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revision 1.125 by jmc, Mon Jan 27 21:42:19 2003 UTC revision 1.487 by jmc, Thu May 19 04:10:44 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/diagnostics: prepare for Global/Regional statistics.
8      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
9    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
10      and rename it: DIFFERENT_MULTIPLE
11    
12    checkpoint57h_post
13    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
14    o pkg/diagnostics: change output frequency, now in seconds (instead
15      of Nb of iterations). This requires to change data.diagnostics.
16    checkpoint57h_pre
17    
18    o in mnc, let the user create the output dir if both mnc_outdir_date
19      and mnc_outdir_num are false
20    o add fflags() to pkg/diagnostics which allows one to specify, on a
21      per-file basis, the file precision [default behavior is unchanged]
22    o added diagnostics to pkg/kpp, including computation of mixed layer
23      depth based on a temperature/density criterion
24    o updated verification/natl_box to test the new pkg/kpp diagnostics
25    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
26    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
27    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
28      not mnc -- this mistake was found by JMC and is now corrected
29    
30    checkpoint57g_post
31    o add Adams-Bashforth 3rd Order time stepping:
32      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
33      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
34    checkpoint57g_pre
35    
36    o make lambda[Theta,Salt]ClimRelax spatially varying
37      (default remains spatially uniform constant based on tau)
38    o added new control variables
39      * init. uVel, vVel, etanN
40      * lambda[Theta,Salt]ClimRelax
41    o separate masks used for ctrl_pack/unpack 'from write_grid' output
42      (suggested by G. Forget)
43    
44    checkpoint57f_post
45    o add parameter "baseTime" = model base time = time at iteration zero
46      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
47      account for baseTime shift
48    o move Coriolis arrays from PARAMS.h to GRID.h
49    checkpoint57f_pre
50    
51    o mnc-ifying the seaice package
52    o introduced an alternative length scale calculation for use in the limiting
53      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
54    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
55    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
56      as well as grad(vort3).  Made it compatible with both approximate form
57      for the cubed sphere and full form of these gradients.  Added flag
58      useFullLeith to select between approximate and full form.  
59    o add "d0" in getcon.F to reduce differences between compilers/platforms
60      update output.txt of exp. fizhi-gridalt-hs
61    o change port_rand funtion to allow to set the seed.
62    o fix obscure MNC bug involving conversion between reals and integers
63      - it caused no problems with certain (eg. gcc, ifc) compilers but the
64        new version is now more standards-compliant
65    o adjoint-related modifications
66      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
67      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
68      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
69    
70    checkpoint57e_post
71    o Adding eddy stress controls a la Ferreira et al.
72    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
73    
74    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
75      update output.txt of exp. fizhi-gridalt-hs
76    o add more "Z" dimensions and associated coordinate vars to MNC
77    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
78    o parameter calendarDumps: when set, approximate months (30-31 days) and years
79      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
80      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
81      months and years.  Requires pkg/cal.
82    o diagnostics: add pickup functionality
83      - off by default for backwards compatibility
84      - current version only uses MDSIO -- MNC will be added
85    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
86    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
87    
88    checkpoint57d_post
89    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
90    o modify verification/ideal_2D_oce so that it tests the creation of mnc
91      output from the diagnostics package
92    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
93    o make genmake2 more portable by using ".$FS" instead of ".f" for more
94      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
95    o add coordinate variables to the MNC output from the diagnostics package
96    o change MNC-flags default value: true when useMNC=TRUE
97    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
98      the ability (off by default) to read the grid information using MNC
99    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
100    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
101    o do snap-shot diagnostics at the middle of the time-interval (instead of
102      at the end).
103    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
104      new test for AIM with thSIce + slab-ocean
105    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
106    o move state variable diagnostics to the beginning of the time step ;
107      (note: still needs some work specially for snap-shot diagnostics)
108      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
109    
110    checkpoint57c_post
111    o Change testing option (-ieee) to get closer agreement between g77 & ifort
112    o generate new output.txt files on faulks with g77 & the new -ieee option
113    checkpoint57c_pre
114    
115    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
116      update output.txt of exp. global_ocean.90x40x15
117    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
118      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
119    o add saltFlux(+File) forcing capability with periodicExternalForcing
120    o allow to use pkg diagnostics for GM-Redi & ThSIce output
121    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
122    o improvements for the MNC output from DIAGNOSTICS:
123      - correct handling of the unlimitied dimension
124      - all dims now have associated coordinate variables
125      - variables located at U, V, and Corner ("Z") points are now written
126        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
127        *all* data points are output
128    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
129    o added pkg/seaice/seaice_monitor.F
130    o mdsio_readfield.F can now read files visible only to master MPI process.
131    o pkg/seaice: some test code for ice-modified ocean stress
132    o exf_getffields interpolation defaults to bilinear for all scalar forcing
133      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
134      spurious negative numbers for precipitation and humidity.  Will cause
135      some small numerical differences for integrations using pkg/exf/exf_interp.F.
136    o pkg/ctrl/
137      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
138        May be enabled via doPackDiag
139      *  introduce z-scaling of
140         + gradient (doZscalePack) and
141         + control (doZscaleUnpack)
142    o pkg/mdsio/
143      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
144      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
145    
146    checkpoint57b_post
147    o simplify options in diagnostics_fill arguments (remove weird combinations)
148    o fix MNC coordinate variables so that they now contain per-face index
149      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
150      general, EXCH2 grids are only aligned to a "local" coordinate system
151    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
152    o Implement instantaneous output within pkg diagnostics:
153      setting a negative frequency in data.diagnostics produces
154     "snap-shot" output (as opposed to time-average if freq > 0)
155    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
156      NOTE: change ptracer diagnostics name: use 2 characters to work with
157            more than 9 tracers. Add also diagnostics of advect & diffus flux.
158    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
159      becomes the coordinate variable for the 'T' dimension
160    o add CF-style coordinate variables to MNC
161      - just a first cut:  numbers are meaningless on the cubesphere and
162        missing along the T axis but otherwise it works!
163    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
164    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
165    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
166      this is based directly on what the model compute, so that the content of
167      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
168    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
169    o clean up build options files for SunOS, in particular
170      - remove -traditional from xmakedepend
171      - change -xarch=v9 to -xarch=native for f77
172      - restore use of make (not gmake)
173      - add CC=gcc if using g77
174    o changes per discussion of AM, JMC, & EH3 today:
175      - move redundant "grid" variables out of "state" -- in preparation of
176        creating proper CF-style coordinate variables and in recognition
177        that any/all grid variables can be easily copied (eg. w/NCO) from
178        the grid files into any of the other NetCDF files
179      - *always* output grid variables with MDSIO (this will eventually be
180        changed)
181      - output MNC grid file if useMNC is true
182    o every instance of _END_MASTER() has been found and replaced with
183      _END_MASTER( myThid ) in order to satisfy certain picky Sun
184      preprocessors
185    o re-arrange diagnostics pkg initialisation:
186     - allow each package to extend the available diagnostics list
187     - add some checking and fix small problems (multi-threaded, ...)
