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revision 1.190 by edhill, Tue Oct 21 15:29:20 2003 UTC revision 1.507 by jmc, Tue Jun 28 02:40:01 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
8    o diagnostics pkg: change pointers so that 1 diagnostic can be used
9      several times with different frequencies.
10    o mnc-ify the thsice package as requested by Daniel Enderton
11      - the monitor--MNC output needs work
12      - many attributes need to be added (most are currently blank)
13    o mnc-ify theaim_v23 package as requested by Daniel Enderton
14      - many attributes need to be added (most are currently blank)
15    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
16    o add Sadourny like discretization to the 4th.O vorticity advection scheme
17    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
18      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
19         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
20    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
21     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
22    
23    checkpoint57i_post
24    o Diagnostics package was changed: diagnostic allocation is now deactivated
25      by setting an empty file name in the namelist (used to be by setting 0 frequency)
26    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
27      add 1rst Order upwind vertical Shear.
28    o add a quick fix for A/B checkpointing in OFFLINE mode
29    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
30      end-run around the C/Fortran linking horror in eesup/src/timers.F
31    o added pkg/runclock: allows user to terminate run based on wall clock
32    o added non-hydrostatic scaling parameter: nh_am2
33    o pkg/my82: futile attempt to make results compiler-independent by adding
34      some "_d 0", etc. no effect.
35    o for mnc output, fill the 'T' coordinate var with myTime and create a
36      separate 'iter' variable for iteration count
37    o pkg/diagnostics:
38      add new capability: output of Global/Regional & per-level statistics ;
39      tested against monitor output (including land & thSIce) on various exp.
40    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
41    
42    checkpoint57h_done
43      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
44      data.diagnostics, data.gchem, data.ptracers) is done.
45    
46    o pkg/diagnostics: prepare for Global/Regional statistics.
47      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
48    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
49      and rename it: DIFFERENT_MULTIPLE
50    
51    checkpoint57h_post
52    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
53    o pkg/diagnostics: change output frequency, now in seconds (instead
54      of Nb of iterations). This requires to change data.diagnostics.
55    checkpoint57h_pre
56    
57    o in mnc, let the user create the output dir if both mnc_outdir_date
58      and mnc_outdir_num are false
59    o add fflags() to pkg/diagnostics which allows one to specify, on a
60      per-file basis, the file precision [default behavior is unchanged]
61    o added diagnostics to pkg/kpp, including computation of mixed layer
62      depth based on a temperature/density criterion
63    o updated verification/natl_box to test the new pkg/kpp diagnostics
64    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
65    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
66    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
67      not mnc -- this mistake was found by JMC and is now corrected
68    
69    checkpoint57g_post
70    o add Adams-Bashforth 3rd Order time stepping:
71      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
72      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
73    checkpoint57g_pre
74    
75    o make lambda[Theta,Salt]ClimRelax spatially varying
76      (default remains spatially uniform constant based on tau)
77    o added new control variables
78      * init. uVel, vVel, etanN
79      * lambda[Theta,Salt]ClimRelax
80    o separate masks used for ctrl_pack/unpack 'from write_grid' output
81      (suggested by G. Forget)
82    
83    checkpoint57f_post
84    o add parameter "baseTime" = model base time = time at iteration zero
85      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
86      account for baseTime shift
87    o move Coriolis arrays from PARAMS.h to GRID.h
88    checkpoint57f_pre
89    
90    o mnc-ifying the seaice package
91    o introduced an alternative length scale calculation for use in the limiting
92      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
93    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
94    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
95      as well as grad(vort3).  Made it compatible with both approximate form
96      for the cubed sphere and full form of these gradients.  Added flag
97      useFullLeith to select between approximate and full form.  
98    o add "d0" in getcon.F to reduce differences between compilers/platforms
99      update output.txt of exp. fizhi-gridalt-hs
100    o change port_rand funtion to allow to set the seed.
101    o fix obscure MNC bug involving conversion between reals and integers
102      - it caused no problems with certain (eg. gcc, ifc) compilers but the
103        new version is now more standards-compliant
104    o adjoint-related modifications
105      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
106      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
107      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
108    
109    checkpoint57e_post
110    o Adding eddy stress controls a la Ferreira et al.
111    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
112    
113    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
114      update output.txt of exp. fizhi-gridalt-hs
115    o add more "Z" dimensions and associated coordinate vars to MNC
116    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
117    o parameter calendarDumps: when set, approximate months (30-31 days) and years
118      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
119      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
120      months and years.  Requires pkg/cal.
121    o diagnostics: add pickup functionality
122      - off by default for backwards compatibility
123      - current version only uses MDSIO -- MNC will be added
124    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
125    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
126    
127    checkpoint57d_post
128    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
129    o modify verification/ideal_2D_oce so that it tests the creation of mnc
130      output from the diagnostics package
131    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
132    o make genmake2 more portable by using ".$FS" instead of ".f" for more
133      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
134    o add coordinate variables to the MNC output from the diagnostics package
135    o change MNC-flags default value: true when useMNC=TRUE
136    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
137      the ability (off by default) to read the grid information using MNC
138    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
139    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
140    o do snap-shot diagnostics at the middle of the time-interval (instead of
141      at the end).
