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revision 1.109 by jmc, Tue Dec 10 04:28:01 2002 UTC revision 1.483 by jmc, Thu May 12 21:59:51 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint57h_pre
8    
9    o in mnc, let the user create the output dir if both mnc_outdir_date
10      and mnc_outdir_num are false
11    o add fflags() to pkg/diagnostics which allows one to specify, on a
12      per-file basis, the file precision [default behavior is unchanged]
13    o added diagnostics to pkg/kpp, including computation of mixed layer
14      depth based on a temperature/density criterion
15    o updated verification/natl_box to test the new pkg/kpp diagnostics
16    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
17    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
18    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
19      not mnc -- this mistake was found by JMC and is now corrected
20    
21    checkpoint57g_post
22    o add Adams-Bashforth 3rd Order time stepping:
23      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
24      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
25    checkpoint57g_pre
26    
27    o make lambda[Theta,Salt]ClimRelax spatially varying
28      (default remains spatially uniform constant based on tau)
29    o added new control variables
30      * init. uVel, vVel, etanN
31      * lambda[Theta,Salt]ClimRelax
32    o separate masks used for ctrl_pack/unpack 'from write_grid' output
33      (suggested by G. Forget)
34    
35    checkpoint57f_post
36    o add parameter "baseTime" = model base time = time at iteration zero
37      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
38      account for baseTime shift
39    o move Coriolis arrays from PARAMS.h to GRID.h
40    checkpoint57f_pre
41    
42    o mnc-ifying the seaice package
43    o introduced an alternative length scale calculation for use in the limiting
44      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
45    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
46    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
47      as well as grad(vort3).  Made it compatible with both approximate form
48      for the cubed sphere and full form of these gradients.  Added flag
49      useFullLeith to select between approximate and full form.  
50    o add "d0" in getcon.F to reduce differences between compilers/platforms
51      update output.txt of exp. fizhi-gridalt-hs
52    o change port_rand funtion to allow to set the seed.
53    o fix obscure MNC bug involving conversion between reals and integers
54      - it caused no problems with certain (eg. gcc, ifc) compilers but the
55        new version is now more standards-compliant
56    o adjoint-related modifications
57      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
58      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
59      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
60    
61    checkpoint57e_post
62    o Adding eddy stress controls a la Ferreira et al.
63    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
64    
65    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
66      update output.txt of exp. fizhi-gridalt-hs
67    o add more "Z" dimensions and associated coordinate vars to MNC
68    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
69    o parameter calendarDumps: when set, approximate months (30-31 days) and years
70      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
71      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
72      months and years.  Requires pkg/cal.
73    o diagnostics: add pickup functionality
74      - off by default for backwards compatibility
75      - current version only uses MDSIO -- MNC will be added
76    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
77    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
78    
79    checkpoint57d_post
80    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
81    o modify verification/ideal_2D_oce so that it tests the creation of mnc
82      output from the diagnostics package
83    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
84    o make genmake2 more portable by using ".$FS" instead of ".f" for more
85      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
86    o add coordinate variables to the MNC output from the diagnostics package
87    o change MNC-flags default value: true when useMNC=TRUE
88    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
89      the ability (off by default) to read the grid information using MNC
90    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
91    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
92    o do snap-shot diagnostics at the middle of the time-interval (instead of
93      at the end).
94    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
95      new test for AIM with thSIce + slab-ocean
96    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
97    o move state variable diagnostics to the beginning of the time step ;
98      (note: still needs some work specially for snap-shot diagnostics)
99      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
100    
101    checkpoint57c_post
102    o Change testing option (-ieee) to get closer agreement between g77 & ifort
103    o generate new output.txt files on faulks with g77 & the new -ieee option
104    checkpoint57c_pre
105    
106    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
107      update output.txt of exp. global_ocean.90x40x15
108    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
109      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
110    o add saltFlux(+File) forcing capability with periodicExternalForcing
111    o allow to use pkg diagnostics for GM-Redi & ThSIce output
112    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
113    o improvements for the MNC output from DIAGNOSTICS:
114      - correct handling of the unlimitied dimension
115      - all dims now have associated coordinate variables
116      - variables located at U, V, and Corner ("Z") points are now written
117        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
118        *all* data points are output
119    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
120    o added pkg/seaice/seaice_monitor.F
121    o mdsio_readfield.F can now read files visible only to master MPI process.
122    o pkg/seaice: some test code for ice-modified ocean stress
123    o exf_getffields interpolation defaults to bilinear for all scalar forcing
124      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
125      spurious negative numbers for precipitation and humidity.  Will cause
126      some small numerical differences for integrations using pkg/exf/exf_interp.F.
127    o pkg/ctrl/
128      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
129        May be enabled via doPackDiag
130      *  introduce z-scaling of
131         + gradient (doZscalePack) and
132         + control (doZscaleUnpack)
133    o pkg/mdsio/
134      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
135      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
136    
137    checkpoint57b_post
138    o simplify options in diagnostics_fill arguments (remove weird combinations)
139    o fix MNC coordinate variables so that they now contain per-face index
140      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
141      general, EXCH2 grids are only aligned to a "local" coordinate system
142    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
143    o Implement instantaneous output within pkg diagnostics:
144      setting a negative frequency in data.diagnostics produces
145     "snap-shot" output (as opposed to time-average if freq > 0)
146    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
147      NOTE: change ptracer diagnostics name: use 2 characters to work with
148            more than 9 tracers. Add also diagnostics of advect & diffus flux.
149    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
150      becomes the coordinate variable for the 'T' dimension
151    o add CF-style coordinate variables to MNC
152      - just a first cut:  numbers are meaningless on the cubesphere and
153        missing along the T axis but otherwise it works!
154    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
155    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
156    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
157      this is based directly on what the model compute, so that the content of
158      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
159    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
160    o clean up build options files for SunOS, in particular
161      - remove -traditional from xmakedepend
162      - change -xarch=v9 to -xarch=native for f77
163      - restore use of make (not gmake)
164      - add CC=gcc if using g77
165    o changes per discussion of AM, JMC, & EH3 today:
166      - move redundant "grid" variables out of "state" -- in preparation of
167        creating proper CF-style coordinate variables and in recognition
168        that any/all grid variables can be easily copied (eg. w/NCO) from
169        the grid files into any of the other NetCDF files
170      - *always* output grid variables with MDSIO (this will eventually be
171        changed)
172      - output MNC grid file if useMNC is true
173    o every instance of _END_MASTER() has been found and replaced with
174      _END_MASTER( myThid ) in order to satisfy certain picky Sun
175      preprocessors
176    o re-arrange diagnostics pkg initialisation:
177     - allow each package to extend the available diagnostics list
178     - add some checking and fix small problems (multi-threaded, ...)
