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revision 1.113 by dimitri, Sat Dec 28 10:11:10 2002 UTC revision 1.460 by heimbach, Mon Feb 28 17:19:47 2005 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    
7    eckpoint57e_pre
8    
9    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
10      update output.txt of exp. fizhi-gridalt-hs
11    o add more "Z" dimensions and associated coordinate vars to MNC
12    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
13    o parameter calendarDumps: when set, approximate months (30-31 days) and years
14      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
15      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
16      months and years.  Requires pkg/cal.
17    o diagnostics: add pickup functionality
18      - off by default for backwards compatibility
19      - current version only uses MDSIO -- MNC will be added
20    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
21    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
22    
23    checkpoint57d_post
24    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
25    o modify verification/ideal_2D_oce so that it tests the creation of mnc
26      output from the diagnostics package
27    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
28    o make genmake2 more portable by using ".$FS" instead of ".f" for more
29      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
30    o add coordinate variables to the MNC output from the diagnostics package
31    o change MNC-flags default value: true when useMNC=TRUE
32    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
33      the ability (off by default) to read the grid information using MNC
34    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
35    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
36    o do snap-shot diagnostics at the middle of the time-interval (instead of
37      at the end).
38    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
39      new test for AIM with thSIce + slab-ocean
40    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
41    o move state variable diagnostics to the beginning of the time step ;
42      (note: still needs some work specially for snap-shot diagnostics)
43      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
44    
45    checkpoint57c_post
46    o Change testing option (-ieee) to get closer agreement between g77 & ifort
47    o generate new output.txt files on faulks with g77 & the new -ieee option
48    checkpoint57c_pre
49    
50    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
51      update output.txt of exp. global_ocean.90x40x15
52    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
53      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
54    o add saltFlux(+File) forcing capability with periodicExternalForcing
55    o allow to use pkg diagnostics for GM-Redi & ThSIce output
56    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
57    o improvements for the MNC output from DIAGNOSTICS:
58      - correct handling of the unlimitied dimension
59      - all dims now have associated coordinate variables
60      - variables located at U, V, and Corner ("Z") points are now written
61        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
62        *all* data points are output
63    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
64    o added pkg/seaice/seaice_monitor.F
65    o mdsio_readfield.F can now read files visible only to master MPI process.
66    o pkg/seaice: some test code for ice-modified ocean stress
67    o exf_getffields interpolation defaults to bilinear for all scalar forcing
68      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
69      spurious negative numbers for precipitation and humidity.  Will cause
70      some small numerical differences for integrations using pkg/exf/exf_interp.F.
71    o pkg/ctrl/
72      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
73        May be enabled via doPackDiag
74      *  introduce z-scaling of
75         + gradient (doZscalePack) and
76         + control (doZscaleUnpack)
77    o pkg/mdsio/
78      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
79      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
80    
81    checkpoint57b_post
82    o simplify options in diagnostics_fill arguments (remove weird combinations)
83    o fix MNC coordinate variables so that they now contain per-face index
84      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
85      general, EXCH2 grids are only aligned to a "local" coordinate system
86    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
87    o Implement instantaneous output within pkg diagnostics:
88      setting a negative frequency in data.diagnostics produces
89     "snap-shot" output (as opposed to time-average if freq > 0)
90    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
91      NOTE: change ptracer diagnostics name: use 2 characters to work with
92            more than 9 tracers. Add also diagnostics of advect & diffus flux.
93    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
94      becomes the coordinate variable for the 'T' dimension
95    o add CF-style coordinate variables to MNC
96      - just a first cut:  numbers are meaningless on the cubesphere and
97        missing along the T axis but otherwise it works!
98    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
99    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
100    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
101      this is based directly on what the model compute, so that the content of
102      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
103    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
104    o clean up build options files for SunOS, in particular
105      - remove -traditional from xmakedepend
106      - change -xarch=v9 to -xarch=native for f77
107      - restore use of make (not gmake)
108      - add CC=gcc if using g77
109    o changes per discussion of AM, JMC, & EH3 today:
110      - move redundant "grid" variables out of "state" -- in preparation of
111        creating proper CF-style coordinate variables and in recognition
112        that any/all grid variables can be easily copied (eg. w/NCO) from
113        the grid files into any of the other NetCDF files
114      - *always* output grid variables with MDSIO (this will eventually be
115        changed)
116      - output MNC grid file if useMNC is true
117    o every instance of _END_MASTER() has been found and replaced with
118      _END_MASTER( myThid ) in order to satisfy certain picky Sun
119      preprocessors
120    o re-arrange diagnostics pkg initialisation:
121     - allow each package to extend the available diagnostics list
122     - add some checking and fix small problems (multi-threaded, ...)
123     - new S/R diagnostics_fill (replace fill_diagnostics):
124       look through the short list of active diag. (instead of the long list)
125       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
126    
127    checkpoint57a_post
128    o this set of changes restores TAMC compatibility
129      tested for global_ocean.90x40x15 adjoint on trough
130      (what a pain)
131    
132    checkpoint57a_pre
133    o some modifs in tools/build_options for sunos
134    o call ctrl_pack for ctrl at end for optimcycle=0
135    
136    checkpoint57
137    o add horizontal bi-harmonic viscosity for vertical velocity
138      - new parameter viscA4W (defaults to viscA4)
139      - affects only non-hydrostatic code
140      - to be done: no-slip lateral boundary conditions
141    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
142    o implement Implicit Vertical advection for pTracers
143    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
144      (implemented also for implicit vertical diffusion & advection)
145    o OBCS: extend application of tracer open boundary conditions
146      to a strip beyond the boundary of width Olx/Oly
147    o add call monitor to TAF set of required calls (flow directives)
148      and include in natl_box_adjoint
149    o untangle a few ifdefs related to cost, ctrl, autodiff
150      untangel a few ALLOW_ECCO_OPTIMIZATION
151    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
152      (theta2, salt2 in ecco_cost_weights)
153    
154    checkpoint56c_post
155    o OBCS as control variables
156      - update ctrl_ad_diff.list, obcs_ad_diff.list
157      - remove balance of obcs controls from default
158      - fix index bug nobcs in ctrl_init
159      - fix dummy fields filen in ctrl_pack
160      - add dummy weights for obcs
161    o lsopt: comment out fort.94 output
162    o optim:
163      - remove unnecessary header files
164      - adjusted namelists
165      - add xerbla.F to Makefile
166    o exf:
167      - multiple modifications of exf_check_range
168      - unit change in exf_init_runoff from [m/year] to [m/s]
169    o mdsio:
170      - i/o-vector change debugLevel from debLevA to debLevB
171    
172    checkpoint56b_post
173    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
174      is called from DO_THE_MODEL_IO
175      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
176      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
177      - clean up PTRACERS_WRITE_TIMEAVE a little
178    o add another verification experiment that tests both the cfc-pkg and
179      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
180      reactive tendencies treated inline with regular timestepping
181    o testreport previously did a lousy job of comparing small numbers, so
182      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
183      implemented in the little c-progam tmp_cmpnum.c which is embedded in
184      testreport.
