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revision 1.125 by jmc, Mon Jan 27 21:42:19 2003 UTC revision 1.466 by heimbach, Fri Mar 25 00:30:46 2005 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
7    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
8      as well as grad(vort3).  Made it compatible with both approximate form
9      for the cubed sphere and full form of these gradients.  Added flag
10      useFullLeith to select between approximate and full form.  
11    o add "d0" in getcon.F to reduce differences between compilers/platforms
12      update output.txt of exp. fizhi-gridalt-hs
13    o change port_rand funtion to allow to set the seed.
14    o fix obscure MNC bug involving conversion between reals and integers
15      - it caused no problems with certain (eg. gcc, ifc) compilers but the
16        new version is now more standards-compliant
17    
18    checkpoint57e_post
19    o Adding eddy stress controls a la Ferreira et al.
20    checkpoint57e_pre
21    
22    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
23      update output.txt of exp. fizhi-gridalt-hs
24    o add more "Z" dimensions and associated coordinate vars to MNC
25    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
26    o parameter calendarDumps: when set, approximate months (30-31 days) and years
27      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
28      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
29      months and years.  Requires pkg/cal.
30    o diagnostics: add pickup functionality
31      - off by default for backwards compatibility
32      - current version only uses MDSIO -- MNC will be added
33    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
34    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
35    
36    checkpoint57d_post
37    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
38    o modify verification/ideal_2D_oce so that it tests the creation of mnc
39      output from the diagnostics package
40    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
41    o make genmake2 more portable by using ".$FS" instead of ".f" for more
42      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
43    o add coordinate variables to the MNC output from the diagnostics package
44    o change MNC-flags default value: true when useMNC=TRUE
45    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
46      the ability (off by default) to read the grid information using MNC
47    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
48    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
49    o do snap-shot diagnostics at the middle of the time-interval (instead of
50      at the end).
51    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
52      new test for AIM with thSIce + slab-ocean
53    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
54    o move state variable diagnostics to the beginning of the time step ;
55      (note: still needs some work specially for snap-shot diagnostics)
56      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
57    
58    checkpoint57c_post
59    o Change testing option (-ieee) to get closer agreement between g77 & ifort
60    o generate new output.txt files on faulks with g77 & the new -ieee option
61    checkpoint57c_pre
62    
63    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
64      update output.txt of exp. global_ocean.90x40x15
65    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
66      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
67    o add saltFlux(+File) forcing capability with periodicExternalForcing
68    o allow to use pkg diagnostics for GM-Redi & ThSIce output
69    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
70    o improvements for the MNC output from DIAGNOSTICS:
71      - correct handling of the unlimitied dimension
72      - all dims now have associated coordinate variables
73      - variables located at U, V, and Corner ("Z") points are now written
74        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
75        *all* data points are output
76    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
77    o added pkg/seaice/seaice_monitor.F
78    o mdsio_readfield.F can now read files visible only to master MPI process.
79    o pkg/seaice: some test code for ice-modified ocean stress
80    o exf_getffields interpolation defaults to bilinear for all scalar forcing
81      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
82      spurious negative numbers for precipitation and humidity.  Will cause
83      some small numerical differences for integrations using pkg/exf/exf_interp.F.
84    o pkg/ctrl/
85      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
86        May be enabled via doPackDiag
87      *  introduce z-scaling of
88         + gradient (doZscalePack) and
89         + control (doZscaleUnpack)
90    o pkg/mdsio/
91      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
92      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
93    
94    checkpoint57b_post
95    o simplify options in diagnostics_fill arguments (remove weird combinations)
96    o fix MNC coordinate variables so that they now contain per-face index
97      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
98      general, EXCH2 grids are only aligned to a "local" coordinate system
99    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
100    o Implement instantaneous output within pkg diagnostics:
101      setting a negative frequency in data.diagnostics produces
102     "snap-shot" output (as opposed to time-average if freq > 0)
103    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
104      NOTE: change ptracer diagnostics name: use 2 characters to work with
105            more than 9 tracers. Add also diagnostics of advect & diffus flux.
106    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
107      becomes the coordinate variable for the 'T' dimension
108    o add CF-style coordinate variables to MNC
109      - just a first cut:  numbers are meaningless on the cubesphere and
110        missing along the T axis but otherwise it works!
111    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
112    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
113    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
114      this is based directly on what the model compute, so that the content of
115      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
116    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
117    o clean up build options files for SunOS, in particular
118      - remove -traditional from xmakedepend
119      - change -xarch=v9 to -xarch=native for f77
120      - restore use of make (not gmake)
121      - add CC=gcc if using g77
122    o changes per discussion of AM, JMC, & EH3 today:
123      - move redundant "grid" variables out of "state" -- in preparation of
124        creating proper CF-style coordinate variables and in recognition
125        that any/all grid variables can be easily copied (eg. w/NCO) from
126        the grid files into any of the other NetCDF files
127      - *always* output grid variables with MDSIO (this will eventually be
128        changed)
129      - output MNC grid file if useMNC is true
130    o every instance of _END_MASTER() has been found and replaced with
131      _END_MASTER( myThid ) in order to satisfy certain picky Sun
132      preprocessors
133    o re-arrange diagnostics pkg initialisation:
134     - allow each package to extend the available diagnostics list
135     - add some checking and fix small problems (multi-threaded, ...)
136     - new S/R diagnostics_fill (replace fill_diagnostics):
137       look through the short list of active diag. (instead of the long list)
138       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
139    
140    checkpoint57a_post
141    o this set of changes restores TAMC compatibility
142      tested for global_ocean.90x40x15 adjoint on trough
143      (what a pain)
144    
145    checkpoint57a_pre
146    o some modifs in tools/build_options for sunos
147    o call ctrl_pack for ctrl at end for optimcycle=0
148    
149    checkpoint57
150    o add horizontal bi-harmonic viscosity for vertical velocity
151      - new parameter viscA4W (defaults to viscA4)
152      - affects only non-hydrostatic code
153      - to be done: no-slip lateral boundary conditions
154    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
155    o implement Implicit Vertical advection for pTracers
156    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
157      (implemented also for implicit vertical diffusion & advection)
158    o OBCS: extend application of tracer open boundary conditions
159      to a strip beyond the boundary of width Olx/Oly
160    o add call monitor to TAF set of required calls (flow directives)
161      and include in natl_box_adjoint
162    o untangle a few ifdefs related to cost, ctrl, autodiff
163      untangel a few ALLOW_ECCO_OPTIMIZATION
164    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
165      (theta2, salt2 in ecco_cost_weights)
166    
167    checkpoint56c_post
168    o OBCS as control variables
169      - update ctrl_ad_diff.list, obcs_ad_diff.list
170      - remove balance of obcs controls from default
171      - fix index bug nobcs in ctrl_init
172      - fix dummy fields filen in ctrl_pack
173      - add dummy weights for obcs
174    o lsopt: comment out fort.94 output
175    o optim:
176      - remove unnecessary header files
177      - adjusted namelists
178      - add xerbla.F to Makefile
179    o exf:
180      - multiple modifications of exf_check_range
181      - unit change in exf_init_runoff from [m/year] to [m/s]
182    o mdsio:
183      - i/o-vector change debugLevel from debLevA to debLevB
184    
185    checkpoint56b_post
186    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
187      is called from DO_THE_MODEL_IO
188      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
189      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
190      - clean up PTRACERS_WRITE_TIMEAVE a little
191    o add another verification experiment that tests both the cfc-pkg and
192      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
193      reactive tendencies treated inline with regular timestepping
194    o testreport previously did a lousy job of comparing small numbers, so
195      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
196      implemented in the little c-progam tmp_cmpnum.c which is embedded in
197      testreport.