142    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
143      new test for AIM with thSIce + slab-ocean
144    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
145    o move state variable diagnostics to the beginning of the time step ;
146      (note: still needs some work specially for snap-shot diagnostics)
147      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
148    
149    checkpoint57c_post
150    o Change testing option (-ieee) to get closer agreement between g77 & ifort
151    o generate new output.txt files on faulks with g77 & the new -ieee option
152    checkpoint57c_pre
153    
154    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
155      update output.txt of exp. global_ocean.90x40x15
156    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
157      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
158    o add saltFlux(+File) forcing capability with periodicExternalForcing
159    o allow to use pkg diagnostics for GM-Redi & ThSIce output
160    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
161    o improvements for the MNC output from DIAGNOSTICS:
162      - correct handling of the unlimitied dimension
163      - all dims now have associated coordinate variables
164      - variables located at U, V, and Corner ("Z") points are now written
165        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
166        *all* data points are output
167    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
168    o added pkg/seaice/seaice_monitor.F
169    o mdsio_readfield.F can now read files visible only to master MPI process.
170    o pkg/seaice: some test code for ice-modified ocean stress
171    o exf_getffields interpolation defaults to bilinear for all scalar forcing
172      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
173      spurious negative numbers for precipitation and humidity.  Will cause
174      some small numerical differences for integrations using pkg/exf/exf_interp.F.
175    o pkg/ctrl/
176      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
177        May be enabled via doPackDiag
178      *  introduce z-scaling of
179         + gradient (doZscalePack) and
180         + control (doZscaleUnpack)
181    o pkg/mdsio/
182      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
183      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
184    
185    checkpoint57b_post
186    o simplify options in diagnostics_fill arguments (remove weird combinations)
187    o fix MNC coordinate variables so that they now contain per-face index
188      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
189      general, EXCH2 grids are only aligned to a "local" coordinate system
190    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
191    o Implement instantaneous output within pkg diagnostics:
192      setting a negative frequency in data.diagnostics produces
193     "snap-shot" output (as opposed to time-average if freq > 0)
194    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
195      NOTE: change ptracer diagnostics name: use 2 characters to work with
196            more than 9 tracers. Add also diagnostics of advect & diffus flux.
197    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
198      becomes the coordinate variable for the 'T' dimension
199    o add CF-style coordinate variables to MNC
200      - just a first cut:  numbers are meaningless on the cubesphere and
201        missing along the T axis but otherwise it works!
202    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
203    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
204    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
205      this is based directly on what the model compute, so that the content of
206      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
207    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
208    o clean up build options files for SunOS, in particular
209      - remove -traditional from xmakedepend
210      - change -xarch=v9 to -xarch=native for f77
211      - restore use of make (not gmake)
212      - add CC=gcc if using g77
213    o changes per discussion of AM, JMC, & EH3 today:
214      - move redundant "grid" variables out of "state" -- in preparation of
215        creating proper CF-style coordinate variables and in recognition
216        that any/all grid variables can be easily copied (eg. w/NCO) from
217        the grid files into any of the other NetCDF files
218      - *always* output grid variables with MDSIO (this will eventually be
219        changed)
220      - output MNC grid file if useMNC is true
221    o every instance of _END_MASTER() has been found and replaced with
222      _END_MASTER( myThid ) in order to satisfy certain picky Sun
223      preprocessors
224    o re-arrange diagnostics pkg initialisation:
225     - allow each package to extend the available diagnostics list
226     - add some checking and fix small problems (multi-threaded, ...)
227     - new S/R diagnostics_fill (replace fill_diagnostics):
228       look through the short list of active diag. (instead of the long list)
229       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
230    
231    checkpoint57a_post
232    o this set of changes restores TAMC compatibility
233      tested for global_ocean.90x40x15 adjoint on trough
234      (what a pain)
235    
236    checkpoint57a_pre
237    o some modifs in tools/build_options for sunos
238    o call ctrl_pack for ctrl at end for optimcycle=0
239    
240    checkpoint57
241    o add horizontal bi-harmonic viscosity for vertical velocity
242      - new parameter viscA4W (defaults to viscA4)
243      - affects only non-hydrostatic code
244      - to be done: no-slip lateral boundary conditions
245    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
246    o implement Implicit Vertical advection for pTracers
247    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
248      (implemented also for implicit vertical diffusion & advection)
249    o OBCS: extend application of tracer open boundary conditions
250      to a strip beyond the boundary of width Olx/Oly
251    o add call monitor to TAF set of required calls (flow directives)
252      and include in natl_box_adjoint
253    o untangle a few ifdefs related to cost, ctrl, autodiff
254      untangel a few ALLOW_ECCO_OPTIMIZATION
255    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
256      (theta2, salt2 in ecco_cost_weights)
257    
258    checkpoint56c_post
259    o OBCS as control variables
260      - update ctrl_ad_diff.list, obcs_ad_diff.list
261      - remove balance of obcs controls from default
262      - fix index bug nobcs in ctrl_init
263      - fix dummy fields filen in ctrl_pack
264      - add dummy weights for obcs
265    o lsopt: comment out fort.94 output
266    o optim:
267      - remove unnecessary header files
268      - adjusted namelists
269      - add xerbla.F to Makefile
270    o exf:
271      - multiple modifications of exf_check_range
272      - unit change in exf_init_runoff from [m/year] to [m/s]
273    o mdsio:
274      - i/o-vector change debugLevel from debLevA to debLevB
275    
276    checkpoint56b_post
277    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
278      is called from DO_THE_MODEL_IO
279      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
280      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
281      - clean up PTRACERS_WRITE_TIMEAVE a little
282    o add another verification experiment that tests both the cfc-pkg and
283      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
284      reactive tendencies treated inline with regular timestepping
285    o testreport previously did a lousy job of comparing small numbers, so
286      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
287      implemented in the little c-progam tmp_cmpnum.c which is embedded in
288      testreport.