179     - new S/R diagnostics_fill (replace fill_diagnostics):
180       look through the short list of active diag. (instead of the long list)
181       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
182    
183    checkpoint57a_post
184    o this set of changes restores TAMC compatibility
185      tested for global_ocean.90x40x15 adjoint on trough
186      (what a pain)
187    
188    checkpoint57a_pre
189    o some modifs in tools/build_options for sunos
190    o call ctrl_pack for ctrl at end for optimcycle=0
191    
192    checkpoint57
193    o add horizontal bi-harmonic viscosity for vertical velocity
194      - new parameter viscA4W (defaults to viscA4)
195      - affects only non-hydrostatic code
196      - to be done: no-slip lateral boundary conditions
197    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
198    o implement Implicit Vertical advection for pTracers
199    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
200      (implemented also for implicit vertical diffusion & advection)
201    o OBCS: extend application of tracer open boundary conditions
202      to a strip beyond the boundary of width Olx/Oly
203    o add call monitor to TAF set of required calls (flow directives)
204      and include in natl_box_adjoint
205    o untangle a few ifdefs related to cost, ctrl, autodiff
206      untangel a few ALLOW_ECCO_OPTIMIZATION
207    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
208      (theta2, salt2 in ecco_cost_weights)
209    
210    checkpoint56c_post
211    o OBCS as control variables
212      - update ctrl_ad_diff.list, obcs_ad_diff.list
213      - remove balance of obcs controls from default
214      - fix index bug nobcs in ctrl_init
215      - fix dummy fields filen in ctrl_pack
216      - add dummy weights for obcs
217    o lsopt: comment out fort.94 output
218    o optim:
219      - remove unnecessary header files
220      - adjusted namelists
221      - add xerbla.F to Makefile
222    o exf:
223      - multiple modifications of exf_check_range
224      - unit change in exf_init_runoff from [m/year] to [m/s]
225    o mdsio:
226      - i/o-vector change debugLevel from debLevA to debLevB
227    
228    checkpoint56b_post
229    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
230      is called from DO_THE_MODEL_IO
231      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
232      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
233      - clean up PTRACERS_WRITE_TIMEAVE a little
234    o add another verification experiment that tests both the cfc-pkg and
235      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
236      reactive tendencies treated inline with regular timestepping
237    o testreport previously did a lousy job of comparing small numbers, so
238      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
239      implemented in the little c-progam tmp_cmpnum.c which is embedded in
240      testreport.
241    o ptracers_monitor: bug fix for MPI
242    
243    checkpoint56a_post
244    o GCHEM: finish reorganizating the package
245      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
246        (introduces another 3D-array for each passive tracer, but only if
247        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
248        gchemTendency is not needed because the timestep is done separately)
249      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
250      - GCHEM is now---more or less cleanly---separate from PTRACERS
251      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
252        so clear to me how that should be done in a general way.
253    o CFC: improve formatting of output in CFC_ATMOS
254    o PTRACERS:
255      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
256        that ALL experiments with ptracers enable can be checked. This makes
257        GCHEM_MONITOR obsolete.
258      - include a runtime parameter PTRACERS_monitorFreq that defaults to
259        monitorFreq
260      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
261    o add PTRACERS (PTR0[1-5]) to testreport output
262    o exf_check_range:
263      * default changed to .TRUE.
264      * will check values for niter0 if debLevA, every timestep if debLevB
265      * STOP in exf_check_range if 'out of range'
266      * range chosen generous to allow for potential extema
267      TBD: a version with stricter range
268           permitted range would be runtime parameters
269    o GMredi:
270      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
271      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
272      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
273    o GCHEM:
274      - move call to GCHEM_FORCING_SEP, so that it is now called before
275        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
276      - introduced a useGCHEM runtime flag and applied it everywhere.
277      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
278        this flag is now only visible within GCHEM-pkg routines.
279      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
280        be replaced by a 3D array that is computed before thermodynamics; for
281        this, the tracer ID iTracer had to be included into the parameter list
282        of ptracers_forcing
283      - set up forward_step to call gchem_forcing, that will replace
284        gchem_forcing_int in ptracers_forcing
285      - cleaning up
286    o small cleaning of exch2: remove files that are also in eesupp/src
287    
288    checkpoint56
289    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
290    o mnc: cleanup "full" files--fixes out-of-memory problem
291    o ECCO-GODAE
292      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
293      * fully merged and updated from SIO code
294        windstress sign change affects
295        - exf_inscal_[u/v]stress
296        - sign of xx_tau[u/v] adjustments
297        - signs in cost_scat
298      * ctrl_get_gen: avoid update of tau[u/v] for first few days
299      * natl_box_adjoint updated and compressed
300      * 2-level checkpoint switch added
301        (tested in EXP. 1 of natl_box_adjoint)
302      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
303    o SVD
304      * first complete, non-hacked version for SVD calculations
305      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
306        performed via direct access files admtlm_vector.it????
307        (via ctrl_[un]pack)
308      * optimcycle is used for ARPACK iteration counter
309        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
310      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
311        and add linear transforms where necessary
312      * controls are initial/final SST, SSS (can be extended; need to check
313        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
314    o mdsio: filename info to both stderr, stdout
315    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
316      from sign change
317    
318    checkpoint55j_post
319    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
320      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
321    o add consistent build directories and .cvsignore files to verification
322    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
323    o make all subroutines 30 or less characters in length for certain older
324      compilers to work (a thorough search only turns up two routines in
325      pkg/ptracers)
326    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
327      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
328    
329    checkpoint55i_post
330    o change arrays for total vertical diffusivity (2.D if explicit,
331      3.D if implicit) ; each ptracer uses its own background value.
332    o added mnc/NetCDF output capability to ocn_compon_interf
333      - added bits to verification/cpl_aim+ocn so that it can run on
334        ITRDA and other clusters without the mpirun "-wd" option
335    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
336      configuration
337    o give MNC the ability to create additional files rather than
338      exceeding a specified file size limit "MNC_MAX_FILESIZE"
339      - the default is just less than 2GB which is a practical limit
340        on many systems
341    o Compute the non-local term using either KPP vertical diffusivity (=default)
342       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
343    
344    checkpoint55h_post
345    o add verification test "vermix"
346    o remove all the *_ioinc flags and replace with the single global
347      outputTypesInclusive flag
348    o allow to set a vertical profile of vertical diffusivity for T & S
349    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
350    o useMNC moved from data.mnc to data.pkg
351    
352    checkpoint55g_post
353    o Renaming carbon AD experiments to comply with testreport conventions
354    o Updating adjoint of Held-Suarez hs94.1x64x5
355    o Fixing directives for non-ECCO forward_step, after ECCO directives
356      have been fixed to avoid recomp. of do_oceanic_phys
357      Works well for global_ocean.90x40x15,
358      but recomp. issue remains for carbon
359    o Updating adjoint output for natl_box_adjoint after
360      pkg/ecco has been modified (see taga c55d_post)
361    
362    checkpoint55f_post
363    o rename to timeave_init_fixed
364    
365    checkpoint55e_post
366    o some delicate re-shuffle of store directives to avoid one
367      extra call of do_oceanic_physics
368      affects ecco_the_main_loop.F, do_oceanic_physics.F
369      checkpoint_lev1_directives.h
370    o NB: this may break global_ocean adjoint temporarily,
371      but it is clear how to fix it. Will do later, need this now.
