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revision 1.167 by heimbach, Tue Jun 24 18:27:09 2003 UTC revision 1.470 by jmc, Wed Apr 6 17:36:42 2005 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint57f_pre
7    
8    o mnc-ifying the seaice package
9    o introduced an alternative length scale calculation for use in the limiting
10      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
11    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
12    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
13      as well as grad(vort3).  Made it compatible with both approximate form
14      for the cubed sphere and full form of these gradients.  Added flag
15      useFullLeith to select between approximate and full form.  
16    o add "d0" in getcon.F to reduce differences between compilers/platforms
17      update output.txt of exp. fizhi-gridalt-hs
18    o change port_rand funtion to allow to set the seed.
19    o fix obscure MNC bug involving conversion between reals and integers
20      - it caused no problems with certain (eg. gcc, ifc) compilers but the
21        new version is now more standards-compliant
22    o adjoint-related modifications
23      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
24      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
25      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
26    
27    checkpoint57e_post
28    o Adding eddy stress controls a la Ferreira et al.
29    checkpoint57e_pre
30    
31    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
32      update output.txt of exp. fizhi-gridalt-hs
33    o add more "Z" dimensions and associated coordinate vars to MNC
34    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
35    o parameter calendarDumps: when set, approximate months (30-31 days) and years
36      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
37      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
38      months and years.  Requires pkg/cal.
39    o diagnostics: add pickup functionality
40      - off by default for backwards compatibility
41      - current version only uses MDSIO -- MNC will be added
42    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
43    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
44    
45    checkpoint57d_post
46    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
47    o modify verification/ideal_2D_oce so that it tests the creation of mnc
48      output from the diagnostics package
49    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
50    o make genmake2 more portable by using ".$FS" instead of ".f" for more
51      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
52    o add coordinate variables to the MNC output from the diagnostics package
53    o change MNC-flags default value: true when useMNC=TRUE
54    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
55      the ability (off by default) to read the grid information using MNC
56    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
57    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
58    o do snap-shot diagnostics at the middle of the time-interval (instead of
59      at the end).
60    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
61      new test for AIM with thSIce + slab-ocean
62    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
63    o move state variable diagnostics to the beginning of the time step ;
64      (note: still needs some work specially for snap-shot diagnostics)
65      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
66    
67    checkpoint57c_post
68    o Change testing option (-ieee) to get closer agreement between g77 & ifort
69    o generate new output.txt files on faulks with g77 & the new -ieee option
70    checkpoint57c_pre
71    
72    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
73      update output.txt of exp. global_ocean.90x40x15
74    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
75      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
76    o add saltFlux(+File) forcing capability with periodicExternalForcing
77    o allow to use pkg diagnostics for GM-Redi & ThSIce output
78    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
79    o improvements for the MNC output from DIAGNOSTICS:
80      - correct handling of the unlimitied dimension
81      - all dims now have associated coordinate variables
82      - variables located at U, V, and Corner ("Z") points are now written
83        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
84        *all* data points are output
85    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
86    o added pkg/seaice/seaice_monitor.F
87    o mdsio_readfield.F can now read files visible only to master MPI process.
88    o pkg/seaice: some test code for ice-modified ocean stress
89    o exf_getffields interpolation defaults to bilinear for all scalar forcing
90      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
91      spurious negative numbers for precipitation and humidity.  Will cause
92      some small numerical differences for integrations using pkg/exf/exf_interp.F.
93    o pkg/ctrl/
94      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
95        May be enabled via doPackDiag
96      *  introduce z-scaling of
97         + gradient (doZscalePack) and
98         + control (doZscaleUnpack)
99    o pkg/mdsio/
100      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
101      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
102    
103    checkpoint57b_post
104    o simplify options in diagnostics_fill arguments (remove weird combinations)
105    o fix MNC coordinate variables so that they now contain per-face index
106      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
107      general, EXCH2 grids are only aligned to a "local" coordinate system
108    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
109    o Implement instantaneous output within pkg diagnostics:
110      setting a negative frequency in data.diagnostics produces
111     "snap-shot" output (as opposed to time-average if freq > 0)
112    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
113      NOTE: change ptracer diagnostics name: use 2 characters to work with
114            more than 9 tracers. Add also diagnostics of advect & diffus flux.
115    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
116      becomes the coordinate variable for the 'T' dimension
117    o add CF-style coordinate variables to MNC
118      - just a first cut:  numbers are meaningless on the cubesphere and
119        missing along the T axis but otherwise it works!
120    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
121    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
122    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
123      this is based directly on what the model compute, so that the content of
124      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
125    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
126    o clean up build options files for SunOS, in particular
127      - remove -traditional from xmakedepend
128      - change -xarch=v9 to -xarch=native for f77
129      - restore use of make (not gmake)
130      - add CC=gcc if using g77
131    o changes per discussion of AM, JMC, & EH3 today:
132      - move redundant "grid" variables out of "state" -- in preparation of
133        creating proper CF-style coordinate variables and in recognition
134        that any/all grid variables can be easily copied (eg. w/NCO) from
135        the grid files into any of the other NetCDF files
136      - *always* output grid variables with MDSIO (this will eventually be
137        changed)
138      - output MNC grid file if useMNC is true
139    o every instance of _END_MASTER() has been found and replaced with
140      _END_MASTER( myThid ) in order to satisfy certain picky Sun
141      preprocessors
142    o re-arrange diagnostics pkg initialisation:
143     - allow each package to extend the available diagnostics list
144     - add some checking and fix small problems (multi-threaded, ...)