185    o ptracers_monitor: bug fix for MPI
186    
187    checkpoint56a_post
188    o GCHEM: finish reorganizating the package
189      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
190        (introduces another 3D-array for each passive tracer, but only if
191        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
192        gchemTendency is not needed because the timestep is done separately)
193      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
194      - GCHEM is now---more or less cleanly---separate from PTRACERS
195      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
196        so clear to me how that should be done in a general way.
197    o CFC: improve formatting of output in CFC_ATMOS
198    o PTRACERS:
199      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
200        that ALL experiments with ptracers enable can be checked. This makes
201        GCHEM_MONITOR obsolete.
202      - include a runtime parameter PTRACERS_monitorFreq that defaults to
203        monitorFreq
204      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
205    o add PTRACERS (PTR0[1-5]) to testreport output
206    o exf_check_range:
207      * default changed to .TRUE.
208      * will check values for niter0 if debLevA, every timestep if debLevB
209      * STOP in exf_check_range if 'out of range'
210      * range chosen generous to allow for potential extema
211      TBD: a version with stricter range
212           permitted range would be runtime parameters
213    o GMredi:
214      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
215      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
216      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
217    o GCHEM:
218      - move call to GCHEM_FORCING_SEP, so that it is now called before
219        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
220      - introduced a useGCHEM runtime flag and applied it everywhere.
221      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
222        this flag is now only visible within GCHEM-pkg routines.
223      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
224        be replaced by a 3D array that is computed before thermodynamics; for
225        this, the tracer ID iTracer had to be included into the parameter list
226        of ptracers_forcing
227      - set up forward_step to call gchem_forcing, that will replace
228        gchem_forcing_int in ptracers_forcing
229      - cleaning up
230    o small cleaning of exch2: remove files that are also in eesupp/src
231    
232    checkpoint56
233    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
234    o mnc: cleanup "full" files--fixes out-of-memory problem
235    o ECCO-GODAE
236      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
237      * fully merged and updated from SIO code
238        windstress sign change affects
239        - exf_inscal_[u/v]stress
240        - sign of xx_tau[u/v] adjustments
241        - signs in cost_scat
242      * ctrl_get_gen: avoid update of tau[u/v] for first few days
243      * natl_box_adjoint updated and compressed
244      * 2-level checkpoint switch added
245        (tested in EXP. 1 of natl_box_adjoint)
246      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
247    o SVD
248      * first complete, non-hacked version for SVD calculations
249      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
250        performed via direct access files admtlm_vector.it????
251        (via ctrl_[un]pack)
252      * optimcycle is used for ARPACK iteration counter
253        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
254      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
255        and add linear transforms where necessary
256      * controls are initial/final SST, SSS (can be extended; need to check
257        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
258    o mdsio: filename info to both stderr, stdout
259    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
260      from sign change
261    
262    checkpoint55j_post
263    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
264      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
265    o add consistent build directories and .cvsignore files to verification
266    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
267    o make all subroutines 30 or less characters in length for certain older
268      compilers to work (a thorough search only turns up two routines in
269      pkg/ptracers)
270    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
271      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
272    
273    checkpoint55i_post
274    o change arrays for total vertical diffusivity (2.D if explicit,
275      3.D if implicit) ; each ptracer uses its own background value.
276    o added mnc/NetCDF output capability to ocn_compon_interf
277      - added bits to verification/cpl_aim+ocn so that it can run on
278        ITRDA and other clusters without the mpirun "-wd" option
279    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
280      configuration
281    o give MNC the ability to create additional files rather than
282      exceeding a specified file size limit "MNC_MAX_FILESIZE"
283      - the default is just less than 2GB which is a practical limit
284        on many systems
285    o Compute the non-local term using either KPP vertical diffusivity (=default)
286       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
287    
288    checkpoint55h_post
289    o add verification test "vermix"
290    o remove all the *_ioinc flags and replace with the single global
291      outputTypesInclusive flag
292    o allow to set a vertical profile of vertical diffusivity for T & S
293    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
294    o useMNC moved from data.mnc to data.pkg
295    
296    checkpoint55g_post
297    o Renaming carbon AD experiments to comply with testreport conventions
298    o Updating adjoint of Held-Suarez hs94.1x64x5
299    o Fixing directives for non-ECCO forward_step, after ECCO directives
300      have been fixed to avoid recomp. of do_oceanic_phys
301      Works well for global_ocean.90x40x15,
302      but recomp. issue remains for carbon
303    o Updating adjoint output for natl_box_adjoint after
304      pkg/ecco has been modified (see taga c55d_post)
305    
306    checkpoint55f_post
307    o rename to timeave_init_fixed
308    
309    checkpoint55e_post
310    o some delicate re-shuffle of store directives to avoid one
311      extra call of do_oceanic_physics
312      affects ecco_the_main_loop.F, do_oceanic_physics.F
313      checkpoint_lev1_directives.h
314    o NB: this may break global_ocean adjoint temporarily,
315      but it is clear how to fix it. Will do later, need this now.
316    
317    checkpoint55d_post
318    o ECCO specific cost function terms (up-to-date with 1x1 runs)
319    o ecco_cost_weights is modified to 1x1 runs
320    o modifs to allow observations to be read in as
321      single file or yearly files
322    o enable to read exf forcing fields as either
323      single file or yearly files (flag useExfYearlyFields)
324    checkpoint55d_pre
325    
326    o switch between 2-level and 3-level checkpointing
327    o add ability of MNC to write local and "partial" (eg. 2D slices where
328      the full 3D field is never actually stored) arrays to NetCDF files
329      with the correct (that is, the complete multi-dimensional) set of
330      array indicies
331      - used in mom_vecinv() to write the diagFreq output
332      - tested (demonstrated) in verification/aim.5l_cs
333    o further mnc-ification
334      - add verification/lab_sea to the list with mnc setups
335      - fix undefined mnc v-names in cd_code
336      - add kpp to mnc output (both snapshot and timeave)
337    o non-hydrostatic code
338      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
339        in calc_gw.F
340      - defaults to viscAh
341      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
342        friction or Leith) in non-hydrostatic mode, as long as there is
343        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
344    o pkg/cost
345      extend simple cost functions to treat time mean quantities
346      (T,U,V) via cost_accumulate_state from cost_tile
347    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
348        be 2 times larger than the minimum size the advection scheme requires.
349        now get a perfect conservation of salt in advect_cs test-exp (updated)
350    o GGL90 (Gaspar's TKE mixed layer)
351      - add horizontal diffusion of TKE, requires exchanges in
352        do_fields_blocking_exchanges, horizontal diffusivity is zero by
353        default. In OPA there is no horizontal diffusion of TKE but the
354        mixing coefficients are computed from a horizontal average of TKE of
355        6 points or so. I think that diffusion has a little more physical
356        justification.
