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revision 1.96 by adcroft, Tue Nov 5 19:15:12 2002 UTC revision 1.477 by edhill, Sun Apr 17 00:25:45 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
8      not mnc -- this mistake was found by JMC and is now corrected
9    
10    checkpoint57g_post
11    o add Adams-Bashforth 3rd Order time stepping:
12      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
13      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
14    checkpoint57g_pre
15    
16    o make lambda[Theta,Salt]ClimRelax spatially varying
17      (default remains spatially uniform constant based on tau)
18    o added new control variables
19      * init. uVel, vVel, etanN
20      * lambda[Theta,Salt]ClimRelax
21    o separate masks used for ctrl_pack/unpack 'from write_grid' output
22      (suggested by G. Forget)
23    
24    checkpoint57f_post
25    o add parameter "baseTime" = model base time = time at iteration zero
26      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
27      account for baseTime shift
28    o move Coriolis arrays from PARAMS.h to GRID.h
29    checkpoint57f_pre
30    
31    o mnc-ifying the seaice package
32    o introduced an alternative length scale calculation for use in the limiting
33      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
34    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
35    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
36      as well as grad(vort3).  Made it compatible with both approximate form
37      for the cubed sphere and full form of these gradients.  Added flag
38      useFullLeith to select between approximate and full form.  
39    o add "d0" in getcon.F to reduce differences between compilers/platforms
40      update output.txt of exp. fizhi-gridalt-hs
41    o change port_rand funtion to allow to set the seed.
42    o fix obscure MNC bug involving conversion between reals and integers
43      - it caused no problems with certain (eg. gcc, ifc) compilers but the
44        new version is now more standards-compliant
45    o adjoint-related modifications
46      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
47      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
48      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
49    
50    checkpoint57e_post
51    o Adding eddy stress controls a la Ferreira et al.
52    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
53    
54    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
55      update output.txt of exp. fizhi-gridalt-hs
56    o add more "Z" dimensions and associated coordinate vars to MNC
57    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
58    o parameter calendarDumps: when set, approximate months (30-31 days) and years
59      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
60      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
61      months and years.  Requires pkg/cal.
62    o diagnostics: add pickup functionality
63      - off by default for backwards compatibility
64      - current version only uses MDSIO -- MNC will be added
65    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
66    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
67    
68    checkpoint57d_post
69    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
70    o modify verification/ideal_2D_oce so that it tests the creation of mnc
71      output from the diagnostics package
72    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
73    o make genmake2 more portable by using ".$FS" instead of ".f" for more
74      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
75    o add coordinate variables to the MNC output from the diagnostics package
76    o change MNC-flags default value: true when useMNC=TRUE
77    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
78      the ability (off by default) to read the grid information using MNC
79    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
80    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
81    o do snap-shot diagnostics at the middle of the time-interval (instead of
82      at the end).
83    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
84      new test for AIM with thSIce + slab-ocean
85    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
86    o move state variable diagnostics to the beginning of the time step ;
87      (note: still needs some work specially for snap-shot diagnostics)
88      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
89    
90    checkpoint57c_post
91    o Change testing option (-ieee) to get closer agreement between g77 & ifort
92    o generate new output.txt files on faulks with g77 & the new -ieee option
93    checkpoint57c_pre
94    
95    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
96      update output.txt of exp. global_ocean.90x40x15
97    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
98      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
99    o add saltFlux(+File) forcing capability with periodicExternalForcing
100    o allow to use pkg diagnostics for GM-Redi & ThSIce output
101    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
102    o improvements for the MNC output from DIAGNOSTICS:
103      - correct handling of the unlimitied dimension
104      - all dims now have associated coordinate variables
105      - variables located at U, V, and Corner ("Z") points are now written
106        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
107        *all* data points are output
108    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
109    o added pkg/seaice/seaice_monitor.F
110    o mdsio_readfield.F can now read files visible only to master MPI process.
111    o pkg/seaice: some test code for ice-modified ocean stress
112    o exf_getffields interpolation defaults to bilinear for all scalar forcing
113      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
114      spurious negative numbers for precipitation and humidity.  Will cause
115      some small numerical differences for integrations using pkg/exf/exf_interp.F.
116    o pkg/ctrl/
117      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
118        May be enabled via doPackDiag
119      *  introduce z-scaling of
120         + gradient (doZscalePack) and
121         + control (doZscaleUnpack)
122    o pkg/mdsio/
123      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
124      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
125    
126    checkpoint57b_post
127    o simplify options in diagnostics_fill arguments (remove weird combinations)
128    o fix MNC coordinate variables so that they now contain per-face index
129      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
130      general, EXCH2 grids are only aligned to a "local" coordinate system
131    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
132    o Implement instantaneous output within pkg diagnostics:
133      setting a negative frequency in data.diagnostics produces
134     "snap-shot" output (as opposed to time-average if freq > 0)
135    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
136      NOTE: change ptracer diagnostics name: use 2 characters to work with
137            more than 9 tracers. Add also diagnostics of advect & diffus flux.
138    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
139      becomes the coordinate variable for the 'T' dimension
140    o add CF-style coordinate variables to MNC
141      - just a first cut:  numbers are meaningless on the cubesphere and
142        missing along the T axis but otherwise it works!
143    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
144    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
145    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
146      this is based directly on what the model compute, so that the content of
147      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
148    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
149    o clean up build options files for SunOS, in particular
150      - remove -traditional from xmakedepend
151      - change -xarch=v9 to -xarch=native for f77
152      - restore use of make (not gmake)
153      - add CC=gcc if using g77
154    o changes per discussion of AM, JMC, & EH3 today:
155      - move redundant "grid" variables out of "state" -- in preparation of
156        creating proper CF-style coordinate variables and in recognition
157        that any/all grid variables can be easily copied (eg. w/NCO) from
158        the grid files into any of the other NetCDF files
159      - *always* output grid variables with MDSIO (this will eventually be
160        changed)
161      - output MNC grid file if useMNC is true
162    o every instance of _END_MASTER() has been found and replaced with
163      _END_MASTER( myThid ) in order to satisfy certain picky Sun
164      preprocessors
165    o re-arrange diagnostics pkg initialisation:
166     - allow each package to extend the available diagnostics list
167     - add some checking and fix small problems (multi-threaded, ...)
168     - new S/R diagnostics_fill (replace fill_diagnostics):
169       look through the short list of active diag. (instead of the long list)
170       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
171    
172    checkpoint57a_post
173    o this set of changes restores TAMC compatibility
174      tested for global_ocean.90x40x15 adjoint on trough
175      (what a pain)
176    
177    checkpoint57a_pre
178    o some modifs in tools/build_options for sunos
179    o call ctrl_pack for ctrl at end for optimcycle=0
180    
181    checkpoint57
182    o add horizontal bi-harmonic viscosity for vertical velocity
183      - new parameter viscA4W (defaults to viscA4)
184      - affects only non-hydrostatic code
185      - to be done: no-slip lateral boundary conditions
186    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
187    o implement Implicit Vertical advection for pTracers
188    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
189      (implemented also for implicit vertical diffusion & advection)
190    o OBCS: extend application of tracer open boundary conditions
191      to a strip beyond the boundary of width Olx/Oly
192    o add call monitor to TAF set of required calls (flow directives)
193      and include in natl_box_adjoint
194    o untangle a few ifdefs related to cost, ctrl, autodiff
195      untangel a few ALLOW_ECCO_OPTIMIZATION
196    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
197      (theta2, salt2 in ecco_cost_weights)
198    
199    checkpoint56c_post
200    o OBCS as control variables
201      - update ctrl_ad_diff.list, obcs_ad_diff.list
202      - remove balance of obcs controls from default
203      - fix index bug nobcs in ctrl_init
204      - fix dummy fields filen in ctrl_pack
205      - add dummy weights for obcs
206    o lsopt: comment out fort.94 output
207    o optim:
208      - remove unnecessary header files
209      - adjusted namelists
210      - add xerbla.F to Makefile
211    o exf:
212      - multiple modifications of exf_check_range
213      - unit change in exf_init_runoff from [m/year] to [m/s]
214    o mdsio:
215      - i/o-vector change debugLevel from debLevA to debLevB
216    
217    checkpoint56b_post
218    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
219      is called from DO_THE_MODEL_IO
220      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
221      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
222      - clean up PTRACERS_WRITE_TIMEAVE a little
223    o add another verification experiment that tests both the cfc-pkg and
224      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
225      reactive tendencies treated inline with regular timestepping
226    o testreport previously did a lousy job of comparing small numbers, so
227      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
228      implemented in the little c-progam tmp_cmpnum.c which is embedded in
229      testreport.