198    o ptracers_monitor: bug fix for MPI
199    
200    checkpoint56a_post
201    o GCHEM: finish reorganizating the package
202      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
203        (introduces another 3D-array for each passive tracer, but only if
204        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
205        gchemTendency is not needed because the timestep is done separately)
206      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
207      - GCHEM is now---more or less cleanly---separate from PTRACERS
208      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
209        so clear to me how that should be done in a general way.
210    o CFC: improve formatting of output in CFC_ATMOS
211    o PTRACERS:
212      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
213        that ALL experiments with ptracers enable can be checked. This makes
214        GCHEM_MONITOR obsolete.
215      - include a runtime parameter PTRACERS_monitorFreq that defaults to
216        monitorFreq
217      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
218    o add PTRACERS (PTR0[1-5]) to testreport output
219    o exf_check_range:
220      * default changed to .TRUE.
221      * will check values for niter0 if debLevA, every timestep if debLevB
222      * STOP in exf_check_range if 'out of range'
223      * range chosen generous to allow for potential extema
224      TBD: a version with stricter range
225           permitted range would be runtime parameters
226    o GMredi:
227      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
228      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
229      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
230    o GCHEM:
231      - move call to GCHEM_FORCING_SEP, so that it is now called before
232        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
233      - introduced a useGCHEM runtime flag and applied it everywhere.
234      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
235        this flag is now only visible within GCHEM-pkg routines.
236      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
237        be replaced by a 3D array that is computed before thermodynamics; for
238        this, the tracer ID iTracer had to be included into the parameter list
239        of ptracers_forcing
240      - set up forward_step to call gchem_forcing, that will replace
241        gchem_forcing_int in ptracers_forcing
242      - cleaning up
243    o small cleaning of exch2: remove files that are also in eesupp/src
244    
245    checkpoint56
246    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
247    o mnc: cleanup "full" files--fixes out-of-memory problem
248    o ECCO-GODAE
249      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
250      * fully merged and updated from SIO code
251        windstress sign change affects
252        - exf_inscal_[u/v]stress
253        - sign of xx_tau[u/v] adjustments
254        - signs in cost_scat
255      * ctrl_get_gen: avoid update of tau[u/v] for first few days
256      * natl_box_adjoint updated and compressed
257      * 2-level checkpoint switch added
258        (tested in EXP. 1 of natl_box_adjoint)
259      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
260    o SVD
261      * first complete, non-hacked version for SVD calculations
262      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
263        performed via direct access files admtlm_vector.it????
264        (via ctrl_[un]pack)
265      * optimcycle is used for ARPACK iteration counter
266        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
267      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
268        and add linear transforms where necessary
269      * controls are initial/final SST, SSS (can be extended; need to check
270        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
271    o mdsio: filename info to both stderr, stdout
272    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
273      from sign change
274    
275    checkpoint55j_post
276    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
277      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
278    o add consistent build directories and .cvsignore files to verification
279    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
280    o make all subroutines 30 or less characters in length for certain older
281      compilers to work (a thorough search only turns up two routines in
282      pkg/ptracers)
283    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
284      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
285    
286    checkpoint55i_post
287    o change arrays for total vertical diffusivity (2.D if explicit,
288      3.D if implicit) ; each ptracer uses its own background value.
289    o added mnc/NetCDF output capability to ocn_compon_interf
290      - added bits to verification/cpl_aim+ocn so that it can run on
291        ITRDA and other clusters without the mpirun "-wd" option
292    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
293      configuration
294    o give MNC the ability to create additional files rather than
295      exceeding a specified file size limit "MNC_MAX_FILESIZE"
296      - the default is just less than 2GB which is a practical limit
297        on many systems
298    o Compute the non-local term using either KPP vertical diffusivity (=default)
299       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
300    
301    checkpoint55h_post
302    o add verification test "vermix"
303    o remove all the *_ioinc flags and replace with the single global
304      outputTypesInclusive flag
305    o allow to set a vertical profile of vertical diffusivity for T & S
306    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
307    o useMNC moved from data.mnc to data.pkg
308    
309    checkpoint55g_post
310    o Renaming carbon AD experiments to comply with testreport conventions
311    o Updating adjoint of Held-Suarez hs94.1x64x5
312    o Fixing directives for non-ECCO forward_step, after ECCO directives
313      have been fixed to avoid recomp. of do_oceanic_phys
314      Works well for global_ocean.90x40x15,
315      but recomp. issue remains for carbon
316    o Updating adjoint output for natl_box_adjoint after
317      pkg/ecco has been modified (see taga c55d_post)
318    
319    checkpoint55f_post
320    o rename to timeave_init_fixed
321    
322    checkpoint55e_post
323    o some delicate re-shuffle of store directives to avoid one
324      extra call of do_oceanic_physics
325      affects ecco_the_main_loop.F, do_oceanic_physics.F
326      checkpoint_lev1_directives.h
327    o NB: this may break global_ocean adjoint temporarily,
328      but it is clear how to fix it. Will do later, need this now.