145     - new S/R diagnostics_fill (replace fill_diagnostics):
146       look through the short list of active diag. (instead of the long list)
147       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
148    
149    checkpoint57a_post
150    o this set of changes restores TAMC compatibility
151      tested for global_ocean.90x40x15 adjoint on trough
152      (what a pain)
153    
154    checkpoint57a_pre
155    o some modifs in tools/build_options for sunos
156    o call ctrl_pack for ctrl at end for optimcycle=0
157    
158    checkpoint57
159    o add horizontal bi-harmonic viscosity for vertical velocity
160      - new parameter viscA4W (defaults to viscA4)
161      - affects only non-hydrostatic code
162      - to be done: no-slip lateral boundary conditions
163    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
164    o implement Implicit Vertical advection for pTracers
165    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
166      (implemented also for implicit vertical diffusion & advection)
167    o OBCS: extend application of tracer open boundary conditions
168      to a strip beyond the boundary of width Olx/Oly
169    o add call monitor to TAF set of required calls (flow directives)
170      and include in natl_box_adjoint
171    o untangle a few ifdefs related to cost, ctrl, autodiff
172      untangel a few ALLOW_ECCO_OPTIMIZATION
173    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
174      (theta2, salt2 in ecco_cost_weights)
175    
176    checkpoint56c_post
177    o OBCS as control variables
178      - update ctrl_ad_diff.list, obcs_ad_diff.list
179      - remove balance of obcs controls from default
180      - fix index bug nobcs in ctrl_init
181      - fix dummy fields filen in ctrl_pack
182      - add dummy weights for obcs
183    o lsopt: comment out fort.94 output
184    o optim:
185      - remove unnecessary header files
186      - adjusted namelists
187      - add xerbla.F to Makefile
188    o exf:
189      - multiple modifications of exf_check_range
190      - unit change in exf_init_runoff from [m/year] to [m/s]
191    o mdsio:
192      - i/o-vector change debugLevel from debLevA to debLevB
193    
194    checkpoint56b_post
195    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
196      is called from DO_THE_MODEL_IO
197      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
198      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
199      - clean up PTRACERS_WRITE_TIMEAVE a little
200    o add another verification experiment that tests both the cfc-pkg and
201      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
202      reactive tendencies treated inline with regular timestepping
203    o testreport previously did a lousy job of comparing small numbers, so
204      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
205      implemented in the little c-progam tmp_cmpnum.c which is embedded in
206      testreport.
207    o ptracers_monitor: bug fix for MPI
208    
209    checkpoint56a_post
210    o GCHEM: finish reorganizating the package
211      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
212        (introduces another 3D-array for each passive tracer, but only if
213        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
214        gchemTendency is not needed because the timestep is done separately)
215      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
216      - GCHEM is now---more or less cleanly---separate from PTRACERS
217      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
218        so clear to me how that should be done in a general way.
219    o CFC: improve formatting of output in CFC_ATMOS
220    o PTRACERS:
221      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
222        that ALL experiments with ptracers enable can be checked. This makes
223        GCHEM_MONITOR obsolete.
224      - include a runtime parameter PTRACERS_monitorFreq that defaults to
225        monitorFreq
226      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
227    o add PTRACERS (PTR0[1-5]) to testreport output
228    o exf_check_range:
229      * default changed to .TRUE.
230      * will check values for niter0 if debLevA, every timestep if debLevB
231      * STOP in exf_check_range if 'out of range'
232      * range chosen generous to allow for potential extema
233      TBD: a version with stricter range
234           permitted range would be runtime parameters
235    o GMredi:
236      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
237      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
238      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
239    o GCHEM:
240      - move call to GCHEM_FORCING_SEP, so that it is now called before
241        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
242      - introduced a useGCHEM runtime flag and applied it everywhere.
243      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
244        this flag is now only visible within GCHEM-pkg routines.
245      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
246        be replaced by a 3D array that is computed before thermodynamics; for
247        this, the tracer ID iTracer had to be included into the parameter list
248        of ptracers_forcing
249      - set up forward_step to call gchem_forcing, that will replace
250        gchem_forcing_int in ptracers_forcing
251      - cleaning up
252    o small cleaning of exch2: remove files that are also in eesupp/src
253    
254    checkpoint56
255    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
256    o mnc: cleanup "full" files--fixes out-of-memory problem
257    o ECCO-GODAE
258      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
259      * fully merged and updated from SIO code
260        windstress sign change affects
261        - exf_inscal_[u/v]stress
262        - sign of xx_tau[u/v] adjustments
263        - signs in cost_scat
264      * ctrl_get_gen: avoid update of tau[u/v] for first few days
265      * natl_box_adjoint updated and compressed
266      * 2-level checkpoint switch added
267        (tested in EXP. 1 of natl_box_adjoint)
268      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
269    o SVD
270      * first complete, non-hacked version for SVD calculations
271      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
272        performed via direct access files admtlm_vector.it????
273        (via ctrl_[un]pack)
274      * optimcycle is used for ARPACK iteration counter
275        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
276      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
277        and add linear transforms where necessary
278      * controls are initial/final SST, SSS (can be extended; need to check
279        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
280    o mdsio: filename info to both stderr, stdout
281    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
282      from sign change
283    
284    checkpoint55j_post
285    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
286      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
287    o add consistent build directories and .cvsignore files to verification
288    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
289    o make all subroutines 30 or less characters in length for certain older
290      compilers to work (a thorough search only turns up two routines in
291      pkg/ptracers)
292    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
293      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
294    
295    checkpoint55i_post
296    o change arrays for total vertical diffusivity (2.D if explicit,
297      3.D if implicit) ; each ptracer uses its own background value.