357      - clean up ggl90_calc in the hope of reducing memory usage (this hope
358        was in vain)
359      - mask tke-variable in ggl90_init
360    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
361    o fix biharmonic diffusion on CS-grid.
362    o more obcs stuff
363      - added obcs_external_fields_load as an alternative to the EXF-pkg option
364        for reading boundary values. This routine is called from
365        obcs_prescribe_read
366      - updated obcs_check
367      - changed sponge layer relaxation parameter units for days to seconds
368      - turned off sponge layer by default
369      - changed argument list of OBCS_CALC to myTime+deltaTclock
370      - fixed about 35 bugs in obcs_external_fields_load
371    
372    checkpoint55c_post
373    o obcs stuff
374      - new runtime flags useOBCSprescribe, useOBCSbalance
375      - re-arranged obcs_calc
376      - moved exf_getobcs to obcs_prescibe_read
377        obcs_prescibe_read is called after ORLANSKI stuff
378        and independent of it (executable can contain all).
379      - updated obcs_check
380      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
381        These may be necessary only if tangential velocities are
382        prescribed at OB, not sure, needs testing.
383    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
384      which simplifies the calls and passes the ifc check-bounds test
385    
386    checkpoint55b_post
387    o add a 2D scalar, Z location, exchange_2 routine.
388    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
389      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
390      affects advect_cs results (for the wrong reason): update output.txt
391    o use a more standard discretization for biharmonic viscosity ;
392     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
393      affects results of dome set-up: update output.txt
394    o fix gad_advection.F (CubedSphere part), back to version 1.23
395    o fix bug in mom_vi_del2uv.F (CubedSphere part).
396    
397    checkpoint55a_post
398    o merged code to
399      * prescribe/read time-dependent open boundaries
400        (works in conjunction with exf, cal)
401      * sponge layer code for open boundaries
402      * each boundary N/S/E/W now has its own CPP option
403        (healthy for the adjoint)
404    
405    checkpoint55
406    o up-to-date adjoint of previous breaks
407      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
408      - global_ocean_ebm: adjoint still needs fix (TLM ok)
409      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
410      - carbon: * remove tr1-related adjoint verification
411                * add ptracer as control variable
412    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
413      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
414    
415    checkpoint54f_post
416    o in verification/carbin/ remove experiment related to
417      ALLOW_PASSIVE_TRACER (array tr1 etc)
418      code_ad/ input_ad/ results_ad
419    
420    o add two new packages
421      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
422        + subject to optimization (memory)
423      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
424        + subject to reordering (many GOTOs in the original code)
425        + so far opps is called for every (i,j) point, and then operates in
426          the vertical; one may want to reorder the scheme in order operate in
427          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
428          fields)
429    o overhaul of IO so that we now have flags for MDSIO and/or MNC
430      - all verification tests compile and run with linux_ia32_g77
431      - defaults are compatible with current input files--nothing
432        should change if you were not previously using MNC
433      - MNC output has been added in numerous places (eg. timeave)
434        but there are still a few writes not yet do-able with MNC
435        (this is in progress)
436      - flags now allow for either/or/both use of MDSIO and MNC and
437        documentation will soon follow
438      - numerous small formatting cleanups for ProTeX
439    o add version info (via BUILD_INFO.h) to MNC and stdout
440    
441    checkpoint54e_post
442    o add two new packages
443      - pp81 (Packanowski and Philander, 1981), Richardson number and
444        stratification dependent mixing
445      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
446      - these scheme operate in a similar manner as KPP (without ghat, of
447        course), however there is only one diffusivity that is used for both
448        temperature and salinity (and passive tracers)ç
449    o add offline package
450    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
451      provided by Stephanie Dutkiewicz
452    o genmake2: add ability to search for C compilers and cleanup test output
453      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
454    
455    checkpoint54d_post
456    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
457    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
458      leading to additional shift by 5 days each year of integration
459       (i.e. leading to considerable offset over the years)
460    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
461    o start with no AB and no initial filtering (staggerTimeStep):
462      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
463    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
464      (external loading & cpl import/export stay in forward_step.F)
465    o update coupling interface to work with new staggerTimeStep
466    o change MDSIO ptracers_pickup.
467    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
468    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
469    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
470    
471    checkpoint54c_post
472    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
473      this affects (truncation error) output.txt of test-exp:
474       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
475    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
476    o change Qnet to always be the net heat flux, (+upward).
477      affects (truncation error) output of natl_box exp.: updated
478    o define the max number of passive tracers in PTRACERS_SIZE.h
479    o start to test mnc routinely in exp0
480    o add sea-ice loading (sIceLoad) as a new forcing field.
481    
482    checkpoint54b_post
483    o add testreport "-j JOBS" option for parallel builds (tested and pretty
484       impressive on Altix and Opteron systems)
485    o diagnostics can now write NetCDF files through the mnc package
486    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
487    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
488    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
489      affects (truncation error) output of lab_sea & natl_box exp.: updated
490    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
491    
492    checkpoint54a_post
493    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
494    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
495    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
496    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
497      + internal_wave (shift in writing cg2d_ini_res)
498    checkpoint54a_pre
499    
500    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
501      - modified verification/lab_sea and natl_box_adjoint accordingly
502    
503    checkpoint54
504    checkpoint53g_post
505    o prepare splitting of thermodynamics: store convect.counter in common block
506    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
507      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
508    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
509    o new parameter "nShapS": allow to treat differently S from T (nShapT)
510    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
511    o restore adjointability
512    
513    checkpoint53f_post
514    o modifications that affect AIM experiment results (update output.txt):
515      - no advection of S at top interface Nr (pkg/generic_advdiff)
516      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
517    o AIM pkg:
518      - include stability function into surf.Flux derivative relative to Tsurf
519      - calculate clear-sky radiation & surface temp. change (for diagnostics)
520    
521    checkpoint53e_post
522    o merged cylindrical coord configuration
523    o added rotating_tank experiment
524    checkpoint53e_pre
525    
526    checkpoint53d_post
527    o faulks upgraded: re-generate output.txt that have changed:
528       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
529    o Added Bryan and Lewis, 1979, vertical diffusivity profile
530    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
531    o added Sadourny discretization of Coriolis
532      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
533      - re-enabled use of omega3 (useAbsVorticity)
534    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
535      vector-invariant equations
536      - note: does *NOT* yet use same variable visc. for no-slip BC's.
537    o recoded the lateral boundary conditions for non-hydrostatic w, this time
538      hopefully without new bugs
539      - still to do: biharmonic friction for non-hydrostatic w
540    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
541    o regenerated output for global_ocean_ebm (using -ieee)
542    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
543      of mom_common/
544      - simple re-arrangement of instructions within computing loop
545    checkpoint53d_pre
546    
547    checkpoint53c_post
548    o new version of coupler for AIM+thSIce and Ocean models
549     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
550     - land: change Evaporation of snow
551     - aim with thSIce: fix bug in snow-precip.