329    
330    checkpoint55d_post
331    o ECCO specific cost function terms (up-to-date with 1x1 runs)
332    o ecco_cost_weights is modified to 1x1 runs
333    o modifs to allow observations to be read in as
334      single file or yearly files
335    o enable to read exf forcing fields as either
336      single file or yearly files (flag useExfYearlyFields)
337    checkpoint55d_pre
338    
339    o switch between 2-level and 3-level checkpointing
340    o add ability of MNC to write local and "partial" (eg. 2D slices where
341      the full 3D field is never actually stored) arrays to NetCDF files
342      with the correct (that is, the complete multi-dimensional) set of
343      array indicies
344      - used in mom_vecinv() to write the diagFreq output
345      - tested (demonstrated) in verification/aim.5l_cs
346    o further mnc-ification
347      - add verification/lab_sea to the list with mnc setups
348      - fix undefined mnc v-names in cd_code
349      - add kpp to mnc output (both snapshot and timeave)
350    o non-hydrostatic code
351      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
352        in calc_gw.F
353      - defaults to viscAh
354      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
355        friction or Leith) in non-hydrostatic mode, as long as there is
356        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
357    o pkg/cost
358      extend simple cost functions to treat time mean quantities
359      (T,U,V) via cost_accumulate_state from cost_tile
360    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
361        be 2 times larger than the minimum size the advection scheme requires.
362        now get a perfect conservation of salt in advect_cs test-exp (updated)
363    o GGL90 (Gaspar's TKE mixed layer)
364      - add horizontal diffusion of TKE, requires exchanges in
365        do_fields_blocking_exchanges, horizontal diffusivity is zero by
366        default. In OPA there is no horizontal diffusion of TKE but the
367        mixing coefficients are computed from a horizontal average of TKE of
368        6 points or so. I think that diffusion has a little more physical
369        justification.
370      - clean up ggl90_calc in the hope of reducing memory usage (this hope
371        was in vain)
372      - mask tke-variable in ggl90_init
373    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
374    o fix biharmonic diffusion on CS-grid.
375    o more obcs stuff
376      - added obcs_external_fields_load as an alternative to the EXF-pkg option
377        for reading boundary values. This routine is called from
378        obcs_prescribe_read
379      - updated obcs_check
380      - changed sponge layer relaxation parameter units for days to seconds
381      - turned off sponge layer by default
382      - changed argument list of OBCS_CALC to myTime+deltaTclock
383      - fixed about 35 bugs in obcs_external_fields_load
384    
385    checkpoint55c_post
386    o obcs stuff
387      - new runtime flags useOBCSprescribe, useOBCSbalance
388      - re-arranged obcs_calc
389      - moved exf_getobcs to obcs_prescibe_read
390        obcs_prescibe_read is called after ORLANSKI stuff
391        and independent of it (executable can contain all).
392      - updated obcs_check
393      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
394        These may be necessary only if tangential velocities are
395        prescribed at OB, not sure, needs testing.
396    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
397      which simplifies the calls and passes the ifc check-bounds test
398    
399    checkpoint55b_post
400    o add a 2D scalar, Z location, exchange_2 routine.
401    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
402      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
403      affects advect_cs results (for the wrong reason): update output.txt
404    o use a more standard discretization for biharmonic viscosity ;
405     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
406      affects results of dome set-up: update output.txt
407    o fix gad_advection.F (CubedSphere part), back to version 1.23
408    o fix bug in mom_vi_del2uv.F (CubedSphere part).
409    
410    checkpoint55a_post
411    o merged code to
412      * prescribe/read time-dependent open boundaries
413        (works in conjunction with exf, cal)
414      * sponge layer code for open boundaries
415      * each boundary N/S/E/W now has its own CPP option
416        (healthy for the adjoint)
417    
418    checkpoint55
419    o up-to-date adjoint of previous breaks
420      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
421      - global_ocean_ebm: adjoint still needs fix (TLM ok)
422      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
423      - carbon: * remove tr1-related adjoint verification
424                * add ptracer as control variable
425    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
426      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
427    
428    checkpoint54f_post
429    o in verification/carbin/ remove experiment related to
430      ALLOW_PASSIVE_TRACER (array tr1 etc)
431      code_ad/ input_ad/ results_ad
432    
433    o add two new packages
434      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
435        + subject to optimization (memory)
436      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
437        + subject to reordering (many GOTOs in the original code)
438        + so far opps is called for every (i,j) point, and then operates in
439          the vertical; one may want to reorder the scheme in order operate in
440          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
441          fields)
442    o overhaul of IO so that we now have flags for MDSIO and/or MNC
443      - all verification tests compile and run with linux_ia32_g77
444      - defaults are compatible with current input files--nothing
445        should change if you were not previously using MNC
446      - MNC output has been added in numerous places (eg. timeave)
447        but there are still a few writes not yet do-able with MNC
448        (this is in progress)
449      - flags now allow for either/or/both use of MDSIO and MNC and
450        documentation will soon follow
451      - numerous small formatting cleanups for ProTeX
452    o add version info (via BUILD_INFO.h) to MNC and stdout
453    
454    checkpoint54e_post
455    o add two new packages
456      - pp81 (Packanowski and Philander, 1981), Richardson number and
457        stratification dependent mixing
458      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
459      - these scheme operate in a similar manner as KPP (without ghat, of
460        course), however there is only one diffusivity that is used for both
461        temperature and salinity (and passive tracers)ç
462    o add offline package
463    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
464      provided by Stephanie Dutkiewicz
465    o genmake2: add ability to search for C compilers and cleanup test output
466      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
467    
468    checkpoint54d_post
469    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
470    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
471      leading to additional shift by 5 days each year of integration
472       (i.e. leading to considerable offset over the years)
473    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
474    o start with no AB and no initial filtering (staggerTimeStep):
475      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
476    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
477      (external loading & cpl import/export stay in forward_step.F)
478    o update coupling interface to work with new staggerTimeStep
479    o change MDSIO ptracers_pickup.
480    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
481    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
482    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
483    
484    checkpoint54c_post
485    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
486      this affects (truncation error) output.txt of test-exp:
487       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
488    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
489    o change Qnet to always be the net heat flux, (+upward).
490      affects (truncation error) output of natl_box exp.: updated
491    o define the max number of passive tracers in PTRACERS_SIZE.h
492    o start to test mnc routinely in exp0
493    o add sea-ice loading (sIceLoad) as a new forcing field.