298    o added mnc/NetCDF output capability to ocn_compon_interf
299      - added bits to verification/cpl_aim+ocn so that it can run on
300        ITRDA and other clusters without the mpirun "-wd" option
301    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
302      configuration
303    o give MNC the ability to create additional files rather than
304      exceeding a specified file size limit "MNC_MAX_FILESIZE"
305      - the default is just less than 2GB which is a practical limit
306        on many systems
307    o Compute the non-local term using either KPP vertical diffusivity (=default)
308       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
309    
310    checkpoint55h_post
311    o add verification test "vermix"
312    o remove all the *_ioinc flags and replace with the single global
313      outputTypesInclusive flag
314    o allow to set a vertical profile of vertical diffusivity for T & S
315    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
316    o useMNC moved from data.mnc to data.pkg
317    
318    checkpoint55g_post
319    o Renaming carbon AD experiments to comply with testreport conventions
320    o Updating adjoint of Held-Suarez hs94.1x64x5
321    o Fixing directives for non-ECCO forward_step, after ECCO directives
322      have been fixed to avoid recomp. of do_oceanic_phys
323      Works well for global_ocean.90x40x15,
324      but recomp. issue remains for carbon
325    o Updating adjoint output for natl_box_adjoint after
326      pkg/ecco has been modified (see taga c55d_post)
327    
328    checkpoint55f_post
329    o rename to timeave_init_fixed
330    
331    checkpoint55e_post
332    o some delicate re-shuffle of store directives to avoid one
333      extra call of do_oceanic_physics
334      affects ecco_the_main_loop.F, do_oceanic_physics.F
335      checkpoint_lev1_directives.h
336    o NB: this may break global_ocean adjoint temporarily,
337      but it is clear how to fix it. Will do later, need this now.
338    
339    checkpoint55d_post
340    o ECCO specific cost function terms (up-to-date with 1x1 runs)
341    o ecco_cost_weights is modified to 1x1 runs
342    o modifs to allow observations to be read in as
343      single file or yearly files
344    o enable to read exf forcing fields as either
345      single file or yearly files (flag useExfYearlyFields)
346    checkpoint55d_pre
347    
348    o switch between 2-level and 3-level checkpointing
349    o add ability of MNC to write local and "partial" (eg. 2D slices where
350      the full 3D field is never actually stored) arrays to NetCDF files
351      with the correct (that is, the complete multi-dimensional) set of
352      array indicies
353      - used in mom_vecinv() to write the diagFreq output
354      - tested (demonstrated) in verification/aim.5l_cs
355    o further mnc-ification
356      - add verification/lab_sea to the list with mnc setups
357      - fix undefined mnc v-names in cd_code
358      - add kpp to mnc output (both snapshot and timeave)
359    o non-hydrostatic code
360      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
361        in calc_gw.F
362      - defaults to viscAh
363      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
364        friction or Leith) in non-hydrostatic mode, as long as there is
365        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
366    o pkg/cost
367      extend simple cost functions to treat time mean quantities
368      (T,U,V) via cost_accumulate_state from cost_tile
369    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
370        be 2 times larger than the minimum size the advection scheme requires.
371        now get a perfect conservation of salt in advect_cs test-exp (updated)
372    o GGL90 (Gaspar's TKE mixed layer)
373      - add horizontal diffusion of TKE, requires exchanges in
374        do_fields_blocking_exchanges, horizontal diffusivity is zero by
375        default. In OPA there is no horizontal diffusion of TKE but the
376        mixing coefficients are computed from a horizontal average of TKE of
377        6 points or so. I think that diffusion has a little more physical
378        justification.
379      - clean up ggl90_calc in the hope of reducing memory usage (this hope
380        was in vain)
381      - mask tke-variable in ggl90_init
382    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
383    o fix biharmonic diffusion on CS-grid.
384    o more obcs stuff
385      - added obcs_external_fields_load as an alternative to the EXF-pkg option
386        for reading boundary values. This routine is called from
387        obcs_prescribe_read
388      - updated obcs_check
389      - changed sponge layer relaxation parameter units for days to seconds
390      - turned off sponge layer by default
391      - changed argument list of OBCS_CALC to myTime+deltaTclock
392      - fixed about 35 bugs in obcs_external_fields_load
393    
394    checkpoint55c_post
395    o obcs stuff
396      - new runtime flags useOBCSprescribe, useOBCSbalance
397      - re-arranged obcs_calc
398      - moved exf_getobcs to obcs_prescibe_read
399        obcs_prescibe_read is called after ORLANSKI stuff
400        and independent of it (executable can contain all).
401      - updated obcs_check
402      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
403        These may be necessary only if tangential velocities are
404        prescribed at OB, not sure, needs testing.
405    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
406      which simplifies the calls and passes the ifc check-bounds test
407    
408    checkpoint55b_post
409    o add a 2D scalar, Z location, exchange_2 routine.
410    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
411      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
412      affects advect_cs results (for the wrong reason): update output.txt
413    o use a more standard discretization for biharmonic viscosity ;
414     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
415      affects results of dome set-up: update output.txt
416    o fix gad_advection.F (CubedSphere part), back to version 1.23
417    o fix bug in mom_vi_del2uv.F (CubedSphere part).
