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revision 1.127 by adcroft, Thu Jan 30 18:35:42 2003 UTC revision 1.522 by heimbach, Fri Jul 29 05:25:55 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    I'LL TAG TOMORROW
8    
9    o adding precip control xx_precip 32
10    o adding swflux control xx_swflux 33
11    o Replacing 10 forcing penalty cost routines by 1 generic.
12    o Implementing partitioning in time-mean and variable adjustment
13      for atmos. state.
14    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
15    o in natl_box_adjoint:
16      * updated exp 1 to 10
17        (but does not have time-mean vs. variable split results yet)
18    o enable useSingleCpuIO for mdsio vector routines
19      (applies in particular to tapelev I/O)
20    o removed inefficient K-loop in all active_file*control*.F
21    
22    checkpoint57m_post
23    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
24      and advect_cs (use EXCH-2 and standard cs-32 grid files).
25    o pkg/exch2: filling of face-corner halo regions is optional
26      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
27    
28    checkpoint57l_post
29     tag before updating tutorials (pre-release-2)
30    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
31       for output and interpolation of input fields onto model grid)
32    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
33       Affects results of exp. rotating_tank ; update output.txt.
34    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
35          and taking the square quantity and/or using a fraction-weight field.
36    o fix aim_diagnostics_init.F mate numbers.
37    o add mnc output capability to diagnostics/diagstat and update
38      our cvsignore files for the ACSII output generated
39    
40    checkpoint57k_post
41    o lab_sea now uses diagnostics package and provides a suite of
42      new EXF diagnostics output.
43    
44    checkpoint57j_post
45    o exf
46      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
47        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
48        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
49      * extended diagnostics output
50        - now includes all EXF variables
51        - hs, hl moved to common block
52        - separate S/R for diagnostics, called after ctrl vector is added
53        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
54        - EXFqnet contains true Qnet (i.e. includes qsw)
55      * updated verif. lab_sea, global_with_exf
56      * Rearranging hflux (exf_mapfields -> exf_getforcing)
57        to ensure that diagnostics sees a true EXFqnet
58    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
59    o diagnostics pkg: change pointers so that 1 diagnostic can be used
60      several times with different frequencies.
61    o mnc-ify the thsice package as requested by Daniel Enderton
62      - the monitor--MNC output needs work
63      - many attributes need to be added (most are currently blank)
64    o mnc-ify theaim_v23 package as requested by Daniel Enderton
65      - many attributes need to be added (most are currently blank)
66    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
67    o add Sadourny like discretization to the 4th.O vorticity advection scheme
68    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
69      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
70         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
71    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
72     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
73    
74    checkpoint57i_post
75    o Diagnostics package was changed: diagnostic allocation is now deactivated
76      by setting an empty file name in the namelist (used to be by setting 0 frequency)
77    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
78      add 1rst Order upwind vertical Shear.
79    o add a quick fix for A/B checkpointing in OFFLINE mode
80    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
81      end-run around the C/Fortran linking horror in eesup/src/timers.F
82    o added pkg/runclock: allows user to terminate run based on wall clock
83    o added non-hydrostatic scaling parameter: nh_am2
84    o pkg/my82: futile attempt to make results compiler-independent by adding
85      some "_d 0", etc. no effect.
86    o for mnc output, fill the 'T' coordinate var with myTime and create a
87      separate 'iter' variable for iteration count
88    o pkg/diagnostics:
89      add new capability: output of Global/Regional & per-level statistics ;
90      tested against monitor output (including land & thSIce) on various exp.
91    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
92    
93    checkpoint57h_done
94      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
95      data.diagnostics, data.gchem, data.ptracers) is done.
96    
97    o pkg/diagnostics: prepare for Global/Regional statistics.
98      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
99    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
100      and rename it: DIFFERENT_MULTIPLE
101    
102    checkpoint57h_post
103    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
104    o pkg/diagnostics: change output frequency, now in seconds (instead
105      of Nb of iterations). This requires to change data.diagnostics.
106    checkpoint57h_pre
107    
108    o in mnc, let the user create the output dir if both mnc_outdir_date
109      and mnc_outdir_num are false
110    o add fflags() to pkg/diagnostics which allows one to specify, on a
111      per-file basis, the file precision [default behavior is unchanged]
112    o added diagnostics to pkg/kpp, including computation of mixed layer
113      depth based on a temperature/density criterion
114    o updated verification/natl_box to test the new pkg/kpp diagnostics
115    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
116    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
117    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
118      not mnc -- this mistake was found by JMC and is now corrected
119    
120    checkpoint57g_post
121    o add Adams-Bashforth 3rd Order time stepping:
122      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
123      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
124    checkpoint57g_pre
125    
126    o make lambda[Theta,Salt]ClimRelax spatially varying
127      (default remains spatially uniform constant based on tau)
128    o added new control variables
129      * init. uVel, vVel, etanN
130      * lambda[Theta,Salt]ClimRelax
131    o separate masks used for ctrl_pack/unpack 'from write_grid' output
132      (suggested by G. Forget)
133    
134    checkpoint57f_post
135    o add parameter "baseTime" = model base time = time at iteration zero
136      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
137      account for baseTime shift
138    o move Coriolis arrays from PARAMS.h to GRID.h
139    checkpoint57f_pre
140    
141    o mnc-ifying the seaice package
142    o introduced an alternative length scale calculation for use in the limiting
143      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
144    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
145    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
146      as well as grad(vort3).  Made it compatible with both approximate form
147      for the cubed sphere and full form of these gradients.  Added flag
148      useFullLeith to select between approximate and full form.  
149    o add "d0" in getcon.F to reduce differences between compilers/platforms
150      update output.txt of exp. fizhi-gridalt-hs
151    o change port_rand funtion to allow to set the seed.
152    o fix obscure MNC bug involving conversion between reals and integers
153      - it caused no problems with certain (eg. gcc, ifc) compilers but the
154        new version is now more standards-compliant
155    o adjoint-related modifications
156      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
157      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
158      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
159    
160    checkpoint57e_post
161    o Adding eddy stress controls a la Ferreira et al.
162    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
163    
164    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
165      update output.txt of exp. fizhi-gridalt-hs
166    o add more "Z" dimensions and associated coordinate vars to MNC
167    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
168    o parameter calendarDumps: when set, approximate months (30-31 days) and years
169      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
170      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
171      months and years.  Requires pkg/cal.
172    o diagnostics: add pickup functionality
173      - off by default for backwards compatibility
174      - current version only uses MDSIO -- MNC will be added
175    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
176    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
177    
178    checkpoint57d_post
179    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
180    o modify verification/ideal_2D_oce so that it tests the creation of mnc
181      output from the diagnostics package
182    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
183    o make genmake2 more portable by using ".$FS" instead of ".f" for more
184      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
185    o add coordinate variables to the MNC output from the diagnostics package
186    o change MNC-flags default value: true when useMNC=TRUE
187    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
188      the ability (off by default) to read the grid information using MNC
189    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
190    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
191    o do snap-shot diagnostics at the middle of the time-interval (instead of
192      at the end).
