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revision 1.127 by adcroft, Thu Jan 30 18:35:42 2003 UTC revision 1.497 by molod, Wed Jun 15 16:01:14 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 Diagnostics package was changed: diagnostic allocation is now deactivated
8      by setting an empty file name in the namelist (used to be by setting 0 frequency)
9    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
10      add 1rst Order upwind vertical Shear.
11    o add a quick fix for A/B checkpointing in OFFLINE mode
12    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
13      end-run around the C/Fortran linking horror in eesup/src/timers.F
14    o added pkg/runclock: allows user to terminate run based on wall clock
15    o added non-hydrostatic scaling parameter: nh_am2
16    o pkg/my82: futile attempt to make results compiler-independent by adding
17      some "_d 0", etc. no effect.
18    o for mnc output, fill the 'T' coordinate var with myTime and create a
19      separate 'iter' variable for iteration count
20    o pkg/diagnostics:
21      add new capability: output of Global/Regional & per-level statistics ;
22      tested against monitor output (including land & thSIce) on various exp.
23    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
24    
25    checkpoint57h_done
26      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
27      data.diagnostics, data.gchem, data.ptracers) is done.
28    
29    o pkg/diagnostics: prepare for Global/Regional statistics.
30      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
31    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
32      and rename it: DIFFERENT_MULTIPLE
33    
34    checkpoint57h_post
35    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
36    o pkg/diagnostics: change output frequency, now in seconds (instead
37      of Nb of iterations). This requires to change data.diagnostics.
38    checkpoint57h_pre
39    
40    o in mnc, let the user create the output dir if both mnc_outdir_date
41      and mnc_outdir_num are false
42    o add fflags() to pkg/diagnostics which allows one to specify, on a
43      per-file basis, the file precision [default behavior is unchanged]
44    o added diagnostics to pkg/kpp, including computation of mixed layer
45      depth based on a temperature/density criterion
46    o updated verification/natl_box to test the new pkg/kpp diagnostics
47    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
48    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
49    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
50      not mnc -- this mistake was found by JMC and is now corrected
51    
52    checkpoint57g_post
53    o add Adams-Bashforth 3rd Order time stepping:
54      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
55      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
56    checkpoint57g_pre
57    
58    o make lambda[Theta,Salt]ClimRelax spatially varying
59      (default remains spatially uniform constant based on tau)
60    o added new control variables
61      * init. uVel, vVel, etanN
62      * lambda[Theta,Salt]ClimRelax
63    o separate masks used for ctrl_pack/unpack 'from write_grid' output
64      (suggested by G. Forget)
65    
66    checkpoint57f_post
67    o add parameter "baseTime" = model base time = time at iteration zero
68      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
69      account for baseTime shift
70    o move Coriolis arrays from PARAMS.h to GRID.h
71    checkpoint57f_pre
72    
73    o mnc-ifying the seaice package
74    o introduced an alternative length scale calculation for use in the limiting
75      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
76    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
77    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
78      as well as grad(vort3).  Made it compatible with both approximate form
79      for the cubed sphere and full form of these gradients.  Added flag
80      useFullLeith to select between approximate and full form.  
81    o add "d0" in getcon.F to reduce differences between compilers/platforms
82      update output.txt of exp. fizhi-gridalt-hs
83    o change port_rand funtion to allow to set the seed.
84    o fix obscure MNC bug involving conversion between reals and integers
85      - it caused no problems with certain (eg. gcc, ifc) compilers but the
86        new version is now more standards-compliant
87    o adjoint-related modifications
88      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
89      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
90      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
91    
92    checkpoint57e_post
93    o Adding eddy stress controls a la Ferreira et al.
94    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
95    
96    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
97      update output.txt of exp. fizhi-gridalt-hs
98    o add more "Z" dimensions and associated coordinate vars to MNC
99    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
100    o parameter calendarDumps: when set, approximate months (30-31 days) and years
101      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
102      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
103      months and years.  Requires pkg/cal.
104    o diagnostics: add pickup functionality
105      - off by default for backwards compatibility
106      - current version only uses MDSIO -- MNC will be added
107    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
108    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
109    
110    checkpoint57d_post
111    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
112    o modify verification/ideal_2D_oce so that it tests the creation of mnc
113      output from the diagnostics package
114    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
115    o make genmake2 more portable by using ".$FS" instead of ".f" for more
116      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
117    o add coordinate variables to the MNC output from the diagnostics package
118    o change MNC-flags default value: true when useMNC=TRUE
119    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
120      the ability (off by default) to read the grid information using MNC
121    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
122    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
123    o do snap-shot diagnostics at the middle of the time-interval (instead of
124      at the end).
125    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
126      new test for AIM with thSIce + slab-ocean
127    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
128    o move state variable diagnostics to the beginning of the time step ;
129      (note: still needs some work specially for snap-shot diagnostics)
130      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
131    
132    checkpoint57c_post
133    o Change testing option (-ieee) to get closer agreement between g77 & ifort
134    o generate new output.txt files on faulks with g77 & the new -ieee option
135    checkpoint57c_pre
136    
137    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
138      update output.txt of exp. global_ocean.90x40x15
139    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
140      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
141    o add saltFlux(+File) forcing capability with periodicExternalForcing
142    o allow to use pkg diagnostics for GM-Redi & ThSIce output
143    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
144    o improvements for the MNC output from DIAGNOSTICS:
145      - correct handling of the unlimitied dimension
146      - all dims now have associated coordinate variables
147      - variables located at U, V, and Corner ("Z") points are now written
148        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
149        *all* data points are output
150    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
151    o added pkg/seaice/seaice_monitor.F
152    o mdsio_readfield.F can now read files visible only to master MPI process.
153    o pkg/seaice: some test code for ice-modified ocean stress
154    o exf_getffields interpolation defaults to bilinear for all scalar forcing
155      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
156      spurious negative numbers for precipitation and humidity.  Will cause
157      some small numerical differences for integrations using pkg/exf/exf_interp.F.
158    o pkg/ctrl/
159      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
160        May be enabled via doPackDiag
161      *  introduce z-scaling of
162         + gradient (doZscalePack) and
163         + control (doZscaleUnpack)
164    o pkg/mdsio/
165      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
166      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
167    
168    checkpoint57b_post
169    o simplify options in diagnostics_fill arguments (remove weird combinations)
170    o fix MNC coordinate variables so that they now contain per-face index
171      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
172      general, EXCH2 grids are only aligned to a "local" coordinate system
173    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
174    o Implement instantaneous output within pkg diagnostics:
175      setting a negative frequency in data.diagnostics produces
176     "snap-shot" output (as opposed to time-average if freq > 0)
177    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
178      NOTE: change ptracer diagnostics name: use 2 characters to work with
179            more than 9 tracers. Add also diagnostics of advect & diffus flux.
180    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
181      becomes the coordinate variable for the 'T' dimension
182    o add CF-style coordinate variables to MNC
183      - just a first cut:  numbers are meaningless on the cubesphere and
184        missing along the T axis but otherwise it works!
