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revision 1.106 by jmc, Sat Nov 23 22:39:36 2002 UTC revision 1.547 by edhill, Wed Sep 14 17:57:54 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o In response to JMC's bug report, genmake2 now ignores any soft-links
8      that it finds in the *current* directory when searching for files.
9      Soft-links found in any other source directories will still work as
10      they did before.
11    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
12      a C routine to unlimit the stack size
13    o mnc-ify pkg/aim snapshot vars
14    o mnc-ify pkg/land as requested by Daniel
15    o various changes to mnc including:
16      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
17      - output can now be grouped so that all files within a group
18          change the ITER portion of their names in lock-step together
19      - can now read ("global") PER-FACE (in addition to PER-TILE) files
20          and works with both EXCH1 and EXCH2 (but needs more testing)
21      - writing works for all verification test cases w/ g77 on Linux
22    
23    checkpoint57r_post
24    o make MNC variable initialization happen earlier
25    o add diagnostics for (almost) each term of the momentum Eq.
26    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
27    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
28    o remove MINIMAL_TAVE_OUTPUT option ;
29      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
30    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
31      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
32    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
33    o add time-dependent SST, SSS control
34    o cost terms in ecco/ modularized (new cost_generic.F)
35    o cost_averages routines are modularized (new cost_averagesgeneric.F)
36    o new infrastructure for seaice model vs. obs misfits in seaice/
37      * driver from the_main_loop.F is seaice_cost_driver.F
38      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
39      * gradient check in Exp. 6a of natl_box_adjoint/
40    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
41      (see README file)
42    
43    checkpoint57q_post
44    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
45    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
46      - bug was reported by Jean-Michel and Ian Fenty
47    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
48      update exp. cpl_aim+ocn output.
49    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
50      Needed for high-res. runs with large global files
51      to be able to limit tapelev size
52    o Changed some tests for adjoint:
53      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
54      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
55      * global_ocean.90x40x15/ back to default 3-level checkpointing
56    o Modifications to enable scripted COMMON to MODULE conversion
57      * verification/OpenAD/code/ has necessary scripts and description;
58      * converts, compiles and runs successfully;
59    
60    checkpoint57p_post
61    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
62    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
63      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
64    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
65    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
66      (was already the case for dissipation with mom_vecinv,
67       and also the case for grad.PhiHyd when staggered-timeStep)
68      This will allow to put dissipation out-off the AB time-stepping.
69     Unfortunately, affects truncation error. Update output of exp. that "fails"
70      (cg2d matching number) and leave the others for later: front_relax(10),
71      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
72      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
73    
74    checkpoint57o_post
75    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
76      (2) its ready to be documented during the 20050801 DocFest
77    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
78      for ideal_2D_oce and lab_sea on linux_ia32_g77
79    o set to #undef CTRL_SET_OLD_MAXCVARS_30
80      in global1x1_tot/code_seaice_adj to access indices 32, 33
81      (worth another tag)
82    
83    checkpoint57n_post
84    o adding precip control xx_precip 32
85    o adding swflux control xx_swflux 33
86    o Replacing 10 forcing penalty cost routines by 1 generic.
87    o Implementing partitioning in time-mean and variable adjustment
88      for atmos. state.
89    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
90    o in natl_box_adjoint:
91      * updated exp 1 to 10
92        (but does not have time-mean vs. variable split results yet)
93    o updated global1x1/*_seaice_adj/
94      to incorporate latest changes
95    o enable useSingleCpuIO for mdsio vector routines
96      (applies in particular to tapelev I/O)
97    o removed inefficient K-loop in all active_file*control*.F
98    
99    checkpoint57m_post
100    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
101      and advect_cs (use EXCH-2 and standard cs-32 grid files).
102    o pkg/exch2: filling of face-corner halo regions is optional
103      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
104    
105    checkpoint57l_post
106     tag before updating tutorials (pre-release-2)
107    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
108       for output and interpolation of input fields onto model grid)
109    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
110       Affects results of exp. rotating_tank ; update output.txt.
111    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
112          and taking the square quantity and/or using a fraction-weight field.
113    o fix aim_diagnostics_init.F mate numbers.
114    o add mnc output capability to diagnostics/diagstat and update
115      our cvsignore files for the ACSII output generated
116    
117    checkpoint57k_post
118    o lab_sea now uses diagnostics package and provides a suite of
119      new EXF diagnostics output.
120    
121    checkpoint57j_post
122    o exf
123      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
124        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
125        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
126      * extended diagnostics output
127        - now includes all EXF variables
128        - hs, hl moved to common block
129        - separate S/R for diagnostics, called after ctrl vector is added
130        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
131        - EXFqnet contains true Qnet (i.e. includes qsw)
132      * updated verif. lab_sea, global_with_exf
133      * Rearranging hflux (exf_mapfields -> exf_getforcing)
134        to ensure that diagnostics sees a true EXFqnet
135    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
136    o diagnostics pkg: change pointers so that 1 diagnostic can be used
137      several times with different frequencies.
138    o mnc-ify the thsice package as requested by Daniel Enderton
139      - the monitor--MNC output needs work
140      - many attributes need to be added (most are currently blank)
141    o mnc-ify theaim_v23 package as requested by Daniel Enderton
142      - many attributes need to be added (most are currently blank)
143    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
144    o add Sadourny like discretization to the 4th.O vorticity advection scheme
145    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
146      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
147         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
148    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
149     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
150    
151    checkpoint57i_post
152    o Diagnostics package was changed: diagnostic allocation is now deactivated
153      by setting an empty file name in the namelist (used to be by setting 0 frequency)
154    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
155      add 1rst Order upwind vertical Shear.
156    o add a quick fix for A/B checkpointing in OFFLINE mode
157    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
158      end-run around the C/Fortran linking horror in eesup/src/timers.F
159    o added pkg/runclock: allows user to terminate run based on wall clock
160    o added non-hydrostatic scaling parameter: nh_am2
161    o pkg/my82: futile attempt to make results compiler-independent by adding
162      some "_d 0", etc. no effect.
163    o for mnc output, fill the 'T' coordinate var with myTime and create a
164      separate 'iter' variable for iteration count
165    o pkg/diagnostics:
166      add new capability: output of Global/Regional & per-level statistics ;
167      tested against monitor output (including land & thSIce) on various exp.
168    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
169    
170    checkpoint57h_done
171      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
172      data.diagnostics, data.gchem, data.ptracers) is done.
173    
174    o pkg/diagnostics: prepare for Global/Regional statistics.
175      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
176    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
177      and rename it: DIFFERENT_MULTIPLE
178    
179    checkpoint57h_post
180    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
181    o pkg/diagnostics: change output frequency, now in seconds (instead
182      of Nb of iterations). This requires to change data.diagnostics.
183    checkpoint57h_pre
184    
185    o in mnc, let the user create the output dir if both mnc_outdir_date
186      and mnc_outdir_num are false
187    o add fflags() to pkg/diagnostics which allows one to specify, on a
188      per-file basis, the file precision [default behavior is unchanged]
189    o added diagnostics to pkg/kpp, including computation of mixed layer
190      depth based on a temperature/density criterion
191    o updated verification/natl_box to test the new pkg/kpp diagnostics
192    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
193    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
194    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
195      not mnc -- this mistake was found by JMC and is now corrected
196    
197    checkpoint57g_post
198    o add Adams-Bashforth 3rd Order time stepping:
199      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
200      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
201    checkpoint57g_pre
202    
203    o make lambda[Theta,Salt]ClimRelax spatially varying
204      (default remains spatially uniform constant based on tau)
205    o added new control variables
206      * init. uVel, vVel, etanN
207      * lambda[Theta,Salt]ClimRelax
208    o separate masks used for ctrl_pack/unpack 'from write_grid' output
209      (suggested by G. Forget)
210    
211    checkpoint57f_post
212    o add parameter "baseTime" = model base time = time at iteration zero
213      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
214      account for baseTime shift
215    o move Coriolis arrays from PARAMS.h to GRID.h
216    checkpoint57f_pre
217    
218    o mnc-ifying the seaice package
219    o introduced an alternative length scale calculation for use in the limiting
220      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
221    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
222    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
223      as well as grad(vort3).  Made it compatible with both approximate form
224      for the cubed sphere and full form of these gradients.  Added flag
225      useFullLeith to select between approximate and full form.  