552    o changes to calc_gw.F
553     - bug fix for w^2 term near the bottom boundary
554     - (hopefully) improve the lateral slip boundary condtions for use with
555        partial/looped cells
556      - because the bug fix changes two verification experiments anyway (exp5
557        and plume on slope), change the lateral boundary condition from half slip
558        to the value of no_slip_sides
559    o ebm package wasnt quite up to the parallel task. Fixed that.
560    o Adjoint of EBM package + verification
561      * TLM OK
562      * ADM not sufficient accuracy yet (needs further testing)
563    
564    checkpoint53b_post
565    o Commiting new energy balance model to repository
566      * package is pkg/ebm
567      * verif. is verification/global_ocean_ebm
568      * references are in ebm_driver.F
569    C      * X. Wang, P. Stone and J. Marotzke, 1999:
570    C        Global thermohaline circulation. Part I:
571    C        Sensitivity to atmospheric moisture transport.
572    C        J. Climate 12(1), 71-82
573    C      * X. Wang, P. Stone and J. Marotzke, 1999:
574    C        Global thermohaline circulation. Part II:
575    C        Sensitivity with interactive transport.
576    C        J. Climate 12(1), 83-91
577    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
578    C        Destabilization of the thermohaline circulation
579    C        by atmospheric eddy transports.
580    C        J. Climate 7(12), 1870-1882
581    o Will need long integration testing.
582    checkpoint53b_pre
583    
584    o created pkg/mom_common in preparation for variable viscosity code
585    o renamed and split ini_mnc_io
586    o pkg/land: only liquid water can diffuse or run-off
587    o AIM using land: soil wetness availability account for snow
588    o added printMapIncludesZeros to EEPARMS namelist
589    
590    checkpoint53a_post
591    o restore TAMC compatiility for exf_constants.h
592      (no usage of _d in .h)
593    o Additional storing in KPP in an attempt to fix
594      TAMC problem with adjoint of KPP code.
595      (no success...)
596      Identical code works fine with TAF.
597    o Fixed verification/natl_box_adjoint experiments.
598      Initial conditions for Experiments 4 and 5 are now
599      set to "SEAICE_initialHEFF=0", which is more reasonable,
600      and hence gives results closer to that of Experiment 2.
601      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
602    
603    checkpoint53
604    o stable checkpoint with up to date adjoint
605      TLM tests only run for 1st grdchk at the moment. Its unclear if
606      this is a code problem or a problem with resetting code for g_
607      variables that is being autogenerated wrong.
608      Otherwise:
609       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
610       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
611         are both still in chaos following their security messes.
612    
613    checkpoint52n_post
614    o various build (mostly genmake2) changes including:
615      - ability to build/run more easily within Cygwin and MacOS X
616      - more complicated Makefiles with a stronger dependence on Gnu Make
617    o pkg/seaice modifications
618      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
619        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
620        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
621      - changed proxy for geostrophic velocity and updated
622        verification/lab_sea/results/* accordingly
623      - removed ADI dynamic solver from pkg/seaice
624      - replaced all occurrences of 1/CSTICE or 1/CSUICE
625        they caused a segmentation fault under certain circumstances
626      - removed unused field WATR
627    o bug fix in exf-package:
628      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
629         now reflect that.
630    o small fixes in the cal-package:
631      - set reference date to first of January for the 'model'-calendar
632      - failing of cal_CheckDate in cal_FullDate now actually results in a
633        warning
634    o small modifications in exf-package to increase flexibility:
635      - change climtempfreeze from a constant to a runtime parameter that
636        is specified in data.exf_clim (default = -1.9)
637      - introduce runtime parameter windstressmax (default = 2.0) that is
638        specified in data.exf
639    o fix in pkg/thsice:
640      - update Evap (Tsf changes) to be consistent with Latent heat flux
641      - maintain snow precipitation unchanged (even if Tsf >=0).
642     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
643    
644    checkpoint52m_post
645    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
646      this does not change any of the results, because myIter=0 in swfrac always
647      lead to jwtype=2 (the default anyway), but the call makes little sense
648      as a default
649    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
650    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
651      atmospheric model (AIM) to use it ; add a "slab ocean" component.
652    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
653    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
654    o extending useSingleCpuIO option to work with new exch2 I/O format
655      - old-style, missing-tile I/O is still accessible by defining CPP
656        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
657    o monitor package can write to NetCDF files and/or STDOUT
658    o fix re-definition bug in MNC_GRID_INIT_ALL()
659    o doc/api_reference added
660      - a framework for building an API Reference Manual using all
661        the "protex" comments embedded in the code
662      - see pkg/generic_advdiff, pkg/mnc for examples
663    o MNC:
664      - make myThid the last argument for all subroutines
665      - new default for the grid files: NO halos
666      - add useMNC and other run-time flags
667      - separate per-file-group handling of the unlimited dimension
668      - early initialization of MNC w/ flags read at the eeboot stage
669        and lookup tables set in initialize_fixed
670      - write all MNC output to a freshly-created directory
671    o thermodynamics sea-ice (thsice) is now tested with testreport.
672    o test exp. advect_cs: use the standard cs32 grid ; update output.
673    o Added functionality to grdchk:
674      pick global i,j,k position (or nearest wet) where to perform check.
675    
676    checkpoint52l_post
677    o new land formulation:
678      a) use ground enthalpy as prognostic variable to ensure exact
679         energy conservation.
680      b) account for water temperature and for latent heat of freezing
681         in all processes (rain, run-off, ground storage)
682      c) compute surface and ground temperature implicitly.
683    o aim_v23 modification for new land model:
684      a) Treat separately land / ocean / sea-ice surface fluxes
685         to allow implicit computation of land & sea-ice surface temp.
686      b) add snow precipitation.
687    checkpoint52l_pre
688    
689    o fix problem (when 1 tile is empty) in min/max monitor.
690    o fix bug in timeAve (u,vZetatave in common block)
691    o no restoring terms under ice for pkg/seaice
692    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
693    o bug fix for pkg/seaice pickups
694    o change MNC call locations and add coordinate attributes
695    o mask vorticity at the corner ; affects global_ocean.cs output
696    o fix ini_curvilinear_grid ; test CS experiments with mpi
697    o aim.5l_cs: modify sea-ice fraction input file ; update output
698    o exf: Adding simple range check routine for exf fields after read
699    
700    checkpoint52k_post
701    o removed top-level directory "diags"
702      - we migrated these functions to pkg/timeave a long time ago
703    o fixed bug introduced in pkg/monitor
704    o accuracy ctrlprec = 32 insuffient for gradient checks using
705      averaged fields (I/O via cost_averages)
706      -> use ctrl.h in active_file*.F to control I/O precision.