188     - new S/R diagnostics_fill (replace fill_diagnostics):
189       look through the short list of active diag. (instead of the long list)
190       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
191    
192    checkpoint57a_post
193    o this set of changes restores TAMC compatibility
194      tested for global_ocean.90x40x15 adjoint on trough
195      (what a pain)
196    
197    checkpoint57a_pre
198    o some modifs in tools/build_options for sunos
199    o call ctrl_pack for ctrl at end for optimcycle=0
200    
201    checkpoint57
202    o add horizontal bi-harmonic viscosity for vertical velocity
203      - new parameter viscA4W (defaults to viscA4)
204      - affects only non-hydrostatic code
205      - to be done: no-slip lateral boundary conditions
206    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
207    o implement Implicit Vertical advection for pTracers
208    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
209      (implemented also for implicit vertical diffusion & advection)
210    o OBCS: extend application of tracer open boundary conditions
211      to a strip beyond the boundary of width Olx/Oly
212    o add call monitor to TAF set of required calls (flow directives)
213      and include in natl_box_adjoint
214    o untangle a few ifdefs related to cost, ctrl, autodiff
215      untangel a few ALLOW_ECCO_OPTIMIZATION
216    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
217      (theta2, salt2 in ecco_cost_weights)
218    
219    checkpoint56c_post
220    o OBCS as control variables
221      - update ctrl_ad_diff.list, obcs_ad_diff.list
222      - remove balance of obcs controls from default
223      - fix index bug nobcs in ctrl_init
224      - fix dummy fields filen in ctrl_pack
225      - add dummy weights for obcs
226    o lsopt: comment out fort.94 output
227    o optim:
228      - remove unnecessary header files
229      - adjusted namelists
230      - add xerbla.F to Makefile
231    o exf:
232      - multiple modifications of exf_check_range
233      - unit change in exf_init_runoff from [m/year] to [m/s]
234    o mdsio:
235      - i/o-vector change debugLevel from debLevA to debLevB
236    
237    checkpoint56b_post
238    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
239      is called from DO_THE_MODEL_IO
240      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
241      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
242      - clean up PTRACERS_WRITE_TIMEAVE a little
243    o add another verification experiment that tests both the cfc-pkg and
244      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
245      reactive tendencies treated inline with regular timestepping
246    o testreport previously did a lousy job of comparing small numbers, so
247      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
248      implemented in the little c-progam tmp_cmpnum.c which is embedded in
249      testreport.
250    o ptracers_monitor: bug fix for MPI
251    
252    checkpoint56a_post
253    o GCHEM: finish reorganizating the package
254      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
255        (introduces another 3D-array for each passive tracer, but only if
256        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
257        gchemTendency is not needed because the timestep is done separately)
258      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
259      - GCHEM is now---more or less cleanly---separate from PTRACERS
260      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
261        so clear to me how that should be done in a general way.
262    o CFC: improve formatting of output in CFC_ATMOS
263    o PTRACERS:
264      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
265        that ALL experiments with ptracers enable can be checked. This makes
266        GCHEM_MONITOR obsolete.
267      - include a runtime parameter PTRACERS_monitorFreq that defaults to
268        monitorFreq
269      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
270    o add PTRACERS (PTR0[1-5]) to testreport output
271    o exf_check_range:
272      * default changed to .TRUE.
273      * will check values for niter0 if debLevA, every timestep if debLevB
274      * STOP in exf_check_range if 'out of range'
275      * range chosen generous to allow for potential extema
276      TBD: a version with stricter range
277           permitted range would be runtime parameters
278    o GMredi:
279      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
280      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
281      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
282    o GCHEM:
283      - move call to GCHEM_FORCING_SEP, so that it is now called before
284        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
285      - introduced a useGCHEM runtime flag and applied it everywhere.
286      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
287        this flag is now only visible within GCHEM-pkg routines.
288      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
289        be replaced by a 3D array that is computed before thermodynamics; for
290        this, the tracer ID iTracer had to be included into the parameter list
291        of ptracers_forcing
292      - set up forward_step to call gchem_forcing, that will replace
293        gchem_forcing_int in ptracers_forcing
294      - cleaning up
295    o small cleaning of exch2: remove files that are also in eesupp/src
296    
297    checkpoint56
298    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
299    o mnc: cleanup "full" files--fixes out-of-memory problem
300    o ECCO-GODAE
301      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
302      * fully merged and updated from SIO code
303        windstress sign change affects
304        - exf_inscal_[u/v]stress
305        - sign of xx_tau[u/v] adjustments
306        - signs in cost_scat
307      * ctrl_get_gen: avoid update of tau[u/v] for first few days
308      * natl_box_adjoint updated and compressed
309      * 2-level checkpoint switch added
310        (tested in EXP. 1 of natl_box_adjoint)
311      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
312    o SVD
313      * first complete, non-hacked version for SVD calculations
314      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
315        performed via direct access files admtlm_vector.it????
316        (via ctrl_[un]pack)
317      * optimcycle is used for ARPACK iteration counter
318        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
319      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
320        and add linear transforms where necessary
321      * controls are initial/final SST, SSS (can be extended; need to check
322        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
323    o mdsio: filename info to both stderr, stdout
324    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
325      from sign change
326    
327    checkpoint55j_post
328    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
329      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
330    o add consistent build directories and .cvsignore files to verification
331    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
332    o make all subroutines 30 or less characters in length for certain older
333      compilers to work (a thorough search only turns up two routines in
334      pkg/ptracers)
335    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
336      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
337    
338    checkpoint55i_post
339    o change arrays for total vertical diffusivity (2.D if explicit,
340      3.D if implicit) ; each ptracer uses its own background value.
341    o added mnc/NetCDF output capability to ocn_compon_interf
342      - added bits to verification/cpl_aim+ocn so that it can run on
343        ITRDA and other clusters without the mpirun "-wd" option
344    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
345      configuration
346    o give MNC the ability to create additional files rather than
347      exceeding a specified file size limit "MNC_MAX_FILESIZE"
348      - the default is just less than 2GB which is a practical limit
349        on many systems
350    o Compute the non-local term using either KPP vertical diffusivity (=default)
351       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
352    
353    checkpoint55h_post
354    o add verification test "vermix"
355    o remove all the *_ioinc flags and replace with the single global
356      outputTypesInclusive flag
357    o allow to set a vertical profile of vertical diffusivity for T & S
358    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
359    o useMNC moved from data.mnc to data.pkg
360    
361    checkpoint55g_post
362    o Renaming carbon AD experiments to comply with testreport conventions
363    o Updating adjoint of Held-Suarez hs94.1x64x5
364    o Fixing directives for non-ECCO forward_step, after ECCO directives
365      have been fixed to avoid recomp. of do_oceanic_phys
366      Works well for global_ocean.90x40x15,
367      but recomp. issue remains for carbon
368    o Updating adjoint output for natl_box_adjoint after
369      pkg/ecco has been modified (see taga c55d_post)
370    
371    checkpoint55f_post
372    o rename to timeave_init_fixed
373    
374    checkpoint55e_post
375    o some delicate re-shuffle of store directives to avoid one
376      extra call of do_oceanic_physics
377      affects ecco_the_main_loop.F, do_oceanic_physics.F
378      checkpoint_lev1_directives.h
379    o NB: this may break global_ocean adjoint temporarily,
380      but it is clear how to fix it. Will do later, need this now.