185    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
186    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
187    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
188      this is based directly on what the model compute, so that the content of
189      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
190    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
191    o clean up build options files for SunOS, in particular
192      - remove -traditional from xmakedepend
193      - change -xarch=v9 to -xarch=native for f77
194      - restore use of make (not gmake)
195      - add CC=gcc if using g77
196    o changes per discussion of AM, JMC, & EH3 today:
197      - move redundant "grid" variables out of "state" -- in preparation of
198        creating proper CF-style coordinate variables and in recognition
199        that any/all grid variables can be easily copied (eg. w/NCO) from
200        the grid files into any of the other NetCDF files
201      - *always* output grid variables with MDSIO (this will eventually be
202        changed)
203      - output MNC grid file if useMNC is true
204    o every instance of _END_MASTER() has been found and replaced with
205      _END_MASTER( myThid ) in order to satisfy certain picky Sun
206      preprocessors
207    o re-arrange diagnostics pkg initialisation:
208     - allow each package to extend the available diagnostics list
209     - add some checking and fix small problems (multi-threaded, ...)
210     - new S/R diagnostics_fill (replace fill_diagnostics):
211       look through the short list of active diag. (instead of the long list)
212       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
213    
214    checkpoint57a_post
215    o this set of changes restores TAMC compatibility
216      tested for global_ocean.90x40x15 adjoint on trough
217      (what a pain)
218    
219    checkpoint57a_pre
220    o some modifs in tools/build_options for sunos
221    o call ctrl_pack for ctrl at end for optimcycle=0
222    
223    checkpoint57
224    o add horizontal bi-harmonic viscosity for vertical velocity
225      - new parameter viscA4W (defaults to viscA4)
226      - affects only non-hydrostatic code
227      - to be done: no-slip lateral boundary conditions
228    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
229    o implement Implicit Vertical advection for pTracers
230    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
231      (implemented also for implicit vertical diffusion & advection)
232    o OBCS: extend application of tracer open boundary conditions
233      to a strip beyond the boundary of width Olx/Oly
234    o add call monitor to TAF set of required calls (flow directives)
235      and include in natl_box_adjoint
236    o untangle a few ifdefs related to cost, ctrl, autodiff
237      untangel a few ALLOW_ECCO_OPTIMIZATION
238    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
239      (theta2, salt2 in ecco_cost_weights)
240    
241    checkpoint56c_post
242    o OBCS as control variables
243      - update ctrl_ad_diff.list, obcs_ad_diff.list
244      - remove balance of obcs controls from default
245      - fix index bug nobcs in ctrl_init
246      - fix dummy fields filen in ctrl_pack
247      - add dummy weights for obcs
248    o lsopt: comment out fort.94 output
249    o optim:
250      - remove unnecessary header files
251      - adjusted namelists
252      - add xerbla.F to Makefile
253    o exf:
254      - multiple modifications of exf_check_range
255      - unit change in exf_init_runoff from [m/year] to [m/s]
256    o mdsio:
257      - i/o-vector change debugLevel from debLevA to debLevB
258    
259    checkpoint56b_post
260    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
261      is called from DO_THE_MODEL_IO
262      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
263      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
264      - clean up PTRACERS_WRITE_TIMEAVE a little
265    o add another verification experiment that tests both the cfc-pkg and
266      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
267      reactive tendencies treated inline with regular timestepping
268    o testreport previously did a lousy job of comparing small numbers, so
269      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
270      implemented in the little c-progam tmp_cmpnum.c which is embedded in
271      testreport.
272    o ptracers_monitor: bug fix for MPI
273    
274    checkpoint56a_post
275    o GCHEM: finish reorganizating the package
276      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
277        (introduces another 3D-array for each passive tracer, but only if
278        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
279        gchemTendency is not needed because the timestep is done separately)
280      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
281      - GCHEM is now---more or less cleanly---separate from PTRACERS
282      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
283        so clear to me how that should be done in a general way.
284    o CFC: improve formatting of output in CFC_ATMOS
285    o PTRACERS:
286      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
287        that ALL experiments with ptracers enable can be checked. This makes
288        GCHEM_MONITOR obsolete.
289      - include a runtime parameter PTRACERS_monitorFreq that defaults to
290        monitorFreq
291      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
292    o add PTRACERS (PTR0[1-5]) to testreport output
293    o exf_check_range:
294      * default changed to .TRUE.
295      * will check values for niter0 if debLevA, every timestep if debLevB
296      * STOP in exf_check_range if 'out of range'
297      * range chosen generous to allow for potential extema
298      TBD: a version with stricter range
299           permitted range would be runtime parameters
300    o GMredi:
301      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
302      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
303      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
304    o GCHEM:
305      - move call to GCHEM_FORCING_SEP, so that it is now called before
306        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
307      - introduced a useGCHEM runtime flag and applied it everywhere.
308      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
309        this flag is now only visible within GCHEM-pkg routines.
310      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
311        be replaced by a 3D array that is computed before thermodynamics; for
312        this, the tracer ID iTracer had to be included into the parameter list
313        of ptracers_forcing
314      - set up forward_step to call gchem_forcing, that will replace
315        gchem_forcing_int in ptracers_forcing
316      - cleaning up
317    o small cleaning of exch2: remove files that are also in eesupp/src
318    
319    checkpoint56
320    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
321    o mnc: cleanup "full" files--fixes out-of-memory problem
322    o ECCO-GODAE
323      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
324      * fully merged and updated from SIO code
325        windstress sign change affects
326        - exf_inscal_[u/v]stress
327        - sign of xx_tau[u/v] adjustments
328        - signs in cost_scat
329      * ctrl_get_gen: avoid update of tau[u/v] for first few days
330      * natl_box_adjoint updated and compressed
331      * 2-level checkpoint switch added
332        (tested in EXP. 1 of natl_box_adjoint)
333      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
334    o SVD
335      * first complete, non-hacked version for SVD calculations
336      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
337        performed via direct access files admtlm_vector.it????
338        (via ctrl_[un]pack)
339      * optimcycle is used for ARPACK iteration counter
340        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
341      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
342        and add linear transforms where necessary
343      * controls are initial/final SST, SSS (can be extended; need to check
344        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
345    o mdsio: filename info to both stderr, stdout
346    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
347      from sign change
348    
349    checkpoint55j_post
350    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
351      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
352    o add consistent build directories and .cvsignore files to verification
353    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
354    o make all subroutines 30 or less characters in length for certain older
355      compilers to work (a thorough search only turns up two routines in
356      pkg/ptracers)
357    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
358      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
359    
360    checkpoint55i_post
361    o change arrays for total vertical diffusivity (2.D if explicit,
362      3.D if implicit) ; each ptracer uses its own background value.