372    
373    checkpoint55d_post
374    o ECCO specific cost function terms (up-to-date with 1x1 runs)
375    o ecco_cost_weights is modified to 1x1 runs
376    o modifs to allow observations to be read in as
377      single file or yearly files
378    o enable to read exf forcing fields as either
379      single file or yearly files (flag useExfYearlyFields)
380    checkpoint55d_pre
381    
382    o switch between 2-level and 3-level checkpointing
383    o add ability of MNC to write local and "partial" (eg. 2D slices where
384      the full 3D field is never actually stored) arrays to NetCDF files
385      with the correct (that is, the complete multi-dimensional) set of
386      array indicies
387      - used in mom_vecinv() to write the diagFreq output
388      - tested (demonstrated) in verification/aim.5l_cs
389    o further mnc-ification
390      - add verification/lab_sea to the list with mnc setups
391      - fix undefined mnc v-names in cd_code
392      - add kpp to mnc output (both snapshot and timeave)
393    o non-hydrostatic code
394      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
395        in calc_gw.F
396      - defaults to viscAh
397      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
398        friction or Leith) in non-hydrostatic mode, as long as there is
399        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
400    o pkg/cost
401      extend simple cost functions to treat time mean quantities
402      (T,U,V) via cost_accumulate_state from cost_tile
403    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
404        be 2 times larger than the minimum size the advection scheme requires.
405        now get a perfect conservation of salt in advect_cs test-exp (updated)
406    o GGL90 (Gaspar's TKE mixed layer)
407      - add horizontal diffusion of TKE, requires exchanges in
408        do_fields_blocking_exchanges, horizontal diffusivity is zero by
409        default. In OPA there is no horizontal diffusion of TKE but the
410        mixing coefficients are computed from a horizontal average of TKE of
411        6 points or so. I think that diffusion has a little more physical
412        justification.
413      - clean up ggl90_calc in the hope of reducing memory usage (this hope
414        was in vain)
415      - mask tke-variable in ggl90_init
416    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
417    o fix biharmonic diffusion on CS-grid.
418    o more obcs stuff
419      - added obcs_external_fields_load as an alternative to the EXF-pkg option
420        for reading boundary values. This routine is called from
421        obcs_prescribe_read
422      - updated obcs_check
423      - changed sponge layer relaxation parameter units for days to seconds
424      - turned off sponge layer by default
425      - changed argument list of OBCS_CALC to myTime+deltaTclock
426      - fixed about 35 bugs in obcs_external_fields_load
427    
428    checkpoint55c_post
429    o obcs stuff
430      - new runtime flags useOBCSprescribe, useOBCSbalance
431      - re-arranged obcs_calc
432      - moved exf_getobcs to obcs_prescibe_read
433        obcs_prescibe_read is called after ORLANSKI stuff
434        and independent of it (executable can contain all).
435      - updated obcs_check
436      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
437        These may be necessary only if tangential velocities are
438        prescribed at OB, not sure, needs testing.
439    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
440      which simplifies the calls and passes the ifc check-bounds test
441    
442    checkpoint55b_post
443    o add a 2D scalar, Z location, exchange_2 routine.
444    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
445      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
446      affects advect_cs results (for the wrong reason): update output.txt
447    o use a more standard discretization for biharmonic viscosity ;
448     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
449      affects results of dome set-up: update output.txt
450    o fix gad_advection.F (CubedSphere part), back to version 1.23
451    o fix bug in mom_vi_del2uv.F (CubedSphere part).
452    
453    checkpoint55a_post
454    o merged code to
455      * prescribe/read time-dependent open boundaries
456        (works in conjunction with exf, cal)
457      * sponge layer code for open boundaries
458      * each boundary N/S/E/W now has its own CPP option
459        (healthy for the adjoint)
460    
461    checkpoint55
462    o up-to-date adjoint of previous breaks
463      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
464      - global_ocean_ebm: adjoint still needs fix (TLM ok)
465      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
466      - carbon: * remove tr1-related adjoint verification
467                * add ptracer as control variable
468    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
469      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
470    
471    checkpoint54f_post
472    o in verification/carbin/ remove experiment related to
473      ALLOW_PASSIVE_TRACER (array tr1 etc)
474      code_ad/ input_ad/ results_ad
475    
476    o add two new packages
477      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
478        + subject to optimization (memory)
479      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
480        + subject to reordering (many GOTOs in the original code)
481        + so far opps is called for every (i,j) point, and then operates in
482          the vertical; one may want to reorder the scheme in order operate in
483          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
484          fields)
485    o overhaul of IO so that we now have flags for MDSIO and/or MNC
486      - all verification tests compile and run with linux_ia32_g77
487      - defaults are compatible with current input files--nothing
488        should change if you were not previously using MNC
489      - MNC output has been added in numerous places (eg. timeave)
490        but there are still a few writes not yet do-able with MNC
491        (this is in progress)
492      - flags now allow for either/or/both use of MDSIO and MNC and
493        documentation will soon follow
494      - numerous small formatting cleanups for ProTeX
495    o add version info (via BUILD_INFO.h) to MNC and stdout
496    
497    checkpoint54e_post
498    o add two new packages
499      - pp81 (Packanowski and Philander, 1981), Richardson number and
500        stratification dependent mixing
501      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
502      - these scheme operate in a similar manner as KPP (without ghat, of
503        course), however there is only one diffusivity that is used for both
504        temperature and salinity (and passive tracers)ç
505    o add offline package
506    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
507      provided by Stephanie Dutkiewicz
508    o genmake2: add ability to search for C compilers and cleanup test output
509      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
510    
511    checkpoint54d_post
512    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
513    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
514      leading to additional shift by 5 days each year of integration
515       (i.e. leading to considerable offset over the years)
516    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
517    o start with no AB and no initial filtering (staggerTimeStep):
518      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
519    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
520      (external loading & cpl import/export stay in forward_step.F)
521    o update coupling interface to work with new staggerTimeStep
522    o change MDSIO ptracers_pickup.
523    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
524    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
525    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
526    
527    checkpoint54c_post
528    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
529      this affects (truncation error) output.txt of test-exp:
530       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
531    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
532    o change Qnet to always be the net heat flux, (+upward).
533      affects (truncation error) output of natl_box exp.: updated
534    o define the max number of passive tracers in PTRACERS_SIZE.h
535    o start to test mnc routinely in exp0
536    o add sea-ice loading (sIceLoad) as a new forcing field.
537    
538    checkpoint54b_post
539    o add testreport "-j JOBS" option for parallel builds (tested and pretty
540       impressive on Altix and Opteron systems)
541    o diagnostics can now write NetCDF files through the mnc package
542    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
543    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
544    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
545      affects (truncation error) output of lab_sea & natl_box exp.: updated
546    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
547    
548    checkpoint54a_post
549    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
550    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
551    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
552    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
553      + internal_wave (shift in writing cg2d_ini_res)
554    checkpoint54a_pre
555    
556    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
557      - modified verification/lab_sea and natl_box_adjoint accordingly
558    
559    checkpoint54
560    checkpoint53g_post
561    o prepare splitting of thermodynamics: store convect.counter in common block
562    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
563      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
564    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
565    o new parameter "nShapS": allow to treat differently S from T (nShapT)
566    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
567    o restore adjointability
568    
569    checkpoint53f_post
570    o modifications that affect AIM experiment results (update output.txt):
571      - no advection of S at top interface Nr (pkg/generic_advdiff)
572      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
573    o AIM pkg:
574      - include stability function into surf.Flux derivative relative to Tsurf
575      - calculate clear-sky radiation & surface temp. change (for diagnostics)
576    
577    checkpoint53e_post
578    o merged cylindrical coord configuration
579    o added rotating_tank experiment
580    checkpoint53e_pre
581    
582    checkpoint53d_post
583    o faulks upgraded: re-generate output.txt that have changed:
584       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
585    o Added Bryan and Lewis, 1979, vertical diffusivity profile
586    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
587    o added Sadourny discretization of Coriolis
588      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
589      - re-enabled use of omega3 (useAbsVorticity)
590    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
591      vector-invariant equations
592      - note: does *NOT* yet use same variable visc. for no-slip BC's.