289    o ptracers_monitor: bug fix for MPI
290    
291    checkpoint56a_post
292    o GCHEM: finish reorganizating the package
293      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
294        (introduces another 3D-array for each passive tracer, but only if
295        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
296        gchemTendency is not needed because the timestep is done separately)
297      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
298      - GCHEM is now---more or less cleanly---separate from PTRACERS
299      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
300        so clear to me how that should be done in a general way.
301    o CFC: improve formatting of output in CFC_ATMOS
302    o PTRACERS:
303      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
304        that ALL experiments with ptracers enable can be checked. This makes
305        GCHEM_MONITOR obsolete.
306      - include a runtime parameter PTRACERS_monitorFreq that defaults to
307        monitorFreq
308      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
309    o add PTRACERS (PTR0[1-5]) to testreport output
310    o exf_check_range:
311      * default changed to .TRUE.
312      * will check values for niter0 if debLevA, every timestep if debLevB
313      * STOP in exf_check_range if 'out of range'
314      * range chosen generous to allow for potential extema
315      TBD: a version with stricter range
316           permitted range would be runtime parameters
317    o GMredi:
318      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
319      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
320      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
321    o GCHEM:
322      - move call to GCHEM_FORCING_SEP, so that it is now called before
323        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
324      - introduced a useGCHEM runtime flag and applied it everywhere.
325      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
326        this flag is now only visible within GCHEM-pkg routines.
327      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
328        be replaced by a 3D array that is computed before thermodynamics; for
329        this, the tracer ID iTracer had to be included into the parameter list
330        of ptracers_forcing
331      - set up forward_step to call gchem_forcing, that will replace
332        gchem_forcing_int in ptracers_forcing
333      - cleaning up
334    o small cleaning of exch2: remove files that are also in eesupp/src
335    
336    checkpoint56
337    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
338    o mnc: cleanup "full" files--fixes out-of-memory problem
339    o ECCO-GODAE
340      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
341      * fully merged and updated from SIO code
342        windstress sign change affects
343        - exf_inscal_[u/v]stress
344        - sign of xx_tau[u/v] adjustments
345        - signs in cost_scat
346      * ctrl_get_gen: avoid update of tau[u/v] for first few days
347      * natl_box_adjoint updated and compressed
348      * 2-level checkpoint switch added
349        (tested in EXP. 1 of natl_box_adjoint)
350      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
351    o SVD
352      * first complete, non-hacked version for SVD calculations
353      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
354        performed via direct access files admtlm_vector.it????
355        (via ctrl_[un]pack)
356      * optimcycle is used for ARPACK iteration counter
357        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
358      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
359        and add linear transforms where necessary
360      * controls are initial/final SST, SSS (can be extended; need to check
361        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
362    o mdsio: filename info to both stderr, stdout
363    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
364      from sign change
365    
366    checkpoint55j_post
367    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
368      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
369    o add consistent build directories and .cvsignore files to verification
370    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
371    o make all subroutines 30 or less characters in length for certain older
372      compilers to work (a thorough search only turns up two routines in
373      pkg/ptracers)
374    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
375      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
376    
377    checkpoint55i_post
378    o change arrays for total vertical diffusivity (2.D if explicit,
379      3.D if implicit) ; each ptracer uses its own background value.
380    o added mnc/NetCDF output capability to ocn_compon_interf
381      - added bits to verification/cpl_aim+ocn so that it can run on
382        ITRDA and other clusters without the mpirun "-wd" option
383    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
384      configuration
385    o give MNC the ability to create additional files rather than
386      exceeding a specified file size limit "MNC_MAX_FILESIZE"
387      - the default is just less than 2GB which is a practical limit
388        on many systems
389    o Compute the non-local term using either KPP vertical diffusivity (=default)
390       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
391    
392    checkpoint55h_post
393    o add verification test "vermix"
394    o remove all the *_ioinc flags and replace with the single global
395      outputTypesInclusive flag
396    o allow to set a vertical profile of vertical diffusivity for T & S
397    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
398    o useMNC moved from data.mnc to data.pkg
399    
400    checkpoint55g_post
401    o Renaming carbon AD experiments to comply with testreport conventions
402    o Updating adjoint of Held-Suarez hs94.1x64x5
403    o Fixing directives for non-ECCO forward_step, after ECCO directives
404      have been fixed to avoid recomp. of do_oceanic_phys
405      Works well for global_ocean.90x40x15,
406      but recomp. issue remains for carbon
407    o Updating adjoint output for natl_box_adjoint after
408      pkg/ecco has been modified (see taga c55d_post)
409    
410    checkpoint55f_post
411    o rename to timeave_init_fixed
412    
413    checkpoint55e_post
414    o some delicate re-shuffle of store directives to avoid one
415      extra call of do_oceanic_physics
416      affects ecco_the_main_loop.F, do_oceanic_physics.F
417      checkpoint_lev1_directives.h
418    o NB: this may break global_ocean adjoint temporarily,
419      but it is clear how to fix it. Will do later, need this now.
