/[MITgcm]/MITgcm/doc/tag-index
ViewVC logotype

Diff of /MITgcm/doc/tag-index

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.14 by cnh, Tue Sep 29 18:57:53 1998 UTC revision 1.488 by jmc, Thu May 19 16:26:36 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    checkpoint57h_done
8      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
9      data.diagnostics, data.gchem, data.ptracers) is done.
10    
11    o pkg/diagnostics: prepare for Global/Regional statistics.
12      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
13    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
14      and rename it: DIFFERENT_MULTIPLE
15    
16    checkpoint57h_post
17    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
18    o pkg/diagnostics: change output frequency, now in seconds (instead
19      of Nb of iterations). This requires to change data.diagnostics.
20    checkpoint57h_pre
21    
22    o in mnc, let the user create the output dir if both mnc_outdir_date
23      and mnc_outdir_num are false
24    o add fflags() to pkg/diagnostics which allows one to specify, on a
25      per-file basis, the file precision [default behavior is unchanged]
26    o added diagnostics to pkg/kpp, including computation of mixed layer
27      depth based on a temperature/density criterion
28    o updated verification/natl_box to test the new pkg/kpp diagnostics
29    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
30    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
31    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
32      not mnc -- this mistake was found by JMC and is now corrected
33    
34    checkpoint57g_post
35    o add Adams-Bashforth 3rd Order time stepping:
36      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
37      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
38    checkpoint57g_pre
39    
40    o make lambda[Theta,Salt]ClimRelax spatially varying
41      (default remains spatially uniform constant based on tau)
42    o added new control variables
43      * init. uVel, vVel, etanN
44      * lambda[Theta,Salt]ClimRelax
45    o separate masks used for ctrl_pack/unpack 'from write_grid' output
46      (suggested by G. Forget)
47    
48    checkpoint57f_post
49    o add parameter "baseTime" = model base time = time at iteration zero
50      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
51      account for baseTime shift
52    o move Coriolis arrays from PARAMS.h to GRID.h
53    checkpoint57f_pre
54    
55    o mnc-ifying the seaice package
56    o introduced an alternative length scale calculation for use in the limiting
57      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
58    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
59    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
60      as well as grad(vort3).  Made it compatible with both approximate form
61      for the cubed sphere and full form of these gradients.  Added flag
62      useFullLeith to select between approximate and full form.  
63    o add "d0" in getcon.F to reduce differences between compilers/platforms
64      update output.txt of exp. fizhi-gridalt-hs
65    o change port_rand funtion to allow to set the seed.
66    o fix obscure MNC bug involving conversion between reals and integers
67      - it caused no problems with certain (eg. gcc, ifc) compilers but the
68        new version is now more standards-compliant
69    o adjoint-related modifications
70      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
71      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
72      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
73    
74    checkpoint57e_post
75    o Adding eddy stress controls a la Ferreira et al.
76    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
77    
78    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
79      update output.txt of exp. fizhi-gridalt-hs
80    o add more "Z" dimensions and associated coordinate vars to MNC
81    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
82    o parameter calendarDumps: when set, approximate months (30-31 days) and years
83      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
84      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
85      months and years.  Requires pkg/cal.
86    o diagnostics: add pickup functionality
87      - off by default for backwards compatibility
88      - current version only uses MDSIO -- MNC will be added
89    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
90    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
91    
92    checkpoint57d_post
93    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
94    o modify verification/ideal_2D_oce so that it tests the creation of mnc
95      output from the diagnostics package
96    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
97    o make genmake2 more portable by using ".$FS" instead of ".f" for more
98      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
99    o add coordinate variables to the MNC output from the diagnostics package
100    o change MNC-flags default value: true when useMNC=TRUE
101    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
102      the ability (off by default) to read the grid information using MNC
103    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
104    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
105    o do snap-shot diagnostics at the middle of the time-interval (instead of
106      at the end).
107    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
108      new test for AIM with thSIce + slab-ocean
109    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
110    o move state variable diagnostics to the beginning of the time step ;
111      (note: still needs some work specially for snap-shot diagnostics)
112      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
113    
114    checkpoint57c_post
115    o Change testing option (-ieee) to get closer agreement between g77 & ifort
116    o generate new output.txt files on faulks with g77 & the new -ieee option
117    checkpoint57c_pre
118    
119    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
120      update output.txt of exp. global_ocean.90x40x15
121    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
122      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
123    o add saltFlux(+File) forcing capability with periodicExternalForcing
124    o allow to use pkg diagnostics for GM-Redi & ThSIce output
125    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
126    o improvements for the MNC output from DIAGNOSTICS:
127      - correct handling of the unlimitied dimension
128      - all dims now have associated coordinate variables
129      - variables located at U, V, and Corner ("Z") points are now written
130        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
131        *all* data points are output
132    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
133    o added pkg/seaice/seaice_monitor.F
134    o mdsio_readfield.F can now read files visible only to master MPI process.
135    o pkg/seaice: some test code for ice-modified ocean stress
136    o exf_getffields interpolation defaults to bilinear for all scalar forcing
137      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
138      spurious negative numbers for precipitation and humidity.  Will cause
139      some small numerical differences for integrations using pkg/exf/exf_interp.F.
140    o pkg/ctrl/
141      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
142        May be enabled via doPackDiag
143      *  introduce z-scaling of
144         + gradient (doZscalePack) and
145         + control (doZscaleUnpack)
146    o pkg/mdsio/
147      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
148      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
149    
150    checkpoint57b_post
151    o simplify options in diagnostics_fill arguments (remove weird combinations)
152    o fix MNC coordinate variables so that they now contain per-face index
153      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
154      general, EXCH2 grids are only aligned to a "local" coordinate system
155    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
156    o Implement instantaneous output within pkg diagnostics:
157      setting a negative frequency in data.diagnostics produces
158     "snap-shot" output (as opposed to time-average if freq > 0)
159    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
160      NOTE: change ptracer diagnostics name: use 2 characters to work with
161            more than 9 tracers. Add also diagnostics of advect & diffus flux.
162    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
163      becomes the coordinate variable for the 'T' dimension
164    o add CF-style coordinate variables to MNC
165      - just a first cut:  numbers are meaningless on the cubesphere and
166        missing along the T axis but otherwise it works!
167    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
168    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
169    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
170      this is based directly on what the model compute, so that the content of
171      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
172    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
173    o clean up build options files for SunOS, in particular
174      - remove -traditional from xmakedepend
175      - change -xarch=v9 to -xarch=native for f77
176      - restore use of make (not gmake)
177      - add CC=gcc if using g77
178    o changes per discussion of AM, JMC, & EH3 today:
179      - move redundant "grid" variables out of "state" -- in preparation of
180        creating proper CF-style coordinate variables and in recognition
181        that any/all grid variables can be easily copied (eg. w/NCO) from
182        the grid files into any of the other NetCDF files
183      - *always* output grid variables with MDSIO (this will eventually be
184        changed)
185      - output MNC grid file if useMNC is true
186    o every instance of _END_MASTER() has been found and replaced with
187      _END_MASTER( myThid ) in order to satisfy certain picky Sun
188      preprocessors
189    o re-arrange diagnostics pkg initialisation:
190     - allow each package to extend the available diagnostics list
191     - add some checking and fix small problems (multi-threaded, ...)
192     - new S/R diagnostics_fill (replace fill_diagnostics):
193       look through the short list of active diag. (instead of the long list)
194       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
195    
196    checkpoint57a_post
197    o this set of changes restores TAMC compatibility
198      tested for global_ocean.90x40x15 adjoint on trough
199      (what a pain)
200    
201    checkpoint57a_pre
202    o some modifs in tools/build_options for sunos
203    o call ctrl_pack for ctrl at end for optimcycle=0
204    
205    checkpoint57
206    o add horizontal bi-harmonic viscosity for vertical velocity
207      - new parameter viscA4W (defaults to viscA4)
208      - affects only non-hydrostatic code
209      - to be done: no-slip lateral boundary conditions
210    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
211    o implement Implicit Vertical advection for pTracers
212    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
213      (implemented also for implicit vertical diffusion & advection)
214    o OBCS: extend application of tracer open boundary conditions
215      to a strip beyond the boundary of width Olx/Oly
216    o add call monitor to TAF set of required calls (flow directives)
217      and include in natl_box_adjoint
218    o untangle a few ifdefs related to cost, ctrl, autodiff
219      untangel a few ALLOW_ECCO_OPTIMIZATION
220    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
221      (theta2, salt2 in ecco_cost_weights)
222    
223    checkpoint56c_post
224    o OBCS as control variables
225      - update ctrl_ad_diff.list, obcs_ad_diff.list
226      - remove balance of obcs controls from default
227      - fix index bug nobcs in ctrl_init
228      - fix dummy fields filen in ctrl_pack
229      - add dummy weights for obcs
230    o lsopt: comment out fort.94 output
231    o optim:
232      - remove unnecessary header files
233      - adjusted namelists
234      - add xerbla.F to Makefile
235    o exf:
236      - multiple modifications of exf_check_range
237      - unit change in exf_init_runoff from [m/year] to [m/s]
238    o mdsio:
239      - i/o-vector change debugLevel from debLevA to debLevB
240    
241    checkpoint56b_post
242    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
243      is called from DO_THE_MODEL_IO
244      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
245      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
246      - clean up PTRACERS_WRITE_TIMEAVE a little
247    o add another verification experiment that tests both the cfc-pkg and
248      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
249      reactive tendencies treated inline with regular timestepping
250    o testreport previously did a lousy job of comparing small numbers, so
251      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
252      implemented in the little c-progam tmp_cmpnum.c which is embedded in
253      testreport.
254    o ptracers_monitor: bug fix for MPI
255    
256    checkpoint56a_post
257    o GCHEM: finish reorganizating the package
258      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
259        (introduces another 3D-array for each passive tracer, but only if
260        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
261        gchemTendency is not needed because the timestep is done separately)
262      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
263      - GCHEM is now---more or less cleanly---separate from PTRACERS
264      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
265        so clear to me how that should be done in a general way.
266    o CFC: improve formatting of output in CFC_ATMOS
267    o PTRACERS:
268      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
269        that ALL experiments with ptracers enable can be checked. This makes
270        GCHEM_MONITOR obsolete.
271      - include a runtime parameter PTRACERS_monitorFreq that defaults to
272        monitorFreq
273      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
274    o add PTRACERS (PTR0[1-5]) to testreport output
275    o exf_check_range:
276      * default changed to .TRUE.
277      * will check values for niter0 if debLevA, every timestep if debLevB
278      * STOP in exf_check_range if 'out of range'
279      * range chosen generous to allow for potential extema
280      TBD: a version with stricter range
281           permitted range would be runtime parameters
282    o GMredi:
283      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
284      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
285      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
286    o GCHEM:
287      - move call to GCHEM_FORCING_SEP, so that it is now called before
288        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
289      - introduced a useGCHEM runtime flag and applied it everywhere.
290      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
291        this flag is now only visible within GCHEM-pkg routines.
