542        temperature and salinity (and passive tracers)ç
543    o add offline package
544    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
545      provided by Stephanie Dutkiewicz
546    o genmake2: add ability to search for C compilers and cleanup test output
547      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
548    
549    checkpoint54d_post
550    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
551    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
552      leading to additional shift by 5 days each year of integration
553       (i.e. leading to considerable offset over the years)
554    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
555    o start with no AB and no initial filtering (staggerTimeStep):
556      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
557    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
558      (external loading & cpl import/export stay in forward_step.F)
559    o update coupling interface to work with new staggerTimeStep
560    o change MDSIO ptracers_pickup.
561    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
562    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
563    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
564    
565    checkpoint54c_post
566    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
567      this affects (truncation error) output.txt of test-exp:
568       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
569    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
570    o change Qnet to always be the net heat flux, (+upward).
571      affects (truncation error) output of natl_box exp.: updated
572    o define the max number of passive tracers in PTRACERS_SIZE.h
573    o start to test mnc routinely in exp0
574    o add sea-ice loading (sIceLoad) as a new forcing field.
575    
576    checkpoint54b_post
577    o add testreport "-j JOBS" option for parallel builds (tested and pretty
578       impressive on Altix and Opteron systems)
579    o diagnostics can now write NetCDF files through the mnc package
580    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
581    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
582    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
583      affects (truncation error) output of lab_sea & natl_box exp.: updated
584    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
585    
586    checkpoint54a_post
587    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
588    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
589    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
590    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
591      + internal_wave (shift in writing cg2d_ini_res)
592    checkpoint54a_pre
593    
594    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
595      - modified verification/lab_sea and natl_box_adjoint accordingly
596    
597    checkpoint54
598    checkpoint53g_post
599    o prepare splitting of thermodynamics: store convect.counter in common block
600    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
601      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
602    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
603    o new parameter "nShapS": allow to treat differently S from T (nShapT)
604    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
605    o restore adjointability
606    
607    checkpoint53f_post
608    o modifications that affect AIM experiment results (update output.txt):
609      - no advection of S at top interface Nr (pkg/generic_advdiff)
610      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
611    o AIM pkg:
612      - include stability function into surf.Flux derivative relative to Tsurf
613      - calculate clear-sky radiation & surface temp. change (for diagnostics)
614    
615    checkpoint53e_post
616    o merged cylindrical coord configuration
617    o added rotating_tank experiment
618    checkpoint53e_pre
619    
620    checkpoint53d_post
621    o faulks upgraded: re-generate output.txt that have changed:
622       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
623    o Added Bryan and Lewis, 1979, vertical diffusivity profile
624    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
625    o added Sadourny discretization of Coriolis
626      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
627      - re-enabled use of omega3 (useAbsVorticity)
628    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
629      vector-invariant equations
630      - note: does *NOT* yet use same variable visc. for no-slip BC's.
631    o recoded the lateral boundary conditions for non-hydrostatic w, this time
632      hopefully without new bugs
633      - still to do: biharmonic friction for non-hydrostatic w
634    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
635    o regenerated output for global_ocean_ebm (using -ieee)
636    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
637      of mom_common/
638      - simple re-arrangement of instructions within computing loop
639    checkpoint53d_pre
640    
641    checkpoint53c_post
642    o new version of coupler for AIM+thSIce and Ocean models
643     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
644     - land: change Evaporation of snow
645     - aim with thSIce: fix bug in snow-precip.
646    o changes to calc_gw.F
647     - bug fix for w^2 term near the bottom boundary
648     - (hopefully) improve the lateral slip boundary condtions for use with
649        partial/looped cells
650      - because the bug fix changes two verification experiments anyway (exp5
651        and plume on slope), change the lateral boundary condition from half slip
652        to the value of no_slip_sides
653    o ebm package wasnt quite up to the parallel task. Fixed that.