226    o add "d0" in getcon.F to reduce differences between compilers/platforms
227      update output.txt of exp. fizhi-gridalt-hs
228    o change port_rand funtion to allow to set the seed.
229    o fix obscure MNC bug involving conversion between reals and integers
230      - it caused no problems with certain (eg. gcc, ifc) compilers but the
231        new version is now more standards-compliant
232    o adjoint-related modifications
233      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
234      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
235      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
236    
237    checkpoint57e_post
238    o Adding eddy stress controls a la Ferreira et al.
239    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
240    
241    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
242      update output.txt of exp. fizhi-gridalt-hs
243    o add more "Z" dimensions and associated coordinate vars to MNC
244    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
245    o parameter calendarDumps: when set, approximate months (30-31 days) and years
246      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
247      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
248      months and years.  Requires pkg/cal.
249    o diagnostics: add pickup functionality
250      - off by default for backwards compatibility
251      - current version only uses MDSIO -- MNC will be added
252    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
253    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
254    
255    checkpoint57d_post
256    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
257    o modify verification/ideal_2D_oce so that it tests the creation of mnc
258      output from the diagnostics package
259    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
260    o make genmake2 more portable by using ".$FS" instead of ".f" for more
261      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
262    o add coordinate variables to the MNC output from the diagnostics package
263    o change MNC-flags default value: true when useMNC=TRUE
264    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
265      the ability (off by default) to read the grid information using MNC
266    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
267    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
268    o do snap-shot diagnostics at the middle of the time-interval (instead of
269      at the end).
270    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
271      new test for AIM with thSIce + slab-ocean
272    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
273    o move state variable diagnostics to the beginning of the time step ;
274      (note: still needs some work specially for snap-shot diagnostics)
275      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
276    
277    checkpoint57c_post
278    o Change testing option (-ieee) to get closer agreement between g77 & ifort
279    o generate new output.txt files on faulks with g77 & the new -ieee option
280    checkpoint57c_pre
281    
282    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
283      update output.txt of exp. global_ocean.90x40x15
284    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
285      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
286    o add saltFlux(+File) forcing capability with periodicExternalForcing
287    o allow to use pkg diagnostics for GM-Redi & ThSIce output
288    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
289    o improvements for the MNC output from DIAGNOSTICS:
290      - correct handling of the unlimitied dimension
291      - all dims now have associated coordinate variables
292      - variables located at U, V, and Corner ("Z") points are now written
293        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
294        *all* data points are output
295    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
296    o added pkg/seaice/seaice_monitor.F
297    o mdsio_readfield.F can now read files visible only to master MPI process.
298    o pkg/seaice: some test code for ice-modified ocean stress
299    o exf_getffields interpolation defaults to bilinear for all scalar forcing
300      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
301      spurious negative numbers for precipitation and humidity.  Will cause
302      some small numerical differences for integrations using pkg/exf/exf_interp.F.
303    o pkg/ctrl/
304      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
305        May be enabled via doPackDiag
306      *  introduce z-scaling of
307         + gradient (doZscalePack) and
308         + control (doZscaleUnpack)
309    o pkg/mdsio/
310      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
311      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
312    
313    checkpoint57b_post
314    o simplify options in diagnostics_fill arguments (remove weird combinations)
315    o fix MNC coordinate variables so that they now contain per-face index
316      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
317      general, EXCH2 grids are only aligned to a "local" coordinate system
318    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
319    o Implement instantaneous output within pkg diagnostics:
320      setting a negative frequency in data.diagnostics produces
321     "snap-shot" output (as opposed to time-average if freq > 0)
322    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
323      NOTE: change ptracer diagnostics name: use 2 characters to work with
324            more than 9 tracers. Add also diagnostics of advect & diffus flux.
325    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
326      becomes the coordinate variable for the 'T' dimension
327    o add CF-style coordinate variables to MNC
328      - just a first cut:  numbers are meaningless on the cubesphere and
329        missing along the T axis but otherwise it works!
330    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
331    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
332    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
333      this is based directly on what the model compute, so that the content of
334      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
335    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
336    o clean up build options files for SunOS, in particular
337      - remove -traditional from xmakedepend
338      - change -xarch=v9 to -xarch=native for f77
339      - restore use of make (not gmake)
340      - add CC=gcc if using g77
341    o changes per discussion of AM, JMC, & EH3 today:
342      - move redundant "grid" variables out of "state" -- in preparation of
343        creating proper CF-style coordinate variables and in recognition
344        that any/all grid variables can be easily copied (eg. w/NCO) from
345        the grid files into any of the other NetCDF files
346      - *always* output grid variables with MDSIO (this will eventually be
347        changed)
348      - output MNC grid file if useMNC is true
349    o every instance of _END_MASTER() has been found and replaced with
350      _END_MASTER( myThid ) in order to satisfy certain picky Sun
351      preprocessors
352    o re-arrange diagnostics pkg initialisation:
353     - allow each package to extend the available diagnostics list
354     - add some checking and fix small problems (multi-threaded, ...)
355     - new S/R diagnostics_fill (replace fill_diagnostics):
356       look through the short list of active diag. (instead of the long list)
357       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
358    
359    checkpoint57a_post
360    o this set of changes restores TAMC compatibility
361      tested for global_ocean.90x40x15 adjoint on trough
362      (what a pain)
363    
364    checkpoint57a_pre
365    o some modifs in tools/build_options for sunos
366    o call ctrl_pack for ctrl at end for optimcycle=0
367    
368    checkpoint57
369    o add horizontal bi-harmonic viscosity for vertical velocity
370      - new parameter viscA4W (defaults to viscA4)
371      - affects only non-hydrostatic code
372      - to be done: no-slip lateral boundary conditions
373    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
374    o implement Implicit Vertical advection for pTracers
375    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
376      (implemented also for implicit vertical diffusion & advection)
377    o OBCS: extend application of tracer open boundary conditions
378      to a strip beyond the boundary of width Olx/Oly
379    o add call monitor to TAF set of required calls (flow directives)
380      and include in natl_box_adjoint
381    o untangle a few ifdefs related to cost, ctrl, autodiff
382      untangel a few ALLOW_ECCO_OPTIMIZATION
383    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
384      (theta2, salt2 in ecco_cost_weights)
385    
386    checkpoint56c_post
387    o OBCS as control variables
388      - update ctrl_ad_diff.list, obcs_ad_diff.list
389      - remove balance of obcs controls from default
390      - fix index bug nobcs in ctrl_init
391      - fix dummy fields filen in ctrl_pack
392      - add dummy weights for obcs
393    o lsopt: comment out fort.94 output
394    o optim:
395      - remove unnecessary header files
396      - adjusted namelists
397      - add xerbla.F to Makefile
398    o exf:
399      - multiple modifications of exf_check_range
400      - unit change in exf_init_runoff from [m/year] to [m/s]
401    o mdsio:
402      - i/o-vector change debugLevel from debLevA to debLevB
403    
404    checkpoint56b_post
405    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
406      is called from DO_THE_MODEL_IO
407      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
408      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
409      - clean up PTRACERS_WRITE_TIMEAVE a little
410    o add another verification experiment that tests both the cfc-pkg and
411      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
412      reactive tendencies treated inline with regular timestepping
413    o testreport previously did a lousy job of comparing small numbers, so
414      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
415      implemented in the little c-progam tmp_cmpnum.c which is embedded in
416      testreport.
417    o ptracers_monitor: bug fix for MPI
418    
419    checkpoint56a_post
420    o GCHEM: finish reorganizating the package
421      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
422        (introduces another 3D-array for each passive tracer, but only if
423        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
424        gchemTendency is not needed because the timestep is done separately)
425      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
426      - GCHEM is now---more or less cleanly---separate from PTRACERS
427      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
428        so clear to me how that should be done in a general way.
429    o CFC: improve formatting of output in CFC_ATMOS
430    o PTRACERS:
431      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
432        that ALL experiments with ptracers enable can be checked. This makes
433        GCHEM_MONITOR obsolete.
434      - include a runtime parameter PTRACERS_monitorFreq that defaults to
435        monitorFreq
436      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
437    o add PTRACERS (PTR0[1-5]) to testreport output
438    o exf_check_range:
439      * default changed to .TRUE.