363    o added mnc/NetCDF output capability to ocn_compon_interf
364      - added bits to verification/cpl_aim+ocn so that it can run on
365        ITRDA and other clusters without the mpirun "-wd" option
366    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
367      configuration
368    o give MNC the ability to create additional files rather than
369      exceeding a specified file size limit "MNC_MAX_FILESIZE"
370      - the default is just less than 2GB which is a practical limit
371        on many systems
372    o Compute the non-local term using either KPP vertical diffusivity (=default)
373       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
374    
375    checkpoint55h_post
376    o add verification test "vermix"
377    o remove all the *_ioinc flags and replace with the single global
378      outputTypesInclusive flag
379    o allow to set a vertical profile of vertical diffusivity for T & S
380    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
381    o useMNC moved from data.mnc to data.pkg
382    
383    checkpoint55g_post
384    o Renaming carbon AD experiments to comply with testreport conventions
385    o Updating adjoint of Held-Suarez hs94.1x64x5
386    o Fixing directives for non-ECCO forward_step, after ECCO directives
387      have been fixed to avoid recomp. of do_oceanic_phys
388      Works well for global_ocean.90x40x15,
389      but recomp. issue remains for carbon
390    o Updating adjoint output for natl_box_adjoint after
391      pkg/ecco has been modified (see taga c55d_post)
392    
393    checkpoint55f_post
394    o rename to timeave_init_fixed
395    
396    checkpoint55e_post
397    o some delicate re-shuffle of store directives to avoid one
398      extra call of do_oceanic_physics
399      affects ecco_the_main_loop.F, do_oceanic_physics.F
400      checkpoint_lev1_directives.h
401    o NB: this may break global_ocean adjoint temporarily,
402      but it is clear how to fix it. Will do later, need this now.
403    
404    checkpoint55d_post
405    o ECCO specific cost function terms (up-to-date with 1x1 runs)
406    o ecco_cost_weights is modified to 1x1 runs
407    o modifs to allow observations to be read in as
408      single file or yearly files
409    o enable to read exf forcing fields as either
410      single file or yearly files (flag useExfYearlyFields)
411    checkpoint55d_pre
412    
413    o switch between 2-level and 3-level checkpointing
414    o add ability of MNC to write local and "partial" (eg. 2D slices where
415      the full 3D field is never actually stored) arrays to NetCDF files
416      with the correct (that is, the complete multi-dimensional) set of
417      array indicies
418      - used in mom_vecinv() to write the diagFreq output
419      - tested (demonstrated) in verification/aim.5l_cs
420    o further mnc-ification
421      - add verification/lab_sea to the list with mnc setups
422      - fix undefined mnc v-names in cd_code
423      - add kpp to mnc output (both snapshot and timeave)
424    o non-hydrostatic code
425      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
426        in calc_gw.F
427      - defaults to viscAh
428      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
429        friction or Leith) in non-hydrostatic mode, as long as there is
430        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
431    o pkg/cost
432      extend simple cost functions to treat time mean quantities
433      (T,U,V) via cost_accumulate_state from cost_tile
434    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
435        be 2 times larger than the minimum size the advection scheme requires.
436        now get a perfect conservation of salt in advect_cs test-exp (updated)
437    o GGL90 (Gaspar's TKE mixed layer)
438      - add horizontal diffusion of TKE, requires exchanges in
439        do_fields_blocking_exchanges, horizontal diffusivity is zero by
440        default. In OPA there is no horizontal diffusion of TKE but the
441        mixing coefficients are computed from a horizontal average of TKE of
442        6 points or so. I think that diffusion has a little more physical
443        justification.
444      - clean up ggl90_calc in the hope of reducing memory usage (this hope
445        was in vain)
446      - mask tke-variable in ggl90_init
447    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
448    o fix biharmonic diffusion on CS-grid.
449    o more obcs stuff
450      - added obcs_external_fields_load as an alternative to the EXF-pkg option
451        for reading boundary values. This routine is called from
452        obcs_prescribe_read
453      - updated obcs_check
454      - changed sponge layer relaxation parameter units for days to seconds
455      - turned off sponge layer by default
456      - changed argument list of OBCS_CALC to myTime+deltaTclock
457      - fixed about 35 bugs in obcs_external_fields_load
458    
459    checkpoint55c_post
460    o obcs stuff
461      - new runtime flags useOBCSprescribe, useOBCSbalance
462      - re-arranged obcs_calc
463      - moved exf_getobcs to obcs_prescibe_read
464        obcs_prescibe_read is called after ORLANSKI stuff
465        and independent of it (executable can contain all).
466      - updated obcs_check
467      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
468        These may be necessary only if tangential velocities are
469        prescribed at OB, not sure, needs testing.
470    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
471      which simplifies the calls and passes the ifc check-bounds test
472    
473    checkpoint55b_post
474    o add a 2D scalar, Z location, exchange_2 routine.
475    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
476      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
477      affects advect_cs results (for the wrong reason): update output.txt
478    o use a more standard discretization for biharmonic viscosity ;
479     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
480      affects results of dome set-up: update output.txt
481    o fix gad_advection.F (CubedSphere part), back to version 1.23
482    o fix bug in mom_vi_del2uv.F (CubedSphere part).
483    
484    checkpoint55a_post
485    o merged code to
486      * prescribe/read time-dependent open boundaries
487        (works in conjunction with exf, cal)
488      * sponge layer code for open boundaries
489      * each boundary N/S/E/W now has its own CPP option
490        (healthy for the adjoint)
491    
492    checkpoint55
493    o up-to-date adjoint of previous breaks
494      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
495      - global_ocean_ebm: adjoint still needs fix (TLM ok)
496      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
497      - carbon: * remove tr1-related adjoint verification
498                * add ptracer as control variable
499    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
500      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
501    
502    checkpoint54f_post
503    o in verification/carbin/ remove experiment related to
504      ALLOW_PASSIVE_TRACER (array tr1 etc)
505      code_ad/ input_ad/ results_ad
506    
507    o add two new packages
508      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
509        + subject to optimization (memory)
510      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
511        + subject to reordering (many GOTOs in the original code)
512        + so far opps is called for every (i,j) point, and then operates in
513          the vertical; one may want to reorder the scheme in order operate in
514          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
515          fields)
516    o overhaul of IO so that we now have flags for MDSIO and/or MNC
517      - all verification tests compile and run with linux_ia32_g77
518      - defaults are compatible with current input files--nothing
519        should change if you were not previously using MNC
520      - MNC output has been added in numerous places (eg. timeave)
521        but there are still a few writes not yet do-able with MNC
522        (this is in progress)
523      - flags now allow for either/or/both use of MDSIO and MNC and
524        documentation will soon follow
525      - numerous small formatting cleanups for ProTeX
526    o add version info (via BUILD_INFO.h) to MNC and stdout
527    
528    checkpoint54e_post
529    o add two new packages
530      - pp81 (Packanowski and Philander, 1981), Richardson number and
531        stratification dependent mixing
532      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
533      - these scheme operate in a similar manner as KPP (without ghat, of
534        course), however there is only one diffusivity that is used for both
535        temperature and salinity (and passive tracers)ç
536    o add offline package
537    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
538      provided by Stephanie Dutkiewicz
539    o genmake2: add ability to search for C compilers and cleanup test output
540      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
541    
542    checkpoint54d_post
543    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
544    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
545      leading to additional shift by 5 days each year of integration
546       (i.e. leading to considerable offset over the years)
547    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
548    o start with no AB and no initial filtering (staggerTimeStep):
549      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
550    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
551      (external loading & cpl import/export stay in forward_step.F)
552    o update coupling interface to work with new staggerTimeStep
553    o change MDSIO ptracers_pickup.
