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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.902 by jmc, Fri Nov 2 15:50:30 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o adding precip control xx_precip  o pkg/dic:
8  o moved ptracer ctrl index 17 -> 32    - add tons of "_d 0" (--> much better testreports !)
9       and then update outputs of tutorial_global_oce_biogeo
10    o pkg/mom_fluxform:
11      add a special version of momentum advection intended to conserve momentum
12      next to a bathymetry step or a coastline edge. (default = off = #undef)
13    o new read/write pickup version:
14      - for now, only implemented for main (mdsio) pickup file.
15      - write out only what is needed to restart; merge pickup_nh , pickup_ph
16        and main pickup together.
17      - read meta file; read only what is needed to restart; stop if a field
18        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
19        if it make sense (even if the restart is not perfect).
20      - if no meta file, assume that pickup to read corresponds exactly to
21        a pickup that would currently be written.
22      - read pickup written in the old format (until checkpoint59i) if it
23        recognizes an old meta file (no field-list).
24      - add a meta file in exp. which starts from a pickup: 2 cases:
25        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
26         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
27        b) a meta file describing the content of the associated pickup file
28         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
29    o pkg/mdsio & pkg/rw:
30      - new routine to read a meta file ; new set of routine to read
31        Multiple-fields file (with meta file).
32    o added open boundary conditions capability for seaice
33        HSNOW, HSALT, UICE, and VICE
34    
35    checkpoint59i
36    o adjoint:
37      * fix multiDimAdvection adjoint
38        (partial recomputation problem by TAF for fVerT(:,:,kDown)
39        and comlev1 size definition (maxpass vs. max. number of tracers)
40      * verification/global_ocean.90x45x15 adjoint now tests
41        NLFS and multiDimAdvection using DST3 (=30)
42      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
43    o pkg/kpp: add "_d 0" to real constant (if missing);
44      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
45      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
46    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
47      for internal parameters related to restart process (formerly from PARAMS.h)
48      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
49    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
50      as argument. (only atm2d & obcs write_pickup have not yet been updated)
51    o pkg/monitor:
52      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
53      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
54      - account for deep Atmosphere factor and density factor (anelastic)
55    o added open boundary conditions capability for seaice HEFF and AREA
56    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
57      thermodynamics
58      - requires a little reorganization, which affects the testreport results
59        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
60        so that now the conservative form is tested
61      - add a few comments
62    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
63    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
64    o add new diagnostics to seaice: advective, diffusive fluxes (only for
65      multidim-advection, for scheme 2 they are not filled) and transports,
66      thermodynamic growth rates
67    o change units of EmPmR (inside the code, + within coupling interface)
68      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
69      Affects results @ truncation level (cg2d match) and update output of
70       experiments: lab_sea(6), global_ocean.90x40x15(10),
71      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
72      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
73      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
74      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
75    
76    checkpoint59h
77    o pkg/exf:
78      - improve vectorization by moving if-statement out of loops in
79        exf_mapfields, exf_radiation
80      - exf_bulkformulae.F: introduce 2D fields and vectorize code
81    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
82    o testreport:
83      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
84        monitor & update offline_exf_seaice exp. output.
85      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
86    o pkg/seaice:
87      - bug fix in the evp solver: boundary conditions were affected be
88        masking of zMax/zMin (changes results)
89      - minor bug fix in boundary conditions in seaice_calc_strainrates
90        (changes results for no_slip)
91      - seaice_lsr.F: make interpolation of eta dependent on boundaries
92      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
93      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
94        stress formulation and no-slip boundary conditions
95    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
96      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
97    o pkg/seaice: a first HSALT time stepping equation has been checked in
98    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
99      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
100      without requiring DO-IF statements
101    o pkg/thsice:
102      use continuous power-law function for partition of energy between lateral
103      melting/freezing and thinning/thickening ; old code using step function
104      still available with #undef THSICE_FRACEN_POWERLAW
105      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
106    o testreport: change AD testing : check against results/output_adm.txt
107      using same scripts as for forward test.
108    
109    checkpoint59g
110    o adjoint testing: in preparation for changing testreport:
111      - output format: cost and grad written on separated lines
112      - ad output results in directory "results" (instead of "results_ad")
113    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
114    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
115    o pkg/ecco: allow user defined cost function contributions
116    o testreport:
117      Allow to choose (per experiment) the list of tested output variables
118       and the main variable (used to issue a pass/FAIL ) ;
119      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
120      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
121      Also modify printing of summary:
122       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
123       b) echo the list of tested variables in the individual summary.txt of
124          each experiment.
125    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
126      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
127      (but still depend on the tile decompostion of the domain).
128    o pkg/seaice: change a discretization detail to make the B-grid code
129      "more symmetric". This change is likely to remove all "ridges/leads" that
130      where quasi-aligned with the grid in B-grid solutions. It may also be
131      the solution to the stress coupling issues with the B-grid.
132    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
133      remove .cvsignore from input dir. (since testreport no longer run here).
134    o pkg/thsice:
135     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
136     - fix reshaping of sea-ice just after advection:
137       melt all the ice only if ice-volume is too small.
138     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
139       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
140     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
141    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
142      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
143    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
144      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
145      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
146      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
147      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
148      -> update output.txt
149    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
150     this affects truncation error: -> update output.txt of exp:
151      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
152      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
153    
154    checkpoint59f
155    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
156    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
157      a bounded range (in forward mode)
158    o pkg/ecco, ctrl, autodiff and mom_common:
159     internal parameter controls, completements of implementations
160    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
161    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
162      (not seem any difference in testing results).
163    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
164       at face corners.
165    o pkg/generic_advdiff:
166     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
167      loop range indices for computing vertical advection tendency
168      and do the calculation in the interior only (no overlap) ;
169      for now, only implemented for SOM advection (to save CPU time).