381    
382    checkpoint55d_post
383    o ECCO specific cost function terms (up-to-date with 1x1 runs)
384    o ecco_cost_weights is modified to 1x1 runs
385    o modifs to allow observations to be read in as
386      single file or yearly files
387    o enable to read exf forcing fields as either
388      single file or yearly files (flag useExfYearlyFields)
389    checkpoint55d_pre
390    
391    o switch between 2-level and 3-level checkpointing
392    o add ability of MNC to write local and "partial" (eg. 2D slices where
393      the full 3D field is never actually stored) arrays to NetCDF files
394      with the correct (that is, the complete multi-dimensional) set of
395      array indicies
396      - used in mom_vecinv() to write the diagFreq output
397      - tested (demonstrated) in verification/aim.5l_cs
398    o further mnc-ification
399      - add verification/lab_sea to the list with mnc setups
400      - fix undefined mnc v-names in cd_code
401      - add kpp to mnc output (both snapshot and timeave)
402    o non-hydrostatic code
403      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
404        in calc_gw.F
405      - defaults to viscAh
406      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
407        friction or Leith) in non-hydrostatic mode, as long as there is
408        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
409    o pkg/cost
410      extend simple cost functions to treat time mean quantities
411      (T,U,V) via cost_accumulate_state from cost_tile
412    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
413        be 2 times larger than the minimum size the advection scheme requires.
414        now get a perfect conservation of salt in advect_cs test-exp (updated)
415    o GGL90 (Gaspar's TKE mixed layer)
416      - add horizontal diffusion of TKE, requires exchanges in
417        do_fields_blocking_exchanges, horizontal diffusivity is zero by
418        default. In OPA there is no horizontal diffusion of TKE but the
419        mixing coefficients are computed from a horizontal average of TKE of
420        6 points or so. I think that diffusion has a little more physical
421        justification.
422      - clean up ggl90_calc in the hope of reducing memory usage (this hope
423        was in vain)
424      - mask tke-variable in ggl90_init
425    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
426    o fix biharmonic diffusion on CS-grid.
427    o more obcs stuff
428      - added obcs_external_fields_load as an alternative to the EXF-pkg option
429        for reading boundary values. This routine is called from
430        obcs_prescribe_read
431      - updated obcs_check
432      - changed sponge layer relaxation parameter units for days to seconds
433      - turned off sponge layer by default
434      - changed argument list of OBCS_CALC to myTime+deltaTclock
435      - fixed about 35 bugs in obcs_external_fields_load
436    
437    checkpoint55c_post
438    o obcs stuff
439      - new runtime flags useOBCSprescribe, useOBCSbalance
440      - re-arranged obcs_calc
441      - moved exf_getobcs to obcs_prescibe_read
442        obcs_prescibe_read is called after ORLANSKI stuff
443        and independent of it (executable can contain all).
444      - updated obcs_check
445      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
446        These may be necessary only if tangential velocities are
447        prescribed at OB, not sure, needs testing.
448    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
449      which simplifies the calls and passes the ifc check-bounds test
450    
451    checkpoint55b_post
452    o add a 2D scalar, Z location, exchange_2 routine.
453    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
454      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
455      affects advect_cs results (for the wrong reason): update output.txt
456    o use a more standard discretization for biharmonic viscosity ;
457     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
458      affects results of dome set-up: update output.txt
459    o fix gad_advection.F (CubedSphere part), back to version 1.23
460    o fix bug in mom_vi_del2uv.F (CubedSphere part).
461    
462    checkpoint55a_post
463    o merged code to
464      * prescribe/read time-dependent open boundaries
465        (works in conjunction with exf, cal)
466      * sponge layer code for open boundaries
467      * each boundary N/S/E/W now has its own CPP option
468        (healthy for the adjoint)
469    
470    checkpoint55
471    o up-to-date adjoint of previous breaks
472      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
473      - global_ocean_ebm: adjoint still needs fix (TLM ok)
474      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
475      - carbon: * remove tr1-related adjoint verification
476                * add ptracer as control variable
477    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
478      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
479    
480    checkpoint54f_post
481    o in verification/carbin/ remove experiment related to
482      ALLOW_PASSIVE_TRACER (array tr1 etc)
483      code_ad/ input_ad/ results_ad
484    
485    o add two new packages
486      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
487        + subject to optimization (memory)
488      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
489        + subject to reordering (many GOTOs in the original code)
490        + so far opps is called for every (i,j) point, and then operates in
491          the vertical; one may want to reorder the scheme in order operate in
492          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
493          fields)
494    o overhaul of IO so that we now have flags for MDSIO and/or MNC
495      - all verification tests compile and run with linux_ia32_g77
496      - defaults are compatible with current input files--nothing
497        should change if you were not previously using MNC
498      - MNC output has been added in numerous places (eg. timeave)
499        but there are still a few writes not yet do-able with MNC
500        (this is in progress)
501      - flags now allow for either/or/both use of MDSIO and MNC and
502        documentation will soon follow
503      - numerous small formatting cleanups for ProTeX
504    o add version info (via BUILD_INFO.h) to MNC and stdout
505    
506    checkpoint54e_post
507    o add two new packages
508      - pp81 (Packanowski and Philander, 1981), Richardson number and
509        stratification dependent mixing
510      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
511      - these scheme operate in a similar manner as KPP (without ghat, of
512        course), however there is only one diffusivity that is used for both
513        temperature and salinity (and passive tracers)ç
514    o add offline package
515    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
516      provided by Stephanie Dutkiewicz
517    o genmake2: add ability to search for C compilers and cleanup test output
518      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
519    
520    checkpoint54d_post
521    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
522    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
523      leading to additional shift by 5 days each year of integration
524       (i.e. leading to considerable offset over the years)
525    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
526    o start with no AB and no initial filtering (staggerTimeStep):
527      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
528    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
529      (external loading & cpl import/export stay in forward_step.F)
530    o update coupling interface to work with new staggerTimeStep
531    o change MDSIO ptracers_pickup.
