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revision 1.107 by cheisey, Mon Dec 2 13:28:30 2002 UTC revision 1.459 by jmc, Thu Feb 24 16:57:42 2005 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
7      update output.txt of exp. fizhi-gridalt-hs
8    o add more "Z" dimensions and associated coordinate vars to MNC
9    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
10    o parameter calendarDumps: when set, approximate months (30-31 days) and years
11      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
12      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
13      months and years.  Requires pkg/cal.
14    o diagnostics: add pickup functionality
15      - off by default for backwards compatibility
16      - current version only uses MDSIO -- MNC will be added
17    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
18    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
19    
20    checkpoint57d_post
21    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
22    o modify verification/ideal_2D_oce so that it tests the creation of mnc
23      output from the diagnostics package
24    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
25    o make genmake2 more portable by using ".$FS" instead of ".f" for more
26      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
27    o add coordinate variables to the MNC output from the diagnostics package
28    o change MNC-flags default value: true when useMNC=TRUE
29    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
30      the ability (off by default) to read the grid information using MNC
31    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
32    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
33    o do snap-shot diagnostics at the middle of the time-interval (instead of
34      at the end).
35    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
36      new test for AIM with thSIce + slab-ocean
37    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
38    o move state variable diagnostics to the beginning of the time step ;
39      (note: still needs some work specially for snap-shot diagnostics)
40      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
41    
42    checkpoint57c_post
43    o Change testing option (-ieee) to get closer agreement between g77 & ifort
44    o generate new output.txt files on faulks with g77 & the new -ieee option
45    checkpoint57c_pre
46    
47    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
48      update output.txt of exp. global_ocean.90x40x15
49    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
50      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
51    o add saltFlux(+File) forcing capability with periodicExternalForcing
52    o allow to use pkg diagnostics for GM-Redi & ThSIce output
53    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
54    o improvements for the MNC output from DIAGNOSTICS:
55      - correct handling of the unlimitied dimension
56      - all dims now have associated coordinate variables
57      - variables located at U, V, and Corner ("Z") points are now written
58        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
59        *all* data points are output
60    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
61    o added pkg/seaice/seaice_monitor.F
62    o mdsio_readfield.F can now read files visible only to master MPI process.
63    o pkg/seaice: some test code for ice-modified ocean stress
64    o exf_getffields interpolation defaults to bilinear for all scalar forcing
65      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
66      spurious negative numbers for precipitation and humidity.  Will cause
67      some small numerical differences for integrations using pkg/exf/exf_interp.F.
68    o pkg/ctrl/
69      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
70        May be enabled via doPackDiag
71      *  introduce z-scaling of
72         + gradient (doZscalePack) and
73         + control (doZscaleUnpack)
74    o pkg/mdsio/
75      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
76      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
77    
78    checkpoint57b_post
79    o simplify options in diagnostics_fill arguments (remove weird combinations)
80    o fix MNC coordinate variables so that they now contain per-face index
81      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
82      general, EXCH2 grids are only aligned to a "local" coordinate system
83    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
84    o Implement instantaneous output within pkg diagnostics:
85      setting a negative frequency in data.diagnostics produces
86     "snap-shot" output (as opposed to time-average if freq > 0)
87    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
88      NOTE: change ptracer diagnostics name: use 2 characters to work with
89            more than 9 tracers. Add also diagnostics of advect & diffus flux.
90    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
91      becomes the coordinate variable for the 'T' dimension
92    o add CF-style coordinate variables to MNC
93      - just a first cut:  numbers are meaningless on the cubesphere and
94        missing along the T axis but otherwise it works!
95    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
96    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
97    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
98      this is based directly on what the model compute, so that the content of
99      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
100    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
101    o clean up build options files for SunOS, in particular
102      - remove -traditional from xmakedepend
103      - change -xarch=v9 to -xarch=native for f77
104      - restore use of make (not gmake)
105      - add CC=gcc if using g77
106    o changes per discussion of AM, JMC, & EH3 today:
107      - move redundant "grid" variables out of "state" -- in preparation of
108        creating proper CF-style coordinate variables and in recognition
109        that any/all grid variables can be easily copied (eg. w/NCO) from
110        the grid files into any of the other NetCDF files
111      - *always* output grid variables with MDSIO (this will eventually be
112        changed)
113      - output MNC grid file if useMNC is true
114    o every instance of _END_MASTER() has been found and replaced with
115      _END_MASTER( myThid ) in order to satisfy certain picky Sun
116      preprocessors
117    o re-arrange diagnostics pkg initialisation:
118     - allow each package to extend the available diagnostics list
119     - add some checking and fix small problems (multi-threaded, ...)
120     - new S/R diagnostics_fill (replace fill_diagnostics):
121       look through the short list of active diag. (instead of the long list)
122       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
123    
124    checkpoint57a_post
125    o this set of changes restores TAMC compatibility
126      tested for global_ocean.90x40x15 adjoint on trough
127      (what a pain)
128    
129    checkpoint57a_pre
130    o some modifs in tools/build_options for sunos
131    o call ctrl_pack for ctrl at end for optimcycle=0
132    
133    checkpoint57
134    o add horizontal bi-harmonic viscosity for vertical velocity
135      - new parameter viscA4W (defaults to viscA4)
136      - affects only non-hydrostatic code
137      - to be done: no-slip lateral boundary conditions
138    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
139    o implement Implicit Vertical advection for pTracers
140    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
141      (implemented also for implicit vertical diffusion & advection)
142    o OBCS: extend application of tracer open boundary conditions
143      to a strip beyond the boundary of width Olx/Oly
144    o add call monitor to TAF set of required calls (flow directives)
145      and include in natl_box_adjoint
146    o untangle a few ifdefs related to cost, ctrl, autodiff
147      untangel a few ALLOW_ECCO_OPTIMIZATION
148    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
149      (theta2, salt2 in ecco_cost_weights)
150    
151    checkpoint56c_post
152    o OBCS as control variables
153      - update ctrl_ad_diff.list, obcs_ad_diff.list
154      - remove balance of obcs controls from default
155      - fix index bug nobcs in ctrl_init
156      - fix dummy fields filen in ctrl_pack
157      - add dummy weights for obcs
158    o lsopt: comment out fort.94 output
159    o optim:
160      - remove unnecessary header files
161      - adjusted namelists
162      - add xerbla.F to Makefile
163    o exf:
164      - multiple modifications of exf_check_range
165      - unit change in exf_init_runoff from [m/year] to [m/s]
166    o mdsio:
167      - i/o-vector change debugLevel from debLevA to debLevB
168    
169    checkpoint56b_post
170    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
171      is called from DO_THE_MODEL_IO
172      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
173      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
174      - clean up PTRACERS_WRITE_TIMEAVE a little
175    o add another verification experiment that tests both the cfc-pkg and
176      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
177      reactive tendencies treated inline with regular timestepping
178    o testreport previously did a lousy job of comparing small numbers, so
179      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
180      implemented in the little c-progam tmp_cmpnum.c which is embedded in
181      testreport.