418    
419    checkpoint55a_post
420    o merged code to
421      * prescribe/read time-dependent open boundaries
422        (works in conjunction with exf, cal)
423      * sponge layer code for open boundaries
424      * each boundary N/S/E/W now has its own CPP option
425        (healthy for the adjoint)
426    
427    checkpoint55
428    o up-to-date adjoint of previous breaks
429      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
430      - global_ocean_ebm: adjoint still needs fix (TLM ok)
431      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
432      - carbon: * remove tr1-related adjoint verification
433                * add ptracer as control variable
434    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
435      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
436    
437    checkpoint54f_post
438    o in verification/carbin/ remove experiment related to
439      ALLOW_PASSIVE_TRACER (array tr1 etc)
440      code_ad/ input_ad/ results_ad
441    
442    o add two new packages
443      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
444        + subject to optimization (memory)
445      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
446        + subject to reordering (many GOTOs in the original code)
447        + so far opps is called for every (i,j) point, and then operates in
448          the vertical; one may want to reorder the scheme in order operate in
449          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
450          fields)
451    o overhaul of IO so that we now have flags for MDSIO and/or MNC
452      - all verification tests compile and run with linux_ia32_g77
453      - defaults are compatible with current input files--nothing
454        should change if you were not previously using MNC
455      - MNC output has been added in numerous places (eg. timeave)
456        but there are still a few writes not yet do-able with MNC
457        (this is in progress)
458      - flags now allow for either/or/both use of MDSIO and MNC and
459        documentation will soon follow
460      - numerous small formatting cleanups for ProTeX
461    o add version info (via BUILD_INFO.h) to MNC and stdout
462    
463    checkpoint54e_post
464    o add two new packages
465      - pp81 (Packanowski and Philander, 1981), Richardson number and
466        stratification dependent mixing
467      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
468      - these scheme operate in a similar manner as KPP (without ghat, of
469        course), however there is only one diffusivity that is used for both
470        temperature and salinity (and passive tracers)ç
471    o add offline package
472    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
473      provided by Stephanie Dutkiewicz
474    o genmake2: add ability to search for C compilers and cleanup test output
475      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
476    
477    checkpoint54d_post
478    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
479    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
480      leading to additional shift by 5 days each year of integration
481       (i.e. leading to considerable offset over the years)
482    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
483    o start with no AB and no initial filtering (staggerTimeStep):
484      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
485    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
486      (external loading & cpl import/export stay in forward_step.F)
487    o update coupling interface to work with new staggerTimeStep
488    o change MDSIO ptracers_pickup.
489    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
490    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
491    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
492    
493    checkpoint54c_post
494    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
495      this affects (truncation error) output.txt of test-exp:
496       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
497    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
498    o change Qnet to always be the net heat flux, (+upward).
499      affects (truncation error) output of natl_box exp.: updated
500    o define the max number of passive tracers in PTRACERS_SIZE.h
501    o start to test mnc routinely in exp0
502    o add sea-ice loading (sIceLoad) as a new forcing field.
503    
504    checkpoint54b_post
505    o add testreport "-j JOBS" option for parallel builds (tested and pretty
506       impressive on Altix and Opteron systems)
507    o diagnostics can now write NetCDF files through the mnc package
508    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
509    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
510    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
511      affects (truncation error) output of lab_sea & natl_box exp.: updated
512    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
513    
514    checkpoint54a_post
515    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
516    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
517    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
518    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
519      + internal_wave (shift in writing cg2d_ini_res)
520    checkpoint54a_pre
521    
522    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
523      - modified verification/lab_sea and natl_box_adjoint accordingly
524    
525    checkpoint54
526    checkpoint53g_post
527    o prepare splitting of thermodynamics: store convect.counter in common block
528    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
529      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
530    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
531    o new parameter "nShapS": allow to treat differently S from T (nShapT)
532    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
533    o restore adjointability
534    
535    checkpoint53f_post
536    o modifications that affect AIM experiment results (update output.txt):
537      - no advection of S at top interface Nr (pkg/generic_advdiff)
538      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
539    o AIM pkg:
540      - include stability function into surf.Flux derivative relative to Tsurf
541      - calculate clear-sky radiation & surface temp. change (for diagnostics)
542    
543    checkpoint53e_post
544    o merged cylindrical coord configuration
545    o added rotating_tank experiment
546    checkpoint53e_pre
547    
548    checkpoint53d_post
549    o faulks upgraded: re-generate output.txt that have changed:
550       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
551    o Added Bryan and Lewis, 1979, vertical diffusivity profile
552    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
553    o added Sadourny discretization of Coriolis
554      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
555      - re-enabled use of omega3 (useAbsVorticity)
556    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
557      vector-invariant equations
558      - note: does *NOT* yet use same variable visc. for no-slip BC's.
559    o recoded the lateral boundary conditions for non-hydrostatic w, this time
560      hopefully without new bugs
561      - still to do: biharmonic friction for non-hydrostatic w
562    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
563    o regenerated output for global_ocean_ebm (using -ieee)
564    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
565      of mom_common/
566      - simple re-arrangement of instructions within computing loop
567    checkpoint53d_pre
568    
569    checkpoint53c_post
570    o new version of coupler for AIM+thSIce and Ocean models
571     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
572     - land: change Evaporation of snow
573     - aim with thSIce: fix bug in snow-precip.
574    o changes to calc_gw.F
575     - bug fix for w^2 term near the bottom boundary
576     - (hopefully) improve the lateral slip boundary condtions for use with
577        partial/looped cells
578      - because the bug fix changes two verification experiments anyway (exp5
579        and plume on slope), change the lateral boundary condition from half slip
580        to the value of no_slip_sides
581    o ebm package wasnt quite up to the parallel task. Fixed that.