532    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
533    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
534    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
535    
536    checkpoint54c_post
537    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
538      this affects (truncation error) output.txt of test-exp:
539       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
540    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
541    o change Qnet to always be the net heat flux, (+upward).
542      affects (truncation error) output of natl_box exp.: updated
543    o define the max number of passive tracers in PTRACERS_SIZE.h
544    o start to test mnc routinely in exp0
545    o add sea-ice loading (sIceLoad) as a new forcing field.
546    
547    checkpoint54b_post
548    o add testreport "-j JOBS" option for parallel builds (tested and pretty
549       impressive on Altix and Opteron systems)
550    o diagnostics can now write NetCDF files through the mnc package
551    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
552    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
553    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
554      affects (truncation error) output of lab_sea & natl_box exp.: updated
555    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
556    
557    checkpoint54a_post
558    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
559    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
560    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
561    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
562      + internal_wave (shift in writing cg2d_ini_res)
563    checkpoint54a_pre
564    
565    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
566      - modified verification/lab_sea and natl_box_adjoint accordingly
567    
568    checkpoint54
569    checkpoint53g_post
570    o prepare splitting of thermodynamics: store convect.counter in common block
571    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
572      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
573    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
574    o new parameter "nShapS": allow to treat differently S from T (nShapT)
575    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
576    o restore adjointability
577    
578    checkpoint53f_post
579    o modifications that affect AIM experiment results (update output.txt):
580      - no advection of S at top interface Nr (pkg/generic_advdiff)
581      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
582    o AIM pkg:
583      - include stability function into surf.Flux derivative relative to Tsurf
584      - calculate clear-sky radiation & surface temp. change (for diagnostics)
585    
586    checkpoint53e_post
587    o merged cylindrical coord configuration
588    o added rotating_tank experiment
589    checkpoint53e_pre
590    
591    checkpoint53d_post
592    o faulks upgraded: re-generate output.txt that have changed:
593       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
594    o Added Bryan and Lewis, 1979, vertical diffusivity profile
595    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
596    o added Sadourny discretization of Coriolis
597      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
598      - re-enabled use of omega3 (useAbsVorticity)
599    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
600      vector-invariant equations
601      - note: does *NOT* yet use same variable visc. for no-slip BC's.
602    o recoded the lateral boundary conditions for non-hydrostatic w, this time
603      hopefully without new bugs
604      - still to do: biharmonic friction for non-hydrostatic w
605    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
606    o regenerated output for global_ocean_ebm (using -ieee)
607    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
608      of mom_common/
609      - simple re-arrangement of instructions within computing loop
610    checkpoint53d_pre
611    
612    checkpoint53c_post
613    o new version of coupler for AIM+thSIce and Ocean models
614     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
615     - land: change Evaporation of snow
616     - aim with thSIce: fix bug in snow-precip.
617    o changes to calc_gw.F
618     - bug fix for w^2 term near the bottom boundary
619     - (hopefully) improve the lateral slip boundary condtions for use with
620        partial/looped cells
621      - because the bug fix changes two verification experiments anyway (exp5
622        and plume on slope), change the lateral boundary condition from half slip
623        to the value of no_slip_sides
624    o ebm package wasnt quite up to the parallel task. Fixed that.
625    o Adjoint of EBM package + verification
626      * TLM OK
627      * ADM not sufficient accuracy yet (needs further testing)
628    
629    checkpoint53b_post
630    o Commiting new energy balance model to repository
631      * package is pkg/ebm
632      * verif. is verification/global_ocean_ebm
633      * references are in ebm_driver.F
634    C      * X. Wang, P. Stone and J. Marotzke, 1999:
635    C        Global thermohaline circulation. Part I:
636    C        Sensitivity to atmospheric moisture transport.
637    C        J. Climate 12(1), 71-82
638    C      * X. Wang, P. Stone and J. Marotzke, 1999:
639    C        Global thermohaline circulation. Part II:
640    C        Sensitivity with interactive transport.
641    C        J. Climate 12(1), 83-91
642    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
643    C        Destabilization of the thermohaline circulation
644    C        by atmospheric eddy transports.
645    C        J. Climate 7(12), 1870-1882
646    o Will need long integration testing.
647    checkpoint53b_pre
648    
649    o created pkg/mom_common in preparation for variable viscosity code
650    o renamed and split ini_mnc_io
651    o pkg/land: only liquid water can diffuse or run-off
652    o AIM using land: soil wetness availability account for snow
653    o added printMapIncludesZeros to EEPARMS namelist
654    
655    checkpoint53a_post
656    o restore TAMC compatiility for exf_constants.h
657      (no usage of _d in .h)
658    o Additional storing in KPP in an attempt to fix
659      TAMC problem with adjoint of KPP code.
660      (no success...)
661      Identical code works fine with TAF.
662    o Fixed verification/natl_box_adjoint experiments.
663      Initial conditions for Experiments 4 and 5 are now
664      set to "SEAICE_initialHEFF=0", which is more reasonable,
665      and hence gives results closer to that of Experiment 2.
666      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
667    
668    checkpoint53
669    o stable checkpoint with up to date adjoint
670      TLM tests only run for 1st grdchk at the moment. Its unclear if
671      this is a code problem or a problem with resetting code for g_
672      variables that is being autogenerated wrong.
673      Otherwise:
674       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
675       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
676         are both still in chaos following their security messes.
677    
678    checkpoint52n_post
679    o various build (mostly genmake2) changes including:
680      - ability to build/run more easily within Cygwin and MacOS X
681      - more complicated Makefiles with a stronger dependence on Gnu Make
682    o pkg/seaice modifications
683      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
684        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
685        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
686      - changed proxy for geostrophic velocity and updated
687        verification/lab_sea/results/* accordingly
688      - removed ADI dynamic solver from pkg/seaice
689      - replaced all occurrences of 1/CSTICE or 1/CSUICE
690        they caused a segmentation fault under certain circumstances
691      - removed unused field WATR
692    o bug fix in exf-package:
693      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
694         now reflect that.
695    o small fixes in the cal-package:
696      - set reference date to first of January for the 'model'-calendar
697      - failing of cal_CheckDate in cal_FullDate now actually results in a
698        warning
699    o small modifications in exf-package to increase flexibility:
700      - change climtempfreeze from a constant to a runtime parameter that
701        is specified in data.exf_clim (default = -1.9)
702      - introduce runtime parameter windstressmax (default = 2.0) that is
703        specified in data.exf
704    o fix in pkg/thsice:
705      - update Evap (Tsf changes) to be consistent with Latent heat flux
706      - maintain snow precipitation unchanged (even if Tsf >=0).
707     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
708    
709    checkpoint52m_post
710    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
711      this does not change any of the results, because myIter=0 in swfrac always
712      lead to jwtype=2 (the default anyway), but the call makes little sense
713      as a default
714    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
715    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
716      atmospheric model (AIM) to use it ; add a "slab ocean" component.
