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revision 1.153 by jmc, Mon May 12 21:16:45 2003 UTC revision 1.518 by heimbach, Thu Jul 28 14:34:11 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    checkpoint57n_post
8    o adding precip control xx_precip
9    o moved ptracer ctrl index 17 -> 32
10    
11    checkpoint57m_post
12    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
13      and advect_cs (use EXCH-2 and standard cs-32 grid files).
14    o pkg/exch2: filling of face-corner halo regions is optional
15      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
16    
17    checkpoint57l_post
18     tag before updating tutorials (pre-release-2)
19    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
20       for output and interpolation of input fields onto model grid)
21    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
22       Affects results of exp. rotating_tank ; update output.txt.
23    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
24          and taking the square quantity and/or using a fraction-weight field.
25    o fix aim_diagnostics_init.F mate numbers.
26    o add mnc output capability to diagnostics/diagstat and update
27      our cvsignore files for the ACSII output generated
28    
29    checkpoint57k_post
30    o lab_sea now uses diagnostics package and provides a suite of
31      new EXF diagnostics output.
32    
33    checkpoint57j_post
34    o exf
35      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
36        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
37        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
38      * extended diagnostics output
39        - now includes all EXF variables
40        - hs, hl moved to common block
41        - separate S/R for diagnostics, called after ctrl vector is added
42        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
43        - EXFqnet contains true Qnet (i.e. includes qsw)
44      * updated verif. lab_sea, global_with_exf
45      * Rearranging hflux (exf_mapfields -> exf_getforcing)
46        to ensure that diagnostics sees a true EXFqnet
47    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
48    o diagnostics pkg: change pointers so that 1 diagnostic can be used
49      several times with different frequencies.
50    o mnc-ify the thsice package as requested by Daniel Enderton
51      - the monitor--MNC output needs work
52      - many attributes need to be added (most are currently blank)
53    o mnc-ify theaim_v23 package as requested by Daniel Enderton
54      - many attributes need to be added (most are currently blank)
55    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
56    o add Sadourny like discretization to the 4th.O vorticity advection scheme
57    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
58      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
59         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
60    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
61     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
62    
63    checkpoint57i_post
64    o Diagnostics package was changed: diagnostic allocation is now deactivated
65      by setting an empty file name in the namelist (used to be by setting 0 frequency)
66    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
67      add 1rst Order upwind vertical Shear.
68    o add a quick fix for A/B checkpointing in OFFLINE mode
69    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
70      end-run around the C/Fortran linking horror in eesup/src/timers.F
71    o added pkg/runclock: allows user to terminate run based on wall clock
72    o added non-hydrostatic scaling parameter: nh_am2
73    o pkg/my82: futile attempt to make results compiler-independent by adding
74      some "_d 0", etc. no effect.
75    o for mnc output, fill the 'T' coordinate var with myTime and create a
76      separate 'iter' variable for iteration count
77    o pkg/diagnostics:
78      add new capability: output of Global/Regional & per-level statistics ;
79      tested against monitor output (including land & thSIce) on various exp.
80    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
81    
82    checkpoint57h_done
83      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
84      data.diagnostics, data.gchem, data.ptracers) is done.
85    
86    o pkg/diagnostics: prepare for Global/Regional statistics.
87      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
88    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
89      and rename it: DIFFERENT_MULTIPLE
90    
91    checkpoint57h_post
92    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
93    o pkg/diagnostics: change output frequency, now in seconds (instead
94      of Nb of iterations). This requires to change data.diagnostics.
95    checkpoint57h_pre
96    
97    o in mnc, let the user create the output dir if both mnc_outdir_date
98      and mnc_outdir_num are false
99    o add fflags() to pkg/diagnostics which allows one to specify, on a
100      per-file basis, the file precision [default behavior is unchanged]
101    o added diagnostics to pkg/kpp, including computation of mixed layer
102      depth based on a temperature/density criterion
103    o updated verification/natl_box to test the new pkg/kpp diagnostics
104    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
105    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
106    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
107      not mnc -- this mistake was found by JMC and is now corrected
108    
109    checkpoint57g_post
110    o add Adams-Bashforth 3rd Order time stepping:
111      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
112      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
113    checkpoint57g_pre
114    
115    o make lambda[Theta,Salt]ClimRelax spatially varying
116      (default remains spatially uniform constant based on tau)
117    o added new control variables
118      * init. uVel, vVel, etanN
119      * lambda[Theta,Salt]ClimRelax
120    o separate masks used for ctrl_pack/unpack 'from write_grid' output
121      (suggested by G. Forget)
122    
123    checkpoint57f_post
124    o add parameter "baseTime" = model base time = time at iteration zero
125      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
126      account for baseTime shift
127    o move Coriolis arrays from PARAMS.h to GRID.h
128    checkpoint57f_pre
129    
130    o mnc-ifying the seaice package
131    o introduced an alternative length scale calculation for use in the limiting
132      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
133    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
134    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
135      as well as grad(vort3).  Made it compatible with both approximate form
136      for the cubed sphere and full form of these gradients.  Added flag
137      useFullLeith to select between approximate and full form.  
138    o add "d0" in getcon.F to reduce differences between compilers/platforms
139      update output.txt of exp. fizhi-gridalt-hs
140    o change port_rand funtion to allow to set the seed.
141    o fix obscure MNC bug involving conversion between reals and integers
142      - it caused no problems with certain (eg. gcc, ifc) compilers but the
143        new version is now more standards-compliant
144    o adjoint-related modifications
145      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
146      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
147      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
148    
149    checkpoint57e_post
150    o Adding eddy stress controls a la Ferreira et al.
151    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
152    
153    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
154      update output.txt of exp. fizhi-gridalt-hs
155    o add more "Z" dimensions and associated coordinate vars to MNC
156    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
157    o parameter calendarDumps: when set, approximate months (30-31 days) and years
158      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
159      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
160      months and years.  Requires pkg/cal.
161    o diagnostics: add pickup functionality
162      - off by default for backwards compatibility
163      - current version only uses MDSIO -- MNC will be added
164    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
165    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
166    
167    checkpoint57d_post
168    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
169    o modify verification/ideal_2D_oce so that it tests the creation of mnc
170      output from the diagnostics package
171    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
172    o make genmake2 more portable by using ".$FS" instead of ".f" for more
173      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
174    o add coordinate variables to the MNC output from the diagnostics package
175    o change MNC-flags default value: true when useMNC=TRUE
176    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
177      the ability (off by default) to read the grid information using MNC
178    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
179    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
180    o do snap-shot diagnostics at the middle of the time-interval (instead of
181      at the end).