494    
495    checkpoint54b_post
496    o add testreport "-j JOBS" option for parallel builds (tested and pretty
497       impressive on Altix and Opteron systems)
498    o diagnostics can now write NetCDF files through the mnc package
499    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
500    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
501    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
502      affects (truncation error) output of lab_sea & natl_box exp.: updated
503    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
504    
505    checkpoint54a_post
506    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
507    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
508    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
509    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
510      + internal_wave (shift in writing cg2d_ini_res)
511    checkpoint54a_pre
512    
513    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
514      - modified verification/lab_sea and natl_box_adjoint accordingly
515    
516    checkpoint54
517    checkpoint53g_post
518    o prepare splitting of thermodynamics: store convect.counter in common block
519    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
520      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
521    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
522    o new parameter "nShapS": allow to treat differently S from T (nShapT)
523    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
524    o restore adjointability
525    
526    checkpoint53f_post
527    o modifications that affect AIM experiment results (update output.txt):
528      - no advection of S at top interface Nr (pkg/generic_advdiff)
529      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
530    o AIM pkg:
531      - include stability function into surf.Flux derivative relative to Tsurf
532      - calculate clear-sky radiation & surface temp. change (for diagnostics)
533    
534    checkpoint53e_post
535    o merged cylindrical coord configuration
536    o added rotating_tank experiment
537    checkpoint53e_pre
538    
539    checkpoint53d_post
540    o faulks upgraded: re-generate output.txt that have changed:
541       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
542    o Added Bryan and Lewis, 1979, vertical diffusivity profile
543    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
544    o added Sadourny discretization of Coriolis
545      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
546      - re-enabled use of omega3 (useAbsVorticity)
547    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
548      vector-invariant equations
549      - note: does *NOT* yet use same variable visc. for no-slip BC's.
550    o recoded the lateral boundary conditions for non-hydrostatic w, this time
551      hopefully without new bugs
552      - still to do: biharmonic friction for non-hydrostatic w
553    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
554    o regenerated output for global_ocean_ebm (using -ieee)
555    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
556      of mom_common/
557      - simple re-arrangement of instructions within computing loop
558    checkpoint53d_pre
559    
560    checkpoint53c_post
561    o new version of coupler for AIM+thSIce and Ocean models
562     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
563     - land: change Evaporation of snow
564     - aim with thSIce: fix bug in snow-precip.
565    o changes to calc_gw.F
566     - bug fix for w^2 term near the bottom boundary
567     - (hopefully) improve the lateral slip boundary condtions for use with
568        partial/looped cells
569      - because the bug fix changes two verification experiments anyway (exp5
570        and plume on slope), change the lateral boundary condition from half slip
571        to the value of no_slip_sides
572    o ebm package wasnt quite up to the parallel task. Fixed that.
573    o Adjoint of EBM package + verification
574      * TLM OK
575      * ADM not sufficient accuracy yet (needs further testing)
576    
577    checkpoint53b_post
578    o Commiting new energy balance model to repository
579      * package is pkg/ebm
580      * verif. is verification/global_ocean_ebm
581      * references are in ebm_driver.F
582    C      * X. Wang, P. Stone and J. Marotzke, 1999:
583    C        Global thermohaline circulation. Part I:
584    C        Sensitivity to atmospheric moisture transport.
585    C        J. Climate 12(1), 71-82
586    C      * X. Wang, P. Stone and J. Marotzke, 1999:
587    C        Global thermohaline circulation. Part II:
588    C        Sensitivity with interactive transport.
589    C        J. Climate 12(1), 83-91
590    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
591    C        Destabilization of the thermohaline circulation
592    C        by atmospheric eddy transports.
593    C        J. Climate 7(12), 1870-1882
594    o Will need long integration testing.
595    checkpoint53b_pre
596    
597    o created pkg/mom_common in preparation for variable viscosity code
598    o renamed and split ini_mnc_io
599    o pkg/land: only liquid water can diffuse or run-off
600    o AIM using land: soil wetness availability account for snow
601    o added printMapIncludesZeros to EEPARMS namelist
602    
603    checkpoint53a_post
604    o restore TAMC compatiility for exf_constants.h
605      (no usage of _d in .h)
606    o Additional storing in KPP in an attempt to fix
607      TAMC problem with adjoint of KPP code.
608      (no success...)
609      Identical code works fine with TAF.
610    o Fixed verification/natl_box_adjoint experiments.
611      Initial conditions for Experiments 4 and 5 are now
612      set to "SEAICE_initialHEFF=0", which is more reasonable,
613      and hence gives results closer to that of Experiment 2.
614      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
615    
616    checkpoint53
617    o stable checkpoint with up to date adjoint
618      TLM tests only run for 1st grdchk at the moment. Its unclear if
619      this is a code problem or a problem with resetting code for g_
620      variables that is being autogenerated wrong.
621      Otherwise:
622       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
623       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
624         are both still in chaos following their security messes.
625    
626    checkpoint52n_post
627    o various build (mostly genmake2) changes including:
628      - ability to build/run more easily within Cygwin and MacOS X
629      - more complicated Makefiles with a stronger dependence on Gnu Make
630    o pkg/seaice modifications
631      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
632        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
633        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
634      - changed proxy for geostrophic velocity and updated
635        verification/lab_sea/results/* accordingly
636      - removed ADI dynamic solver from pkg/seaice
637      - replaced all occurrences of 1/CSTICE or 1/CSUICE
638        they caused a segmentation fault under certain circumstances
639      - removed unused field WATR
640    o bug fix in exf-package:
641      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
642         now reflect that.
643    o small fixes in the cal-package:
644      - set reference date to first of January for the 'model'-calendar
645      - failing of cal_CheckDate in cal_FullDate now actually results in a
646        warning
647    o small modifications in exf-package to increase flexibility:
648      - change climtempfreeze from a constant to a runtime parameter that
649        is specified in data.exf_clim (default = -1.9)
650      - introduce runtime parameter windstressmax (default = 2.0) that is
651        specified in data.exf
652    o fix in pkg/thsice:
653      - update Evap (Tsf changes) to be consistent with Latent heat flux
654      - maintain snow precipitation unchanged (even if Tsf >=0).
655     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
656    
657    checkpoint52m_post
658    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
659      this does not change any of the results, because myIter=0 in swfrac always
660      lead to jwtype=2 (the default anyway), but the call makes little sense
661      as a default
662    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
663    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
664      atmospheric model (AIM) to use it ; add a "slab ocean" component.
665    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
666    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
667    o extending useSingleCpuIO option to work with new exch2 I/O format
668      - old-style, missing-tile I/O is still accessible by defining CPP
669        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
670    o monitor package can write to NetCDF files and/or STDOUT
671    o fix re-definition bug in MNC_GRID_INIT_ALL()
672    o doc/api_reference added
673      - a framework for building an API Reference Manual using all
674        the "protex" comments embedded in the code
675      - see pkg/generic_advdiff, pkg/mnc for examples
676    o MNC:
677      - make myThid the last argument for all subroutines
678      - new default for the grid files: NO halos
679      - add useMNC and other run-time flags
680      - separate per-file-group handling of the unlimited dimension
681      - early initialization of MNC w/ flags read at the eeboot stage
682        and lookup tables set in initialize_fixed
683      - write all MNC output to a freshly-created directory
684    o thermodynamics sea-ice (thsice) is now tested with testreport.