193    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
194      new test for AIM with thSIce + slab-ocean
195    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
196    o move state variable diagnostics to the beginning of the time step ;
197      (note: still needs some work specially for snap-shot diagnostics)
198      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
199    
200    checkpoint57c_post
201    o Change testing option (-ieee) to get closer agreement between g77 & ifort
202    o generate new output.txt files on faulks with g77 & the new -ieee option
203    checkpoint57c_pre
204    
205    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
206      update output.txt of exp. global_ocean.90x40x15
207    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
208      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
209    o add saltFlux(+File) forcing capability with periodicExternalForcing
210    o allow to use pkg diagnostics for GM-Redi & ThSIce output
211    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
212    o improvements for the MNC output from DIAGNOSTICS:
213      - correct handling of the unlimitied dimension
214      - all dims now have associated coordinate variables
215      - variables located at U, V, and Corner ("Z") points are now written
216        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
217        *all* data points are output
218    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
219    o added pkg/seaice/seaice_monitor.F
220    o mdsio_readfield.F can now read files visible only to master MPI process.
221    o pkg/seaice: some test code for ice-modified ocean stress
222    o exf_getffields interpolation defaults to bilinear for all scalar forcing
223      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
224      spurious negative numbers for precipitation and humidity.  Will cause
225      some small numerical differences for integrations using pkg/exf/exf_interp.F.
226    o pkg/ctrl/
227      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
228        May be enabled via doPackDiag
229      *  introduce z-scaling of
230         + gradient (doZscalePack) and
231         + control (doZscaleUnpack)
232    o pkg/mdsio/
233      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
234      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
235    
236    checkpoint57b_post
237    o simplify options in diagnostics_fill arguments (remove weird combinations)
238    o fix MNC coordinate variables so that they now contain per-face index
239      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
240      general, EXCH2 grids are only aligned to a "local" coordinate system
241    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
242    o Implement instantaneous output within pkg diagnostics:
243      setting a negative frequency in data.diagnostics produces
244     "snap-shot" output (as opposed to time-average if freq > 0)
245    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
246      NOTE: change ptracer diagnostics name: use 2 characters to work with
247            more than 9 tracers. Add also diagnostics of advect & diffus flux.
248    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
249      becomes the coordinate variable for the 'T' dimension
250    o add CF-style coordinate variables to MNC
251      - just a first cut:  numbers are meaningless on the cubesphere and
252        missing along the T axis but otherwise it works!
253    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
254    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
255    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
256      this is based directly on what the model compute, so that the content of
257      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
258    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
259    o clean up build options files for SunOS, in particular
260      - remove -traditional from xmakedepend
261      - change -xarch=v9 to -xarch=native for f77
262      - restore use of make (not gmake)
263      - add CC=gcc if using g77
264    o changes per discussion of AM, JMC, & EH3 today:
265      - move redundant "grid" variables out of "state" -- in preparation of
266        creating proper CF-style coordinate variables and in recognition
267        that any/all grid variables can be easily copied (eg. w/NCO) from
268        the grid files into any of the other NetCDF files
269      - *always* output grid variables with MDSIO (this will eventually be
270        changed)
271      - output MNC grid file if useMNC is true
272    o every instance of _END_MASTER() has been found and replaced with
273      _END_MASTER( myThid ) in order to satisfy certain picky Sun
274      preprocessors
275    o re-arrange diagnostics pkg initialisation:
276     - allow each package to extend the available diagnostics list
277     - add some checking and fix small problems (multi-threaded, ...)
278     - new S/R diagnostics_fill (replace fill_diagnostics):
279       look through the short list of active diag. (instead of the long list)
280       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
281    
282    checkpoint57a_post
283    o this set of changes restores TAMC compatibility
284      tested for global_ocean.90x40x15 adjoint on trough
285      (what a pain)
286    
287    checkpoint57a_pre
288    o some modifs in tools/build_options for sunos
289    o call ctrl_pack for ctrl at end for optimcycle=0
290    
291    checkpoint57
292    o add horizontal bi-harmonic viscosity for vertical velocity
293      - new parameter viscA4W (defaults to viscA4)
294      - affects only non-hydrostatic code
295      - to be done: no-slip lateral boundary conditions
296    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
297    o implement Implicit Vertical advection for pTracers
298    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
299      (implemented also for implicit vertical diffusion & advection)
300    o OBCS: extend application of tracer open boundary conditions
301      to a strip beyond the boundary of width Olx/Oly
302    o add call monitor to TAF set of required calls (flow directives)
303      and include in natl_box_adjoint
304    o untangle a few ifdefs related to cost, ctrl, autodiff
305      untangel a few ALLOW_ECCO_OPTIMIZATION
306    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
307      (theta2, salt2 in ecco_cost_weights)
308    
309    checkpoint56c_post
310    o OBCS as control variables
311      - update ctrl_ad_diff.list, obcs_ad_diff.list
312      - remove balance of obcs controls from default
313      - fix index bug nobcs in ctrl_init
314      - fix dummy fields filen in ctrl_pack
315      - add dummy weights for obcs
316    o lsopt: comment out fort.94 output
317    o optim:
318      - remove unnecessary header files
319      - adjusted namelists
320      - add xerbla.F to Makefile
321    o exf:
322      - multiple modifications of exf_check_range
323      - unit change in exf_init_runoff from [m/year] to [m/s]
324    o mdsio:
325      - i/o-vector change debugLevel from debLevA to debLevB
326    
327    checkpoint56b_post
328    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
329      is called from DO_THE_MODEL_IO
330      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
331      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
332      - clean up PTRACERS_WRITE_TIMEAVE a little
333    o add another verification experiment that tests both the cfc-pkg and
334      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
335      reactive tendencies treated inline with regular timestepping
336    o testreport previously did a lousy job of comparing small numbers, so
337      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
338      implemented in the little c-progam tmp_cmpnum.c which is embedded in
339      testreport.
340    o ptracers_monitor: bug fix for MPI
341    
342    checkpoint56a_post
343    o GCHEM: finish reorganizating the package
344      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
345        (introduces another 3D-array for each passive tracer, but only if
346        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
347        gchemTendency is not needed because the timestep is done separately)
348      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
349      - GCHEM is now---more or less cleanly---separate from PTRACERS
350      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
351        so clear to me how that should be done in a general way.
352    o CFC: improve formatting of output in CFC_ATMOS
353    o PTRACERS:
354      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
355        that ALL experiments with ptracers enable can be checked. This makes
356        GCHEM_MONITOR obsolete.
357      - include a runtime parameter PTRACERS_monitorFreq that defaults to
358        monitorFreq
359      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
360    o add PTRACERS (PTR0[1-5]) to testreport output
361    o exf_check_range:
362      * default changed to .TRUE.
363      * will check values for niter0 if debLevA, every timestep if debLevB
364      * STOP in exf_check_range if 'out of range'
365      * range chosen generous to allow for potential extema
366      TBD: a version with stricter range
367           permitted range would be runtime parameters
368    o GMredi:
369      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
370      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
371      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
372    o GCHEM:
373      - move call to GCHEM_FORCING_SEP, so that it is now called before
374        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
375      - introduced a useGCHEM runtime flag and applied it everywhere.
376      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
377        this flag is now only visible within GCHEM-pkg routines.