170     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
171    o exch2 adjoint
172      First set of changes:
173      - add exch2 hand-written adjoint templates
174      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
175        This will require cleanup in pkg/autodiff/*.F
176        (changed routines currently kept separate in verif. code/)
177      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
178        that used to hide exch2 or cubed-sphere specific code
179        (commented via 'cph-exch2')
180    o pkg/seaice
181      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
182    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
183       output of global_ocean.cs32x15.thsice .
184    
185    checkpoint59e
186    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
187      for B-grid vector (not yet tested) and C-grid vector (<- only used
188      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
189    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
190      (#ifdef ALLOW_SALT_PLUME)
191    o gather_2d/scatter_2d: removed halo regions
192    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
193      scheme and the corresponding test case (under front_relax dir). For now,
194      only available with Skew-flux form and not yet tested in realistic set-up.
195      adjoint: store directives updated, but gradient checks deteriorated,
196      so maybe GM/Redi adjoint is now broken.
197    o seaice adjoint
198      * add AREA, HEFF, HSNOW as control variable
199        (should not change lab_sea results)
200      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
201    o pkg/seaice:
202      * added computation of saltFlux in seaice_growth;
203        For time being, sea ice salinity is assumed constant
204        contribution of snow flooding to freshening of sea ice is neglected.
205        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
206        defaults to 0.0 in order to maintain backward compatibility.
207        Typical values for SEAICE_salinity are 4 to 10 g/kg.
208      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
209      * added SEAICE_availHeatFrac, which specifies fraction of surface level
210        heat content used to melt or grow ice
211      * commented out cap of HICE: it helps keep ice thinner
212      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
213      * applied OBCS T/S mask to HEFFM sea ice mask
214    
215    checkpoint59d
216    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
217     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
218     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
219    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
220     and change default value of parameter "GM_Small_Number";
221     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
222       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
223       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
224    o pkg/ecco: cost function when applying pkg/smooth to controls
225    o pkg/ctrl: add forcingPrecond run time parameter
226    o pkg/seaice:
227     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
228     - fix bug in metric terms of u-equation in LSR solver (implicit part),
229       changes verification/lab_sea
230     - rearrange implicit part of u-equation in LSR solver to make it easier to
231       read, understand, and debug. This causes changes at the truncation level.
232     - fix (serious) bug in the boundary conditions (sign error in the implicit
233       part) of the LSR solver. Changes all LSR results.
234     - fixed problem with HSNOW initialization to avoid thick snow when AREA
235       is initilized with small values - does not change lab_sea results.
236     - added HsnowFile initialization capability
237    o pkg/smooth: addition to model/src and pkg/ctrl so allow
238     initialization of pkg/smooth and application to control vector
239    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
240    o dependencies: pkg/profiles requires pkg/cal
241    o pkg/profiles:
242     - added option ALLOW_PROFILES_GENERICGRID
243         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
244         that interpolation information (grid points and coefficients) is provided
245         within the netcdf input files.
246         -> sample matlab scripts can be found in MITgcm_contrib/gael
247         that allow you to prepare netcdf input files.
248     - also modified: cleaner include statements, cleaner error print statements,
249       cleaner stops when error, and more tests of the netcdf input files consistency.
250    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
251    o pkg/seaice:
252     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
253       requires a new routine: seaice_diagnostics_fill.F
254     - make sure that seaice does not move if not forced (pressure replacement
255       method, Hibler and Ip, 1995), changes results
256     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
257     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
258       It is turned off by default (=-1.), because it changes the results.
259     - make it possible to read AREA from a file, too.
260    
261    checkpoint59c
262    o add S/R and diagnostics for oceanic mixed-layer depth
263    o move GMRedi call after all vertical mixing schemes (including KPP)
264    o pkg/thsice:
265     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
266      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
267    o pkg/obcs:
268     - bug fix for balance code
269    o pkg/seaice:
270      - allow values of SEAICE_elasticParm > 1
271      - add new parameter SEAICE_evpTauRelax as an alternative
272        to SEAICE_elasticParm
273      - make lsr boundary conditions free slip (by default), changes result
274      - add code for no slip boundary conditions for lsr
275      - set minimum of zeta to zero (and not 4e8) (changes results)
276      - add a cap on AREA after advecting AREA if seaice_growth is not called
277    o change calculation of Visbeck K:
278      - no longer depend on tapering scheme; instead, compute slope (limited
279        by GM_maxSlope). this is equivalent to what was comuted before with
280        clipping or linear tappering.
281      - fix vertical averaging (wrong by 1/2 level)
282      - leave the old version (but will not be maintained) within
283        #ifdef OLD_VISBECK_CALC / #endif
284      - update output of exp. ideal_2D_oce
285    o change error catch in calc_r_star to improve vectorization
286    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
287      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
288    o adjoint:
289      Re-organized adjoint checkpointing according to Matt Mazloff
290      (but with modifs/completions/cleanups)
291      Storing is now bundled into large arrays to optimized I/O
292      (and second step in cleanup of the_main_loop)
293    
294    checkpoint59b
295    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
296      - export/import (between ocean & coupler) fields needed for ocean DIC.
297    o pkg/seaice:
298      - get rid of three more exchanges seaice_calc_viscosities (required
299        different loop boundaries in seaice_lsr and seaice_ocean_stress)
300      - bug fix in seaice_ocean_stress (update of lab_sea required)
301      - reduce loop boundaries to necessary minimum also in seaice_evp
302      - go back to the old way of computing deltaC/Z as the adjoint likes that
303        better
304    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
305      passive tracer to an Age Tracer) + update output.txt
306    o pkg/exf:
307      - implement A-grid / C-grid selection for wind-stress input files.