582    o Adjoint of EBM package + verification
583      * TLM OK
584      * ADM not sufficient accuracy yet (needs further testing)
585    
586    checkpoint53b_post
587    o Commiting new energy balance model to repository
588      * package is pkg/ebm
589      * verif. is verification/global_ocean_ebm
590      * references are in ebm_driver.F
591    C      * X. Wang, P. Stone and J. Marotzke, 1999:
592    C        Global thermohaline circulation. Part I:
593    C        Sensitivity to atmospheric moisture transport.
594    C        J. Climate 12(1), 71-82
595    C      * X. Wang, P. Stone and J. Marotzke, 1999:
596    C        Global thermohaline circulation. Part II:
597    C        Sensitivity with interactive transport.
598    C        J. Climate 12(1), 83-91
599    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
600    C        Destabilization of the thermohaline circulation
601    C        by atmospheric eddy transports.
602    C        J. Climate 7(12), 1870-1882
603    o Will need long integration testing.
604    checkpoint53b_pre
605    
606    o created pkg/mom_common in preparation for variable viscosity code
607    o renamed and split ini_mnc_io
608    o pkg/land: only liquid water can diffuse or run-off
609    o AIM using land: soil wetness availability account for snow
610    o added printMapIncludesZeros to EEPARMS namelist
611    
612    checkpoint53a_post
613    o restore TAMC compatiility for exf_constants.h
614      (no usage of _d in .h)
615    o Additional storing in KPP in an attempt to fix
616      TAMC problem with adjoint of KPP code.
617      (no success...)
618      Identical code works fine with TAF.
619    o Fixed verification/natl_box_adjoint experiments.
620      Initial conditions for Experiments 4 and 5 are now
621      set to "SEAICE_initialHEFF=0", which is more reasonable,
622      and hence gives results closer to that of Experiment 2.
623      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
624    
625    checkpoint53
626    o stable checkpoint with up to date adjoint
627      TLM tests only run for 1st grdchk at the moment. Its unclear if
628      this is a code problem or a problem with resetting code for g_
629      variables that is being autogenerated wrong.
630      Otherwise:
631       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
632       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
633         are both still in chaos following their security messes.
634    
635    checkpoint52n_post
636    o various build (mostly genmake2) changes including:
637      - ability to build/run more easily within Cygwin and MacOS X
638      - more complicated Makefiles with a stronger dependence on Gnu Make
639    o pkg/seaice modifications
640      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
641        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
642        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
643      - changed proxy for geostrophic velocity and updated
644        verification/lab_sea/results/* accordingly
645      - removed ADI dynamic solver from pkg/seaice
646      - replaced all occurrences of 1/CSTICE or 1/CSUICE
647        they caused a segmentation fault under certain circumstances
648      - removed unused field WATR
649    o bug fix in exf-package:
650      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
651         now reflect that.
652    o small fixes in the cal-package:
653      - set reference date to first of January for the 'model'-calendar
654      - failing of cal_CheckDate in cal_FullDate now actually results in a
655        warning
656    o small modifications in exf-package to increase flexibility:
657      - change climtempfreeze from a constant to a runtime parameter that
658        is specified in data.exf_clim (default = -1.9)
659      - introduce runtime parameter windstressmax (default = 2.0) that is
660        specified in data.exf
661    o fix in pkg/thsice:
662      - update Evap (Tsf changes) to be consistent with Latent heat flux
663      - maintain snow precipitation unchanged (even if Tsf >=0).
664     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
665    
666    checkpoint52m_post
667    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
668      this does not change any of the results, because myIter=0 in swfrac always
669      lead to jwtype=2 (the default anyway), but the call makes little sense
670      as a default
671    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
672    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
673      atmospheric model (AIM) to use it ; add a "slab ocean" component.
674    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
675    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
676    o extending useSingleCpuIO option to work with new exch2 I/O format
677      - old-style, missing-tile I/O is still accessible by defining CPP
678        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
679    o monitor package can write to NetCDF files and/or STDOUT
680    o fix re-definition bug in MNC_GRID_INIT_ALL()
681    o doc/api_reference added
682      - a framework for building an API Reference Manual using all
683        the "protex" comments embedded in the code
684      - see pkg/generic_advdiff, pkg/mnc for examples
685    o MNC:
686      - make myThid the last argument for all subroutines
687      - new default for the grid files: NO halos
688      - add useMNC and other run-time flags
689      - separate per-file-group handling of the unlimited dimension
690      - early initialization of MNC w/ flags read at the eeboot stage
691        and lookup tables set in initialize_fixed
692      - write all MNC output to a freshly-created directory
693    o thermodynamics sea-ice (thsice) is now tested with testreport.
694    o test exp. advect_cs: use the standard cs32 grid ; update output.
695    o Added functionality to grdchk:
696      pick global i,j,k position (or nearest wet) where to perform check.
697    
698    checkpoint52l_post
699    o new land formulation:
700      a) use ground enthalpy as prognostic variable to ensure exact
701         energy conservation.
702      b) account for water temperature and for latent heat of freezing
703         in all processes (rain, run-off, ground storage)
704      c) compute surface and ground temperature implicitly.
705    o aim_v23 modification for new land model:
706      a) Treat separately land / ocean / sea-ice surface fluxes
707         to allow implicit computation of land & sea-ice surface temp.
708      b) add snow precipitation.
709    checkpoint52l_pre
710    
711    o fix problem (when 1 tile is empty) in min/max monitor.