554    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
555    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
556    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
557    
558    checkpoint54c_post
559    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
560      this affects (truncation error) output.txt of test-exp:
561       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
562    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
563    o change Qnet to always be the net heat flux, (+upward).
564      affects (truncation error) output of natl_box exp.: updated
565    o define the max number of passive tracers in PTRACERS_SIZE.h
566    o start to test mnc routinely in exp0
567    o add sea-ice loading (sIceLoad) as a new forcing field.
568    
569    checkpoint54b_post
570    o add testreport "-j JOBS" option for parallel builds (tested and pretty
571       impressive on Altix and Opteron systems)
572    o diagnostics can now write NetCDF files through the mnc package
573    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
574    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
575    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
576      affects (truncation error) output of lab_sea & natl_box exp.: updated
577    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
578    
579    checkpoint54a_post
580    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
581    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
582    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
583    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
584      + internal_wave (shift in writing cg2d_ini_res)
585    checkpoint54a_pre
586    
587    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
588      - modified verification/lab_sea and natl_box_adjoint accordingly
589    
590    checkpoint54
591    checkpoint53g_post
592    o prepare splitting of thermodynamics: store convect.counter in common block
593    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
594      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
595    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
596    o new parameter "nShapS": allow to treat differently S from T (nShapT)
597    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
598    o restore adjointability
599    
600    checkpoint53f_post
601    o modifications that affect AIM experiment results (update output.txt):
602      - no advection of S at top interface Nr (pkg/generic_advdiff)
603      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
604    o AIM pkg:
605      - include stability function into surf.Flux derivative relative to Tsurf
606      - calculate clear-sky radiation & surface temp. change (for diagnostics)
607    
608    checkpoint53e_post
609    o merged cylindrical coord configuration
610    o added rotating_tank experiment
611    checkpoint53e_pre
612    
613    checkpoint53d_post
614    o faulks upgraded: re-generate output.txt that have changed:
615       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
616    o Added Bryan and Lewis, 1979, vertical diffusivity profile
617    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
618    o added Sadourny discretization of Coriolis
619      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
620      - re-enabled use of omega3 (useAbsVorticity)
621    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
622      vector-invariant equations
623      - note: does *NOT* yet use same variable visc. for no-slip BC's.
624    o recoded the lateral boundary conditions for non-hydrostatic w, this time
625      hopefully without new bugs
626      - still to do: biharmonic friction for non-hydrostatic w
627    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
628    o regenerated output for global_ocean_ebm (using -ieee)
629    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
630      of mom_common/
631      - simple re-arrangement of instructions within computing loop
632    checkpoint53d_pre
633    
634    checkpoint53c_post
635    o new version of coupler for AIM+thSIce and Ocean models
636     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
637     - land: change Evaporation of snow
638     - aim with thSIce: fix bug in snow-precip.
639    o changes to calc_gw.F
640     - bug fix for w^2 term near the bottom boundary
641     - (hopefully) improve the lateral slip boundary condtions for use with
642        partial/looped cells
643      - because the bug fix changes two verification experiments anyway (exp5
644        and plume on slope), change the lateral boundary condition from half slip
645        to the value of no_slip_sides
646    o ebm package wasnt quite up to the parallel task. Fixed that.
647    o Adjoint of EBM package + verification
648      * TLM OK
649      * ADM not sufficient accuracy yet (needs further testing)
650    
651    checkpoint53b_post
652    o Commiting new energy balance model to repository
653      * package is pkg/ebm
654      * verif. is verification/global_ocean_ebm
655      * references are in ebm_driver.F
656    C      * X. Wang, P. Stone and J. Marotzke, 1999:
657    C        Global thermohaline circulation. Part I:
658    C        Sensitivity to atmospheric moisture transport.
659    C        J. Climate 12(1), 71-82
660    C      * X. Wang, P. Stone and J. Marotzke, 1999:
661    C        Global thermohaline circulation. Part II:
662    C        Sensitivity with interactive transport.
663    C        J. Climate 12(1), 83-91
664    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
665    C        Destabilization of the thermohaline circulation
666    C        by atmospheric eddy transports.
667    C        J. Climate 7(12), 1870-1882
668    o Will need long integration testing.
669    checkpoint53b_pre
670    
671    o created pkg/mom_common in preparation for variable viscosity code
672    o renamed and split ini_mnc_io
673    o pkg/land: only liquid water can diffuse or run-off
674    o AIM using land: soil wetness availability account for snow
675    o added printMapIncludesZeros to EEPARMS namelist
676    
677    checkpoint53a_post
678    o restore TAMC compatiility for exf_constants.h
679      (no usage of _d in .h)
680    o Additional storing in KPP in an attempt to fix
681      TAMC problem with adjoint of KPP code.
682      (no success...)
683      Identical code works fine with TAF.
684    o Fixed verification/natl_box_adjoint experiments.
685      Initial conditions for Experiments 4 and 5 are now
686      set to "SEAICE_initialHEFF=0", which is more reasonable,
687      and hence gives results closer to that of Experiment 2.
688      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
689    
690    checkpoint53
691    o stable checkpoint with up to date adjoint
692      TLM tests only run for 1st grdchk at the moment. Its unclear if
693      this is a code problem or a problem with resetting code for g_
694      variables that is being autogenerated wrong.
695      Otherwise:
696       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
697       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
698         are both still in chaos following their security messes.
699    
700    checkpoint52n_post
701    o various build (mostly genmake2) changes including:
702      - ability to build/run more easily within Cygwin and MacOS X
703      - more complicated Makefiles with a stronger dependence on Gnu Make
704    o pkg/seaice modifications
705      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
706        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
707        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
708      - changed proxy for geostrophic velocity and updated
709        verification/lab_sea/results/* accordingly
710      - removed ADI dynamic solver from pkg/seaice
711      - replaced all occurrences of 1/CSTICE or 1/CSUICE
712        they caused a segmentation fault under certain circumstances
713      - removed unused field WATR
714    o bug fix in exf-package:
715      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
716         now reflect that.