230    o ptracers_monitor: bug fix for MPI
231    
232    checkpoint56a_post
233    o GCHEM: finish reorganizating the package
234      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
235        (introduces another 3D-array for each passive tracer, but only if
236        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
237        gchemTendency is not needed because the timestep is done separately)
238      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
239      - GCHEM is now---more or less cleanly---separate from PTRACERS
240      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
241        so clear to me how that should be done in a general way.
242    o CFC: improve formatting of output in CFC_ATMOS
243    o PTRACERS:
244      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
245        that ALL experiments with ptracers enable can be checked. This makes
246        GCHEM_MONITOR obsolete.
247      - include a runtime parameter PTRACERS_monitorFreq that defaults to
248        monitorFreq
249      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
250    o add PTRACERS (PTR0[1-5]) to testreport output
251    o exf_check_range:
252      * default changed to .TRUE.
253      * will check values for niter0 if debLevA, every timestep if debLevB
254      * STOP in exf_check_range if 'out of range'
255      * range chosen generous to allow for potential extema
256      TBD: a version with stricter range
257           permitted range would be runtime parameters
258    o GMredi:
259      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
260      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
261      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
262    o GCHEM:
263      - move call to GCHEM_FORCING_SEP, so that it is now called before
264        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
265      - introduced a useGCHEM runtime flag and applied it everywhere.
266      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
267        this flag is now only visible within GCHEM-pkg routines.
268      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
269        be replaced by a 3D array that is computed before thermodynamics; for
270        this, the tracer ID iTracer had to be included into the parameter list
271        of ptracers_forcing
272      - set up forward_step to call gchem_forcing, that will replace
273        gchem_forcing_int in ptracers_forcing
274      - cleaning up
275    o small cleaning of exch2: remove files that are also in eesupp/src
276    
277    checkpoint56
278    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
279    o mnc: cleanup "full" files--fixes out-of-memory problem
280    o ECCO-GODAE
281      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
282      * fully merged and updated from SIO code
283        windstress sign change affects
284        - exf_inscal_[u/v]stress
285        - sign of xx_tau[u/v] adjustments
286        - signs in cost_scat
287      * ctrl_get_gen: avoid update of tau[u/v] for first few days
288      * natl_box_adjoint updated and compressed
289      * 2-level checkpoint switch added
290        (tested in EXP. 1 of natl_box_adjoint)
291      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
292    o SVD
293      * first complete, non-hacked version for SVD calculations
294      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
295        performed via direct access files admtlm_vector.it????
296        (via ctrl_[un]pack)
297      * optimcycle is used for ARPACK iteration counter
298        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
299      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
300        and add linear transforms where necessary
301      * controls are initial/final SST, SSS (can be extended; need to check
302        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
303    o mdsio: filename info to both stderr, stdout
304    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
305      from sign change
306    
307    checkpoint55j_post
308    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
309      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
310    o add consistent build directories and .cvsignore files to verification
311    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
312    o make all subroutines 30 or less characters in length for certain older
313      compilers to work (a thorough search only turns up two routines in
314      pkg/ptracers)
315    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
316      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
317    
318    checkpoint55i_post
319    o change arrays for total vertical diffusivity (2.D if explicit,
320      3.D if implicit) ; each ptracer uses its own background value.
321    o added mnc/NetCDF output capability to ocn_compon_interf
322      - added bits to verification/cpl_aim+ocn so that it can run on
323        ITRDA and other clusters without the mpirun "-wd" option
324    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
325      configuration
326    o give MNC the ability to create additional files rather than
327      exceeding a specified file size limit "MNC_MAX_FILESIZE"
328      - the default is just less than 2GB which is a practical limit
329        on many systems
330    o Compute the non-local term using either KPP vertical diffusivity (=default)
331       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
332    
333    checkpoint55h_post
334    o add verification test "vermix"
335    o remove all the *_ioinc flags and replace with the single global
336      outputTypesInclusive flag
337    o allow to set a vertical profile of vertical diffusivity for T & S
338    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
339    o useMNC moved from data.mnc to data.pkg
340    
341    checkpoint55g_post
342    o Renaming carbon AD experiments to comply with testreport conventions
343    o Updating adjoint of Held-Suarez hs94.1x64x5
344    o Fixing directives for non-ECCO forward_step, after ECCO directives
345      have been fixed to avoid recomp. of do_oceanic_phys
346      Works well for global_ocean.90x40x15,
347      but recomp. issue remains for carbon
348    o Updating adjoint output for natl_box_adjoint after
349      pkg/ecco has been modified (see taga c55d_post)
350    
351    checkpoint55f_post
352    o rename to timeave_init_fixed
353    
354    checkpoint55e_post
355    o some delicate re-shuffle of store directives to avoid one
356      extra call of do_oceanic_physics
357      affects ecco_the_main_loop.F, do_oceanic_physics.F
358      checkpoint_lev1_directives.h
359    o NB: this may break global_ocean adjoint temporarily,
360      but it is clear how to fix it. Will do later, need this now.
361    
362    checkpoint55d_post
363    o ECCO specific cost function terms (up-to-date with 1x1 runs)
364    o ecco_cost_weights is modified to 1x1 runs
365    o modifs to allow observations to be read in as
366      single file or yearly files
367    o enable to read exf forcing fields as either
368      single file or yearly files (flag useExfYearlyFields)
369    checkpoint55d_pre
370    
371    o switch between 2-level and 3-level checkpointing
372    o add ability of MNC to write local and "partial" (eg. 2D slices where
373      the full 3D field is never actually stored) arrays to NetCDF files
374      with the correct (that is, the complete multi-dimensional) set of
375      array indicies
376      - used in mom_vecinv() to write the diagFreq output
377      - tested (demonstrated) in verification/aim.5l_cs
378    o further mnc-ification
379      - add verification/lab_sea to the list with mnc setups
380      - fix undefined mnc v-names in cd_code
381      - add kpp to mnc output (both snapshot and timeave)
382    o non-hydrostatic code
383      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
384        in calc_gw.F
385      - defaults to viscAh
386      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
387        friction or Leith) in non-hydrostatic mode, as long as there is
388        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
389    o pkg/cost
390      extend simple cost functions to treat time mean quantities
391      (T,U,V) via cost_accumulate_state from cost_tile
392    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
393        be 2 times larger than the minimum size the advection scheme requires.
394        now get a perfect conservation of salt in advect_cs test-exp (updated)
395    o GGL90 (Gaspar's TKE mixed layer)
396      - add horizontal diffusion of TKE, requires exchanges in
397        do_fields_blocking_exchanges, horizontal diffusivity is zero by
398        default. In OPA there is no horizontal diffusion of TKE but the
399        mixing coefficients are computed from a horizontal average of TKE of
400        6 points or so. I think that diffusion has a little more physical
401        justification.
402      - clean up ggl90_calc in the hope of reducing memory usage (this hope
403        was in vain)
404      - mask tke-variable in ggl90_init
405    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
406    o fix biharmonic diffusion on CS-grid.