593    o recoded the lateral boundary conditions for non-hydrostatic w, this time
594      hopefully without new bugs
595      - still to do: biharmonic friction for non-hydrostatic w
596    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
597    o regenerated output for global_ocean_ebm (using -ieee)
598    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
599      of mom_common/
600      - simple re-arrangement of instructions within computing loop
601    checkpoint53d_pre
602    
603    checkpoint53c_post
604    o new version of coupler for AIM+thSIce and Ocean models
605     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
606     - land: change Evaporation of snow
607     - aim with thSIce: fix bug in snow-precip.
608    o changes to calc_gw.F
609     - bug fix for w^2 term near the bottom boundary
610     - (hopefully) improve the lateral slip boundary condtions for use with
611        partial/looped cells
612      - because the bug fix changes two verification experiments anyway (exp5
613        and plume on slope), change the lateral boundary condition from half slip
614        to the value of no_slip_sides
615    o ebm package wasnt quite up to the parallel task. Fixed that.
616    o Adjoint of EBM package + verification
617      * TLM OK
618      * ADM not sufficient accuracy yet (needs further testing)
619    
620    checkpoint53b_post
621    o Commiting new energy balance model to repository
622      * package is pkg/ebm
623      * verif. is verification/global_ocean_ebm
624      * references are in ebm_driver.F
625    C      * X. Wang, P. Stone and J. Marotzke, 1999:
626    C        Global thermohaline circulation. Part I:
627    C        Sensitivity to atmospheric moisture transport.
628    C        J. Climate 12(1), 71-82
629    C      * X. Wang, P. Stone and J. Marotzke, 1999:
630    C        Global thermohaline circulation. Part II:
631    C        Sensitivity with interactive transport.
632    C        J. Climate 12(1), 83-91
633    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
634    C        Destabilization of the thermohaline circulation
635    C        by atmospheric eddy transports.
636    C        J. Climate 7(12), 1870-1882
637    o Will need long integration testing.
638    checkpoint53b_pre
639    
640    o created pkg/mom_common in preparation for variable viscosity code
641    o renamed and split ini_mnc_io
642    o pkg/land: only liquid water can diffuse or run-off
643    o AIM using land: soil wetness availability account for snow
644    o added printMapIncludesZeros to EEPARMS namelist
645    
646    checkpoint53a_post
647    o restore TAMC compatiility for exf_constants.h
648      (no usage of _d in .h)
649    o Additional storing in KPP in an attempt to fix
650      TAMC problem with adjoint of KPP code.
651      (no success...)
652      Identical code works fine with TAF.
653    o Fixed verification/natl_box_adjoint experiments.
654      Initial conditions for Experiments 4 and 5 are now
655      set to "SEAICE_initialHEFF=0", which is more reasonable,
656      and hence gives results closer to that of Experiment 2.
657      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
658    
659    checkpoint53
660    o stable checkpoint with up to date adjoint
661      TLM tests only run for 1st grdchk at the moment. Its unclear if
662      this is a code problem or a problem with resetting code for g_
663      variables that is being autogenerated wrong.
664      Otherwise:
665       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
666       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
667         are both still in chaos following their security messes.
668    
669    checkpoint52n_post
670    o various build (mostly genmake2) changes including:
671      - ability to build/run more easily within Cygwin and MacOS X
672      - more complicated Makefiles with a stronger dependence on Gnu Make
673    o pkg/seaice modifications
674      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
675        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
676        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
677      - changed proxy for geostrophic velocity and updated
678        verification/lab_sea/results/* accordingly
679      - removed ADI dynamic solver from pkg/seaice
680      - replaced all occurrences of 1/CSTICE or 1/CSUICE
681        they caused a segmentation fault under certain circumstances
682      - removed unused field WATR
683    o bug fix in exf-package:
684      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
685         now reflect that.
686    o small fixes in the cal-package:
687      - set reference date to first of January for the 'model'-calendar
688      - failing of cal_CheckDate in cal_FullDate now actually results in a
689        warning
690    o small modifications in exf-package to increase flexibility:
691      - change climtempfreeze from a constant to a runtime parameter that
692        is specified in data.exf_clim (default = -1.9)
693      - introduce runtime parameter windstressmax (default = 2.0) that is
694        specified in data.exf
695    o fix in pkg/thsice:
696      - update Evap (Tsf changes) to be consistent with Latent heat flux
697      - maintain snow precipitation unchanged (even if Tsf >=0).
698     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
699    
700    checkpoint52m_post
701    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
702      this does not change any of the results, because myIter=0 in swfrac always
703      lead to jwtype=2 (the default anyway), but the call makes little sense
704      as a default
705    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
706    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
707      atmospheric model (AIM) to use it ; add a "slab ocean" component.
708    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
709    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
710    o extending useSingleCpuIO option to work with new exch2 I/O format
711      - old-style, missing-tile I/O is still accessible by defining CPP
712        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
713    o monitor package can write to NetCDF files and/or STDOUT
714    o fix re-definition bug in MNC_GRID_INIT_ALL()
715    o doc/api_reference added
716      - a framework for building an API Reference Manual using all
717        the "protex" comments embedded in the code
718      - see pkg/generic_advdiff, pkg/mnc for examples
719    o MNC:
720      - make myThid the last argument for all subroutines
721      - new default for the grid files: NO halos
722      - add useMNC and other run-time flags
723      - separate per-file-group handling of the unlimited dimension
724      - early initialization of MNC w/ flags read at the eeboot stage
725        and lookup tables set in initialize_fixed
726      - write all MNC output to a freshly-created directory
727    o thermodynamics sea-ice (thsice) is now tested with testreport.
728    o test exp. advect_cs: use the standard cs32 grid ; update output.
729    o Added functionality to grdchk:
730      pick global i,j,k position (or nearest wet) where to perform check.
731    
732    checkpoint52l_post
733    o new land formulation:
734      a) use ground enthalpy as prognostic variable to ensure exact
735         energy conservation.
736      b) account for water temperature and for latent heat of freezing
737         in all processes (rain, run-off, ground storage)
738      c) compute surface and ground temperature implicitly.
739    o aim_v23 modification for new land model:
740      a) Treat separately land / ocean / sea-ice surface fluxes
741         to allow implicit computation of land & sea-ice surface temp.
742      b) add snow precipitation.
743    checkpoint52l_pre
744    
745    o fix problem (when 1 tile is empty) in min/max monitor.