707    o paramter list of CALL ADTHE_MAIN_LOOP
708    o added initial do_the_model_io to ecco
709    o set all ...Freq to zero after cost_final
710      taveFreq, dumpFreq, pChkptFreq
711    o MAIN and ECCO differentiability restored
712    
713    checkpoint52j_post
714    o fix nchklev in tamc.h for global_ocean...
715    o Bringing flow and store directives up-to-date
716    o Really weird thing!
717      call do_the_model_io from the_main_loop with parameters
718      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
719      TAF places a faulty re-call of initialise_varia
720      after cost_final call which should not be there!
721    checkpoint52j_pre
722    
723    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
724      error messages
725    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
726    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
727      debug output
728    o modfied mdsio_writefield.F to handle non-global files under exch2
729    o update AIM Cubed-Sphere exp (aim.5l_cs):
730      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
731    o update AIM Equatorial Channel exp:
732      use standard aim_v23 pkg and change the SST fields to be more realistic.
733    o globalFile now works with exch2
734    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
735      mon_vort3.F to make exch2 friendly with >1 tile per cube face
736    o limit timeave output for hi-res integrations
737    
738    checkpoint52i_post
739    o removed CPP_EEOPTIONS.h from verification/*/code
740    o updated the tiling for global_ocean_pressure
741    checkpoint52i_pre
742    
743    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
744      the old pkg/aim).
745    
746    checkpoint52h_pre
747    o shortened offending lines in exch2_send_rx?.template
748    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
749    o genmake2: add build & execute test for NetCDF code
750    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
751      old grid files, moved CPP_EEMACROS.h to pkg/exch2
752    o added useSingleCPUIO flag to monitor.F and mon_out.F
753    o added temporary hack for sea-ice dynamics on the cube:
754      metric terms are ignored and it is assumed that
755      there is no sea-ice on cube faces 1, 2, 4, and 5.
756    
757    checkpoint52f_post
758    o added exch2 cube routines to pkg/exch2
759    o modified hs94.cs-32x32x5 to use it
760    o added new grid files to hs94.cs-32x32x5
761    checkpoint52f_pre
762    
763    checkpoint52e_post
764    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
765      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
766    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
767      to work with implicit vertical advection and AB ;
768    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
769    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
770     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
771    checkpoint52e_pre
772    
773    o fix bug in impldiff when Nr=1 or Nr=2.
774    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
775    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
776    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
777      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
778    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
779    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
780    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
781    
782    checkpoint52d_post
783    o re-tiled many expts to allow comparison in multi-processor mode
784      - updated output accordingly
785      - changed hs94.128x64x5 to use intial T from file rather than use the
786        random number generator
787    o add infrastructure in model routines for fizhi and gridalt packages
788    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
789    o changes to permit hi-res, cubed-sphere, configuration
790      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
791      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
792      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
793        of surface winds for the cube
794      (A verification experiment, based on global_ocean.cs32x15, but with
795       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
796       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
797       complete with example surface forcing files and matlab scripts to look
798       at the output and compare it with that of global_ocean.cs32x15.)
799    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
800       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
801       to conform to the common rule.
802    o check-in the first version of the coupler + interfaces for multi-components
803       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
804       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
805       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
806       - ocean and atmos. share the same horizontal grid (no interpolation).
807       - exchanges between component and coupler is done in forward_step
808    o new verification experiment, cpl_aim+ocn:
809       coupled ocean - AIM atmosphere on cs32 grid.
810    
811    checkpoint52d_pre
812    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
813    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
814    
815    checkpoint52c_post
816    o Fixing OPTIONS files for use of exf:
817      - ALLOW_ECCO not needed
818      - ECCO_CPPOPTIONS.h should not be included from
819        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
820        as has been the case in the past
821      - All cal/exf related options are currently set in
822        single header file. Should remain so until we
823        agree on a consistent new policy.
824    o Removed all CPP options for cal package.
825      cal has no more CPP options.
826    o modified STOREs in GAD_ADVECTION
827    o corrected key comp. for passkey
828    
829    checkpoint52b_post
830    o new version: "thsice" of thermodynamic sea-ice pkg:
831     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
832     - modify fluxes but do not change theta directly;
833     - light cleaning of bulk_force pkg (still needed with thsice).
834     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
835       + output_thsice.txt to test thsice & bulk_force pkgs.
836    o put back grid & coriolis monitor output.
837    checkpoint52b_pre
838    
839    o call "do_the_model_io" at the beginning (=> dump initial state)
840    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
841    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
842      (need info on NUMBER_OF_PTRACERS)
843    o missing PTRACERS headers in some routines
844    o default tamc.h in pkg/autodiff supposed to crash
845      to ensure proper customization
846    
847    checkpoint52a_post
848    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
849      - moved surfaceTendencyTice from pkg/seaice to main code
850      - subroutine FREEZE_SURFACE now limits only surface temperature
851        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
852        => new output.txt for global_ocean.cs32x15 & global_with_exf
853      - keep the old version of FREEZE for backward compatibility;
854        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
855      - corresponding modifs for TAF directives
856    o added surface flux output variables to TIMEAVE_STATVARS
857    o time-averaged output for pkg/ptracers
858    o fix problem with ECCO-related divided adjoint
859      snapshot file was missing some ad-variables,
860      but no warning issued by TAF
861    
862    checkpoint52a_pre
863    o some bug fixes for #undef REAL4_IS_SLOW
864    
865    checkpoint52 = ecco_c52_e35
866    o after testing adjoints of checkpoint51u_post
867    
868    checkpoint51u_post
869    o this is the post-merge tag of the ecco-branch
870      (needs another clean checkout and re-testing)
871    o various natl_box_adjoint configs and results
872      but no input fields
873    o obcs adjoint not yet merged!
874    o adding ECCO global 1x1 and 2x2 degree configs
875    o updated/extended some store directives for seaice
876    o pkg/ecco now containes ecco-specific part of cost function
877    o top level routines the_main_loop, forward_step
878      supersede those in model/src/
879      previous input data.cost now in data.ecco
880      (new namelist ecco_cost_nml)
881    o in ctrl/ cleaned some cross-dependencies and updated CPP options
882    
883    checkpoint51t_post
884    o this is the pre-merge tag of the ecco-branch
885    
886    checkpoint51s_post
887    o cleanup: removed various obsolete #define-s
888    o pkg/grdchk
889      - renamed 'ph-grd 3' to 'grad-res'
890      - merged from ecco-branch
891        (remaining bug fixes for obcs gradient checks)
892      - additional high-precision output for testreport
893        (grep for 'precision_grdchk_result')
894    
895    checkpoint51r_post
896    o cleaned up or removed CPP_OPTIONS.h files
897    o updated results for some of the tests to reflect the new
898      optfiles (-ieee: -O0 instead of -O3)
899    
900    checkpoint51q_post
901    o cd_code:
902      - moved cd_scheme.F -> cd_code_scheme.F
903      - separate read_checkpoint from cd_code_ini_vars.F
904      - separated cd_code part from write_checkpoint
905      - updated AD_SOURCE, generated .flow
906      - added CD_CODE_VARS.h to the_main_loop
907      - Moving cd_code specific store dir.s to pkg/cd_code
908    o ctrl package totally restructured
909      - pack/unpack now optional and decoupled from
910        xx_/adxx_ I/O
911      - ctrl_pack/unpack cleaned
912        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
913      - confined inclusion of AD_CONFIG.h to where necessary.