182    o ptracers_monitor: bug fix for MPI
183    
184    checkpoint56a_post
185    o GCHEM: finish reorganizating the package
186      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
187        (introduces another 3D-array for each passive tracer, but only if
188        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
189        gchemTendency is not needed because the timestep is done separately)
190      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
191      - GCHEM is now---more or less cleanly---separate from PTRACERS
192      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
193        so clear to me how that should be done in a general way.
194    o CFC: improve formatting of output in CFC_ATMOS
195    o PTRACERS:
196      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
197        that ALL experiments with ptracers enable can be checked. This makes
198        GCHEM_MONITOR obsolete.
199      - include a runtime parameter PTRACERS_monitorFreq that defaults to
200        monitorFreq
201      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
202    o add PTRACERS (PTR0[1-5]) to testreport output
203    o exf_check_range:
204      * default changed to .TRUE.
205      * will check values for niter0 if debLevA, every timestep if debLevB
206      * STOP in exf_check_range if 'out of range'
207      * range chosen generous to allow for potential extema
208      TBD: a version with stricter range
209           permitted range would be runtime parameters
210    o GMredi:
211      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
212      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
213      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
214    o GCHEM:
215      - move call to GCHEM_FORCING_SEP, so that it is now called before
216        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
217      - introduced a useGCHEM runtime flag and applied it everywhere.
218      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
219        this flag is now only visible within GCHEM-pkg routines.
220      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
221        be replaced by a 3D array that is computed before thermodynamics; for
222        this, the tracer ID iTracer had to be included into the parameter list
223        of ptracers_forcing
224      - set up forward_step to call gchem_forcing, that will replace
225        gchem_forcing_int in ptracers_forcing
226      - cleaning up
227    o small cleaning of exch2: remove files that are also in eesupp/src
228    
229    checkpoint56
230    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
231    o mnc: cleanup "full" files--fixes out-of-memory problem
232    o ECCO-GODAE
233      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
234      * fully merged and updated from SIO code
235        windstress sign change affects
236        - exf_inscal_[u/v]stress
237        - sign of xx_tau[u/v] adjustments
238        - signs in cost_scat
239      * ctrl_get_gen: avoid update of tau[u/v] for first few days
240      * natl_box_adjoint updated and compressed
241      * 2-level checkpoint switch added
242        (tested in EXP. 1 of natl_box_adjoint)
243      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
244    o SVD
245      * first complete, non-hacked version for SVD calculations
246      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
247        performed via direct access files admtlm_vector.it????
248        (via ctrl_[un]pack)
249      * optimcycle is used for ARPACK iteration counter
250        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
251      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
252        and add linear transforms where necessary
253      * controls are initial/final SST, SSS (can be extended; need to check
254        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
255    o mdsio: filename info to both stderr, stdout
256    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
257      from sign change
258    
259    checkpoint55j_post
260    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
261      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
262    o add consistent build directories and .cvsignore files to verification
263    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
264    o make all subroutines 30 or less characters in length for certain older
265      compilers to work (a thorough search only turns up two routines in
266      pkg/ptracers)
267    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
268      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
269    
270    checkpoint55i_post
271    o change arrays for total vertical diffusivity (2.D if explicit,
272      3.D if implicit) ; each ptracer uses its own background value.
273    o added mnc/NetCDF output capability to ocn_compon_interf
274      - added bits to verification/cpl_aim+ocn so that it can run on
275        ITRDA and other clusters without the mpirun "-wd" option
276    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
277      configuration
278    o give MNC the ability to create additional files rather than
279      exceeding a specified file size limit "MNC_MAX_FILESIZE"
280      - the default is just less than 2GB which is a practical limit
281        on many systems
282    o Compute the non-local term using either KPP vertical diffusivity (=default)
283       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
284    
285    checkpoint55h_post
286    o add verification test "vermix"
287    o remove all the *_ioinc flags and replace with the single global
288      outputTypesInclusive flag
289    o allow to set a vertical profile of vertical diffusivity for T & S
290    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
291    o useMNC moved from data.mnc to data.pkg
292    
293    checkpoint55g_post
294    o Renaming carbon AD experiments to comply with testreport conventions
295    o Updating adjoint of Held-Suarez hs94.1x64x5
296    o Fixing directives for non-ECCO forward_step, after ECCO directives
297      have been fixed to avoid recomp. of do_oceanic_phys
298      Works well for global_ocean.90x40x15,
299      but recomp. issue remains for carbon
300    o Updating adjoint output for natl_box_adjoint after
301      pkg/ecco has been modified (see taga c55d_post)
302    
303    checkpoint55f_post
304    o rename to timeave_init_fixed
305    
306    checkpoint55e_post
307    o some delicate re-shuffle of store directives to avoid one
308      extra call of do_oceanic_physics
309      affects ecco_the_main_loop.F, do_oceanic_physics.F
310      checkpoint_lev1_directives.h
311    o NB: this may break global_ocean adjoint temporarily,
312      but it is clear how to fix it. Will do later, need this now.
313    
314    checkpoint55d_post
315    o ECCO specific cost function terms (up-to-date with 1x1 runs)
316    o ecco_cost_weights is modified to 1x1 runs
317    o modifs to allow observations to be read in as
318      single file or yearly files
319    o enable to read exf forcing fields as either
320      single file or yearly files (flag useExfYearlyFields)
321    checkpoint55d_pre
322    
323    o switch between 2-level and 3-level checkpointing
324    o add ability of MNC to write local and "partial" (eg. 2D slices where
325      the full 3D field is never actually stored) arrays to NetCDF files
326      with the correct (that is, the complete multi-dimensional) set of
327      array indicies
328      - used in mom_vecinv() to write the diagFreq output
329      - tested (demonstrated) in verification/aim.5l_cs
330    o further mnc-ification
331      - add verification/lab_sea to the list with mnc setups
332      - fix undefined mnc v-names in cd_code
333      - add kpp to mnc output (both snapshot and timeave)
334    o non-hydrostatic code
335      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
336        in calc_gw.F
337      - defaults to viscAh
338      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
339        friction or Leith) in non-hydrostatic mode, as long as there is
340        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
341    o pkg/cost
342      extend simple cost functions to treat time mean quantities
343      (T,U,V) via cost_accumulate_state from cost_tile
344    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
345        be 2 times larger than the minimum size the advection scheme requires.
346        now get a perfect conservation of salt in advect_cs test-exp (updated)
347    o GGL90 (Gaspar's TKE mixed layer)
348      - add horizontal diffusion of TKE, requires exchanges in
349        do_fields_blocking_exchanges, horizontal diffusivity is zero by
350        default. In OPA there is no horizontal diffusion of TKE but the
351        mixing coefficients are computed from a horizontal average of TKE of
352        6 points or so. I think that diffusion has a little more physical
353        justification.
354      - clean up ggl90_calc in the hope of reducing memory usage (this hope
355        was in vain)
356      - mask tke-variable in ggl90_init
357    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
358    o fix biharmonic diffusion on CS-grid.