746    o fix bug in timeAve (u,vZetatave in common block)
747    o no restoring terms under ice for pkg/seaice
748    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
749    o bug fix for pkg/seaice pickups
750    o change MNC call locations and add coordinate attributes
751    o mask vorticity at the corner ; affects global_ocean.cs output
752    o fix ini_curvilinear_grid ; test CS experiments with mpi
753    o aim.5l_cs: modify sea-ice fraction input file ; update output
754    o exf: Adding simple range check routine for exf fields after read
755    
756    checkpoint52k_post
757    o removed top-level directory "diags"
758      - we migrated these functions to pkg/timeave a long time ago
759    o fixed bug introduced in pkg/monitor
760    o accuracy ctrlprec = 32 insuffient for gradient checks using
761      averaged fields (I/O via cost_averages)
762      -> use ctrl.h in active_file*.F to control I/O precision.
763    o paramter list of CALL ADTHE_MAIN_LOOP
764    o added initial do_the_model_io to ecco
765    o set all ...Freq to zero after cost_final
766      taveFreq, dumpFreq, pChkptFreq
767    o MAIN and ECCO differentiability restored
768    
769    checkpoint52j_post
770    o fix nchklev in tamc.h for global_ocean...
771    o Bringing flow and store directives up-to-date
772    o Really weird thing!
773      call do_the_model_io from the_main_loop with parameters
774      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
775      TAF places a faulty re-call of initialise_varia
776      after cost_final call which should not be there!
777    checkpoint52j_pre
778    
779    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
780      error messages
781    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
782    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
783      debug output
784    o modfied mdsio_writefield.F to handle non-global files under exch2
785    o update AIM Cubed-Sphere exp (aim.5l_cs):
786      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
787    o update AIM Equatorial Channel exp:
788      use standard aim_v23 pkg and change the SST fields to be more realistic.
789    o globalFile now works with exch2
790    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
791      mon_vort3.F to make exch2 friendly with >1 tile per cube face
792    o limit timeave output for hi-res integrations
793    
794    checkpoint52i_post
795    o removed CPP_EEOPTIONS.h from verification/*/code
796    o updated the tiling for global_ocean_pressure
797    checkpoint52i_pre
798    
799    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
800      the old pkg/aim).
801    
802    checkpoint52h_pre
803    o shortened offending lines in exch2_send_rx?.template
804    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
805    o genmake2: add build & execute test for NetCDF code
806    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
807      old grid files, moved CPP_EEMACROS.h to pkg/exch2
808    o added useSingleCPUIO flag to monitor.F and mon_out.F
809    o added temporary hack for sea-ice dynamics on the cube:
810      metric terms are ignored and it is assumed that
811      there is no sea-ice on cube faces 1, 2, 4, and 5.
812    
813    checkpoint52f_post
814    o added exch2 cube routines to pkg/exch2
815    o modified hs94.cs-32x32x5 to use it
816    o added new grid files to hs94.cs-32x32x5
817    checkpoint52f_pre
818    
819    checkpoint52e_post
820    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
821      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
822    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
823      to work with implicit vertical advection and AB ;
824    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
825    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
826     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
827    checkpoint52e_pre
828    
829    o fix bug in impldiff when Nr=1 or Nr=2.
830    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
831    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
832    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
833      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
834    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
835    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
836    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
837    
838    checkpoint52d_post
839    o re-tiled many expts to allow comparison in multi-processor mode
840      - updated output accordingly
841      - changed hs94.128x64x5 to use intial T from file rather than use the
842        random number generator
843    o add infrastructure in model routines for fizhi and gridalt packages
844    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
845    o changes to permit hi-res, cubed-sphere, configuration
846      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
847      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
848      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
849        of surface winds for the cube
850      (A verification experiment, based on global_ocean.cs32x15, but with
851       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
852       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
853       complete with example surface forcing files and matlab scripts to look
854       at the output and compare it with that of global_ocean.cs32x15.)
855    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
856       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
857       to conform to the common rule.
858    o check-in the first version of the coupler + interfaces for multi-components
859       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
860       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
861       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
862       - ocean and atmos. share the same horizontal grid (no interpolation).
863       - exchanges between component and coupler is done in forward_step
864    o new verification experiment, cpl_aim+ocn:
865       coupled ocean - AIM atmosphere on cs32 grid.
866    
867    checkpoint52d_pre
868    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
869    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
870    
871    checkpoint52c_post
872    o Fixing OPTIONS files for use of exf:
873      - ALLOW_ECCO not needed
874      - ECCO_CPPOPTIONS.h should not be included from
875        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
876        as has been the case in the past
877      - All cal/exf related options are currently set in
878        single header file. Should remain so until we
879        agree on a consistent new policy.
880    o Removed all CPP options for cal package.
881      cal has no more CPP options.
882    o modified STOREs in GAD_ADVECTION
883    o corrected key comp. for passkey
884    
885    checkpoint52b_post
886    o new version: "thsice" of thermodynamic sea-ice pkg:
887     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
888     - modify fluxes but do not change theta directly;
889     - light cleaning of bulk_force pkg (still needed with thsice).
890     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
891       + output_thsice.txt to test thsice & bulk_force pkgs.
892    o put back grid & coriolis monitor output.
893    checkpoint52b_pre
894    
895    o call "do_the_model_io" at the beginning (=> dump initial state)
896    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
897    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
898      (need info on NUMBER_OF_PTRACERS)
899    o missing PTRACERS headers in some routines
900    o default tamc.h in pkg/autodiff supposed to crash
901      to ensure proper customization
902    
903    checkpoint52a_post
904    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
905      - moved surfaceTendencyTice from pkg/seaice to main code
906      - subroutine FREEZE_SURFACE now limits only surface temperature
907        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
908        => new output.txt for global_ocean.cs32x15 & global_with_exf
909      - keep the old version of FREEZE for backward compatibility;
910        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
911      - corresponding modifs for TAF directives
912    o added surface flux output variables to TIMEAVE_STATVARS
913    o time-averaged output for pkg/ptracers
914    o fix problem with ECCO-related divided adjoint
915      snapshot file was missing some ad-variables,
916      but no warning issued by TAF
917    
918    checkpoint52a_pre
919    o some bug fixes for #undef REAL4_IS_SLOW
920    
921    checkpoint52 = ecco_c52_e35
922    o after testing adjoints of checkpoint51u_post
923    
924    checkpoint51u_post
925    o this is the post-merge tag of the ecco-branch
926      (needs another clean checkout and re-testing)
927    o various natl_box_adjoint configs and results
928      but no input fields
929    o obcs adjoint not yet merged!
930    o adding ECCO global 1x1 and 2x2 degree configs
931    o updated/extended some store directives for seaice
932    o pkg/ecco now containes ecco-specific part of cost function
933    o top level routines the_main_loop, forward_step
934      supersede those in model/src/
935      previous input data.cost now in data.ecco
936      (new namelist ecco_cost_nml)
937    o in ctrl/ cleaned some cross-dependencies and updated CPP options
938    
939    checkpoint51t_post
940    o this is the pre-merge tag of the ecco-branch
941    
942    checkpoint51s_post
943    o cleanup: removed various obsolete #define-s
944    o pkg/grdchk
945      - renamed 'ph-grd 3' to 'grad-res'
946      - merged from ecco-branch
947        (remaining bug fixes for obcs gradient checks)
948      - additional high-precision output for testreport
949        (grep for 'precision_grdchk_result')
950    
951    checkpoint51r_post
952    o cleaned up or removed CPP_OPTIONS.h files
953    o updated results for some of the tests to reflect the new
954      optfiles (-ieee: -O0 instead of -O3)
955    
956    checkpoint51q_post
957    o cd_code:
958      - moved cd_scheme.F -> cd_code_scheme.F
959      - separate read_checkpoint from cd_code_ini_vars.F
960      - separated cd_code part from write_checkpoint
961      - updated AD_SOURCE, generated .flow
962      - added CD_CODE_VARS.h to the_main_loop
963      - Moving cd_code specific store dir.s to pkg/cd_code
964    o ctrl package totally restructured
965      - pack/unpack now optional and decoupled from
966        xx_/adxx_ I/O
967      - ctrl_pack/unpack cleaned
968        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
969      - confined inclusion of AD_CONFIG.h to where necessary.