182    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
183      new test for AIM with thSIce + slab-ocean
184    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
185    o move state variable diagnostics to the beginning of the time step ;
186      (note: still needs some work specially for snap-shot diagnostics)
187      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
188    
189    checkpoint57c_post
190    o Change testing option (-ieee) to get closer agreement between g77 & ifort
191    o generate new output.txt files on faulks with g77 & the new -ieee option
192    checkpoint57c_pre
193    
194    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
195      update output.txt of exp. global_ocean.90x40x15
196    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
197      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
198    o add saltFlux(+File) forcing capability with periodicExternalForcing
199    o allow to use pkg diagnostics for GM-Redi & ThSIce output
200    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
201    o improvements for the MNC output from DIAGNOSTICS:
202      - correct handling of the unlimitied dimension
203      - all dims now have associated coordinate variables
204      - variables located at U, V, and Corner ("Z") points are now written
205        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
206        *all* data points are output
207    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
208    o added pkg/seaice/seaice_monitor.F
209    o mdsio_readfield.F can now read files visible only to master MPI process.
210    o pkg/seaice: some test code for ice-modified ocean stress
211    o exf_getffields interpolation defaults to bilinear for all scalar forcing
212      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
213      spurious negative numbers for precipitation and humidity.  Will cause
214      some small numerical differences for integrations using pkg/exf/exf_interp.F.
215    o pkg/ctrl/
216      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
217        May be enabled via doPackDiag
218      *  introduce z-scaling of
219         + gradient (doZscalePack) and
220         + control (doZscaleUnpack)
221    o pkg/mdsio/
222      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
223      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
224    
225    checkpoint57b_post
226    o simplify options in diagnostics_fill arguments (remove weird combinations)
227    o fix MNC coordinate variables so that they now contain per-face index
228      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
229      general, EXCH2 grids are only aligned to a "local" coordinate system
230    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
231    o Implement instantaneous output within pkg diagnostics:
232      setting a negative frequency in data.diagnostics produces
233     "snap-shot" output (as opposed to time-average if freq > 0)
234    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
235      NOTE: change ptracer diagnostics name: use 2 characters to work with
236            more than 9 tracers. Add also diagnostics of advect & diffus flux.
237    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
238      becomes the coordinate variable for the 'T' dimension
239    o add CF-style coordinate variables to MNC
240      - just a first cut:  numbers are meaningless on the cubesphere and
241        missing along the T axis but otherwise it works!
242    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
243    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
244    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
245      this is based directly on what the model compute, so that the content of
246      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
247    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
248    o clean up build options files for SunOS, in particular
249      - remove -traditional from xmakedepend
250      - change -xarch=v9 to -xarch=native for f77
251      - restore use of make (not gmake)
252      - add CC=gcc if using g77
253    o changes per discussion of AM, JMC, & EH3 today:
254      - move redundant "grid" variables out of "state" -- in preparation of
255        creating proper CF-style coordinate variables and in recognition
256        that any/all grid variables can be easily copied (eg. w/NCO) from
257        the grid files into any of the other NetCDF files
258      - *always* output grid variables with MDSIO (this will eventually be
259        changed)
260      - output MNC grid file if useMNC is true
261    o every instance of _END_MASTER() has been found and replaced with
262      _END_MASTER( myThid ) in order to satisfy certain picky Sun
263      preprocessors
264    o re-arrange diagnostics pkg initialisation:
265     - allow each package to extend the available diagnostics list
266     - add some checking and fix small problems (multi-threaded, ...)
267     - new S/R diagnostics_fill (replace fill_diagnostics):
268       look through the short list of active diag. (instead of the long list)
269       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
270    
271    checkpoint57a_post
272    o this set of changes restores TAMC compatibility
273      tested for global_ocean.90x40x15 adjoint on trough
274      (what a pain)
275    
276    checkpoint57a_pre
277    o some modifs in tools/build_options for sunos
278    o call ctrl_pack for ctrl at end for optimcycle=0
279    
280    checkpoint57
281    o add horizontal bi-harmonic viscosity for vertical velocity
282      - new parameter viscA4W (defaults to viscA4)
283      - affects only non-hydrostatic code
284      - to be done: no-slip lateral boundary conditions
285    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
286    o implement Implicit Vertical advection for pTracers
287    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
288      (implemented also for implicit vertical diffusion & advection)
289    o OBCS: extend application of tracer open boundary conditions
290      to a strip beyond the boundary of width Olx/Oly
291    o add call monitor to TAF set of required calls (flow directives)
292      and include in natl_box_adjoint
293    o untangle a few ifdefs related to cost, ctrl, autodiff
294      untangel a few ALLOW_ECCO_OPTIMIZATION
295    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
296      (theta2, salt2 in ecco_cost_weights)
297    
298    checkpoint56c_post
299    o OBCS as control variables
300      - update ctrl_ad_diff.list, obcs_ad_diff.list
301      - remove balance of obcs controls from default
302      - fix index bug nobcs in ctrl_init
303      - fix dummy fields filen in ctrl_pack
304      - add dummy weights for obcs
305    o lsopt: comment out fort.94 output
306    o optim:
307      - remove unnecessary header files
308      - adjusted namelists
309      - add xerbla.F to Makefile
310    o exf:
311      - multiple modifications of exf_check_range
312      - unit change in exf_init_runoff from [m/year] to [m/s]
313    o mdsio:
314      - i/o-vector change debugLevel from debLevA to debLevB
315    
316    checkpoint56b_post
317    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
318      is called from DO_THE_MODEL_IO
319      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
320      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
321      - clean up PTRACERS_WRITE_TIMEAVE a little
322    o add another verification experiment that tests both the cfc-pkg and
323      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
324      reactive tendencies treated inline with regular timestepping
325    o testreport previously did a lousy job of comparing small numbers, so
326      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
327      implemented in the little c-progam tmp_cmpnum.c which is embedded in
328      testreport.
329    o ptracers_monitor: bug fix for MPI
330    
331    checkpoint56a_post
332    o GCHEM: finish reorganizating the package
333      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
334        (introduces another 3D-array for each passive tracer, but only if
335        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
336        gchemTendency is not needed because the timestep is done separately)
337      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
338      - GCHEM is now---more or less cleanly---separate from PTRACERS
339      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
340        so clear to me how that should be done in a general way.