359    o more obcs stuff
360      - added obcs_external_fields_load as an alternative to the EXF-pkg option
361        for reading boundary values. This routine is called from
362        obcs_prescribe_read
363      - updated obcs_check
364      - changed sponge layer relaxation parameter units for days to seconds
365      - turned off sponge layer by default
366      - changed argument list of OBCS_CALC to myTime+deltaTclock
367      - fixed about 35 bugs in obcs_external_fields_load
368    
369    checkpoint55c_post
370    o obcs stuff
371      - new runtime flags useOBCSprescribe, useOBCSbalance
372      - re-arranged obcs_calc
373      - moved exf_getobcs to obcs_prescibe_read
374        obcs_prescibe_read is called after ORLANSKI stuff
375        and independent of it (executable can contain all).
376      - updated obcs_check
377      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
378        These may be necessary only if tangential velocities are
379        prescribed at OB, not sure, needs testing.
380    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
381      which simplifies the calls and passes the ifc check-bounds test
382    
383    checkpoint55b_post
384    o add a 2D scalar, Z location, exchange_2 routine.
385    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
386      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
387      affects advect_cs results (for the wrong reason): update output.txt
388    o use a more standard discretization for biharmonic viscosity ;
389     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
390      affects results of dome set-up: update output.txt
391    o fix gad_advection.F (CubedSphere part), back to version 1.23
392    o fix bug in mom_vi_del2uv.F (CubedSphere part).
393    
394    checkpoint55a_post
395    o merged code to
396      * prescribe/read time-dependent open boundaries
397        (works in conjunction with exf, cal)
398      * sponge layer code for open boundaries
399      * each boundary N/S/E/W now has its own CPP option
400        (healthy for the adjoint)
401    
402    checkpoint55
403    o up-to-date adjoint of previous breaks
404      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
405      - global_ocean_ebm: adjoint still needs fix (TLM ok)
406      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
407      - carbon: * remove tr1-related adjoint verification
408                * add ptracer as control variable
409    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
410      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
411    
412    checkpoint54f_post
413    o in verification/carbin/ remove experiment related to
414      ALLOW_PASSIVE_TRACER (array tr1 etc)
415      code_ad/ input_ad/ results_ad
416    
417    o add two new packages
418      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
419        + subject to optimization (memory)
420      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
421        + subject to reordering (many GOTOs in the original code)
422        + so far opps is called for every (i,j) point, and then operates in
423          the vertical; one may want to reorder the scheme in order operate in
424          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
425          fields)
426    o overhaul of IO so that we now have flags for MDSIO and/or MNC
427      - all verification tests compile and run with linux_ia32_g77
428      - defaults are compatible with current input files--nothing
429        should change if you were not previously using MNC
430      - MNC output has been added in numerous places (eg. timeave)
431        but there are still a few writes not yet do-able with MNC
432        (this is in progress)
433      - flags now allow for either/or/both use of MDSIO and MNC and
434        documentation will soon follow
435      - numerous small formatting cleanups for ProTeX
436    o add version info (via BUILD_INFO.h) to MNC and stdout
437    
438    checkpoint54e_post
439    o add two new packages
440      - pp81 (Packanowski and Philander, 1981), Richardson number and
441        stratification dependent mixing
442      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
443      - these scheme operate in a similar manner as KPP (without ghat, of
444        course), however there is only one diffusivity that is used for both
445        temperature and salinity (and passive tracers)ç
446    o add offline package
447    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
448      provided by Stephanie Dutkiewicz
449    o genmake2: add ability to search for C compilers and cleanup test output
450      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
451    
452    checkpoint54d_post
453    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
454    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
455      leading to additional shift by 5 days each year of integration
456       (i.e. leading to considerable offset over the years)
457    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
458    o start with no AB and no initial filtering (staggerTimeStep):
459      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
460    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
461      (external loading & cpl import/export stay in forward_step.F)
462    o update coupling interface to work with new staggerTimeStep
463    o change MDSIO ptracers_pickup.
464    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
465    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
466    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
467    
468    checkpoint54c_post
469    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
470      this affects (truncation error) output.txt of test-exp:
471       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
472    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
473    o change Qnet to always be the net heat flux, (+upward).
474      affects (truncation error) output of natl_box exp.: updated
475    o define the max number of passive tracers in PTRACERS_SIZE.h
476    o start to test mnc routinely in exp0
477    o add sea-ice loading (sIceLoad) as a new forcing field.
478    
479    checkpoint54b_post
480    o add testreport "-j JOBS" option for parallel builds (tested and pretty
481       impressive on Altix and Opteron systems)
482    o diagnostics can now write NetCDF files through the mnc package
483    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
484    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
485    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
486      affects (truncation error) output of lab_sea & natl_box exp.: updated
487    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
488    
489    checkpoint54a_post
490    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
491    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
492    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
493    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
494      + internal_wave (shift in writing cg2d_ini_res)
495    checkpoint54a_pre
496    
497    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
498      - modified verification/lab_sea and natl_box_adjoint accordingly
499    
500    checkpoint54
501    checkpoint53g_post
502    o prepare splitting of thermodynamics: store convect.counter in common block
503    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
504      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
505    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
506    o new parameter "nShapS": allow to treat differently S from T (nShapT)
507    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
508    o restore adjointability
509    
510    checkpoint53f_post
511    o modifications that affect AIM experiment results (update output.txt):
512      - no advection of S at top interface Nr (pkg/generic_advdiff)
513      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
514    o AIM pkg:
515      - include stability function into surf.Flux derivative relative to Tsurf
516      - calculate clear-sky radiation & surface temp. change (for diagnostics)
517    
518    checkpoint53e_post
519    o merged cylindrical coord configuration
520    o added rotating_tank experiment
521    checkpoint53e_pre
522    
523    checkpoint53d_post
524    o faulks upgraded: re-generate output.txt that have changed:
525       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
526    o Added Bryan and Lewis, 1979, vertical diffusivity profile
527    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
528    o added Sadourny discretization of Coriolis
529      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
530      - re-enabled use of omega3 (useAbsVorticity)
531    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
532      vector-invariant equations
533      - note: does *NOT* yet use same variable visc. for no-slip BC's.
534    o recoded the lateral boundary conditions for non-hydrostatic w, this time
535      hopefully without new bugs
536      - still to do: biharmonic friction for non-hydrostatic w
537    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
538    o regenerated output for global_ocean_ebm (using -ieee)
539    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
540      of mom_common/
541      - simple re-arrangement of instructions within computing loop
542    checkpoint53d_pre
543    
544    checkpoint53c_post
545    o new version of coupler for AIM+thSIce and Ocean models
546     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
547     - land: change Evaporation of snow
548     - aim with thSIce: fix bug in snow-precip.
549    o changes to calc_gw.F
550     - bug fix for w^2 term near the bottom boundary
551     - (hopefully) improve the lateral slip boundary condtions for use with
552        partial/looped cells
553      - because the bug fix changes two verification experiments anyway (exp5
554        and plume on slope), change the lateral boundary condition from half slip
555        to the value of no_slip_sides
556    o ebm package wasnt quite up to the parallel task. Fixed that.