970    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
971    
972    checkpoint51p_post
973    o create initial cd_code package
974      - WARNING: the initialization of fields within packages
975        is broken because INI_FIELDS (where READ_CHECKPOINT is
976        called) is called *before* PACKAGES_INIT_VARIABLES.
977        This seems to be backwards since
978        1) its important to initially zero the entire field including
979           the "halo" region
980        2) zeroing needs to be done *before* reading pickup info
981           and the pickup call might or might not happen in any
982           particular run
983      - this needs an overhaul for R2
984    o cleanup verification/*/code/GMREDI_OPTIONS.h
985    o cleanup testreport
986    
987    checkpoint51o_post
988    o bringing AD-related verif's up to date with genmake2
989      - carbon/
990      - global_ocean.90x40x15/
991      - hs.94.1x64x5/
992      - (front_relax/ )
993    o (more) consistent directory structure for AD-related verif.'s
994    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
995    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
996    o bug fix in find_alpha.F for MDJWF:
997      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
998        change rho -> rho-rhoConst
999      - replace call find_rho to find_rhonum
1000    o initialisation of rFlx extended to full array (required by TAF)
1001      and shifted to thermodynamics
1002    o removed PTRACERS.h in ptracers routine
1003    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1004    o Correcting initialisations for fVerU, fVerV.
1005    o helping TAF to recognize dependency on kUp for
1006      fVerU, fVerV
1007    o Replacing delZ by delR in pkg/ctrl/
1008    checkpoint51o_pre
1009    
1010    o undid all of cp51 pending some cleanups and discussion
1011    o added the [#include "AD_CONFIG.h"] statement to all files that need
1012       it for adjoint/tl #defines
1013     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1014     o removed tools/genmake since it no longer works
1015    
1016    checkpoint51n_post
1017    o modifications to make FREEZE flux visible to pkg/kpp
1018      - moved surfaceTendencyTice from pkg/seaice to main code
1019      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1020      - subroutine FREEZE now limits only surface temperature
1021        (this means new output.txt for global_ocean.90x40x15,
1022         global_ocean.cs32x15, and global_with_exf)
1023    o added surface flux output variables to TIMEAVE_STATVARS
1024    
1025    checkpoint51n_pre
1026    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1027    o added [#include "AD_CONFIG.h"] to all files that use the following
1028      defines:
1029      - ALLOW_ADJOINT_RUN
1030      - ALLOW_TANGENTLINEAR_RUN
1031      - ALLOW_ECCO_OPTIMIZATION
1032    
1033    checkpoint51m_post
1034    o incorporating changes to get TAMC/TAF working in genmake2
1035      - added new TAMC/TAF targets to the Makefile
1036      - various cleanups related to package handling
1037      - these changes should have no impact on the forward model
1038    
1039    checkpoint51l_post
1040    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1041     - faster algorithm for cal_addtime.F
1042     - higher precision arithmetic, where needed
1043     - pkg/exf *startdate variables changed from calendar date to
1044       model integration time
1045    
1046    checkpoint51l_pre
1047    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1048    o enable to apply restoring on S & T only in a latitude band.
1049    o update output (external_forcing_surf modif. change truncation errors)
1050       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1051    
1052    checkpoint51k_post
1053    o change default to: useNHMTerms=.FALSE.
1054     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1055       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1056     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1057        exp1, ideal_2D_oce
1058     - change data file of oceanic exp (leave the results unchanged for now)
1059       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1060    o set gravitySign automatically according to the vertical coordinate used
1061      (and change sign: back to "logical" value: +1 when R increases downward)
1062    o added an include barrier to the default CPP_OPTIONS.h and
1063      removed the #include "PACKAGES_CONFIG.h" from it
1064    o fix a bug in mom_fluxform (from chk51j_post)
1065    
1066    checkpoint51j_post
1067    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1068    o adjusted some flow directives (dynamics, thermodynamics)
1069    o added cubed-sphere case to test cost function
1070    o heckpoint_lev?_directives.h now include
1071      pkg-specific directives, whenever those are enabled.
1072    o Moving pkg-specific flow directives to corresponding pkg
1073      Moving pkg-specific differentiation list to corresponding pkg
1074      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1075      ---> conventions are
1076           - pkg_ad.flow
1077           - pkg_ad_diff.list
1078           - pkg_ad_check_lev?_dir.h
1079    
1080    checkpoint51i_post
1081    o merge of the branch-genmake2
1082      - knowingly breaks the older genmake
1083      - automatic generation of all ALLOW_${PKG_NAME} defines
1084      - new testreport supersedes older testscript
1085    o large number of package inclusion and header cleanups
1086    checkpoint51i_pre
1087    
1088    o new output for adjoin of global ocean vector invariant
1089    o fix for checkpoint of thermodynamic seaice and bulk_force
1090    o Steph gchem various cleanups
1091    
1092    checkpoint 51h_pre
1093    o fixed some single quotes
1094    o modify gchem pkg to be more versatile
1095    o modifications to clean up dic pkg
1096    o add pkg/cfc
1097    
1098    checkpoint51g_post
1099    o provide links for ARPACK and ADM*TLM
1100    o start removing verification/vero/
1101    o update AD-related stuff
1102      (in particular some IF-statements in model/src/ routines)
1103    o adding to verification/global_ocean.90x40x15/ adjoint of
1104      vector invariant setup
1105    
1106    checkpoint51f_post
1107    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1108    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1109      of tracer Green's fucntions for ocean inversion project.
1110    
1111    checkpoint51f_pre
1112    o Added on-the-fly spatial interpolation capability
1113        "USE_EXF_INTERPOLATION" to pkg/exf.
1114      - This is a temporary Cartesian-grid hack until
1115        the super-duper ESMF coupler becomes available.
1116      - See verification/global_with_exf/README for usage example.
1117      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1118        flags and modified pkg/seaice accordingly.
1119    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1120        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1121        non-local transport term.
1122    
1123    checkpoint51e_post
1124    o pkg/mom_vecinv:
1125      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1126      - add time-ave diagnostic of vorticity advection.
1127    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1128    o atmospheric geopotential: - include water vapor effect;
1129                                - use p^kappa in p* scaling.
1130    o land pkg: read initial state from files.