654    o Adjoint of EBM package + verification
655      * TLM OK
656      * ADM not sufficient accuracy yet (needs further testing)
657    
658    checkpoint53b_post
659    o Commiting new energy balance model to repository
660      * package is pkg/ebm
661      * verif. is verification/global_ocean_ebm
662      * references are in ebm_driver.F
663    C      * X. Wang, P. Stone and J. Marotzke, 1999:
664    C        Global thermohaline circulation. Part I:
665    C        Sensitivity to atmospheric moisture transport.
666    C        J. Climate 12(1), 71-82
667    C      * X. Wang, P. Stone and J. Marotzke, 1999:
668    C        Global thermohaline circulation. Part II:
669    C        Sensitivity with interactive transport.
670    C        J. Climate 12(1), 83-91
671    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
672    C        Destabilization of the thermohaline circulation
673    C        by atmospheric eddy transports.
674    C        J. Climate 7(12), 1870-1882
675    o Will need long integration testing.
676    checkpoint53b_pre
677    
678    o created pkg/mom_common in preparation for variable viscosity code
679    o renamed and split ini_mnc_io
680    o pkg/land: only liquid water can diffuse or run-off
681    o AIM using land: soil wetness availability account for snow
682    o added printMapIncludesZeros to EEPARMS namelist
683    
684    checkpoint53a_post
685    o restore TAMC compatiility for exf_constants.h
686      (no usage of _d in .h)
687    o Additional storing in KPP in an attempt to fix
688      TAMC problem with adjoint of KPP code.
689      (no success...)
690      Identical code works fine with TAF.
691    o Fixed verification/natl_box_adjoint experiments.
692      Initial conditions for Experiments 4 and 5 are now
693      set to "SEAICE_initialHEFF=0", which is more reasonable,
694      and hence gives results closer to that of Experiment 2.
695      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
696    
697    checkpoint53
698    o stable checkpoint with up to date adjoint
699      TLM tests only run for 1st grdchk at the moment. Its unclear if
700      this is a code problem or a problem with resetting code for g_
701      variables that is being autogenerated wrong.
702      Otherwise:
703       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
704       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
705         are both still in chaos following their security messes.
706    
707    checkpoint52n_post
708    o various build (mostly genmake2) changes including:
709      - ability to build/run more easily within Cygwin and MacOS X
710      - more complicated Makefiles with a stronger dependence on Gnu Make
711    o pkg/seaice modifications
712      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
713        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
714        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
715      - changed proxy for geostrophic velocity and updated
716        verification/lab_sea/results/* accordingly
717      - removed ADI dynamic solver from pkg/seaice
718      - replaced all occurrences of 1/CSTICE or 1/CSUICE
719        they caused a segmentation fault under certain circumstances
720      - removed unused field WATR
721    o bug fix in exf-package:
722      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
723         now reflect that.
724    o small fixes in the cal-package:
725      - set reference date to first of January for the 'model'-calendar
726      - failing of cal_CheckDate in cal_FullDate now actually results in a
727        warning
728    o small modifications in exf-package to increase flexibility:
729      - change climtempfreeze from a constant to a runtime parameter that
730        is specified in data.exf_clim (default = -1.9)
731      - introduce runtime parameter windstressmax (default = 2.0) that is
732        specified in data.exf
733    o fix in pkg/thsice:
734      - update Evap (Tsf changes) to be consistent with Latent heat flux
735      - maintain snow precipitation unchanged (even if Tsf >=0).
736     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
737    
738    checkpoint52m_post
739    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
740      this does not change any of the results, because myIter=0 in swfrac always
741      lead to jwtype=2 (the default anyway), but the call makes little sense
742      as a default
743    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
744    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
745      atmospheric model (AIM) to use it ; add a "slab ocean" component.
746    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
747    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
748    o extending useSingleCpuIO option to work with new exch2 I/O format
749      - old-style, missing-tile I/O is still accessible by defining CPP
750        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
751    o monitor package can write to NetCDF files and/or STDOUT
752    o fix re-definition bug in MNC_GRID_INIT_ALL()
753    o doc/api_reference added
754      - a framework for building an API Reference Manual using all
755        the "protex" comments embedded in the code
756      - see pkg/generic_advdiff, pkg/mnc for examples
757    o MNC:
758      - make myThid the last argument for all subroutines
759      - new default for the grid files: NO halos
760      - add useMNC and other run-time flags
761      - separate per-file-group handling of the unlimited dimension
762      - early initialization of MNC w/ flags read at the eeboot stage
763        and lookup tables set in initialize_fixed
764      - write all MNC output to a freshly-created directory
765    o thermodynamics sea-ice (thsice) is now tested with testreport.