557    o Adjoint of EBM package + verification
558      * TLM OK
559      * ADM not sufficient accuracy yet (needs further testing)
560    
561    checkpoint53b_post
562    o Commiting new energy balance model to repository
563      * package is pkg/ebm
564      * verif. is verification/global_ocean_ebm
565      * references are in ebm_driver.F
566    C      * X. Wang, P. Stone and J. Marotzke, 1999:
567    C        Global thermohaline circulation. Part I:
568    C        Sensitivity to atmospheric moisture transport.
569    C        J. Climate 12(1), 71-82
570    C      * X. Wang, P. Stone and J. Marotzke, 1999:
571    C        Global thermohaline circulation. Part II:
572    C        Sensitivity with interactive transport.
573    C        J. Climate 12(1), 83-91
574    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
575    C        Destabilization of the thermohaline circulation
576    C        by atmospheric eddy transports.
577    C        J. Climate 7(12), 1870-1882
578    o Will need long integration testing.
579    checkpoint53b_pre
580    
581    o created pkg/mom_common in preparation for variable viscosity code
582    o renamed and split ini_mnc_io
583    o pkg/land: only liquid water can diffuse or run-off
584    o AIM using land: soil wetness availability account for snow
585    o added printMapIncludesZeros to EEPARMS namelist
586    
587    checkpoint53a_post
588    o restore TAMC compatiility for exf_constants.h
589      (no usage of _d in .h)
590    o Additional storing in KPP in an attempt to fix
591      TAMC problem with adjoint of KPP code.
592      (no success...)
593      Identical code works fine with TAF.
594    o Fixed verification/natl_box_adjoint experiments.
595      Initial conditions for Experiments 4 and 5 are now
596      set to "SEAICE_initialHEFF=0", which is more reasonable,
597      and hence gives results closer to that of Experiment 2.
598      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
599    
600    checkpoint53
601    o stable checkpoint with up to date adjoint
602      TLM tests only run for 1st grdchk at the moment. Its unclear if
603      this is a code problem or a problem with resetting code for g_
604      variables that is being autogenerated wrong.
605      Otherwise:
606       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
607       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
608         are both still in chaos following their security messes.
609    
610    checkpoint52n_post
611    o various build (mostly genmake2) changes including:
612      - ability to build/run more easily within Cygwin and MacOS X
613      - more complicated Makefiles with a stronger dependence on Gnu Make
614    o pkg/seaice modifications
615      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
616        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
617        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
618      - changed proxy for geostrophic velocity and updated
619        verification/lab_sea/results/* accordingly
620      - removed ADI dynamic solver from pkg/seaice
621      - replaced all occurrences of 1/CSTICE or 1/CSUICE
622        they caused a segmentation fault under certain circumstances
623      - removed unused field WATR
624    o bug fix in exf-package:
625      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
626         now reflect that.
627    o small fixes in the cal-package:
628      - set reference date to first of January for the 'model'-calendar
629      - failing of cal_CheckDate in cal_FullDate now actually results in a
630        warning
631    o small modifications in exf-package to increase flexibility:
632      - change climtempfreeze from a constant to a runtime parameter that
633        is specified in data.exf_clim (default = -1.9)
634      - introduce runtime parameter windstressmax (default = 2.0) that is
635        specified in data.exf
636    o fix in pkg/thsice:
637      - update Evap (Tsf changes) to be consistent with Latent heat flux
638      - maintain snow precipitation unchanged (even if Tsf >=0).
639     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
640    
641    checkpoint52m_post
642    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
643      this does not change any of the results, because myIter=0 in swfrac always
644      lead to jwtype=2 (the default anyway), but the call makes little sense
645      as a default
646    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
647    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
648      atmospheric model (AIM) to use it ; add a "slab ocean" component.
649    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
650    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
651    o extending useSingleCpuIO option to work with new exch2 I/O format
652      - old-style, missing-tile I/O is still accessible by defining CPP
653        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
654    o monitor package can write to NetCDF files and/or STDOUT
655    o fix re-definition bug in MNC_GRID_INIT_ALL()
656    o doc/api_reference added
657      - a framework for building an API Reference Manual using all
658        the "protex" comments embedded in the code
659      - see pkg/generic_advdiff, pkg/mnc for examples
660    o MNC:
661      - make myThid the last argument for all subroutines
662      - new default for the grid files: NO halos
663      - add useMNC and other run-time flags
664      - separate per-file-group handling of the unlimited dimension
665      - early initialization of MNC w/ flags read at the eeboot stage
666        and lookup tables set in initialize_fixed
667      - write all MNC output to a freshly-created directory
668    o thermodynamics sea-ice (thsice) is now tested with testreport.
669    o test exp. advect_cs: use the standard cs32 grid ; update output.
670    o Added functionality to grdchk:
671      pick global i,j,k position (or nearest wet) where to perform check.
672    
673    checkpoint52l_post
674    o new land formulation:
675      a) use ground enthalpy as prognostic variable to ensure exact
676         energy conservation.
677      b) account for water temperature and for latent heat of freezing
678         in all processes (rain, run-off, ground storage)
679      c) compute surface and ground temperature implicitly.
680    o aim_v23 modification for new land model:
681      a) Treat separately land / ocean / sea-ice surface fluxes
682         to allow implicit computation of land & sea-ice surface temp.
683      b) add snow precipitation.
684    checkpoint52l_pre
685    
686    o fix problem (when 1 tile is empty) in min/max monitor.
687    o fix bug in timeAve (u,vZetatave in common block)
688    o no restoring terms under ice for pkg/seaice
689    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
690    o bug fix for pkg/seaice pickups
691    o change MNC call locations and add coordinate attributes
692    o mask vorticity at the corner ; affects global_ocean.cs output
693    o fix ini_curvilinear_grid ; test CS experiments with mpi
694    o aim.5l_cs: modify sea-ice fraction input file ; update output
695    o exf: Adding simple range check routine for exf fields after read
696    
697    checkpoint52k_post
698    o removed top-level directory "diags"
699      - we migrated these functions to pkg/timeave a long time ago
700    o fixed bug introduced in pkg/monitor
701    o accuracy ctrlprec = 32 insuffient for gradient checks using
702      averaged fields (I/O via cost_averages)
703      -> use ctrl.h in active_file*.F to control I/O precision.
704    o paramter list of CALL ADTHE_MAIN_LOOP
705    o added initial do_the_model_io to ecco
706    o set all ...Freq to zero after cost_final
707      taveFreq, dumpFreq, pChkptFreq
708    o MAIN and ECCO differentiability restored
709    
710    checkpoint52j_post
711    o fix nchklev in tamc.h for global_ocean...
712    o Bringing flow and store directives up-to-date
713    o Really weird thing!
714      call do_the_model_io from the_main_loop with parameters
715      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
716      TAF places a faulty re-call of initialise_varia
717      after cost_final call which should not be there!
718    checkpoint52j_pre
719    
720    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
721      error messages
722    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
723    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
724      debug output
725    o modfied mdsio_writefield.F to handle non-global files under exch2
726    o update AIM Cubed-Sphere exp (aim.5l_cs):
727      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
728    o update AIM Equatorial Channel exp:
729      use standard aim_v23 pkg and change the SST fields to be more realistic.