717    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
718    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
719    o extending useSingleCpuIO option to work with new exch2 I/O format
720      - old-style, missing-tile I/O is still accessible by defining CPP
721        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
722    o monitor package can write to NetCDF files and/or STDOUT
723    o fix re-definition bug in MNC_GRID_INIT_ALL()
724    o doc/api_reference added
725      - a framework for building an API Reference Manual using all
726        the "protex" comments embedded in the code
727      - see pkg/generic_advdiff, pkg/mnc for examples
728    o MNC:
729      - make myThid the last argument for all subroutines
730      - new default for the grid files: NO halos
731      - add useMNC and other run-time flags
732      - separate per-file-group handling of the unlimited dimension
733      - early initialization of MNC w/ flags read at the eeboot stage
734        and lookup tables set in initialize_fixed
735      - write all MNC output to a freshly-created directory
736    o thermodynamics sea-ice (thsice) is now tested with testreport.
737    o test exp. advect_cs: use the standard cs32 grid ; update output.
738    o Added functionality to grdchk:
739      pick global i,j,k position (or nearest wet) where to perform check.
740    
741    checkpoint52l_post
742    o new land formulation:
743      a) use ground enthalpy as prognostic variable to ensure exact
744         energy conservation.
745      b) account for water temperature and for latent heat of freezing
746         in all processes (rain, run-off, ground storage)
747      c) compute surface and ground temperature implicitly.
748    o aim_v23 modification for new land model:
749      a) Treat separately land / ocean / sea-ice surface fluxes
750         to allow implicit computation of land & sea-ice surface temp.
751      b) add snow precipitation.
752    checkpoint52l_pre
753    
754    o fix problem (when 1 tile is empty) in min/max monitor.
755    o fix bug in timeAve (u,vZetatave in common block)
756    o no restoring terms under ice for pkg/seaice
757    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
758    o bug fix for pkg/seaice pickups
759    o change MNC call locations and add coordinate attributes
760    o mask vorticity at the corner ; affects global_ocean.cs output
761    o fix ini_curvilinear_grid ; test CS experiments with mpi
762    o aim.5l_cs: modify sea-ice fraction input file ; update output
763    o exf: Adding simple range check routine for exf fields after read
764    
765    checkpoint52k_post
766    o removed top-level directory "diags"
767      - we migrated these functions to pkg/timeave a long time ago
768    o fixed bug introduced in pkg/monitor
769    o accuracy ctrlprec = 32 insuffient for gradient checks using
770      averaged fields (I/O via cost_averages)
771      -> use ctrl.h in active_file*.F to control I/O precision.
772    o paramter list of CALL ADTHE_MAIN_LOOP
773    o added initial do_the_model_io to ecco
774    o set all ...Freq to zero after cost_final
775      taveFreq, dumpFreq, pChkptFreq
776    o MAIN and ECCO differentiability restored
777    
778    checkpoint52j_post
779    o fix nchklev in tamc.h for global_ocean...
780    o Bringing flow and store directives up-to-date
781    o Really weird thing!
782      call do_the_model_io from the_main_loop with parameters
783      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
784      TAF places a faulty re-call of initialise_varia
785      after cost_final call which should not be there!
786    checkpoint52j_pre
787    
788    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
789      error messages
790    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
791    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
792      debug output
793    o modfied mdsio_writefield.F to handle non-global files under exch2
794    o update AIM Cubed-Sphere exp (aim.5l_cs):
795      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
796    o update AIM Equatorial Channel exp:
797      use standard aim_v23 pkg and change the SST fields to be more realistic.
798    o globalFile now works with exch2
799    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
800      mon_vort3.F to make exch2 friendly with >1 tile per cube face
801    o limit timeave output for hi-res integrations
802    
803    checkpoint52i_post
804    o removed CPP_EEOPTIONS.h from verification/*/code
805    o updated the tiling for global_ocean_pressure
806    checkpoint52i_pre
807    
808    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
809      the old pkg/aim).
810    
811    checkpoint52h_pre
812    o shortened offending lines in exch2_send_rx?.template
813    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
814    o genmake2: add build & execute test for NetCDF code
815    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
816      old grid files, moved CPP_EEMACROS.h to pkg/exch2
817    o added useSingleCPUIO flag to monitor.F and mon_out.F
818    o added temporary hack for sea-ice dynamics on the cube:
819      metric terms are ignored and it is assumed that
820      there is no sea-ice on cube faces 1, 2, 4, and 5.
821    
822    checkpoint52f_post
823    o added exch2 cube routines to pkg/exch2
824    o modified hs94.cs-32x32x5 to use it
825    o added new grid files to hs94.cs-32x32x5
826    checkpoint52f_pre
827    
828    checkpoint52e_post
829    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
830      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
831    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
832      to work with implicit vertical advection and AB ;
833    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
834    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
835     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
836    checkpoint52e_pre
837    
838    o fix bug in impldiff when Nr=1 or Nr=2.
839    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
840    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
841    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
842      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
843    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
844    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
845    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
846    
847    checkpoint52d_post
848    o re-tiled many expts to allow comparison in multi-processor mode
849      - updated output accordingly
850      - changed hs94.128x64x5 to use intial T from file rather than use the
851        random number generator
852    o add infrastructure in model routines for fizhi and gridalt packages
853    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
854    o changes to permit hi-res, cubed-sphere, configuration
855      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
856      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
857      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
858        of surface winds for the cube
859      (A verification experiment, based on global_ocean.cs32x15, but with
860       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
861       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
862       complete with example surface forcing files and matlab scripts to look
863       at the output and compare it with that of global_ocean.cs32x15.)
864    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
865       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
866       to conform to the common rule.
867    o check-in the first version of the coupler + interfaces for multi-components
868       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
869       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
870       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
871       - ocean and atmos. share the same horizontal grid (no interpolation).
872       - exchanges between component and coupler is done in forward_step
873    o new verification experiment, cpl_aim+ocn:
874       coupled ocean - AIM atmosphere on cs32 grid.
875    
876    checkpoint52d_pre
877    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
878    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
879    
880    checkpoint52c_post
881    o Fixing OPTIONS files for use of exf:
882      - ALLOW_ECCO not needed
883      - ECCO_CPPOPTIONS.h should not be included from
884        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
885        as has been the case in the past
886      - All cal/exf related options are currently set in
887        single header file. Should remain so until we
888        agree on a consistent new policy.
889    o Removed all CPP options for cal package.
890      cal has no more CPP options.
891    o modified STOREs in GAD_ADVECTION
892    o corrected key comp. for passkey
893    
894    checkpoint52b_post
895    o new version: "thsice" of thermodynamic sea-ice pkg:
896     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
897     - modify fluxes but do not change theta directly;
898     - light cleaning of bulk_force pkg (still needed with thsice).