341    o CFC: improve formatting of output in CFC_ATMOS
342    o PTRACERS:
343      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
344        that ALL experiments with ptracers enable can be checked. This makes
345        GCHEM_MONITOR obsolete.
346      - include a runtime parameter PTRACERS_monitorFreq that defaults to
347        monitorFreq
348      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
349    o add PTRACERS (PTR0[1-5]) to testreport output
350    o exf_check_range:
351      * default changed to .TRUE.
352      * will check values for niter0 if debLevA, every timestep if debLevB
353      * STOP in exf_check_range if 'out of range'
354      * range chosen generous to allow for potential extema
355      TBD: a version with stricter range
356           permitted range would be runtime parameters
357    o GMredi:
358      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
359      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
360      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
361    o GCHEM:
362      - move call to GCHEM_FORCING_SEP, so that it is now called before
363        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
364      - introduced a useGCHEM runtime flag and applied it everywhere.
365      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
366        this flag is now only visible within GCHEM-pkg routines.
367      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
368        be replaced by a 3D array that is computed before thermodynamics; for
369        this, the tracer ID iTracer had to be included into the parameter list
370        of ptracers_forcing
371      - set up forward_step to call gchem_forcing, that will replace
372        gchem_forcing_int in ptracers_forcing
373      - cleaning up
374    o small cleaning of exch2: remove files that are also in eesupp/src
375    
376    checkpoint56
377    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
378    o mnc: cleanup "full" files--fixes out-of-memory problem
379    o ECCO-GODAE
380      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
381      * fully merged and updated from SIO code
382        windstress sign change affects
383        - exf_inscal_[u/v]stress
384        - sign of xx_tau[u/v] adjustments
385        - signs in cost_scat
386      * ctrl_get_gen: avoid update of tau[u/v] for first few days
387      * natl_box_adjoint updated and compressed
388      * 2-level checkpoint switch added
389        (tested in EXP. 1 of natl_box_adjoint)
390      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
391    o SVD
392      * first complete, non-hacked version for SVD calculations
393      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
394        performed via direct access files admtlm_vector.it????
395        (via ctrl_[un]pack)
396      * optimcycle is used for ARPACK iteration counter
397        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
398      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
399        and add linear transforms where necessary
400      * controls are initial/final SST, SSS (can be extended; need to check
401        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
402    o mdsio: filename info to both stderr, stdout
403    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
404      from sign change
405    
406    checkpoint55j_post
407    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
408      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
409    o add consistent build directories and .cvsignore files to verification
410    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
411    o make all subroutines 30 or less characters in length for certain older
412      compilers to work (a thorough search only turns up two routines in
413      pkg/ptracers)
414    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
415      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
416    
417    checkpoint55i_post
418    o change arrays for total vertical diffusivity (2.D if explicit,
419      3.D if implicit) ; each ptracer uses its own background value.
420    o added mnc/NetCDF output capability to ocn_compon_interf
421      - added bits to verification/cpl_aim+ocn so that it can run on
422        ITRDA and other clusters without the mpirun "-wd" option
423    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
424      configuration
425    o give MNC the ability to create additional files rather than
426      exceeding a specified file size limit "MNC_MAX_FILESIZE"
427      - the default is just less than 2GB which is a practical limit
428        on many systems
429    o Compute the non-local term using either KPP vertical diffusivity (=default)
430       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
431    
432    checkpoint55h_post
433    o add verification test "vermix"
434    o remove all the *_ioinc flags and replace with the single global
435      outputTypesInclusive flag
436    o allow to set a vertical profile of vertical diffusivity for T & S
437    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
438    o useMNC moved from data.mnc to data.pkg
439    
440    checkpoint55g_post
441    o Renaming carbon AD experiments to comply with testreport conventions
442    o Updating adjoint of Held-Suarez hs94.1x64x5
443    o Fixing directives for non-ECCO forward_step, after ECCO directives
444      have been fixed to avoid recomp. of do_oceanic_phys
445      Works well for global_ocean.90x40x15,
446      but recomp. issue remains for carbon
447    o Updating adjoint output for natl_box_adjoint after
448      pkg/ecco has been modified (see taga c55d_post)
449    
450    checkpoint55f_post
451    o rename to timeave_init_fixed
452    
453    checkpoint55e_post
454    o some delicate re-shuffle of store directives to avoid one
455      extra call of do_oceanic_physics
456      affects ecco_the_main_loop.F, do_oceanic_physics.F
457      checkpoint_lev1_directives.h
458    o NB: this may break global_ocean adjoint temporarily,
459      but it is clear how to fix it. Will do later, need this now.
460    
461    checkpoint55d_post
462    o ECCO specific cost function terms (up-to-date with 1x1 runs)
463    o ecco_cost_weights is modified to 1x1 runs
464    o modifs to allow observations to be read in as
465      single file or yearly files
466    o enable to read exf forcing fields as either
467      single file or yearly files (flag useExfYearlyFields)
468    checkpoint55d_pre
469    
470    o switch between 2-level and 3-level checkpointing
471    o add ability of MNC to write local and "partial" (eg. 2D slices where
472      the full 3D field is never actually stored) arrays to NetCDF files
473      with the correct (that is, the complete multi-dimensional) set of
474      array indicies
475      - used in mom_vecinv() to write the diagFreq output
476      - tested (demonstrated) in verification/aim.5l_cs
477    o further mnc-ification
478      - add verification/lab_sea to the list with mnc setups
479      - fix undefined mnc v-names in cd_code
480      - add kpp to mnc output (both snapshot and timeave)
481    o non-hydrostatic code
482      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
483        in calc_gw.F
484      - defaults to viscAh
485      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
486        friction or Leith) in non-hydrostatic mode, as long as there is
487        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
488    o pkg/cost
489      extend simple cost functions to treat time mean quantities
490      (T,U,V) via cost_accumulate_state from cost_tile
491    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
492        be 2 times larger than the minimum size the advection scheme requires.
493        now get a perfect conservation of salt in advect_cs test-exp (updated)
494    o GGL90 (Gaspar's TKE mixed layer)
495      - add horizontal diffusion of TKE, requires exchanges in
496        do_fields_blocking_exchanges, horizontal diffusivity is zero by
497        default. In OPA there is no horizontal diffusion of TKE but the
498        mixing coefficients are computed from a horizontal average of TKE of
499        6 points or so. I think that diffusion has a little more physical
500        justification.