420    
421    checkpoint55d_post
422    o ECCO specific cost function terms (up-to-date with 1x1 runs)
423    o ecco_cost_weights is modified to 1x1 runs
424    o modifs to allow observations to be read in as
425      single file or yearly files
426    o enable to read exf forcing fields as either
427      single file or yearly files (flag useExfYearlyFields)
428    checkpoint55d_pre
429    
430    o switch between 2-level and 3-level checkpointing
431    o add ability of MNC to write local and "partial" (eg. 2D slices where
432      the full 3D field is never actually stored) arrays to NetCDF files
433      with the correct (that is, the complete multi-dimensional) set of
434      array indicies
435      - used in mom_vecinv() to write the diagFreq output
436      - tested (demonstrated) in verification/aim.5l_cs
437    o further mnc-ification
438      - add verification/lab_sea to the list with mnc setups
439      - fix undefined mnc v-names in cd_code
440      - add kpp to mnc output (both snapshot and timeave)
441    o non-hydrostatic code
442      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
443        in calc_gw.F
444      - defaults to viscAh
445      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
446        friction or Leith) in non-hydrostatic mode, as long as there is
447        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
448    o pkg/cost
449      extend simple cost functions to treat time mean quantities
450      (T,U,V) via cost_accumulate_state from cost_tile
451    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
452        be 2 times larger than the minimum size the advection scheme requires.
453        now get a perfect conservation of salt in advect_cs test-exp (updated)
454    o GGL90 (Gaspar's TKE mixed layer)
455      - add horizontal diffusion of TKE, requires exchanges in
456        do_fields_blocking_exchanges, horizontal diffusivity is zero by
457        default. In OPA there is no horizontal diffusion of TKE but the
458        mixing coefficients are computed from a horizontal average of TKE of
459        6 points or so. I think that diffusion has a little more physical
460        justification.
461      - clean up ggl90_calc in the hope of reducing memory usage (this hope
462        was in vain)
463      - mask tke-variable in ggl90_init
464    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
465    o fix biharmonic diffusion on CS-grid.
466    o more obcs stuff
467      - added obcs_external_fields_load as an alternative to the EXF-pkg option
468        for reading boundary values. This routine is called from
469        obcs_prescribe_read
470      - updated obcs_check
471      - changed sponge layer relaxation parameter units for days to seconds
472      - turned off sponge layer by default
473      - changed argument list of OBCS_CALC to myTime+deltaTclock
474      - fixed about 35 bugs in obcs_external_fields_load
475    
476    checkpoint55c_post
477    o obcs stuff
478      - new runtime flags useOBCSprescribe, useOBCSbalance
479      - re-arranged obcs_calc
480      - moved exf_getobcs to obcs_prescibe_read
481        obcs_prescibe_read is called after ORLANSKI stuff
482        and independent of it (executable can contain all).
483      - updated obcs_check
484      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
485        These may be necessary only if tangential velocities are
486        prescribed at OB, not sure, needs testing.
487    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
488      which simplifies the calls and passes the ifc check-bounds test
489    
490    checkpoint55b_post
491    o add a 2D scalar, Z location, exchange_2 routine.
492    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
493      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
494      affects advect_cs results (for the wrong reason): update output.txt
495    o use a more standard discretization for biharmonic viscosity ;
496     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
497      affects results of dome set-up: update output.txt
498    o fix gad_advection.F (CubedSphere part), back to version 1.23
499    o fix bug in mom_vi_del2uv.F (CubedSphere part).
500    
501    checkpoint55a_post
502    o merged code to
503      * prescribe/read time-dependent open boundaries
504        (works in conjunction with exf, cal)
505      * sponge layer code for open boundaries
506      * each boundary N/S/E/W now has its own CPP option
507        (healthy for the adjoint)
508    
509    checkpoint55
510    o up-to-date adjoint of previous breaks
511      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
512      - global_ocean_ebm: adjoint still needs fix (TLM ok)
513      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
514      - carbon: * remove tr1-related adjoint verification
515                * add ptracer as control variable
516    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
517      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
518    
519    checkpoint54f_post
520    o in verification/carbin/ remove experiment related to
521      ALLOW_PASSIVE_TRACER (array tr1 etc)
522      code_ad/ input_ad/ results_ad
523    
524    o add two new packages
525      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
526        + subject to optimization (memory)
527      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
528        + subject to reordering (many GOTOs in the original code)
529        + so far opps is called for every (i,j) point, and then operates in
530          the vertical; one may want to reorder the scheme in order operate in
531          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
532          fields)
533    o overhaul of IO so that we now have flags for MDSIO and/or MNC
534      - all verification tests compile and run with linux_ia32_g77
535      - defaults are compatible with current input files--nothing
536        should change if you were not previously using MNC
537      - MNC output has been added in numerous places (eg. timeave)
538        but there are still a few writes not yet do-able with MNC
539        (this is in progress)
540      - flags now allow for either/or/both use of MDSIO and MNC and
541        documentation will soon follow
542      - numerous small formatting cleanups for ProTeX
543    o add version info (via BUILD_INFO.h) to MNC and stdout
544    
545    checkpoint54e_post
546    o add two new packages
547      - pp81 (Packanowski and Philander, 1981), Richardson number and
548        stratification dependent mixing
549      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
550      - these scheme operate in a similar manner as KPP (without ghat, of
551        course), however there is only one diffusivity that is used for both
552        temperature and salinity (and passive tracers)ç
553    o add offline package
554    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
555      provided by Stephanie Dutkiewicz
556    o genmake2: add ability to search for C compilers and cleanup test output
557      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
558    
559    checkpoint54d_post
560    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
561    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
562      leading to additional shift by 5 days each year of integration
563       (i.e. leading to considerable offset over the years)
564    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
565    o start with no AB and no initial filtering (staggerTimeStep):
566      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
567    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
568      (external loading & cpl import/export stay in forward_step.F)
569    o update coupling interface to work with new staggerTimeStep
570    o change MDSIO ptracers_pickup.