914    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
915    
916    checkpoint51p_post
917    o create initial cd_code package
918      - WARNING: the initialization of fields within packages
919        is broken because INI_FIELDS (where READ_CHECKPOINT is
920        called) is called *before* PACKAGES_INIT_VARIABLES.
921        This seems to be backwards since
922        1) its important to initially zero the entire field including
923           the "halo" region
924        2) zeroing needs to be done *before* reading pickup info
925           and the pickup call might or might not happen in any
926           particular run
927      - this needs an overhaul for R2
928    o cleanup verification/*/code/GMREDI_OPTIONS.h
929    o cleanup testreport
930    
931    checkpoint51o_post
932    o bringing AD-related verif's up to date with genmake2
933      - carbon/
934      - global_ocean.90x40x15/
935      - hs.94.1x64x5/
936      - (front_relax/ )
937    o (more) consistent directory structure for AD-related verif.'s
938    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
939    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
940    o bug fix in find_alpha.F for MDJWF:
941      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
942        change rho -> rho-rhoConst
943      - replace call find_rho to find_rhonum
944    o initialisation of rFlx extended to full array (required by TAF)
945      and shifted to thermodynamics
946    o removed PTRACERS.h in ptracers routine
947    o added surfacetendencyPtr to S/R parameter list pracers_forcing
948    o Correcting initialisations for fVerU, fVerV.
949    o helping TAF to recognize dependency on kUp for
950      fVerU, fVerV
951    o Replacing delZ by delR in pkg/ctrl/
952    checkpoint51o_pre
953    
954    o undid all of cp51 pending some cleanups and discussion
955    o added the [#include "AD_CONFIG.h"] statement to all files that need
956       it for adjoint/tl #defines
957     o re-worked the build logic in genmake2 to support AD_CONFIG.h
958     o removed tools/genmake since it no longer works
959    
960    checkpoint51n_post
961    o modifications to make FREEZE flux visible to pkg/kpp
962      - moved surfaceTendencyTice from pkg/seaice to main code
963      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
964      - subroutine FREEZE now limits only surface temperature
965        (this means new output.txt for global_ocean.90x40x15,
966         global_ocean.cs32x15, and global_with_exf)
967    o added surface flux output variables to TIMEAVE_STATVARS
968    
969    checkpoint51n_pre
970    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
971    o added [#include "AD_CONFIG.h"] to all files that use the following
972      defines:
973      - ALLOW_ADJOINT_RUN
974      - ALLOW_TANGENTLINEAR_RUN
975      - ALLOW_ECCO_OPTIMIZATION
976    
977    checkpoint51m_post
978    o incorporating changes to get TAMC/TAF working in genmake2
979      - added new TAMC/TAF targets to the Makefile
980      - various cleanups related to package handling
981      - these changes should have no impact on the forward model
982    
983    checkpoint51l_post
984    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
985     - faster algorithm for cal_addtime.F
986     - higher precision arithmetic, where needed
987     - pkg/exf *startdate variables changed from calendar date to
988       model integration time
989    
990    checkpoint51l_pre
991    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
992    o enable to apply restoring on S & T only in a latitude band.
993    o update output (external_forcing_surf modif. change truncation errors)
994       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
995    
996    checkpoint51k_post
997    o change default to: useNHMTerms=.FALSE.
998     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
999       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1000     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1001        exp1, ideal_2D_oce
1002     - change data file of oceanic exp (leave the results unchanged for now)
1003       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1004    o set gravitySign automatically according to the vertical coordinate used
1005      (and change sign: back to "logical" value: +1 when R increases downward)
1006    o added an include barrier to the default CPP_OPTIONS.h and
1007      removed the #include "PACKAGES_CONFIG.h" from it
1008    o fix a bug in mom_fluxform (from chk51j_post)
1009    
1010    checkpoint51j_post
1011    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1012    o adjusted some flow directives (dynamics, thermodynamics)
1013    o added cubed-sphere case to test cost function
1014    o heckpoint_lev?_directives.h now include
1015      pkg-specific directives, whenever those are enabled.
1016    o Moving pkg-specific flow directives to corresponding pkg
1017      Moving pkg-specific differentiation list to corresponding pkg
1018      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1019      ---> conventions are
1020           - pkg_ad.flow
1021           - pkg_ad_diff.list
1022           - pkg_ad_check_lev?_dir.h
1023    
1024    checkpoint51i_post
1025    o merge of the branch-genmake2
1026      - knowingly breaks the older genmake
1027      - automatic generation of all ALLOW_${PKG_NAME} defines
1028      - new testreport supersedes older testscript
1029    o large number of package inclusion and header cleanups
1030    checkpoint51i_pre
1031    
1032    o new output for adjoin of global ocean vector invariant
1033    o fix for checkpoint of thermodynamic seaice and bulk_force
1034    o Steph gchem various cleanups
1035    
1036    checkpoint 51h_pre
1037    o fixed some single quotes
1038    o modify gchem pkg to be more versatile
1039    o modifications to clean up dic pkg
1040    o add pkg/cfc
1041    
1042    checkpoint51g_post
1043    o provide links for ARPACK and ADM*TLM
1044    o start removing verification/vero/
1045    o update AD-related stuff
1046      (in particular some IF-statements in model/src/ routines)
1047    o adding to verification/global_ocean.90x40x15/ adjoint of
1048      vector invariant setup
1049    
1050    checkpoint51f_post
1051    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1052    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1053      of tracer Green's fucntions for ocean inversion project.
1054    
1055    checkpoint51f_pre
1056    o Added on-the-fly spatial interpolation capability
1057        "USE_EXF_INTERPOLATION" to pkg/exf.
1058      - This is a temporary Cartesian-grid hack until
1059        the super-duper ESMF coupler becomes available.
1060      - See verification/global_with_exf/README for usage example.
1061      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1062        flags and modified pkg/seaice accordingly.
1063    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1064        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1065        non-local transport term.
1066    
1067    checkpoint51e_post
1068    o pkg/mom_vecinv:
1069      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1070      - add time-ave diagnostic of vorticity advection.
1071    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1072    o atmospheric geopotential: - include water vapor effect;
1073                                - use p^kappa in p* scaling.
1074    o land pkg: read initial state from files.