712    o fix bug in timeAve (u,vZetatave in common block)
713    o no restoring terms under ice for pkg/seaice
714    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
715    o bug fix for pkg/seaice pickups
716    o change MNC call locations and add coordinate attributes
717    o mask vorticity at the corner ; affects global_ocean.cs output
718    o fix ini_curvilinear_grid ; test CS experiments with mpi
719    o aim.5l_cs: modify sea-ice fraction input file ; update output
720    o exf: Adding simple range check routine for exf fields after read
721    
722    checkpoint52k_post
723    o removed top-level directory "diags"
724      - we migrated these functions to pkg/timeave a long time ago
725    o fixed bug introduced in pkg/monitor
726    o accuracy ctrlprec = 32 insuffient for gradient checks using
727      averaged fields (I/O via cost_averages)
728      -> use ctrl.h in active_file*.F to control I/O precision.
729    o paramter list of CALL ADTHE_MAIN_LOOP
730    o added initial do_the_model_io to ecco
731    o set all ...Freq to zero after cost_final
732      taveFreq, dumpFreq, pChkptFreq
733    o MAIN and ECCO differentiability restored
734    
735    checkpoint52j_post
736    o fix nchklev in tamc.h for global_ocean...
737    o Bringing flow and store directives up-to-date
738    o Really weird thing!
739      call do_the_model_io from the_main_loop with parameters
740      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
741      TAF places a faulty re-call of initialise_varia
742      after cost_final call which should not be there!
743    checkpoint52j_pre
744    
745    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
746      error messages
747    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
748    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
749      debug output
750    o modfied mdsio_writefield.F to handle non-global files under exch2
751    o update AIM Cubed-Sphere exp (aim.5l_cs):
752      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
753    o update AIM Equatorial Channel exp:
754      use standard aim_v23 pkg and change the SST fields to be more realistic.
755    o globalFile now works with exch2
756    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
757      mon_vort3.F to make exch2 friendly with >1 tile per cube face
758    o limit timeave output for hi-res integrations
759    
760    checkpoint52i_post
761    o removed CPP_EEOPTIONS.h from verification/*/code
762    o updated the tiling for global_ocean_pressure
763    checkpoint52i_pre
764    
765    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
766      the old pkg/aim).
767    
768    checkpoint52h_pre
769    o shortened offending lines in exch2_send_rx?.template
770    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
771    o genmake2: add build & execute test for NetCDF code
772    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
773      old grid files, moved CPP_EEMACROS.h to pkg/exch2
774    o added useSingleCPUIO flag to monitor.F and mon_out.F
775    o added temporary hack for sea-ice dynamics on the cube:
776      metric terms are ignored and it is assumed that
777      there is no sea-ice on cube faces 1, 2, 4, and 5.
778    
779    checkpoint52f_post
780    o added exch2 cube routines to pkg/exch2
781    o modified hs94.cs-32x32x5 to use it
782    o added new grid files to hs94.cs-32x32x5
783    checkpoint52f_pre
784    
785    checkpoint52e_post
786    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
787      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
788    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
789      to work with implicit vertical advection and AB ;
790    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
791    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
792     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
793    checkpoint52e_pre
794    
795    o fix bug in impldiff when Nr=1 or Nr=2.
796    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
797    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
798    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
799      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
800    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
801    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
802    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
803    
804    checkpoint52d_post
805    o re-tiled many expts to allow comparison in multi-processor mode
806      - updated output accordingly
807      - changed hs94.128x64x5 to use intial T from file rather than use the
808        random number generator
809    o add infrastructure in model routines for fizhi and gridalt packages
810    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
811    o changes to permit hi-res, cubed-sphere, configuration
812      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
813      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
814      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
815        of surface winds for the cube
816      (A verification experiment, based on global_ocean.cs32x15, but with
817       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
818       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
819       complete with example surface forcing files and matlab scripts to look
820       at the output and compare it with that of global_ocean.cs32x15.)
821    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
822       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
823       to conform to the common rule.
824    o check-in the first version of the coupler + interfaces for multi-components
825       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
826       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
827       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
828       - ocean and atmos. share the same horizontal grid (no interpolation).
829       - exchanges between component and coupler is done in forward_step
830    o new verification experiment, cpl_aim+ocn:
831       coupled ocean - AIM atmosphere on cs32 grid.
832    
833    checkpoint52d_pre
834    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
835    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
836    
837    checkpoint52c_post
838    o Fixing OPTIONS files for use of exf:
839      - ALLOW_ECCO not needed
840      - ECCO_CPPOPTIONS.h should not be included from
841        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
842        as has been the case in the past
843      - All cal/exf related options are currently set in
844        single header file. Should remain so until we
845        agree on a consistent new policy.
846    o Removed all CPP options for cal package.
847      cal has no more CPP options.
848    o modified STOREs in GAD_ADVECTION
849    o corrected key comp. for passkey
850    
851    checkpoint52b_post
852    o new version: "thsice" of thermodynamic sea-ice pkg:
853     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
854     - modify fluxes but do not change theta directly;
855     - light cleaning of bulk_force pkg (still needed with thsice).
856     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
857       + output_thsice.txt to test thsice & bulk_force pkgs.
858    o put back grid & coriolis monitor output.