308      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
309      for now, in exf_bulk_largeyeager04.F only :
310      - change implementation for case where windspeed + 2. components wind-stress
311        are read-in. AND use rhoConstFresh to convert evap.
312    o pkg/seaice:
313      - use correct EXCH_UV for wind-forcing (on A-grid).
314      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
315        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
316    o pkg/exf:
317      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
318      EXF_INTERPOLATION:
319      - merge global_with_exf/code version of exf_interp_read.F
320        to the main code ;
321      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
322        reading the file ; Important: This options needs to be defined to recover
323        previous code.
324        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
325      - no longer loose real*8 precision along the way when using exf_iprec=64.
326    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
327      - change discretisation of evp-solver in order to avoid another exchange
328        (changes lab_sea) and clean up a little
329      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
330        help the adjoint (this also changes the results slightly)
331      - add a few "_d 0" where they had been missing in seaice_evp.F
332      - cleaning up: remove unused seaice_calc_rhs.F
333    o pkg/exf: some cleaning-up:
334      - change various "constants" into runtime parameters
335      - cleaned-up Large&Yeager04 routine which should eventually
336        replace exf_bulkformulae.F (changed names of S/R and CPP)
337        and merged various ALLOW_ATM_WIND options
338     only used with thsice pkg (in thsice_get_exf.F):
339      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
340        which are used when useStabilityFct_overIce=TRUE (= the default)
341      - change default values of ice & snow emissivity and scale downward LW
342        by ice & snow emissivity.
343    o pkg/thsice:
344     fix few little problems, in thsice_calc_thickn.F:
345      - growth vertically (and not laterally) if iceFrac == iceMaskMax
346      - melt only laterally if hIce < hThinIce (as the comments say)
347      and in thsice_extend.F:
348      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
349      - start to form ice as soon as the minimum ice-volume is reachable.
350     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
351      and cpl_aim+ocn
352    o pkg/kpp
353     - move computation of surface related input fields to KPP into a new
354       subroutine kpp_forcing_surf.F
355     - remove wrong (within bi,bj loops) EXCH calls.
356     - little cleaning (add argument myThid in last position, cvs header ...)
357     - for now, fix conservation problem by exchanging KPPviscAz (may not
358       be the best fix)
359    o pkg/seaice
360     - check for inconsistent evp parameter/cpp-flag combination
361     - remove leftover errIO flat for obsolete name list error handling
362    o OpenAD
363     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
364    
365    checkpoint59a
366    o pkg/seaice: some parameter clarifications and a little bit of clean up
367    o pkg/thsice: rename run-time parameters:
368       himin       -> hIceMin
369       himin0      -> hThinIce
370       hihig       -> hThickIce
371       i0          -> i0swFrac
372       transCoef   -> bMeltCoef
373       frac_energy -> fracMelting
374      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
375       with default values (for now) that do not change the results.
376      remove old version of thsice vars advection in pkg/seaice.
377    o in FFIELDS.h:
378      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
379      - make pLoad & sIceLoad always available (but still only used if
380         ATMOSPHERIC_LOADING is #define).
381    o pkg/kpp: replaced _KPP_RL with _RL
382    o bug fixes for vertical diffusivity computations when both KPP and
383        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
384        are no longer updating the vertical diffusivity array
385        (passed as argument) but are (re-) setting those arrays.
386    o pkg/seaice: fix bug in evp solver, while doing that
387      - change (improve?) discretization of stress computations for both
388        cgrid-lsr and evp solver
389      - add a new routine to compute strain rates
390      - the above changes lab_sea results
391      - add no slip conditions for evp solver (off by default), lsr-version
392        may follow
393      - fix exchange for shear at Z-points (does not change lab_sea)
394      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
395        (to force the user to pick a time step since there is not "safe" way
396        of choosing it)
397      - add principal stress diagnostics
398      - rearrange fields for evp a little to avoid having to call a: too many
399        exchanges and b: exchanges for stress trensor components which we do
400        not have.
401      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
402        of evp, complete rewrite for lsr case (latter is does not yet work
403        in all cases)
404    o pkg/kpp: add code to have mixing in shelf ice caverns
405      - add myThid to all kpp routines (long overdue)
406    
407    checkpoint59
408    o pkg/exf:
409      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
410        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
411      - move exf header files from lower_case.h to UPPER_CASE.h ;
412        add missing cvs Header & Name
413      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
414      - add namelist param. selectStressGridPosition, exf_monFreq
415      - retire many _CLIM routines, and remove data.exf_clim
416        + params moved to data.exf
417        + climsst, climsss now handled by exf_set_gen, i.e.
418          climss?period=0 refers to constant field,
419          climss?period=-12 to monthly forcing
420      - split up namelists in data.exf
421    o pkg/seaice:
422      - remove seaice_exch and seaice_exch_uv
423      - remove superfluous exchange of theta
424      - add myThid to seaice_budget_ocean/ice
425      - add new interface for atmospheric wind forcing (C-grid only)
426        + new routine
427        + two new field (taux, tauy for stress over ice)
428        + removed one global field (DAIRN) for C-grid case only
429    o pkg/thsise
430      - 2nd set of modifs for thsice adjoint in conjunction with exf
431    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
432    
433    checkpoint58y_post
434    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
435      vertical diffusivity, similar to that in MOM4; turned on using
436      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
437      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
438    o Added capability for 3D specification of background vertical diffusion
439      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
440      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
441      "data" file that contains the 3D vertical diffusivity coefficients.
442    o ice dynamics (pkg/seaice) with thsice thermodynamics:
443      - add code within pkg thsice to advect & diffuse sea-ice fields
444      similar to (and will replace) what has been added in  seaice_advdiff.F,
445      but: - conserving Mass, Heat & Salt.