685    o test exp. advect_cs: use the standard cs32 grid ; update output.
686    o Added functionality to grdchk:
687      pick global i,j,k position (or nearest wet) where to perform check.
688    
689    checkpoint52l_post
690    o new land formulation:
691      a) use ground enthalpy as prognostic variable to ensure exact
692         energy conservation.
693      b) account for water temperature and for latent heat of freezing
694         in all processes (rain, run-off, ground storage)
695      c) compute surface and ground temperature implicitly.
696    o aim_v23 modification for new land model:
697      a) Treat separately land / ocean / sea-ice surface fluxes
698         to allow implicit computation of land & sea-ice surface temp.
699      b) add snow precipitation.
700    checkpoint52l_pre
701    
702    o fix problem (when 1 tile is empty) in min/max monitor.
703    o fix bug in timeAve (u,vZetatave in common block)
704    o no restoring terms under ice for pkg/seaice
705    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
706    o bug fix for pkg/seaice pickups
707    o change MNC call locations and add coordinate attributes
708    o mask vorticity at the corner ; affects global_ocean.cs output
709    o fix ini_curvilinear_grid ; test CS experiments with mpi
710    o aim.5l_cs: modify sea-ice fraction input file ; update output
711    o exf: Adding simple range check routine for exf fields after read
712    
713    checkpoint52k_post
714    o removed top-level directory "diags"
715      - we migrated these functions to pkg/timeave a long time ago
716    o fixed bug introduced in pkg/monitor
717    o accuracy ctrlprec = 32 insuffient for gradient checks using
718      averaged fields (I/O via cost_averages)
719      -> use ctrl.h in active_file*.F to control I/O precision.
720    o paramter list of CALL ADTHE_MAIN_LOOP
721    o added initial do_the_model_io to ecco
722    o set all ...Freq to zero after cost_final
723      taveFreq, dumpFreq, pChkptFreq
724    o MAIN and ECCO differentiability restored
725    
726    checkpoint52j_post
727    o fix nchklev in tamc.h for global_ocean...
728    o Bringing flow and store directives up-to-date
729    o Really weird thing!
730      call do_the_model_io from the_main_loop with parameters
731      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
732      TAF places a faulty re-call of initialise_varia
733      after cost_final call which should not be there!
734    checkpoint52j_pre
735    
736    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
737      error messages
738    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
739    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
740      debug output
741    o modfied mdsio_writefield.F to handle non-global files under exch2
742    o update AIM Cubed-Sphere exp (aim.5l_cs):
743      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
744    o update AIM Equatorial Channel exp:
745      use standard aim_v23 pkg and change the SST fields to be more realistic.
746    o globalFile now works with exch2
747    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
748      mon_vort3.F to make exch2 friendly with >1 tile per cube face
749    o limit timeave output for hi-res integrations
750    
751    checkpoint52i_post
752    o removed CPP_EEOPTIONS.h from verification/*/code
753    o updated the tiling for global_ocean_pressure
754    checkpoint52i_pre
755    
756    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
757      the old pkg/aim).
758    
759    checkpoint52h_pre
760    o shortened offending lines in exch2_send_rx?.template
761    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
762    o genmake2: add build & execute test for NetCDF code
763    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
764      old grid files, moved CPP_EEMACROS.h to pkg/exch2
765    o added useSingleCPUIO flag to monitor.F and mon_out.F
766    o added temporary hack for sea-ice dynamics on the cube:
767      metric terms are ignored and it is assumed that
768      there is no sea-ice on cube faces 1, 2, 4, and 5.
769    
770    checkpoint52f_post
771    o added exch2 cube routines to pkg/exch2
772    o modified hs94.cs-32x32x5 to use it
773    o added new grid files to hs94.cs-32x32x5
774    checkpoint52f_pre
775    
776    checkpoint52e_post
777    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
778      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
779    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
780      to work with implicit vertical advection and AB ;
781    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
782    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
783     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
784    checkpoint52e_pre
785    
786    o fix bug in impldiff when Nr=1 or Nr=2.
787    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
788    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
789    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
790      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
791    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
792    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
793    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
794    
795    checkpoint52d_post
796    o re-tiled many expts to allow comparison in multi-processor mode
797      - updated output accordingly
798      - changed hs94.128x64x5 to use intial T from file rather than use the
799        random number generator
800    o add infrastructure in model routines for fizhi and gridalt packages
801    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
802    o changes to permit hi-res, cubed-sphere, configuration
803      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
804      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
805      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
806        of surface winds for the cube
807      (A verification experiment, based on global_ocean.cs32x15, but with
808       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
809       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
810       complete with example surface forcing files and matlab scripts to look
811       at the output and compare it with that of global_ocean.cs32x15.)
812    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
813       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
814       to conform to the common rule.
815    o check-in the first version of the coupler + interfaces for multi-components
816       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
817       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
818       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
819       - ocean and atmos. share the same horizontal grid (no interpolation).
820       - exchanges between component and coupler is done in forward_step
821    o new verification experiment, cpl_aim+ocn:
822       coupled ocean - AIM atmosphere on cs32 grid.
823    
824    checkpoint52d_pre
825    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
826    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
827    
828    checkpoint52c_post
829    o Fixing OPTIONS files for use of exf:
830      - ALLOW_ECCO not needed
831      - ECCO_CPPOPTIONS.h should not be included from
832        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
833        as has been the case in the past
834      - All cal/exf related options are currently set in
835        single header file. Should remain so until we
836        agree on a consistent new policy.
837    o Removed all CPP options for cal package.
838      cal has no more CPP options.
839    o modified STOREs in GAD_ADVECTION
840    o corrected key comp. for passkey
841    
842    checkpoint52b_post
843    o new version: "thsice" of thermodynamic sea-ice pkg:
844     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
845     - modify fluxes but do not change theta directly;
846     - light cleaning of bulk_force pkg (still needed with thsice).
847     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
848       + output_thsice.txt to test thsice & bulk_force pkgs.
849    o put back grid & coriolis monitor output.