407    o more obcs stuff
408      - added obcs_external_fields_load as an alternative to the EXF-pkg option
409        for reading boundary values. This routine is called from
410        obcs_prescribe_read
411      - updated obcs_check
412      - changed sponge layer relaxation parameter units for days to seconds
413      - turned off sponge layer by default
414      - changed argument list of OBCS_CALC to myTime+deltaTclock
415      - fixed about 35 bugs in obcs_external_fields_load
416    
417    checkpoint55c_post
418    o obcs stuff
419      - new runtime flags useOBCSprescribe, useOBCSbalance
420      - re-arranged obcs_calc
421      - moved exf_getobcs to obcs_prescibe_read
422        obcs_prescibe_read is called after ORLANSKI stuff
423        and independent of it (executable can contain all).
424      - updated obcs_check
425      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
426        These may be necessary only if tangential velocities are
427        prescribed at OB, not sure, needs testing.
428    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
429      which simplifies the calls and passes the ifc check-bounds test
430    
431    checkpoint55b_post
432    o add a 2D scalar, Z location, exchange_2 routine.
433    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
434      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
435      affects advect_cs results (for the wrong reason): update output.txt
436    o use a more standard discretization for biharmonic viscosity ;
437     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
438      affects results of dome set-up: update output.txt
439    o fix gad_advection.F (CubedSphere part), back to version 1.23
440    o fix bug in mom_vi_del2uv.F (CubedSphere part).
441    
442    checkpoint55a_post
443    o merged code to
444      * prescribe/read time-dependent open boundaries
445        (works in conjunction with exf, cal)
446      * sponge layer code for open boundaries
447      * each boundary N/S/E/W now has its own CPP option
448        (healthy for the adjoint)
449    
450    checkpoint55
451    o up-to-date adjoint of previous breaks
452      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
453      - global_ocean_ebm: adjoint still needs fix (TLM ok)
454      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
455      - carbon: * remove tr1-related adjoint verification
456                * add ptracer as control variable
457    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
458      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
459    
460    checkpoint54f_post
461    o in verification/carbin/ remove experiment related to
462      ALLOW_PASSIVE_TRACER (array tr1 etc)
463      code_ad/ input_ad/ results_ad
464    
465    o add two new packages
466      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
467        + subject to optimization (memory)
468      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
469        + subject to reordering (many GOTOs in the original code)
470        + so far opps is called for every (i,j) point, and then operates in
471          the vertical; one may want to reorder the scheme in order operate in
472          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
473          fields)
474    o overhaul of IO so that we now have flags for MDSIO and/or MNC
475      - all verification tests compile and run with linux_ia32_g77
476      - defaults are compatible with current input files--nothing
477        should change if you were not previously using MNC
478      - MNC output has been added in numerous places (eg. timeave)
479        but there are still a few writes not yet do-able with MNC
480        (this is in progress)
481      - flags now allow for either/or/both use of MDSIO and MNC and
482        documentation will soon follow
483      - numerous small formatting cleanups for ProTeX
484    o add version info (via BUILD_INFO.h) to MNC and stdout
485    
486    checkpoint54e_post
487    o add two new packages
488      - pp81 (Packanowski and Philander, 1981), Richardson number and
489        stratification dependent mixing
490      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
491      - these scheme operate in a similar manner as KPP (without ghat, of
492        course), however there is only one diffusivity that is used for both
493        temperature and salinity (and passive tracers)ç
494    o add offline package
495    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
496      provided by Stephanie Dutkiewicz
497    o genmake2: add ability to search for C compilers and cleanup test output
498      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
499    
500    checkpoint54d_post
501    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
502    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
503      leading to additional shift by 5 days each year of integration
504       (i.e. leading to considerable offset over the years)
505    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
506    o start with no AB and no initial filtering (staggerTimeStep):
507      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
508    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
509      (external loading & cpl import/export stay in forward_step.F)
510    o update coupling interface to work with new staggerTimeStep
511    o change MDSIO ptracers_pickup.
512    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
513    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
514    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
515    
516    checkpoint54c_post
517    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
518      this affects (truncation error) output.txt of test-exp:
519       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
520    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
521    o change Qnet to always be the net heat flux, (+upward).
522      affects (truncation error) output of natl_box exp.: updated
523    o define the max number of passive tracers in PTRACERS_SIZE.h
524    o start to test mnc routinely in exp0
525    o add sea-ice loading (sIceLoad) as a new forcing field.
526    
527    checkpoint54b_post
528    o add testreport "-j JOBS" option for parallel builds (tested and pretty
529       impressive on Altix and Opteron systems)
530    o diagnostics can now write NetCDF files through the mnc package
531    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
532    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
533    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
534      affects (truncation error) output of lab_sea & natl_box exp.: updated
535    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
536    
537    checkpoint54a_post
538    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
539    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
540    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
541    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
542      + internal_wave (shift in writing cg2d_ini_res)
543    checkpoint54a_pre
544    
545    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
546      - modified verification/lab_sea and natl_box_adjoint accordingly
547    
548    checkpoint54
549    checkpoint53g_post
550    o prepare splitting of thermodynamics: store convect.counter in common block
551    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
552      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
553    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
554    o new parameter "nShapS": allow to treat differently S from T (nShapT)
555    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
556    o restore adjointability
557    
558    checkpoint53f_post
559    o modifications that affect AIM experiment results (update output.txt):
560      - no advection of S at top interface Nr (pkg/generic_advdiff)
561      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
562    o AIM pkg:
563      - include stability function into surf.Flux derivative relative to Tsurf
564      - calculate clear-sky radiation & surface temp. change (for diagnostics)
565    
566    checkpoint53e_post
567    o merged cylindrical coord configuration
568    o added rotating_tank experiment
569    checkpoint53e_pre
570    
571    checkpoint53d_post
572    o faulks upgraded: re-generate output.txt that have changed:
573       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
574    o Added Bryan and Lewis, 1979, vertical diffusivity profile
575    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
576    o added Sadourny discretization of Coriolis
577      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
578      - re-enabled use of omega3 (useAbsVorticity)
579    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
580      vector-invariant equations
581      - note: does *NOT* yet use same variable visc. for no-slip BC's.
582    o recoded the lateral boundary conditions for non-hydrostatic w, this time
583      hopefully without new bugs
584      - still to do: biharmonic friction for non-hydrostatic w
585    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
586    o regenerated output for global_ocean_ebm (using -ieee)
587    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
588      of mom_common/
589      - simple re-arrangement of instructions within computing loop
590    checkpoint53d_pre
591    
592    checkpoint53c_post
593    o new version of coupler for AIM+thSIce and Ocean models
594     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
595     - land: change Evaporation of snow
596     - aim with thSIce: fix bug in snow-precip.
597    o changes to calc_gw.F
598     - bug fix for w^2 term near the bottom boundary
599     - (hopefully) improve the lateral slip boundary condtions for use with
600        partial/looped cells
601      - because the bug fix changes two verification experiments anyway (exp5
602        and plume on slope), change the lateral boundary condition from half slip
603        to the value of no_slip_sides
604    o ebm package wasnt quite up to the parallel task. Fixed that.
605    o Adjoint of EBM package + verification
606      * TLM OK
607      * ADM not sufficient accuracy yet (needs further testing)
608    
609    checkpoint53b_post
610    o Commiting new energy balance model to repository
611      * package is pkg/ebm
612      * verif. is verification/global_ocean_ebm
613      * references are in ebm_driver.F
614    C      * X. Wang, P. Stone and J. Marotzke, 1999:
615    C        Global thermohaline circulation. Part I:
616    C        Sensitivity to atmospheric moisture transport.
617    C        J. Climate 12(1), 71-82
618    C      * X. Wang, P. Stone and J. Marotzke, 1999:
619    C        Global thermohaline circulation. Part II:
620    C        Sensitivity with interactive transport.
621    C        J. Climate 12(1), 83-91
622    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
623    C        Destabilization of the thermohaline circulation
624    C        by atmospheric eddy transports.
625    C        J. Climate 7(12), 1870-1882
626    o Will need long integration testing.