292      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
293        be replaced by a 3D array that is computed before thermodynamics; for
294        this, the tracer ID iTracer had to be included into the parameter list
295        of ptracers_forcing
296      - set up forward_step to call gchem_forcing, that will replace
297        gchem_forcing_int in ptracers_forcing
298      - cleaning up
299    o small cleaning of exch2: remove files that are also in eesupp/src
300    
301    checkpoint56
302    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
303    o mnc: cleanup "full" files--fixes out-of-memory problem
304    o ECCO-GODAE
305      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
306      * fully merged and updated from SIO code
307        windstress sign change affects
308        - exf_inscal_[u/v]stress
309        - sign of xx_tau[u/v] adjustments
310        - signs in cost_scat
311      * ctrl_get_gen: avoid update of tau[u/v] for first few days
312      * natl_box_adjoint updated and compressed
313      * 2-level checkpoint switch added
314        (tested in EXP. 1 of natl_box_adjoint)
315      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
316    o SVD
317      * first complete, non-hacked version for SVD calculations
318      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
319        performed via direct access files admtlm_vector.it????
320        (via ctrl_[un]pack)
321      * optimcycle is used for ARPACK iteration counter
322        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
323      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
324        and add linear transforms where necessary
325      * controls are initial/final SST, SSS (can be extended; need to check
326        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
327    o mdsio: filename info to both stderr, stdout
328    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
329      from sign change
330    
331    checkpoint55j_post
332    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
333      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
334    o add consistent build directories and .cvsignore files to verification
335    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
336    o make all subroutines 30 or less characters in length for certain older
337      compilers to work (a thorough search only turns up two routines in
338      pkg/ptracers)
339    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
340      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
341    
342    checkpoint55i_post
343    o change arrays for total vertical diffusivity (2.D if explicit,
344      3.D if implicit) ; each ptracer uses its own background value.
345    o added mnc/NetCDF output capability to ocn_compon_interf
346      - added bits to verification/cpl_aim+ocn so that it can run on
347        ITRDA and other clusters without the mpirun "-wd" option
348    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
349      configuration
350    o give MNC the ability to create additional files rather than
351      exceeding a specified file size limit "MNC_MAX_FILESIZE"
352      - the default is just less than 2GB which is a practical limit
353        on many systems
354    o Compute the non-local term using either KPP vertical diffusivity (=default)
355       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
356    
357    checkpoint55h_post
358    o add verification test "vermix"
359    o remove all the *_ioinc flags and replace with the single global
360      outputTypesInclusive flag
361    o allow to set a vertical profile of vertical diffusivity for T & S
362    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
363    o useMNC moved from data.mnc to data.pkg
364    
365    checkpoint55g_post
366    o Renaming carbon AD experiments to comply with testreport conventions
367    o Updating adjoint of Held-Suarez hs94.1x64x5
368    o Fixing directives for non-ECCO forward_step, after ECCO directives
369      have been fixed to avoid recomp. of do_oceanic_phys
370      Works well for global_ocean.90x40x15,
371      but recomp. issue remains for carbon
372    o Updating adjoint output for natl_box_adjoint after
373      pkg/ecco has been modified (see taga c55d_post)
374    
375    checkpoint55f_post
376    o rename to timeave_init_fixed
377    
378    checkpoint55e_post
379    o some delicate re-shuffle of store directives to avoid one
380      extra call of do_oceanic_physics
381      affects ecco_the_main_loop.F, do_oceanic_physics.F
382      checkpoint_lev1_directives.h
383    o NB: this may break global_ocean adjoint temporarily,
384      but it is clear how to fix it. Will do later, need this now.
385    
386    checkpoint55d_post
387    o ECCO specific cost function terms (up-to-date with 1x1 runs)
388    o ecco_cost_weights is modified to 1x1 runs
389    o modifs to allow observations to be read in as
390      single file or yearly files
391    o enable to read exf forcing fields as either
392      single file or yearly files (flag useExfYearlyFields)
393    checkpoint55d_pre
394    
395    o switch between 2-level and 3-level checkpointing
396    o add ability of MNC to write local and "partial" (eg. 2D slices where
397      the full 3D field is never actually stored) arrays to NetCDF files
398      with the correct (that is, the complete multi-dimensional) set of
399      array indicies
400      - used in mom_vecinv() to write the diagFreq output
401      - tested (demonstrated) in verification/aim.5l_cs
402    o further mnc-ification
403      - add verification/lab_sea to the list with mnc setups
404      - fix undefined mnc v-names in cd_code
405      - add kpp to mnc output (both snapshot and timeave)
406    o non-hydrostatic code
407      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
408        in calc_gw.F
409      - defaults to viscAh
410      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
411        friction or Leith) in non-hydrostatic mode, as long as there is
412        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
413    o pkg/cost
414      extend simple cost functions to treat time mean quantities
415      (T,U,V) via cost_accumulate_state from cost_tile
416    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
417        be 2 times larger than the minimum size the advection scheme requires.
418        now get a perfect conservation of salt in advect_cs test-exp (updated)
419    o GGL90 (Gaspar's TKE mixed layer)
420      - add horizontal diffusion of TKE, requires exchanges in
421        do_fields_blocking_exchanges, horizontal diffusivity is zero by
422        default. In OPA there is no horizontal diffusion of TKE but the
423        mixing coefficients are computed from a horizontal average of TKE of
424        6 points or so. I think that diffusion has a little more physical
425        justification.
426      - clean up ggl90_calc in the hope of reducing memory usage (this hope
427        was in vain)
428      - mask tke-variable in ggl90_init
429    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
430    o fix biharmonic diffusion on CS-grid.
431    o more obcs stuff
432      - added obcs_external_fields_load as an alternative to the EXF-pkg option
433        for reading boundary values. This routine is called from
434        obcs_prescribe_read
435      - updated obcs_check
436      - changed sponge layer relaxation parameter units for days to seconds
437      - turned off sponge layer by default
438      - changed argument list of OBCS_CALC to myTime+deltaTclock
439      - fixed about 35 bugs in obcs_external_fields_load
440    
441    checkpoint55c_post
442    o obcs stuff
443      - new runtime flags useOBCSprescribe, useOBCSbalance
444      - re-arranged obcs_calc
445      - moved exf_getobcs to obcs_prescibe_read
446        obcs_prescibe_read is called after ORLANSKI stuff
447        and independent of it (executable can contain all).
448      - updated obcs_check
449      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
450        These may be necessary only if tangential velocities are
451        prescribed at OB, not sure, needs testing.
452    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
453      which simplifies the calls and passes the ifc check-bounds test
454    
455    checkpoint55b_post
456    o add a 2D scalar, Z location, exchange_2 routine.
457    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
458      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
459      affects advect_cs results (for the wrong reason): update output.txt
460    o use a more standard discretization for biharmonic viscosity ;
461     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
462      affects results of dome set-up: update output.txt
463    o fix gad_advection.F (CubedSphere part), back to version 1.23
464    o fix bug in mom_vi_del2uv.F (CubedSphere part).
465    
466    checkpoint55a_post
467    o merged code to
468      * prescribe/read time-dependent open boundaries
469        (works in conjunction with exf, cal)
470      * sponge layer code for open boundaries
471      * each boundary N/S/E/W now has its own CPP option
472        (healthy for the adjoint)
473    
474    checkpoint55
475    o up-to-date adjoint of previous breaks
476      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
477      - global_ocean_ebm: adjoint still needs fix (TLM ok)
478      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
479      - carbon: * remove tr1-related adjoint verification
480                * add ptracer as control variable
481    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
482      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
483    
484    checkpoint54f_post
485    o in verification/carbin/ remove experiment related to
486      ALLOW_PASSIVE_TRACER (array tr1 etc)
487      code_ad/ input_ad/ results_ad
488    
489    o add two new packages
490      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
491        + subject to optimization (memory)
492      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
493        + subject to reordering (many GOTOs in the original code)
494        + so far opps is called for every (i,j) point, and then operates in
495          the vertical; one may want to reorder the scheme in order operate in
496          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
497          fields)
498    o overhaul of IO so that we now have flags for MDSIO and/or MNC
499      - all verification tests compile and run with linux_ia32_g77
500      - defaults are compatible with current input files--nothing
501        should change if you were not previously using MNC
502      - MNC output has been added in numerous places (eg. timeave)
503        but there are still a few writes not yet do-able with MNC
504        (this is in progress)
505      - flags now allow for either/or/both use of MDSIO and MNC and
506        documentation will soon follow
507      - numerous small formatting cleanups for ProTeX
508    o add version info (via BUILD_INFO.h) to MNC and stdout
509    
510    checkpoint54e_post
511    o add two new packages
512      - pp81 (Packanowski and Philander, 1981), Richardson number and
513        stratification dependent mixing
514      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
515      - these scheme operate in a similar manner as KPP (without ghat, of
516        course), however there is only one diffusivity that is used for both
517        temperature and salinity (and passive tracers)ç
518    o add offline package
519    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
520      provided by Stephanie Dutkiewicz
521    o genmake2: add ability to search for C compilers and cleanup test output
522      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
523    
524    checkpoint54d_post
525    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
526    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
527      leading to additional shift by 5 days each year of integration
528       (i.e. leading to considerable offset over the years)
529    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
530    o start with no AB and no initial filtering (staggerTimeStep):
531      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
532    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
533      (external loading & cpl import/export stay in forward_step.F)
534    o update coupling interface to work with new staggerTimeStep
535    o change MDSIO ptracers_pickup.
536    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
537    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
538    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
539    
540    checkpoint54c_post
541    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
542      this affects (truncation error) output.txt of test-exp:
543       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
544    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
545    o change Qnet to always be the net heat flux, (+upward).
546      affects (truncation error) output of natl_box exp.: updated
547    o define the max number of passive tracers in PTRACERS_SIZE.h
548    o start to test mnc routinely in exp0
549    o add sea-ice loading (sIceLoad) as a new forcing field.
550    
551    checkpoint54b_post
552    o add testreport "-j JOBS" option for parallel builds (tested and pretty
553       impressive on Altix and Opteron systems)
554    o diagnostics can now write NetCDF files through the mnc package
555    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
556    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
557    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
558      affects (truncation error) output of lab_sea & natl_box exp.: updated
559    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
560    
561    checkpoint54a_post
562    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
563    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
564    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
565    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
566      + internal_wave (shift in writing cg2d_ini_res)
567    checkpoint54a_pre
568    
569    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
570      - modified verification/lab_sea and natl_box_adjoint accordingly
571    
572    checkpoint54
573    checkpoint53g_post
574    o prepare splitting of thermodynamics: store convect.counter in common block
575    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
576      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
577    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
578    o new parameter "nShapS": allow to treat differently S from T (nShapT)
579    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
580    o restore adjointability
581    
582    checkpoint53f_post
583    o modifications that affect AIM experiment results (update output.txt):
584      - no advection of S at top interface Nr (pkg/generic_advdiff)
585      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
586    o AIM pkg:
587      - include stability function into surf.Flux derivative relative to Tsurf
588      - calculate clear-sky radiation & surface temp. change (for diagnostics)
589    
590    checkpoint53e_post
591    o merged cylindrical coord configuration
592    o added rotating_tank experiment
593    checkpoint53e_pre
594    
595    checkpoint53d_post
596    o faulks upgraded: re-generate output.txt that have changed:
597       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
598    o Added Bryan and Lewis, 1979, vertical diffusivity profile
599    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
600    o added Sadourny discretization of Coriolis
601      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
602      - re-enabled use of omega3 (useAbsVorticity)
603    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
604      vector-invariant equations
605      - note: does *NOT* yet use same variable visc. for no-slip BC's.