850    checkpoint52b_pre
851    
852    o call "do_the_model_io" at the beginning (=> dump initial state)
853    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
854    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
855      (need info on NUMBER_OF_PTRACERS)
856    o missing PTRACERS headers in some routines
857    o default tamc.h in pkg/autodiff supposed to crash
858      to ensure proper customization
859    
860    checkpoint52a_post
861    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
862      - moved surfaceTendencyTice from pkg/seaice to main code
863      - subroutine FREEZE_SURFACE now limits only surface temperature
864        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
865        => new output.txt for global_ocean.cs32x15 & global_with_exf
866      - keep the old version of FREEZE for backward compatibility;
867        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
868      - corresponding modifs for TAF directives
869    o added surface flux output variables to TIMEAVE_STATVARS
870    o time-averaged output for pkg/ptracers
871    o fix problem with ECCO-related divided adjoint
872      snapshot file was missing some ad-variables,
873      but no warning issued by TAF
874    
875    checkpoint52a_pre
876    o some bug fixes for #undef REAL4_IS_SLOW
877    
878    checkpoint52 = ecco_c52_e35
879    o after testing adjoints of checkpoint51u_post
880    
881    checkpoint51u_post
882    o this is the post-merge tag of the ecco-branch
883      (needs another clean checkout and re-testing)
884    o various natl_box_adjoint configs and results
885      but no input fields
886    o obcs adjoint not yet merged!
887    o adding ECCO global 1x1 and 2x2 degree configs
888    o updated/extended some store directives for seaice
889    o pkg/ecco now containes ecco-specific part of cost function
890    o top level routines the_main_loop, forward_step
891      supersede those in model/src/
892      previous input data.cost now in data.ecco
893      (new namelist ecco_cost_nml)
894    o in ctrl/ cleaned some cross-dependencies and updated CPP options
895    
896    checkpoint51t_post
897    o this is the pre-merge tag of the ecco-branch
898    
899    checkpoint51s_post
900    o cleanup: removed various obsolete #define-s
901    o pkg/grdchk
902      - renamed 'ph-grd 3' to 'grad-res'
903      - merged from ecco-branch
904        (remaining bug fixes for obcs gradient checks)
905      - additional high-precision output for testreport
906        (grep for 'precision_grdchk_result')
907    
908    checkpoint51r_post
909    o cleaned up or removed CPP_OPTIONS.h files
910    o updated results for some of the tests to reflect the new
911      optfiles (-ieee: -O0 instead of -O3)
912    
913    checkpoint51q_post
914    o cd_code:
915      - moved cd_scheme.F -> cd_code_scheme.F
916      - separate read_checkpoint from cd_code_ini_vars.F
917      - separated cd_code part from write_checkpoint
918      - updated AD_SOURCE, generated .flow
919      - added CD_CODE_VARS.h to the_main_loop
920      - Moving cd_code specific store dir.s to pkg/cd_code
921    o ctrl package totally restructured
922      - pack/unpack now optional and decoupled from
923        xx_/adxx_ I/O
924      - ctrl_pack/unpack cleaned
925        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
926      - confined inclusion of AD_CONFIG.h to where necessary.
927    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
928    
929    checkpoint51p_post
930    o create initial cd_code package
931      - WARNING: the initialization of fields within packages
932        is broken because INI_FIELDS (where READ_CHECKPOINT is
933        called) is called *before* PACKAGES_INIT_VARIABLES.
934        This seems to be backwards since
935        1) its important to initially zero the entire field including
936           the "halo" region
937        2) zeroing needs to be done *before* reading pickup info
938           and the pickup call might or might not happen in any
939           particular run
940      - this needs an overhaul for R2
941    o cleanup verification/*/code/GMREDI_OPTIONS.h
942    o cleanup testreport
943    
944    checkpoint51o_post
945    o bringing AD-related verif's up to date with genmake2
946      - carbon/
947      - global_ocean.90x40x15/
948      - hs.94.1x64x5/
949      - (front_relax/ )
950    o (more) consistent directory structure for AD-related verif.'s
951    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
952    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
953    o bug fix in find_alpha.F for MDJWF:
954      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
955        change rho -> rho-rhoConst
956      - replace call find_rho to find_rhonum
957    o initialisation of rFlx extended to full array (required by TAF)
958      and shifted to thermodynamics
959    o removed PTRACERS.h in ptracers routine
960    o added surfacetendencyPtr to S/R parameter list pracers_forcing
961    o Correcting initialisations for fVerU, fVerV.
962    o helping TAF to recognize dependency on kUp for
963      fVerU, fVerV
964    o Replacing delZ by delR in pkg/ctrl/
965    checkpoint51o_pre
966    
967    o undid all of cp51 pending some cleanups and discussion
968    o added the [#include "AD_CONFIG.h"] statement to all files that need
969       it for adjoint/tl #defines
970     o re-worked the build logic in genmake2 to support AD_CONFIG.h
971     o removed tools/genmake since it no longer works
972    
973    checkpoint51n_post
974    o modifications to make FREEZE flux visible to pkg/kpp
975      - moved surfaceTendencyTice from pkg/seaice to main code
976      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
977      - subroutine FREEZE now limits only surface temperature
978        (this means new output.txt for global_ocean.90x40x15,
979         global_ocean.cs32x15, and global_with_exf)
980    o added surface flux output variables to TIMEAVE_STATVARS
981    
982    checkpoint51n_pre
983    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
984    o added [#include "AD_CONFIG.h"] to all files that use the following
985      defines:
986      - ALLOW_ADJOINT_RUN
987      - ALLOW_TANGENTLINEAR_RUN
988      - ALLOW_ECCO_OPTIMIZATION
989    
990    checkpoint51m_post
991    o incorporating changes to get TAMC/TAF working in genmake2
992      - added new TAMC/TAF targets to the Makefile
993      - various cleanups related to package handling
994      - these changes should have no impact on the forward model
995    
996    checkpoint51l_post
997    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
998     - faster algorithm for cal_addtime.F
999     - higher precision arithmetic, where needed
1000     - pkg/exf *startdate variables changed from calendar date to
1001       model integration time
1002    
1003    checkpoint51l_pre
1004    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1005    o enable to apply restoring on S & T only in a latitude band.
1006    o update output (external_forcing_surf modif. change truncation errors)
1007       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1008    
1009    checkpoint51k_post
1010    o change default to: useNHMTerms=.FALSE.
1011     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1012       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1013     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1014        exp1, ideal_2D_oce
1015     - change data file of oceanic exp (leave the results unchanged for now)
1016       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1017    o set gravitySign automatically according to the vertical coordinate used
1018      (and change sign: back to "logical" value: +1 when R increases downward)
1019    o added an include barrier to the default CPP_OPTIONS.h and
1020      removed the #include "PACKAGES_CONFIG.h" from it
1021    o fix a bug in mom_fluxform (from chk51j_post)
1022    
1023    checkpoint51j_post
1024    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1025    o adjusted some flow directives (dynamics, thermodynamics)
1026    o added cubed-sphere case to test cost function
1027    o heckpoint_lev?_directives.h now include
1028      pkg-specific directives, whenever those are enabled.