440      * will check values for niter0 if debLevA, every timestep if debLevB
441      * STOP in exf_check_range if 'out of range'
442      * range chosen generous to allow for potential extema
443      TBD: a version with stricter range
444           permitted range would be runtime parameters
445    o GMredi:
446      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
447      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
448      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
449    o GCHEM:
450      - move call to GCHEM_FORCING_SEP, so that it is now called before
451        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
452      - introduced a useGCHEM runtime flag and applied it everywhere.
453      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
454        this flag is now only visible within GCHEM-pkg routines.
455      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
456        be replaced by a 3D array that is computed before thermodynamics; for
457        this, the tracer ID iTracer had to be included into the parameter list
458        of ptracers_forcing
459      - set up forward_step to call gchem_forcing, that will replace
460        gchem_forcing_int in ptracers_forcing
461      - cleaning up
462    o small cleaning of exch2: remove files that are also in eesupp/src
463    
464    checkpoint56
465    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
466    o mnc: cleanup "full" files--fixes out-of-memory problem
467    o ECCO-GODAE
468      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
469      * fully merged and updated from SIO code
470        windstress sign change affects
471        - exf_inscal_[u/v]stress
472        - sign of xx_tau[u/v] adjustments
473        - signs in cost_scat
474      * ctrl_get_gen: avoid update of tau[u/v] for first few days
475      * natl_box_adjoint updated and compressed
476      * 2-level checkpoint switch added
477        (tested in EXP. 1 of natl_box_adjoint)
478      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
479    o SVD
480      * first complete, non-hacked version for SVD calculations
481      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
482        performed via direct access files admtlm_vector.it????
483        (via ctrl_[un]pack)
484      * optimcycle is used for ARPACK iteration counter
485        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
486      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
487        and add linear transforms where necessary
488      * controls are initial/final SST, SSS (can be extended; need to check
489        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
490    o mdsio: filename info to both stderr, stdout
491    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
492      from sign change
493    
494    checkpoint55j_post
495    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
496      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
497    o add consistent build directories and .cvsignore files to verification
498    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
499    o make all subroutines 30 or less characters in length for certain older
500      compilers to work (a thorough search only turns up two routines in
501      pkg/ptracers)
502    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
503      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
504    
505    checkpoint55i_post
506    o change arrays for total vertical diffusivity (2.D if explicit,
507      3.D if implicit) ; each ptracer uses its own background value.
508    o added mnc/NetCDF output capability to ocn_compon_interf
509      - added bits to verification/cpl_aim+ocn so that it can run on
510        ITRDA and other clusters without the mpirun "-wd" option
511    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
512      configuration
513    o give MNC the ability to create additional files rather than
514      exceeding a specified file size limit "MNC_MAX_FILESIZE"
515      - the default is just less than 2GB which is a practical limit
516        on many systems
517    o Compute the non-local term using either KPP vertical diffusivity (=default)
518       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
519    
520    checkpoint55h_post
521    o add verification test "vermix"
522    o remove all the *_ioinc flags and replace with the single global
523      outputTypesInclusive flag
524    o allow to set a vertical profile of vertical diffusivity for T & S
525    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
526    o useMNC moved from data.mnc to data.pkg
527    
528    checkpoint55g_post
529    o Renaming carbon AD experiments to comply with testreport conventions
530    o Updating adjoint of Held-Suarez hs94.1x64x5
531    o Fixing directives for non-ECCO forward_step, after ECCO directives
532      have been fixed to avoid recomp. of do_oceanic_phys
533      Works well for global_ocean.90x40x15,
534      but recomp. issue remains for carbon
535    o Updating adjoint output for natl_box_adjoint after
536      pkg/ecco has been modified (see taga c55d_post)
537    
538    checkpoint55f_post
539    o rename to timeave_init_fixed
540    
541    checkpoint55e_post
542    o some delicate re-shuffle of store directives to avoid one
543      extra call of do_oceanic_physics
544      affects ecco_the_main_loop.F, do_oceanic_physics.F
545      checkpoint_lev1_directives.h
546    o NB: this may break global_ocean adjoint temporarily,
547      but it is clear how to fix it. Will do later, need this now.
548    
549    checkpoint55d_post
550    o ECCO specific cost function terms (up-to-date with 1x1 runs)
551    o ecco_cost_weights is modified to 1x1 runs
552    o modifs to allow observations to be read in as
553      single file or yearly files
554    o enable to read exf forcing fields as either
555      single file or yearly files (flag useExfYearlyFields)
556    checkpoint55d_pre
557    
558    o switch between 2-level and 3-level checkpointing
559    o add ability of MNC to write local and "partial" (eg. 2D slices where
560      the full 3D field is never actually stored) arrays to NetCDF files
561      with the correct (that is, the complete multi-dimensional) set of
562      array indicies
563      - used in mom_vecinv() to write the diagFreq output
564      - tested (demonstrated) in verification/aim.5l_cs
565    o further mnc-ification
566      - add verification/lab_sea to the list with mnc setups
567      - fix undefined mnc v-names in cd_code
568      - add kpp to mnc output (both snapshot and timeave)
569    o non-hydrostatic code
570      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
571        in calc_gw.F
572      - defaults to viscAh
573      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
574        friction or Leith) in non-hydrostatic mode, as long as there is
575        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
576    o pkg/cost
577      extend simple cost functions to treat time mean quantities
578      (T,U,V) via cost_accumulate_state from cost_tile
579    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
580        be 2 times larger than the minimum size the advection scheme requires.
581        now get a perfect conservation of salt in advect_cs test-exp (updated)
582    o GGL90 (Gaspar's TKE mixed layer)
583      - add horizontal diffusion of TKE, requires exchanges in
584        do_fields_blocking_exchanges, horizontal diffusivity is zero by
585        default. In OPA there is no horizontal diffusion of TKE but the
586        mixing coefficients are computed from a horizontal average of TKE of
587        6 points or so. I think that diffusion has a little more physical
588        justification.
589      - clean up ggl90_calc in the hope of reducing memory usage (this hope
590        was in vain)
591      - mask tke-variable in ggl90_init
592    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
593    o fix biharmonic diffusion on CS-grid.
594    o more obcs stuff
595      - added obcs_external_fields_load as an alternative to the EXF-pkg option
596        for reading boundary values. This routine is called from
597        obcs_prescribe_read
598      - updated obcs_check
599      - changed sponge layer relaxation parameter units for days to seconds
600      - turned off sponge layer by default
601      - changed argument list of OBCS_CALC to myTime+deltaTclock
602      - fixed about 35 bugs in obcs_external_fields_load
603    
604    checkpoint55c_post
605    o obcs stuff
606      - new runtime flags useOBCSprescribe, useOBCSbalance
607      - re-arranged obcs_calc
608      - moved exf_getobcs to obcs_prescibe_read
609        obcs_prescibe_read is called after ORLANSKI stuff
610        and independent of it (executable can contain all).
611      - updated obcs_check
612      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
613        These may be necessary only if tangential velocities are
614        prescribed at OB, not sure, needs testing.
615    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
616      which simplifies the calls and passes the ifc check-bounds test
617    
618    checkpoint55b_post
619    o add a 2D scalar, Z location, exchange_2 routine.
620    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
621      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
622      affects advect_cs results (for the wrong reason): update output.txt
623    o use a more standard discretization for biharmonic viscosity ;
624     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
625      affects results of dome set-up: update output.txt
626    o fix gad_advection.F (CubedSphere part), back to version 1.23
627    o fix bug in mom_vi_del2uv.F (CubedSphere part).