571    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
572    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
573    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
574    
575    checkpoint54c_post
576    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
577      this affects (truncation error) output.txt of test-exp:
578       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
579    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
580    o change Qnet to always be the net heat flux, (+upward).
581      affects (truncation error) output of natl_box exp.: updated
582    o define the max number of passive tracers in PTRACERS_SIZE.h
583    o start to test mnc routinely in exp0
584    o add sea-ice loading (sIceLoad) as a new forcing field.
585    
586    checkpoint54b_post
587    o add testreport "-j JOBS" option for parallel builds (tested and pretty
588       impressive on Altix and Opteron systems)
589    o diagnostics can now write NetCDF files through the mnc package
590    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
591    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
592    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
593      affects (truncation error) output of lab_sea & natl_box exp.: updated
594    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
595    
596    checkpoint54a_post
597    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
598    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
599    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
600    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
601      + internal_wave (shift in writing cg2d_ini_res)
602    checkpoint54a_pre
603    
604    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
605      - modified verification/lab_sea and natl_box_adjoint accordingly
606    
607    checkpoint54
608    checkpoint53g_post
609    o prepare splitting of thermodynamics: store convect.counter in common block
610    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
611      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
612    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
613    o new parameter "nShapS": allow to treat differently S from T (nShapT)
614    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
615    o restore adjointability
616    
617    checkpoint53f_post
618    o modifications that affect AIM experiment results (update output.txt):
619      - no advection of S at top interface Nr (pkg/generic_advdiff)
620      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
621    o AIM pkg:
622      - include stability function into surf.Flux derivative relative to Tsurf
623      - calculate clear-sky radiation & surface temp. change (for diagnostics)
624    
625    checkpoint53e_post
626    o merged cylindrical coord configuration
627    o added rotating_tank experiment
628    checkpoint53e_pre
629    
630    checkpoint53d_post
631    o faulks upgraded: re-generate output.txt that have changed:
632       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
633    o Added Bryan and Lewis, 1979, vertical diffusivity profile
634    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
635    o added Sadourny discretization of Coriolis
636      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
637      - re-enabled use of omega3 (useAbsVorticity)
638    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
639      vector-invariant equations
640      - note: does *NOT* yet use same variable visc. for no-slip BC's.
641    o recoded the lateral boundary conditions for non-hydrostatic w, this time
642      hopefully without new bugs
643      - still to do: biharmonic friction for non-hydrostatic w
644    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
645    o regenerated output for global_ocean_ebm (using -ieee)
646    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
647      of mom_common/
648      - simple re-arrangement of instructions within computing loop
649    checkpoint53d_pre
650    
651    checkpoint53c_post
652    o new version of coupler for AIM+thSIce and Ocean models
653     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
654     - land: change Evaporation of snow
655     - aim with thSIce: fix bug in snow-precip.
656    o changes to calc_gw.F
657     - bug fix for w^2 term near the bottom boundary
658     - (hopefully) improve the lateral slip boundary condtions for use with
659        partial/looped cells
660      - because the bug fix changes two verification experiments anyway (exp5
661        and plume on slope), change the lateral boundary condition from half slip
662        to the value of no_slip_sides
663    o ebm package wasnt quite up to the parallel task. Fixed that.
664    o Adjoint of EBM package + verification
665      * TLM OK
666      * ADM not sufficient accuracy yet (needs further testing)
667    
668    checkpoint53b_post
669    o Commiting new energy balance model to repository
670      * package is pkg/ebm
671      * verif. is verification/global_ocean_ebm
672      * references are in ebm_driver.F
673    C      * X. Wang, P. Stone and J. Marotzke, 1999:
674    C        Global thermohaline circulation. Part I:
675    C        Sensitivity to atmospheric moisture transport.
676    C        J. Climate 12(1), 71-82
677    C      * X. Wang, P. Stone and J. Marotzke, 1999:
678    C        Global thermohaline circulation. Part II:
679    C        Sensitivity with interactive transport.
680    C        J. Climate 12(1), 83-91
681    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
682    C        Destabilization of the thermohaline circulation
683    C        by atmospheric eddy transports.
684    C        J. Climate 7(12), 1870-1882
685    o Will need long integration testing.