627    checkpoint53b_pre
628    
629    o created pkg/mom_common in preparation for variable viscosity code
630    o renamed and split ini_mnc_io
631    o pkg/land: only liquid water can diffuse or run-off
632    o AIM using land: soil wetness availability account for snow
633    o added printMapIncludesZeros to EEPARMS namelist
634    
635    checkpoint53a_post
636    o restore TAMC compatiility for exf_constants.h
637      (no usage of _d in .h)
638    o Additional storing in KPP in an attempt to fix
639      TAMC problem with adjoint of KPP code.
640      (no success...)
641      Identical code works fine with TAF.
642    o Fixed verification/natl_box_adjoint experiments.
643      Initial conditions for Experiments 4 and 5 are now
644      set to "SEAICE_initialHEFF=0", which is more reasonable,
645      and hence gives results closer to that of Experiment 2.
646      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
647    
648    checkpoint53
649    o stable checkpoint with up to date adjoint
650      TLM tests only run for 1st grdchk at the moment. Its unclear if
651      this is a code problem or a problem with resetting code for g_
652      variables that is being autogenerated wrong.
653      Otherwise:
654       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
655       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
656         are both still in chaos following their security messes.
657    
658    checkpoint52n_post
659    o various build (mostly genmake2) changes including:
660      - ability to build/run more easily within Cygwin and MacOS X
661      - more complicated Makefiles with a stronger dependence on Gnu Make
662    o pkg/seaice modifications
663      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
664        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
665        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
666      - changed proxy for geostrophic velocity and updated
667        verification/lab_sea/results/* accordingly
668      - removed ADI dynamic solver from pkg/seaice
669      - replaced all occurrences of 1/CSTICE or 1/CSUICE
670        they caused a segmentation fault under certain circumstances
671      - removed unused field WATR
672    o bug fix in exf-package:
673      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
674         now reflect that.
675    o small fixes in the cal-package:
676      - set reference date to first of January for the 'model'-calendar
677      - failing of cal_CheckDate in cal_FullDate now actually results in a
678        warning
679    o small modifications in exf-package to increase flexibility:
680      - change climtempfreeze from a constant to a runtime parameter that
681        is specified in data.exf_clim (default = -1.9)
682      - introduce runtime parameter windstressmax (default = 2.0) that is
683        specified in data.exf
684    o fix in pkg/thsice:
685      - update Evap (Tsf changes) to be consistent with Latent heat flux
686      - maintain snow precipitation unchanged (even if Tsf >=0).
687     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
688    
689    checkpoint52m_post
690    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
691      this does not change any of the results, because myIter=0 in swfrac always
692      lead to jwtype=2 (the default anyway), but the call makes little sense
693      as a default
694    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
695    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
696      atmospheric model (AIM) to use it ; add a "slab ocean" component.
697    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
698    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
699    o extending useSingleCpuIO option to work with new exch2 I/O format
700      - old-style, missing-tile I/O is still accessible by defining CPP
701        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
702    o monitor package can write to NetCDF files and/or STDOUT
703    o fix re-definition bug in MNC_GRID_INIT_ALL()
704    o doc/api_reference added
705      - a framework for building an API Reference Manual using all
706        the "protex" comments embedded in the code
707      - see pkg/generic_advdiff, pkg/mnc for examples
708    o MNC:
709      - make myThid the last argument for all subroutines
710      - new default for the grid files: NO halos
711      - add useMNC and other run-time flags
712      - separate per-file-group handling of the unlimited dimension
713      - early initialization of MNC w/ flags read at the eeboot stage
714        and lookup tables set in initialize_fixed
715      - write all MNC output to a freshly-created directory
716    o thermodynamics sea-ice (thsice) is now tested with testreport.
717    o test exp. advect_cs: use the standard cs32 grid ; update output.
718    o Added functionality to grdchk:
719      pick global i,j,k position (or nearest wet) where to perform check.
720    
721    checkpoint52l_post
722    o new land formulation:
723      a) use ground enthalpy as prognostic variable to ensure exact
724         energy conservation.
725      b) account for water temperature and for latent heat of freezing
726         in all processes (rain, run-off, ground storage)
727      c) compute surface and ground temperature implicitly.
728    o aim_v23 modification for new land model:
729      a) Treat separately land / ocean / sea-ice surface fluxes
730         to allow implicit computation of land & sea-ice surface temp.
731      b) add snow precipitation.
732    checkpoint52l_pre
733    
734    o fix problem (when 1 tile is empty) in min/max monitor.
735    o fix bug in timeAve (u,vZetatave in common block)
736    o no restoring terms under ice for pkg/seaice
737    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
738    o bug fix for pkg/seaice pickups
739    o change MNC call locations and add coordinate attributes
740    o mask vorticity at the corner ; affects global_ocean.cs output
741    o fix ini_curvilinear_grid ; test CS experiments with mpi
742    o aim.5l_cs: modify sea-ice fraction input file ; update output
743    o exf: Adding simple range check routine for exf fields after read
744    
745    checkpoint52k_post
746    o removed top-level directory "diags"
747      - we migrated these functions to pkg/timeave a long time ago
748    o fixed bug introduced in pkg/monitor
749    o accuracy ctrlprec = 32 insuffient for gradient checks using
750      averaged fields (I/O via cost_averages)
751      -> use ctrl.h in active_file*.F to control I/O precision.
752    o paramter list of CALL ADTHE_MAIN_LOOP
753    o added initial do_the_model_io to ecco
754    o set all ...Freq to zero after cost_final
755      taveFreq, dumpFreq, pChkptFreq
756    o MAIN and ECCO differentiability restored
757    
758    checkpoint52j_post
759    o fix nchklev in tamc.h for global_ocean...
760    o Bringing flow and store directives up-to-date
761    o Really weird thing!
762      call do_the_model_io from the_main_loop with parameters
763      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
764      TAF places a faulty re-call of initialise_varia
765      after cost_final call which should not be there!
766    checkpoint52j_pre
767    
768    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
769      error messages
770    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
771    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
772      debug output
773    o modfied mdsio_writefield.F to handle non-global files under exch2
774    o update AIM Cubed-Sphere exp (aim.5l_cs):
775      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
776    o update AIM Equatorial Channel exp:
777      use standard aim_v23 pkg and change the SST fields to be more realistic.
778    o globalFile now works with exch2
779    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
780      mon_vort3.F to make exch2 friendly with >1 tile per cube face
781    o limit timeave output for hi-res integrations
782    
783    checkpoint52i_post
784    o removed CPP_EEOPTIONS.h from verification/*/code
785    o updated the tiling for global_ocean_pressure
786    checkpoint52i_pre
787    
788    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
789      the old pkg/aim).
790    
791    checkpoint52h_pre
792    o shortened offending lines in exch2_send_rx?.template
793    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
794    o genmake2: add build & execute test for NetCDF code
795    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
796      old grid files, moved CPP_EEMACROS.h to pkg/exch2
797    o added useSingleCPUIO flag to monitor.F and mon_out.F
798    o added temporary hack for sea-ice dynamics on the cube:
799      metric terms are ignored and it is assumed that
800      there is no sea-ice on cube faces 1, 2, 4, and 5.
801    
802    checkpoint52f_post
803    o added exch2 cube routines to pkg/exch2
804    o modified hs94.cs-32x32x5 to use it
805    o added new grid files to hs94.cs-32x32x5
806    checkpoint52f_pre
807    
808    checkpoint52e_post
809    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
810      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
811    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
812      to work with implicit vertical advection and AB ;
813    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
814    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
815     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
816    checkpoint52e_pre
817    
818    o fix bug in impldiff when Nr=1 or Nr=2.