730    o globalFile now works with exch2
731    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
732      mon_vort3.F to make exch2 friendly with >1 tile per cube face
733    o limit timeave output for hi-res integrations
734    
735    checkpoint52i_post
736    o removed CPP_EEOPTIONS.h from verification/*/code
737    o updated the tiling for global_ocean_pressure
738    checkpoint52i_pre
739    
740    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
741      the old pkg/aim).
742    
743    checkpoint52h_pre
744    o shortened offending lines in exch2_send_rx?.template
745    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
746    o genmake2: add build & execute test for NetCDF code
747    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
748      old grid files, moved CPP_EEMACROS.h to pkg/exch2
749    o added useSingleCPUIO flag to monitor.F and mon_out.F
750    o added temporary hack for sea-ice dynamics on the cube:
751      metric terms are ignored and it is assumed that
752      there is no sea-ice on cube faces 1, 2, 4, and 5.
753    
754    checkpoint52f_post
755    o added exch2 cube routines to pkg/exch2
756    o modified hs94.cs-32x32x5 to use it
757    o added new grid files to hs94.cs-32x32x5
758    checkpoint52f_pre
759    
760    checkpoint52e_post
761    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
762      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
763    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
764      to work with implicit vertical advection and AB ;
765    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
766    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
767     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
768    checkpoint52e_pre
769    
770    o fix bug in impldiff when Nr=1 or Nr=2.
771    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
772    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
773    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
774      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
775    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
776    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
777    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
778    
779    checkpoint52d_post
780    o re-tiled many expts to allow comparison in multi-processor mode
781      - updated output accordingly
782      - changed hs94.128x64x5 to use intial T from file rather than use the
783        random number generator
784    o add infrastructure in model routines for fizhi and gridalt packages
785    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
786    o changes to permit hi-res, cubed-sphere, configuration
787      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
788      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
789      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
790        of surface winds for the cube
791      (A verification experiment, based on global_ocean.cs32x15, but with
792       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
793       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
794       complete with example surface forcing files and matlab scripts to look
795       at the output and compare it with that of global_ocean.cs32x15.)
796    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
797       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
798       to conform to the common rule.
799    o check-in the first version of the coupler + interfaces for multi-components
800       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
801       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
802       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
803       - ocean and atmos. share the same horizontal grid (no interpolation).
804       - exchanges between component and coupler is done in forward_step
805    o new verification experiment, cpl_aim+ocn:
806       coupled ocean - AIM atmosphere on cs32 grid.
807    
808    checkpoint52d_pre
809    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
810    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
811    
812    checkpoint52c_post
813    o Fixing OPTIONS files for use of exf:
814      - ALLOW_ECCO not needed
815      - ECCO_CPPOPTIONS.h should not be included from
816        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
817        as has been the case in the past
818      - All cal/exf related options are currently set in
819        single header file. Should remain so until we
820        agree on a consistent new policy.
821    o Removed all CPP options for cal package.
822      cal has no more CPP options.
823    o modified STOREs in GAD_ADVECTION
824    o corrected key comp. for passkey
825    
826    checkpoint52b_post
827    o new version: "thsice" of thermodynamic sea-ice pkg:
828     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
829     - modify fluxes but do not change theta directly;
830     - light cleaning of bulk_force pkg (still needed with thsice).
831     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
832       + output_thsice.txt to test thsice & bulk_force pkgs.
833    o put back grid & coriolis monitor output.
834    checkpoint52b_pre
835    
836    o call "do_the_model_io" at the beginning (=> dump initial state)
837    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
838    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
839      (need info on NUMBER_OF_PTRACERS)
840    o missing PTRACERS headers in some routines
841    o default tamc.h in pkg/autodiff supposed to crash
842      to ensure proper customization
843    
844    checkpoint52a_post
845    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
846      - moved surfaceTendencyTice from pkg/seaice to main code
847      - subroutine FREEZE_SURFACE now limits only surface temperature
848        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
849        => new output.txt for global_ocean.cs32x15 & global_with_exf
850      - keep the old version of FREEZE for backward compatibility;
851        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
852      - corresponding modifs for TAF directives
853    o added surface flux output variables to TIMEAVE_STATVARS
854    o time-averaged output for pkg/ptracers
855    o fix problem with ECCO-related divided adjoint
856      snapshot file was missing some ad-variables,
857      but no warning issued by TAF
858    
859    checkpoint52a_pre
860    o some bug fixes for #undef REAL4_IS_SLOW
861    
862    checkpoint52 = ecco_c52_e35
863    o after testing adjoints of checkpoint51u_post
864    
865    checkpoint51u_post
866    o this is the post-merge tag of the ecco-branch
867      (needs another clean checkout and re-testing)
868    o various natl_box_adjoint configs and results
869      but no input fields
870    o obcs adjoint not yet merged!
871    o adding ECCO global 1x1 and 2x2 degree configs
872    o updated/extended some store directives for seaice
873    o pkg/ecco now containes ecco-specific part of cost function
874    o top level routines the_main_loop, forward_step
875      supersede those in model/src/
876      previous input data.cost now in data.ecco
877      (new namelist ecco_cost_nml)
878    o in ctrl/ cleaned some cross-dependencies and updated CPP options
879    
880    checkpoint51t_post
881    o this is the pre-merge tag of the ecco-branch
882    
883    checkpoint51s_post
884    o cleanup: removed various obsolete #define-s
885    o pkg/grdchk
886      - renamed 'ph-grd 3' to 'grad-res'
887      - merged from ecco-branch
888        (remaining bug fixes for obcs gradient checks)
889      - additional high-precision output for testreport
890        (grep for 'precision_grdchk_result')
891    
892    checkpoint51r_post
893    o cleaned up or removed CPP_OPTIONS.h files
894    o updated results for some of the tests to reflect the new
895      optfiles (-ieee: -O0 instead of -O3)
896    
897    checkpoint51q_post
898    o cd_code:
899      - moved cd_scheme.F -> cd_code_scheme.F
900      - separate read_checkpoint from cd_code_ini_vars.F
901      - separated cd_code part from write_checkpoint
902      - updated AD_SOURCE, generated .flow
903      - added CD_CODE_VARS.h to the_main_loop
904      - Moving cd_code specific store dir.s to pkg/cd_code
905    o ctrl package totally restructured
906      - pack/unpack now optional and decoupled from
907        xx_/adxx_ I/O
908      - ctrl_pack/unpack cleaned
909        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
910      - confined inclusion of AD_CONFIG.h to where necessary.
911    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
912    
913    checkpoint51p_post
914    o create initial cd_code package
915      - WARNING: the initialization of fields within packages
916        is broken because INI_FIELDS (where READ_CHECKPOINT is
917        called) is called *before* PACKAGES_INIT_VARIABLES.