378      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
379        be replaced by a 3D array that is computed before thermodynamics; for
380        this, the tracer ID iTracer had to be included into the parameter list
381        of ptracers_forcing
382      - set up forward_step to call gchem_forcing, that will replace
383        gchem_forcing_int in ptracers_forcing
384      - cleaning up
385    o small cleaning of exch2: remove files that are also in eesupp/src
386    
387    checkpoint56
388    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
389    o mnc: cleanup "full" files--fixes out-of-memory problem
390    o ECCO-GODAE
391      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
392      * fully merged and updated from SIO code
393        windstress sign change affects
394        - exf_inscal_[u/v]stress
395        - sign of xx_tau[u/v] adjustments
396        - signs in cost_scat
397      * ctrl_get_gen: avoid update of tau[u/v] for first few days
398      * natl_box_adjoint updated and compressed
399      * 2-level checkpoint switch added
400        (tested in EXP. 1 of natl_box_adjoint)
401      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
402    o SVD
403      * first complete, non-hacked version for SVD calculations
404      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
405        performed via direct access files admtlm_vector.it????
406        (via ctrl_[un]pack)
407      * optimcycle is used for ARPACK iteration counter
408        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
409      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
410        and add linear transforms where necessary
411      * controls are initial/final SST, SSS (can be extended; need to check
412        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
413    o mdsio: filename info to both stderr, stdout
414    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
415      from sign change
416    
417    checkpoint55j_post
418    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
419      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
420    o add consistent build directories and .cvsignore files to verification
421    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
422    o make all subroutines 30 or less characters in length for certain older
423      compilers to work (a thorough search only turns up two routines in
424      pkg/ptracers)
425    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
426      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
427    
428    checkpoint55i_post
429    o change arrays for total vertical diffusivity (2.D if explicit,
430      3.D if implicit) ; each ptracer uses its own background value.
431    o added mnc/NetCDF output capability to ocn_compon_interf
432      - added bits to verification/cpl_aim+ocn so that it can run on
433        ITRDA and other clusters without the mpirun "-wd" option
434    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
435      configuration
436    o give MNC the ability to create additional files rather than
437      exceeding a specified file size limit "MNC_MAX_FILESIZE"
438      - the default is just less than 2GB which is a practical limit
439        on many systems
440    o Compute the non-local term using either KPP vertical diffusivity (=default)
441       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
442    
443    checkpoint55h_post
444    o add verification test "vermix"
445    o remove all the *_ioinc flags and replace with the single global
446      outputTypesInclusive flag
447    o allow to set a vertical profile of vertical diffusivity for T & S
448    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
449    o useMNC moved from data.mnc to data.pkg
450    
451    checkpoint55g_post
452    o Renaming carbon AD experiments to comply with testreport conventions
453    o Updating adjoint of Held-Suarez hs94.1x64x5
454    o Fixing directives for non-ECCO forward_step, after ECCO directives
455      have been fixed to avoid recomp. of do_oceanic_phys
456      Works well for global_ocean.90x40x15,
457      but recomp. issue remains for carbon
458    o Updating adjoint output for natl_box_adjoint after
459      pkg/ecco has been modified (see taga c55d_post)
460    
461    checkpoint55f_post
462    o rename to timeave_init_fixed
463    
464    checkpoint55e_post
465    o some delicate re-shuffle of store directives to avoid one
466      extra call of do_oceanic_physics
467      affects ecco_the_main_loop.F, do_oceanic_physics.F
468      checkpoint_lev1_directives.h
469    o NB: this may break global_ocean adjoint temporarily,
470      but it is clear how to fix it. Will do later, need this now.
471    
472    checkpoint55d_post
473    o ECCO specific cost function terms (up-to-date with 1x1 runs)
474    o ecco_cost_weights is modified to 1x1 runs
475    o modifs to allow observations to be read in as
476      single file or yearly files
477    o enable to read exf forcing fields as either
478      single file or yearly files (flag useExfYearlyFields)
479    checkpoint55d_pre
480    
481    o switch between 2-level and 3-level checkpointing
482    o add ability of MNC to write local and "partial" (eg. 2D slices where
483      the full 3D field is never actually stored) arrays to NetCDF files
484      with the correct (that is, the complete multi-dimensional) set of
485      array indicies
486      - used in mom_vecinv() to write the diagFreq output
487      - tested (demonstrated) in verification/aim.5l_cs
488    o further mnc-ification
489      - add verification/lab_sea to the list with mnc setups
490      - fix undefined mnc v-names in cd_code
491      - add kpp to mnc output (both snapshot and timeave)
492    o non-hydrostatic code
493      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
494        in calc_gw.F
495      - defaults to viscAh
496      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
497        friction or Leith) in non-hydrostatic mode, as long as there is
498        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
499    o pkg/cost
500      extend simple cost functions to treat time mean quantities
501      (T,U,V) via cost_accumulate_state from cost_tile
502    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
503        be 2 times larger than the minimum size the advection scheme requires.
504        now get a perfect conservation of salt in advect_cs test-exp (updated)
505    o GGL90 (Gaspar's TKE mixed layer)
506      - add horizontal diffusion of TKE, requires exchanges in
507        do_fields_blocking_exchanges, horizontal diffusivity is zero by
508        default. In OPA there is no horizontal diffusion of TKE but the
509        mixing coefficients are computed from a horizontal average of TKE of
510        6 points or so. I think that diffusion has a little more physical
511        justification.
512      - clean up ggl90_calc in the hope of reducing memory usage (this hope
513        was in vain)
514      - mask tke-variable in ggl90_init
515    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
516    o fix biharmonic diffusion on CS-grid.
517    o more obcs stuff
518      - added obcs_external_fields_load as an alternative to the EXF-pkg option
519        for reading boundary values. This routine is called from
520        obcs_prescribe_read
521      - updated obcs_check
522      - changed sponge layer relaxation parameter units for days to seconds
523      - turned off sponge layer by default
524      - changed argument list of OBCS_CALC to myTime+deltaTclock
525      - fixed about 35 bugs in obcs_external_fields_load
526    
527    checkpoint55c_post
528    o obcs stuff
529      - new runtime flags useOBCSprescribe, useOBCSbalance
530      - re-arranged obcs_calc
531      - moved exf_getobcs to obcs_prescibe_read
532        obcs_prescibe_read is called after ORLANSKI stuff
533        and independent of it (executable can contain all).
534      - updated obcs_check
535      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
536        These may be necessary only if tangential velocities are
537        prescribed at OB, not sure, needs testing.
538    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
539      which simplifies the calls and passes the ifc check-bounds test
540    
541    checkpoint55b_post
542    o add a 2D scalar, Z location, exchange_2 routine.
543    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
544      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
545      affects advect_cs results (for the wrong reason): update output.txt
546    o use a more standard discretization for biharmonic viscosity ;
547     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
548      affects results of dome set-up: update output.txt
549    o fix gad_advection.F (CubedSphere part), back to version 1.23
550    o fix bug in mom_vi_del2uv.F (CubedSphere part).