819    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
820    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
821    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
822      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
823    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
824    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
825    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
826    
827    checkpoint52d_post
828    o re-tiled many expts to allow comparison in multi-processor mode
829      - updated output accordingly
830      - changed hs94.128x64x5 to use intial T from file rather than use the
831        random number generator
832    o add infrastructure in model routines for fizhi and gridalt packages
833    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
834    o changes to permit hi-res, cubed-sphere, configuration
835      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
836      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
837      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
838        of surface winds for the cube
839      (A verification experiment, based on global_ocean.cs32x15, but with
840       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
841       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
842       complete with example surface forcing files and matlab scripts to look
843       at the output and compare it with that of global_ocean.cs32x15.)
844    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
845       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
846       to conform to the common rule.
847    o check-in the first version of the coupler + interfaces for multi-components
848       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
849       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
850       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
851       - ocean and atmos. share the same horizontal grid (no interpolation).
852       - exchanges between component and coupler is done in forward_step
853    o new verification experiment, cpl_aim+ocn:
854       coupled ocean - AIM atmosphere on cs32 grid.
855    
856    checkpoint52d_pre
857    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
858    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
859    
860    checkpoint52c_post
861    o Fixing OPTIONS files for use of exf:
862      - ALLOW_ECCO not needed
863      - ECCO_CPPOPTIONS.h should not be included from
864        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
865        as has been the case in the past
866      - All cal/exf related options are currently set in
867        single header file. Should remain so until we
868        agree on a consistent new policy.
869    o Removed all CPP options for cal package.
870      cal has no more CPP options.
871    o modified STOREs in GAD_ADVECTION
872    o corrected key comp. for passkey
873    
874    checkpoint52b_post
875    o new version: "thsice" of thermodynamic sea-ice pkg:
876     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
877     - modify fluxes but do not change theta directly;
878     - light cleaning of bulk_force pkg (still needed with thsice).
879     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
880       + output_thsice.txt to test thsice & bulk_force pkgs.
881    o put back grid & coriolis monitor output.
882    checkpoint52b_pre
883    
884    o call "do_the_model_io" at the beginning (=> dump initial state)
885    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
886    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
887      (need info on NUMBER_OF_PTRACERS)
888    o missing PTRACERS headers in some routines
889    o default tamc.h in pkg/autodiff supposed to crash
890      to ensure proper customization
891    
892    checkpoint52a_post
893    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
894      - moved surfaceTendencyTice from pkg/seaice to main code
895      - subroutine FREEZE_SURFACE now limits only surface temperature
896        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
897        => new output.txt for global_ocean.cs32x15 & global_with_exf
898      - keep the old version of FREEZE for backward compatibility;
899        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
900      - corresponding modifs for TAF directives
901    o added surface flux output variables to TIMEAVE_STATVARS
902    o time-averaged output for pkg/ptracers
903    o fix problem with ECCO-related divided adjoint
904      snapshot file was missing some ad-variables,
905      but no warning issued by TAF
906    
907    checkpoint52a_pre
908    o some bug fixes for #undef REAL4_IS_SLOW
909    
910    checkpoint52 = ecco_c52_e35
911    o after testing adjoints of checkpoint51u_post
912    
913    checkpoint51u_post
914    o this is the post-merge tag of the ecco-branch
915      (needs another clean checkout and re-testing)
916    o various natl_box_adjoint configs and results
917      but no input fields
918    o obcs adjoint not yet merged!
919    o adding ECCO global 1x1 and 2x2 degree configs
920    o updated/extended some store directives for seaice
921    o pkg/ecco now containes ecco-specific part of cost function
922    o top level routines the_main_loop, forward_step
923      supersede those in model/src/
924      previous input data.cost now in data.ecco
925      (new namelist ecco_cost_nml)
926    o in ctrl/ cleaned some cross-dependencies and updated CPP options
927    
928    checkpoint51t_post
929    o this is the pre-merge tag of the ecco-branch
930    
931    checkpoint51s_post
932    o cleanup: removed various obsolete #define-s
933    o pkg/grdchk
934      - renamed 'ph-grd 3' to 'grad-res'
935      - merged from ecco-branch
936        (remaining bug fixes for obcs gradient checks)
937      - additional high-precision output for testreport
938        (grep for 'precision_grdchk_result')
939    
940    checkpoint51r_post
941    o cleaned up or removed CPP_OPTIONS.h files
942    o updated results for some of the tests to reflect the new
943      optfiles (-ieee: -O0 instead of -O3)
944    
945    checkpoint51q_post
946    o cd_code:
947      - moved cd_scheme.F -> cd_code_scheme.F
948      - separate read_checkpoint from cd_code_ini_vars.F
949      - separated cd_code part from write_checkpoint
950      - updated AD_SOURCE, generated .flow
951      - added CD_CODE_VARS.h to the_main_loop
952      - Moving cd_code specific store dir.s to pkg/cd_code
953    o ctrl package totally restructured
954      - pack/unpack now optional and decoupled from
955        xx_/adxx_ I/O
956      - ctrl_pack/unpack cleaned
957        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
958      - confined inclusion of AD_CONFIG.h to where necessary.
959    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
960    
961    checkpoint51p_post
962    o create initial cd_code package
963      - WARNING: the initialization of fields within packages
964        is broken because INI_FIELDS (where READ_CHECKPOINT is
965        called) is called *before* PACKAGES_INIT_VARIABLES.
966        This seems to be backwards since
967        1) its important to initially zero the entire field including
968           the "halo" region
969        2) zeroing needs to be done *before* reading pickup info
970           and the pickup call might or might not happen in any
971           particular run
972      - this needs an overhaul for R2
973    o cleanup verification/*/code/GMREDI_OPTIONS.h
974    o cleanup testreport
975    
976    checkpoint51o_post
977    o bringing AD-related verif's up to date with genmake2
978      - carbon/
979      - global_ocean.90x40x15/
980      - hs.94.1x64x5/
981      - (front_relax/ )
982    o (more) consistent directory structure for AD-related verif.'s
983    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
984    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
985    o bug fix in find_alpha.F for MDJWF:
986      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
987        change rho -> rho-rhoConst
988      - replace call find_rho to find_rhonum
989    o initialisation of rFlx extended to full array (required by TAF)
990      and shifted to thermodynamics
991    o removed PTRACERS.h in ptracers routine
992    o added surfacetendencyPtr to S/R parameter list pracers_forcing
993    o Correcting initialisations for fVerU, fVerV.
994    o helping TAF to recognize dependency on kUp for
995      fVerU, fVerV
996    o Replacing delZ by delR in pkg/ctrl/
997    checkpoint51o_pre
998    
999    o undid all of cp51 pending some cleanups and discussion
1000    o added the [#include "AD_CONFIG.h"] statement to all files that need
1001       it for adjoint/tl #defines
1002     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1003     o removed tools/genmake since it no longer works
1004    
1005    checkpoint51n_post
1006    o modifications to make FREEZE flux visible to pkg/kpp
1007      - moved surfaceTendencyTice from pkg/seaice to main code
1008      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1009      - subroutine FREEZE now limits only surface temperature
1010        (this means new output.txt for global_ocean.90x40x15,
1011         global_ocean.cs32x15, and global_with_exf)
1012    o added surface flux output variables to TIMEAVE_STATVARS
1013    
1014    checkpoint51n_pre
1015    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1016    o added [#include "AD_CONFIG.h"] to all files that use the following
1017      defines:
1018      - ALLOW_ADJOINT_RUN
1019      - ALLOW_TANGENTLINEAR_RUN
1020      - ALLOW_ECCO_OPTIMIZATION
1021    
1022    checkpoint51m_post
1023    o incorporating changes to get TAMC/TAF working in genmake2
1024      - added new TAMC/TAF targets to the Makefile
1025      - various cleanups related to package handling
1026      - these changes should have no impact on the forward model
1027    
1028    checkpoint51l_post
1029    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1030     - faster algorithm for cal_addtime.F
1031     - higher precision arithmetic, where needed
1032     - pkg/exf *startdate variables changed from calendar date to
1033       model integration time
1034    
1035    checkpoint51l_pre
1036    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1037    o enable to apply restoring on S & T only in a latitude band.