446           - better when using non-linear advection scheme (not yet fully tested)
447           - can also be used in atmospheric set-up (for now, only the diffusion).
448    
449    checkpoint58x_post
450    o IO option for global-file compact format:
451      - add options when generating topology (utils/exch2/matlab-topology-generator)
452      - add I/O capability (pkg/mdsio).
453      - adapt utils/matlab/rdmds.m to read this format.
454      for now long-line format not yet supported by pkg/mdsio (& exch2).
455    o shelfice: add a few diagnostics
456    
457    checkpoint58w_post
458    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
459      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
460      (and replace horiVertRatio in NH code).
461      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
462                         and tutorial_plume_on_slope (sensitive to truncation)
463    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
464      directly to drive seaice model (C-grid only)
465    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
466     - reintroduce computation of wind from stress,
467     - compute tau (in exf_bulkformulae.F) from windstress averaged to
468       mass points to avoid tau = 0
469     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
470    o rdmnc.m: make it work with "global" files created with gluemnc
471    o rdmnc.m : some improvements in dealing with singleton dimension
472      (tested on all testreport mnc output files).
473    o genmake2: disable pkg/profiles if netcdf test fails.
474    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
475    o move call to cal_readparms up to make calendar parameters/variable available
476      to all packages
477    
478    checkpoint58v_post
479    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
480      useDynP_inEos_Zc tested.
481    o pkg/exf: changes to properly interpolate/mask/scale initial fields
482    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
483      and portions thereof.  See read_cs.txt for description and examples.
484    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
485      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
486      following the great-circle arc between those 2 points.
487    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
488      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
489    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
490     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
491     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
492     - still needs work (not working with some options ; efficiency to improve)
493       and serious testing.
494     - use this scheme for temperature & salinity in 2 advection test exp.:
495       advect_xy & advect_xz, respectively.
496    
497    checkpoint58u_post
498    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
499    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
500    o testreport: add option "-skipdir" to skip some test.
501    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
502      momentum calculation.
503    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
504    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
505      remove checkpoint.F and the_correction_step.F (no longer used);
506      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
507    o add option (linFSConserveTr) to correct for tracer source/sink due to
508      Linear Free surface
509    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
510    o pkg/thsice: fix reading mnc-pickups
511    
512    checkpoint58t_post
513    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
514    o pkg/mdsio:
515     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
516       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
517       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
518     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
519     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
520       either MDS_READ_FIELD or MDS_WRITE_FIELD )
521     - new S/R (to replace MDSWRITEMETA), which allows to write more
522       informations (variable names, time ...) to meta files.
523     - modify rdmds.m to give back the meta file content.
524    o pkg/diagnostics: change vertical interpolation to be safer, and more
525       flexible (define p-levels to interpolate to in data.diagnostics);
526      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
527       diagnostic pointer.
528    o pkg/seaice: more cleaning up of seaice_growth, added many comments
529    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
530    o fix multi-category seaice:
531     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
532       SEAICE_MULTICATEGORY
533     - fix short wave heat flux
534    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
535       and allow to use EVP solver. Change forward lab_sea: test both EVP
536       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
537    o Initial check-in of lab_sea adjoint
538      (very similar to natl_box_adjoint/code_seaice)
539      * used C-grid and EVP solver
540      * used KPP, GM/Redi
541      * uses inAdExact=.TRUE.
542      * gradient checks fail for both ADM and TLM
543        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
544        f.d. gradients actually seem more problematic than ADM, TLM gradients;
545        issue is related to forward mismatch between g77 an ifort
546    o pkg/seaice: overhaul of thermodynamics
547     - growth.F and groatb.F are replaced by new routine seaice_growth.F
548     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
549     - move a few global fields out of SEAICE.h into seaice_growth.F and
550       make them 2D (FICE/QNETO/ ...)
551     - remove FO (it is the same as QNETO)
552     - introduce a few local fields to avoid modifying external fields such
553       as atemp, etc.
554    
555    checkpoint58s_post
556    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
557      changed exf_set_gen.F so that
558        genperiod=0 means input file is one time-constant field and
559        genperiod=-12 means input file contains 12 monthly means
560    o CG2D: use pre-computed solver main-diagonal (stored in common block);
561      this affects truncation error ; generate new output file for exp. which
562      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
563        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
564        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
565        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
566        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
567        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
568    o start implementation of deep-atmosphere and anelastic formulation
569    o verification: remove 2nd copy of input files and use script "prepare_run"
570      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
571    o mom_common/vecinv/fluxform: fix a few initialisation isssues
572    o profiles: fix for multithreaded case
573    
574    o diagnostics: rename few diags:
575      s/'PRESSURE'/'RCENTER '/g
576      s/'TICE    '/'oceFreez'/g
577      s/'TAUX    '/'oceTAUX '/g
578      s/'TAUY    '/'oceTAUY '/g
579      s/'SWFLUX  '/'oceQsw  '/g
580      s/DIFx/DFxE/g
581      s/DIFy/DFyE/g
582      and add few ocean-forcing diagnostics:
583      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
584    o modifications to pkg/seaice/growth.F and budget.F, which change results of
585      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
586      as actual snow thickness.  It now refers everywhere to effective snow
587      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
588    
589    checkpoint58r_post
590    o modifications to pkg/seaice/growth.F, which change results of
591      lab_sea experiment: fixes pertain to melting snow over open water, to
592      masking EVAP under sea ice, and to using the correct AREA variable for
593      computations of EVAP, PRECIP, HSNOW, and GHEFF
594    o add ability to read bathy, salt, and theta using MNC (off by def)
595    o add flooding algorithm and advection of HSNOW for pkg/seaice;
596      both are turned off by default and do no change any results
597    o seaice advection with pkg/thsice: a step toward the use of non-linear
598      advection scheme, but #ifdef or commented out for now (requires more EXCH).