551    
552    checkpoint55a_post
553    o merged code to
554      * prescribe/read time-dependent open boundaries
555        (works in conjunction with exf, cal)
556      * sponge layer code for open boundaries
557      * each boundary N/S/E/W now has its own CPP option
558        (healthy for the adjoint)
559    
560    checkpoint55
561    o up-to-date adjoint of previous breaks
562      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
563      - global_ocean_ebm: adjoint still needs fix (TLM ok)
564      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
565      - carbon: * remove tr1-related adjoint verification
566                * add ptracer as control variable
567    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
568      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
569    
570    checkpoint54f_post
571    o in verification/carbin/ remove experiment related to
572      ALLOW_PASSIVE_TRACER (array tr1 etc)
573      code_ad/ input_ad/ results_ad
574    
575    o add two new packages
576      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
577        + subject to optimization (memory)
578      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
579        + subject to reordering (many GOTOs in the original code)
580        + so far opps is called for every (i,j) point, and then operates in
581          the vertical; one may want to reorder the scheme in order operate in
582          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
583          fields)
584    o overhaul of IO so that we now have flags for MDSIO and/or MNC
585      - all verification tests compile and run with linux_ia32_g77
586      - defaults are compatible with current input files--nothing
587        should change if you were not previously using MNC
588      - MNC output has been added in numerous places (eg. timeave)
589        but there are still a few writes not yet do-able with MNC
590        (this is in progress)
591      - flags now allow for either/or/both use of MDSIO and MNC and
592        documentation will soon follow
593      - numerous small formatting cleanups for ProTeX
594    o add version info (via BUILD_INFO.h) to MNC and stdout
595    
596    checkpoint54e_post
597    o add two new packages
598      - pp81 (Packanowski and Philander, 1981), Richardson number and
599        stratification dependent mixing
600      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
601      - these scheme operate in a similar manner as KPP (without ghat, of
602        course), however there is only one diffusivity that is used for both
603        temperature and salinity (and passive tracers)ç
604    o add offline package
605    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
606      provided by Stephanie Dutkiewicz
607    o genmake2: add ability to search for C compilers and cleanup test output
608      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
609    
610    checkpoint54d_post
611    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
612    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
613      leading to additional shift by 5 days each year of integration
614       (i.e. leading to considerable offset over the years)
615    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
616    o start with no AB and no initial filtering (staggerTimeStep):
617      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
618    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
619      (external loading & cpl import/export stay in forward_step.F)
620    o update coupling interface to work with new staggerTimeStep
621    o change MDSIO ptracers_pickup.
622    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
623    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
624    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
625    
626    checkpoint54c_post
627    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
628      this affects (truncation error) output.txt of test-exp:
629       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
630    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
631    o change Qnet to always be the net heat flux, (+upward).
632      affects (truncation error) output of natl_box exp.: updated
633    o define the max number of passive tracers in PTRACERS_SIZE.h
634    o start to test mnc routinely in exp0
635    o add sea-ice loading (sIceLoad) as a new forcing field.
636    
637    checkpoint54b_post
638    o add testreport "-j JOBS" option for parallel builds (tested and pretty
639       impressive on Altix and Opteron systems)
640    o diagnostics can now write NetCDF files through the mnc package
641    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
642    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
643    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
644      affects (truncation error) output of lab_sea & natl_box exp.: updated
645    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
646    
647    checkpoint54a_post
648    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
649    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
650    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
651    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
652      + internal_wave (shift in writing cg2d_ini_res)
653    checkpoint54a_pre
654    
655    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
656      - modified verification/lab_sea and natl_box_adjoint accordingly
657    
658    checkpoint54
659    checkpoint53g_post
660    o prepare splitting of thermodynamics: store convect.counter in common block
661    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
662      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
663    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
664    o new parameter "nShapS": allow to treat differently S from T (nShapT)
665    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
666    o restore adjointability
667    
668    checkpoint53f_post
669    o modifications that affect AIM experiment results (update output.txt):
670      - no advection of S at top interface Nr (pkg/generic_advdiff)
671      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
672    o AIM pkg:
673      - include stability function into surf.Flux derivative relative to Tsurf
674      - calculate clear-sky radiation & surface temp. change (for diagnostics)
675    
676    checkpoint53e_post
677    o merged cylindrical coord configuration
678    o added rotating_tank experiment
679    checkpoint53e_pre
680    
681    checkpoint53d_post
682    o faulks upgraded: re-generate output.txt that have changed:
683       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
684    o Added Bryan and Lewis, 1979, vertical diffusivity profile
685    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
686    o added Sadourny discretization of Coriolis
687      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
688      - re-enabled use of omega3 (useAbsVorticity)
689    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
690      vector-invariant equations
691      - note: does *NOT* yet use same variable visc. for no-slip BC's.
692    o recoded the lateral boundary conditions for non-hydrostatic w, this time
693      hopefully without new bugs
694      - still to do: biharmonic friction for non-hydrostatic w
695    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
696    o regenerated output for global_ocean_ebm (using -ieee)
697    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
698      of mom_common/
699      - simple re-arrangement of instructions within computing loop
700    checkpoint53d_pre
701    
702    checkpoint53c_post
703    o new version of coupler for AIM+thSIce and Ocean models
704     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
705     - land: change Evaporation of snow
706     - aim with thSIce: fix bug in snow-precip.
707    o changes to calc_gw.F
708     - bug fix for w^2 term near the bottom boundary
709     - (hopefully) improve the lateral slip boundary condtions for use with
710        partial/looped cells
711      - because the bug fix changes two verification experiments anyway (exp5
712        and plume on slope), change the lateral boundary condition from half slip
713        to the value of no_slip_sides
714    o ebm package wasnt quite up to the parallel task. Fixed that.
715    o Adjoint of EBM package + verification
716      * TLM OK
717      * ADM not sufficient accuracy yet (needs further testing)
718    
719    checkpoint53b_post
720    o Commiting new energy balance model to repository
721      * package is pkg/ebm
722      * verif. is verification/global_ocean_ebm
723      * references are in ebm_driver.F
724    C      * X. Wang, P. Stone and J. Marotzke, 1999:
725    C        Global thermohaline circulation. Part I:
726    C        Sensitivity to atmospheric moisture transport.
727    C        J. Climate 12(1), 71-82
728    C      * X. Wang, P. Stone and J. Marotzke, 1999:
729    C        Global thermohaline circulation. Part II:
730    C        Sensitivity with interactive transport.
731    C        J. Climate 12(1), 83-91
732    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
733    C        Destabilization of the thermohaline circulation
734    C        by atmospheric eddy transports.
735    C        J. Climate 7(12), 1870-1882
736    o Will need long integration testing.
737    checkpoint53b_pre
738    
739    o created pkg/mom_common in preparation for variable viscosity code
740    o renamed and split ini_mnc_io
741    o pkg/land: only liquid water can diffuse or run-off
742    o AIM using land: soil wetness availability account for snow
743    o added printMapIncludesZeros to EEPARMS namelist
744    
745    checkpoint53a_post
746    o restore TAMC compatiility for exf_constants.h
747      (no usage of _d in .h)
748    o Additional storing in KPP in an attempt to fix
749      TAMC problem with adjoint of KPP code.
750      (no success...)
751      Identical code works fine with TAF.
752    o Fixed verification/natl_box_adjoint experiments.
753      Initial conditions for Experiments 4 and 5 are now
754      set to "SEAICE_initialHEFF=0", which is more reasonable,
755      and hence gives results closer to that of Experiment 2.