501      - clean up ggl90_calc in the hope of reducing memory usage (this hope
502        was in vain)
503      - mask tke-variable in ggl90_init
504    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
505    o fix biharmonic diffusion on CS-grid.
506    o more obcs stuff
507      - added obcs_external_fields_load as an alternative to the EXF-pkg option
508        for reading boundary values. This routine is called from
509        obcs_prescribe_read
510      - updated obcs_check
511      - changed sponge layer relaxation parameter units for days to seconds
512      - turned off sponge layer by default
513      - changed argument list of OBCS_CALC to myTime+deltaTclock
514      - fixed about 35 bugs in obcs_external_fields_load
515    
516    checkpoint55c_post
517    o obcs stuff
518      - new runtime flags useOBCSprescribe, useOBCSbalance
519      - re-arranged obcs_calc
520      - moved exf_getobcs to obcs_prescibe_read
521        obcs_prescibe_read is called after ORLANSKI stuff
522        and independent of it (executable can contain all).
523      - updated obcs_check
524      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
525        These may be necessary only if tangential velocities are
526        prescribed at OB, not sure, needs testing.
527    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
528      which simplifies the calls and passes the ifc check-bounds test
529    
530    checkpoint55b_post
531    o add a 2D scalar, Z location, exchange_2 routine.
532    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
533      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
534      affects advect_cs results (for the wrong reason): update output.txt
535    o use a more standard discretization for biharmonic viscosity ;
536     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
537      affects results of dome set-up: update output.txt
538    o fix gad_advection.F (CubedSphere part), back to version 1.23
539    o fix bug in mom_vi_del2uv.F (CubedSphere part).
540    
541    checkpoint55a_post
542    o merged code to
543      * prescribe/read time-dependent open boundaries
544        (works in conjunction with exf, cal)
545      * sponge layer code for open boundaries
546      * each boundary N/S/E/W now has its own CPP option
547        (healthy for the adjoint)
548    
549    checkpoint55
550    o up-to-date adjoint of previous breaks
551      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
552      - global_ocean_ebm: adjoint still needs fix (TLM ok)
553      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
554      - carbon: * remove tr1-related adjoint verification
555                * add ptracer as control variable
556    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
557      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
558    
559    checkpoint54f_post
560    o in verification/carbin/ remove experiment related to
561      ALLOW_PASSIVE_TRACER (array tr1 etc)
562      code_ad/ input_ad/ results_ad
563    
564    o add two new packages
565      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
566        + subject to optimization (memory)
567      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
568        + subject to reordering (many GOTOs in the original code)
569        + so far opps is called for every (i,j) point, and then operates in
570          the vertical; one may want to reorder the scheme in order operate in
571          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
572          fields)
573    o overhaul of IO so that we now have flags for MDSIO and/or MNC
574      - all verification tests compile and run with linux_ia32_g77
575      - defaults are compatible with current input files--nothing
576        should change if you were not previously using MNC
577      - MNC output has been added in numerous places (eg. timeave)
578        but there are still a few writes not yet do-able with MNC
579        (this is in progress)
580      - flags now allow for either/or/both use of MDSIO and MNC and
581        documentation will soon follow
582      - numerous small formatting cleanups for ProTeX
583    o add version info (via BUILD_INFO.h) to MNC and stdout
584    
585    checkpoint54e_post
586    o add two new packages
587      - pp81 (Packanowski and Philander, 1981), Richardson number and
588        stratification dependent mixing
589      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
590      - these scheme operate in a similar manner as KPP (without ghat, of
591        course), however there is only one diffusivity that is used for both
592        temperature and salinity (and passive tracers)ç
593    o add offline package
594    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
595      provided by Stephanie Dutkiewicz
596    o genmake2: add ability to search for C compilers and cleanup test output
597      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
598    
599    checkpoint54d_post
600    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
601    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
602      leading to additional shift by 5 days each year of integration
603       (i.e. leading to considerable offset over the years)
604    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
605    o start with no AB and no initial filtering (staggerTimeStep):
606      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
607    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
608      (external loading & cpl import/export stay in forward_step.F)
609    o update coupling interface to work with new staggerTimeStep
610    o change MDSIO ptracers_pickup.
611    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
612    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
613    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
614    
615    checkpoint54c_post
616    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
617      this affects (truncation error) output.txt of test-exp:
618       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
619    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
620    o change Qnet to always be the net heat flux, (+upward).
621      affects (truncation error) output of natl_box exp.: updated
622    o define the max number of passive tracers in PTRACERS_SIZE.h
623    o start to test mnc routinely in exp0
624    o add sea-ice loading (sIceLoad) as a new forcing field.
625    
626    checkpoint54b_post
627    o add testreport "-j JOBS" option for parallel builds (tested and pretty
628       impressive on Altix and Opteron systems)
629    o diagnostics can now write NetCDF files through the mnc package
630    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
631    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
632    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
633      affects (truncation error) output of lab_sea & natl_box exp.: updated
634    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
635    
636    checkpoint54a_post
637    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
638    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
639    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
640    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
641      + internal_wave (shift in writing cg2d_ini_res)
642    checkpoint54a_pre
643    
644    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
645      - modified verification/lab_sea and natl_box_adjoint accordingly
646    
647    checkpoint54
648    checkpoint53g_post
649    o prepare splitting of thermodynamics: store convect.counter in common block
650    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
651      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
652    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
653    o new parameter "nShapS": allow to treat differently S from T (nShapT)
654    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
655    o restore adjointability
656    
657    checkpoint53f_post
658    o modifications that affect AIM experiment results (update output.txt):
659      - no advection of S at top interface Nr (pkg/generic_advdiff)
660      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
661    o AIM pkg:
662      - include stability function into surf.Flux derivative relative to Tsurf
663      - calculate clear-sky radiation & surface temp. change (for diagnostics)
664    
665    checkpoint53e_post
666    o merged cylindrical coord configuration
667    o added rotating_tank experiment
668    checkpoint53e_pre
669    
670    checkpoint53d_post
671    o faulks upgraded: re-generate output.txt that have changed:
672       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
673    o Added Bryan and Lewis, 1979, vertical diffusivity profile
674    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
675    o added Sadourny discretization of Coriolis
676      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
677      - re-enabled use of omega3 (useAbsVorticity)
678    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
679      vector-invariant equations
680      - note: does *NOT* yet use same variable visc. for no-slip BC's.