606    o recoded the lateral boundary conditions for non-hydrostatic w, this time
607      hopefully without new bugs
608      - still to do: biharmonic friction for non-hydrostatic w
609    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
610    o regenerated output for global_ocean_ebm (using -ieee)
611    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
612      of mom_common/
613      - simple re-arrangement of instructions within computing loop
614    checkpoint53d_pre
615    
616    checkpoint53c_post
617    o new version of coupler for AIM+thSIce and Ocean models
618     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
619     - land: change Evaporation of snow
620     - aim with thSIce: fix bug in snow-precip.
621    o changes to calc_gw.F
622     - bug fix for w^2 term near the bottom boundary
623     - (hopefully) improve the lateral slip boundary condtions for use with
624        partial/looped cells
625      - because the bug fix changes two verification experiments anyway (exp5
626        and plume on slope), change the lateral boundary condition from half slip
627        to the value of no_slip_sides
628    o ebm package wasnt quite up to the parallel task. Fixed that.
629    o Adjoint of EBM package + verification
630      * TLM OK
631      * ADM not sufficient accuracy yet (needs further testing)
632    
633    checkpoint53b_post
634    o Commiting new energy balance model to repository
635      * package is pkg/ebm
636      * verif. is verification/global_ocean_ebm
637      * references are in ebm_driver.F
638    C      * X. Wang, P. Stone and J. Marotzke, 1999:
639    C        Global thermohaline circulation. Part I:
640    C        Sensitivity to atmospheric moisture transport.
641    C        J. Climate 12(1), 71-82
642    C      * X. Wang, P. Stone and J. Marotzke, 1999:
643    C        Global thermohaline circulation. Part II:
644    C        Sensitivity with interactive transport.
645    C        J. Climate 12(1), 83-91
646    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
647    C        Destabilization of the thermohaline circulation
648    C        by atmospheric eddy transports.
649    C        J. Climate 7(12), 1870-1882
650    o Will need long integration testing.
651    checkpoint53b_pre
652    
653    o created pkg/mom_common in preparation for variable viscosity code
654    o renamed and split ini_mnc_io
655    o pkg/land: only liquid water can diffuse or run-off
656    o AIM using land: soil wetness availability account for snow
657    o added printMapIncludesZeros to EEPARMS namelist
658    
659    checkpoint53a_post
660    o restore TAMC compatiility for exf_constants.h
661      (no usage of _d in .h)
662    o Additional storing in KPP in an attempt to fix
663      TAMC problem with adjoint of KPP code.
664      (no success...)
665      Identical code works fine with TAF.
666    o Fixed verification/natl_box_adjoint experiments.
667      Initial conditions for Experiments 4 and 5 are now
668      set to "SEAICE_initialHEFF=0", which is more reasonable,
669      and hence gives results closer to that of Experiment 2.
670      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
671    
672    checkpoint53
673    o stable checkpoint with up to date adjoint
674      TLM tests only run for 1st grdchk at the moment. Its unclear if
675      this is a code problem or a problem with resetting code for g_
676      variables that is being autogenerated wrong.
677      Otherwise:
678       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
679       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
680         are both still in chaos following their security messes.
681    
682    checkpoint52n_post
683    o various build (mostly genmake2) changes including:
684      - ability to build/run more easily within Cygwin and MacOS X
685      - more complicated Makefiles with a stronger dependence on Gnu Make
686    o pkg/seaice modifications
687      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
688        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
689        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
690      - changed proxy for geostrophic velocity and updated
691        verification/lab_sea/results/* accordingly
692      - removed ADI dynamic solver from pkg/seaice
693      - replaced all occurrences of 1/CSTICE or 1/CSUICE
694        they caused a segmentation fault under certain circumstances
695      - removed unused field WATR
696    o bug fix in exf-package:
697      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
698         now reflect that.
699    o small fixes in the cal-package:
700      - set reference date to first of January for the 'model'-calendar
701      - failing of cal_CheckDate in cal_FullDate now actually results in a
702        warning
703    o small modifications in exf-package to increase flexibility:
704      - change climtempfreeze from a constant to a runtime parameter that
705        is specified in data.exf_clim (default = -1.9)
706      - introduce runtime parameter windstressmax (default = 2.0) that is
707        specified in data.exf
708    o fix in pkg/thsice:
709      - update Evap (Tsf changes) to be consistent with Latent heat flux
710      - maintain snow precipitation unchanged (even if Tsf >=0).
711     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
712    
713    checkpoint52m_post
714    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
715      this does not change any of the results, because myIter=0 in swfrac always
716      lead to jwtype=2 (the default anyway), but the call makes little sense
717      as a default
718    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
719    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
720      atmospheric model (AIM) to use it ; add a "slab ocean" component.
721    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
722    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
723    o extending useSingleCpuIO option to work with new exch2 I/O format
724      - old-style, missing-tile I/O is still accessible by defining CPP
725        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
726    o monitor package can write to NetCDF files and/or STDOUT
727    o fix re-definition bug in MNC_GRID_INIT_ALL()
728    o doc/api_reference added
729      - a framework for building an API Reference Manual using all
730        the "protex" comments embedded in the code
731      - see pkg/generic_advdiff, pkg/mnc for examples
732    o MNC:
733      - make myThid the last argument for all subroutines
734      - new default for the grid files: NO halos
735      - add useMNC and other run-time flags
736      - separate per-file-group handling of the unlimited dimension
737      - early initialization of MNC w/ flags read at the eeboot stage
738        and lookup tables set in initialize_fixed
739      - write all MNC output to a freshly-created directory
740    o thermodynamics sea-ice (thsice) is now tested with testreport.
741    o test exp. advect_cs: use the standard cs32 grid ; update output.
742    o Added functionality to grdchk:
743      pick global i,j,k position (or nearest wet) where to perform check.
744    
745    checkpoint52l_post
746    o new land formulation:
747      a) use ground enthalpy as prognostic variable to ensure exact
748         energy conservation.
749      b) account for water temperature and for latent heat of freezing
750         in all processes (rain, run-off, ground storage)
751      c) compute surface and ground temperature implicitly.
752    o aim_v23 modification for new land model:
753      a) Treat separately land / ocean / sea-ice surface fluxes
754         to allow implicit computation of land & sea-ice surface temp.
755      b) add snow precipitation.
756    checkpoint52l_pre
757    
758    o fix problem (when 1 tile is empty) in min/max monitor.
759    o fix bug in timeAve (u,vZetatave in common block)
760    o no restoring terms under ice for pkg/seaice
761    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
762    o bug fix for pkg/seaice pickups
763    o change MNC call locations and add coordinate attributes
764    o mask vorticity at the corner ; affects global_ocean.cs output
765    o fix ini_curvilinear_grid ; test CS experiments with mpi
766    o aim.5l_cs: modify sea-ice fraction input file ; update output
767    o exf: Adding simple range check routine for exf fields after read
768    
769    checkpoint52k_post
770    o removed top-level directory "diags"
771      - we migrated these functions to pkg/timeave a long time ago
772    o fixed bug introduced in pkg/monitor
773    o accuracy ctrlprec = 32 insuffient for gradient checks using
774      averaged fields (I/O via cost_averages)
775      -> use ctrl.h in active_file*.F to control I/O precision.
776    o paramter list of CALL ADTHE_MAIN_LOOP
777    o added initial do_the_model_io to ecco
778    o set all ...Freq to zero after cost_final
779      taveFreq, dumpFreq, pChkptFreq
780    o MAIN and ECCO differentiability restored
781    
782    checkpoint52j_post
783    o fix nchklev in tamc.h for global_ocean...
784    o Bringing flow and store directives up-to-date
785    o Really weird thing!
786      call do_the_model_io from the_main_loop with parameters
787      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
788      TAF places a faulty re-call of initialise_varia
789      after cost_final call which should not be there!
790    checkpoint52j_pre
791    
792    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
793      error messages
794    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
795    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
796      debug output
797    o modfied mdsio_writefield.F to handle non-global files under exch2
798    o update AIM Cubed-Sphere exp (aim.5l_cs):
799      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
800    o update AIM Equatorial Channel exp:
801      use standard aim_v23 pkg and change the SST fields to be more realistic.
802    o globalFile now works with exch2
803    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
804      mon_vort3.F to make exch2 friendly with >1 tile per cube face
805    o limit timeave output for hi-res integrations
806    
807    checkpoint52i_post
808    o removed CPP_EEOPTIONS.h from verification/*/code
809    o updated the tiling for global_ocean_pressure
810    checkpoint52i_pre
811    
812    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
813      the old pkg/aim).
814    
815    checkpoint52h_pre
816    o shortened offending lines in exch2_send_rx?.template
817    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
818    o genmake2: add build & execute test for NetCDF code
819    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
820      old grid files, moved CPP_EEMACROS.h to pkg/exch2
821    o added useSingleCPUIO flag to monitor.F and mon_out.F
822    o added temporary hack for sea-ice dynamics on the cube:
823      metric terms are ignored and it is assumed that
824      there is no sea-ice on cube faces 1, 2, 4, and 5.
825    
826    checkpoint52f_post
827    o added exch2 cube routines to pkg/exch2
828    o modified hs94.cs-32x32x5 to use it
829    o added new grid files to hs94.cs-32x32x5
830    checkpoint52f_pre
831    
832    checkpoint52e_post
833    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
834      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
835    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
836      to work with implicit vertical advection and AB ;
837    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
838    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
839     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
840    checkpoint52e_pre
841    
842    o fix bug in impldiff when Nr=1 or Nr=2.
843    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
844    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
845    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
846      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
847    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
848    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
849    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
850    
851    checkpoint52d_post
852    o re-tiled many expts to allow comparison in multi-processor mode
853      - updated output accordingly
854      - changed hs94.128x64x5 to use intial T from file rather than use the
855        random number generator
856    o add infrastructure in model routines for fizhi and gridalt packages
857    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
858    o changes to permit hi-res, cubed-sphere, configuration
859      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
860      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
861      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
862        of surface winds for the cube
863      (A verification experiment, based on global_ocean.cs32x15, but with
864       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
865       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
866       complete with example surface forcing files and matlab scripts to look
867       at the output and compare it with that of global_ocean.cs32x15.)
868    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
869       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
870       to conform to the common rule.
871    o check-in the first version of the coupler + interfaces for multi-components
872       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
873       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
874       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
875       - ocean and atmos. share the same horizontal grid (no interpolation).
876       - exchanges between component and coupler is done in forward_step
877    o new verification experiment, cpl_aim+ocn:
878       coupled ocean - AIM atmosphere on cs32 grid.