1029    o Moving pkg-specific flow directives to corresponding pkg
1030      Moving pkg-specific differentiation list to corresponding pkg
1031      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1032      ---> conventions are
1033           - pkg_ad.flow
1034           - pkg_ad_diff.list
1035           - pkg_ad_check_lev?_dir.h
1036    
1037    checkpoint51i_post
1038    o merge of the branch-genmake2
1039      - knowingly breaks the older genmake
1040      - automatic generation of all ALLOW_${PKG_NAME} defines
1041      - new testreport supersedes older testscript
1042    o large number of package inclusion and header cleanups
1043    checkpoint51i_pre
1044    
1045    o new output for adjoin of global ocean vector invariant
1046    o fix for checkpoint of thermodynamic seaice and bulk_force
1047    o Steph gchem various cleanups
1048    
1049    checkpoint 51h_pre
1050    o fixed some single quotes
1051    o modify gchem pkg to be more versatile
1052    o modifications to clean up dic pkg
1053    o add pkg/cfc
1054    
1055    checkpoint51g_post
1056    o provide links for ARPACK and ADM*TLM
1057    o start removing verification/vero/
1058    o update AD-related stuff
1059      (in particular some IF-statements in model/src/ routines)
1060    o adding to verification/global_ocean.90x40x15/ adjoint of
1061      vector invariant setup
1062    
1063    checkpoint51f_post
1064    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1065    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1066      of tracer Green's fucntions for ocean inversion project.
1067    
1068    checkpoint51f_pre
1069    o Added on-the-fly spatial interpolation capability
1070        "USE_EXF_INTERPOLATION" to pkg/exf.
1071      - This is a temporary Cartesian-grid hack until
1072        the super-duper ESMF coupler becomes available.
1073      - See verification/global_with_exf/README for usage example.
1074      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1075        flags and modified pkg/seaice accordingly.
1076    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1077        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1078        non-local transport term.
1079    
1080    checkpoint51e_post
1081    o pkg/mom_vecinv:
1082      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1083      - add time-ave diagnostic of vorticity advection.
1084    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1085    o atmospheric geopotential: - include water vapor effect;
1086                                - use p^kappa in p* scaling.
1087    o land pkg: read initial state from files.
1088    o AIM : add stratospheric drag in the upper level
1089    
1090    checkpoint51d_post
1091    o change function ILNBLNK (=> last non-blank char.) to return zero
1092      (instead of the string length) when the string. char is empty
1093    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1094    o modif's to restore TAMC compatibility
1095      - avoid "_d" constructs in PARAMETER declarations
1096      - avoid interrupting lines by comment lines
1097    o Use cluster local disks for purely local I/O
1098      vs. globally visible disks needed for ctrl stuff
1099      (merged from ecco-branch)
1100      - new active_file_loc... and mdsio_..._loc routines
1101      - affected packages: autodiff, ctrl, grdchk, mdsio
1102    
1103    checkpoint51c_post
1104    o introducing integer flag debugLevel
1105      - debLevZero: suppress all output
1106      - debLevA: standard
1107      - debLevB: equivalent to current debugMode=.TRUE.
1108    o introducing pathname variable mdsioLocalDir for mdsio
1109      that can be specified at runtime
1110      (relevant for cluster I/O to local disk)
1111    `
1112    >>>checkpoint51b_post
1113    adjoint of ptracers
1114    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1115    o extended state in checkpoint_lev?, etc.
1116    o alternative ctrl/cost with tr1 or ptracer
1117    o new comlev1_bibj_ptracers
1118    o new ptracers.flow
1119    o made ptracers_forcing same as external_forcing_s
1120    o added verification for adjoint with ptracers
1121      - adm. grdchk fail so far
1122      - tlm. grdchk OK
1123      - checked tapelev/comlev recomputations: OK
1124    <<<checkpoint51b_pre
1125    
1126    checkpoint51a_post
1127    o added code for biogeochemistry package
1128      - new pkgs: dic, gchem
1129      - new subroutine in ptracers
1130    o modify code for biogeo packages
1131      - in model/src and pkg/ptracers
1132    
1133    checkpoint51
1134    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1135      - autodiff, ctrl, exf, grdchk, seaice
1136      kept separate packages
1137      - cost, ecco, obcs
1138    o updating verification/internal_wave, verification/lab_sea
1139      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1140    
1141    checkpoint50i_post
1142    o Preparing next differentiable checkpoint and sync
1143      of MAIN vs. ecco-branch
1144      - 1st step: this one is differentiable
1145      - 2nd step: next(! not this) checkpoint will have updated packages
1146                  from ecco-branch)
1147    
1148    checkpoint50h_post
1149    o new package "land": provide surface BC for AIM.
1150    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1151    o AIM: use true log-P extrapolation for near surface temp (= as in
1152        F.Molteni paper) ; update aim.5l_cs output.
1153    o New variable in PARM03 for more flexible pickups
1154    o somewhat cleaned package initialisation sequence for
1155      ctrl/ cost/ ecco/ in packages_... routines
1156    
1157    checkpoint50g_post
1158    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1159      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1160      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1161        made the default because of faster convergence than ADI
1162    
1163    checkpoint50f_post
1164    o exf totally restructured
1165      - replaced all exf_set_ routines by one generic exf_set_gen.F
1166        and made sure it's still differentiable
1167      - split exf_getffields.F into new exf_bulkformulae.F
1168      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1169      - updated adjoint/makefile and relevant verif. accordingly
1170    
1171    checkpoint50f_pre
1172     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1173          + change Evap over land. (update aim.5l_cs output)
1174     o added missing .cvsignores and made uniform across expts
1175     o changed configuration of tidal_basin_2d expt
1176     o added pkg/debug functions for tracing code in fatal crashes
1177     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1178     o new fn in pkg/monitor to stop model if solution grows too big
1179     o removed lots of single quotes from comments
1180    
1181    checkpoint50e_post
1182    o make KPP work with PTRACERS
1183     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1184       nearly a copy of kpp_transport_s
1185     - there is no analogue to SurfaceTendencyS, so I have to use
1186       gPtr(of the surface layer) instead
1187    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1188    checkpoint50e_pre
1189    
1190    checkpoint50d_post
1191    o change kpp output from multiple-record state files to single-record state
1192      files analogous to write_state.F
1193    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1194      analogous to the cg2d-related output.
1195    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1196      so that writing to internal file fn (with length 512) fails.