756      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
757    
758    checkpoint53
759    o stable checkpoint with up to date adjoint
760      TLM tests only run for 1st grdchk at the moment. Its unclear if
761      this is a code problem or a problem with resetting code for g_
762      variables that is being autogenerated wrong.
763      Otherwise:
764       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
765       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
766         are both still in chaos following their security messes.
767    
768    checkpoint52n_post
769    o various build (mostly genmake2) changes including:
770      - ability to build/run more easily within Cygwin and MacOS X
771      - more complicated Makefiles with a stronger dependence on Gnu Make
772    o pkg/seaice modifications
773      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
774        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
775        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
776      - changed proxy for geostrophic velocity and updated
777        verification/lab_sea/results/* accordingly
778      - removed ADI dynamic solver from pkg/seaice
779      - replaced all occurrences of 1/CSTICE or 1/CSUICE
780        they caused a segmentation fault under certain circumstances
781      - removed unused field WATR
782    o bug fix in exf-package:
783      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
784         now reflect that.
785    o small fixes in the cal-package:
786      - set reference date to first of January for the 'model'-calendar
787      - failing of cal_CheckDate in cal_FullDate now actually results in a
788        warning
789    o small modifications in exf-package to increase flexibility:
790      - change climtempfreeze from a constant to a runtime parameter that
791        is specified in data.exf_clim (default = -1.9)
792      - introduce runtime parameter windstressmax (default = 2.0) that is
793        specified in data.exf
794    o fix in pkg/thsice:
795      - update Evap (Tsf changes) to be consistent with Latent heat flux
796      - maintain snow precipitation unchanged (even if Tsf >=0).
797     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
798    
799    checkpoint52m_post
800    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
801      this does not change any of the results, because myIter=0 in swfrac always
802      lead to jwtype=2 (the default anyway), but the call makes little sense
803      as a default
804    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
805    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
806      atmospheric model (AIM) to use it ; add a "slab ocean" component.
807    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
808    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
809    o extending useSingleCpuIO option to work with new exch2 I/O format
810      - old-style, missing-tile I/O is still accessible by defining CPP
811        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
812    o monitor package can write to NetCDF files and/or STDOUT
813    o fix re-definition bug in MNC_GRID_INIT_ALL()
814    o doc/api_reference added
815      - a framework for building an API Reference Manual using all
816        the "protex" comments embedded in the code
817      - see pkg/generic_advdiff, pkg/mnc for examples
818    o MNC:
819      - make myThid the last argument for all subroutines
820      - new default for the grid files: NO halos
821      - add useMNC and other run-time flags
822      - separate per-file-group handling of the unlimited dimension
823      - early initialization of MNC w/ flags read at the eeboot stage
824        and lookup tables set in initialize_fixed
825      - write all MNC output to a freshly-created directory
826    o thermodynamics sea-ice (thsice) is now tested with testreport.
827    o test exp. advect_cs: use the standard cs32 grid ; update output.
828    o Added functionality to grdchk:
829      pick global i,j,k position (or nearest wet) where to perform check.
830    
831    checkpoint52l_post
832    o new land formulation:
833      a) use ground enthalpy as prognostic variable to ensure exact
834         energy conservation.
835      b) account for water temperature and for latent heat of freezing
836         in all processes (rain, run-off, ground storage)
837      c) compute surface and ground temperature implicitly.
838    o aim_v23 modification for new land model:
839      a) Treat separately land / ocean / sea-ice surface fluxes
840         to allow implicit computation of land & sea-ice surface temp.
841      b) add snow precipitation.
842    checkpoint52l_pre
843    
844    o fix problem (when 1 tile is empty) in min/max monitor.
845    o fix bug in timeAve (u,vZetatave in common block)
846    o no restoring terms under ice for pkg/seaice
847    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
848    o bug fix for pkg/seaice pickups
849    o change MNC call locations and add coordinate attributes
850    o mask vorticity at the corner ; affects global_ocean.cs output
851    o fix ini_curvilinear_grid ; test CS experiments with mpi
852    o aim.5l_cs: modify sea-ice fraction input file ; update output
853    o exf: Adding simple range check routine for exf fields after read
854    
855    checkpoint52k_post
856    o removed top-level directory "diags"
857      - we migrated these functions to pkg/timeave a long time ago
858    o fixed bug introduced in pkg/monitor
859    o accuracy ctrlprec = 32 insuffient for gradient checks using
860      averaged fields (I/O via cost_averages)
861      -> use ctrl.h in active_file*.F to control I/O precision.
862    o paramter list of CALL ADTHE_MAIN_LOOP
863    o added initial do_the_model_io to ecco
864    o set all ...Freq to zero after cost_final
865      taveFreq, dumpFreq, pChkptFreq
866    o MAIN and ECCO differentiability restored
867    
868    checkpoint52j_post
869    o fix nchklev in tamc.h for global_ocean...
870    o Bringing flow and store directives up-to-date
871    o Really weird thing!
872      call do_the_model_io from the_main_loop with parameters
873      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
874      TAF places a faulty re-call of initialise_varia
875      after cost_final call which should not be there!
876    checkpoint52j_pre
877    
878    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
879      error messages
880    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
881    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
882      debug output
883    o modfied mdsio_writefield.F to handle non-global files under exch2
884    o update AIM Cubed-Sphere exp (aim.5l_cs):
885      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
886    o update AIM Equatorial Channel exp:
887      use standard aim_v23 pkg and change the SST fields to be more realistic.
888    o globalFile now works with exch2
889    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
890      mon_vort3.F to make exch2 friendly with >1 tile per cube face
891    o limit timeave output for hi-res integrations
892    
893    checkpoint52i_post
894    o removed CPP_EEOPTIONS.h from verification/*/code
895    o updated the tiling for global_ocean_pressure
896    checkpoint52i_pre
897    
898    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
899      the old pkg/aim).
900    
901    checkpoint52h_pre
902    o shortened offending lines in exch2_send_rx?.template
903    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
904    o genmake2: add build & execute test for NetCDF code
905    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
906      old grid files, moved CPP_EEMACROS.h to pkg/exch2
907    o added useSingleCPUIO flag to monitor.F and mon_out.F
908    o added temporary hack for sea-ice dynamics on the cube:
909      metric terms are ignored and it is assumed that
910      there is no sea-ice on cube faces 1, 2, 4, and 5.
911    
912    checkpoint52f_post
913    o added exch2 cube routines to pkg/exch2
914    o modified hs94.cs-32x32x5 to use it
915    o added new grid files to hs94.cs-32x32x5
916    checkpoint52f_pre
917    
918    checkpoint52e_post
919    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
920      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
921    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
922      to work with implicit vertical advection and AB ;
923    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
924    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
925     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
926    checkpoint52e_pre
927    
928    o fix bug in impldiff when Nr=1 or Nr=2.
929    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
930    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
931    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
932      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
933    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
934    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
935    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
936    
937    checkpoint52d_post
938    o re-tiled many expts to allow comparison in multi-processor mode
939      - updated output accordingly
940      - changed hs94.128x64x5 to use intial T from file rather than use the
941        random number generator
942    o add infrastructure in model routines for fizhi and gridalt packages
943    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
944    o changes to permit hi-res, cubed-sphere, configuration
945      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
946      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
947      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
948        of surface winds for the cube
949      (A verification experiment, based on global_ocean.cs32x15, but with
950       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
951       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
952       complete with example surface forcing files and matlab scripts to look
953       at the output and compare it with that of global_ocean.cs32x15.)