686    checkpoint53b_pre
687    
688    o created pkg/mom_common in preparation for variable viscosity code
689    o renamed and split ini_mnc_io
690    o pkg/land: only liquid water can diffuse or run-off
691    o AIM using land: soil wetness availability account for snow
692    o added printMapIncludesZeros to EEPARMS namelist
693    
694    checkpoint53a_post
695    o restore TAMC compatiility for exf_constants.h
696      (no usage of _d in .h)
697    o Additional storing in KPP in an attempt to fix
698      TAMC problem with adjoint of KPP code.
699      (no success...)
700      Identical code works fine with TAF.
701    o Fixed verification/natl_box_adjoint experiments.
702      Initial conditions for Experiments 4 and 5 are now
703      set to "SEAICE_initialHEFF=0", which is more reasonable,
704      and hence gives results closer to that of Experiment 2.
705      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
706    
707    checkpoint53
708    o stable checkpoint with up to date adjoint
709      TLM tests only run for 1st grdchk at the moment. Its unclear if
710      this is a code problem or a problem with resetting code for g_
711      variables that is being autogenerated wrong.
712      Otherwise:
713       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
714       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
715         are both still in chaos following their security messes.
716    
717    checkpoint52n_post
718    o various build (mostly genmake2) changes including:
719      - ability to build/run more easily within Cygwin and MacOS X
720      - more complicated Makefiles with a stronger dependence on Gnu Make
721    o pkg/seaice modifications
722      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
723        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
724        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
725      - changed proxy for geostrophic velocity and updated
726        verification/lab_sea/results/* accordingly
727      - removed ADI dynamic solver from pkg/seaice
728      - replaced all occurrences of 1/CSTICE or 1/CSUICE
729        they caused a segmentation fault under certain circumstances
730      - removed unused field WATR
731    o bug fix in exf-package:
732      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
733         now reflect that.
734    o small fixes in the cal-package:
735      - set reference date to first of January for the 'model'-calendar
736      - failing of cal_CheckDate in cal_FullDate now actually results in a
737        warning
738    o small modifications in exf-package to increase flexibility:
739      - change climtempfreeze from a constant to a runtime parameter that
740        is specified in data.exf_clim (default = -1.9)
741      - introduce runtime parameter windstressmax (default = 2.0) that is
742        specified in data.exf
743    o fix in pkg/thsice:
744      - update Evap (Tsf changes) to be consistent with Latent heat flux
745      - maintain snow precipitation unchanged (even if Tsf >=0).
746     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
747    
748    checkpoint52m_post
749    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
750      this does not change any of the results, because myIter=0 in swfrac always
751      lead to jwtype=2 (the default anyway), but the call makes little sense
752      as a default
753    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
754    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
755      atmospheric model (AIM) to use it ; add a "slab ocean" component.
756    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
757    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
758    o extending useSingleCpuIO option to work with new exch2 I/O format
759      - old-style, missing-tile I/O is still accessible by defining CPP
760        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
761    o monitor package can write to NetCDF files and/or STDOUT
762    o fix re-definition bug in MNC_GRID_INIT_ALL()
763    o doc/api_reference added
764      - a framework for building an API Reference Manual using all
765        the "protex" comments embedded in the code
766      - see pkg/generic_advdiff, pkg/mnc for examples
767    o MNC:
768      - make myThid the last argument for all subroutines
769      - new default for the grid files: NO halos
770      - add useMNC and other run-time flags
771      - separate per-file-group handling of the unlimited dimension
772      - early initialization of MNC w/ flags read at the eeboot stage
773        and lookup tables set in initialize_fixed
774      - write all MNC output to a freshly-created directory
775    o thermodynamics sea-ice (thsice) is now tested with testreport.
776    o test exp. advect_cs: use the standard cs32 grid ; update output.
777    o Added functionality to grdchk:
778      pick global i,j,k position (or nearest wet) where to perform check.
779    
780    checkpoint52l_post
781    o new land formulation:
782      a) use ground enthalpy as prognostic variable to ensure exact
783         energy conservation.
784      b) account for water temperature and for latent heat of freezing
785         in all processes (rain, run-off, ground storage)
786      c) compute surface and ground temperature implicitly.
787    o aim_v23 modification for new land model:
788      a) Treat separately land / ocean / sea-ice surface fluxes
789         to allow implicit computation of land & sea-ice surface temp.
790      b) add snow precipitation.
791    checkpoint52l_pre
792    
793    o fix problem (when 1 tile is empty) in min/max monitor.
794    o fix bug in timeAve (u,vZetatave in common block)
795    o no restoring terms under ice for pkg/seaice
796    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
797    o bug fix for pkg/seaice pickups
798    o change MNC call locations and add coordinate attributes
799    o mask vorticity at the corner ; affects global_ocean.cs output
800    o fix ini_curvilinear_grid ; test CS experiments with mpi
801    o aim.5l_cs: modify sea-ice fraction input file ; update output
802    o exf: Adding simple range check routine for exf fields after read
803    
804    checkpoint52k_post
805    o removed top-level directory "diags"
806      - we migrated these functions to pkg/timeave a long time ago
807    o fixed bug introduced in pkg/monitor
808    o accuracy ctrlprec = 32 insuffient for gradient checks using
809      averaged fields (I/O via cost_averages)
810      -> use ctrl.h in active_file*.F to control I/O precision.