879    
880    checkpoint52d_pre
881    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
882    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
883    
884    checkpoint52c_post
885    o Fixing OPTIONS files for use of exf:
886      - ALLOW_ECCO not needed
887      - ECCO_CPPOPTIONS.h should not be included from
888        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
889        as has been the case in the past
890      - All cal/exf related options are currently set in
891        single header file. Should remain so until we
892        agree on a consistent new policy.
893    o Removed all CPP options for cal package.
894      cal has no more CPP options.
895    o modified STOREs in GAD_ADVECTION
896    o corrected key comp. for passkey
897    
898    checkpoint52b_post
899    o new version: "thsice" of thermodynamic sea-ice pkg:
900     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
901     - modify fluxes but do not change theta directly;
902     - light cleaning of bulk_force pkg (still needed with thsice).
903     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
904       + output_thsice.txt to test thsice & bulk_force pkgs.
905    o put back grid & coriolis monitor output.
906    checkpoint52b_pre
907    
908    o call "do_the_model_io" at the beginning (=> dump initial state)
909    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
910    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
911      (need info on NUMBER_OF_PTRACERS)
912    o missing PTRACERS headers in some routines
913    o default tamc.h in pkg/autodiff supposed to crash
914      to ensure proper customization
915    
916    checkpoint52a_post
917    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
918      - moved surfaceTendencyTice from pkg/seaice to main code
919      - subroutine FREEZE_SURFACE now limits only surface temperature
920        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
921        => new output.txt for global_ocean.cs32x15 & global_with_exf
922      - keep the old version of FREEZE for backward compatibility;
923        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
924      - corresponding modifs for TAF directives
925    o added surface flux output variables to TIMEAVE_STATVARS
926    o time-averaged output for pkg/ptracers
927    o fix problem with ECCO-related divided adjoint
928      snapshot file was missing some ad-variables,
929      but no warning issued by TAF
930    
931    checkpoint52a_pre
932    o some bug fixes for #undef REAL4_IS_SLOW
933    
934    checkpoint52 = ecco_c52_e35
935    o after testing adjoints of checkpoint51u_post
936    
937    checkpoint51u_post
938    o this is the post-merge tag of the ecco-branch
939      (needs another clean checkout and re-testing)
940    o various natl_box_adjoint configs and results
941      but no input fields
942    o obcs adjoint not yet merged!
943    o adding ECCO global 1x1 and 2x2 degree configs
944    o updated/extended some store directives for seaice
945    o pkg/ecco now containes ecco-specific part of cost function
946    o top level routines the_main_loop, forward_step
947      supersede those in model/src/
948      previous input data.cost now in data.ecco
949      (new namelist ecco_cost_nml)
950    o in ctrl/ cleaned some cross-dependencies and updated CPP options
951    
952    checkpoint51t_post
953    o this is the pre-merge tag of the ecco-branch
954    
955    checkpoint51s_post
956    o cleanup: removed various obsolete #define-s
957    o pkg/grdchk
958      - renamed 'ph-grd 3' to 'grad-res'
959      - merged from ecco-branch
960        (remaining bug fixes for obcs gradient checks)
961      - additional high-precision output for testreport
962        (grep for 'precision_grdchk_result')
963    
964    checkpoint51r_post
965    o cleaned up or removed CPP_OPTIONS.h files
966    o updated results for some of the tests to reflect the new
967      optfiles (-ieee: -O0 instead of -O3)
968    
969    checkpoint51q_post
970    o cd_code:
971      - moved cd_scheme.F -> cd_code_scheme.F
972      - separate read_checkpoint from cd_code_ini_vars.F
973      - separated cd_code part from write_checkpoint
974      - updated AD_SOURCE, generated .flow
975      - added CD_CODE_VARS.h to the_main_loop
976      - Moving cd_code specific store dir.s to pkg/cd_code
977    o ctrl package totally restructured
978      - pack/unpack now optional and decoupled from
979        xx_/adxx_ I/O
980      - ctrl_pack/unpack cleaned
981        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
982      - confined inclusion of AD_CONFIG.h to where necessary.
983    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
984    
985    checkpoint51p_post
986    o create initial cd_code package
987      - WARNING: the initialization of fields within packages
988        is broken because INI_FIELDS (where READ_CHECKPOINT is
989        called) is called *before* PACKAGES_INIT_VARIABLES.
990        This seems to be backwards since
991        1) its important to initially zero the entire field including
992           the "halo" region
993        2) zeroing needs to be done *before* reading pickup info
994           and the pickup call might or might not happen in any
995           particular run
996      - this needs an overhaul for R2
997    o cleanup verification/*/code/GMREDI_OPTIONS.h
998    o cleanup testreport
999    
1000    checkpoint51o_post
1001    o bringing AD-related verif's up to date with genmake2
1002      - carbon/
1003      - global_ocean.90x40x15/
1004      - hs.94.1x64x5/
1005      - (front_relax/ )
1006    o (more) consistent directory structure for AD-related verif.'s
1007    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1008    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1009    o bug fix in find_alpha.F for MDJWF:
1010      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1011        change rho -> rho-rhoConst
1012      - replace call find_rho to find_rhonum
1013    o initialisation of rFlx extended to full array (required by TAF)
1014      and shifted to thermodynamics
1015    o removed PTRACERS.h in ptracers routine
1016    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1017    o Correcting initialisations for fVerU, fVerV.
1018    o helping TAF to recognize dependency on kUp for
1019      fVerU, fVerV
1020    o Replacing delZ by delR in pkg/ctrl/
1021    checkpoint51o_pre
1022    
1023    o undid all of cp51 pending some cleanups and discussion
1024    o added the [#include "AD_CONFIG.h"] statement to all files that need
1025       it for adjoint/tl #defines
1026     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1027     o removed tools/genmake since it no longer works
1028    
1029    checkpoint51n_post
1030    o modifications to make FREEZE flux visible to pkg/kpp
1031      - moved surfaceTendencyTice from pkg/seaice to main code
1032      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1033      - subroutine FREEZE now limits only surface temperature
1034        (this means new output.txt for global_ocean.90x40x15,
1035         global_ocean.cs32x15, and global_with_exf)
1036    o added surface flux output variables to TIMEAVE_STATVARS
1037    
1038    checkpoint51n_pre
1039    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1040    o added [#include "AD_CONFIG.h"] to all files that use the following
1041      defines:
1042      - ALLOW_ADJOINT_RUN
1043      - ALLOW_TANGENTLINEAR_RUN
1044      - ALLOW_ECCO_OPTIMIZATION
1045    
1046    checkpoint51m_post
1047    o incorporating changes to get TAMC/TAF working in genmake2
1048      - added new TAMC/TAF targets to the Makefile
1049      - various cleanups related to package handling
1050      - these changes should have no impact on the forward model
1051    
1052    checkpoint51l_post
1053    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1054     - faster algorithm for cal_addtime.F
1055     - higher precision arithmetic, where needed
1056     - pkg/exf *startdate variables changed from calendar date to
1057       model integration time
1058    
1059    checkpoint51l_pre
1060    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1061    o enable to apply restoring on S & T only in a latitude band.
1062    o update output (external_forcing_surf modif. change truncation errors)
1063       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1064    
1065    checkpoint51k_post
1066    o change default to: useNHMTerms=.FALSE.
1067     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1068       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1069     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1070        exp1, ideal_2D_oce
1071     - change data file of oceanic exp (leave the results unchanged for now)
1072       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1073    o set gravitySign automatically according to the vertical coordinate used
1074      (and change sign: back to "logical" value: +1 when R increases downward)
1075    o added an include barrier to the default CPP_OPTIONS.h and
1076      removed the #include "PACKAGES_CONFIG.h" from it
1077    o fix a bug in mom_fluxform (from chk51j_post)
1078    
1079    checkpoint51j_post
1080    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1081    o adjusted some flow directives (dynamics, thermodynamics)
1082    o added cubed-sphere case to test cost function
1083    o heckpoint_lev?_directives.h now include
1084      pkg-specific directives, whenever those are enabled.
1085    o Moving pkg-specific flow directives to corresponding pkg
1086      Moving pkg-specific differentiation list to corresponding pkg
1087      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1088      ---> conventions are
1089           - pkg_ad.flow
1090           - pkg_ad_diff.list
1091           - pkg_ad_check_lev?_dir.h
1092    
1093    checkpoint51i_post
1094    o merge of the branch-genmake2
1095      - knowingly breaks the older genmake
1096      - automatic generation of all ALLOW_${PKG_NAME} defines
1097      - new testreport supersedes older testscript
1098    o large number of package inclusion and header cleanups
1099    checkpoint51i_pre
1100    
1101    o new output for adjoin of global ocean vector invariant
1102    o fix for checkpoint of thermodynamic seaice and bulk_force
1103    o Steph gchem various cleanups
1104    
1105    checkpoint 51h_pre
1106    o fixed some single quotes
1107    o modify gchem pkg to be more versatile
1108    o modifications to clean up dic pkg
1109    o add pkg/cfc
1110    
1111    checkpoint51g_post
1112    o provide links for ARPACK and ADM*TLM
1113    o start removing verification/vero/
1114    o update AD-related stuff
1115      (in particular some IF-statements in model/src/ routines)
1116    o adding to verification/global_ocean.90x40x15/ adjoint of
1117      vector invariant setup
1118    
1119    checkpoint51f_post
1120    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1121    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1122      of tracer Green's fucntions for ocean inversion project.
1123    
1124    checkpoint51f_pre
1125    o Added on-the-fly spatial interpolation capability
1126        "USE_EXF_INTERPOLATION" to pkg/exf.
1127      - This is a temporary Cartesian-grid hack until
1128        the super-duper ESMF coupler becomes available.
1129      - See verification/global_with_exf/README for usage example.
1130      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1131        flags and modified pkg/seaice accordingly.
1132    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1133        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1134        non-local transport term.
1135    
1136    checkpoint51e_post
1137    o pkg/mom_vecinv:
1138      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1139      - add time-ave diagnostic of vorticity advection.
1140    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1141    o atmospheric geopotential: - include water vapor effect;
1142                                - use p^kappa in p* scaling.
1143    o land pkg: read initial state from files.
1144    o AIM : add stratospheric drag in the upper level
1145    
1146    checkpoint51d_post
1147    o change function ILNBLNK (=> last non-blank char.) to return zero
1148      (instead of the string length) when the string. char is empty
1149    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1150    o modif's to restore TAMC compatibility
1151      - avoid "_d" constructs in PARAMETER declarations
1152      - avoid interrupting lines by comment lines
1153    o Use cluster local disks for purely local I/O
1154      vs. globally visible disks needed for ctrl stuff
1155      (merged from ecco-branch)
1156      - new active_file_loc... and mdsio_..._loc routines
1157      - affected packages: autodiff, ctrl, grdchk, mdsio
1158    
1159    checkpoint51c_post
1160    o introducing integer flag debugLevel
1161      - debLevZero: suppress all output
1162      - debLevA: standard
1163      - debLevB: equivalent to current debugMode=.TRUE.