954    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
955       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
956       to conform to the common rule.
957    o check-in the first version of the coupler + interfaces for multi-components
958       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
959       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
960       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
961       - ocean and atmos. share the same horizontal grid (no interpolation).
962       - exchanges between component and coupler is done in forward_step
963    o new verification experiment, cpl_aim+ocn:
964       coupled ocean - AIM atmosphere on cs32 grid.
965    
966    checkpoint52d_pre
967    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
968    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
969    
970    checkpoint52c_post
971    o Fixing OPTIONS files for use of exf:
972      - ALLOW_ECCO not needed
973      - ECCO_CPPOPTIONS.h should not be included from
974        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
975        as has been the case in the past
976      - All cal/exf related options are currently set in
977        single header file. Should remain so until we
978        agree on a consistent new policy.
979    o Removed all CPP options for cal package.
980      cal has no more CPP options.
981    o modified STOREs in GAD_ADVECTION
982    o corrected key comp. for passkey
983    
984    checkpoint52b_post
985    o new version: "thsice" of thermodynamic sea-ice pkg:
986     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
987     - modify fluxes but do not change theta directly;
988     - light cleaning of bulk_force pkg (still needed with thsice).
989     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
990       + output_thsice.txt to test thsice & bulk_force pkgs.
991    o put back grid & coriolis monitor output.
992    checkpoint52b_pre
993    
994    o call "do_the_model_io" at the beginning (=> dump initial state)
995    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
996    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
997      (need info on NUMBER_OF_PTRACERS)
998    o missing PTRACERS headers in some routines
999    o default tamc.h in pkg/autodiff supposed to crash
1000      to ensure proper customization
1001    
1002    checkpoint52a_post
1003    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1004      - moved surfaceTendencyTice from pkg/seaice to main code
1005      - subroutine FREEZE_SURFACE now limits only surface temperature
1006        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1007        => new output.txt for global_ocean.cs32x15 & global_with_exf
1008      - keep the old version of FREEZE for backward compatibility;
1009        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1010      - corresponding modifs for TAF directives
1011    o added surface flux output variables to TIMEAVE_STATVARS
1012    o time-averaged output for pkg/ptracers
1013    o fix problem with ECCO-related divided adjoint
1014      snapshot file was missing some ad-variables,
1015      but no warning issued by TAF
1016    
1017    checkpoint52a_pre
1018    o some bug fixes for #undef REAL4_IS_SLOW
1019    
1020    checkpoint52 = ecco_c52_e35
1021    o after testing adjoints of checkpoint51u_post
1022    
1023    checkpoint51u_post
1024    o this is the post-merge tag of the ecco-branch
1025      (needs another clean checkout and re-testing)
1026    o various natl_box_adjoint configs and results
1027      but no input fields
1028    o obcs adjoint not yet merged!
1029    o adding ECCO global 1x1 and 2x2 degree configs
1030    o updated/extended some store directives for seaice
1031    o pkg/ecco now containes ecco-specific part of cost function
1032    o top level routines the_main_loop, forward_step
1033      supersede those in model/src/
1034      previous input data.cost now in data.ecco
1035      (new namelist ecco_cost_nml)
1036    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1037    
1038    checkpoint51t_post
1039    o this is the pre-merge tag of the ecco-branch
1040    
1041    checkpoint51s_post
1042    o cleanup: removed various obsolete #define-s
1043    o pkg/grdchk
1044      - renamed 'ph-grd 3' to 'grad-res'
1045      - merged from ecco-branch
1046        (remaining bug fixes for obcs gradient checks)
1047      - additional high-precision output for testreport
1048        (grep for 'precision_grdchk_result')
1049    
1050    checkpoint51r_post
1051    o cleaned up or removed CPP_OPTIONS.h files
1052    o updated results for some of the tests to reflect the new
1053      optfiles (-ieee: -O0 instead of -O3)
1054    
1055    checkpoint51q_post
1056    o cd_code:
1057      - moved cd_scheme.F -> cd_code_scheme.F
1058      - separate read_checkpoint from cd_code_ini_vars.F
1059      - separated cd_code part from write_checkpoint
1060      - updated AD_SOURCE, generated .flow
1061      - added CD_CODE_VARS.h to the_main_loop
1062      - Moving cd_code specific store dir.s to pkg/cd_code
1063    o ctrl package totally restructured
1064      - pack/unpack now optional and decoupled from
1065        xx_/adxx_ I/O
1066      - ctrl_pack/unpack cleaned
1067        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1068      - confined inclusion of AD_CONFIG.h to where necessary.
1069    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1070    
1071    checkpoint51p_post
1072    o create initial cd_code package
1073      - WARNING: the initialization of fields within packages
1074        is broken because INI_FIELDS (where READ_CHECKPOINT is
1075        called) is called *before* PACKAGES_INIT_VARIABLES.
1076        This seems to be backwards since
1077        1) its important to initially zero the entire field including
1078           the "halo" region
1079        2) zeroing needs to be done *before* reading pickup info
1080           and the pickup call might or might not happen in any
1081           particular run
1082      - this needs an overhaul for R2
1083    o cleanup verification/*/code/GMREDI_OPTIONS.h
1084    o cleanup testreport
1085    
1086    checkpoint51o_post
1087    o bringing AD-related verif's up to date with genmake2
1088      - carbon/
1089      - global_ocean.90x40x15/
1090      - hs.94.1x64x5/
1091      - (front_relax/ )
1092    o (more) consistent directory structure for AD-related verif.'s
1093    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1094    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1095    o bug fix in find_alpha.F for MDJWF:
1096      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1097        change rho -> rho-rhoConst
1098      - replace call find_rho to find_rhonum
1099    o initialisation of rFlx extended to full array (required by TAF)
1100      and shifted to thermodynamics
1101    o removed PTRACERS.h in ptracers routine
1102    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1103    o Correcting initialisations for fVerU, fVerV.
1104    o helping TAF to recognize dependency on kUp for
1105      fVerU, fVerV
1106    o Replacing delZ by delR in pkg/ctrl/
1107    checkpoint51o_pre
1108    
1109    o undid all of cp51 pending some cleanups and discussion
1110    o added the [#include "AD_CONFIG.h"] statement to all files that need
1111       it for adjoint/tl #defines
1112     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1113     o removed tools/genmake since it no longer works
1114    
1115    checkpoint51n_post
1116    o modifications to make FREEZE flux visible to pkg/kpp
1117      - moved surfaceTendencyTice from pkg/seaice to main code
1118      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1119      - subroutine FREEZE now limits only surface temperature
1120        (this means new output.txt for global_ocean.90x40x15,
1121         global_ocean.cs32x15, and global_with_exf)
1122    o added surface flux output variables to TIMEAVE_STATVARS
1123    
1124    checkpoint51n_pre
1125    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1126    o added [#include "AD_CONFIG.h"] to all files that use the following
1127      defines:
1128      - ALLOW_ADJOINT_RUN
1129      - ALLOW_TANGENTLINEAR_RUN
1130      - ALLOW_ECCO_OPTIMIZATION
1131    
1132    checkpoint51m_post
1133    o incorporating changes to get TAMC/TAF working in genmake2
1134      - added new TAMC/TAF targets to the Makefile
1135      - various cleanups related to package handling
1136      - these changes should have no impact on the forward model
1137    
1138    checkpoint51l_post
1139    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1140     - faster algorithm for cal_addtime.F
1141     - higher precision arithmetic, where needed
1142     - pkg/exf *startdate variables changed from calendar date to
1143       model integration time
1144    
1145    checkpoint51l_pre
1146    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1147    o enable to apply restoring on S & T only in a latitude band.