599    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
600      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
601      in natl_box (affects results @ truncation level: update output.txt)
602    o multi-threading and IO:
603      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
604      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
605        (needed to work with SingleCpuIO): tested in all verif. exp.
606    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
607      affects the results (but none of the verification test uses this scheme).
608    o Adding some pkg/diagnostics capability to pkg/seaice
609      (will certainly be subject to changes)
610    o ctrl: adding new control variables:
611      lwflux, lwdown, evap, snowprecip, apressure, runoff
612    
613    checkpoint58q_post
614    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
615      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
616      high_res_cube configuration by 4% on Columbia.
617    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
618      add (in global_with_exf/code) a version of EXF_INTERP_READ without
619      dynamical allocation (seems to work in multi-threaded).
620    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
621      single CPU io) so that TAF does not have to see EESUPPORT.h
622    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
623    
624    checkpoint58p_post
625    o obcs: stop if obcs is used with useCDscheme = .true.
626    o shelfice:
627     - fix a sign error so that no slip at shelfice interface works
628     - remove stop for combination non-hydrostatic code and shelfice. That does
629       not mean, that the results are correct, but at least they are numerically
630       stable
631    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
632    o added adjoint exch routined for all exch*3d* routines
633      and updated flow directives
634    
635    checkpoint58o_post
636    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
637      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
638    o change controling S/R for writing pickup file (new S/R do_write_pickup)
639      and clean-up reading/writing of pickup files.
640    o fix local version of read/write pickup (NH part) in rotating_tank/code
641    o simplify EXCH interface:
642     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
643     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
644    o added the regrid package
645    o shelfice:
646     - add a simple boundary layer scheme to reduce noise
647     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
648    
649    checkpoint58n_post
650    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
651       local variable (not in common block).
652    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
653      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
654      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
655        to work with SingleCpuIO.
656    o add "_d 0" to real constant of pkg/cfc subroutines ;
657       update exp. cfc_exemple & tutorial_cfc_offline output files.
658    o multi-threading and IO:
659      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
660        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
661      - barrier before and after reading.
662      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
663      - avoid using MDS_WRITELOCAL for LAND pkg output.
664      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
665        common-block variables ; Allows multi-threading with master-thread IO.
666    o change default MAX_NO_THREADS from 32 to 4 ;
667      and stop cleanly when MAX_NO_THREADS is too small.
668    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
669    
670    checkpoint58m_post
671    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
672       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
673    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
674       keep global_ocean.90x40x15 (for AD testing) with former secondary test
675       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
676    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
677        add MITgcm_tutorials (= code + all the tutorials)
678    o ecco, option to compute cost for total ssh (mean+anom)
679    o consistent with addition of ptracer and ssh in pkg/profiles
680    o profiles: adding ptracer and ssh
681    o testreport: change multi-test output-file name
682      (from output.txt.{name} to output.{name}.txt)
683    o profiles: now ok for mutli-tiles case
684    o seaice: add 4 parameters for different advection schemes for area,
685      (effective) seaice thickness, enthalphy, and snow height. Their default
686      is the standard parameter SEAICEadvScheme
687    o calc_gw:
688     - add cosFacU in zonal viscous flux (harmonic.visc.).
689     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
690       of tutorial_plume_on_slope.
691    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
692    o calc_gw: true flux-form, account for horizontal grid spacing.
693      update rotating_tank results, but not plume_on_slope (affected at
694      truncation level, 11 digits).
695    
696    checkpoint58l_post
697    o calc_gw:
698     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
699     - remove side-drag for now (need to fix it); update plume_on_slope results.
700     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
701    o commit code to make SST/SSS weights spatially variable
702      (based on either variable in-situ or variable initial T/S weights)
703    o pkg/ecco:
704      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
705        now based on horizontally varying weights wthetaLev, wsaltLev
706      * cost_averagesflags now returns year indices in addition to day, month
707      * sflux balance is performed on annual basis
708        (sflxumm, sfluxmm2, bal_sfluxmm)
709      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
710        including separate counting and multipliers
711    o pkg/rbcs
712      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
713    
714    checkpoint58k_post
715    o testreport:
716     - always build in dir. "build" (if not there, mkdir build instead of building
717       & running in input)
718     - run in dir run (if it exists), in build otherwise.
719     - call prepare_run (if input/prepare_run exists)
720     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
721    o pkg/exf modifications to interpolation and rotation routines for more
722       reasonable treatment of North Pole singularity: for tracers North Pole
723       value is set to northernmost zonal-mean value, for zonal velocity it is
724       set to zero, and for meridional velocity it is set to northernmost value.
725    o pkg/exf/exf_check_range.F
726     - add tile index to diagnostics and move stop statement to the very
727       end of the routine.
728    o pkg/diagnostics: (diagnostics_main_init.F)
729      define title of isomorphic variables according to the current config.
730    o pkg/thsice with pkg/seaice dynamics:
731    - fix domain of computation (interior only, required for exf) and do exchanges
732    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
733    o towards a standard way of dealing with multi-threading in MONITOR
734      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
735    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
736       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
737    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
738    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
739    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
740       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
741    o tracer advection:
742     - clean-up and simplify calc_common_factors.F
743     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
744       advection subroutine (but still not used within DST advection S/R)
745    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
746    
747    checkpoint58j_post
748    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
749      from file (collects calls previously in FORWARD_STEP)
750    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
751    o adjoint store dir. adjusted accordingly
752    o genmake2
753      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
754    
755    checkpoint58i_post
756    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
757      on wind stress (SEAICEstressFactor defaults to 1.)
758    o Total number of Timers is finite (<=40): comment out 2 non-essential one
759      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
760    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
761      on CS-grid: no longer loosing mass.