628    
629    checkpoint55a_post
630    o merged code to
631      * prescribe/read time-dependent open boundaries
632        (works in conjunction with exf, cal)
633      * sponge layer code for open boundaries
634      * each boundary N/S/E/W now has its own CPP option
635        (healthy for the adjoint)
636    
637    checkpoint55
638    o up-to-date adjoint of previous breaks
639      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
640      - global_ocean_ebm: adjoint still needs fix (TLM ok)
641      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
642      - carbon: * remove tr1-related adjoint verification
643                * add ptracer as control variable
644    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
645      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
646    
647    checkpoint54f_post
648    o in verification/carbin/ remove experiment related to
649      ALLOW_PASSIVE_TRACER (array tr1 etc)
650      code_ad/ input_ad/ results_ad
651    
652    o add two new packages
653      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
654        + subject to optimization (memory)
655      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
656        + subject to reordering (many GOTOs in the original code)
657        + so far opps is called for every (i,j) point, and then operates in
658          the vertical; one may want to reorder the scheme in order operate in
659          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
660          fields)
661    o overhaul of IO so that we now have flags for MDSIO and/or MNC
662      - all verification tests compile and run with linux_ia32_g77
663      - defaults are compatible with current input files--nothing
664        should change if you were not previously using MNC
665      - MNC output has been added in numerous places (eg. timeave)
666        but there are still a few writes not yet do-able with MNC
667        (this is in progress)
668      - flags now allow for either/or/both use of MDSIO and MNC and
669        documentation will soon follow
670      - numerous small formatting cleanups for ProTeX
671    o add version info (via BUILD_INFO.h) to MNC and stdout
672    
673    checkpoint54e_post
674    o add two new packages
675      - pp81 (Packanowski and Philander, 1981), Richardson number and
676        stratification dependent mixing
677      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
678      - these scheme operate in a similar manner as KPP (without ghat, of
679        course), however there is only one diffusivity that is used for both
680        temperature and salinity (and passive tracers)ç
681    o add offline package
682    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
683      provided by Stephanie Dutkiewicz
684    o genmake2: add ability to search for C compilers and cleanup test output
685      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
686    
687    checkpoint54d_post
688    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
689    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
690      leading to additional shift by 5 days each year of integration
691       (i.e. leading to considerable offset over the years)
692    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
693    o start with no AB and no initial filtering (staggerTimeStep):
694      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
695    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
696      (external loading & cpl import/export stay in forward_step.F)
697    o update coupling interface to work with new staggerTimeStep
698    o change MDSIO ptracers_pickup.
699    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
700    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
701    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
702    
703    checkpoint54c_post
704    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
705      this affects (truncation error) output.txt of test-exp:
706       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
707    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
708    o change Qnet to always be the net heat flux, (+upward).
709      affects (truncation error) output of natl_box exp.: updated
710    o define the max number of passive tracers in PTRACERS_SIZE.h
711    o start to test mnc routinely in exp0
712    o add sea-ice loading (sIceLoad) as a new forcing field.
713    
714    checkpoint54b_post
715    o add testreport "-j JOBS" option for parallel builds (tested and pretty
716       impressive on Altix and Opteron systems)
717    o diagnostics can now write NetCDF files through the mnc package
718    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
719    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
720    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
721      affects (truncation error) output of lab_sea & natl_box exp.: updated
722    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
723    
724    checkpoint54a_post
725    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
726    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
727    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
728    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
729      + internal_wave (shift in writing cg2d_ini_res)
730    checkpoint54a_pre
731    
732    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
733      - modified verification/lab_sea and natl_box_adjoint accordingly
734    
735    checkpoint54
736    checkpoint53g_post
737    o prepare splitting of thermodynamics: store convect.counter in common block
738    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
739      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
740    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
741    o new parameter "nShapS": allow to treat differently S from T (nShapT)
742    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
743    o restore adjointability
744    
745    checkpoint53f_post
746    o modifications that affect AIM experiment results (update output.txt):
747      - no advection of S at top interface Nr (pkg/generic_advdiff)
748      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
749    o AIM pkg:
750      - include stability function into surf.Flux derivative relative to Tsurf
751      - calculate clear-sky radiation & surface temp. change (for diagnostics)
752    
753    checkpoint53e_post
754    o merged cylindrical coord configuration
755    o added rotating_tank experiment
756    checkpoint53e_pre
757    
758    checkpoint53d_post
759    o faulks upgraded: re-generate output.txt that have changed:
760       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
761    o Added Bryan and Lewis, 1979, vertical diffusivity profile
762    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
763    o added Sadourny discretization of Coriolis
764      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
765      - re-enabled use of omega3 (useAbsVorticity)
766    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
767      vector-invariant equations
768      - note: does *NOT* yet use same variable visc. for no-slip BC's.
769    o recoded the lateral boundary conditions for non-hydrostatic w, this time
770      hopefully without new bugs
771      - still to do: biharmonic friction for non-hydrostatic w
772    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
773    o regenerated output for global_ocean_ebm (using -ieee)
774    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
775      of mom_common/
776      - simple re-arrangement of instructions within computing loop
777    checkpoint53d_pre
778    
779    checkpoint53c_post
780    o new version of coupler for AIM+thSIce and Ocean models
781     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
782     - land: change Evaporation of snow
783     - aim with thSIce: fix bug in snow-precip.
784    o changes to calc_gw.F
785     - bug fix for w^2 term near the bottom boundary
786     - (hopefully) improve the lateral slip boundary condtions for use with
787        partial/looped cells
788      - because the bug fix changes two verification experiments anyway (exp5
789        and plume on slope), change the lateral boundary condition from half slip
790        to the value of no_slip_sides
791    o ebm package wasnt quite up to the parallel task. Fixed that.
792    o Adjoint of EBM package + verification
793      * TLM OK
794      * ADM not sufficient accuracy yet (needs further testing)
795    
796    checkpoint53b_post
797    o Commiting new energy balance model to repository
798      * package is pkg/ebm
799      * verif. is verification/global_ocean_ebm
800      * references are in ebm_driver.F
801    C      * X. Wang, P. Stone and J. Marotzke, 1999:
802    C        Global thermohaline circulation. Part I:
803    C        Sensitivity to atmospheric moisture transport.
804    C        J. Climate 12(1), 71-82
805    C      * X. Wang, P. Stone and J. Marotzke, 1999:
806    C        Global thermohaline circulation. Part II:
807    C        Sensitivity with interactive transport.
808    C        J. Climate 12(1), 83-91
809    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
810    C        Destabilization of the thermohaline circulation
811    C        by atmospheric eddy transports.
812    C        J. Climate 7(12), 1870-1882
813    o Will need long integration testing.
814    checkpoint53b_pre
815    
816    o created pkg/mom_common in preparation for variable viscosity code
817    o renamed and split ini_mnc_io
818    o pkg/land: only liquid water can diffuse or run-off
819    o AIM using land: soil wetness availability account for snow
820    o added printMapIncludesZeros to EEPARMS namelist
821    
822    checkpoint53a_post
823    o restore TAMC compatiility for exf_constants.h
824      (no usage of _d in .h)
825    o Additional storing in KPP in an attempt to fix
826      TAMC problem with adjoint of KPP code.
827      (no success...)
828      Identical code works fine with TAF.
829    o Fixed verification/natl_box_adjoint experiments.
830      Initial conditions for Experiments 4 and 5 are now
831      set to "SEAICE_initialHEFF=0", which is more reasonable,
832      and hence gives results closer to that of Experiment 2.
833      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
834    
835    checkpoint53
836    o stable checkpoint with up to date adjoint
837      TLM tests only run for 1st grdchk at the moment. Its unclear if
838      this is a code problem or a problem with resetting code for g_
839      variables that is being autogenerated wrong.
840      Otherwise:
841       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
842       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
843         are both still in chaos following their security messes.
844    
845    checkpoint52n_post
846    o various build (mostly genmake2) changes including:
847      - ability to build/run more easily within Cygwin and MacOS X
848      - more complicated Makefiles with a stronger dependence on Gnu Make
849    o pkg/seaice modifications
850      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
851        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
852        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
853      - changed proxy for geostrophic velocity and updated
854        verification/lab_sea/results/* accordingly
855      - removed ADI dynamic solver from pkg/seaice
856      - replaced all occurrences of 1/CSTICE or 1/CSUICE
857        they caused a segmentation fault under certain circumstances
858      - removed unused field WATR
859    o bug fix in exf-package:
860      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
861         now reflect that.
862    o small fixes in the cal-package:
863      - set reference date to first of January for the 'model'-calendar
864      - failing of cal_CheckDate in cal_FullDate now actually results in a
865        warning
866    o small modifications in exf-package to increase flexibility:
867      - change climtempfreeze from a constant to a runtime parameter that
868        is specified in data.exf_clim (default = -1.9)
869      - introduce runtime parameter windstressmax (default = 2.0) that is
870        specified in data.exf
871    o fix in pkg/thsice:
872      - update Evap (Tsf changes) to be consistent with Latent heat flux
873      - maintain snow precipitation unchanged (even if Tsf >=0).