766    o test exp. advect_cs: use the standard cs32 grid ; update output.
767    o Added functionality to grdchk:
768      pick global i,j,k position (or nearest wet) where to perform check.
769    
770    checkpoint52l_post
771    o new land formulation:
772      a) use ground enthalpy as prognostic variable to ensure exact
773         energy conservation.
774      b) account for water temperature and for latent heat of freezing
775         in all processes (rain, run-off, ground storage)
776      c) compute surface and ground temperature implicitly.
777    o aim_v23 modification for new land model:
778      a) Treat separately land / ocean / sea-ice surface fluxes
779         to allow implicit computation of land & sea-ice surface temp.
780      b) add snow precipitation.
781    checkpoint52l_pre
782    
783    o fix problem (when 1 tile is empty) in min/max monitor.
784    o fix bug in timeAve (u,vZetatave in common block)
785    o no restoring terms under ice for pkg/seaice
786    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
787    o bug fix for pkg/seaice pickups
788    o change MNC call locations and add coordinate attributes
789    o mask vorticity at the corner ; affects global_ocean.cs output
790    o fix ini_curvilinear_grid ; test CS experiments with mpi
791    o aim.5l_cs: modify sea-ice fraction input file ; update output
792    o exf: Adding simple range check routine for exf fields after read
793    
794    checkpoint52k_post
795    o removed top-level directory "diags"
796      - we migrated these functions to pkg/timeave a long time ago
797    o fixed bug introduced in pkg/monitor
798    o accuracy ctrlprec = 32 insuffient for gradient checks using
799      averaged fields (I/O via cost_averages)
800      -> use ctrl.h in active_file*.F to control I/O precision.
801    o paramter list of CALL ADTHE_MAIN_LOOP
802    o added initial do_the_model_io to ecco
803    o set all ...Freq to zero after cost_final
804      taveFreq, dumpFreq, pChkptFreq
805    o MAIN and ECCO differentiability restored
806    
807    checkpoint52j_post
808    o fix nchklev in tamc.h for global_ocean...
809    o Bringing flow and store directives up-to-date
810    o Really weird thing!
811      call do_the_model_io from the_main_loop with parameters
812      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
813      TAF places a faulty re-call of initialise_varia
814      after cost_final call which should not be there!
815    checkpoint52j_pre
816    
817    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
818      error messages
819    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
820    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
821      debug output
822    o modfied mdsio_writefield.F to handle non-global files under exch2
823    o update AIM Cubed-Sphere exp (aim.5l_cs):
824      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
825    o update AIM Equatorial Channel exp:
826      use standard aim_v23 pkg and change the SST fields to be more realistic.
827    o globalFile now works with exch2
828    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
829      mon_vort3.F to make exch2 friendly with >1 tile per cube face
830    o limit timeave output for hi-res integrations
831    
832    checkpoint52i_post
833    o removed CPP_EEOPTIONS.h from verification/*/code
834    o updated the tiling for global_ocean_pressure
835    checkpoint52i_pre
836    
837    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
838      the old pkg/aim).
839    
840    checkpoint52h_pre
841    o shortened offending lines in exch2_send_rx?.template
842    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
843  o genmake2: add build & execute test for NetCDF code  o genmake2: add build & execute test for NetCDF code
844  o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed  o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
845    old grid files, moved CPP_EEMACROS.h to pkg/exch2    old grid files, moved CPP_EEMACROS.h to pkg/exch2
846  o added useSingleCPUIO flag to monitor.F and mon_out.F  o added useSingleCPUIO flag to monitor.F and mon_out.F
847    o added temporary hack for sea-ice dynamics on the cube:
848      metric terms are ignored and it is assumed that
849      there is no sea-ice on cube faces 1, 2, 4, and 5.
850    
851  checkpoint52f_post  checkpoint52f_post
852  o added exch2 cube routines to pkg/exch2  o added exch2 cube routines to pkg/exch2

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