1164    o introducing pathname variable mdsioLocalDir for mdsio
1165      that can be specified at runtime
1166      (relevant for cluster I/O to local disk)
1167    `
1168    >>>checkpoint51b_post
1169    adjoint of ptracers
1170    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1171    o extended state in checkpoint_lev?, etc.
1172    o alternative ctrl/cost with tr1 or ptracer
1173    o new comlev1_bibj_ptracers
1174    o new ptracers.flow
1175    o made ptracers_forcing same as external_forcing_s
1176    o added verification for adjoint with ptracers
1177      - adm. grdchk fail so far
1178      - tlm. grdchk OK
1179      - checked tapelev/comlev recomputations: OK
1180    <<<checkpoint51b_pre
1181    
1182    checkpoint51a_post
1183    o added code for biogeochemistry package
1184      - new pkgs: dic, gchem
1185      - new subroutine in ptracers
1186    o modify code for biogeo packages
1187      - in model/src and pkg/ptracers
1188    
1189    checkpoint51
1190    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1191      - autodiff, ctrl, exf, grdchk, seaice
1192      kept separate packages
1193      - cost, ecco, obcs
1194    o updating verification/internal_wave, verification/lab_sea
1195      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1196    
1197    checkpoint50i_post
1198    o Preparing next differentiable checkpoint and sync
1199      of MAIN vs. ecco-branch
1200      - 1st step: this one is differentiable
1201      - 2nd step: next(! not this) checkpoint will have updated packages
1202                  from ecco-branch)
1203    
1204    checkpoint50h_post
1205    o new package "land": provide surface BC for AIM.
1206    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1207    o AIM: use true log-P extrapolation for near surface temp (= as in
1208        F.Molteni paper) ; update aim.5l_cs output.
1209    o New variable in PARM03 for more flexible pickups
1210    o somewhat cleaned package initialisation sequence for
1211      ctrl/ cost/ ecco/ in packages_... routines
1212    
1213    checkpoint50g_post
1214    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1215      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1216      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1217        made the default because of faster convergence than ADI
1218    
1219    checkpoint50f_post
1220    o exf totally restructured
1221      - replaced all exf_set_ routines by one generic exf_set_gen.F
1222        and made sure it's still differentiable
1223      - split exf_getffields.F into new exf_bulkformulae.F
1224      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1225      - updated adjoint/makefile and relevant verif. accordingly
1226    
1227    checkpoint50f_pre
1228     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1229          + change Evap over land. (update aim.5l_cs output)
1230     o added missing .cvsignores and made uniform across expts
1231     o changed configuration of tidal_basin_2d expt
1232     o added pkg/debug functions for tracing code in fatal crashes
1233     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1234     o new fn in pkg/monitor to stop model if solution grows too big
1235     o removed lots of single quotes from comments
1236    
1237    checkpoint50e_post
1238    o make KPP work with PTRACERS
1239     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1240       nearly a copy of kpp_transport_s
1241     - there is no analogue to SurfaceTendencyS, so I have to use
1242       gPtr(of the surface layer) instead
1243    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1244    checkpoint50e_pre
1245    
1246    checkpoint50d_post
1247    o change kpp output from multiple-record state files to single-record state
1248      files analogous to write_state.F
1249    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1250      analogous to the cg2d-related output.
1251    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1252      so that writing to internal file fn (with length 512) fails.
1253    checkpoint50d_pre
1254    
1255    checkpoint50c_post
1256    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1257    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1258    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1259    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1260    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1261    
1262    checkpoint50c_pre
1263    Merging from release1_p13:
1264    o bug fix for pkg/seaice dynamic solver
1265    o Added SEAICE_initialHEFF to pkg/seaice
1266    
1267    checkpoint50b_post
1268    o store u*,v* in gU,V instead of in guNm1,gvNm1
1269    o in order to put the momForcing out of the Adams-Bashforth:
1270      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1271      to timestep.F
1272    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1273    o re-generate output for highly sensitive test-exp:
1274       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1275    
1276    checkpoint50b_pre
1277    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1278    o corrected CPP option mismatch in exf_Bulk... functions for case
1279      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1280    
1281    checkpoint50a_post
1282    o Bug fix for merging between c50 and KPP.
1283      ikey was passed from thermodynamics to kpp_calc via
1284      common block rather than being recomputed in kpp_calc,
1285      in contradiction with new key itdkey.
1286      New key ikppkey created, and tamc.h headers updated.
1287    
1288    checkpoint50
1289    - 2nd step of merge with ecco-branch:
1290      merge changes in ecco-branch back into main trunk
1291    - bug fix in find_alpha
1292    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1293    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1294    - merged some sliced AD support routines
1295    
1296    checkpoint49
1297    merged from ecco-branch:
1298    o exf:
1299      - Enable initialisation of forcing fields to constant
1300        (runtime) values.
1301      - in exf_getffields.F
1302        Reduce i-/j-loop to interior domain, discarding overlaps.
1303        That also fixes wrong TAF-key computations for key_1, key_2
1304        with bulf formulae.
1305      - exf_init.F modify #ifdef for exf_init_evap
1306      - exf_getffieldrec.F, ctrl_getrec.F
1307        The following INT-usages are not safe:
1308          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1309          fldcount = int(fldsecs/fldperiod) + 1
1310        and were modified.
1311    o autodiff: checkpoint_lev...
1312      - updated storing for bulk formulae (some arrays were missing)
1313      - added state for seaice package
1314      - synchronized with main branch
1315    o DIVA:
1316      Modif.s in
1317      - the_main_loop.F
1318      - the_model_main.F
1319      and added cost_final_restore.F cost_final_store.F
1320      o With these changes, it is possible to fully separate
1321        the first forward run to compute the cost function (mdthe_main_loop)
1322        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1323        into separate model executions.
1324        This enables better tuning of DIVA to given queue sizes.
1325      o Loss of cost function value in consecutive DIVA runs is
1326        fixed by storing to 'costfinal' file.
1327      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1328        beginning/end of adjoint integration is accounted for.
1329      The current changes apply to TAF-1.4.26.
1330      TAF has one remaining bug, requiring one manual change
1331      (see MITgcm manual).
1332    o cal: synchronized between MAIN and ecco-branch
1333    
1334    checkpoint48i_post
1335    o Changes to restore differentiability of code w.r.t. previous tag
1336      (mostly adding new routines to make list and replacing
1337      pressure by totPhiHyd).
1338    o Updated and merged grdchk package
1339      - has both ADM and TLM checks
1340      - works for single- and multi-proc.
1341      - output cleaned
1342      - worked successfully for parallel DIVA
1343    o genmake:
1344      - Adding -platform=SP4
1345      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1346    o Modif. for DIVA:
1347      ctrl_unpack should not be called in intermediate DIVA interval.
1348      (similar thing would apply for active files such as
1349      tbar, sbar, psbar, which should not be reinitialised;
1350      only relevant for ecco-branch)
1351    
1352    checkpoint48h_post
1353    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1354    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1355    o Added SEAICE_initialHEFF to pkg/seaice
1356    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1357    
1358    checkpoint48g_post
1359    --- EOS:
1360    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1361      store total Potential in totPhyHyd for diagnostics & EOS.
1362    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1363    --- Pressure/geopotential gradient:
1364    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1365    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1366      ( changes results of global_ocean_pressure )
1367    o NLFS + z-coord.: add eta*Rho' contribution.
1368    o accurate phiHyd when using interface-W at the middle between 2 centers
1369     ( changes results of ideal_2D_oce )
1370    o includes r* 2nd term in potential gradient.
1371    
1372    checkpoint48f_post
1373    Merging from release1_p12:
1374    o Modifications for using pkg/exf with pkg/seaice
1375      - improved description of the various forcing configurations
1376      - added basic radiation bulk formulae to pkg/exf
1377      - units/sign fix for evap computation in exf_getffields.F
1378      - updated verification/global_with_exf/results/output.txt
1379    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1380      (SBO) core products, including oceanic mass, center-of-mass,
1381      angular, and bottom pressure (see pkg/sbo/README.sbo).
1382    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1383      to avoid negative values in shallow regions.
1384      - updated verification/natl_box/results/output.txt
1385      - updated verification/lab_sea/results/output.txt
1386    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1387    o Added useSingleCpuIO option (see PARAMS.h).
1388    o Updated useSingleCpuIO option in mdsio_writefield.F to
1389      work with multi-field files, e.g., for single-file pickup.
1390    o pkg/seaice:
1391      - bug fix in growth.F: QNET for no shortwave case
1392      - added HeffFile for specifying initial sea-ice thickness
1393      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1394    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1395      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1396    o pkg/seaice:
1397      - adjoint-friendly modifications
1398      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1399    
1400    checkpoint48e_post
1401    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1402    o dynamics: change definition of computational domain & adapt mom_fluxform
1403      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1404    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1405        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1406        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1407        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1408        inverted_barometer solid-body.cs-32x32x1
1409      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1410    
1411    checkpoint48d_post
1412    o in preparation for r*:
1413     a) use pre-computed gradient of hydrostatic potential:
1414        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1415     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1416        => affects results of glob_oce_pressure (different truncation error)  
1417      update output.txt of ideal_2D_oce & global_ocean_pressure
1418    
1419    checkpoint48d_pre
1420    o in preparation for r*:
1421      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1422      pass the 2 comp. of the grad. as arguments to momentum S/R.
1423      but for the moment, only used if it does not change the results.
1424    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1425    
1426    checkpoint48c_post
1427    Modifications in treatment of initial flux forcing controls
1428    to avoid extra storing of flux fields.
1429    
1430    checkpoint48c_pre
1431    o Added tidal_basin_2d experiment (currently 1D!)
1432    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1433    
1434    checkpoint48b_post
1435    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1436     (modification to pressure gradient not yet implemented)
1437    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1438      (for U & V) that are used for vertical advection of momentum.
1439    
1440    checkpoint48a_post
1441    o In preparation for r*, use temp. array to compute vertical transport
1442       in flux-form momentum pkg. => change results of few test-exp.
1443      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1444                        lab_sea, natl_box & plume_on_slope
1445    
1446    checkpoint48
1447    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1448    
1449    checkpoint47j_post
1450    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1451    o moved adexch from forward_step to addummy_in_stepping
1452    o added exch in ctrl_map_...
1453    o aveFreq.=0. at end of cost_final to avoid overwrite in
1454      reverse checkpointing loop
1455    o Yet more changes in gmredi:
1456      * adgmredi_calc_tensor
1457        avoiding all recomputation of gmredi_slope_limit
1458      * adgmredi_x/y/rtransport
1459        added flag for excessive storing to avoid recomp. of
1460        u/v/rtans, dTdx/y/z
1461        -> this is not really necessary and very memory-consuming
1462      * adgmredi_slope_psi:
1463        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1464      * gmredi_slope_limit
1465        re-activated full calculation of taperfct for case 'ac02'
1466    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1467    
1468    checkpoint47i_post
1469    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1470    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1471      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1472    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1473    o gmredi: fix few bugs.
1474    
1475    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1476    This will be a good checkpoint to plug into the ecco-branch.