874     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
875    
876    checkpoint52m_post
877    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
878      this does not change any of the results, because myIter=0 in swfrac always
879      lead to jwtype=2 (the default anyway), but the call makes little sense
880      as a default
881    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
882    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
883      atmospheric model (AIM) to use it ; add a "slab ocean" component.
884    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
885    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
886    o extending useSingleCpuIO option to work with new exch2 I/O format
887      - old-style, missing-tile I/O is still accessible by defining CPP
888        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
889    o monitor package can write to NetCDF files and/or STDOUT
890    o fix re-definition bug in MNC_GRID_INIT_ALL()
891    o doc/api_reference added
892      - a framework for building an API Reference Manual using all
893        the "protex" comments embedded in the code
894      - see pkg/generic_advdiff, pkg/mnc for examples
895    o MNC:
896      - make myThid the last argument for all subroutines
897      - new default for the grid files: NO halos
898      - add useMNC and other run-time flags
899      - separate per-file-group handling of the unlimited dimension
900      - early initialization of MNC w/ flags read at the eeboot stage
901        and lookup tables set in initialize_fixed
902      - write all MNC output to a freshly-created directory
903    o thermodynamics sea-ice (thsice) is now tested with testreport.
904    o test exp. advect_cs: use the standard cs32 grid ; update output.
905    o Added functionality to grdchk:
906      pick global i,j,k position (or nearest wet) where to perform check.
907    
908    checkpoint52l_post
909    o new land formulation:
910      a) use ground enthalpy as prognostic variable to ensure exact
911         energy conservation.
912      b) account for water temperature and for latent heat of freezing
913         in all processes (rain, run-off, ground storage)
914      c) compute surface and ground temperature implicitly.
915    o aim_v23 modification for new land model:
916      a) Treat separately land / ocean / sea-ice surface fluxes
917         to allow implicit computation of land & sea-ice surface temp.
918      b) add snow precipitation.
919    checkpoint52l_pre
920    
921    o fix problem (when 1 tile is empty) in min/max monitor.
922    o fix bug in timeAve (u,vZetatave in common block)
923    o no restoring terms under ice for pkg/seaice
924    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
925    o bug fix for pkg/seaice pickups
926    o change MNC call locations and add coordinate attributes
927    o mask vorticity at the corner ; affects global_ocean.cs output
928    o fix ini_curvilinear_grid ; test CS experiments with mpi
929    o aim.5l_cs: modify sea-ice fraction input file ; update output
930    o exf: Adding simple range check routine for exf fields after read
931    
932    checkpoint52k_post
933    o removed top-level directory "diags"
934      - we migrated these functions to pkg/timeave a long time ago
935    o fixed bug introduced in pkg/monitor
936    o accuracy ctrlprec = 32 insuffient for gradient checks using
937      averaged fields (I/O via cost_averages)
938      -> use ctrl.h in active_file*.F to control I/O precision.
939    o paramter list of CALL ADTHE_MAIN_LOOP
940    o added initial do_the_model_io to ecco
941    o set all ...Freq to zero after cost_final
942      taveFreq, dumpFreq, pChkptFreq
943    o MAIN and ECCO differentiability restored
944    
945    checkpoint52j_post
946    o fix nchklev in tamc.h for global_ocean...
947    o Bringing flow and store directives up-to-date
948    o Really weird thing!
949      call do_the_model_io from the_main_loop with parameters
950      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
951      TAF places a faulty re-call of initialise_varia
952      after cost_final call which should not be there!
953    checkpoint52j_pre
954    
955    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
956      error messages
957    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
958    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
959      debug output
960    o modfied mdsio_writefield.F to handle non-global files under exch2
961    o update AIM Cubed-Sphere exp (aim.5l_cs):
962      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
963    o update AIM Equatorial Channel exp:
964      use standard aim_v23 pkg and change the SST fields to be more realistic.
965    o globalFile now works with exch2
966    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
967      mon_vort3.F to make exch2 friendly with >1 tile per cube face
968    o limit timeave output for hi-res integrations
969    
970    checkpoint52i_post
971    o removed CPP_EEOPTIONS.h from verification/*/code
972    o updated the tiling for global_ocean_pressure
973    checkpoint52i_pre
974    
975    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
976      the old pkg/aim).
977    
978    checkpoint52h_pre
979    o shortened offending lines in exch2_send_rx?.template
980    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
981    o genmake2: add build & execute test for NetCDF code
982    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
983      old grid files, moved CPP_EEMACROS.h to pkg/exch2
984    o added useSingleCPUIO flag to monitor.F and mon_out.F
985    o added temporary hack for sea-ice dynamics on the cube:
986      metric terms are ignored and it is assumed that
987      there is no sea-ice on cube faces 1, 2, 4, and 5.
988    
989    checkpoint52f_post
990    o added exch2 cube routines to pkg/exch2
991    o modified hs94.cs-32x32x5 to use it
992    o added new grid files to hs94.cs-32x32x5
993    checkpoint52f_pre
994    
995    checkpoint52e_post
996    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
997      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
998    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
999      to work with implicit vertical advection and AB ;
1000    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1001    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1002     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1003    checkpoint52e_pre
1004    
1005    o fix bug in impldiff when Nr=1 or Nr=2.
1006    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1007    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1008    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1009      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1010    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1011    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1012    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1013    
1014    checkpoint52d_post
1015    o re-tiled many expts to allow comparison in multi-processor mode
1016      - updated output accordingly
1017      - changed hs94.128x64x5 to use intial T from file rather than use the
1018        random number generator
1019    o add infrastructure in model routines for fizhi and gridalt packages
1020    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1021    o changes to permit hi-res, cubed-sphere, configuration
1022      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1023      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1024      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1025        of surface winds for the cube
1026      (A verification experiment, based on global_ocean.cs32x15, but with
1027       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1028       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1029       complete with example surface forcing files and matlab scripts to look
1030       at the output and compare it with that of global_ocean.cs32x15.)
1031    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1032       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1033       to conform to the common rule.
1034    o check-in the first version of the coupler + interfaces for multi-components
1035       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1036       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1037       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1038       - ocean and atmos. share the same horizontal grid (no interpolation).
1039       - exchanges between component and coupler is done in forward_step
1040    o new verification experiment, cpl_aim+ocn:
1041       coupled ocean - AIM atmosphere on cs32 grid.
1042    
1043    checkpoint52d_pre
1044    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1045    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1046    
1047    checkpoint52c_post
1048    o Fixing OPTIONS files for use of exf:
1049      - ALLOW_ECCO not needed
1050      - ECCO_CPPOPTIONS.h should not be included from
1051        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1052        as has been the case in the past
1053      - All cal/exf related options are currently set in
1054        single header file. Should remain so until we
1055        agree on a consistent new policy.
1056    o Removed all CPP options for cal package.
1057      cal has no more CPP options.
1058    o modified STOREs in GAD_ADVECTION
1059    o corrected key comp. for passkey
1060    
1061    checkpoint52b_post
1062    o new version: "thsice" of thermodynamic sea-ice pkg:
1063     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1064     - modify fluxes but do not change theta directly;
1065     - light cleaning of bulk_force pkg (still needed with thsice).
1066     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1067       + output_thsice.txt to test thsice & bulk_force pkgs.
1068    o put back grid & coriolis monitor output.
1069    checkpoint52b_pre
1070    
1071    o call "do_the_model_io" at the beginning (=> dump initial state)
1072    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1073    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1074      (need info on NUMBER_OF_PTRACERS)
1075    o missing PTRACERS headers in some routines
1076    o default tamc.h in pkg/autodiff supposed to crash
1077      to ensure proper customization
1078    
1079    checkpoint52a_post
1080    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1081      - moved surfaceTendencyTice from pkg/seaice to main code
1082      - subroutine FREEZE_SURFACE now limits only surface temperature
1083        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1084        => new output.txt for global_ocean.cs32x15 & global_with_exf
1085      - keep the old version of FREEZE for backward compatibility;
1086        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1087      - corresponding modifs for TAF directives
1088    o added surface flux output variables to TIMEAVE_STATVARS
1089    o time-averaged output for pkg/ptracers
1090    o fix problem with ECCO-related divided adjoint
1091      snapshot file was missing some ad-variables,
1092      but no warning issued by TAF
1093    
1094    checkpoint52a_pre
1095    o some bug fixes for #undef REAL4_IS_SLOW
1096    
1097    checkpoint52 = ecco_c52_e35
1098    o after testing adjoints of checkpoint51u_post
1099    
1100    checkpoint51u_post
1101    o this is the post-merge tag of the ecco-branch
1102      (needs another clean checkout and re-testing)
1103    o various natl_box_adjoint configs and results
1104      but no input fields
1105    o obcs adjoint not yet merged!