717    o small fixes in the cal-package:
718      - set reference date to first of January for the 'model'-calendar
719      - failing of cal_CheckDate in cal_FullDate now actually results in a
720        warning
721    o small modifications in exf-package to increase flexibility:
722      - change climtempfreeze from a constant to a runtime parameter that
723        is specified in data.exf_clim (default = -1.9)
724      - introduce runtime parameter windstressmax (default = 2.0) that is
725        specified in data.exf
726    o fix in pkg/thsice:
727      - update Evap (Tsf changes) to be consistent with Latent heat flux
728      - maintain snow precipitation unchanged (even if Tsf >=0).
729     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
730    
731    checkpoint52m_post
732    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
733      this does not change any of the results, because myIter=0 in swfrac always
734      lead to jwtype=2 (the default anyway), but the call makes little sense
735      as a default
736    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
737    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
738      atmospheric model (AIM) to use it ; add a "slab ocean" component.
739    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
740    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
741    o extending useSingleCpuIO option to work with new exch2 I/O format
742      - old-style, missing-tile I/O is still accessible by defining CPP
743        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
744    o monitor package can write to NetCDF files and/or STDOUT
745    o fix re-definition bug in MNC_GRID_INIT_ALL()
746    o doc/api_reference added
747      - a framework for building an API Reference Manual using all
748        the "protex" comments embedded in the code
749      - see pkg/generic_advdiff, pkg/mnc for examples
750    o MNC:
751      - make myThid the last argument for all subroutines
752      - new default for the grid files: NO halos
753      - add useMNC and other run-time flags
754      - separate per-file-group handling of the unlimited dimension
755      - early initialization of MNC w/ flags read at the eeboot stage
756        and lookup tables set in initialize_fixed
757      - write all MNC output to a freshly-created directory
758    o thermodynamics sea-ice (thsice) is now tested with testreport.
759    o test exp. advect_cs: use the standard cs32 grid ; update output.
760    o Added functionality to grdchk:
761      pick global i,j,k position (or nearest wet) where to perform check.
762    
763    checkpoint52l_post
764    o new land formulation:
765      a) use ground enthalpy as prognostic variable to ensure exact
766         energy conservation.
767      b) account for water temperature and for latent heat of freezing
768         in all processes (rain, run-off, ground storage)
769      c) compute surface and ground temperature implicitly.
770    o aim_v23 modification for new land model:
771      a) Treat separately land / ocean / sea-ice surface fluxes
772         to allow implicit computation of land & sea-ice surface temp.
773      b) add snow precipitation.
774    checkpoint52l_pre
775    
776    o fix problem (when 1 tile is empty) in min/max monitor.
777    o fix bug in timeAve (u,vZetatave in common block)
778    o no restoring terms under ice for pkg/seaice
779    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
780    o bug fix for pkg/seaice pickups
781    o change MNC call locations and add coordinate attributes
782    o mask vorticity at the corner ; affects global_ocean.cs output
783    o fix ini_curvilinear_grid ; test CS experiments with mpi
784    o aim.5l_cs: modify sea-ice fraction input file ; update output
785    o exf: Adding simple range check routine for exf fields after read
786    
787    checkpoint52k_post
788    o removed top-level directory "diags"
789      - we migrated these functions to pkg/timeave a long time ago
790    o fixed bug introduced in pkg/monitor
791    o accuracy ctrlprec = 32 insuffient for gradient checks using
792      averaged fields (I/O via cost_averages)
793      -> use ctrl.h in active_file*.F to control I/O precision.
794    o paramter list of CALL ADTHE_MAIN_LOOP
795    o added initial do_the_model_io to ecco
796    o set all ...Freq to zero after cost_final
797      taveFreq, dumpFreq, pChkptFreq
798    o MAIN and ECCO differentiability restored
799    
800    checkpoint52j_post
801    o fix nchklev in tamc.h for global_ocean...
802    o Bringing flow and store directives up-to-date
803    o Really weird thing!
804      call do_the_model_io from the_main_loop with parameters
805      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
806      TAF places a faulty re-call of initialise_varia
807      after cost_final call which should not be there!
808    checkpoint52j_pre
809    
810    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
811      error messages
812    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
813    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
814      debug output
815    o modfied mdsio_writefield.F to handle non-global files under exch2
816    o update AIM Cubed-Sphere exp (aim.5l_cs):
817      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
818    o update AIM Equatorial Channel exp:
819      use standard aim_v23 pkg and change the SST fields to be more realistic.
820    o globalFile now works with exch2
821    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
822      mon_vort3.F to make exch2 friendly with >1 tile per cube face
823    o limit timeave output for hi-res integrations
824    
825    checkpoint52i_post
826    o removed CPP_EEOPTIONS.h from verification/*/code
827    o updated the tiling for global_ocean_pressure
828    checkpoint52i_pre
829    
830    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
831      the old pkg/aim).
832    
833    checkpoint52h_pre
834    o shortened offending lines in exch2_send_rx?.template
835    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
836    o genmake2: add build & execute test for NetCDF code
837    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
838      old grid files, moved CPP_EEMACROS.h to pkg/exch2
839    o added useSingleCPUIO flag to monitor.F and mon_out.F
840    o added temporary hack for sea-ice dynamics on the cube:
841      metric terms are ignored and it is assumed that
842      there is no sea-ice on cube faces 1, 2, 4, and 5.
843    
844    checkpoint52f_post
845    o added exch2 cube routines to pkg/exch2
846    o modified hs94.cs-32x32x5 to use it
847    o added new grid files to hs94.cs-32x32x5
848    checkpoint52f_pre
849    
850    checkpoint52e_post
851    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
852      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
853    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
854      to work with implicit vertical advection and AB ;
855    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
856    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
857     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
858    checkpoint52e_pre
859    
860    o fix bug in impldiff when Nr=1 or Nr=2.
861    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
862    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
863    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
864      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
865    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
866    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
867    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
868    
869    checkpoint52d_post
870    o re-tiled many expts to allow comparison in multi-processor mode
871      - updated output accordingly
872      - changed hs94.128x64x5 to use intial T from file rather than use the
873        random number generator
874    o add infrastructure in model routines for fizhi and gridalt packages
875    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
876    o changes to permit hi-res, cubed-sphere, configuration
877      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
878      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
879      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
880        of surface winds for the cube
881      (A verification experiment, based on global_ocean.cs32x15, but with
882       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
883       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
884       complete with example surface forcing files and matlab scripts to look
885       at the output and compare it with that of global_ocean.cs32x15.)
886    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
887       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
888       to conform to the common rule.
889    o check-in the first version of the coupler + interfaces for multi-components
890       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
891       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
892       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
893       - ocean and atmos. share the same horizontal grid (no interpolation).
894       - exchanges between component and coupler is done in forward_step
895    o new verification experiment, cpl_aim+ocn:
896       coupled ocean - AIM atmosphere on cs32 grid.
897    
898    checkpoint52d_pre
899    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
900    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
901    
902    checkpoint52c_post
903    o Fixing OPTIONS files for use of exf:
904      - ALLOW_ECCO not needed
905      - ECCO_CPPOPTIONS.h should not be included from
906        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
907        as has been the case in the past
908      - All cal/exf related options are currently set in
909        single header file. Should remain so until we
910        agree on a consistent new policy.