1075    o AIM : add stratospheric drag in the upper level
1076    
1077    checkpoint51d_post
1078    o change function ILNBLNK (=> last non-blank char.) to return zero
1079      (instead of the string length) when the string. char is empty
1080    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1081    o modif's to restore TAMC compatibility
1082      - avoid "_d" constructs in PARAMETER declarations
1083      - avoid interrupting lines by comment lines
1084    o Use cluster local disks for purely local I/O
1085      vs. globally visible disks needed for ctrl stuff
1086      (merged from ecco-branch)
1087      - new active_file_loc... and mdsio_..._loc routines
1088      - affected packages: autodiff, ctrl, grdchk, mdsio
1089    
1090    checkpoint51c_post
1091    o introducing integer flag debugLevel
1092      - debLevZero: suppress all output
1093      - debLevA: standard
1094      - debLevB: equivalent to current debugMode=.TRUE.
1095    o introducing pathname variable mdsioLocalDir for mdsio
1096      that can be specified at runtime
1097      (relevant for cluster I/O to local disk)
1098    `
1099    >>>checkpoint51b_post
1100    adjoint of ptracers
1101    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1102    o extended state in checkpoint_lev?, etc.
1103    o alternative ctrl/cost with tr1 or ptracer
1104    o new comlev1_bibj_ptracers
1105    o new ptracers.flow
1106    o made ptracers_forcing same as external_forcing_s
1107    o added verification for adjoint with ptracers
1108      - adm. grdchk fail so far
1109      - tlm. grdchk OK
1110      - checked tapelev/comlev recomputations: OK
1111    <<<checkpoint51b_pre
1112    
1113    checkpoint51a_post
1114    o added code for biogeochemistry package
1115      - new pkgs: dic, gchem
1116      - new subroutine in ptracers
1117    o modify code for biogeo packages
1118      - in model/src and pkg/ptracers
1119    
1120    checkpoint51
1121    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1122      - autodiff, ctrl, exf, grdchk, seaice
1123      kept separate packages
1124      - cost, ecco, obcs
1125    o updating verification/internal_wave, verification/lab_sea
1126      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1127    
1128    checkpoint50i_post
1129    o Preparing next differentiable checkpoint and sync
1130      of MAIN vs. ecco-branch
1131      - 1st step: this one is differentiable
1132      - 2nd step: next(! not this) checkpoint will have updated packages
1133                  from ecco-branch)
1134    
1135    checkpoint50h_post
1136    o new package "land": provide surface BC for AIM.
1137    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1138    o AIM: use true log-P extrapolation for near surface temp (= as in
1139        F.Molteni paper) ; update aim.5l_cs output.
1140    o New variable in PARM03 for more flexible pickups
1141    o somewhat cleaned package initialisation sequence for
1142      ctrl/ cost/ ecco/ in packages_... routines
1143    
1144    checkpoint50g_post
1145    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1146      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1147      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1148        made the default because of faster convergence than ADI
1149    
1150    checkpoint50f_post
1151    o exf totally restructured
1152      - replaced all exf_set_ routines by one generic exf_set_gen.F
1153        and made sure it's still differentiable
1154      - split exf_getffields.F into new exf_bulkformulae.F
1155      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1156      - updated adjoint/makefile and relevant verif. accordingly
1157    
1158    checkpoint50f_pre
1159     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1160          + change Evap over land. (update aim.5l_cs output)
1161     o added missing .cvsignores and made uniform across expts
1162     o changed configuration of tidal_basin_2d expt
1163     o added pkg/debug functions for tracing code in fatal crashes
1164     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1165     o new fn in pkg/monitor to stop model if solution grows too big
1166     o removed lots of single quotes from comments
1167    
1168    checkpoint50e_post
1169    o make KPP work with PTRACERS
1170     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1171       nearly a copy of kpp_transport_s
1172     - there is no analogue to SurfaceTendencyS, so I have to use
1173       gPtr(of the surface layer) instead
1174    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1175    checkpoint50e_pre
1176    
1177    checkpoint50d_post
1178    o change kpp output from multiple-record state files to single-record state
1179      files analogous to write_state.F
1180    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1181      analogous to the cg2d-related output.
1182    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1183      so that writing to internal file fn (with length 512) fails.
1184    checkpoint50d_pre
1185    
1186    checkpoint50c_post
1187    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1188    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1189    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1190    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1191    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1192    
1193    checkpoint50c_pre
1194    Merging from release1_p13:
1195    o bug fix for pkg/seaice dynamic solver
1196    o Added SEAICE_initialHEFF to pkg/seaice
1197    
1198    checkpoint50b_post
1199    o store u*,v* in gU,V instead of in guNm1,gvNm1
1200    o in order to put the momForcing out of the Adams-Bashforth:
1201      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1202      to timestep.F
1203    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1204    o re-generate output for highly sensitive test-exp:
1205       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1206    
1207    checkpoint50b_pre
1208    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1209    o corrected CPP option mismatch in exf_Bulk... functions for case
1210      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1211    
1212    checkpoint50a_post
1213    o Bug fix for merging between c50 and KPP.
1214      ikey was passed from thermodynamics to kpp_calc via
1215      common block rather than being recomputed in kpp_calc,
1216      in contradiction with new key itdkey.
1217      New key ikppkey created, and tamc.h headers updated.
1218    
1219    checkpoint50
1220    - 2nd step of merge with ecco-branch:
1221      merge changes in ecco-branch back into main trunk
1222    - bug fix in find_alpha
1223    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1224    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1225    - merged some sliced AD support routines
1226    
1227    checkpoint49
1228    merged from ecco-branch:
1229    o exf:
1230      - Enable initialisation of forcing fields to constant
1231        (runtime) values.
1232      - in exf_getffields.F
1233        Reduce i-/j-loop to interior domain, discarding overlaps.
1234        That also fixes wrong TAF-key computations for key_1, key_2
1235        with bulf formulae.
1236      - exf_init.F modify #ifdef for exf_init_evap
1237      - exf_getffieldrec.F, ctrl_getrec.F
1238        The following INT-usages are not safe:
1239          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1240          fldcount = int(fldsecs/fldperiod) + 1
1241        and were modified.
1242    o autodiff: checkpoint_lev...
1243      - updated storing for bulk formulae (some arrays were missing)
1244      - added state for seaice package
1245      - synchronized with main branch
1246    o DIVA:
1247      Modif.s in
1248      - the_main_loop.F
1249      - the_model_main.F
1250      and added cost_final_restore.F cost_final_store.F
1251      o With these changes, it is possible to fully separate
1252        the first forward run to compute the cost function (mdthe_main_loop)
1253        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1254        into separate model executions.
1255        This enables better tuning of DIVA to given queue sizes.
1256      o Loss of cost function value in consecutive DIVA runs is
1257        fixed by storing to 'costfinal' file.
1258      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1259        beginning/end of adjoint integration is accounted for.