762    o exf & curvilinear-grid: no longer modify longitude xC & xG.
763    o pkg/ggl90: fix sloppy output and fix a bug
764    o pkg/seaice: added SEAICEuseEVPpickup parameter
765      - Set to false in order to start EVP solver with
766        non-EVP pickup files when using SEAICEuseEVP
767      - fix sign error in diffusion in seaice_calc_rhs
768    
769    checkpoint58h_post
770    * Modifications for bottom topography control
771      o replace hFacC by _hFacC at various places
772      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
773      o add non-self-adjoint cg2d_nsa
774      o update autodiff support routines
775      o re-initialise hfac after ctrl_depth_ini
776      o works for 5x5 box, doesnt work for global_ocean.90x40x15
777    * Adding verification for 5x5 box (4-layer) bottom topography control
778    
779    checkpoint58g_post
780    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
781       used for mean seasonal cycle, mean diurnal cycle); add an example
782       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
783    o pkg/ggl90:
784      - add parameter (minimum surface kinetic energy)
785      - fix bug (avoiding division by zero)
786    o couple pkg/thsice to pkg/seaice:
787      - modify advection in seaice to accomodate new scalar fields to be advected
788      - only muliDimAdection scheme work with seaice/thsice
789      - mapping of thsice-variables to seaice-variables, back and forth
790      - does not break the verification experiments, but does not give the
791        desired results either
792    o pkg/seaice
793      - make (default) second order advection a bit less confusing?
794    
795    checkpoint58f_post
796    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
797      to pkg/seaice):
798      - new routines thsice_map_exf and thsice_get_exf provide the interface
799      - add an additional formal parameter to thsice_solve4temp
800    o pkg/exf:
801      - add new fields wspeed, snowprecip (to be able to couple to thsice)
802      - correct Stefan-Boltzmann constant
803      - new parameter for longwave surface emittance
804      - separate some stuff from exf_bulkformulae into new routines  
805        exf_radiation, exf_wind
806      - add new parameters and constants: longwave emissivity for ocean, ice
807        and snow, evaporation parameters over ice
808      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
809        either wind from stress or stress from wind
810    o pkg/thSIce:
811    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
812    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
813       and THSICE_CALC_THICKN
814    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
815    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
816      to make debugging easier.
817    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
818    o pkg/bulk_force:
819      - clean-up comments and parameters ;
820      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
821    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
822      generate new output for test-experiment: aim.5l_cs.thSI
823    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
824      testreport accordingly
825    
826    checkpoint58e_post
827    o SEAICE_CGRID adjoint done
828    o R_STAR adjoint implemented.
829      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
830      * need to sort out init. of h0facc, etc.
831    o Make pkg/profile fully independent of ecco,cost, etc. stuff
832      to be able to use it in pure forward.
833    
834    checkpoint58d_post
835    o upgrade simple test-experiment to tutorial example:
836     step.1: duplicate the experiment and (step.2) will remove the old copy.
837      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
838      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
839      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
840      tutorial_global_oce_biogeo    <- copy of dic_example
841      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
842      tutorial_plume_on_slope       <- copy of plume_on_slope
843      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
844      tutorial_global_oce_optim     <- empty for now (David ?)
845      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
846     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
847    o correct a sign problem in cost_scat.F
848    o obcs and ptracers: fix boundary conditions for advections schemes
849      with larger stencil
850    o thsice adjoint: start
851    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
852      completeness
853    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
854      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
855    o ptracers adjoint:
856      * avoid extensive recomputatations
857      * fix missing re-init. of gptr (missed by TAF)
858    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
859      me to turn off the excessive output to STDOUT that this package produces
860    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
861      and add those terms in Vector-Invariant formulation.
862    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
863      if the control period (xx_hfluxperiod etc) is 0
864    o in profiles pkg, clean routines and fix details
865    o in ecco pkg, reading ssh data:
866      fix problem in case the model does not start at iter0=0
867    o fix mnc-pickup/restart for ptracers
868    o new package prifiles:
869      code to compute profile-based cost by Gael Forget
870      (modifs in ecco, ctrl, autodiff)
871    o Benign bug fix in initialization (spotted by M. Mazloff) of
872      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
873    
874    checkpoint58c_post
875    o adjoint: finish NLFS adjoint and provide reference output in
876      verification/global_ocean.90x40x15/results_ad_nlfs
877    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
878      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
879      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
880      with SEAICE_CGRID defined.
881    o move calendarDumps from "data" to "data.cal" and clean-up the code
882      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
883    o add useEXF & useCAL flags (for now, set in hard-coded way)
884    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
885      (were missing in NH mode, and wrong in quasihydrostatic mode).
886      waiting for Chris updated version of calc_gw to add those CALLs.
887    o fix bug in quasihydrostatic S/R ;
888      add a test for this option: global_ocean.90x40x15.qshyd
889    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
890      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
891    o add on/off flag useOffLine for package OFFLINE
892    o seaice:
893      - modify advection so that it works also on the C-grid
894      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
895        problem in multi-tile runs with C-grid
896      - add flags for clipping ice velocities and/or masking solver forcing
897      - fix drag (ocean on ice) formulation and a bug that caused noise in the
898        C-grid solver
899      - added a few comments to seaice_diffusion.F
900      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
901        are now exclusive)
902      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
903        required re-ordering the code a little:
904       + make DAIRN global variable (defined in SEAICE)
905       + move computation of the viscosities eta and zeta into a new separate
906         routine (because I need to recompute them in seaice_ocean_stress.F)
907    
908    checkpoint58b_post
909    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
910      update output.txt of exp. aim.5l_cs.thSI
911    o various mnc cleanups and improvements:
912      + shrink lookup tables by factor of ~4
913      + better error reporting when running out of lookup space
914      + able to handle longer path/file names (up to 500 chars)
915    o adjoint:
916      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
917      - TBD: "hidden" mom_vecinv recomp. in dynamics
918    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
919     (allow to differentiate between forcing components using new integer flags:
920      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
921     and add new flag to put Dissipation tendency out of Adams-Bashforth.