681    o recoded the lateral boundary conditions for non-hydrostatic w, this time
682      hopefully without new bugs
683      - still to do: biharmonic friction for non-hydrostatic w
684    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
685    o regenerated output for global_ocean_ebm (using -ieee)
686    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
687      of mom_common/
688      - simple re-arrangement of instructions within computing loop
689    checkpoint53d_pre
690    
691    checkpoint53c_post
692    o new version of coupler for AIM+thSIce and Ocean models
693     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
694     - land: change Evaporation of snow
695     - aim with thSIce: fix bug in snow-precip.
696    o changes to calc_gw.F
697     - bug fix for w^2 term near the bottom boundary
698     - (hopefully) improve the lateral slip boundary condtions for use with
699        partial/looped cells
700      - because the bug fix changes two verification experiments anyway (exp5
701        and plume on slope), change the lateral boundary condition from half slip
702        to the value of no_slip_sides
703    o ebm package wasnt quite up to the parallel task. Fixed that.
704    o Adjoint of EBM package + verification
705      * TLM OK
706      * ADM not sufficient accuracy yet (needs further testing)
707    
708    checkpoint53b_post
709    o Commiting new energy balance model to repository
710      * package is pkg/ebm
711      * verif. is verification/global_ocean_ebm
712      * references are in ebm_driver.F
713    C      * X. Wang, P. Stone and J. Marotzke, 1999:
714    C        Global thermohaline circulation. Part I:
715    C        Sensitivity to atmospheric moisture transport.
716    C        J. Climate 12(1), 71-82
717    C      * X. Wang, P. Stone and J. Marotzke, 1999:
718    C        Global thermohaline circulation. Part II:
719    C        Sensitivity with interactive transport.
720    C        J. Climate 12(1), 83-91
721    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
722    C        Destabilization of the thermohaline circulation
723    C        by atmospheric eddy transports.
724    C        J. Climate 7(12), 1870-1882
725    o Will need long integration testing.
726    checkpoint53b_pre
727    
728    o created pkg/mom_common in preparation for variable viscosity code
729    o renamed and split ini_mnc_io
730    o pkg/land: only liquid water can diffuse or run-off
731    o AIM using land: soil wetness availability account for snow
732    o added printMapIncludesZeros to EEPARMS namelist
733    
734    checkpoint53a_post
735    o restore TAMC compatiility for exf_constants.h
736      (no usage of _d in .h)
737    o Additional storing in KPP in an attempt to fix
738      TAMC problem with adjoint of KPP code.
739      (no success...)
740      Identical code works fine with TAF.
741    o Fixed verification/natl_box_adjoint experiments.
742      Initial conditions for Experiments 4 and 5 are now
743      set to "SEAICE_initialHEFF=0", which is more reasonable,
744      and hence gives results closer to that of Experiment 2.
745      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
746    
747    checkpoint53
748    o stable checkpoint with up to date adjoint
749      TLM tests only run for 1st grdchk at the moment. Its unclear if
750      this is a code problem or a problem with resetting code for g_
751      variables that is being autogenerated wrong.
752      Otherwise:
753       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
754       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
755         are both still in chaos following their security messes.
756    
757    checkpoint52n_post
758    o various build (mostly genmake2) changes including:
759      - ability to build/run more easily within Cygwin and MacOS X
760      - more complicated Makefiles with a stronger dependence on Gnu Make
761    o pkg/seaice modifications
762      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
763        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
764        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
765      - changed proxy for geostrophic velocity and updated
766        verification/lab_sea/results/* accordingly
767      - removed ADI dynamic solver from pkg/seaice
768      - replaced all occurrences of 1/CSTICE or 1/CSUICE
769        they caused a segmentation fault under certain circumstances
770      - removed unused field WATR
771    o bug fix in exf-package:
772      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
773         now reflect that.
774    o small fixes in the cal-package:
775      - set reference date to first of January for the 'model'-calendar
776      - failing of cal_CheckDate in cal_FullDate now actually results in a
777        warning
778    o small modifications in exf-package to increase flexibility:
779      - change climtempfreeze from a constant to a runtime parameter that
780        is specified in data.exf_clim (default = -1.9)
781      - introduce runtime parameter windstressmax (default = 2.0) that is
782        specified in data.exf
783    o fix in pkg/thsice:
784      - update Evap (Tsf changes) to be consistent with Latent heat flux
785      - maintain snow precipitation unchanged (even if Tsf >=0).
786     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
787    
788    checkpoint52m_post
789    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
790      this does not change any of the results, because myIter=0 in swfrac always
791      lead to jwtype=2 (the default anyway), but the call makes little sense
792      as a default
793    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
794    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
795      atmospheric model (AIM) to use it ; add a "slab ocean" component.
796    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
797    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
798    o extending useSingleCpuIO option to work with new exch2 I/O format
799      - old-style, missing-tile I/O is still accessible by defining CPP
800        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
801    o monitor package can write to NetCDF files and/or STDOUT
802    o fix re-definition bug in MNC_GRID_INIT_ALL()
803    o doc/api_reference added
804      - a framework for building an API Reference Manual using all
805        the "protex" comments embedded in the code
806      - see pkg/generic_advdiff, pkg/mnc for examples
807    o MNC:
808      - make myThid the last argument for all subroutines
809      - new default for the grid files: NO halos
810      - add useMNC and other run-time flags
811      - separate per-file-group handling of the unlimited dimension
812      - early initialization of MNC w/ flags read at the eeboot stage
813        and lookup tables set in initialize_fixed
814      - write all MNC output to a freshly-created directory
815    o thermodynamics sea-ice (thsice) is now tested with testreport.
816    o test exp. advect_cs: use the standard cs32 grid ; update output.
817    o Added functionality to grdchk:
818      pick global i,j,k position (or nearest wet) where to perform check.
819    
820    checkpoint52l_post
821    o new land formulation:
822      a) use ground enthalpy as prognostic variable to ensure exact
823         energy conservation.
824      b) account for water temperature and for latent heat of freezing
825         in all processes (rain, run-off, ground storage)
826      c) compute surface and ground temperature implicitly.
827    o aim_v23 modification for new land model:
828      a) Treat separately land / ocean / sea-ice surface fluxes
829         to allow implicit computation of land & sea-ice surface temp.