1148    o update output (external_forcing_surf modif. change truncation errors)
1149       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1150    
1151    checkpoint51k_post
1152    o change default to: useNHMTerms=.FALSE.
1153     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1154       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1155     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1156        exp1, ideal_2D_oce
1157     - change data file of oceanic exp (leave the results unchanged for now)
1158       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1159    o set gravitySign automatically according to the vertical coordinate used
1160      (and change sign: back to "logical" value: +1 when R increases downward)
1161    o added an include barrier to the default CPP_OPTIONS.h and
1162      removed the #include "PACKAGES_CONFIG.h" from it
1163    o fix a bug in mom_fluxform (from chk51j_post)
1164    
1165    checkpoint51j_post
1166    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1167    o adjusted some flow directives (dynamics, thermodynamics)
1168    o added cubed-sphere case to test cost function
1169    o heckpoint_lev?_directives.h now include
1170      pkg-specific directives, whenever those are enabled.
1171    o Moving pkg-specific flow directives to corresponding pkg
1172      Moving pkg-specific differentiation list to corresponding pkg
1173      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1174      ---> conventions are
1175           - pkg_ad.flow
1176           - pkg_ad_diff.list
1177           - pkg_ad_check_lev?_dir.h
1178    
1179    checkpoint51i_post
1180    o merge of the branch-genmake2
1181      - knowingly breaks the older genmake
1182      - automatic generation of all ALLOW_${PKG_NAME} defines
1183      - new testreport supersedes older testscript
1184    o large number of package inclusion and header cleanups
1185    checkpoint51i_pre
1186    
1187    o new output for adjoin of global ocean vector invariant
1188    o fix for checkpoint of thermodynamic seaice and bulk_force
1189    o Steph gchem various cleanups
1190    
1191    checkpoint 51h_pre
1192    o fixed some single quotes
1193    o modify gchem pkg to be more versatile
1194    o modifications to clean up dic pkg
1195    o add pkg/cfc
1196    
1197    checkpoint51g_post
1198    o provide links for ARPACK and ADM*TLM
1199    o start removing verification/vero/
1200    o update AD-related stuff
1201      (in particular some IF-statements in model/src/ routines)
1202    o adding to verification/global_ocean.90x40x15/ adjoint of
1203      vector invariant setup
1204    
1205    checkpoint51f_post
1206    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1207    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1208      of tracer Green's fucntions for ocean inversion project.
1209    
1210    checkpoint51f_pre
1211    o Added on-the-fly spatial interpolation capability
1212        "USE_EXF_INTERPOLATION" to pkg/exf.
1213      - This is a temporary Cartesian-grid hack until
1214        the super-duper ESMF coupler becomes available.
1215      - See verification/global_with_exf/README for usage example.
1216      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1217        flags and modified pkg/seaice accordingly.
1218    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1219        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1220        non-local transport term.
1221    
1222    checkpoint51e_post
1223    o pkg/mom_vecinv:
1224      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1225      - add time-ave diagnostic of vorticity advection.
1226    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1227    o atmospheric geopotential: - include water vapor effect;
1228                                - use p^kappa in p* scaling.
1229    o land pkg: read initial state from files.
1230    o AIM : add stratospheric drag in the upper level
1231    
1232    checkpoint51d_post
1233    o change function ILNBLNK (=> last non-blank char.) to return zero
1234      (instead of the string length) when the string. char is empty
1235    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1236    o modif's to restore TAMC compatibility
1237      - avoid "_d" constructs in PARAMETER declarations
1238      - avoid interrupting lines by comment lines
1239    o Use cluster local disks for purely local I/O
1240      vs. globally visible disks needed for ctrl stuff
1241      (merged from ecco-branch)
1242      - new active_file_loc... and mdsio_..._loc routines
1243      - affected packages: autodiff, ctrl, grdchk, mdsio
1244    
1245    checkpoint51c_post
1246    o introducing integer flag debugLevel
1247      - debLevZero: suppress all output
1248      - debLevA: standard
1249      - debLevB: equivalent to current debugMode=.TRUE.
1250    o introducing pathname variable mdsioLocalDir for mdsio
1251      that can be specified at runtime
1252      (relevant for cluster I/O to local disk)
1253    `
1254    >>>checkpoint51b_post
1255    adjoint of ptracers
1256    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1257    o extended state in checkpoint_lev?, etc.
1258    o alternative ctrl/cost with tr1 or ptracer
1259    o new comlev1_bibj_ptracers
1260    o new ptracers.flow
1261    o made ptracers_forcing same as external_forcing_s
1262    o added verification for adjoint with ptracers
1263      - adm. grdchk fail so far
1264      - tlm. grdchk OK
1265      - checked tapelev/comlev recomputations: OK
1266    <<<checkpoint51b_pre
1267    
1268    checkpoint51a_post
1269    o added code for biogeochemistry package
1270      - new pkgs: dic, gchem
1271      - new subroutine in ptracers
1272    o modify code for biogeo packages
1273      - in model/src and pkg/ptracers
1274    
1275    checkpoint51
1276    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1277      - autodiff, ctrl, exf, grdchk, seaice
1278      kept separate packages
1279      - cost, ecco, obcs
1280    o updating verification/internal_wave, verification/lab_sea
1281      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1282    
1283    checkpoint50i_post
1284    o Preparing next differentiable checkpoint and sync
1285      of MAIN vs. ecco-branch
1286      - 1st step: this one is differentiable
1287      - 2nd step: next(! not this) checkpoint will have updated packages
1288                  from ecco-branch)
1289    
1290    checkpoint50h_post
1291    o new package "land": provide surface BC for AIM.
1292    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1293    o AIM: use true log-P extrapolation for near surface temp (= as in
1294        F.Molteni paper) ; update aim.5l_cs output.
1295    o New variable in PARM03 for more flexible pickups
1296    o somewhat cleaned package initialisation sequence for
1297      ctrl/ cost/ ecco/ in packages_... routines
1298    
1299    checkpoint50g_post
1300    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1301      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1302      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1303        made the default because of faster convergence than ADI
1304    
1305    checkpoint50f_post
1306    o exf totally restructured
1307      - replaced all exf_set_ routines by one generic exf_set_gen.F
1308        and made sure it's still differentiable
1309      - split exf_getffields.F into new exf_bulkformulae.F
1310      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1311      - updated adjoint/makefile and relevant verif. accordingly
1312    
1313    checkpoint50f_pre
1314     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1315          + change Evap over land. (update aim.5l_cs output)
1316     o added missing .cvsignores and made uniform across expts
1317     o changed configuration of tidal_basin_2d expt
1318     o added pkg/debug functions for tracing code in fatal crashes
1319     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1320     o new fn in pkg/monitor to stop model if solution grows too big
1321     o removed lots of single quotes from comments
1322    
1323    checkpoint50e_post
1324    o make KPP work with PTRACERS
1325     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1326       nearly a copy of kpp_transport_s
1327     - there is no analogue to SurfaceTendencyS, so I have to use
1328       gPtr(of the surface layer) instead
1329    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1330    checkpoint50e_pre
1331    
1332    checkpoint50d_post
1333    o change kpp output from multiple-record state files to single-record state
1334      files analogous to write_state.F
1335    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1336      analogous to the cg2d-related output.