911    o Removed all CPP options for cal package.
912      cal has no more CPP options.
913    o modified STOREs in GAD_ADVECTION
914    o corrected key comp. for passkey
915    
916    checkpoint52b_post
917    o new version: "thsice" of thermodynamic sea-ice pkg:
918     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
919     - modify fluxes but do not change theta directly;
920     - light cleaning of bulk_force pkg (still needed with thsice).
921     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
922       + output_thsice.txt to test thsice & bulk_force pkgs.
923    o put back grid & coriolis monitor output.
924    checkpoint52b_pre
925    
926    o call "do_the_model_io" at the beginning (=> dump initial state)
927    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
928    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
929      (need info on NUMBER_OF_PTRACERS)
930    o missing PTRACERS headers in some routines
931    o default tamc.h in pkg/autodiff supposed to crash
932      to ensure proper customization
933    
934    checkpoint52a_post
935    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
936      - moved surfaceTendencyTice from pkg/seaice to main code
937      - subroutine FREEZE_SURFACE now limits only surface temperature
938        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
939        => new output.txt for global_ocean.cs32x15 & global_with_exf
940      - keep the old version of FREEZE for backward compatibility;
941        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
942      - corresponding modifs for TAF directives
943    o added surface flux output variables to TIMEAVE_STATVARS
944    o time-averaged output for pkg/ptracers
945    o fix problem with ECCO-related divided adjoint
946      snapshot file was missing some ad-variables,
947      but no warning issued by TAF
948    
949    checkpoint52a_pre
950    o some bug fixes for #undef REAL4_IS_SLOW
951    
952    checkpoint52 = ecco_c52_e35
953    o after testing adjoints of checkpoint51u_post
954    
955    checkpoint51u_post
956    o this is the post-merge tag of the ecco-branch
957      (needs another clean checkout and re-testing)
958    o various natl_box_adjoint configs and results
959      but no input fields
960    o obcs adjoint not yet merged!
961    o adding ECCO global 1x1 and 2x2 degree configs
962    o updated/extended some store directives for seaice
963    o pkg/ecco now containes ecco-specific part of cost function
964    o top level routines the_main_loop, forward_step
965      supersede those in model/src/
966      previous input data.cost now in data.ecco
967      (new namelist ecco_cost_nml)
968    o in ctrl/ cleaned some cross-dependencies and updated CPP options
969    
970    checkpoint51t_post
971    o this is the pre-merge tag of the ecco-branch
972    
973    checkpoint51s_post
974    o cleanup: removed various obsolete #define-s
975    o pkg/grdchk
976      - renamed 'ph-grd 3' to 'grad-res'
977      - merged from ecco-branch
978        (remaining bug fixes for obcs gradient checks)
979      - additional high-precision output for testreport
980        (grep for 'precision_grdchk_result')
981    
982    checkpoint51r_post
983    o cleaned up or removed CPP_OPTIONS.h files
984    o updated results for some of the tests to reflect the new
985      optfiles (-ieee: -O0 instead of -O3)
986    
987    checkpoint51q_post
988    o cd_code:
989      - moved cd_scheme.F -> cd_code_scheme.F
990      - separate read_checkpoint from cd_code_ini_vars.F
991      - separated cd_code part from write_checkpoint
992      - updated AD_SOURCE, generated .flow
993      - added CD_CODE_VARS.h to the_main_loop
994      - Moving cd_code specific store dir.s to pkg/cd_code
995    o ctrl package totally restructured
996      - pack/unpack now optional and decoupled from
997        xx_/adxx_ I/O
998      - ctrl_pack/unpack cleaned
999        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1000      - confined inclusion of AD_CONFIG.h to where necessary.
1001    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1002    
1003    checkpoint51p_post
1004    o create initial cd_code package
1005      - WARNING: the initialization of fields within packages
1006        is broken because INI_FIELDS (where READ_CHECKPOINT is
1007        called) is called *before* PACKAGES_INIT_VARIABLES.
1008        This seems to be backwards since
1009        1) its important to initially zero the entire field including
1010           the "halo" region
1011        2) zeroing needs to be done *before* reading pickup info
1012           and the pickup call might or might not happen in any
1013           particular run
1014      - this needs an overhaul for R2
1015    o cleanup verification/*/code/GMREDI_OPTIONS.h
1016    o cleanup testreport
1017    
1018    checkpoint51o_post
1019    o bringing AD-related verif's up to date with genmake2
1020      - carbon/
1021      - global_ocean.90x40x15/
1022      - hs.94.1x64x5/
1023      - (front_relax/ )
1024    o (more) consistent directory structure for AD-related verif.'s
1025    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1026    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1027    o bug fix in find_alpha.F for MDJWF:
1028      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1029        change rho -> rho-rhoConst
1030      - replace call find_rho to find_rhonum
1031    o initialisation of rFlx extended to full array (required by TAF)
1032      and shifted to thermodynamics
1033    o removed PTRACERS.h in ptracers routine
1034    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1035    o Correcting initialisations for fVerU, fVerV.
1036    o helping TAF to recognize dependency on kUp for
1037      fVerU, fVerV
1038    o Replacing delZ by delR in pkg/ctrl/
1039    checkpoint51o_pre
1040    
1041    o undid all of cp51 pending some cleanups and discussion
1042    o added the [#include "AD_CONFIG.h"] statement to all files that need
1043       it for adjoint/tl #defines
1044     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1045     o removed tools/genmake since it no longer works
1046    
1047    checkpoint51n_post
1048    o modifications to make FREEZE flux visible to pkg/kpp
1049      - moved surfaceTendencyTice from pkg/seaice to main code
1050      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1051      - subroutine FREEZE now limits only surface temperature
1052        (this means new output.txt for global_ocean.90x40x15,
1053         global_ocean.cs32x15, and global_with_exf)
1054    o added surface flux output variables to TIMEAVE_STATVARS
1055    
1056    checkpoint51n_pre
1057    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1058    o added [#include "AD_CONFIG.h"] to all files that use the following
1059      defines:
1060      - ALLOW_ADJOINT_RUN
1061      - ALLOW_TANGENTLINEAR_RUN
1062      - ALLOW_ECCO_OPTIMIZATION
1063    
1064    checkpoint51m_post
1065    o incorporating changes to get TAMC/TAF working in genmake2
1066      - added new TAMC/TAF targets to the Makefile
1067      - various cleanups related to package handling
1068      - these changes should have no impact on the forward model
1069    
1070    checkpoint51l_post
1071    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1072     - faster algorithm for cal_addtime.F
1073     - higher precision arithmetic, where needed
1074     - pkg/exf *startdate variables changed from calendar date to
1075       model integration time
1076    
1077    checkpoint51l_pre
1078    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1079    o enable to apply restoring on S & T only in a latitude band.