918        This seems to be backwards since
919        1) its important to initially zero the entire field including
920           the "halo" region
921        2) zeroing needs to be done *before* reading pickup info
922           and the pickup call might or might not happen in any
923           particular run
924      - this needs an overhaul for R2
925    o cleanup verification/*/code/GMREDI_OPTIONS.h
926    o cleanup testreport
927    
928    checkpoint51o_post
929    o bringing AD-related verif's up to date with genmake2
930      - carbon/
931      - global_ocean.90x40x15/
932      - hs.94.1x64x5/
933      - (front_relax/ )
934    o (more) consistent directory structure for AD-related verif.'s
935    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
936    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
937    o bug fix in find_alpha.F for MDJWF:
938      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
939        change rho -> rho-rhoConst
940      - replace call find_rho to find_rhonum
941    o initialisation of rFlx extended to full array (required by TAF)
942      and shifted to thermodynamics
943    o removed PTRACERS.h in ptracers routine
944    o added surfacetendencyPtr to S/R parameter list pracers_forcing
945    o Correcting initialisations for fVerU, fVerV.
946    o helping TAF to recognize dependency on kUp for
947      fVerU, fVerV
948    o Replacing delZ by delR in pkg/ctrl/
949    checkpoint51o_pre
950    
951    o undid all of cp51 pending some cleanups and discussion
952    o added the [#include "AD_CONFIG.h"] statement to all files that need
953       it for adjoint/tl #defines
954     o re-worked the build logic in genmake2 to support AD_CONFIG.h
955     o removed tools/genmake since it no longer works
956    
957    checkpoint51n_post
958    o modifications to make FREEZE flux visible to pkg/kpp
959      - moved surfaceTendencyTice from pkg/seaice to main code
960      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
961      - subroutine FREEZE now limits only surface temperature
962        (this means new output.txt for global_ocean.90x40x15,
963         global_ocean.cs32x15, and global_with_exf)
964    o added surface flux output variables to TIMEAVE_STATVARS
965    
966    checkpoint51n_pre
967    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
968    o added [#include "AD_CONFIG.h"] to all files that use the following
969      defines:
970      - ALLOW_ADJOINT_RUN
971      - ALLOW_TANGENTLINEAR_RUN
972      - ALLOW_ECCO_OPTIMIZATION
973    
974    checkpoint51m_post
975    o incorporating changes to get TAMC/TAF working in genmake2
976      - added new TAMC/TAF targets to the Makefile
977      - various cleanups related to package handling
978      - these changes should have no impact on the forward model
979    
980    checkpoint51l_post
981    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
982     - faster algorithm for cal_addtime.F
983     - higher precision arithmetic, where needed
984     - pkg/exf *startdate variables changed from calendar date to
985       model integration time
986    
987    checkpoint51l_pre
988    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
989    o enable to apply restoring on S & T only in a latitude band.
990    o update output (external_forcing_surf modif. change truncation errors)
991       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
992    
993    checkpoint51k_post
994    o change default to: useNHMTerms=.FALSE.
995     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
996       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
997     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
998        exp1, ideal_2D_oce
999     - change data file of oceanic exp (leave the results unchanged for now)
1000       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1001    o set gravitySign automatically according to the vertical coordinate used
1002      (and change sign: back to "logical" value: +1 when R increases downward)
1003    o added an include barrier to the default CPP_OPTIONS.h and
1004      removed the #include "PACKAGES_CONFIG.h" from it
1005    o fix a bug in mom_fluxform (from chk51j_post)
1006    
1007    checkpoint51j_post
1008    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1009    o adjusted some flow directives (dynamics, thermodynamics)
1010    o added cubed-sphere case to test cost function
1011    o heckpoint_lev?_directives.h now include
1012      pkg-specific directives, whenever those are enabled.
1013    o Moving pkg-specific flow directives to corresponding pkg
1014      Moving pkg-specific differentiation list to corresponding pkg
1015      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1016      ---> conventions are
1017           - pkg_ad.flow
1018           - pkg_ad_diff.list
1019           - pkg_ad_check_lev?_dir.h
1020    
1021    checkpoint51i_post
1022    o merge of the branch-genmake2
1023      - knowingly breaks the older genmake
1024      - automatic generation of all ALLOW_${PKG_NAME} defines
1025      - new testreport supersedes older testscript
1026    o large number of package inclusion and header cleanups
1027    checkpoint51i_pre
1028    
1029    o new output for adjoin of global ocean vector invariant
1030    o fix for checkpoint of thermodynamic seaice and bulk_force
1031    o Steph gchem various cleanups
1032    
1033    checkpoint 51h_pre
1034    o fixed some single quotes
1035    o modify gchem pkg to be more versatile
1036    o modifications to clean up dic pkg
1037    o add pkg/cfc
1038    
1039    checkpoint51g_post
1040    o provide links for ARPACK and ADM*TLM
1041    o start removing verification/vero/
1042    o update AD-related stuff
1043      (in particular some IF-statements in model/src/ routines)
1044    o adding to verification/global_ocean.90x40x15/ adjoint of
1045      vector invariant setup
1046    
1047    checkpoint51f_post
1048    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1049    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1050      of tracer Green's fucntions for ocean inversion project.
1051    
1052    checkpoint51f_pre
1053    o Added on-the-fly spatial interpolation capability
1054        "USE_EXF_INTERPOLATION" to pkg/exf.
1055      - This is a temporary Cartesian-grid hack until
1056        the super-duper ESMF coupler becomes available.
1057      - See verification/global_with_exf/README for usage example.
1058      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1059        flags and modified pkg/seaice accordingly.
1060    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1061        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1062        non-local transport term.
1063    
1064    checkpoint51e_post
1065    o pkg/mom_vecinv:
1066      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1067      - add time-ave diagnostic of vorticity advection.
1068    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1069    o atmospheric geopotential: - include water vapor effect;
1070                                - use p^kappa in p* scaling.
1071    o land pkg: read initial state from files.
1072    o AIM : add stratospheric drag in the upper level
1073    
1074    checkpoint51d_post
1075    o change function ILNBLNK (=> last non-blank char.) to return zero
1076      (instead of the string length) when the string. char is empty
1077    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1078    o modif's to restore TAMC compatibility
1079      - avoid "_d" constructs in PARAMETER declarations
1080      - avoid interrupting lines by comment lines
1081    o Use cluster local disks for purely local I/O
1082      vs. globally visible disks needed for ctrl stuff
1083      (merged from ecco-branch)
1084      - new active_file_loc... and mdsio_..._loc routines
1085      - affected packages: autodiff, ctrl, grdchk, mdsio
1086    
1087    checkpoint51c_post
1088    o introducing integer flag debugLevel
1089      - debLevZero: suppress all output
1090      - debLevA: standard
1091      - debLevB: equivalent to current debugMode=.TRUE.
1092    o introducing pathname variable mdsioLocalDir for mdsio
1093      that can be specified at runtime
1094      (relevant for cluster I/O to local disk)
1095    `
1096    >>>checkpoint51b_post
1097    adjoint of ptracers
1098    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1099    o extended state in checkpoint_lev?, etc.