859    checkpoint52b_pre
860    
861    o call "do_the_model_io" at the beginning (=> dump initial state)
862    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
863    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
864      (need info on NUMBER_OF_PTRACERS)
865    o missing PTRACERS headers in some routines
866    o default tamc.h in pkg/autodiff supposed to crash
867      to ensure proper customization
868    
869    checkpoint52a_post
870    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
871      - moved surfaceTendencyTice from pkg/seaice to main code
872      - subroutine FREEZE_SURFACE now limits only surface temperature
873        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
874        => new output.txt for global_ocean.cs32x15 & global_with_exf
875      - keep the old version of FREEZE for backward compatibility;
876        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
877      - corresponding modifs for TAF directives
878    o added surface flux output variables to TIMEAVE_STATVARS
879    o time-averaged output for pkg/ptracers
880    o fix problem with ECCO-related divided adjoint
881      snapshot file was missing some ad-variables,
882      but no warning issued by TAF
883    
884    checkpoint52a_pre
885    o some bug fixes for #undef REAL4_IS_SLOW
886    
887    checkpoint52 = ecco_c52_e35
888    o after testing adjoints of checkpoint51u_post
889    
890    checkpoint51u_post
891    o this is the post-merge tag of the ecco-branch
892      (needs another clean checkout and re-testing)
893    o various natl_box_adjoint configs and results
894      but no input fields
895    o obcs adjoint not yet merged!
896    o adding ECCO global 1x1 and 2x2 degree configs
897    o updated/extended some store directives for seaice
898    o pkg/ecco now containes ecco-specific part of cost function
899    o top level routines the_main_loop, forward_step
900      supersede those in model/src/
901      previous input data.cost now in data.ecco
902      (new namelist ecco_cost_nml)
903    o in ctrl/ cleaned some cross-dependencies and updated CPP options
904    
905    checkpoint51t_post
906    o this is the pre-merge tag of the ecco-branch
907    
908    checkpoint51s_post
909    o cleanup: removed various obsolete #define-s
910    o pkg/grdchk
911      - renamed 'ph-grd 3' to 'grad-res'
912      - merged from ecco-branch
913        (remaining bug fixes for obcs gradient checks)
914      - additional high-precision output for testreport
915        (grep for 'precision_grdchk_result')
916    
917    checkpoint51r_post
918    o cleaned up or removed CPP_OPTIONS.h files
919    o updated results for some of the tests to reflect the new
920      optfiles (-ieee: -O0 instead of -O3)
921    
922    checkpoint51q_post
923    o cd_code:
924      - moved cd_scheme.F -> cd_code_scheme.F
925      - separate read_checkpoint from cd_code_ini_vars.F
926      - separated cd_code part from write_checkpoint
927      - updated AD_SOURCE, generated .flow
928      - added CD_CODE_VARS.h to the_main_loop
929      - Moving cd_code specific store dir.s to pkg/cd_code
930    o ctrl package totally restructured
931      - pack/unpack now optional and decoupled from
932        xx_/adxx_ I/O
933      - ctrl_pack/unpack cleaned
934        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
935      - confined inclusion of AD_CONFIG.h to where necessary.
936    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
937    
938    checkpoint51p_post
939    o create initial cd_code package
940      - WARNING: the initialization of fields within packages
941        is broken because INI_FIELDS (where READ_CHECKPOINT is
942        called) is called *before* PACKAGES_INIT_VARIABLES.
943        This seems to be backwards since
944        1) its important to initially zero the entire field including
945           the "halo" region
946        2) zeroing needs to be done *before* reading pickup info
947           and the pickup call might or might not happen in any
948           particular run
949      - this needs an overhaul for R2
950    o cleanup verification/*/code/GMREDI_OPTIONS.h
951    o cleanup testreport
952    
953    checkpoint51o_post
954    o bringing AD-related verif's up to date with genmake2
955      - carbon/
956      - global_ocean.90x40x15/
957      - hs.94.1x64x5/
958      - (front_relax/ )
959    o (more) consistent directory structure for AD-related verif.'s
960    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
961    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
962    o bug fix in find_alpha.F for MDJWF:
963      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
964        change rho -> rho-rhoConst
965      - replace call find_rho to find_rhonum
966    o initialisation of rFlx extended to full array (required by TAF)
967      and shifted to thermodynamics
968    o removed PTRACERS.h in ptracers routine
969    o added surfacetendencyPtr to S/R parameter list pracers_forcing
970    o Correcting initialisations for fVerU, fVerV.
971    o helping TAF to recognize dependency on kUp for
972      fVerU, fVerV
973    o Replacing delZ by delR in pkg/ctrl/
974    checkpoint51o_pre
975    
976    o undid all of cp51 pending some cleanups and discussion
977    o added the [#include "AD_CONFIG.h"] statement to all files that need
978       it for adjoint/tl #defines
979     o re-worked the build logic in genmake2 to support AD_CONFIG.h
980     o removed tools/genmake since it no longer works
981    
982    checkpoint51n_post
983    o modifications to make FREEZE flux visible to pkg/kpp
984      - moved surfaceTendencyTice from pkg/seaice to main code
985      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
986      - subroutine FREEZE now limits only surface temperature
987        (this means new output.txt for global_ocean.90x40x15,
988         global_ocean.cs32x15, and global_with_exf)
989    o added surface flux output variables to TIMEAVE_STATVARS
990    
991    checkpoint51n_pre
992    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
993    o added [#include "AD_CONFIG.h"] to all files that use the following
994      defines:
995      - ALLOW_ADJOINT_RUN
996      - ALLOW_TANGENTLINEAR_RUN
997      - ALLOW_ECCO_OPTIMIZATION
998    
999    checkpoint51m_post
1000    o incorporating changes to get TAMC/TAF working in genmake2
1001      - added new TAMC/TAF targets to the Makefile
1002      - various cleanups related to package handling
1003      - these changes should have no impact on the forward model
1004    
1005    checkpoint51l_post
1006    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1007     - faster algorithm for cal_addtime.F
1008     - higher precision arithmetic, where needed
1009     - pkg/exf *startdate variables changed from calendar date to
1010       model integration time
1011    
1012    checkpoint51l_pre
1013    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1014    o enable to apply restoring on S & T only in a latitude band.