1197    checkpoint50d_pre
1198    
1199    checkpoint50c_post
1200    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1201    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1202    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1203    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1204    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1205    
1206    checkpoint50c_pre
1207    Merging from release1_p13:
1208    o bug fix for pkg/seaice dynamic solver
1209    o Added SEAICE_initialHEFF to pkg/seaice
1210    
1211    checkpoint50b_post
1212    o store u*,v* in gU,V instead of in guNm1,gvNm1
1213    o in order to put the momForcing out of the Adams-Bashforth:
1214      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1215      to timestep.F
1216    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1217    o re-generate output for highly sensitive test-exp:
1218       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1219    
1220    checkpoint50b_pre
1221    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1222    o corrected CPP option mismatch in exf_Bulk... functions for case
1223      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1224    
1225    checkpoint50a_post
1226    o Bug fix for merging between c50 and KPP.
1227      ikey was passed from thermodynamics to kpp_calc via
1228      common block rather than being recomputed in kpp_calc,
1229      in contradiction with new key itdkey.
1230      New key ikppkey created, and tamc.h headers updated.
1231    
1232    checkpoint50
1233    - 2nd step of merge with ecco-branch:
1234      merge changes in ecco-branch back into main trunk
1235    - bug fix in find_alpha
1236    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1237    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1238    - merged some sliced AD support routines
1239    
1240    checkpoint49
1241    merged from ecco-branch:
1242    o exf:
1243      - Enable initialisation of forcing fields to constant
1244        (runtime) values.
1245      - in exf_getffields.F
1246        Reduce i-/j-loop to interior domain, discarding overlaps.
1247        That also fixes wrong TAF-key computations for key_1, key_2
1248        with bulf formulae.
1249      - exf_init.F modify #ifdef for exf_init_evap
1250      - exf_getffieldrec.F, ctrl_getrec.F
1251        The following INT-usages are not safe:
1252          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1253          fldcount = int(fldsecs/fldperiod) + 1
1254        and were modified.
1255    o autodiff: checkpoint_lev...
1256      - updated storing for bulk formulae (some arrays were missing)
1257      - added state for seaice package
1258      - synchronized with main branch
1259    o DIVA:
1260      Modif.s in
1261      - the_main_loop.F
1262      - the_model_main.F
1263      and added cost_final_restore.F cost_final_store.F
1264      o With these changes, it is possible to fully separate
1265        the first forward run to compute the cost function (mdthe_main_loop)
1266        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1267        into separate model executions.
1268        This enables better tuning of DIVA to given queue sizes.
1269      o Loss of cost function value in consecutive DIVA runs is
1270        fixed by storing to 'costfinal' file.
1271      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1272        beginning/end of adjoint integration is accounted for.
1273      The current changes apply to TAF-1.4.26.
1274      TAF has one remaining bug, requiring one manual change
1275      (see MITgcm manual).
1276    o cal: synchronized between MAIN and ecco-branch
1277    
1278    checkpoint48i_post
1279    o Changes to restore differentiability of code w.r.t. previous tag
1280      (mostly adding new routines to make list and replacing
1281      pressure by totPhiHyd).
1282    o Updated and merged grdchk package
1283      - has both ADM and TLM checks
1284      - works for single- and multi-proc.
1285      - output cleaned
1286      - worked successfully for parallel DIVA
1287    o genmake:
1288      - Adding -platform=SP4
1289      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1290    o Modif. for DIVA:
1291      ctrl_unpack should not be called in intermediate DIVA interval.
1292      (similar thing would apply for active files such as
1293      tbar, sbar, psbar, which should not be reinitialised;
1294      only relevant for ecco-branch)
1295    
1296    checkpoint48h_post
1297    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1298    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1299    o Added SEAICE_initialHEFF to pkg/seaice
1300    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1301    
1302    checkpoint48g_post
1303    --- EOS:
1304    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1305      store total Potential in totPhyHyd for diagnostics & EOS.
1306    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1307    --- Pressure/geopotential gradient:
1308    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1309    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1310      ( changes results of global_ocean_pressure )
1311    o NLFS + z-coord.: add eta*Rho' contribution.
1312    o accurate phiHyd when using interface-W at the middle between 2 centers
1313     ( changes results of ideal_2D_oce )
1314    o includes r* 2nd term in potential gradient.
1315    
1316    checkpoint48f_post
1317    Merging from release1_p12:
1318    o Modifications for using pkg/exf with pkg/seaice
1319      - improved description of the various forcing configurations
1320      - added basic radiation bulk formulae to pkg/exf
1321      - units/sign fix for evap computation in exf_getffields.F
1322      - updated verification/global_with_exf/results/output.txt
1323    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1324      (SBO) core products, including oceanic mass, center-of-mass,
1325      angular, and bottom pressure (see pkg/sbo/README.sbo).
1326    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1327      to avoid negative values in shallow regions.
1328      - updated verification/natl_box/results/output.txt
1329      - updated verification/lab_sea/results/output.txt
1330    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1331    o Added useSingleCpuIO option (see PARAMS.h).
1332    o Updated useSingleCpuIO option in mdsio_writefield.F to
1333      work with multi-field files, e.g., for single-file pickup.
1334    o pkg/seaice:
1335      - bug fix in growth.F: QNET for no shortwave case
1336      - added HeffFile for specifying initial sea-ice thickness
1337      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1338    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1339      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1340    o pkg/seaice:
1341      - adjoint-friendly modifications
1342      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1343    
1344    checkpoint48e_post
1345    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1346    o dynamics: change definition of computational domain & adapt mom_fluxform
1347      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1348    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1349        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1350        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1351        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1352        inverted_barometer solid-body.cs-32x32x1
1353      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1354    
1355    checkpoint48d_post
1356    o in preparation for r*:
1357     a) use pre-computed gradient of hydrostatic potential:
1358        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1359     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1360        => affects results of glob_oce_pressure (different truncation error)  
1361      update output.txt of ideal_2D_oce & global_ocean_pressure
1362    
1363    checkpoint48d_pre
1364    o in preparation for r*:
1365      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1366      pass the 2 comp. of the grad. as arguments to momentum S/R.
1367      but for the moment, only used if it does not change the results.
1368    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1369    
1370    checkpoint48c_post
1371    Modifications in treatment of initial flux forcing controls
1372    to avoid extra storing of flux fields.
1373    
1374    checkpoint48c_pre
1375    o Added tidal_basin_2d experiment (currently 1D!)
1376    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1377    
1378  checkpoint48b_post  checkpoint48b_post
1379  o r* coordinate added in #ifdef NONLIN_FRSURF block.  o r* coordinate added in #ifdef NONLIN_FRSURF block.
1380   (modification to pressure gradient not yet implemented)   (modification to pressure gradient not yet implemented)

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