830      b) add snow precipitation.
831    checkpoint52l_pre
832    
833    o fix problem (when 1 tile is empty) in min/max monitor.
834    o fix bug in timeAve (u,vZetatave in common block)
835    o no restoring terms under ice for pkg/seaice
836    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
837    o bug fix for pkg/seaice pickups
838    o change MNC call locations and add coordinate attributes
839    o mask vorticity at the corner ; affects global_ocean.cs output
840    o fix ini_curvilinear_grid ; test CS experiments with mpi
841    o aim.5l_cs: modify sea-ice fraction input file ; update output
842    o exf: Adding simple range check routine for exf fields after read
843    
844    checkpoint52k_post
845    o removed top-level directory "diags"
846      - we migrated these functions to pkg/timeave a long time ago
847    o fixed bug introduced in pkg/monitor
848    o accuracy ctrlprec = 32 insuffient for gradient checks using
849      averaged fields (I/O via cost_averages)
850      -> use ctrl.h in active_file*.F to control I/O precision.
851    o paramter list of CALL ADTHE_MAIN_LOOP
852    o added initial do_the_model_io to ecco
853    o set all ...Freq to zero after cost_final
854      taveFreq, dumpFreq, pChkptFreq
855    o MAIN and ECCO differentiability restored
856    
857    checkpoint52j_post
858    o fix nchklev in tamc.h for global_ocean...
859    o Bringing flow and store directives up-to-date
860    o Really weird thing!
861      call do_the_model_io from the_main_loop with parameters
862      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
863      TAF places a faulty re-call of initialise_varia
864      after cost_final call which should not be there!
865    checkpoint52j_pre
866    
867    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
868      error messages
869    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
870    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
871      debug output
872    o modfied mdsio_writefield.F to handle non-global files under exch2
873    o update AIM Cubed-Sphere exp (aim.5l_cs):
874      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
875    o update AIM Equatorial Channel exp:
876      use standard aim_v23 pkg and change the SST fields to be more realistic.
877    o globalFile now works with exch2
878    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
879      mon_vort3.F to make exch2 friendly with >1 tile per cube face
880    o limit timeave output for hi-res integrations
881    
882    checkpoint52i_post
883    o removed CPP_EEOPTIONS.h from verification/*/code
884    o updated the tiling for global_ocean_pressure
885    checkpoint52i_pre
886    
887    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
888      the old pkg/aim).
889    
890    checkpoint52h_pre
891    o shortened offending lines in exch2_send_rx?.template
892    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
893    o genmake2: add build & execute test for NetCDF code
894    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
895      old grid files, moved CPP_EEMACROS.h to pkg/exch2
896    o added useSingleCPUIO flag to monitor.F and mon_out.F
897    o added temporary hack for sea-ice dynamics on the cube:
898      metric terms are ignored and it is assumed that
899      there is no sea-ice on cube faces 1, 2, 4, and 5.
900    
901    checkpoint52f_post
902    o added exch2 cube routines to pkg/exch2
903    o modified hs94.cs-32x32x5 to use it
904    o added new grid files to hs94.cs-32x32x5
905    checkpoint52f_pre
906    
907    checkpoint52e_post
908    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
909      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
910    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
911      to work with implicit vertical advection and AB ;
912    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
913    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
914     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
915    checkpoint52e_pre
916    
917    o fix bug in impldiff when Nr=1 or Nr=2.
918    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
919    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
920    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
921      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
922    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
923    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
924    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
925    
926    checkpoint52d_post
927    o re-tiled many expts to allow comparison in multi-processor mode
928      - updated output accordingly
929      - changed hs94.128x64x5 to use intial T from file rather than use the
930        random number generator
931    o add infrastructure in model routines for fizhi and gridalt packages
932    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
933    o changes to permit hi-res, cubed-sphere, configuration
934      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
935      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
936      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
937        of surface winds for the cube
938      (A verification experiment, based on global_ocean.cs32x15, but with
939       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
940       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
941       complete with example surface forcing files and matlab scripts to look
942       at the output and compare it with that of global_ocean.cs32x15.)
943    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
944       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
945       to conform to the common rule.
946    o check-in the first version of the coupler + interfaces for multi-components
947       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
948       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
949       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
950       - ocean and atmos. share the same horizontal grid (no interpolation).
951       - exchanges between component and coupler is done in forward_step
952    o new verification experiment, cpl_aim+ocn:
953       coupled ocean - AIM atmosphere on cs32 grid.
954    
955    checkpoint52d_pre
956    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
957    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
958    
959    checkpoint52c_post
960    o Fixing OPTIONS files for use of exf:
961      - ALLOW_ECCO not needed
962      - ECCO_CPPOPTIONS.h should not be included from
963        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
964        as has been the case in the past
965      - All cal/exf related options are currently set in
966        single header file. Should remain so until we
967        agree on a consistent new policy.
968    o Removed all CPP options for cal package.
969      cal has no more CPP options.
970    o modified STOREs in GAD_ADVECTION
971    o corrected key comp. for passkey
972    
973    checkpoint52b_post
974    o new version: "thsice" of thermodynamic sea-ice pkg:
975     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
976     - modify fluxes but do not change theta directly;
977     - light cleaning of bulk_force pkg (still needed with thsice).
978     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
979       + output_thsice.txt to test thsice & bulk_force pkgs.
980    o put back grid & coriolis monitor output.
981    checkpoint52b_pre
982    
983    o call "do_the_model_io" at the beginning (=> dump initial state)
984    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
985    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
986      (need info on NUMBER_OF_PTRACERS)
987    o missing PTRACERS headers in some routines
988    o default tamc.h in pkg/autodiff supposed to crash
989      to ensure proper customization
990    
991    checkpoint52a_post
992    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
993      - moved surfaceTendencyTice from pkg/seaice to main code
994      - subroutine FREEZE_SURFACE now limits only surface temperature
995        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
996        => new output.txt for global_ocean.cs32x15 & global_with_exf
997      - keep the old version of FREEZE for backward compatibility;
998        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
999      - corresponding modifs for TAF directives
1000    o added surface flux output variables to TIMEAVE_STATVARS
1001    o time-averaged output for pkg/ptracers
1002    o fix problem with ECCO-related divided adjoint
1003      snapshot file was missing some ad-variables,
1004      but no warning issued by TAF
1005    
1006    checkpoint52a_pre
1007    o some bug fixes for #undef REAL4_IS_SLOW
1008    
1009    checkpoint52 = ecco_c52_e35
1010    o after testing adjoints of checkpoint51u_post
1011    
1012    checkpoint51u_post
1013    o this is the post-merge tag of the ecco-branch
1014      (needs another clean checkout and re-testing)
1015    o various natl_box_adjoint configs and results
1016      but no input fields
1017    o obcs adjoint not yet merged!