1015    o update output (external_forcing_surf modif. change truncation errors)
1016       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1017    
1018    checkpoint51k_post
1019    o change default to: useNHMTerms=.FALSE.
1020     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1021       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1022     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1023        exp1, ideal_2D_oce
1024     - change data file of oceanic exp (leave the results unchanged for now)
1025       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1026    o set gravitySign automatically according to the vertical coordinate used
1027      (and change sign: back to "logical" value: +1 when R increases downward)
1028    o added an include barrier to the default CPP_OPTIONS.h and
1029      removed the #include "PACKAGES_CONFIG.h" from it
1030    o fix a bug in mom_fluxform (from chk51j_post)
1031    
1032    checkpoint51j_post
1033    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1034    o adjusted some flow directives (dynamics, thermodynamics)
1035    o added cubed-sphere case to test cost function
1036    o heckpoint_lev?_directives.h now include
1037      pkg-specific directives, whenever those are enabled.
1038    o Moving pkg-specific flow directives to corresponding pkg
1039      Moving pkg-specific differentiation list to corresponding pkg
1040      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1041      ---> conventions are
1042           - pkg_ad.flow
1043           - pkg_ad_diff.list
1044           - pkg_ad_check_lev?_dir.h
1045    
1046    checkpoint51i_post
1047    o merge of the branch-genmake2
1048      - knowingly breaks the older genmake
1049      - automatic generation of all ALLOW_${PKG_NAME} defines
1050      - new testreport supersedes older testscript
1051    o large number of package inclusion and header cleanups
1052    checkpoint51i_pre
1053    
1054    o new output for adjoin of global ocean vector invariant
1055    o fix for checkpoint of thermodynamic seaice and bulk_force
1056    o Steph gchem various cleanups
1057    
1058    checkpoint 51h_pre
1059    o fixed some single quotes
1060    o modify gchem pkg to be more versatile
1061    o modifications to clean up dic pkg
1062    o add pkg/cfc
1063    
1064    checkpoint51g_post
1065    o provide links for ARPACK and ADM*TLM
1066    o start removing verification/vero/
1067    o update AD-related stuff
1068      (in particular some IF-statements in model/src/ routines)
1069    o adding to verification/global_ocean.90x40x15/ adjoint of
1070      vector invariant setup
1071    
1072    checkpoint51f_post
1073    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1074    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1075      of tracer Green's fucntions for ocean inversion project.
1076    
1077    checkpoint51f_pre
1078    o Added on-the-fly spatial interpolation capability
1079        "USE_EXF_INTERPOLATION" to pkg/exf.
1080      - This is a temporary Cartesian-grid hack until
1081        the super-duper ESMF coupler becomes available.
1082      - See verification/global_with_exf/README for usage example.
1083      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1084        flags and modified pkg/seaice accordingly.
1085    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1086        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1087        non-local transport term.
1088    
1089    checkpoint51e_post
1090    o pkg/mom_vecinv:
1091      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1092      - add time-ave diagnostic of vorticity advection.
1093    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1094    o atmospheric geopotential: - include water vapor effect;
1095                                - use p^kappa in p* scaling.
1096    o land pkg: read initial state from files.
1097    o AIM : add stratospheric drag in the upper level
1098    
1099    checkpoint51d_post
1100    o change function ILNBLNK (=> last non-blank char.) to return zero
1101      (instead of the string length) when the string. char is empty
1102    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1103    o modif's to restore TAMC compatibility
1104      - avoid "_d" constructs in PARAMETER declarations
1105      - avoid interrupting lines by comment lines
1106    o Use cluster local disks for purely local I/O
1107      vs. globally visible disks needed for ctrl stuff
1108      (merged from ecco-branch)
1109      - new active_file_loc... and mdsio_..._loc routines
1110      - affected packages: autodiff, ctrl, grdchk, mdsio
1111    
1112    checkpoint51c_post
1113    o introducing integer flag debugLevel
1114      - debLevZero: suppress all output
1115      - debLevA: standard
1116      - debLevB: equivalent to current debugMode=.TRUE.
1117    o introducing pathname variable mdsioLocalDir for mdsio
1118      that can be specified at runtime
1119      (relevant for cluster I/O to local disk)
1120    `
1121    >>>checkpoint51b_post
1122    adjoint of ptracers
1123    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1124    o extended state in checkpoint_lev?, etc.
1125    o alternative ctrl/cost with tr1 or ptracer
1126    o new comlev1_bibj_ptracers
1127    o new ptracers.flow
1128    o made ptracers_forcing same as external_forcing_s
1129    o added verification for adjoint with ptracers
1130      - adm. grdchk fail so far
1131      - tlm. grdchk OK
1132      - checked tapelev/comlev recomputations: OK
1133    <<<checkpoint51b_pre
1134    
1135    checkpoint51a_post
1136    o added code for biogeochemistry package
1137      - new pkgs: dic, gchem
1138      - new subroutine in ptracers
1139    o modify code for biogeo packages
1140      - in model/src and pkg/ptracers
1141    
1142  checkpoint51  checkpoint51
1143  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1144    - autodiff, ctrl, exf, grdchk, seaice    - autodiff, ctrl, exf, grdchk, seaice

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