1038    o update output (external_forcing_surf modif. change truncation errors)
1039       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1040    
1041    checkpoint51k_post
1042    o change default to: useNHMTerms=.FALSE.
1043     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1044       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1045     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1046        exp1, ideal_2D_oce
1047     - change data file of oceanic exp (leave the results unchanged for now)
1048       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1049    o set gravitySign automatically according to the vertical coordinate used
1050      (and change sign: back to "logical" value: +1 when R increases downward)
1051    o added an include barrier to the default CPP_OPTIONS.h and
1052      removed the #include "PACKAGES_CONFIG.h" from it
1053    o fix a bug in mom_fluxform (from chk51j_post)
1054    
1055    checkpoint51j_post
1056    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1057    o adjusted some flow directives (dynamics, thermodynamics)
1058    o added cubed-sphere case to test cost function
1059    o heckpoint_lev?_directives.h now include
1060      pkg-specific directives, whenever those are enabled.
1061    o Moving pkg-specific flow directives to corresponding pkg
1062      Moving pkg-specific differentiation list to corresponding pkg
1063      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1064      ---> conventions are
1065           - pkg_ad.flow
1066           - pkg_ad_diff.list
1067           - pkg_ad_check_lev?_dir.h
1068    
1069    checkpoint51i_post
1070    o merge of the branch-genmake2
1071      - knowingly breaks the older genmake
1072      - automatic generation of all ALLOW_${PKG_NAME} defines
1073      - new testreport supersedes older testscript
1074    o large number of package inclusion and header cleanups
1075    checkpoint51i_pre
1076    
1077    o new output for adjoin of global ocean vector invariant
1078    o fix for checkpoint of thermodynamic seaice and bulk_force
1079    o Steph gchem various cleanups
1080    
1081    checkpoint 51h_pre
1082    o fixed some single quotes
1083    o modify gchem pkg to be more versatile
1084    o modifications to clean up dic pkg
1085    o add pkg/cfc
1086    
1087    checkpoint51g_post
1088    o provide links for ARPACK and ADM*TLM
1089    o start removing verification/vero/
1090    o update AD-related stuff
1091      (in particular some IF-statements in model/src/ routines)
1092    o adding to verification/global_ocean.90x40x15/ adjoint of
1093      vector invariant setup
1094    
1095    checkpoint51f_post
1096    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1097    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1098      of tracer Green's fucntions for ocean inversion project.
1099    
1100    checkpoint51f_pre
1101    o Added on-the-fly spatial interpolation capability
1102        "USE_EXF_INTERPOLATION" to pkg/exf.
1103      - This is a temporary Cartesian-grid hack until
1104        the super-duper ESMF coupler becomes available.
1105      - See verification/global_with_exf/README for usage example.
1106      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1107        flags and modified pkg/seaice accordingly.
1108    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1109        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1110        non-local transport term.
1111    
1112    checkpoint51e_post
1113    o pkg/mom_vecinv:
1114      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1115      - add time-ave diagnostic of vorticity advection.
1116    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1117    o atmospheric geopotential: - include water vapor effect;
1118                                - use p^kappa in p* scaling.
1119    o land pkg: read initial state from files.
1120    o AIM : add stratospheric drag in the upper level
1121    
1122    checkpoint51d_post
1123    o change function ILNBLNK (=> last non-blank char.) to return zero
1124      (instead of the string length) when the string. char is empty
1125    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1126    o modif's to restore TAMC compatibility
1127      - avoid "_d" constructs in PARAMETER declarations
1128      - avoid interrupting lines by comment lines
1129    o Use cluster local disks for purely local I/O
1130      vs. globally visible disks needed for ctrl stuff
1131      (merged from ecco-branch)
1132      - new active_file_loc... and mdsio_..._loc routines
1133      - affected packages: autodiff, ctrl, grdchk, mdsio
1134    
1135    checkpoint51c_post
1136    o introducing integer flag debugLevel
1137      - debLevZero: suppress all output
1138      - debLevA: standard
1139      - debLevB: equivalent to current debugMode=.TRUE.
1140    o introducing pathname variable mdsioLocalDir for mdsio
1141      that can be specified at runtime
1142      (relevant for cluster I/O to local disk)
1143    `
1144    >>>checkpoint51b_post
1145    adjoint of ptracers
1146    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1147    o extended state in checkpoint_lev?, etc.
1148    o alternative ctrl/cost with tr1 or ptracer
1149    o new comlev1_bibj_ptracers
1150    o new ptracers.flow
1151    o made ptracers_forcing same as external_forcing_s
1152    o added verification for adjoint with ptracers
1153      - adm. grdchk fail so far
1154      - tlm. grdchk OK
1155      - checked tapelev/comlev recomputations: OK
1156    <<<checkpoint51b_pre
1157    
1158    checkpoint51a_post
1159    o added code for biogeochemistry package
1160      - new pkgs: dic, gchem
1161      - new subroutine in ptracers
1162    o modify code for biogeo packages
1163      - in model/src and pkg/ptracers
1164    
1165    checkpoint51
1166    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1167      - autodiff, ctrl, exf, grdchk, seaice
1168      kept separate packages
1169      - cost, ecco, obcs
1170    o updating verification/internal_wave, verification/lab_sea
1171      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1172    
1173    checkpoint50i_post
1174    o Preparing next differentiable checkpoint and sync
1175      of MAIN vs. ecco-branch
1176      - 1st step: this one is differentiable
1177      - 2nd step: next(! not this) checkpoint will have updated packages
1178                  from ecco-branch)
1179    
1180    checkpoint50h_post
1181    o new package "land": provide surface BC for AIM.
1182    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1183    o AIM: use true log-P extrapolation for near surface temp (= as in
1184        F.Molteni paper) ; update aim.5l_cs output.
1185    o New variable in PARM03 for more flexible pickups
1186    o somewhat cleaned package initialisation sequence for
1187      ctrl/ cost/ ecco/ in packages_... routines
1188    
1189    checkpoint50g_post
1190    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1191      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1192      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1193        made the default because of faster convergence than ADI
1194    
1195    checkpoint50f_post
1196    o exf totally restructured
1197      - replaced all exf_set_ routines by one generic exf_set_gen.F
1198        and made sure it's still differentiable
1199      - split exf_getffields.F into new exf_bulkformulae.F
1200      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1201      - updated adjoint/makefile and relevant verif. accordingly
1202    
1203    checkpoint50f_pre
1204     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1205          + change Evap over land. (update aim.5l_cs output)
1206     o added missing .cvsignores and made uniform across expts
1207     o changed configuration of tidal_basin_2d expt
1208     o added pkg/debug functions for tracing code in fatal crashes
1209     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1210     o new fn in pkg/monitor to stop model if solution grows too big
1211     o removed lots of single quotes from comments
1212    
1213    checkpoint50e_post
1214    o make KPP work with PTRACERS
1215     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1216       nearly a copy of kpp_transport_s
1217     - there is no analogue to SurfaceTendencyS, so I have to use
1218       gPtr(of the surface layer) instead
1219    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1220    checkpoint50e_pre
1221    
1222    checkpoint50d_post
1223    o change kpp output from multiple-record state files to single-record state
1224      files analogous to write_state.F
1225    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1226      analogous to the cg2d-related output.
1227    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1228      so that writing to internal file fn (with length 512) fails.