1106    o adding ECCO global 1x1 and 2x2 degree configs
1107    o updated/extended some store directives for seaice
1108    o pkg/ecco now containes ecco-specific part of cost function
1109    o top level routines the_main_loop, forward_step
1110      supersede those in model/src/
1111      previous input data.cost now in data.ecco
1112      (new namelist ecco_cost_nml)
1113    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1114    
1115    checkpoint51t_post
1116    o this is the pre-merge tag of the ecco-branch
1117    
1118    checkpoint51s_post
1119    o cleanup: removed various obsolete #define-s
1120    o pkg/grdchk
1121      - renamed 'ph-grd 3' to 'grad-res'
1122      - merged from ecco-branch
1123        (remaining bug fixes for obcs gradient checks)
1124      - additional high-precision output for testreport
1125        (grep for 'precision_grdchk_result')
1126    
1127    checkpoint51r_post
1128    o cleaned up or removed CPP_OPTIONS.h files
1129    o updated results for some of the tests to reflect the new
1130      optfiles (-ieee: -O0 instead of -O3)
1131    
1132    checkpoint51q_post
1133    o cd_code:
1134      - moved cd_scheme.F -> cd_code_scheme.F
1135      - separate read_checkpoint from cd_code_ini_vars.F
1136      - separated cd_code part from write_checkpoint
1137      - updated AD_SOURCE, generated .flow
1138      - added CD_CODE_VARS.h to the_main_loop
1139      - Moving cd_code specific store dir.s to pkg/cd_code
1140    o ctrl package totally restructured
1141      - pack/unpack now optional and decoupled from
1142        xx_/adxx_ I/O
1143      - ctrl_pack/unpack cleaned
1144        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1145      - confined inclusion of AD_CONFIG.h to where necessary.
1146    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1147    
1148    checkpoint51p_post
1149    o create initial cd_code package
1150      - WARNING: the initialization of fields within packages
1151        is broken because INI_FIELDS (where READ_CHECKPOINT is
1152        called) is called *before* PACKAGES_INIT_VARIABLES.
1153        This seems to be backwards since
1154        1) its important to initially zero the entire field including
1155           the "halo" region
1156        2) zeroing needs to be done *before* reading pickup info
1157           and the pickup call might or might not happen in any
1158           particular run
1159      - this needs an overhaul for R2
1160    o cleanup verification/*/code/GMREDI_OPTIONS.h
1161    o cleanup testreport
1162    
1163    checkpoint51o_post
1164    o bringing AD-related verif's up to date with genmake2
1165      - carbon/
1166      - global_ocean.90x40x15/
1167      - hs.94.1x64x5/
1168      - (front_relax/ )
1169    o (more) consistent directory structure for AD-related verif.'s
1170    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1171    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1172    o bug fix in find_alpha.F for MDJWF:
1173      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1174        change rho -> rho-rhoConst
1175      - replace call find_rho to find_rhonum
1176    o initialisation of rFlx extended to full array (required by TAF)
1177      and shifted to thermodynamics
1178    o removed PTRACERS.h in ptracers routine
1179    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1180    o Correcting initialisations for fVerU, fVerV.
1181    o helping TAF to recognize dependency on kUp for
1182      fVerU, fVerV
1183    o Replacing delZ by delR in pkg/ctrl/
1184    checkpoint51o_pre
1185    
1186    o undid all of cp51 pending some cleanups and discussion
1187    o added the [#include "AD_CONFIG.h"] statement to all files that need
1188       it for adjoint/tl #defines
1189     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1190     o removed tools/genmake since it no longer works
1191    
1192    checkpoint51n_post
1193    o modifications to make FREEZE flux visible to pkg/kpp
1194      - moved surfaceTendencyTice from pkg/seaice to main code
1195      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1196      - subroutine FREEZE now limits only surface temperature
1197        (this means new output.txt for global_ocean.90x40x15,
1198         global_ocean.cs32x15, and global_with_exf)
1199    o added surface flux output variables to TIMEAVE_STATVARS
1200    
1201    checkpoint51n_pre
1202    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1203    o added [#include "AD_CONFIG.h"] to all files that use the following
1204      defines:
1205      - ALLOW_ADJOINT_RUN
1206      - ALLOW_TANGENTLINEAR_RUN
1207      - ALLOW_ECCO_OPTIMIZATION
1208    
1209    checkpoint51m_post
1210    o incorporating changes to get TAMC/TAF working in genmake2
1211      - added new TAMC/TAF targets to the Makefile
1212      - various cleanups related to package handling
1213      - these changes should have no impact on the forward model
1214    
1215    checkpoint51l_post
1216    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1217     - faster algorithm for cal_addtime.F
1218     - higher precision arithmetic, where needed
1219     - pkg/exf *startdate variables changed from calendar date to
1220       model integration time
1221    
1222    checkpoint51l_pre
1223    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1224    o enable to apply restoring on S & T only in a latitude band.
1225    o update output (external_forcing_surf modif. change truncation errors)
1226       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1227    
1228    checkpoint51k_post
1229    o change default to: useNHMTerms=.FALSE.
1230     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1231       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1232     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1233        exp1, ideal_2D_oce
1234     - change data file of oceanic exp (leave the results unchanged for now)
1235       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1236    o set gravitySign automatically according to the vertical coordinate used
1237      (and change sign: back to "logical" value: +1 when R increases downward)
1238    o added an include barrier to the default CPP_OPTIONS.h and
1239      removed the #include "PACKAGES_CONFIG.h" from it
1240    o fix a bug in mom_fluxform (from chk51j_post)
1241    
1242    checkpoint51j_post
1243    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1244    o adjusted some flow directives (dynamics, thermodynamics)
1245    o added cubed-sphere case to test cost function
1246    o heckpoint_lev?_directives.h now include
1247      pkg-specific directives, whenever those are enabled.
1248    o Moving pkg-specific flow directives to corresponding pkg
1249      Moving pkg-specific differentiation list to corresponding pkg
1250      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1251      ---> conventions are
1252           - pkg_ad.flow
1253           - pkg_ad_diff.list
1254           - pkg_ad_check_lev?_dir.h
1255    
1256    checkpoint51i_post
1257    o merge of the branch-genmake2
1258      - knowingly breaks the older genmake
1259      - automatic generation of all ALLOW_${PKG_NAME} defines
1260      - new testreport supersedes older testscript
1261    o large number of package inclusion and header cleanups
1262    checkpoint51i_pre
1263    
1264    o new output for adjoin of global ocean vector invariant
1265    o fix for checkpoint of thermodynamic seaice and bulk_force
1266    o Steph gchem various cleanups
1267    
1268    checkpoint 51h_pre
1269    o fixed some single quotes
1270    o modify gchem pkg to be more versatile
1271    o modifications to clean up dic pkg
1272    o add pkg/cfc
1273    
1274    checkpoint51g_post
1275    o provide links for ARPACK and ADM*TLM
1276    o start removing verification/vero/
1277    o update AD-related stuff
1278      (in particular some IF-statements in model/src/ routines)
1279    o adding to verification/global_ocean.90x40x15/ adjoint of
1280      vector invariant setup
1281    
1282    checkpoint51f_post
1283    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1284    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1285      of tracer Green's fucntions for ocean inversion project.
1286    
1287    checkpoint51f_pre
1288    o Added on-the-fly spatial interpolation capability
1289        "USE_EXF_INTERPOLATION" to pkg/exf.
1290      - This is a temporary Cartesian-grid hack until
1291        the super-duper ESMF coupler becomes available.
1292      - See verification/global_with_exf/README for usage example.
1293      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1294        flags and modified pkg/seaice accordingly.
1295    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1296        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1297        non-local transport term.