1131    o AIM : add stratospheric drag in the upper level
1132    
1133    checkpoint51d_post
1134    o change function ILNBLNK (=> last non-blank char.) to return zero
1135      (instead of the string length) when the string. char is empty
1136    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1137    o modif's to restore TAMC compatibility
1138      - avoid "_d" constructs in PARAMETER declarations
1139      - avoid interrupting lines by comment lines
1140    o Use cluster local disks for purely local I/O
1141      vs. globally visible disks needed for ctrl stuff
1142      (merged from ecco-branch)
1143      - new active_file_loc... and mdsio_..._loc routines
1144      - affected packages: autodiff, ctrl, grdchk, mdsio
1145    
1146    checkpoint51c_post
1147    o introducing integer flag debugLevel
1148      - debLevZero: suppress all output
1149      - debLevA: standard
1150      - debLevB: equivalent to current debugMode=.TRUE.
1151    o introducing pathname variable mdsioLocalDir for mdsio
1152      that can be specified at runtime
1153      (relevant for cluster I/O to local disk)
1154    `
1155    >>>checkpoint51b_post
1156    adjoint of ptracers
1157    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1158    o extended state in checkpoint_lev?, etc.
1159    o alternative ctrl/cost with tr1 or ptracer
1160    o new comlev1_bibj_ptracers
1161    o new ptracers.flow
1162    o made ptracers_forcing same as external_forcing_s
1163    o added verification for adjoint with ptracers
1164      - adm. grdchk fail so far
1165      - tlm. grdchk OK
1166      - checked tapelev/comlev recomputations: OK
1167    <<<checkpoint51b_pre
1168    
1169    checkpoint51a_post
1170    o added code for biogeochemistry package
1171      - new pkgs: dic, gchem
1172      - new subroutine in ptracers
1173    o modify code for biogeo packages
1174      - in model/src and pkg/ptracers
1175    
1176    checkpoint51
1177    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1178      - autodiff, ctrl, exf, grdchk, seaice
1179      kept separate packages
1180      - cost, ecco, obcs
1181    o updating verification/internal_wave, verification/lab_sea
1182      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1183    
1184    checkpoint50i_post
1185    o Preparing next differentiable checkpoint and sync
1186      of MAIN vs. ecco-branch
1187      - 1st step: this one is differentiable
1188      - 2nd step: next(! not this) checkpoint will have updated packages
1189                  from ecco-branch)
1190    
1191    checkpoint50h_post
1192    o new package "land": provide surface BC for AIM.
1193    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1194    o AIM: use true log-P extrapolation for near surface temp (= as in
1195        F.Molteni paper) ; update aim.5l_cs output.
1196    o New variable in PARM03 for more flexible pickups
1197    o somewhat cleaned package initialisation sequence for
1198      ctrl/ cost/ ecco/ in packages_... routines
1199    
1200    checkpoint50g_post
1201    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1202      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1203      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1204        made the default because of faster convergence than ADI
1205    
1206    checkpoint50f_post
1207    o exf totally restructured
1208      - replaced all exf_set_ routines by one generic exf_set_gen.F
1209        and made sure it's still differentiable
1210      - split exf_getffields.F into new exf_bulkformulae.F
1211      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1212      - updated adjoint/makefile and relevant verif. accordingly
1213    
1214    checkpoint50f_pre
1215     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1216          + change Evap over land. (update aim.5l_cs output)
1217     o added missing .cvsignores and made uniform across expts
1218     o changed configuration of tidal_basin_2d expt
1219     o added pkg/debug functions for tracing code in fatal crashes
1220     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1221     o new fn in pkg/monitor to stop model if solution grows too big
1222     o removed lots of single quotes from comments
1223    
1224    checkpoint50e_post
1225    o make KPP work with PTRACERS
1226     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1227       nearly a copy of kpp_transport_s
1228     - there is no analogue to SurfaceTendencyS, so I have to use
1229       gPtr(of the surface layer) instead
1230    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1231    checkpoint50e_pre
1232    
1233    checkpoint50d_post
1234    o change kpp output from multiple-record state files to single-record state
1235      files analogous to write_state.F
1236    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1237      analogous to the cg2d-related output.
1238    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1239      so that writing to internal file fn (with length 512) fails.
1240    checkpoint50d_pre
1241    
1242    checkpoint50c_post
1243    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1244    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1245    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1246    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1247    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1248    
1249    checkpoint50c_pre
1250    Merging from release1_p13:
1251    o bug fix for pkg/seaice dynamic solver
1252    o Added SEAICE_initialHEFF to pkg/seaice
1253    
1254    checkpoint50b_post
1255    o store u*,v* in gU,V instead of in guNm1,gvNm1
1256    o in order to put the momForcing out of the Adams-Bashforth:
1257      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1258      to timestep.F
1259    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1260    o re-generate output for highly sensitive test-exp:
1261       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1262    
1263    checkpoint50b_pre
1264    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1265    o corrected CPP option mismatch in exf_Bulk... functions for case
1266      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1267    
1268    checkpoint50a_post
1269    o Bug fix for merging between c50 and KPP.
1270      ikey was passed from thermodynamics to kpp_calc via
1271      common block rather than being recomputed in kpp_calc,
1272      in contradiction with new key itdkey.
1273      New key ikppkey created, and tamc.h headers updated.
1274    
1275    checkpoint50
1276    - 2nd step of merge with ecco-branch:
1277      merge changes in ecco-branch back into main trunk
1278    - bug fix in find_alpha
1279    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1280    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1281    - merged some sliced AD support routines
1282    
1283    checkpoint49
1284    merged from ecco-branch:
1285    o exf:
1286      - Enable initialisation of forcing fields to constant
1287        (runtime) values.
1288      - in exf_getffields.F
1289        Reduce i-/j-loop to interior domain, discarding overlaps.
1290        That also fixes wrong TAF-key computations for key_1, key_2
1291        with bulf formulae.
1292      - exf_init.F modify #ifdef for exf_init_evap
1293      - exf_getffieldrec.F, ctrl_getrec.F
1294        The following INT-usages are not safe:
1295          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1296          fldcount = int(fldsecs/fldperiod) + 1
1297        and were modified.
1298    o autodiff: checkpoint_lev...
1299      - updated storing for bulk formulae (some arrays were missing)
1300      - added state for seaice package
1301      - synchronized with main branch
1302    o DIVA:
1303      Modif.s in
1304      - the_main_loop.F
1305      - the_model_main.F
1306      and added cost_final_restore.F cost_final_store.F
1307      o With these changes, it is possible to fully separate
1308        the first forward run to compute the cost function (mdthe_main_loop)
1309        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1310        into separate model executions.
1311        This enables better tuning of DIVA to given queue sizes.
1312      o Loss of cost function value in consecutive DIVA runs is
1313        fixed by storing to 'costfinal' file.
1314      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1315        beginning/end of adjoint integration is accounted for.
1316      The current changes apply to TAF-1.4.26.
1317      TAF has one remaining bug, requiring one manual change
1318      (see MITgcm manual).
1319    o cal: synchronized between MAIN and ecco-branch
1320    
1321    checkpoint48i_post
1322    o Changes to restore differentiability of code w.r.t. previous tag
1323      (mostly adding new routines to make list and replacing
1324      pressure by totPhiHyd).
1325    o Updated and merged grdchk package
1326      - has both ADM and TLM checks
1327      - works for single- and multi-proc.
1328      - output cleaned
1329      - worked successfully for parallel DIVA
1330    o genmake:
1331      - Adding -platform=SP4
1332      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1333    o Modif. for DIVA:
1334      ctrl_unpack should not be called in intermediate DIVA interval.