1229    checkpoint50d_pre
1230    
1231    checkpoint50c_post
1232    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1233    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1234    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1235    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1236    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1237    
1238    checkpoint50c_pre
1239    Merging from release1_p13:
1240    o bug fix for pkg/seaice dynamic solver
1241    o Added SEAICE_initialHEFF to pkg/seaice
1242    
1243    checkpoint50b_post
1244    o store u*,v* in gU,V instead of in guNm1,gvNm1
1245    o in order to put the momForcing out of the Adams-Bashforth:
1246      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1247      to timestep.F
1248    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1249    o re-generate output for highly sensitive test-exp:
1250       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1251    
1252    checkpoint50b_pre
1253    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1254    o corrected CPP option mismatch in exf_Bulk... functions for case
1255      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1256    
1257    checkpoint50a_post
1258    o Bug fix for merging between c50 and KPP.
1259      ikey was passed from thermodynamics to kpp_calc via
1260      common block rather than being recomputed in kpp_calc,
1261      in contradiction with new key itdkey.
1262      New key ikppkey created, and tamc.h headers updated.
1263    
1264    checkpoint50
1265    - 2nd step of merge with ecco-branch:
1266      merge changes in ecco-branch back into main trunk
1267    - bug fix in find_alpha
1268    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1269    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1270    - merged some sliced AD support routines
1271    
1272    checkpoint49
1273    merged from ecco-branch:
1274    o exf:
1275      - Enable initialisation of forcing fields to constant
1276        (runtime) values.
1277      - in exf_getffields.F
1278        Reduce i-/j-loop to interior domain, discarding overlaps.
1279        That also fixes wrong TAF-key computations for key_1, key_2
1280        with bulf formulae.
1281      - exf_init.F modify #ifdef for exf_init_evap
1282      - exf_getffieldrec.F, ctrl_getrec.F
1283        The following INT-usages are not safe:
1284          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1285          fldcount = int(fldsecs/fldperiod) + 1
1286        and were modified.
1287    o autodiff: checkpoint_lev...
1288      - updated storing for bulk formulae (some arrays were missing)
1289      - added state for seaice package
1290      - synchronized with main branch
1291    o DIVA:
1292      Modif.s in
1293      - the_main_loop.F
1294      - the_model_main.F
1295      and added cost_final_restore.F cost_final_store.F
1296      o With these changes, it is possible to fully separate
1297        the first forward run to compute the cost function (mdthe_main_loop)
1298        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1299        into separate model executions.
1300        This enables better tuning of DIVA to given queue sizes.
1301      o Loss of cost function value in consecutive DIVA runs is
1302        fixed by storing to 'costfinal' file.
1303      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1304        beginning/end of adjoint integration is accounted for.
1305      The current changes apply to TAF-1.4.26.
1306      TAF has one remaining bug, requiring one manual change
1307      (see MITgcm manual).
1308    o cal: synchronized between MAIN and ecco-branch
1309    
1310    checkpoint48i_post
1311    o Changes to restore differentiability of code w.r.t. previous tag
1312      (mostly adding new routines to make list and replacing
1313      pressure by totPhiHyd).
1314    o Updated and merged grdchk package
1315      - has both ADM and TLM checks
1316      - works for single- and multi-proc.
1317      - output cleaned
1318      - worked successfully for parallel DIVA
1319    o genmake:
1320      - Adding -platform=SP4
1321      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1322    o Modif. for DIVA:
1323      ctrl_unpack should not be called in intermediate DIVA interval.
1324      (similar thing would apply for active files such as
1325      tbar, sbar, psbar, which should not be reinitialised;
1326      only relevant for ecco-branch)
1327    
1328    checkpoint48h_post
1329    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1330    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1331    o Added SEAICE_initialHEFF to pkg/seaice
1332    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1333    
1334    checkpoint48g_post
1335    --- EOS:
1336    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1337      store total Potential in totPhyHyd for diagnostics & EOS.
1338    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1339    --- Pressure/geopotential gradient:
1340    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1341    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1342      ( changes results of global_ocean_pressure )
1343    o NLFS + z-coord.: add eta*Rho' contribution.
1344    o accurate phiHyd when using interface-W at the middle between 2 centers
1345     ( changes results of ideal_2D_oce )
1346    o includes r* 2nd term in potential gradient.
1347    
1348    checkpoint48f_post
1349    Merging from release1_p12:
1350    o Modifications for using pkg/exf with pkg/seaice
1351      - improved description of the various forcing configurations
1352      - added basic radiation bulk formulae to pkg/exf
1353      - units/sign fix for evap computation in exf_getffields.F
1354      - updated verification/global_with_exf/results/output.txt
1355    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1356      (SBO) core products, including oceanic mass, center-of-mass,
1357      angular, and bottom pressure (see pkg/sbo/README.sbo).
1358    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1359      to avoid negative values in shallow regions.
1360      - updated verification/natl_box/results/output.txt
1361      - updated verification/lab_sea/results/output.txt
1362    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1363    o Added useSingleCpuIO option (see PARAMS.h).
1364    o Updated useSingleCpuIO option in mdsio_writefield.F to
1365      work with multi-field files, e.g., for single-file pickup.
1366    o pkg/seaice:
1367      - bug fix in growth.F: QNET for no shortwave case
1368      - added HeffFile for specifying initial sea-ice thickness
1369      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1370    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1371      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1372    o pkg/seaice:
1373      - adjoint-friendly modifications
1374      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1375    
1376    checkpoint48e_post
1377    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1378    o dynamics: change definition of computational domain & adapt mom_fluxform
1379      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1380    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1381        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1382        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1383        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1384        inverted_barometer solid-body.cs-32x32x1
1385      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1386    
1387    checkpoint48d_post
1388    o in preparation for r*:
1389     a) use pre-computed gradient of hydrostatic potential:
1390        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1391     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1392        => affects results of glob_oce_pressure (different truncation error)  
1393      update output.txt of ideal_2D_oce & global_ocean_pressure
1394    
1395    checkpoint48d_pre
1396    o in preparation for r*:
1397      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1398      pass the 2 comp. of the grad. as arguments to momentum S/R.
1399      but for the moment, only used if it does not change the results.
1400    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1401    
1402    checkpoint48c_post
1403    Modifications in treatment of initial flux forcing controls
1404    to avoid extra storing of flux fields.
1405    
1406    checkpoint48c_pre
1407    o Added tidal_basin_2d experiment (currently 1D!)
1408    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1409    
1410    checkpoint48b_post
1411    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1412     (modification to pressure gradient not yet implemented)
1413    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1414      (for U & V) that are used for vertical advection of momentum.
1415    
1416    checkpoint48a_post
1417    o In preparation for r*, use temp. array to compute vertical transport
1418       in flux-form momentum pkg. => change results of few test-exp.
1419      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1420                        lab_sea, natl_box & plume_on_slope
1421    
1422    checkpoint48
1423    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1424    
1425    checkpoint47j_post
1426    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1427    o moved adexch from forward_step to addummy_in_stepping
1428    o added exch in ctrl_map_...
1429    o aveFreq.=0. at end of cost_final to avoid overwrite in
1430      reverse checkpointing loop
1431    o Yet more changes in gmredi:
1432      * adgmredi_calc_tensor
1433        avoiding all recomputation of gmredi_slope_limit
1434      * adgmredi_x/y/rtransport
1435        added flag for excessive storing to avoid recomp. of
1436        u/v/rtans, dTdx/y/z
1437        -> this is not really necessary and very memory-consuming
1438      * adgmredi_slope_psi:
1439        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1440      * gmredi_slope_limit
1441        re-activated full calculation of taperfct for case 'ac02'
1442    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1443    
1444    checkpoint47i_post
1445    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1446    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1447      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1448    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1449    o gmredi: fix few bugs.
1450    
1451    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1452    This will be a good checkpoint to plug into the ecco-branch.
1453    o few modif.'s to get latest version adjointed
1454      (mainly kick out code in ini_linear_phisurf)
1455    o modif's to run adjoint with exactConserv
1456    o case GM_BOLUS_ADVEC should be cleaned
1457      S/R gmredi_slope_psi should be cleaned
1458    o verification/carbon now has exactConserv=.TRUE.