1298    
1299    checkpoint51e_post
1300    o pkg/mom_vecinv:
1301      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1302      - add time-ave diagnostic of vorticity advection.
1303    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1304    o atmospheric geopotential: - include water vapor effect;
1305                                - use p^kappa in p* scaling.
1306    o land pkg: read initial state from files.
1307    o AIM : add stratospheric drag in the upper level
1308    
1309    checkpoint51d_post
1310    o change function ILNBLNK (=> last non-blank char.) to return zero
1311      (instead of the string length) when the string. char is empty
1312    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1313    o modif's to restore TAMC compatibility
1314      - avoid "_d" constructs in PARAMETER declarations
1315      - avoid interrupting lines by comment lines
1316    o Use cluster local disks for purely local I/O
1317      vs. globally visible disks needed for ctrl stuff
1318      (merged from ecco-branch)
1319      - new active_file_loc... and mdsio_..._loc routines
1320      - affected packages: autodiff, ctrl, grdchk, mdsio
1321    
1322    checkpoint51c_post
1323    o introducing integer flag debugLevel
1324      - debLevZero: suppress all output
1325      - debLevA: standard
1326      - debLevB: equivalent to current debugMode=.TRUE.
1327    o introducing pathname variable mdsioLocalDir for mdsio
1328      that can be specified at runtime
1329      (relevant for cluster I/O to local disk)
1330    `
1331    >>>checkpoint51b_post
1332    adjoint of ptracers
1333    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1334    o extended state in checkpoint_lev?, etc.
1335    o alternative ctrl/cost with tr1 or ptracer
1336    o new comlev1_bibj_ptracers
1337    o new ptracers.flow
1338    o made ptracers_forcing same as external_forcing_s
1339    o added verification for adjoint with ptracers
1340      - adm. grdchk fail so far
1341      - tlm. grdchk OK
1342      - checked tapelev/comlev recomputations: OK
1343    <<<checkpoint51b_pre
1344    
1345    checkpoint51a_post
1346    o added code for biogeochemistry package
1347      - new pkgs: dic, gchem
1348      - new subroutine in ptracers
1349    o modify code for biogeo packages
1350      - in model/src and pkg/ptracers
1351    
1352    checkpoint51
1353    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1354      - autodiff, ctrl, exf, grdchk, seaice
1355      kept separate packages
1356      - cost, ecco, obcs
1357    o updating verification/internal_wave, verification/lab_sea
1358      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1359    
1360    checkpoint50i_post
1361    o Preparing next differentiable checkpoint and sync
1362      of MAIN vs. ecco-branch
1363      - 1st step: this one is differentiable
1364      - 2nd step: next(! not this) checkpoint will have updated packages
1365                  from ecco-branch)
1366    
1367    checkpoint50h_post
1368    o new package "land": provide surface BC for AIM.
1369    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1370    o AIM: use true log-P extrapolation for near surface temp (= as in
1371        F.Molteni paper) ; update aim.5l_cs output.
1372    o New variable in PARM03 for more flexible pickups
1373    o somewhat cleaned package initialisation sequence for
1374      ctrl/ cost/ ecco/ in packages_... routines
1375    
1376    checkpoint50g_post
1377    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1378      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1379      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1380        made the default because of faster convergence than ADI
1381    
1382    checkpoint50f_post
1383    o exf totally restructured
1384      - replaced all exf_set_ routines by one generic exf_set_gen.F
1385        and made sure it's still differentiable
1386      - split exf_getffields.F into new exf_bulkformulae.F
1387      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1388      - updated adjoint/makefile and relevant verif. accordingly
1389    
1390    checkpoint50f_pre
1391     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1392          + change Evap over land. (update aim.5l_cs output)
1393     o added missing .cvsignores and made uniform across expts
1394     o changed configuration of tidal_basin_2d expt
1395     o added pkg/debug functions for tracing code in fatal crashes
1396     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1397     o new fn in pkg/monitor to stop model if solution grows too big
1398     o removed lots of single quotes from comments
1399    
1400    checkpoint50e_post
1401    o make KPP work with PTRACERS
1402     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1403       nearly a copy of kpp_transport_s
1404     - there is no analogue to SurfaceTendencyS, so I have to use
1405       gPtr(of the surface layer) instead
1406    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1407    checkpoint50e_pre
1408    
1409    checkpoint50d_post
1410    o change kpp output from multiple-record state files to single-record state
1411      files analogous to write_state.F
1412    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1413      analogous to the cg2d-related output.
1414    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1415      so that writing to internal file fn (with length 512) fails.
1416    checkpoint50d_pre
1417    
1418    checkpoint50c_post
1419    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1420    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1421    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1422    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1423    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1424    
1425    checkpoint50c_pre
1426    Merging from release1_p13:
1427    o bug fix for pkg/seaice dynamic solver
1428    o Added SEAICE_initialHEFF to pkg/seaice
1429    
1430    checkpoint50b_post
1431    o store u*,v* in gU,V instead of in guNm1,gvNm1
1432    o in order to put the momForcing out of the Adams-Bashforth:
1433      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1434      to timestep.F
1435    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1436    o re-generate output for highly sensitive test-exp:
1437       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1438    
1439    checkpoint50b_pre
1440    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1441    o corrected CPP option mismatch in exf_Bulk... functions for case
1442      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1443    
1444    checkpoint50a_post
1445    o Bug fix for merging between c50 and KPP.
1446      ikey was passed from thermodynamics to kpp_calc via
1447      common block rather than being recomputed in kpp_calc,
1448      in contradiction with new key itdkey.
1449      New key ikppkey created, and tamc.h headers updated.
1450    
1451    checkpoint50
1452    - 2nd step of merge with ecco-branch:
1453      merge changes in ecco-branch back into main trunk
1454    - bug fix in find_alpha
1455    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1456    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1457    - merged some sliced AD support routines
1458    
1459    checkpoint49
1460    merged from ecco-branch:
1461    o exf:
1462      - Enable initialisation of forcing fields to constant
1463        (runtime) values.
1464      - in exf_getffields.F
1465        Reduce i-/j-loop to interior domain, discarding overlaps.
1466        That also fixes wrong TAF-key computations for key_1, key_2
1467        with bulf formulae.
1468      - exf_init.F modify #ifdef for exf_init_evap
1469      - exf_getffieldrec.F, ctrl_getrec.F
1470        The following INT-usages are not safe:
1471          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1472          fldcount = int(fldsecs/fldperiod) + 1
1473        and were modified.
1474    o autodiff: checkpoint_lev...
1475      - updated storing for bulk formulae (some arrays were missing)
1476      - added state for seaice package
1477      - synchronized with main branch
1478    o DIVA:
1479      Modif.s in
1480      - the_main_loop.F
1481      - the_model_main.F
1482      and added cost_final_restore.F cost_final_store.F
1483      o With these changes, it is possible to fully separate
1484        the first forward run to compute the cost function (mdthe_main_loop)
1485        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1486        into separate model executions.
1487        This enables better tuning of DIVA to given queue sizes.
1488      o Loss of cost function value in consecutive DIVA runs is
1489        fixed by storing to 'costfinal' file.
1490      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1491        beginning/end of adjoint integration is accounted for.
1492      The current changes apply to TAF-1.4.26.
1493      TAF has one remaining bug, requiring one manual change
1494      (see MITgcm manual).
1495    o cal: synchronized between MAIN and ecco-branch
1496    
1497    checkpoint48i_post
1498    o Changes to restore differentiability of code w.r.t. previous tag
1499      (mostly adding new routines to make list and replacing
1500      pressure by totPhiHyd).
1501    o Updated and merged grdchk package
1502      - has both ADM and TLM checks
1503      - works for single- and multi-proc.
1504      - output cleaned
1505      - worked successfully for parallel DIVA
1506    o genmake:
1507      - Adding -platform=SP4
1508      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1509    o Modif. for DIVA:
1510      ctrl_unpack should not be called in intermediate DIVA interval.
1511      (similar thing would apply for active files such as
1512      tbar, sbar, psbar, which should not be reinitialised;
1513      only relevant for ecco-branch)
1514    
1515    checkpoint48h_post
1516    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1517    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1518    o Added SEAICE_initialHEFF to pkg/seaice
1519    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1520    
1521    checkpoint48g_post
1522    --- EOS:
1523    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1524      store total Potential in totPhyHyd for diagnostics & EOS.