1100    o alternative ctrl/cost with tr1 or ptracer
1101    o new comlev1_bibj_ptracers
1102    o new ptracers.flow
1103    o made ptracers_forcing same as external_forcing_s
1104    o added verification for adjoint with ptracers
1105      - adm. grdchk fail so far
1106      - tlm. grdchk OK
1107      - checked tapelev/comlev recomputations: OK
1108    <<<checkpoint51b_pre
1109    
1110    checkpoint51a_post
1111    o added code for biogeochemistry package
1112      - new pkgs: dic, gchem
1113      - new subroutine in ptracers
1114    o modify code for biogeo packages
1115      - in model/src and pkg/ptracers
1116    
1117    checkpoint51
1118    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1119      - autodiff, ctrl, exf, grdchk, seaice
1120      kept separate packages
1121      - cost, ecco, obcs
1122    o updating verification/internal_wave, verification/lab_sea
1123      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1124    
1125    checkpoint50i_post
1126    o Preparing next differentiable checkpoint and sync
1127      of MAIN vs. ecco-branch
1128      - 1st step: this one is differentiable
1129      - 2nd step: next(! not this) checkpoint will have updated packages
1130                  from ecco-branch)
1131    
1132    checkpoint50h_post
1133    o new package "land": provide surface BC for AIM.
1134    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1135    o AIM: use true log-P extrapolation for near surface temp (= as in
1136        F.Molteni paper) ; update aim.5l_cs output.
1137    o New variable in PARM03 for more flexible pickups
1138    o somewhat cleaned package initialisation sequence for
1139      ctrl/ cost/ ecco/ in packages_... routines
1140    
1141    checkpoint50g_post
1142    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1143      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1144      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1145        made the default because of faster convergence than ADI
1146    
1147    checkpoint50f_post
1148    o exf totally restructured
1149      - replaced all exf_set_ routines by one generic exf_set_gen.F
1150        and made sure it's still differentiable
1151      - split exf_getffields.F into new exf_bulkformulae.F
1152      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1153      - updated adjoint/makefile and relevant verif. accordingly
1154    
1155    checkpoint50f_pre
1156     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1157          + change Evap over land. (update aim.5l_cs output)
1158     o added missing .cvsignores and made uniform across expts
1159     o changed configuration of tidal_basin_2d expt
1160     o added pkg/debug functions for tracing code in fatal crashes
1161     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1162     o new fn in pkg/monitor to stop model if solution grows too big
1163     o removed lots of single quotes from comments
1164    
1165    checkpoint50e_post
1166    o make KPP work with PTRACERS
1167     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1168       nearly a copy of kpp_transport_s
1169     - there is no analogue to SurfaceTendencyS, so I have to use
1170       gPtr(of the surface layer) instead
1171    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1172    checkpoint50e_pre
1173    
1174    checkpoint50d_post
1175    o change kpp output from multiple-record state files to single-record state
1176      files analogous to write_state.F
1177    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1178      analogous to the cg2d-related output.
1179    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1180      so that writing to internal file fn (with length 512) fails.
1181    checkpoint50d_pre
1182    
1183    checkpoint50c_post
1184    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1185    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1186    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1187    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1188    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1189    
1190    checkpoint50c_pre
1191    Merging from release1_p13:
1192    o bug fix for pkg/seaice dynamic solver
1193    o Added SEAICE_initialHEFF to pkg/seaice
1194    
1195    checkpoint50b_post
1196    o store u*,v* in gU,V instead of in guNm1,gvNm1
1197    o in order to put the momForcing out of the Adams-Bashforth:
1198      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1199      to timestep.F
1200    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1201    o re-generate output for highly sensitive test-exp:
1202       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1203    
1204    checkpoint50b_pre
1205    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1206    o corrected CPP option mismatch in exf_Bulk... functions for case
1207      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1208    
1209    checkpoint50a_post
1210    o Bug fix for merging between c50 and KPP.
1211      ikey was passed from thermodynamics to kpp_calc via
1212      common block rather than being recomputed in kpp_calc,
1213      in contradiction with new key itdkey.
1214      New key ikppkey created, and tamc.h headers updated.
1215    
1216    checkpoint50
1217    - 2nd step of merge with ecco-branch:
1218      merge changes in ecco-branch back into main trunk
1219    - bug fix in find_alpha
1220    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1221    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1222    - merged some sliced AD support routines
1223    
1224    checkpoint49
1225    merged from ecco-branch:
1226    o exf:
1227      - Enable initialisation of forcing fields to constant
1228        (runtime) values.
1229      - in exf_getffields.F
1230        Reduce i-/j-loop to interior domain, discarding overlaps.
1231        That also fixes wrong TAF-key computations for key_1, key_2
1232        with bulf formulae.
1233      - exf_init.F modify #ifdef for exf_init_evap
1234      - exf_getffieldrec.F, ctrl_getrec.F
1235        The following INT-usages are not safe:
1236          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1237          fldcount = int(fldsecs/fldperiod) + 1
1238        and were modified.
1239    o autodiff: checkpoint_lev...
1240      - updated storing for bulk formulae (some arrays were missing)
1241      - added state for seaice package
1242      - synchronized with main branch
1243    o DIVA:
1244      Modif.s in
1245      - the_main_loop.F
1246      - the_model_main.F
1247      and added cost_final_restore.F cost_final_store.F
1248      o With these changes, it is possible to fully separate
1249        the first forward run to compute the cost function (mdthe_main_loop)
1250        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1251        into separate model executions.
1252        This enables better tuning of DIVA to given queue sizes.
1253      o Loss of cost function value in consecutive DIVA runs is
1254        fixed by storing to 'costfinal' file.
1255      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1256        beginning/end of adjoint integration is accounted for.
1257      The current changes apply to TAF-1.4.26.
1258      TAF has one remaining bug, requiring one manual change
1259      (see MITgcm manual).
1260    o cal: synchronized between MAIN and ecco-branch
1261    
1262    checkpoint48i_post
1263    o Changes to restore differentiability of code w.r.t. previous tag
1264      (mostly adding new routines to make list and replacing
1265      pressure by totPhiHyd).
1266    o Updated and merged grdchk package
1267      - has both ADM and TLM checks
1268      - works for single- and multi-proc.
1269      - output cleaned
1270      - worked successfully for parallel DIVA
1271    o genmake:
1272      - Adding -platform=SP4
1273      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1274    o Modif. for DIVA:
1275      ctrl_unpack should not be called in intermediate DIVA interval.
1276      (similar thing would apply for active files such as
1277      tbar, sbar, psbar, which should not be reinitialised;
1278      only relevant for ecco-branch)
1279    
1280    checkpoint48h_post
1281    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1282    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1283    o Added SEAICE_initialHEFF to pkg/seaice
1284    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1285    
1286    checkpoint48g_post
1287    --- EOS:
1288    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1289      store total Potential in totPhyHyd for diagnostics & EOS.
1290    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1291    --- Pressure/geopotential gradient:
1292    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1293    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1294      ( changes results of global_ocean_pressure )
1295    o NLFS + z-coord.: add eta*Rho' contribution.
1296    o accurate phiHyd when using interface-W at the middle between 2 centers
1297     ( changes results of ideal_2D_oce )
1298    o includes r* 2nd term in potential gradient.