1477    o few modif.'s to get latest version adjointed
1478      (mainly kick out code in ini_linear_phisurf)
1479    o modif's to run adjoint with exactConserv
1480    o case GM_BOLUS_ADVEC should be cleaned
1481      S/R gmredi_slope_psi should be cleaned
1482    o verification/carbon now has exactConserv=.TRUE.
1483    
1484    checkpoint47g_post
1485    o time-average AIM output: becomes independent from statvars time-average
1486      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1487    o After TAF bug fix:
1488      Tested adjoint of gmredi package.
1489      Tests were done with checkpoint47 rather than with latest
1490      checkpoint47f_post since the latter is broken for the adjoint
1491      verification/carbon/ contains both ADM and TLM gradient checks.
1492    Here they are, before they get changed/lost/stolen.
1493    Mostly modif.'s to fix numerical sensitivities.
1494    Gradient checks OK for
1495    - GM_taper_scheme:
1496      * clipping
1497      * ac02
1498      * linear
1499      * glw91
1500      * dm95
1501      * ldd97
1502    - GMREDI_OPTIONS:
1503      * GM_VISBECK_VARIABLE_K
1504      * GM_NON_UNITY_DIAGONAL
1505      * GM_EXTRA_DIAGONAL
1506      * GM_BOLUS_ADVEC
1507    in conjunction with data.gmredi parameters to be checked in
1508    in a few minutes under verification/carbon/code/
1509    
1510    checkpoint47f_post
1511    Merging from release1_p10:
1512    o modifications for using pkg/exf with pkg/seaice
1513      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1514        and SEAICE_EXTERNAL_FLUXES
1515      - pkg/exf CPP options EXF_READ_EVAP and
1516        EXF_NO_BULK_COMPUTATIONS
1517      - usage examples are Experiments 8 and 9 in
1518        verification/lab_sea/README
1519      - verification/lab_sea default experiment now uses
1520        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1521    
1522    checkpoint47e_post
1523    o created a tag prior to creating a branch
1524    
1525    checkpoint47d_post
1526    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1527      at the bottom boundary had an erroneous half slip boundary condition
1528    o added bottom drag and no slip boundary condition capabilities to
1529      oceanic pressure coordinates code
1530    o added new verification experiment global_ocean_pressure, this experiment is
1531      also described in the tutorial section of the manual
1532    checkpoint47d_pre
1533    
1534    checkpoint47c_post
1535    o Added a verification experiment for a global cubed-sphere ocean run
1536      -  verification/global_ocean.cubed32x32x30
1537      -  uses pkg/therm_seaice and pkg/bulk_forcing
1538    
1539    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1540    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1541      when using P-coordinate; only implemented for atmospheric config.
1542    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1543      NOTES: requires option NONLIN_FRSURF to be "#define".
1544    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1545    
1546    checkpoint47b_post
1547    Merging from release1_p9:
1548    o pkg/seaice
1549      - removed GOTO's and added taf directives
1550      - double precision constants to reduce the g77 (Linux)
1551        to F77 (SGI) differences reported in release1_p8
1552    o tools/genmake
1553      - added SGI options
1554    o verification/testscript
1555      - updated to that of checkpoint47a_post
1556    o verification/global_ocean.90x40x15/input/eedata
1557      - modified for SGI f77 compatibility
1558    o verification/lab_sea
1559      - added description of sea-ice model
1560      - added missing matlab routines
1561      - added test of thermodynamics parallelization
1562    
1563    checkpoint47a_post
1564    o new pkg: aim_v23
1565     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1566       for now, keep the same surface forcing as before.
1567     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1568     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1569     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1570    o add diagnostic of surface correction term in monitor output
1571    
1572    o bulk_force and therm_seaice
1573    - Two packages:  bulk_force (Bulk forcing)
1574      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1575    - Earlier integration from Stephaine Dutkiewicz
1576      and Patrick Heimbach.
1577    - Two ifdef statements for compile time,
1578       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1579    
1580    checkpoint47
1581    differentiable version of checkpoint46n_post
1582    o bug fix in quasihydrostaticterms
1583    o * "clean" adjoint code (in terms of extensive recomputations)
1584        can now be obtained for all GMREDI options (i.e. for
1585        - GM_VISBECK_VARIABLE_K
1586        - GM_NON_UNITY_DIAGONAL
1587        - GM_EXTRA_DIAGONAL
1588        - GM_BOLUS_ADVEC )
1589      * However, wrong gradient check problem remains unsolved.
1590      * New CPP options have been introduced for different
1591        tapering schemes
1592    o external_fields_load now part of differentiation list
1593    o pressure needs multiple storing;
1594      would be nice to have store_pressure at beginning or
1595      end of forward_step, e.g. by having phiHyd global (5-dim.)
1596      (NB: pressure is needed for certain cases in find_rho,
1597      which is also invoked through convective_adjustment).
1598    o recomputations in find_rho for cases
1599     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1600    o #define ATMOSPHERIC_LOADING should be differentiable
1601    o ini_forcing shifted to begining of initialise_varia
1602    o Incorporating QNVS line search routines into MITgcm
1603      (this is separate code, and therefore not under pkg)
1604      lsopt/, optim/
1605    o Updated verification/carbon/
1606      - #define GM_VISBECK_VARIABLE_K
1607      - GM_taper_scheme    = 'ldd97'    
1608    
1609    checkpoint46n_post
1610    Merging from release1_p8:
1611    o verification/natl_box:
1612      updating new external_fields_load routine
1613    o New package: pkg/seaice
1614      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1615      The sea-ice code is based on Hibler (1979-1980).
1616      Two sea-ice dynamic solvers, ADI and LSR, are included.
1617      In addition to computing prognostic sea-ice variables and diagnosing
1618      the forcing/external data fields that drive the ocean model,
1619      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1620      The implied surface heat flux is then stored in variable
1621      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1622      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1623      non-local transport term.  Because this call precedes model
1624      thermodynamics, temperature under sea-ice may not be "exactly" at
1625      the freezing point by the time theta is dumped or time-averaged.
1626      N.B.: fairly large differences in accuracy occur across
1627            different platforms/compilers; comparison between
1628            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1629            generated output gives:
1630       T           S           U           V
1631      C D M    c        m  s        m  s        m  s        m  s
1632      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1633      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1634      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1635    
1636      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1637    o GAD:
1638      - generated new common blocks to account for call of
1639        same gad routines with differing traceridentities
1640        (needed to modify tracerIdentity indices in GAD.h)
1641      - generated separate common blocks for case useCubedSphereExchange
1642        (Department of Futurology)
1643      - parameter lists to gmredi_?transport: added tracerIdentity
1644      - added new key indices to tamc.h
1645    o external_fields_load:
1646      - added this routine to TAF list
1647      - needed to make some common blocks global and additional storing
1648        along the same lines as exf package (checkpoint_lev?_directives.h)
1649    o exf:
1650      updated external forcing package
1651      - bug fixes carried over from ecco-branch
1652        (missing OBCS_OPTIONS.h in two routines)
1653      - enable easy to use "no forcing".
1654      - added exf I/O for atmospheric loading
1655      - added exf I/O for runoff data
1656      - transfered scaling between exf <-> MITgcm to exf namelist
1657    o Adding new verification experiment global_with_exf.
1658      This verification experiment is almost identical to the
1659      global_ocean.90x40x15 experiment, except that it uses
1660      the exf (and cal) package instead of the
1661      external_fields_load routine (cf README file).
1662    
1663    checkpoint46m_post
1664    o modified testscript to return -- when there are no lines of "%MON" output
1665    o added new flag "quasiHydrostatic" for QH mode
1666      and new routine quasihydrostaticterms()
1667    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1668      New routine: mom_u_coriolis_nh()
1669    o fixed sign of non-hydrostatic metric terms in u and v equations.
1670      Depend on correct sign of gravitySign.
1671    o added work.pc* to .cvsignore in aim directories using ifc
1672    o introduced flag for controllin non-hydrostatic metric terms
1673    o removed gravitySign from PARM04
1674    o switched to g77/ifc from pgf77 in aim experiments
1675    
1676    checkpoint46l_post
1677    o made convective adjustment work with pressure coordinates:
1678     - changed the direction of k-loop in convective_adjustment.F for the
1679       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
1680     - adjusted the reference pressure k-index in convective_adjustment.F
1681     - adjusted the convection condition in convect.F (in analogy to
1682       calc_ivdc.F)
1683     - convective_adjustment no longer computes anything on the halos
1684     - removed the warnings about negative salinity from find_rho.F and
1685       find_alpha.F; instead the new routine look_for_neg_salinity, called
1686       at the beginning of find_rho, find_alpha, and find_beta, does a
1687       check of the entire slice, if CPP-option
1688       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
1689    checkpoint46l_pre
1690    
1691    checkpoint46k_post
1692    o fixed the verification/global_ocean.90x40x15 experiment:
1693     - new bathymetry (the world according to A., JMC, and M.)
1694     - new initial fields and forcing fields (*.bin files)
1695     - new POLY3.COEFFS (for the next release one should switch to a full
1696       equation of state: JMD95P or MDJWF)
1697     - fixed several errors and redundancies in the data file
1698     - experiment uses looped cells
1699     - added matlab directory with diagnostic scripts for plotting of output
1700    
1701    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
1702     - read AIM physics parameters from a file (data.aimphys)
1703     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
1704    
1705    checkpoint46j_post
1706    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
1707    o move wVel computation at the end of the time step, in S/R integr_continuity
1708    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
1709    o update timeave pkg for wVel diagnostic.
1710    checkpoint46j_pre
1711    
1712    checkpoint46i_post
1713    o Clean up AIM package (and keep the results unchanged):
1714      include CPP_OPTION and use IMPLICT NONE in all routines ;
1715      declare all the variables _RL ; use _d 0 for all numerical constants.
1716      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
1717    
1718    checkpoint46h_post
1719    o cleaned up the use of rhoNil and rhoConst.
1720      - rhoNil should only appear in the LINEAR equation of state, everywhere
1721        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
1722        and the dynamical equations are all divided by rhoConst
1723    o introduced new parameter rhoConstFresh, a reference density of fresh
1724      water, to remove the fresh water flux's dependence on rhoNil. The default
1725      value is 999.8 kg/m^3
1726    o cleanup up external_forcing.F and external_forcing_surf.F
1727      - can now be used by both OCEANIC and OCEANICP
1728    checkpoint46h_pre
1729    
1730     Added code to convert surface volume flux (fresh water) into
1731     a mass flux when using P coordinates in the ocean (OCEANICP).
1732     Note: It assumes you have set rho0=rhoConst=density of fresh water.
1733    
1734    checkpoint46g_post
1735    o Include a new diagnostic variable phiHydLow for the ocean model
1736      - in z-coordinates, it is the bottom pressure anomaly
1737      - in p-coordinates, it is the sea surface elevation
1738      - in both cases, these variable have global drift, reflecting the mass
1739        drift in z-coordinates and the volume drift in p-coordinates
1740      - included time averaging for phiHydLow, be aware of the drift!
1741    o depth-dependent computation of Bo_surf for pressure coordinates
1742      in the ocean (buoyancyRelation='OCEANICP')
1743      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
1744        Theta, Salinity, and Pressure in the parameter list. This routine is
1745        presently contained in find_rho.F. This routine does not give the
1746        correct density for 'POLY3', which would be a z-dependent reference
1747        density.