922    o ecco
923      - enable trend removal from SSH anomaly obs.
924    o adjoint
925      - a fix for PmEpR when #undef EXACT_CONSERV
926      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
927      - try to fix "hidden" recomp. in forward_step for NLFS
928        (NLFS seems broken sometimes after I checked it in)
929    o seaice:
930     - add c-grid version of the dynamic solver:
931       + three new routines that are the c-grid substitute lsr, dynsolver
932         and ostres
933       + put a few fields that were local to dynsolver into global common
934         blocks, so that I can move the computation of stresses etc into
935         seaice_lsr (saves coding but may break the adjoint).
936     - replace more hardwired parameters by runtime parameters
937     - add ice masks that mask the rhs of the implicit solvers where there
938       is no ice (commented out in seaice_dynsolver, because i am not sure
939       if this works properly), eventually this should replace the clipping
940       of ice velocities in seaice_dynsolver to +/-40cm/s.
941    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
942      include it only where its needed
943    o move balancing of fluxes before the call of external_forcing_surf
944    o seaice:
945      - correct units of turning angles (now they are really in degrees)
946      - move computation of GWATX/Y out of main routine into dynsolver
947      - initialize GWATX/Y in seaice_init
948    o Apply mask on Fresh-Water flux (needed for SSH forcing).
949      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
950    o seaice: add runtime flags for turning angles (default to zero)
951    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
952      and trend from exf forcing and ctrl control adjustments
953    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
954      (since checkpoint57x_post)
955    o change the default rotation period to 86164.s = the Earth rotation
956    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
957      and based on a reference stratification. Tested within hs94.cs-32x32x5.
958    o seaice advection: add code for choosing between the default (2nd order
959      central differences) and multiDim advection schemes provided by
960      pkg/generic_advdiff
961    o seaice:
962      - removed all references to SEAICE_GRID.h fields from
963        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
964        (cubed-sphere configuration will change a little)
965      - grid computations in seaice_init are obsolete now.
966      - cleaned up code a little so that is easier to read (hopefully).
967      - added new (better?) discretizations of default advection and diffusion
968        (turn on with SEAICEuseFluxForm)
969      - replace 1 in 3d global fields by kSurface in growth.F
970      
971    checkpoint58a_post
972    o seaice:
973      - bug fix in advect.F
974    o shelfice:
975      - separate shelfice load anomaly from pload (breaks with time
976        dependent forcing), => introduce constant field shelficeLoadAnomaly.
977        Its default is 0., but it may be computed more cleverly from (unknown)
978        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
979        done offline. A good approximation of the pressure load anomaly is
980        necessary to avoid large initial adjustment processes underneath
981        deep-reaching shelfice.
982      - small fix in ISOMIP shelfice_thermodynamics
983      - add more sophisticated thermodynamics of Hellmer (1989), this is
984        now the default
985      - give a few constants more intuitive names
986    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
987      if bulk formulae are used in long integration (especially EmPmR). Turn
988      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
989      if balancePrintMean, the imbalance that is substracted is printed to
990      STDOUT.
991    o fix bug (typo) in obcs_apply_eta.F
992    o add a new package shelfice which enables us to model the circulation
993      underneath shelf-ice with draughts of hundreds of meters.
994     - works
995     - to do: + include improved thermodynamics
996              + check whether kSurfC (from model/inc/SURFACE.h) can be used
997                instead of new field kTopC
998              + can we use topoFile, Ro_surf and existing code in ini_depth.F
999                instead of new field R_shelfIce and new code in ini_depth.F
1000                and ini_mask_etc.F?
1001              + adjust vertical mixing schemes?
1002    o seaice pkg:
1003     - add a cpp-flag to include a simple formula for a salinity dependent
1004       freezing point of sea water at the surface
1005     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
1006       meridional stresses are now different (and hopefully correct)
1007    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
1008       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
1009       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
1010    o pkg/diagnostics: add options and parameters for regional-statistics
1011       diagnostics ; define regions by reading a region-mask from a file
1012       (might add other options later)
1013    o pkg/bulk_force:
1014     - add option and parameters to use AIM surface-flux formulae.
1015     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
1016       others forcing fields (defined in PARM05, parameter file "data") are loaded
1017       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
1018     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
1019     - use the right EXCH call for uwind,vwind (to work on CS-grid).
1020     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
1021       and parameters (note: calcWindStress replaces .NOT.readwindstress).
1022     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
1023    
1024    checkpoint58
1025    o add "--embed-source" option to genmake2 which, when the supporting
1026      tools can be compiled (as determined by genmake2) will turn on the
1027      embed_files package which then embeds the entire MITgcm source code
1028      (*.[fFhc] + Makefile) used for the build within the executable
1029      - requested by CNH but off by default
1030      - adds a paltry <9MB to the mitgcmuv executable in most cases
1031      - only writes the output when useEMBEDSRC in eedata is true
1032    o clean up 3-dim. relaxation codes:
1033      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
1034      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
1035      * Thanks to Tom Haine for testing!
1036    
1037    checkpoint57z_post
1038    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
1039      affects output (@ truncation level) of exp. plume_on_slope ; updated.
1040    o fix the pickup behavior for obcs in combination with ptracers
1041    o fix a bug in ptracers_external_fields_load
1042    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
1043      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
1044    o transfered surface NH pressure to eta field (if exactConserv).
1045    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
1046         and update lab_sea output.txt file.