1080    o update output (external_forcing_surf modif. change truncation errors)
1081       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1082    
1083    checkpoint51k_post
1084    o change default to: useNHMTerms=.FALSE.
1085     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1086       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1087     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1088        exp1, ideal_2D_oce
1089     - change data file of oceanic exp (leave the results unchanged for now)
1090       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1091    o set gravitySign automatically according to the vertical coordinate used
1092      (and change sign: back to "logical" value: +1 when R increases downward)
1093    o added an include barrier to the default CPP_OPTIONS.h and
1094      removed the #include "PACKAGES_CONFIG.h" from it
1095    o fix a bug in mom_fluxform (from chk51j_post)
1096    
1097    checkpoint51j_post
1098    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1099    o adjusted some flow directives (dynamics, thermodynamics)
1100    o added cubed-sphere case to test cost function
1101    o heckpoint_lev?_directives.h now include
1102      pkg-specific directives, whenever those are enabled.
1103    o Moving pkg-specific flow directives to corresponding pkg
1104      Moving pkg-specific differentiation list to corresponding pkg
1105      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1106      ---> conventions are
1107           - pkg_ad.flow
1108           - pkg_ad_diff.list
1109           - pkg_ad_check_lev?_dir.h
1110    
1111    checkpoint51i_post
1112    o merge of the branch-genmake2
1113      - knowingly breaks the older genmake
1114      - automatic generation of all ALLOW_${PKG_NAME} defines
1115      - new testreport supersedes older testscript
1116    o large number of package inclusion and header cleanups
1117    checkpoint51i_pre
1118    
1119    o new output for adjoin of global ocean vector invariant
1120    o fix for checkpoint of thermodynamic seaice and bulk_force
1121    o Steph gchem various cleanups
1122    
1123    checkpoint 51h_pre
1124    o fixed some single quotes
1125    o modify gchem pkg to be more versatile
1126    o modifications to clean up dic pkg
1127    o add pkg/cfc
1128    
1129    checkpoint51g_post
1130    o provide links for ARPACK and ADM*TLM
1131    o start removing verification/vero/
1132    o update AD-related stuff
1133      (in particular some IF-statements in model/src/ routines)
1134    o adding to verification/global_ocean.90x40x15/ adjoint of
1135      vector invariant setup
1136    
1137    checkpoint51f_post
1138    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1139    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1140      of tracer Green's fucntions for ocean inversion project.
1141    
1142    checkpoint51f_pre
1143    o Added on-the-fly spatial interpolation capability
1144        "USE_EXF_INTERPOLATION" to pkg/exf.
1145      - This is a temporary Cartesian-grid hack until
1146        the super-duper ESMF coupler becomes available.
1147      - See verification/global_with_exf/README for usage example.
1148      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1149        flags and modified pkg/seaice accordingly.
1150    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1151        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1152        non-local transport term.
1153    
1154    checkpoint51e_post
1155    o pkg/mom_vecinv:
1156      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1157      - add time-ave diagnostic of vorticity advection.
1158    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1159    o atmospheric geopotential: - include water vapor effect;
1160                                - use p^kappa in p* scaling.
1161    o land pkg: read initial state from files.
1162    o AIM : add stratospheric drag in the upper level
1163    
1164    checkpoint51d_post
1165    o change function ILNBLNK (=> last non-blank char.) to return zero
1166      (instead of the string length) when the string. char is empty
1167    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1168    o modif's to restore TAMC compatibility
1169      - avoid "_d" constructs in PARAMETER declarations
1170      - avoid interrupting lines by comment lines
1171    o Use cluster local disks for purely local I/O
1172      vs. globally visible disks needed for ctrl stuff
1173      (merged from ecco-branch)
1174      - new active_file_loc... and mdsio_..._loc routines
1175      - affected packages: autodiff, ctrl, grdchk, mdsio
1176    
1177    checkpoint51c_post
1178    o introducing integer flag debugLevel
1179      - debLevZero: suppress all output
1180      - debLevA: standard
1181      - debLevB: equivalent to current debugMode=.TRUE.
1182    o introducing pathname variable mdsioLocalDir for mdsio
1183      that can be specified at runtime
1184      (relevant for cluster I/O to local disk)
1185    `
1186    >>>checkpoint51b_post
1187    adjoint of ptracers
1188    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1189    o extended state in checkpoint_lev?, etc.
1190    o alternative ctrl/cost with tr1 or ptracer
1191    o new comlev1_bibj_ptracers
1192    o new ptracers.flow
1193    o made ptracers_forcing same as external_forcing_s
1194    o added verification for adjoint with ptracers
1195      - adm. grdchk fail so far
1196      - tlm. grdchk OK
1197      - checked tapelev/comlev recomputations: OK
1198    <<<checkpoint51b_pre
1199    
1200    checkpoint51a_post
1201    o added code for biogeochemistry package
1202      - new pkgs: dic, gchem
1203      - new subroutine in ptracers
1204    o modify code for biogeo packages
1205      - in model/src and pkg/ptracers
1206    
1207    checkpoint51
1208    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1209      - autodiff, ctrl, exf, grdchk, seaice
1210      kept separate packages
1211      - cost, ecco, obcs
1212    o updating verification/internal_wave, verification/lab_sea
1213      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1214    
1215    checkpoint50i_post
1216    o Preparing next differentiable checkpoint and sync
1217      of MAIN vs. ecco-branch
1218      - 1st step: this one is differentiable
1219      - 2nd step: next(! not this) checkpoint will have updated packages
1220                  from ecco-branch)
1221    
1222    checkpoint50h_post
1223    o new package "land": provide surface BC for AIM.
1224    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1225    o AIM: use true log-P extrapolation for near surface temp (= as in
1226        F.Molteni paper) ; update aim.5l_cs output.
1227    o New variable in PARM03 for more flexible pickups
1228    o somewhat cleaned package initialisation sequence for
1229      ctrl/ cost/ ecco/ in packages_... routines
1230    
1231    checkpoint50g_post
1232    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1233      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1234      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1235        made the default because of faster convergence than ADI
1236    
1237    checkpoint50f_post
1238    o exf totally restructured
1239      - replaced all exf_set_ routines by one generic exf_set_gen.F
1240        and made sure it's still differentiable
1241      - split exf_getffields.F into new exf_bulkformulae.F
1242      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1243      - updated adjoint/makefile and relevant verif. accordingly
1244    
1245    checkpoint50f_pre
1246     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1247          + change Evap over land. (update aim.5l_cs output)
1248     o added missing .cvsignores and made uniform across expts
1249     o changed configuration of tidal_basin_2d expt
1250     o added pkg/debug functions for tracing code in fatal crashes
1251     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1252     o new fn in pkg/monitor to stop model if solution grows too big
1253     o removed lots of single quotes from comments
1254    
1255    checkpoint50e_post
1256    o make KPP work with PTRACERS
1257     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1258       nearly a copy of kpp_transport_s
1259     - there is no analogue to SurfaceTendencyS, so I have to use
1260       gPtr(of the surface layer) instead
1261    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1262    checkpoint50e_pre
1263    
1264    checkpoint50d_post
1265    o change kpp output from multiple-record state files to single-record state
1266      files analogous to write_state.F
1267    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1268      analogous to the cg2d-related output.