1260      The current changes apply to TAF-1.4.26.
1261      TAF has one remaining bug, requiring one manual change
1262      (see MITgcm manual).
1263    o cal: synchronized between MAIN and ecco-branch
1264    
1265    checkpoint48i_post
1266    o Changes to restore differentiability of code w.r.t. previous tag
1267      (mostly adding new routines to make list and replacing
1268      pressure by totPhiHyd).
1269    o Updated and merged grdchk package
1270      - has both ADM and TLM checks
1271      - works for single- and multi-proc.
1272      - output cleaned
1273      - worked successfully for parallel DIVA
1274    o genmake:
1275      - Adding -platform=SP4
1276      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1277    o Modif. for DIVA:
1278      ctrl_unpack should not be called in intermediate DIVA interval.
1279      (similar thing would apply for active files such as
1280      tbar, sbar, psbar, which should not be reinitialised;
1281      only relevant for ecco-branch)
1282    
1283    checkpoint48h_post
1284    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1285    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1286    o Added SEAICE_initialHEFF to pkg/seaice
1287    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1288    
1289    checkpoint48g_post
1290    --- EOS:
1291    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1292      store total Potential in totPhyHyd for diagnostics & EOS.
1293    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1294    --- Pressure/geopotential gradient:
1295    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1296    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1297      ( changes results of global_ocean_pressure )
1298    o NLFS + z-coord.: add eta*Rho' contribution.
1299    o accurate phiHyd when using interface-W at the middle between 2 centers
1300     ( changes results of ideal_2D_oce )
1301    o includes r* 2nd term in potential gradient.
1302    
1303    checkpoint48f_post
1304    Merging from release1_p12:
1305    o Modifications for using pkg/exf with pkg/seaice
1306      - improved description of the various forcing configurations
1307      - added basic radiation bulk formulae to pkg/exf
1308      - units/sign fix for evap computation in exf_getffields.F
1309      - updated verification/global_with_exf/results/output.txt
1310    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1311      (SBO) core products, including oceanic mass, center-of-mass,
1312      angular, and bottom pressure (see pkg/sbo/README.sbo).
1313    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1314      to avoid negative values in shallow regions.
1315      - updated verification/natl_box/results/output.txt
1316      - updated verification/lab_sea/results/output.txt
1317    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1318    o Added useSingleCpuIO option (see PARAMS.h).
1319    o Updated useSingleCpuIO option in mdsio_writefield.F to
1320      work with multi-field files, e.g., for single-file pickup.
1321    o pkg/seaice:
1322      - bug fix in growth.F: QNET for no shortwave case
1323      - added HeffFile for specifying initial sea-ice thickness
1324      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1325    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1326      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1327    o pkg/seaice:
1328      - adjoint-friendly modifications
1329      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1330    
1331    checkpoint48e_post
1332    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1333    o dynamics: change definition of computational domain & adapt mom_fluxform
1334      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1335    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1336        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1337        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1338        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1339        inverted_barometer solid-body.cs-32x32x1
1340      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1341    
1342    checkpoint48d_post
1343    o in preparation for r*:
1344     a) use pre-computed gradient of hydrostatic potential:
1345        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1346     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1347        => affects results of glob_oce_pressure (different truncation error)  
1348      update output.txt of ideal_2D_oce & global_ocean_pressure
1349    
1350    checkpoint48d_pre
1351    o in preparation for r*:
1352      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1353      pass the 2 comp. of the grad. as arguments to momentum S/R.
1354      but for the moment, only used if it does not change the results.
1355    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1356    
1357    checkpoint48c_post
1358    Modifications in treatment of initial flux forcing controls
1359    to avoid extra storing of flux fields.
1360    
1361    checkpoint48c_pre
1362    o Added tidal_basin_2d experiment (currently 1D!)
1363    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1364    
1365    checkpoint48b_post
1366    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1367     (modification to pressure gradient not yet implemented)
1368    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1369      (for U & V) that are used for vertical advection of momentum.
1370    
1371    checkpoint48a_post
1372    o In preparation for r*, use temp. array to compute vertical transport
1373       in flux-form momentum pkg. => change results of few test-exp.
1374      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1375                        lab_sea, natl_box & plume_on_slope
1376    
1377    checkpoint48
1378    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1379    
1380    checkpoint47j_post
1381    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1382    o moved adexch from forward_step to addummy_in_stepping
1383    o added exch in ctrl_map_...
1384    o aveFreq.=0. at end of cost_final to avoid overwrite in
1385      reverse checkpointing loop
1386    o Yet more changes in gmredi:
1387      * adgmredi_calc_tensor
1388        avoiding all recomputation of gmredi_slope_limit
1389      * adgmredi_x/y/rtransport
1390        added flag for excessive storing to avoid recomp. of
1391        u/v/rtans, dTdx/y/z
1392        -> this is not really necessary and very memory-consuming
1393      * adgmredi_slope_psi:
1394        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1395      * gmredi_slope_limit
1396        re-activated full calculation of taperfct for case 'ac02'
1397    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1398    
1399    checkpoint47i_post
1400    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1401    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1402      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1403    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1404    o gmredi: fix few bugs.
1405    
1406    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1407    This will be a good checkpoint to plug into the ecco-branch.
1408    o few modif.'s to get latest version adjointed
1409      (mainly kick out code in ini_linear_phisurf)
1410    o modif's to run adjoint with exactConserv
1411    o case GM_BOLUS_ADVEC should be cleaned
1412      S/R gmredi_slope_psi should be cleaned
1413    o verification/carbon now has exactConserv=.TRUE.
1414    
1415    checkpoint47g_post
1416    o time-average AIM output: becomes independent from statvars time-average
1417      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1418    o After TAF bug fix:
1419      Tested adjoint of gmredi package.
1420      Tests were done with checkpoint47 rather than with latest
1421      checkpoint47f_post since the latter is broken for the adjoint
1422      verification/carbon/ contains both ADM and TLM gradient checks.
1423    Here they are, before they get changed/lost/stolen.
1424    Mostly modif.'s to fix numerical sensitivities.
1425    Gradient checks OK for
1426    - GM_taper_scheme:
1427      * clipping
1428      * ac02
1429      * linear
1430      * glw91
1431      * dm95
1432      * ldd97
1433    - GMREDI_OPTIONS:
1434      * GM_VISBECK_VARIABLE_K
1435      * GM_NON_UNITY_DIAGONAL
1436      * GM_EXTRA_DIAGONAL
1437      * GM_BOLUS_ADVEC
1438    in conjunction with data.gmredi parameters to be checked in
1439    in a few minutes under verification/carbon/code/
1440    
1441  checkpoint47f_post  checkpoint47f_post
1442  Merging from release1_p10:  Merging from release1_p10:
1443  o modifications for using pkg/exf with pkg/seaice  o modifications for using pkg/exf with pkg/seaice

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