1748    o cleaned up find_rho
1749      - removed obsolete 'eqn' from the parameter list.
1750    o added two new verification experiments: gop and goz
1751      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
1752    checkpoint46g_pre
1753    
1754    checkpoint46f_post
1755    o Enable tangent linear (forward mode) gradient checks:
1756      - extended active file handling to g_... files
1757      - added TANGENT_SIMULATION to theSimulationMode
1758      - extended grdchk package accordingly
1759    o added tangent linear setup in verification/carbon/code_ftl
1760    o added adjoint setup in verification/front_relax/code_ad
1761    
1762    checkpoint46e_post
1763    o Added new equation of state -> MDJWF
1764      - EOS of McDougall et al., 2002, JAOT, submitted
1765      - caveat: the equation of state is only valid for a smaller (more
1766        realistic?) range of values than JMD95P/Z and UNESCO
1767      - added masks to the calculation of pressure in store_pressure
1768      - added more check values for density in check_eos (ini_eos.F), some of
1769        the old check values are out of the range of the MDJWF-eos, so don't
1770        expect perfect matches for those
1771    checkpoint46e_pre
1772    
1773    checkpoint46d_post
1774    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
1775      'OCEANICP', also initialised field pressure correctly in ini_eos in the
1776      case of pressure coordinates. eosType='JMD95Z' in
1777      combination with buoyancyRelation='OCEANICP' now causes an error.
1778    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1779      in find_alpha/beta.
1780    checkpoint46d_pre
1781    
1782    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1783      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
1784    
1785    checkpoint46c_post
1786    o Changes necessary for ocean in p-coordinates
1787     -  Added new buoyancy relation = 'OCEANICP'
1788     -  Added new parameters = gravitySign (this used to be contained inside
1789        the factor dRdZ which I added when we first switched to R coordinates).
1790     X GM/Redi is not compatible (yet)
1791     X bottom drag and no-slip need to be debugged.
1792    checkpoint46c_pre
1793    
1794    checkpoint46b_post
1795    o Added new equation of state -> JMD95Z and JMD95P
1796      - EOS of Jackett and McDougall, 1995, JAOT
1797      - moved all EOS parameters into EOS.h
1798      - new routines ini_eos.F, store_pressure.F
1799    o Added UNESCO EOS, but not recommended because it requires
1800      in-situ temperature (see JMD95)
1801    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1802      unesco.f to be used with POLY3
1803    checkpoint46b_pre
1804    
1805    checkpoint46a_post
1806    o Added (atmospheric) pressure loading
1807      - new field in FFIELDS.h, etc...
1808      - new cpp flag ATMOSPHERIC_LOADING
1809    o Changed hFacC to _hFacC in calc_phi_hyd.F
1810    o Added SHORTWAVE_HEATING to some files for consistency
1811    checkpoint46a_pre
1812    
1813    checkpoint46
1814    further merges from release1_p5
1815    o new ctrl package
1816      - adopted from ECCO environment to enable optimization
1817      - added Eliassen Palm fluxes to controls
1818    o added Eliassen Palm flux controls to gradient check package
1819    o cost package
1820      - Compatible with new ctrl package
1821      - added Eliassen Palm cost hooks
1822      - modif's of existing cost functions
1823    o Adjoint-related bug fixes in kpp:
1824      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1825      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1826    o autodiff package
1827      - flow directives:
1828        + new for S/R do_the_model_io
1829        + enhanced for S/R checkpoint
1830        + new gmredi.flow
1831      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1832        disable adcommon.h/g_common.h by default.
1833      - fixed problem for adjoint of global_max
1834    o modified verification/carbon/
1835    o New setup for adjoint of global_ocean
1836    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1837    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1838    o incorporated hooks for sponge layer code (external_forcing.F)
1839    
1840    checkpoint45d_post
1841    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1842    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1843      (affects plume_on_slope "cg2d" output)
1844    o add new parameter deltaTfreesurf for free-surface time stepping
1845    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1846    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1847    o change phiMin in exp1 (to agree with documentation)
1848    o add new flags:
1849     - T,S forcing inside/outside Adams-Bashforth
1850     - turn off temp,salt advection and/or forcing
1851     - for each tracer, define internal flag for multiDimAdvection & A-B
1852    o monitor: change definition of KE to check conservation of Energy
1853    
1854    checkpoint45c_post
1855    o Removed f90 comments ("!")
1856    o Modified initialisations to enable exf package for MITgcm
1857      (without invoking ECCO_PACKAGE).
1858    o modifications to gradient check package (Martin Losch)
1859      - enable centered differences
1860      - modified format of standard output
1861    
1862    checkpoint45b_post
1863    o cleaned exchange calls in cg2d
1864    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1865    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1866      to configure barotropic setup (Martin Losch)
1867    o moved some initialisations within bi,bj loop in dynamics
1868      (TAF flow dependency)
1869    o in initialise_varia, moved call packages_init_variables
1870      before convective_adjustment_init
1871      (corresponding adjustment of TAF tape initialisation).
1872    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1873    
1874    checkpoint45a_post
1875    o compute Rho over the whole domain (extend iMin,jMin indices)
1876    o specific exchange for X-slice domain (case Ny=1)
1877    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1878    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1879    
1880    checkpoint44h_post = checkpoint45
1881    o Fix to restore differentiability:
1882      place at which packages_init_variables is called in
1883      initialise_varia is crucial for reverse control flow.
1884    o modifications in GMRedi to enable stable adjoint
1885      (corresponding modif's in thermodynamics, dynamics)
1886    o added missing hook for sponge layer code in external_forcing
1887    o modified test cost functions
1888    o storing in gad_advection (plus removal of write(0,*)!
1889    o missing headers TR1.h added in convective_adjustment routines
1890    o errorMessageUnit set non-equal zero in eeboot
1891      (conflict on some platforms, e.g. IBM SP3)
1892    o modified carbon verif.
1893    
1894    checkpoint44h_pre
1895    o vertical grid option: allow to put the Interface at the middle between
1896      2 cell-centers ; replace delZ in pkg/kpp by drF.
1897    o GM Advective form: Tracers are advected using the residual transport (=
1898      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1899    
1900    checkpoint44g_post
1901    o fix surface correction term in multiDimAdvection (affects plume_on_slope
1902      results) ; ifdef missing in thermodynamics.F
1903    
1904    checkpoint44f_pre,checkpoint44f_post
1905    o added PTRACERS package
1906      This allows an arbitrary number of passive tracers to be integrated
1907      forward simultaneously with the dynamicaly model.
1908      + Implemented so far:
1909        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1910        - I/O and checkpointing
1911        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1912      + Not implemented so far:
1913        - KPP
1914        - OBCS
1915      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1916        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1917        line in data.pkg.
1918      + This package is disabled by default since it increases storage.
1919    
1920    
1921    o testscript: added -cleanup option
1922    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1923                 b) enable to filter 2D fields.
1924    
1925    checkpoint44e_pre,post
1926    o re-wrote convective adjustment to use pre-calculated weights
1927      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1928      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1929      Original calls to convect() still in place.
1930    
1931    chkpt44d_pre,post
1932    o added missing EXCLUDE_MONITOR flags
1933    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1934      (incompatible typ in MIN/MAX expressions caused problems
1935      on IBM SP3)
1936    o in genmake added variable MAKEDEPEND
1937      plus resetting for case SunOS
1938    o added timer_stats.c routine for IBM SP3
1939    o removed variables in dynamics
1940    !!! I forgot to create tag chkpt44d_pre !!!
1941    !!! But chkpt44d_pre = chkpt44c_post    !!!
1942    
1943    o real fresh water flux implemented with non-linear free-surface.
1944    
1945    chkpt44c_pre,post
1946    o few fix (mask in shap_s2, EmPmR in external_field_load,
1947      USE_NATURAL_BCS in solve_for_P);
1948    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1949    
1950    checkpoint44b_pre/_post
1951    o merge of relevant stuff from the ecco-branch:
1952      - genmake: removed $S64 overwrite for case SunOS
1953      - pkg/exf: update and corrections for field swapping and obcs
1954      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1955                  harmonized between ECCO and MITgcm
1956      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1957                      updated checkpointing_lev... lists for obcs
1958      - model/src: minor changes in forward_step, plot_field
1959                   added directive for divided adjoint in the_main_loop
1960      - pkg/mdsio: added mdsio_gl_slice
1961    
1962    o check parameters & config (chkpt44a_pre,post)
1963    o OBC and NonLin_FrSurf.
1964    
1965    checkpoint44
1966    o fix bug in mom_vi_del2uv
1967    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1968    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1969    o update AIM experiments (NCEP input files)
1970    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1971    o added some stuff for AD
1972    
1973    checkpoint43
1974    o added two new advection tests
1975    o added global 4x4 degree ocean test
1976    o added test of H&S94 with free surface on cube
1977    o some final mods for gradient check, adjoint,...
1978    
1979    checkpoint42
1980      Fixed AD-related problems:
1981    o Store directives up-to-date with re-arranged Adams-Bashforth
1982      (mainly thermodynamics.F)
1983    o New store directives for multi-dim. advection schemes
1984      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
1985      * new common block and key passkey
1986      (mainly gad_advection.F)
1987    o Modified store directives for split of dynamics/thermodynamics
1988      for the case ALLOW_KPP
1989    o Cleaned argument list for timestep_tracer.F
1990    
1991    checkpoint41
1992    o re-formatted/added comments in prologues of key subroutines
1993      to work with protex
1994    
1995    checkpoint40
1996    o moved calc_gs, calc_gt and calc_tr1 back to model/src
1997    o added FLT (floats) package from Arne along with demo. experiment
1998    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1999      implementation of forward-in-time forcing terms
2000    o more mods for non-linear free-surface including new variable
2001    o modified multi-dim method to work on cube
2002    o bug fix in KPP (from DM)
2003    
2004    checkpoint40pre9
2005    o added DST advection schemes
2006    o fix MPI bug on SGI's
2007    o modifications for non-linear free-surface
2008    o fixed conditionals for fixed flow/passive tracer only mode
2009    o added tension/strain form of stress tensor
2010    o changes to commenting of arguments for TAF/TAMC
2011    o added/updated many matlab scripts
2012    o added multi-dimensional advection method for tracers
2013      
2014    checkpoint40pre8
2015    o new package rw/
2016      Added method for dumping intermediate local arrays:
2017      mdsio_writetile - same as mdsio_writefield except works from inside
2018                        bi,bj loop
2019      mdsio_writelocal - same as mdsio_writetile except works for local
2020                         arrays
2021      write_local_r? - higher-level wrapper for mdsio_writelocal
2022      Controlled by diagFreq. Defaults to zero (ie. no dumps)
2023      Example given at end of mom_vecinv.F that dumps some local arrays.
2024    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
2025      control flux-form versus vector invariant code.
2026      Switch is runtime flag vectorInvariantMomentum (defaults to false)
2027      or genmake -DISABLE ...