811    o paramter list of CALL ADTHE_MAIN_LOOP
812    o added initial do_the_model_io to ecco
813    o set all ...Freq to zero after cost_final
814      taveFreq, dumpFreq, pChkptFreq
815    o MAIN and ECCO differentiability restored
816    
817    checkpoint52j_post
818    o fix nchklev in tamc.h for global_ocean...
819    o Bringing flow and store directives up-to-date
820    o Really weird thing!
821      call do_the_model_io from the_main_loop with parameters
822      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
823      TAF places a faulty re-call of initialise_varia
824      after cost_final call which should not be there!
825    checkpoint52j_pre
826    
827    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
828      error messages
829    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
830    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
831      debug output
832    o modfied mdsio_writefield.F to handle non-global files under exch2
833    o update AIM Cubed-Sphere exp (aim.5l_cs):
834      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
835    o update AIM Equatorial Channel exp:
836      use standard aim_v23 pkg and change the SST fields to be more realistic.
837    o globalFile now works with exch2
838    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
839      mon_vort3.F to make exch2 friendly with >1 tile per cube face
840    o limit timeave output for hi-res integrations
841    
842    checkpoint52i_post
843    o removed CPP_EEOPTIONS.h from verification/*/code
844    o updated the tiling for global_ocean_pressure
845    checkpoint52i_pre
846    
847    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
848      the old pkg/aim).
849    
850    checkpoint52h_pre
851    o shortened offending lines in exch2_send_rx?.template
852    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
853    o genmake2: add build & execute test for NetCDF code
854    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
855      old grid files, moved CPP_EEMACROS.h to pkg/exch2
856    o added useSingleCPUIO flag to monitor.F and mon_out.F
857    o added temporary hack for sea-ice dynamics on the cube:
858      metric terms are ignored and it is assumed that
859      there is no sea-ice on cube faces 1, 2, 4, and 5.
860    
861    checkpoint52f_post
862    o added exch2 cube routines to pkg/exch2
863    o modified hs94.cs-32x32x5 to use it
864    o added new grid files to hs94.cs-32x32x5
865    checkpoint52f_pre
866    
867    checkpoint52e_post
868    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
869      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
870    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
871      to work with implicit vertical advection and AB ;
872    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
873    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
874     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
875    checkpoint52e_pre
876    
877    o fix bug in impldiff when Nr=1 or Nr=2.
878    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
879    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
880    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
881      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
882    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
883    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
884    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
885    
886    checkpoint52d_post
887    o re-tiled many expts to allow comparison in multi-processor mode
888      - updated output accordingly
889      - changed hs94.128x64x5 to use intial T from file rather than use the
890        random number generator
891    o add infrastructure in model routines for fizhi and gridalt packages
892    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
893    o changes to permit hi-res, cubed-sphere, configuration
894      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
895      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
896      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
897        of surface winds for the cube
898      (A verification experiment, based on global_ocean.cs32x15, but with
899       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
900       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
901       complete with example surface forcing files and matlab scripts to look
902       at the output and compare it with that of global_ocean.cs32x15.)
903    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
904       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
905       to conform to the common rule.
906    o check-in the first version of the coupler + interfaces for multi-components
907       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
908       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
909       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
910       - ocean and atmos. share the same horizontal grid (no interpolation).
911       - exchanges between component and coupler is done in forward_step
912    o new verification experiment, cpl_aim+ocn:
913       coupled ocean - AIM atmosphere on cs32 grid.
914    
915    checkpoint52d_pre
916    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
917    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
918    
919    checkpoint52c_post
920    o Fixing OPTIONS files for use of exf:
921      - ALLOW_ECCO not needed
922      - ECCO_CPPOPTIONS.h should not be included from
923        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
924        as has been the case in the past
925      - All cal/exf related options are currently set in
926        single header file. Should remain so until we
927        agree on a consistent new policy.
928    o Removed all CPP options for cal package.
929      cal has no more CPP options.
930    o modified STOREs in GAD_ADVECTION
931    o corrected key comp. for passkey
932    
933    checkpoint52b_post
934    o new version: "thsice" of thermodynamic sea-ice pkg:
935     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
936     - modify fluxes but do not change theta directly;
937     - light cleaning of bulk_force pkg (still needed with thsice).
938     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
939       + output_thsice.txt to test thsice & bulk_force pkgs.
940    o put back grid & coriolis monitor output.
941    checkpoint52b_pre
942    
943    o call "do_the_model_io" at the beginning (=> dump initial state)
944    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
945    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
946      (need info on NUMBER_OF_PTRACERS)
947    o missing PTRACERS headers in some routines
948    o default tamc.h in pkg/autodiff supposed to crash
949      to ensure proper customization
950    
951    checkpoint52a_post
952    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
953      - moved surfaceTendencyTice from pkg/seaice to main code
954      - subroutine FREEZE_SURFACE now limits only surface temperature
955        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
956        => new output.txt for global_ocean.cs32x15 & global_with_exf
957      - keep the old version of FREEZE for backward compatibility;
958        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
959      - corresponding modifs for TAF directives
960    o added surface flux output variables to TIMEAVE_STATVARS
961    o time-averaged output for pkg/ptracers
962    o fix problem with ECCO-related divided adjoint
963      snapshot file was missing some ad-variables,
964      but no warning issued by TAF
965    
966    checkpoint52a_pre
967    o some bug fixes for #undef REAL4_IS_SLOW
968    
969    checkpoint52 = ecco_c52_e35
970    o after testing adjoints of checkpoint51u_post
971    
972    checkpoint51u_post
973    o this is the post-merge tag of the ecco-branch
974      (needs another clean checkout and re-testing)
975    o various natl_box_adjoint configs and results
976      but no input fields
977    o obcs adjoint not yet merged!