1299    
1300    checkpoint48f_post
1301    Merging from release1_p12:
1302    o Modifications for using pkg/exf with pkg/seaice
1303      - improved description of the various forcing configurations
1304      - added basic radiation bulk formulae to pkg/exf
1305      - units/sign fix for evap computation in exf_getffields.F
1306      - updated verification/global_with_exf/results/output.txt
1307    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1308      (SBO) core products, including oceanic mass, center-of-mass,
1309      angular, and bottom pressure (see pkg/sbo/README.sbo).
1310    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1311      to avoid negative values in shallow regions.
1312      - updated verification/natl_box/results/output.txt
1313      - updated verification/lab_sea/results/output.txt
1314    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1315    o Added useSingleCpuIO option (see PARAMS.h).
1316    o Updated useSingleCpuIO option in mdsio_writefield.F to
1317      work with multi-field files, e.g., for single-file pickup.
1318    o pkg/seaice:
1319      - bug fix in growth.F: QNET for no shortwave case
1320      - added HeffFile for specifying initial sea-ice thickness
1321      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1322    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1323      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1324    o pkg/seaice:
1325      - adjoint-friendly modifications
1326      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1327    
1328    checkpoint48e_post
1329    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1330    o dynamics: change definition of computational domain & adapt mom_fluxform
1331      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1332    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1333        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1334        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1335        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1336        inverted_barometer solid-body.cs-32x32x1
1337      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1338    
1339    checkpoint48d_post
1340    o in preparation for r*:
1341     a) use pre-computed gradient of hydrostatic potential:
1342        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1343     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1344        => affects results of glob_oce_pressure (different truncation error)  
1345      update output.txt of ideal_2D_oce & global_ocean_pressure
1346    
1347    checkpoint48d_pre
1348    o in preparation for r*:
1349      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1350      pass the 2 comp. of the grad. as arguments to momentum S/R.
1351      but for the moment, only used if it does not change the results.
1352    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1353    
1354    checkpoint48c_post
1355    Modifications in treatment of initial flux forcing controls
1356    to avoid extra storing of flux fields.
1357    
1358    checkpoint48c_pre
1359    o Added tidal_basin_2d experiment (currently 1D!)
1360    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1361    
1362    checkpoint48b_post
1363    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1364     (modification to pressure gradient not yet implemented)
1365    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1366      (for U & V) that are used for vertical advection of momentum.
1367    
1368    checkpoint48a_post
1369    o In preparation for r*, use temp. array to compute vertical transport
1370       in flux-form momentum pkg. => change results of few test-exp.
1371      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1372                        lab_sea, natl_box & plume_on_slope
1373    
1374    checkpoint48
1375    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1376    
1377    checkpoint47j_post
1378    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1379    o moved adexch from forward_step to addummy_in_stepping
1380    o added exch in ctrl_map_...
1381    o aveFreq.=0. at end of cost_final to avoid overwrite in
1382      reverse checkpointing loop
1383    o Yet more changes in gmredi:
1384      * adgmredi_calc_tensor
1385        avoiding all recomputation of gmredi_slope_limit
1386      * adgmredi_x/y/rtransport
1387        added flag for excessive storing to avoid recomp. of
1388        u/v/rtans, dTdx/y/z
1389        -> this is not really necessary and very memory-consuming
1390      * adgmredi_slope_psi:
1391        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1392      * gmredi_slope_limit
1393        re-activated full calculation of taperfct for case 'ac02'
1394    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1395    
1396    checkpoint47i_post
1397    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1398    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1399      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1400    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1401    o gmredi: fix few bugs.
1402    
1403    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1404    This will be a good checkpoint to plug into the ecco-branch.
1405    o few modif.'s to get latest version adjointed
1406      (mainly kick out code in ini_linear_phisurf)
1407    o modif's to run adjoint with exactConserv
1408    o case GM_BOLUS_ADVEC should be cleaned
1409      S/R gmredi_slope_psi should be cleaned
1410    o verification/carbon now has exactConserv=.TRUE.
1411    
1412    checkpoint47g_post
1413    o time-average AIM output: becomes independent from statvars time-average
1414      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1415    o After TAF bug fix:
1416      Tested adjoint of gmredi package.
1417      Tests were done with checkpoint47 rather than with latest
1418      checkpoint47f_post since the latter is broken for the adjoint
1419      verification/carbon/ contains both ADM and TLM gradient checks.
1420    Here they are, before they get changed/lost/stolen.
1421    Mostly modif.'s to fix numerical sensitivities.
1422    Gradient checks OK for
1423    - GM_taper_scheme:
1424      * clipping
1425      * ac02
1426      * linear
1427      * glw91
1428      * dm95
1429      * ldd97
1430    - GMREDI_OPTIONS:
1431      * GM_VISBECK_VARIABLE_K
1432      * GM_NON_UNITY_DIAGONAL
1433      * GM_EXTRA_DIAGONAL
1434      * GM_BOLUS_ADVEC
1435    in conjunction with data.gmredi parameters to be checked in
1436    in a few minutes under verification/carbon/code/
1437    
1438    checkpoint47f_post
1439    Merging from release1_p10:
1440    o modifications for using pkg/exf with pkg/seaice
1441      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1442        and SEAICE_EXTERNAL_FLUXES
1443      - pkg/exf CPP options EXF_READ_EVAP and
1444        EXF_NO_BULK_COMPUTATIONS
1445      - usage examples are Experiments 8 and 9 in
1446        verification/lab_sea/README
1447      - verification/lab_sea default experiment now uses
1448        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1449    
1450    checkpoint47e_post
1451    o created a tag prior to creating a branch
1452    
1453    checkpoint47d_post
1454    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1455      at the bottom boundary had an erroneous half slip boundary condition
1456    o added bottom drag and no slip boundary condition capabilities to
1457      oceanic pressure coordinates code
1458    o added new verification experiment global_ocean_pressure, this experiment is
1459      also described in the tutorial section of the manual
1460    checkpoint47d_pre
1461    
1462    checkpoint47c_post
1463    o Added a verification experiment for a global cubed-sphere ocean run
1464      -  verification/global_ocean.cubed32x32x30
1465      -  uses pkg/therm_seaice and pkg/bulk_forcing
1466    
1467    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1468    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1469      when using P-coordinate; only implemented for atmospheric config.
1470    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1471      NOTES: requires option NONLIN_FRSURF to be "#define".
1472    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1473    
1474    checkpoint47b_post
1475    Merging from release1_p9:
1476    o pkg/seaice
1477      - removed GOTO's and added taf directives
1478      - double precision constants to reduce the g77 (Linux)
1479        to F77 (SGI) differences reported in release1_p8
1480    o tools/genmake
1481      - added SGI options
1482    o verification/testscript
1483      - updated to that of checkpoint47a_post
1484    o verification/global_ocean.90x40x15/input/eedata
1485      - modified for SGI f77 compatibility
1486    o verification/lab_sea
1487      - added description of sea-ice model
1488      - added missing matlab routines
1489      - added test of thermodynamics parallelization
1490    
1491  checkpoint47a_post  checkpoint47a_post
1492  o new pkg: aim_v23  o new pkg: aim_v23
1493   = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.   = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.

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