2028    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
2029      (additional storing is now needed for case vecinv;
2030      currently nothing implemented to switch this storing off
2031      in case fluxform is used since no CPP flag available).
2032    
2033    checkpoint40pre7
2034    o bug fix in dynamics.F
2035      calc_viscosity called before k=1,Nr loop.
2036    o added some #ifdef's ALLOW_PASSIVE_TRACER
2037    o cleaned initialisations in ctrl_map_ini
2038      related to TAF
2039    
2040    checkpoint40pre6
2041    o split dynamics into thermodynamics & dynamics
2042    o corresponding split of calc_diffusivity into
2043      calc_diffusivity, calc_viscosity
2044      (kpp_calc_diff, kpp_calc_visc).
2045    o Added diffkr, kapgm to control variables
2046    o bug fix in gmredi_slope_limit for ldd97
2047    
2048    checkpoint40pre5
2049    o proper initialization of Adams-Bashforth time stepping
2050      + uses forward step for very first step of model (iter=0)
2051    o re-generated *all* output since almost all output is modified by this
2052      change (sorry but we've been putting this one off for about 2 years)
2053      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
2054        *not* regenerated since they are already out of date and I don't
2055        want to create the impression that they are suddenly working.
2056    o removed KAP stuff for DEC's
2057    o modified/added many .cvsignore files in */code and */input
2058    o added new expt "solid-body.cs-32x32x1"
2059      + this uses an alternative form of ini_curvilinear_grid.F which
2060        is not necessarily any better than the current one...
2061    
2062    checkpoint40pre4
2063    o added re-initialisations of utrans,vtrans,rtrans in
2064      calc_common_factors which are crucial for TAF.
2065    o extended iMin,jMin range for calc_common_factors,
2066      calc_diffusivity
2067    o added option ALLOW_PASSIVE_TRACER
2068    o a few minor updates and fixes
2069    
2070    checkpoint40pre3
2071    o created calc_gtr1.F for gad package
2072    o split the_main_loop and re-introduced forward_step
2073    o some recomputations of nIter0 for TAMC
2074    
2075    checkpoint40pre2
2076    o Updated to latest branch of AJA, JMC
2077    o Added gradient check package
2078    o Added routines for passive tracer handling
2079    o Added carbon sequestration sensitivity experiment
2080    
2081    checkpoint39
2082     o Modifications and fixes to support TAMC
2083       (mainly missing or wrong directives)
2084     o Corrected common blocks when fooling TAMC to produce adjoint I/O
2085       in addummy_in_stepping
2086     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
2087     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
2088     o Included following packages:
2089       cal: calendar
2090       exf: external forcing
2091       ecco: essential routines to control use of cal, exf
2092             (NB: this is not the full ECCO environment)
2093     o disabled some packages by default in genmake
2094    
2095    checkpoint38
2096     o see notes_c37_adj.txt
2097     o corrected wrong layer index in external_forcing_t
2098     o replaced the_main_loop/forward_step by the_main_loop
2099     o removed forceoutput from write_state
2100       (replaced criteria for initial/final state)
2101     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
2102    
2103    checkpoint37
2104     o mdsio.F routine split and packaged in pkg/mdsio
2105       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
2106        used unless genmake -disable=mdsio)
2107     o allow a more precise surface-geopotential gradient for the atmosphere
2108       taking into account the change in space of Alpha (=1/rho) at the surface.
2109     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
2110       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
2111     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
2112       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
2113       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
2114     o Time-Average diagnostics defined as a pseudo package "timeave".
2115     o pickup files : old pickup (before c35) did not work with new code (c35
2116       and after) unless activating 2 commented lines in initialise-varia.
2117     o Non-Hydrostatic pickup file Pb fixed.
2118     o bug with Rigid-lid version (since c35) fixed.  
2119    
2120    checkpoint36
2121     o implement Crank-Nickelson barotropic time-stepping
2122     o recover Time-Average diagnostics
2123     o fix Pb in checkpoint (PR#19)
2124     o AIM become a standard package ; clean unused CPP_kees
2125    
2126    checkpoint35
2127     o subtantial rewrite of dynamics.f
2128     o allows staggered time-stepping
2129     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
2130     o added bottom drag (linear + quadratic)
2131    
2132    checkpoint34
2133     o Modified exchange routines for correct reverse simulation.
2134     o Added verification output to comply with bug fix in impldiff.F
2135       as of c33 (exp2, natl_box).
2136     o Corrected store directives in dynamics.F
2137     o Corrected array boundaries in impldiff.F
2138     o Corrected array dimensions in gmredi.
2139       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
2140     o Added routine GLOBAL_SUM_INT to global_sum.F
2141     o Added mdsio_gl.F for ECCO purposes.
2142    
2143    checkpoint33
2144     o Fixed bug in lower BC in impldiff.F
2145     o Fixed confusion about units of forcing arrays in FFIELDS.h
2146       namely Fu,Fv,Qnet,Qsw,EmPmR:
2147       - Removed verification/natl_box/code/external_fields_scale.F
2148         (did not differ from that in model/src)
2149       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
2150         (see FFIELDS.h for description)
2151       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
2152         kpp_calc.F and kpp_transport_t.F
2153       - Removed model/src/external_fields_scale.F and calls to it
2154       - verification/natl_box uses flux data with "atmospheric" sign so
2155         a special version of external_fields_load.F is used to
2156         change the data as it's read in. This way, the arrays
2157         have the right units and signs at all times tha a user could
2158         possibly use them.
2159     o Corrected genmake to delete a temporary file during configuration
2160    
2161    checkpoint32
2162     o Scaling of forcing fields moved from external_forcing.F to
2163       external_fields_scale.F, called directly after loading fields.
2164     o Surface relaxation terms added to surface tendency fields in
2165       extra subroutine.
2166     o impldiff.F changed to avoid storing by TAMC of huge intermediate
2167       fields.
2168     o Changes in GMRedi to comply with packaging structure.
2169     o Modifications and bug fixes in KPP package.
2170     o Verification experiment for KPP added (verification/nat_box/)
2171    
2172    checkpoint31
2173     o Packages interface brought in line with defined standard
2174       -> new routines packages_...F
2175       -> changes in initialise_fixed.F, initialise_varia.F
2176       -> enables initialisation interface for ECCO package
2177     o Rescaling of external forcing fields immediately after read
2178       (removed from external_forcing.F)
2179       -> new: surface_fields_scale.F
2180       -> affects ini_foorcing.F, external_fields_load.F
2181     o Computation of surface tendencies before tendency updates.
2182       -> new: external_forcing_surf.F
2183     o Change of variable names useGMRedi, useKPP, useECCO
2184     o Further changes in dynamics.F, impldiff.F for TAMC
2185     o Tested for experiments 0, 2, 4.
2186       - not yet tested for GMRedi.
2187       - not yet tested for KPP.
2188    
2189    checkpoint30
2190     o Updates for OBCs
2191     o New experiment for test OBCs (internal_wave)
2192     o New output.txt in verification/exp4/results/
2193     o Updates for KPP: calculation of viscosity corrected, new variables
2194       kpp_dumpFreq and kpp_taveFreq
2195     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
2196       and entry for T90 in genmake
2197    
2198    checkpoint29
2199     o packaged KPP and GM/Redi
2200    
2201    checkpoint28
2202     o Corrected initialization of hFacMin for difference vertical coordinates
2203     o Modified calculation of partial cell thickness to more robust algorithm
2204     o config_summary.F: replaced write_1D_... by write_0D_...
2205       read_write.F: added subroutines write_0D_...
2206     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
2207       included some initialisations required for TAMC.
2208     o routine calc_isoslopes: modified sqrt computation to make it
2209       differentiable for zero argument.
2210     o routines dynamics, impldiff:
2211       included store directives and tape key computations required for TAMC.
2212     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
2213    
2214    checkpoint27
2215     o fixed calc_isoslopes() to so that cancellation of terms in tensor
2216       formulation works properly with variable resolution.
2217     o restructured the calling tree between the_model_main() and dynamics()
2218     o split initialise() into initialise_fixed() and initialise_varia()
2219     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
2220       in new routine ini_psurf()
2221    
2222    checkpoint26
2223     o moved some #ifdef in optional routines to encompass everything
2224       except the argument declarations. This was using up some memory.
2225     o fixed macros like _ADT to work with both versions of Linux cpp
2226     o cleaned up some unused and uninitialized variables
2227       (helps when debugging with strict compile options)
2228     o split up CPP_EEOPTIONS.h into options and macros
2229       (macros are now in eesupp/inc/CPP_EEMACROS.h)
2230     o patch for 2 processor JAM mode
2231    
2232    checkpoint25
2233     o updates for OBCs and NH
2234     o dramatically reduced memory usage
2235     o added "JAM" routines for use on Artic network
2236     o parameterization of convection by implicit vertical diffusion
2237     o added a diagnostic of convective index
2238     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
2239       (this is was partly for OBCs and NH but also in anticipation of
2240        an explicit free-surface option)
2241     o initial state input files for U and V
2242    
2243    checkpoint24
2244     o Removed some spurious "REAL"s
2245     o Updated KPP to latest version from JPL
2246     o Added a COS(latitude) in horizontal viscosity
2247    
2248    checkpoint23
2249     o Added del^4 diffusion for salt and temperature
2250     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
2251    
2252    checkpoint22
2253     o Made many small changes: implicit none, format(i5), etc...
2254     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
2255    
2256    checkpoint21
2257     o Introduced new I/O package that supports direct-access records (mdsio.F)
2258     o Split-up mid-level I/O routines
2259     o Updated input data for experiments 0,1,2,4 and 5
2260     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
2261    
2262    checkpoint20
2263     o Tidied up open-boundaries some more
2264     o Added non-hydrostatic code
2265     o Fixed some input data
2266     o Modified MPI start-up to work in "coupled" context.
2267    
2268    checkpoint19
2269     o Tidied up directory structure for verification experiments.
2270     o Added new code for open boundaries.
2271     o Corrected advective terms near boundaries.
2272     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
2273     o Implemented free-slip/no-slip BCs and del^4 dissipation.
2274     o Split default parameters out of ini_parms.F into set_defaults.F.
2275    
2276    checkpoint18
2277     o Further changes for optional code generation with
2278       CPP - ugh!
2279    
2280    checkpoint17
2281     o Beginning to incorporating modularity
2282       for supporting atmos. and ocean configs.
2283     o Small changes for TAMC complinace
2284     o New ultra simple test case. Barotropic box
2285       configuration "exp0".
2286    
2287    checkpoint16
2288     o Minor changes to exchange routines to support
2289       accumulation in reverse mode. Adjoint of an
2290       assignment is an addition.
2291     o Changes to support compilation by TAMC (LR(1)
2292       syntax) and by g77 under Linux ( 72 character
2293       limit ).
2294    
2295  checkpoint15  checkpoint15
2296   Rewrote exchange routines to allow   Rewrote exchange routines to allow
2297   o General tile <-> tile connectivity.   o General tile <-> tile connectivity.

Legend:
Removed from v.1.14  
changed lines
  Added in v.1.488

  ViewVC Help
Powered by ViewVC 1.1.22