899     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
900       + output_thsice.txt to test thsice & bulk_force pkgs.
901    o put back grid & coriolis monitor output.
902    checkpoint52b_pre
903    
904    o call "do_the_model_io" at the beginning (=> dump initial state)
905    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
906    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
907      (need info on NUMBER_OF_PTRACERS)
908    o missing PTRACERS headers in some routines
909    o default tamc.h in pkg/autodiff supposed to crash
910      to ensure proper customization
911    
912    checkpoint52a_post
913    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
914      - moved surfaceTendencyTice from pkg/seaice to main code
915      - subroutine FREEZE_SURFACE now limits only surface temperature
916        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
917        => new output.txt for global_ocean.cs32x15 & global_with_exf
918      - keep the old version of FREEZE for backward compatibility;
919        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
920      - corresponding modifs for TAF directives
921    o added surface flux output variables to TIMEAVE_STATVARS
922    o time-averaged output for pkg/ptracers
923    o fix problem with ECCO-related divided adjoint
924      snapshot file was missing some ad-variables,
925      but no warning issued by TAF
926    
927    checkpoint52a_pre
928    o some bug fixes for #undef REAL4_IS_SLOW
929    
930    checkpoint52 = ecco_c52_e35
931    o after testing adjoints of checkpoint51u_post
932    
933    checkpoint51u_post
934    o this is the post-merge tag of the ecco-branch
935      (needs another clean checkout and re-testing)
936    o various natl_box_adjoint configs and results
937      but no input fields
938    o obcs adjoint not yet merged!
939    o adding ECCO global 1x1 and 2x2 degree configs
940    o updated/extended some store directives for seaice
941    o pkg/ecco now containes ecco-specific part of cost function
942    o top level routines the_main_loop, forward_step
943      supersede those in model/src/
944      previous input data.cost now in data.ecco
945      (new namelist ecco_cost_nml)
946    o in ctrl/ cleaned some cross-dependencies and updated CPP options
947    
948    checkpoint51t_post
949    o this is the pre-merge tag of the ecco-branch
950    
951    checkpoint51s_post
952    o cleanup: removed various obsolete #define-s
953    o pkg/grdchk
954      - renamed 'ph-grd 3' to 'grad-res'
955      - merged from ecco-branch
956        (remaining bug fixes for obcs gradient checks)
957      - additional high-precision output for testreport
958        (grep for 'precision_grdchk_result')
959    
960    checkpoint51r_post
961    o cleaned up or removed CPP_OPTIONS.h files
962    o updated results for some of the tests to reflect the new
963      optfiles (-ieee: -O0 instead of -O3)
964    
965    checkpoint51q_post
966    o cd_code:
967      - moved cd_scheme.F -> cd_code_scheme.F
968      - separate read_checkpoint from cd_code_ini_vars.F
969      - separated cd_code part from write_checkpoint
970      - updated AD_SOURCE, generated .flow
971      - added CD_CODE_VARS.h to the_main_loop
972      - Moving cd_code specific store dir.s to pkg/cd_code
973    o ctrl package totally restructured
974      - pack/unpack now optional and decoupled from
975        xx_/adxx_ I/O
976      - ctrl_pack/unpack cleaned
977        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
978      - confined inclusion of AD_CONFIG.h to where necessary.
979    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
980    
981    checkpoint51p_post
982    o create initial cd_code package
983      - WARNING: the initialization of fields within packages
984        is broken because INI_FIELDS (where READ_CHECKPOINT is
985        called) is called *before* PACKAGES_INIT_VARIABLES.
986        This seems to be backwards since
987        1) its important to initially zero the entire field including
988           the "halo" region
989        2) zeroing needs to be done *before* reading pickup info
990           and the pickup call might or might not happen in any
991           particular run
992      - this needs an overhaul for R2
993    o cleanup verification/*/code/GMREDI_OPTIONS.h
994    o cleanup testreport
995    
996    checkpoint51o_post
997    o bringing AD-related verif's up to date with genmake2
998      - carbon/
999      - global_ocean.90x40x15/
1000      - hs.94.1x64x5/
1001      - (front_relax/ )
1002    o (more) consistent directory structure for AD-related verif.'s
1003    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1004    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1005    o bug fix in find_alpha.F for MDJWF:
1006      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1007        change rho -> rho-rhoConst
1008      - replace call find_rho to find_rhonum
1009    o initialisation of rFlx extended to full array (required by TAF)
1010      and shifted to thermodynamics
1011    o removed PTRACERS.h in ptracers routine
1012    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1013    o Correcting initialisations for fVerU, fVerV.
1014    o helping TAF to recognize dependency on kUp for
1015      fVerU, fVerV
1016    o Replacing delZ by delR in pkg/ctrl/
1017    checkpoint51o_pre
1018    
1019    o undid all of cp51 pending some cleanups and discussion
1020    o added the [#include "AD_CONFIG.h"] statement to all files that need
1021       it for adjoint/tl #defines
1022     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1023     o removed tools/genmake since it no longer works
1024    
1025    checkpoint51n_post
1026    o modifications to make FREEZE flux visible to pkg/kpp
1027      - moved surfaceTendencyTice from pkg/seaice to main code
1028      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1029      - subroutine FREEZE now limits only surface temperature
1030        (this means new output.txt for global_ocean.90x40x15,
1031         global_ocean.cs32x15, and global_with_exf)
1032    o added surface flux output variables to TIMEAVE_STATVARS
1033    
1034    checkpoint51n_pre
1035    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1036    o added [#include "AD_CONFIG.h"] to all files that use the following
1037      defines:
1038      - ALLOW_ADJOINT_RUN
1039      - ALLOW_TANGENTLINEAR_RUN
1040      - ALLOW_ECCO_OPTIMIZATION
1041    
1042    checkpoint51m_post
1043    o incorporating changes to get TAMC/TAF working in genmake2
1044      - added new TAMC/TAF targets to the Makefile
1045      - various cleanups related to package handling
1046      - these changes should have no impact on the forward model
1047    
1048    checkpoint51l_post
1049    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1050     - faster algorithm for cal_addtime.F
1051     - higher precision arithmetic, where needed
1052     - pkg/exf *startdate variables changed from calendar date to
1053       model integration time
1054    
1055    checkpoint51l_pre
1056    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1057    o enable to apply restoring on S & T only in a latitude band.
1058    o update output (external_forcing_surf modif. change truncation errors)
1059       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1060    
1061    checkpoint51k_post
1062    o change default to: useNHMTerms=.FALSE.