1018    o adding ECCO global 1x1 and 2x2 degree configs
1019    o updated/extended some store directives for seaice
1020    o pkg/ecco now containes ecco-specific part of cost function
1021    o top level routines the_main_loop, forward_step
1022      supersede those in model/src/
1023      previous input data.cost now in data.ecco
1024      (new namelist ecco_cost_nml)
1025    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1026    
1027    checkpoint51t_post
1028    o this is the pre-merge tag of the ecco-branch
1029    
1030    checkpoint51s_post
1031    o cleanup: removed various obsolete #define-s
1032    o pkg/grdchk
1033      - renamed 'ph-grd 3' to 'grad-res'
1034      - merged from ecco-branch
1035        (remaining bug fixes for obcs gradient checks)
1036      - additional high-precision output for testreport
1037        (grep for 'precision_grdchk_result')
1038    
1039    checkpoint51r_post
1040    o cleaned up or removed CPP_OPTIONS.h files
1041    o updated results for some of the tests to reflect the new
1042      optfiles (-ieee: -O0 instead of -O3)
1043    
1044    checkpoint51q_post
1045    o cd_code:
1046      - moved cd_scheme.F -> cd_code_scheme.F
1047      - separate read_checkpoint from cd_code_ini_vars.F
1048      - separated cd_code part from write_checkpoint
1049      - updated AD_SOURCE, generated .flow
1050      - added CD_CODE_VARS.h to the_main_loop
1051      - Moving cd_code specific store dir.s to pkg/cd_code
1052    o ctrl package totally restructured
1053      - pack/unpack now optional and decoupled from
1054        xx_/adxx_ I/O
1055      - ctrl_pack/unpack cleaned
1056        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1057      - confined inclusion of AD_CONFIG.h to where necessary.
1058    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1059    
1060    checkpoint51p_post
1061    o create initial cd_code package
1062      - WARNING: the initialization of fields within packages
1063        is broken because INI_FIELDS (where READ_CHECKPOINT is
1064        called) is called *before* PACKAGES_INIT_VARIABLES.
1065        This seems to be backwards since
1066        1) its important to initially zero the entire field including
1067           the "halo" region
1068        2) zeroing needs to be done *before* reading pickup info
1069           and the pickup call might or might not happen in any
1070           particular run
1071      - this needs an overhaul for R2
1072    o cleanup verification/*/code/GMREDI_OPTIONS.h
1073    o cleanup testreport
1074    
1075    checkpoint51o_post
1076    o bringing AD-related verif's up to date with genmake2
1077      - carbon/
1078      - global_ocean.90x40x15/
1079      - hs.94.1x64x5/
1080      - (front_relax/ )
1081    o (more) consistent directory structure for AD-related verif.'s
1082    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1083    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1084    o bug fix in find_alpha.F for MDJWF:
1085      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1086        change rho -> rho-rhoConst
1087      - replace call find_rho to find_rhonum
1088    o initialisation of rFlx extended to full array (required by TAF)
1089      and shifted to thermodynamics
1090    o removed PTRACERS.h in ptracers routine
1091    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1092    o Correcting initialisations for fVerU, fVerV.
1093    o helping TAF to recognize dependency on kUp for
1094      fVerU, fVerV
1095    o Replacing delZ by delR in pkg/ctrl/
1096    checkpoint51o_pre
1097    
1098    o undid all of cp51 pending some cleanups and discussion
1099    o added the [#include "AD_CONFIG.h"] statement to all files that need
1100       it for adjoint/tl #defines
1101     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1102     o removed tools/genmake since it no longer works
1103    
1104    checkpoint51n_post
1105    o modifications to make FREEZE flux visible to pkg/kpp
1106      - moved surfaceTendencyTice from pkg/seaice to main code
1107      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1108      - subroutine FREEZE now limits only surface temperature
1109        (this means new output.txt for global_ocean.90x40x15,
1110         global_ocean.cs32x15, and global_with_exf)
1111    o added surface flux output variables to TIMEAVE_STATVARS
1112    
1113    checkpoint51n_pre
1114    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1115    o added [#include "AD_CONFIG.h"] to all files that use the following
1116      defines:
1117      - ALLOW_ADJOINT_RUN
1118      - ALLOW_TANGENTLINEAR_RUN
1119      - ALLOW_ECCO_OPTIMIZATION
1120    
1121    checkpoint51m_post
1122    o incorporating changes to get TAMC/TAF working in genmake2
1123      - added new TAMC/TAF targets to the Makefile
1124      - various cleanups related to package handling
1125      - these changes should have no impact on the forward model
1126    
1127    checkpoint51l_post
1128    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1129     - faster algorithm for cal_addtime.F
1130     - higher precision arithmetic, where needed
1131     - pkg/exf *startdate variables changed from calendar date to
1132       model integration time
1133    
1134    checkpoint51l_pre
1135    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1136    o enable to apply restoring on S & T only in a latitude band.
1137    o update output (external_forcing_surf modif. change truncation errors)
1138       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1139    
1140    checkpoint51k_post
1141    o change default to: useNHMTerms=.FALSE.
1142     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1143       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1144     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1145        exp1, ideal_2D_oce
1146     - change data file of oceanic exp (leave the results unchanged for now)
1147       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1148    o set gravitySign automatically according to the vertical coordinate used
1149      (and change sign: back to "logical" value: +1 when R increases downward)
1150    o added an include barrier to the default CPP_OPTIONS.h and
1151      removed the #include "PACKAGES_CONFIG.h" from it
1152    o fix a bug in mom_fluxform (from chk51j_post)
1153    
1154    checkpoint51j_post
1155    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1156    o adjusted some flow directives (dynamics, thermodynamics)
1157    o added cubed-sphere case to test cost function
1158    o heckpoint_lev?_directives.h now include
1159      pkg-specific directives, whenever those are enabled.