1269    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1270      so that writing to internal file fn (with length 512) fails.
1271    checkpoint50d_pre
1272    
1273    checkpoint50c_post
1274    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1275    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1276    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1277    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1278    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1279    
1280    checkpoint50c_pre
1281    Merging from release1_p13:
1282    o bug fix for pkg/seaice dynamic solver
1283    o Added SEAICE_initialHEFF to pkg/seaice
1284    
1285    checkpoint50b_post
1286    o store u*,v* in gU,V instead of in guNm1,gvNm1
1287    o in order to put the momForcing out of the Adams-Bashforth:
1288      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1289      to timestep.F
1290    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1291    o re-generate output for highly sensitive test-exp:
1292       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1293    
1294    checkpoint50b_pre
1295    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1296    o corrected CPP option mismatch in exf_Bulk... functions for case
1297      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1298    
1299    checkpoint50a_post
1300    o Bug fix for merging between c50 and KPP.
1301      ikey was passed from thermodynamics to kpp_calc via
1302      common block rather than being recomputed in kpp_calc,
1303      in contradiction with new key itdkey.
1304      New key ikppkey created, and tamc.h headers updated.
1305    
1306    checkpoint50
1307    - 2nd step of merge with ecco-branch:
1308      merge changes in ecco-branch back into main trunk
1309    - bug fix in find_alpha
1310    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1311    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1312    - merged some sliced AD support routines
1313    
1314    checkpoint49
1315    merged from ecco-branch:
1316    o exf:
1317      - Enable initialisation of forcing fields to constant
1318        (runtime) values.
1319      - in exf_getffields.F
1320        Reduce i-/j-loop to interior domain, discarding overlaps.
1321        That also fixes wrong TAF-key computations for key_1, key_2
1322        with bulf formulae.
1323      - exf_init.F modify #ifdef for exf_init_evap
1324      - exf_getffieldrec.F, ctrl_getrec.F
1325        The following INT-usages are not safe:
1326          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1327          fldcount = int(fldsecs/fldperiod) + 1
1328        and were modified.
1329    o autodiff: checkpoint_lev...
1330      - updated storing for bulk formulae (some arrays were missing)
1331      - added state for seaice package
1332      - synchronized with main branch
1333    o DIVA:
1334      Modif.s in
1335      - the_main_loop.F
1336      - the_model_main.F
1337      and added cost_final_restore.F cost_final_store.F
1338      o With these changes, it is possible to fully separate
1339        the first forward run to compute the cost function (mdthe_main_loop)
1340        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1341        into separate model executions.
1342        This enables better tuning of DIVA to given queue sizes.
1343      o Loss of cost function value in consecutive DIVA runs is
1344        fixed by storing to 'costfinal' file.
1345      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1346        beginning/end of adjoint integration is accounted for.
1347      The current changes apply to TAF-1.4.26.
1348      TAF has one remaining bug, requiring one manual change
1349      (see MITgcm manual).
1350    o cal: synchronized between MAIN and ecco-branch
1351    
1352    checkpoint48i_post
1353    o Changes to restore differentiability of code w.r.t. previous tag
1354      (mostly adding new routines to make list and replacing
1355      pressure by totPhiHyd).
1356    o Updated and merged grdchk package
1357      - has both ADM and TLM checks
1358      - works for single- and multi-proc.
1359      - output cleaned
1360      - worked successfully for parallel DIVA
1361    o genmake:
1362      - Adding -platform=SP4
1363      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1364    o Modif. for DIVA:
1365      ctrl_unpack should not be called in intermediate DIVA interval.
1366      (similar thing would apply for active files such as
1367      tbar, sbar, psbar, which should not be reinitialised;
1368      only relevant for ecco-branch)
1369    
1370    checkpoint48h_post
1371    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1372    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1373    o Added SEAICE_initialHEFF to pkg/seaice
1374    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1375    
1376    checkpoint48g_post
1377    --- EOS:
1378    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1379      store total Potential in totPhyHyd for diagnostics & EOS.
1380    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1381    --- Pressure/geopotential gradient:
1382    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1383    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1384      ( changes results of global_ocean_pressure )
1385    o NLFS + z-coord.: add eta*Rho' contribution.
1386    o accurate phiHyd when using interface-W at the middle between 2 centers
1387     ( changes results of ideal_2D_oce )
1388    o includes r* 2nd term in potential gradient.
1389    
1390    checkpoint48f_post
1391    Merging from release1_p12:
1392    o Modifications for using pkg/exf with pkg/seaice
1393      - improved description of the various forcing configurations
1394      - added basic radiation bulk formulae to pkg/exf
1395      - units/sign fix for evap computation in exf_getffields.F
1396      - updated verification/global_with_exf/results/output.txt
1397    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1398      (SBO) core products, including oceanic mass, center-of-mass,
1399      angular, and bottom pressure (see pkg/sbo/README.sbo).
1400    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1401      to avoid negative values in shallow regions.
1402      - updated verification/natl_box/results/output.txt
1403      - updated verification/lab_sea/results/output.txt
1404    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1405    o Added useSingleCpuIO option (see PARAMS.h).
1406    o Updated useSingleCpuIO option in mdsio_writefield.F to
1407      work with multi-field files, e.g., for single-file pickup.
1408    o pkg/seaice:
1409      - bug fix in growth.F: QNET for no shortwave case
1410      - added HeffFile for specifying initial sea-ice thickness
1411      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1412    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1413      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1414    o pkg/seaice:
1415      - adjoint-friendly modifications
1416      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1417    
1418    checkpoint48e_post
1419    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1420    o dynamics: change definition of computational domain & adapt mom_fluxform
1421      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1422    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1423        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1424        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1425        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1426        inverted_barometer solid-body.cs-32x32x1
1427      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1428    
1429    checkpoint48d_post
1430    o in preparation for r*:
1431     a) use pre-computed gradient of hydrostatic potential:
1432        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1433     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1434        => affects results of glob_oce_pressure (different truncation error)  
1435      update output.txt of ideal_2D_oce & global_ocean_pressure
1436    
1437    checkpoint48d_pre
1438    o in preparation for r*:
1439      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1440      pass the 2 comp. of the grad. as arguments to momentum S/R.
1441      but for the moment, only used if it does not change the results.
1442    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1443    
1444    checkpoint48c_post
1445    Modifications in treatment of initial flux forcing controls
1446    to avoid extra storing of flux fields.
1447    
1448    checkpoint48c_pre
1449  o Added tidal_basin_2d experiment (currently 1D!)  o Added tidal_basin_2d experiment (currently 1D!)
1450  o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)  o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1451    

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