1525    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1526    --- Pressure/geopotential gradient:
1527    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1528    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1529      ( changes results of global_ocean_pressure )
1530    o NLFS + z-coord.: add eta*Rho' contribution.
1531    o accurate phiHyd when using interface-W at the middle between 2 centers
1532     ( changes results of ideal_2D_oce )
1533    o includes r* 2nd term in potential gradient.
1534    
1535    checkpoint48f_post
1536    Merging from release1_p12:
1537    o Modifications for using pkg/exf with pkg/seaice
1538      - improved description of the various forcing configurations
1539      - added basic radiation bulk formulae to pkg/exf
1540      - units/sign fix for evap computation in exf_getffields.F
1541      - updated verification/global_with_exf/results/output.txt
1542    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1543      (SBO) core products, including oceanic mass, center-of-mass,
1544      angular, and bottom pressure (see pkg/sbo/README.sbo).
1545    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1546      to avoid negative values in shallow regions.
1547      - updated verification/natl_box/results/output.txt
1548      - updated verification/lab_sea/results/output.txt
1549    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1550    o Added useSingleCpuIO option (see PARAMS.h).
1551    o Updated useSingleCpuIO option in mdsio_writefield.F to
1552      work with multi-field files, e.g., for single-file pickup.
1553    o pkg/seaice:
1554      - bug fix in growth.F: QNET for no shortwave case
1555      - added HeffFile for specifying initial sea-ice thickness
1556      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1557    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1558      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1559    o pkg/seaice:
1560      - adjoint-friendly modifications
1561      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1562    
1563    checkpoint48e_post
1564    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1565    o dynamics: change definition of computational domain & adapt mom_fluxform
1566      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1567    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1568        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1569        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1570        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1571        inverted_barometer solid-body.cs-32x32x1
1572      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1573    
1574    checkpoint48d_post
1575    o in preparation for r*:
1576     a) use pre-computed gradient of hydrostatic potential:
1577        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1578     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1579        => affects results of glob_oce_pressure (different truncation error)  
1580      update output.txt of ideal_2D_oce & global_ocean_pressure
1581    
1582    checkpoint48d_pre
1583    o in preparation for r*:
1584      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1585      pass the 2 comp. of the grad. as arguments to momentum S/R.
1586      but for the moment, only used if it does not change the results.
1587    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1588    
1589    checkpoint48c_post
1590    Modifications in treatment of initial flux forcing controls
1591    to avoid extra storing of flux fields.
1592    
1593    checkpoint48c_pre
1594    o Added tidal_basin_2d experiment (currently 1D!)
1595    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1596    
1597    checkpoint48b_post
1598    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1599     (modification to pressure gradient not yet implemented)
1600    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1601      (for U & V) that are used for vertical advection of momentum.
1602    
1603    checkpoint48a_post
1604    o In preparation for r*, use temp. array to compute vertical transport
1605       in flux-form momentum pkg. => change results of few test-exp.
1606      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1607                        lab_sea, natl_box & plume_on_slope
1608    
1609    checkpoint48
1610    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1611    
1612    checkpoint47j_post
1613    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1614    o moved adexch from forward_step to addummy_in_stepping
1615    o added exch in ctrl_map_...
1616    o aveFreq.=0. at end of cost_final to avoid overwrite in
1617      reverse checkpointing loop
1618    o Yet more changes in gmredi:
1619      * adgmredi_calc_tensor
1620        avoiding all recomputation of gmredi_slope_limit
1621      * adgmredi_x/y/rtransport
1622        added flag for excessive storing to avoid recomp. of
1623        u/v/rtans, dTdx/y/z
1624        -> this is not really necessary and very memory-consuming
1625      * adgmredi_slope_psi:
1626        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1627      * gmredi_slope_limit
1628        re-activated full calculation of taperfct for case 'ac02'
1629    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1630    
1631    checkpoint47i_post
1632    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1633    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1634      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1635    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1636    o gmredi: fix few bugs.
1637    
1638    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1639    This will be a good checkpoint to plug into the ecco-branch.
1640    o few modif.'s to get latest version adjointed
1641      (mainly kick out code in ini_linear_phisurf)
1642    o modif's to run adjoint with exactConserv
1643    o case GM_BOLUS_ADVEC should be cleaned
1644      S/R gmredi_slope_psi should be cleaned
1645    o verification/carbon now has exactConserv=.TRUE.
1646    
1647    checkpoint47g_post
1648    o time-average AIM output: becomes independent from statvars time-average
1649      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1650    o After TAF bug fix:
1651      Tested adjoint of gmredi package.
1652      Tests were done with checkpoint47 rather than with latest
1653      checkpoint47f_post since the latter is broken for the adjoint
1654      verification/carbon/ contains both ADM and TLM gradient checks.
1655    Here they are, before they get changed/lost/stolen.
1656    Mostly modif.'s to fix numerical sensitivities.
1657    Gradient checks OK for
1658    - GM_taper_scheme:
1659      * clipping
1660      * ac02
1661      * linear
1662      * glw91
1663      * dm95
1664      * ldd97
1665    - GMREDI_OPTIONS:
1666      * GM_VISBECK_VARIABLE_K
1667      * GM_NON_UNITY_DIAGONAL
1668      * GM_EXTRA_DIAGONAL
1669      * GM_BOLUS_ADVEC
1670    in conjunction with data.gmredi parameters to be checked in
1671    in a few minutes under verification/carbon/code/
1672    
1673    checkpoint47f_post
1674    Merging from release1_p10:
1675    o modifications for using pkg/exf with pkg/seaice
1676      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1677        and SEAICE_EXTERNAL_FLUXES
1678      - pkg/exf CPP options EXF_READ_EVAP and
1679        EXF_NO_BULK_COMPUTATIONS
1680      - usage examples are Experiments 8 and 9 in
1681        verification/lab_sea/README
1682      - verification/lab_sea default experiment now uses
1683        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1684    
1685    checkpoint47e_post
1686    o created a tag prior to creating a branch
1687    
1688    checkpoint47d_post
1689    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1690      at the bottom boundary had an erroneous half slip boundary condition
1691    o added bottom drag and no slip boundary condition capabilities to
1692      oceanic pressure coordinates code
1693    o added new verification experiment global_ocean_pressure, this experiment is
1694      also described in the tutorial section of the manual
1695    checkpoint47d_pre
1696    
1697    checkpoint47c_post
1698    o Added a verification experiment for a global cubed-sphere ocean run
1699      -  verification/global_ocean.cubed32x32x30
1700      -  uses pkg/therm_seaice and pkg/bulk_forcing
1701    
1702    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1703    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1704      when using P-coordinate; only implemented for atmospheric config.
1705    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1706      NOTES: requires option NONLIN_FRSURF to be "#define".
1707    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1708    
1709    checkpoint47b_post
1710    Merging from release1_p9:
1711    o pkg/seaice
1712      - removed GOTO's and added taf directives
1713      - double precision constants to reduce the g77 (Linux)
1714        to F77 (SGI) differences reported in release1_p8
1715    o tools/genmake
1716      - added SGI options
1717    o verification/testscript
1718      - updated to that of checkpoint47a_post
1719    o verification/global_ocean.90x40x15/input/eedata
1720      - modified for SGI f77 compatibility
1721    o verification/lab_sea
1722      - added description of sea-ice model
1723      - added missing matlab routines
1724      - added test of thermodynamics parallelization
1725    
1726  checkpoint47a_post  checkpoint47a_post
1727  o new pkg: aim_v23  o new pkg: aim_v23
1728   = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.   = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
# Line 13  o new pkg: aim_v23 Line 1733  o new pkg: aim_v23
1733  o add diagnostic of surface correction term in monitor output  o add diagnostic of surface correction term in monitor output
1734    
1735  o bulk_force and therm_seaice  o bulk_force and therm_seaice
1736    - Two packages:  bulk_force (Bulk forcing)
1737      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1738    - Earlier integration from Stephaine Dutkiewicz
1739      and Patrick Heimbach.
1740    - Two ifdef statements for compile time,
1741       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1742    
1743  checkpoint47  checkpoint47
1744  differentiable version of checkpoint46n_post  differentiable version of checkpoint46n_post

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