1337    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1338      so that writing to internal file fn (with length 512) fails.
1339    checkpoint50d_pre
1340    
1341    checkpoint50c_post
1342    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1343    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1344    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1345    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1346    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1347    
1348    checkpoint50c_pre
1349    Merging from release1_p13:
1350    o bug fix for pkg/seaice dynamic solver
1351    o Added SEAICE_initialHEFF to pkg/seaice
1352    
1353    checkpoint50b_post
1354    o store u*,v* in gU,V instead of in guNm1,gvNm1
1355    o in order to put the momForcing out of the Adams-Bashforth:
1356      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1357      to timestep.F
1358    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1359    o re-generate output for highly sensitive test-exp:
1360       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1361    
1362    checkpoint50b_pre
1363    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1364    o corrected CPP option mismatch in exf_Bulk... functions for case
1365      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1366    
1367    checkpoint50a_post
1368    o Bug fix for merging between c50 and KPP.
1369      ikey was passed from thermodynamics to kpp_calc via
1370      common block rather than being recomputed in kpp_calc,
1371      in contradiction with new key itdkey.
1372      New key ikppkey created, and tamc.h headers updated.
1373    
1374    checkpoint50
1375    - 2nd step of merge with ecco-branch:
1376      merge changes in ecco-branch back into main trunk
1377    - bug fix in find_alpha
1378    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1379    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1380    - merged some sliced AD support routines
1381    
1382    checkpoint49
1383    merged from ecco-branch:
1384    o exf:
1385      - Enable initialisation of forcing fields to constant
1386        (runtime) values.
1387      - in exf_getffields.F
1388        Reduce i-/j-loop to interior domain, discarding overlaps.
1389        That also fixes wrong TAF-key computations for key_1, key_2
1390        with bulf formulae.
1391      - exf_init.F modify #ifdef for exf_init_evap
1392      - exf_getffieldrec.F, ctrl_getrec.F
1393        The following INT-usages are not safe:
1394          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1395          fldcount = int(fldsecs/fldperiod) + 1
1396        and were modified.
1397    o autodiff: checkpoint_lev...
1398      - updated storing for bulk formulae (some arrays were missing)
1399      - added state for seaice package
1400      - synchronized with main branch
1401    o DIVA:
1402      Modif.s in
1403      - the_main_loop.F
1404      - the_model_main.F
1405      and added cost_final_restore.F cost_final_store.F
1406      o With these changes, it is possible to fully separate
1407        the first forward run to compute the cost function (mdthe_main_loop)
1408        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1409        into separate model executions.
1410        This enables better tuning of DIVA to given queue sizes.
1411      o Loss of cost function value in consecutive DIVA runs is
1412        fixed by storing to 'costfinal' file.
1413      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1414        beginning/end of adjoint integration is accounted for.
1415      The current changes apply to TAF-1.4.26.
1416      TAF has one remaining bug, requiring one manual change
1417      (see MITgcm manual).
1418    o cal: synchronized between MAIN and ecco-branch
1419    
1420    checkpoint48i_post
1421    o Changes to restore differentiability of code w.r.t. previous tag
1422      (mostly adding new routines to make list and replacing
1423      pressure by totPhiHyd).
1424    o Updated and merged grdchk package
1425      - has both ADM and TLM checks
1426      - works for single- and multi-proc.
1427      - output cleaned
1428      - worked successfully for parallel DIVA
1429    o genmake:
1430      - Adding -platform=SP4
1431      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1432    o Modif. for DIVA:
1433      ctrl_unpack should not be called in intermediate DIVA interval.
1434      (similar thing would apply for active files such as
1435      tbar, sbar, psbar, which should not be reinitialised;
1436      only relevant for ecco-branch)
1437    
1438    checkpoint48h_post
1439    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1440    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1441    o Added SEAICE_initialHEFF to pkg/seaice
1442    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1443    
1444    checkpoint48g_post
1445    --- EOS:
1446    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1447      store total Potential in totPhyHyd for diagnostics & EOS.
1448    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1449    --- Pressure/geopotential gradient:
1450    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1451    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1452      ( changes results of global_ocean_pressure )
1453    o NLFS + z-coord.: add eta*Rho' contribution.
1454    o accurate phiHyd when using interface-W at the middle between 2 centers
1455     ( changes results of ideal_2D_oce )
1456    o includes r* 2nd term in potential gradient.
1457    
1458    checkpoint48f_post
1459    Merging from release1_p12:
1460    o Modifications for using pkg/exf with pkg/seaice
1461      - improved description of the various forcing configurations
1462      - added basic radiation bulk formulae to pkg/exf
1463      - units/sign fix for evap computation in exf_getffields.F
1464      - updated verification/global_with_exf/results/output.txt
1465    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1466      (SBO) core products, including oceanic mass, center-of-mass,
1467      angular, and bottom pressure (see pkg/sbo/README.sbo).
1468    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1469      to avoid negative values in shallow regions.
1470      - updated verification/natl_box/results/output.txt
1471      - updated verification/lab_sea/results/output.txt
1472    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1473    o Added useSingleCpuIO option (see PARAMS.h).
1474    o Updated useSingleCpuIO option in mdsio_writefield.F to
1475      work with multi-field files, e.g., for single-file pickup.
1476    o pkg/seaice:
1477      - bug fix in growth.F: QNET for no shortwave case
1478      - added HeffFile for specifying initial sea-ice thickness
1479      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1480    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1481      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1482    o pkg/seaice:
1483      - adjoint-friendly modifications
1484      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1485    
1486    checkpoint48e_post
1487    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1488    o dynamics: change definition of computational domain & adapt mom_fluxform
1489      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1490    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1491        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1492        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1493        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1494        inverted_barometer solid-body.cs-32x32x1
1495      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1496    
1497    checkpoint48d_post
1498    o in preparation for r*:
1499     a) use pre-computed gradient of hydrostatic potential:
1500        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1501     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1502        => affects results of glob_oce_pressure (different truncation error)  
1503      update output.txt of ideal_2D_oce & global_ocean_pressure
1504    
1505    checkpoint48d_pre
1506    o in preparation for r*:
1507      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1508      pass the 2 comp. of the grad. as arguments to momentum S/R.
1509      but for the moment, only used if it does not change the results.
1510    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1511    
1512    checkpoint48c_post
1513    Modifications in treatment of initial flux forcing controls
1514    to avoid extra storing of flux fields.
1515    
1516    checkpoint48c_pre
1517  o Added tidal_basin_2d experiment (currently 1D!)  o Added tidal_basin_2d experiment (currently 1D!)
1518  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)
1519    

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