1459    
1460    checkpoint47g_post
1461    o time-average AIM output: becomes independent from statvars time-average
1462      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1463    o After TAF bug fix:
1464      Tested adjoint of gmredi package.
1465      Tests were done with checkpoint47 rather than with latest
1466      checkpoint47f_post since the latter is broken for the adjoint
1467      verification/carbon/ contains both ADM and TLM gradient checks.
1468    Here they are, before they get changed/lost/stolen.
1469    Mostly modif.'s to fix numerical sensitivities.
1470    Gradient checks OK for
1471    - GM_taper_scheme:
1472      * clipping
1473      * ac02
1474      * linear
1475      * glw91
1476      * dm95
1477      * ldd97
1478    - GMREDI_OPTIONS:
1479      * GM_VISBECK_VARIABLE_K
1480      * GM_NON_UNITY_DIAGONAL
1481      * GM_EXTRA_DIAGONAL
1482      * GM_BOLUS_ADVEC
1483    in conjunction with data.gmredi parameters to be checked in
1484    in a few minutes under verification/carbon/code/
1485    
1486    checkpoint47f_post
1487    Merging from release1_p10:
1488    o modifications for using pkg/exf with pkg/seaice
1489      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1490        and SEAICE_EXTERNAL_FLUXES
1491      - pkg/exf CPP options EXF_READ_EVAP and
1492        EXF_NO_BULK_COMPUTATIONS
1493      - usage examples are Experiments 8 and 9 in
1494        verification/lab_sea/README
1495      - verification/lab_sea default experiment now uses
1496        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1497    
1498    checkpoint47e_post
1499    o created a tag prior to creating a branch
1500    
1501    checkpoint47d_post
1502    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1503      at the bottom boundary had an erroneous half slip boundary condition
1504    o added bottom drag and no slip boundary condition capabilities to
1505      oceanic pressure coordinates code
1506    o added new verification experiment global_ocean_pressure, this experiment is
1507      also described in the tutorial section of the manual
1508    checkpoint47d_pre
1509    
1510    checkpoint47c_post
1511    o Added a verification experiment for a global cubed-sphere ocean run
1512      -  verification/global_ocean.cubed32x32x30
1513      -  uses pkg/therm_seaice and pkg/bulk_forcing
1514    
1515    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1516    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1517      when using P-coordinate; only implemented for atmospheric config.
1518    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1519      NOTES: requires option NONLIN_FRSURF to be "#define".
1520    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1521    
1522    checkpoint47b_post
1523    Merging from release1_p9:
1524    o pkg/seaice
1525      - removed GOTO's and added taf directives
1526      - double precision constants to reduce the g77 (Linux)
1527        to F77 (SGI) differences reported in release1_p8
1528    o tools/genmake
1529      - added SGI options
1530    o verification/testscript
1531      - updated to that of checkpoint47a_post
1532    o verification/global_ocean.90x40x15/input/eedata
1533      - modified for SGI f77 compatibility
1534    o verification/lab_sea
1535      - added description of sea-ice model
1536      - added missing matlab routines
1537      - added test of thermodynamics parallelization
1538    
1539    checkpoint47a_post
1540    o new pkg: aim_v23
1541     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1542       for now, keep the same surface forcing as before.
1543     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1544     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1545     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1546    o add diagnostic of surface correction term in monitor output
1547    
1548    o bulk_force and therm_seaice
1549    - Two packages:  bulk_force (Bulk forcing)
1550      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1551    - Earlier integration from Stephaine Dutkiewicz
1552      and Patrick Heimbach.
1553    - Two ifdef statements for compile time,
1554       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1555    
1556    checkpoint47
1557    differentiable version of checkpoint46n_post
1558    o bug fix in quasihydrostaticterms
1559    o * "clean" adjoint code (in terms of extensive recomputations)
1560        can now be obtained for all GMREDI options (i.e. for
1561        - GM_VISBECK_VARIABLE_K
1562        - GM_NON_UNITY_DIAGONAL
1563        - GM_EXTRA_DIAGONAL
1564        - GM_BOLUS_ADVEC )
1565      * However, wrong gradient check problem remains unsolved.
1566      * New CPP options have been introduced for different
1567        tapering schemes
1568    o external_fields_load now part of differentiation list
1569    o pressure needs multiple storing;
1570      would be nice to have store_pressure at beginning or
1571      end of forward_step, e.g. by having phiHyd global (5-dim.)
1572      (NB: pressure is needed for certain cases in find_rho,
1573      which is also invoked through convective_adjustment).
1574    o recomputations in find_rho for cases
1575     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1576    o #define ATMOSPHERIC_LOADING should be differentiable
1577    o ini_forcing shifted to begining of initialise_varia
1578    o Incorporating QNVS line search routines into MITgcm
1579      (this is separate code, and therefore not under pkg)
1580      lsopt/, optim/
1581    o Updated verification/carbon/
1582      - #define GM_VISBECK_VARIABLE_K
1583      - GM_taper_scheme    = 'ldd97'    
1584    
1585    checkpoint46n_post
1586    Merging from release1_p8:
1587    o verification/natl_box:
1588      updating new external_fields_load routine
1589    o New package: pkg/seaice
1590      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1591      The sea-ice code is based on Hibler (1979-1980).
1592      Two sea-ice dynamic solvers, ADI and LSR, are included.
1593      In addition to computing prognostic sea-ice variables and diagnosing
1594      the forcing/external data fields that drive the ocean model,
1595      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1596      The implied surface heat flux is then stored in variable
1597      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1598      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1599      non-local transport term.  Because this call precedes model
1600      thermodynamics, temperature under sea-ice may not be "exactly" at
1601      the freezing point by the time theta is dumped or time-averaged.
1602      N.B.: fairly large differences in accuracy occur across
1603            different platforms/compilers; comparison between
1604            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1605            generated output gives:
1606       T           S           U           V
1607      C D M    c        m  s        m  s        m  s        m  s
1608      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1609      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1610      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1611    
1612      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1613    o GAD:
1614      - generated new common blocks to account for call of
1615        same gad routines with differing traceridentities
1616        (needed to modify tracerIdentity indices in GAD.h)
1617      - generated separate common blocks for case useCubedSphereExchange
1618        (Department of Futurology)
1619      - parameter lists to gmredi_?transport: added tracerIdentity
1620      - added new key indices to tamc.h
1621    o external_fields_load:
1622      - added this routine to TAF list
1623      - needed to make some common blocks global and additional storing
1624        along the same lines as exf package (checkpoint_lev?_directives.h)
1625    o exf:
1626      updated external forcing package
1627      - bug fixes carried over from ecco-branch
1628        (missing OBCS_OPTIONS.h in two routines)
1629      - enable easy to use "no forcing".
1630      - added exf I/O for atmospheric loading
1631      - added exf I/O for runoff data
1632      - transfered scaling between exf <-> MITgcm to exf namelist
1633    o Adding new verification experiment global_with_exf.
1634      This verification experiment is almost identical to the
1635      global_ocean.90x40x15 experiment, except that it uses
1636      the exf (and cal) package instead of the
1637      external_fields_load routine (cf README file).
1638    
1639    checkpoint46m_post
1640    o modified testscript to return -- when there are no lines of "%MON" output
1641    o added new flag "quasiHydrostatic" for QH mode
1642      and new routine quasihydrostaticterms()
1643    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1644      New routine: mom_u_coriolis_nh()
1645    o fixed sign of non-hydrostatic metric terms in u and v equations.
1646      Depend on correct sign of gravitySign.
1647    o added work.pc* to .cvsignore in aim directories using ifc
1648  o introduced flag for controllin non-hydrostatic metric terms  o introduced flag for controllin non-hydrostatic metric terms
1649  o removed gravitySign from PARM04  o removed gravitySign from PARM04
1650  o switched to g77/ifc from pgf77 in aim experiments  o switched to g77/ifc from pgf77 in aim experiments

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