1063     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1064       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1065     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1066        exp1, ideal_2D_oce
1067     - change data file of oceanic exp (leave the results unchanged for now)
1068       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1069    o set gravitySign automatically according to the vertical coordinate used
1070      (and change sign: back to "logical" value: +1 when R increases downward)
1071    o added an include barrier to the default CPP_OPTIONS.h and
1072      removed the #include "PACKAGES_CONFIG.h" from it
1073    o fix a bug in mom_fluxform (from chk51j_post)
1074    
1075    checkpoint51j_post
1076    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1077    o adjusted some flow directives (dynamics, thermodynamics)
1078    o added cubed-sphere case to test cost function
1079    o heckpoint_lev?_directives.h now include
1080      pkg-specific directives, whenever those are enabled.
1081    o Moving pkg-specific flow directives to corresponding pkg
1082      Moving pkg-specific differentiation list to corresponding pkg
1083      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1084      ---> conventions are
1085           - pkg_ad.flow
1086           - pkg_ad_diff.list
1087           - pkg_ad_check_lev?_dir.h
1088    
1089    checkpoint51i_post
1090    o merge of the branch-genmake2
1091      - knowingly breaks the older genmake
1092      - automatic generation of all ALLOW_${PKG_NAME} defines
1093      - new testreport supersedes older testscript
1094    o large number of package inclusion and header cleanups
1095    checkpoint51i_pre
1096    
1097    o new output for adjoin of global ocean vector invariant
1098    o fix for checkpoint of thermodynamic seaice and bulk_force
1099    o Steph gchem various cleanups
1100    
1101    checkpoint 51h_pre
1102    o fixed some single quotes
1103    o modify gchem pkg to be more versatile
1104    o modifications to clean up dic pkg
1105    o add pkg/cfc
1106    
1107    checkpoint51g_post
1108    o provide links for ARPACK and ADM*TLM
1109    o start removing verification/vero/
1110    o update AD-related stuff
1111      (in particular some IF-statements in model/src/ routines)
1112    o adding to verification/global_ocean.90x40x15/ adjoint of
1113      vector invariant setup
1114    
1115    checkpoint51f_post
1116    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1117    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1118      of tracer Green's fucntions for ocean inversion project.
1119    
1120    checkpoint51f_pre
1121    o Added on-the-fly spatial interpolation capability
1122        "USE_EXF_INTERPOLATION" to pkg/exf.
1123      - This is a temporary Cartesian-grid hack until
1124        the super-duper ESMF coupler becomes available.
1125      - See verification/global_with_exf/README for usage example.
1126      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1127        flags and modified pkg/seaice accordingly.
1128    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1129        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1130        non-local transport term.
1131    
1132    checkpoint51e_post
1133    o pkg/mom_vecinv:
1134      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1135      - add time-ave diagnostic of vorticity advection.
1136    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1137    o atmospheric geopotential: - include water vapor effect;
1138                                - use p^kappa in p* scaling.
1139    o land pkg: read initial state from files.
1140    o AIM : add stratospheric drag in the upper level
1141    
1142    checkpoint51d_post
1143    o change function ILNBLNK (=> last non-blank char.) to return zero
1144      (instead of the string length) when the string. char is empty
1145    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1146    o modif's to restore TAMC compatibility
1147      - avoid "_d" constructs in PARAMETER declarations
1148      - avoid interrupting lines by comment lines
1149    o Use cluster local disks for purely local I/O
1150      vs. globally visible disks needed for ctrl stuff
1151      (merged from ecco-branch)
1152      - new active_file_loc... and mdsio_..._loc routines
1153      - affected packages: autodiff, ctrl, grdchk, mdsio
1154    
1155    checkpoint51c_post
1156    o introducing integer flag debugLevel
1157      - debLevZero: suppress all output
1158      - debLevA: standard
1159      - debLevB: equivalent to current debugMode=.TRUE.
1160    o introducing pathname variable mdsioLocalDir for mdsio
1161      that can be specified at runtime
1162      (relevant for cluster I/O to local disk)
1163    `
1164    >>>checkpoint51b_post
1165    adjoint of ptracers
1166    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1167    o extended state in checkpoint_lev?, etc.
1168    o alternative ctrl/cost with tr1 or ptracer
1169    o new comlev1_bibj_ptracers
1170    o new ptracers.flow
1171    o made ptracers_forcing same as external_forcing_s
1172    o added verification for adjoint with ptracers
1173      - adm. grdchk fail so far
1174      - tlm. grdchk OK
1175      - checked tapelev/comlev recomputations: OK
1176    <<<checkpoint51b_pre
1177    
1178    checkpoint51a_post
1179    o added code for biogeochemistry package
1180      - new pkgs: dic, gchem
1181      - new subroutine in ptracers
1182    o modify code for biogeo packages
1183      - in model/src and pkg/ptracers
1184    
1185    checkpoint51
1186    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1187      - autodiff, ctrl, exf, grdchk, seaice
1188      kept separate packages
1189      - cost, ecco, obcs
1190    o updating verification/internal_wave, verification/lab_sea
1191      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1192    
1193    checkpoint50i_post
1194    o Preparing next differentiable checkpoint and sync
1195      of MAIN vs. ecco-branch
1196      - 1st step: this one is differentiable
1197      - 2nd step: next(! not this) checkpoint will have updated packages
1198                  from ecco-branch)
1199    
1200    checkpoint50h_post
1201    o new package "land": provide surface BC for AIM.
1202    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1203    o AIM: use true log-P extrapolation for near surface temp (= as in
1204        F.Molteni paper) ; update aim.5l_cs output.
1205    o New variable in PARM03 for more flexible pickups
1206    o somewhat cleaned package initialisation sequence for
1207      ctrl/ cost/ ecco/ in packages_... routines
1208    
1209    checkpoint50g_post
1210    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1211      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1212      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1213        made the default because of faster convergence than ADI
1214    
1215    checkpoint50f_post
1216    o exf totally restructured
1217      - replaced all exf_set_ routines by one generic exf_set_gen.F
1218        and made sure it's still differentiable
1219      - split exf_getffields.F into new exf_bulkformulae.F
1220      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1221      - updated adjoint/makefile and relevant verif. accordingly
1222    
1223    checkpoint50f_pre
1224     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1225          + change Evap over land. (update aim.5l_cs output)
1226     o added missing .cvsignores and made uniform across expts
1227     o changed configuration of tidal_basin_2d expt
1228     o added pkg/debug functions for tracing code in fatal crashes
1229     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1230     o new fn in pkg/monitor to stop model if solution grows too big
1231     o removed lots of single quotes from comments
1232    
1233    checkpoint50e_post
1234    o make KPP work with PTRACERS
1235     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1236       nearly a copy of kpp_transport_s
1237     - there is no analogue to SurfaceTendencyS, so I have to use
1238       gPtr(of the surface layer) instead
1239    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1240    checkpoint50e_pre
1241    
1242    checkpoint50d_post
1243    o change kpp output from multiple-record state files to single-record state
1244      files analogous to write_state.F
1245    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1246      analogous to the cg2d-related output.