1160    o Moving pkg-specific flow directives to corresponding pkg
1161      Moving pkg-specific differentiation list to corresponding pkg
1162      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1163      ---> conventions are
1164           - pkg_ad.flow
1165           - pkg_ad_diff.list
1166           - pkg_ad_check_lev?_dir.h
1167    
1168    checkpoint51i_post
1169    o merge of the branch-genmake2
1170      - knowingly breaks the older genmake
1171      - automatic generation of all ALLOW_${PKG_NAME} defines
1172      - new testreport supersedes older testscript
1173    o large number of package inclusion and header cleanups
1174    checkpoint51i_pre
1175    
1176    o new output for adjoin of global ocean vector invariant
1177    o fix for checkpoint of thermodynamic seaice and bulk_force
1178    o Steph gchem various cleanups
1179    
1180    checkpoint 51h_pre
1181    o fixed some single quotes
1182    o modify gchem pkg to be more versatile
1183    o modifications to clean up dic pkg
1184    o add pkg/cfc
1185    
1186    checkpoint51g_post
1187    o provide links for ARPACK and ADM*TLM
1188    o start removing verification/vero/
1189    o update AD-related stuff
1190      (in particular some IF-statements in model/src/ routines)
1191    o adding to verification/global_ocean.90x40x15/ adjoint of
1192      vector invariant setup
1193    
1194    checkpoint51f_post
1195    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1196    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1197      of tracer Green's fucntions for ocean inversion project.
1198    
1199    checkpoint51f_pre
1200    o Added on-the-fly spatial interpolation capability
1201        "USE_EXF_INTERPOLATION" to pkg/exf.
1202      - This is a temporary Cartesian-grid hack until
1203        the super-duper ESMF coupler becomes available.
1204      - See verification/global_with_exf/README for usage example.
1205      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1206        flags and modified pkg/seaice accordingly.
1207    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1208        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1209        non-local transport term.
1210    
1211    checkpoint51e_post
1212    o pkg/mom_vecinv:
1213      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1214      - add time-ave diagnostic of vorticity advection.
1215    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1216    o atmospheric geopotential: - include water vapor effect;
1217                                - use p^kappa in p* scaling.
1218    o land pkg: read initial state from files.
1219    o AIM : add stratospheric drag in the upper level
1220    
1221    checkpoint51d_post
1222    o change function ILNBLNK (=> last non-blank char.) to return zero
1223      (instead of the string length) when the string. char is empty
1224    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1225    o modif's to restore TAMC compatibility
1226      - avoid "_d" constructs in PARAMETER declarations
1227      - avoid interrupting lines by comment lines
1228    o Use cluster local disks for purely local I/O
1229      vs. globally visible disks needed for ctrl stuff
1230      (merged from ecco-branch)
1231      - new active_file_loc... and mdsio_..._loc routines
1232      - affected packages: autodiff, ctrl, grdchk, mdsio
1233    
1234    checkpoint51c_post
1235    o introducing integer flag debugLevel
1236      - debLevZero: suppress all output
1237      - debLevA: standard
1238      - debLevB: equivalent to current debugMode=.TRUE.
1239    o introducing pathname variable mdsioLocalDir for mdsio
1240      that can be specified at runtime
1241      (relevant for cluster I/O to local disk)
1242    `
1243    >>>checkpoint51b_post
1244    adjoint of ptracers
1245    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1246    o extended state in checkpoint_lev?, etc.
1247    o alternative ctrl/cost with tr1 or ptracer
1248    o new comlev1_bibj_ptracers
1249    o new ptracers.flow
1250    o made ptracers_forcing same as external_forcing_s
1251    o added verification for adjoint with ptracers
1252      - adm. grdchk fail so far
1253      - tlm. grdchk OK
1254      - checked tapelev/comlev recomputations: OK
1255    <<<checkpoint51b_pre
1256    
1257    checkpoint51a_post
1258    o added code for biogeochemistry package
1259      - new pkgs: dic, gchem
1260      - new subroutine in ptracers
1261    o modify code for biogeo packages
1262      - in model/src and pkg/ptracers
1263    
1264    checkpoint51
1265    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1266      - autodiff, ctrl, exf, grdchk, seaice
1267      kept separate packages
1268      - cost, ecco, obcs
1269    o updating verification/internal_wave, verification/lab_sea
1270      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1271    
1272    checkpoint50i_post
1273    o Preparing next differentiable checkpoint and sync
1274      of MAIN vs. ecco-branch
1275      - 1st step: this one is differentiable
1276      - 2nd step: next(! not this) checkpoint will have updated packages
1277                  from ecco-branch)
1278    
1279    checkpoint50h_post
1280    o new package "land": provide surface BC for AIM.
1281    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1282    o AIM: use true log-P extrapolation for near surface temp (= as in
1283        F.Molteni paper) ; update aim.5l_cs output.
1284    o New variable in PARM03 for more flexible pickups
1285    o somewhat cleaned package initialisation sequence for
1286      ctrl/ cost/ ecco/ in packages_... routines
1287    
1288    checkpoint50g_post
1289    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1290      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1291      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1292        made the default because of faster convergence than ADI
1293    
1294    checkpoint50f_post
1295    o exf totally restructured
1296      - replaced all exf_set_ routines by one generic exf_set_gen.F
1297        and made sure it's still differentiable
1298      - split exf_getffields.F into new exf_bulkformulae.F
1299      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1300      - updated adjoint/makefile and relevant verif. accordingly
1301    
1302    checkpoint50f_pre
1303     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1304          + change Evap over land. (update aim.5l_cs output)
1305     o added missing .cvsignores and made uniform across expts
1306     o changed configuration of tidal_basin_2d expt
1307     o added pkg/debug functions for tracing code in fatal crashes
1308     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1309     o new fn in pkg/monitor to stop model if solution grows too big
1310     o removed lots of single quotes from comments
1311    
1312    checkpoint50e_post
1313    o make KPP work with PTRACERS
1314     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1315       nearly a copy of kpp_transport_s
1316     - there is no analogue to SurfaceTendencyS, so I have to use
1317       gPtr(of the surface layer) instead
1318    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1319    checkpoint50e_pre
1320    
1321    checkpoint50d_post
1322    o change kpp output from multiple-record state files to single-record state
1323      files analogous to write_state.F
1324    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1325      analogous to the cg2d-related output.
1326    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1327      so that writing to internal file fn (with length 512) fails.
1328    checkpoint50d_pre
1329    
1330  checkpoint50c_post  checkpoint50c_post
1331  o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)  o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1332  o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.  o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.

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