978    o adding ECCO global 1x1 and 2x2 degree configs
979    o updated/extended some store directives for seaice
980    o pkg/ecco now containes ecco-specific part of cost function
981    o top level routines the_main_loop, forward_step
982      supersede those in model/src/
983      previous input data.cost now in data.ecco
984      (new namelist ecco_cost_nml)
985    o in ctrl/ cleaned some cross-dependencies and updated CPP options
986    
987    checkpoint51t_post
988    o this is the pre-merge tag of the ecco-branch
989    
990    checkpoint51s_post
991    o cleanup: removed various obsolete #define-s
992    o pkg/grdchk
993      - renamed 'ph-grd 3' to 'grad-res'
994      - merged from ecco-branch
995        (remaining bug fixes for obcs gradient checks)
996      - additional high-precision output for testreport
997        (grep for 'precision_grdchk_result')
998    
999    checkpoint51r_post
1000    o cleaned up or removed CPP_OPTIONS.h files
1001    o updated results for some of the tests to reflect the new
1002      optfiles (-ieee: -O0 instead of -O3)
1003    
1004    checkpoint51q_post
1005    o cd_code:
1006      - moved cd_scheme.F -> cd_code_scheme.F
1007      - separate read_checkpoint from cd_code_ini_vars.F
1008      - separated cd_code part from write_checkpoint
1009      - updated AD_SOURCE, generated .flow
1010      - added CD_CODE_VARS.h to the_main_loop
1011      - Moving cd_code specific store dir.s to pkg/cd_code
1012    o ctrl package totally restructured
1013      - pack/unpack now optional and decoupled from
1014        xx_/adxx_ I/O
1015      - ctrl_pack/unpack cleaned
1016        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1017      - confined inclusion of AD_CONFIG.h to where necessary.
1018    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1019    
1020    checkpoint51p_post
1021    o create initial cd_code package
1022      - WARNING: the initialization of fields within packages
1023        is broken because INI_FIELDS (where READ_CHECKPOINT is
1024        called) is called *before* PACKAGES_INIT_VARIABLES.
1025        This seems to be backwards since
1026        1) its important to initially zero the entire field including
1027           the "halo" region
1028        2) zeroing needs to be done *before* reading pickup info
1029           and the pickup call might or might not happen in any
1030           particular run
1031      - this needs an overhaul for R2
1032    o cleanup verification/*/code/GMREDI_OPTIONS.h
1033    o cleanup testreport
1034    
1035    checkpoint51o_post
1036    o bringing AD-related verif's up to date with genmake2
1037      - carbon/
1038      - global_ocean.90x40x15/
1039      - hs.94.1x64x5/
1040      - (front_relax/ )
1041    o (more) consistent directory structure for AD-related verif.'s
1042    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1043    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1044    o bug fix in find_alpha.F for MDJWF:
1045      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1046        change rho -> rho-rhoConst
1047      - replace call find_rho to find_rhonum
1048    o initialisation of rFlx extended to full array (required by TAF)
1049      and shifted to thermodynamics
1050    o removed PTRACERS.h in ptracers routine
1051    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1052    o Correcting initialisations for fVerU, fVerV.
1053    o helping TAF to recognize dependency on kUp for
1054      fVerU, fVerV
1055    o Replacing delZ by delR in pkg/ctrl/
1056    checkpoint51o_pre
1057    
1058    o undid all of cp51 pending some cleanups and discussion
1059    o added the [#include "AD_CONFIG.h"] statement to all files that need
1060       it for adjoint/tl #defines
1061     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1062     o removed tools/genmake since it no longer works
1063    
1064    checkpoint51n_post
1065    o modifications to make FREEZE flux visible to pkg/kpp
1066      - moved surfaceTendencyTice from pkg/seaice to main code
1067      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1068      - subroutine FREEZE now limits only surface temperature
1069        (this means new output.txt for global_ocean.90x40x15,
1070         global_ocean.cs32x15, and global_with_exf)
1071    o added surface flux output variables to TIMEAVE_STATVARS
1072    
1073    checkpoint51n_pre
1074    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1075    o added [#include "AD_CONFIG.h"] to all files that use the following
1076      defines:
1077      - ALLOW_ADJOINT_RUN
1078      - ALLOW_TANGENTLINEAR_RUN
1079      - ALLOW_ECCO_OPTIMIZATION
1080    
1081    checkpoint51m_post
1082  o incorporating changes to get TAMC/TAF working in genmake2  o incorporating changes to get TAMC/TAF working in genmake2
1083    - added new TAMC/TAF targets to the Makefile    - added new TAMC/TAF targets to the Makefile
1084    - various cleanups related to package handling    - various cleanups related to package handling
1085      - these changes should have no impact on the forward model
1086    
1087  checkpoint51l_post  checkpoint51l_post
1088  o changes to pkg/cal and pkg/exf that allow and speed-up long integrations  o changes to pkg/cal and pkg/exf that allow and speed-up long integrations

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