1247    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1248      so that writing to internal file fn (with length 512) fails.
1249    checkpoint50d_pre
1250    
1251    checkpoint50c_post
1252    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1253    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1254    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1255    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1256    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1257    
1258    checkpoint50c_pre
1259    Merging from release1_p13:
1260    o bug fix for pkg/seaice dynamic solver
1261    o Added SEAICE_initialHEFF to pkg/seaice
1262    
1263    checkpoint50b_post
1264    o store u*,v* in gU,V instead of in guNm1,gvNm1
1265    o in order to put the momForcing out of the Adams-Bashforth:
1266      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1267      to timestep.F
1268    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1269    o re-generate output for highly sensitive test-exp:
1270       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1271    
1272    checkpoint50b_pre
1273    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1274    o corrected CPP option mismatch in exf_Bulk... functions for case
1275      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1276    
1277    checkpoint50a_post
1278    o Bug fix for merging between c50 and KPP.
1279      ikey was passed from thermodynamics to kpp_calc via
1280      common block rather than being recomputed in kpp_calc,
1281      in contradiction with new key itdkey.
1282      New key ikppkey created, and tamc.h headers updated.
1283    
1284    checkpoint50
1285    - 2nd step of merge with ecco-branch:
1286      merge changes in ecco-branch back into main trunk
1287    - bug fix in find_alpha
1288    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1289    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1290    - merged some sliced AD support routines
1291    
1292    checkpoint49
1293    merged from ecco-branch:
1294    o exf:
1295      - Enable initialisation of forcing fields to constant
1296        (runtime) values.
1297      - in exf_getffields.F
1298        Reduce i-/j-loop to interior domain, discarding overlaps.
1299        That also fixes wrong TAF-key computations for key_1, key_2
1300        with bulf formulae.
1301      - exf_init.F modify #ifdef for exf_init_evap
1302      - exf_getffieldrec.F, ctrl_getrec.F
1303        The following INT-usages are not safe:
1304          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1305          fldcount = int(fldsecs/fldperiod) + 1
1306        and were modified.
1307    o autodiff: checkpoint_lev...
1308      - updated storing for bulk formulae (some arrays were missing)
1309      - added state for seaice package
1310      - synchronized with main branch
1311    o DIVA:
1312      Modif.s in
1313      - the_main_loop.F
1314      - the_model_main.F
1315      and added cost_final_restore.F cost_final_store.F
1316      o With these changes, it is possible to fully separate
1317        the first forward run to compute the cost function (mdthe_main_loop)
1318        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1319        into separate model executions.
1320        This enables better tuning of DIVA to given queue sizes.
1321      o Loss of cost function value in consecutive DIVA runs is
1322        fixed by storing to 'costfinal' file.
1323      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1324        beginning/end of adjoint integration is accounted for.
1325      The current changes apply to TAF-1.4.26.
1326      TAF has one remaining bug, requiring one manual change
1327      (see MITgcm manual).
1328    o cal: synchronized between MAIN and ecco-branch
1329    
1330    checkpoint48i_post
1331    o Changes to restore differentiability of code w.r.t. previous tag
1332      (mostly adding new routines to make list and replacing
1333      pressure by totPhiHyd).
1334    o Updated and merged grdchk package
1335      - has both ADM and TLM checks
1336      - works for single- and multi-proc.
1337      - output cleaned
1338      - worked successfully for parallel DIVA
1339    o genmake:
1340      - Adding -platform=SP4
1341      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1342    o Modif. for DIVA:
1343      ctrl_unpack should not be called in intermediate DIVA interval.
1344      (similar thing would apply for active files such as
1345      tbar, sbar, psbar, which should not be reinitialised;
1346      only relevant for ecco-branch)
1347    
1348    checkpoint48h_post
1349    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1350    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1351    o Added SEAICE_initialHEFF to pkg/seaice
1352    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1353    
1354    checkpoint48g_post
1355    --- EOS:
1356    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1357      store total Potential in totPhyHyd for diagnostics & EOS.
1358    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1359    --- Pressure/geopotential gradient:
1360    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1361    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1362      ( changes results of global_ocean_pressure )
1363    o NLFS + z-coord.: add eta*Rho' contribution.
1364    o accurate phiHyd when using interface-W at the middle between 2 centers
1365     ( changes results of ideal_2D_oce )
1366    o includes r* 2nd term in potential gradient.
1367    
1368    checkpoint48f_post
1369    Merging from release1_p12:
1370    o Modifications for using pkg/exf with pkg/seaice
1371      - improved description of the various forcing configurations
1372      - added basic radiation bulk formulae to pkg/exf
1373      - units/sign fix for evap computation in exf_getffields.F
1374      - updated verification/global_with_exf/results/output.txt
1375    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1376      (SBO) core products, including oceanic mass, center-of-mass,
1377      angular, and bottom pressure (see pkg/sbo/README.sbo).
1378    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1379      to avoid negative values in shallow regions.
1380      - updated verification/natl_box/results/output.txt
1381      - updated verification/lab_sea/results/output.txt
1382    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1383    o Added useSingleCpuIO option (see PARAMS.h).
1384    o Updated useSingleCpuIO option in mdsio_writefield.F to
1385      work with multi-field files, e.g., for single-file pickup.
1386    o pkg/seaice:
1387      - bug fix in growth.F: QNET for no shortwave case
1388      - added HeffFile for specifying initial sea-ice thickness
1389      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1390    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1391      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1392    o pkg/seaice:
1393      - adjoint-friendly modifications
1394      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1395    
1396    checkpoint48e_post
1397    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1398    o dynamics: change definition of computational domain & adapt mom_fluxform
1399      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1400    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1401        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1402        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1403        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1404        inverted_barometer solid-body.cs-32x32x1
1405      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1406    
1407    checkpoint48d_post
1408    o in preparation for r*:
1409     a) use pre-computed gradient of hydrostatic potential:
1410        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1411     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1412        => affects results of glob_oce_pressure (different truncation error)  
1413      update output.txt of ideal_2D_oce & global_ocean_pressure
1414    
1415    checkpoint48d_pre
1416    o in preparation for r*:
1417      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1418      pass the 2 comp. of the grad. as arguments to momentum S/R.
1419      but for the moment, only used if it does not change the results.
1420    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1421    
1422    checkpoint48c_post
1423    Modifications in treatment of initial flux forcing controls
1424    to avoid extra storing of flux fields.
1425    
1426    checkpoint48c_pre
1427    o Added tidal_basin_2d experiment (currently 1D!)
1428    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1429    
1430  checkpoint48b_post  checkpoint48b_post
1431  o r* coordinate added in #ifdef NONLIN_FRSURF block.  o r* coordinate added in #ifdef NONLIN_FRSURF block.
1432   (modification to pressure gradient not yet implemented)   (modification to pressure gradient not yet implemented)

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