1335      (similar thing would apply for active files such as
1336      tbar, sbar, psbar, which should not be reinitialised;
1337      only relevant for ecco-branch)
1338    
1339    checkpoint48h_post
1340    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1341    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1342    o Added SEAICE_initialHEFF to pkg/seaice
1343    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1344    
1345    checkpoint48g_post
1346    --- EOS:
1347    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1348      store total Potential in totPhyHyd for diagnostics & EOS.
1349    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1350    --- Pressure/geopotential gradient:
1351    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1352    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1353      ( changes results of global_ocean_pressure )
1354    o NLFS + z-coord.: add eta*Rho' contribution.
1355    o accurate phiHyd when using interface-W at the middle between 2 centers
1356     ( changes results of ideal_2D_oce )
1357    o includes r* 2nd term in potential gradient.
1358    
1359    checkpoint48f_post
1360    Merging from release1_p12:
1361    o Modifications for using pkg/exf with pkg/seaice
1362      - improved description of the various forcing configurations
1363      - added basic radiation bulk formulae to pkg/exf
1364      - units/sign fix for evap computation in exf_getffields.F
1365      - updated verification/global_with_exf/results/output.txt
1366    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1367      (SBO) core products, including oceanic mass, center-of-mass,
1368      angular, and bottom pressure (see pkg/sbo/README.sbo).
1369    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1370      to avoid negative values in shallow regions.
1371      - updated verification/natl_box/results/output.txt
1372      - updated verification/lab_sea/results/output.txt
1373    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1374    o Added useSingleCpuIO option (see PARAMS.h).
1375    o Updated useSingleCpuIO option in mdsio_writefield.F to
1376      work with multi-field files, e.g., for single-file pickup.
1377    o pkg/seaice:
1378      - bug fix in growth.F: QNET for no shortwave case
1379      - added HeffFile for specifying initial sea-ice thickness
1380      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1381    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1382      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1383    o pkg/seaice:
1384      - adjoint-friendly modifications
1385      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1386    
1387    checkpoint48e_post
1388    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1389    o dynamics: change definition of computational domain & adapt mom_fluxform
1390      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1391    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1392        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1393        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1394        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1395        inverted_barometer solid-body.cs-32x32x1
1396      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1397    
1398    checkpoint48d_post
1399    o in preparation for r*:
1400     a) use pre-computed gradient of hydrostatic potential:
1401        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1402     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1403        => affects results of glob_oce_pressure (different truncation error)  
1404      update output.txt of ideal_2D_oce & global_ocean_pressure
1405    
1406    checkpoint48d_pre
1407    o in preparation for r*:
1408      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1409      pass the 2 comp. of the grad. as arguments to momentum S/R.
1410      but for the moment, only used if it does not change the results.
1411    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1412    
1413    checkpoint48c_post
1414    Modifications in treatment of initial flux forcing controls
1415    to avoid extra storing of flux fields.
1416    
1417    checkpoint48c_pre
1418    o Added tidal_basin_2d experiment (currently 1D!)
1419    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1420    
1421    checkpoint48b_post
1422    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1423     (modification to pressure gradient not yet implemented)
1424    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1425      (for U & V) that are used for vertical advection of momentum.
1426    
1427    checkpoint48a_post
1428    o In preparation for r*, use temp. array to compute vertical transport
1429       in flux-form momentum pkg. => change results of few test-exp.
1430      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1431                        lab_sea, natl_box & plume_on_slope
1432    
1433    checkpoint48
1434    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1435    
1436    checkpoint47j_post
1437    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1438    o moved adexch from forward_step to addummy_in_stepping
1439    o added exch in ctrl_map_...
1440    o aveFreq.=0. at end of cost_final to avoid overwrite in
1441      reverse checkpointing loop
1442    o Yet more changes in gmredi:
1443      * adgmredi_calc_tensor
1444        avoiding all recomputation of gmredi_slope_limit
1445      * adgmredi_x/y/rtransport
1446        added flag for excessive storing to avoid recomp. of
1447        u/v/rtans, dTdx/y/z
1448        -> this is not really necessary and very memory-consuming
1449      * adgmredi_slope_psi:
1450        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1451      * gmredi_slope_limit
1452        re-activated full calculation of taperfct for case 'ac02'
1453    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1454    
1455    checkpoint47i_post
1456    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1457    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1458      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1459    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1460    o gmredi: fix few bugs.
1461    
1462    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1463    This will be a good checkpoint to plug into the ecco-branch.
1464    o few modif.'s to get latest version adjointed
1465      (mainly kick out code in ini_linear_phisurf)
1466    o modif's to run adjoint with exactConserv
1467    o case GM_BOLUS_ADVEC should be cleaned
1468      S/R gmredi_slope_psi should be cleaned
1469    o verification/carbon now has exactConserv=.TRUE.
1470    
1471    checkpoint47g_post
1472    o time-average AIM output: becomes independent from statvars time-average
1473      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1474    o After TAF bug fix:
1475      Tested adjoint of gmredi package.
1476      Tests were done with checkpoint47 rather than with latest
1477      checkpoint47f_post since the latter is broken for the adjoint
1478      verification/carbon/ contains both ADM and TLM gradient checks.
1479    Here they are, before they get changed/lost/stolen.
1480    Mostly modif.'s to fix numerical sensitivities.
1481    Gradient checks OK for
1482    - GM_taper_scheme:
1483      * clipping
1484      * ac02
1485      * linear
1486      * glw91
1487      * dm95
1488      * ldd97
1489    - GMREDI_OPTIONS:
1490      * GM_VISBECK_VARIABLE_K
1491      * GM_NON_UNITY_DIAGONAL
1492      * GM_EXTRA_DIAGONAL
1493      * GM_BOLUS_ADVEC
1494    in conjunction with data.gmredi parameters to be checked in
1495    in a few minutes under verification/carbon/code/
1496    
1497    checkpoint47f_post
1498    Merging from release1_p10:
1499    o modifications for using pkg/exf with pkg/seaice
1500      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1501        and SEAICE_EXTERNAL_FLUXES
1502      - pkg/exf CPP options EXF_READ_EVAP and
1503        EXF_NO_BULK_COMPUTATIONS
1504      - usage examples are Experiments 8 and 9 in
1505        verification/lab_sea/README
1506      - verification/lab_sea default experiment now uses
1507        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1508    
1509    checkpoint47e_post
1510    o created a tag prior to creating a branch
1511    
1512    checkpoint47d_post
1513    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1514      at the bottom boundary had an erroneous half slip boundary condition
1515    o added bottom drag and no slip boundary condition capabilities to
1516      oceanic pressure coordinates code
1517    o added new verification experiment global_ocean_pressure, this experiment is
1518      also described in the tutorial section of the manual
1519    checkpoint47d_pre
1520    
1521    checkpoint47c_post
1522    o Added a verification experiment for a global cubed-sphere ocean run
1523      -  verification/global_ocean.cubed32x32x30
1524      -  uses pkg/therm_seaice and pkg/bulk_forcing
1525    
1526  o allow to run AIM physics with SPEEDY input files (from Franco Molteni)  o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1527  o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)  o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1528    when using P-coordinate; only implemented for atmospheric config.    when using P-coordinate; only implemented for atmospheric config.

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