1047    o completing 3-dim. relaxation code: additional term
1048         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
1049      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
1050      * At compile time, in "EXF_OPTIONS.h" set
1051          #define  ALLOW_CLIMTEMP_RELAXATION
1052          #define  ALLOW_CLIMSALT_RELAXATION
1053      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
1054          tauThetaClimRelax3Dim = 15552000.0,
1055          tauSaltClimRelax3Dim  = 15552000.0,
1056      * 3 cases:
1057          1) Use a constant-in-time 3-dim. field
1058          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
1059          3) Real-time relax. to time-evolving prescribed field
1060    o Adding Laplacian-type smoothness constraint on
1061      initial and boundary (forcing) controls (ic, bc)
1062      * enable at compile-time via
1063        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
1064      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
1065      * Absolute scale somewhat unclear so far
1066      * no area weighting was included since no other cost term does so far
1067    
1068    checkpoint57y_post
1069    First step for a NLFS adjoint
1070    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
1071    o new init. routines for calc_r_star, calc_surf_dr
1072    o still need to deal with ini_masks_etc
1073    o testreport seemed happy
1074    checkpoint57y_pre
1075    
1076    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
1077    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
1078    o add new offset feature to offline pkg (plus minor cleanup)
1079    o cfc fixes for final year of integration
1080    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
1081      be in GCHEM_OPTIONS).
1082    
1083    checkpoint57x_post
1084    o fix testreport Pb in multiple test experiment.
1085    o cleanup our namelist syntax in verification:
1086      - make it more F95 standards compliant (some work still needed)
1087      - allows the vast majority of our tests to work with gfortran
1088    o Non-Hydrostatic:
1089     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
1090     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
1091    o Allow to apply AB on T,S rather than on AB(gT,gS):
1092     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
1093     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
1094       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
1095     - need a "clever" read_pickup to restart from the other AB formulation
1096    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
1097    o remove some unused variables (reduces number of compiler warnings)
1098    o adjoint
1099      * Disable useVariableViscosity for adjoint for time being
1100        (there are a number of extensive recomputations)
1101      * Initialize certain variables needed for adjoint
1102    
1103    checkpoint57w_post
1104    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
1105                 fix the singleCpuIO RS version of MDSWRITEFIELD
1106       and add a WARNING if using globalFiles=T with multi-processors.
1107    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
1108      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
1109    o tracer advection scheme:
1110      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
1111       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
1112       was not very convenient).
1113      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
1114       (further tests needed for the implicit DST & Flux-Limiter schemes).
1115    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
1116      and sRef for convenience, handy, when you want to initialize
1117      ptracers in a large domain with a constant non-zero value. Also,
1118      untangle ptracers_init.F a little.
1119    
1120    checkpoint57v_post
1121    o change dome exp. to use variable viscosity in side-drag terms.
1122    o remove all the files from the cfc_offline test since they are now
1123      incorporated into tutorial_cfc_offline which has been producing
1124      identical results for a few days of testing
1125    o add new parameter: sideDragFactor to enable half-slip-side BC
1126      and change side-drag S/R to use viscosity from mom_calc_visc
1127      (can switch back by setting sideDragFactor=0.); affects results at
1128      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
1129       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
1130    o vorticity & strain are now computed without masking, to account for
1131      no-slip-side BC in variable viscosity calculation ; mask is applied
1132      anyway later on, before computing advection/coriolis terms.
1133    o modify exp4 to test new obcs support for reading from external files
1134      and for passive tracers
1135    o fix behavior of ptracers_monitor when monitor output is written to a
1136      netcdf-file; still not independent of monitor.F (writes in the same
1137      file).
1138    o change default value of tRef (put a uniform, meaningful value for ocean
1139      & atmos) and initialize sRef (was missing, as Martin mentioned).
1140    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
1141      to be proportional to enstrophy dissipation length.  Thus,
1142       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
1143      This is now consistent with Smagorinsky and with the manual.
1144    
1145    checkpoint57u_post
1146    o OBCS and PTRACERS: add open boundary support for passive tracers
1147      - either use homogenous (pseudo) v.Neumann conditions or prescribe
1148        OB-values from file; this is not different from the way theta and salinity
1149        are treated
1150      - however, Orlanski-radiation conditions are not supported, and the model
1151        will stop if you use pTracers and Orlanski at the same time.
1152      - beefed up the rountine obcs_external_fields_load: now only those open
1153        boundary values are overwritten with values from files for which there
1154        are really files, otherwise the OB-fields remain untouched. This makes
1155        it possible to use different OBs at different ends of the domain (as
1156        with EXF)
1157    o reduce number of exch calls in shap_filt (s2).
1158    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
1159      truncation level) 4/5 MLAdjust test results (11&12 digits match).
1160    
1161    checkpoint57t_post
1162    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
1163    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
1164      same truncation, independent of the face number: affects affects several
1165      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
1166    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
1167      note that biharmonic viscosity + no-slip was not tested in any experiment.
1168    o fix bug in non-linear free-surf side-drag ; generate new output for
1169      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
1170    o make mnc honor the writeBinaryPrec flag for most kinds of output
1171    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
1172    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
1173      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
1174    o add brackets in multi-terms sum to get same truncation, independent of
1175      the face number (manage to get exactly same value of gU,gV at the cs-edge)
1176      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
1177    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
1178      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
1179      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1180      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1181      Suggested values of viscosity parameters found in mom_calc_visc.
1182      Many new viscosity diagnostics available.
1183    
1184    checkpoint57s_post
1185    o Add clearing-house for viscosity calculations, mom_calc_visc and
1186      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1187      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1188      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1189      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1190      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1191      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1192      ViscAhStrain and viscAhTension are now retired.
1193    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1194    o In response to JMC's bug report, genmake2 now ignores any soft-links
1195      that it finds in the *current* directory when searching for files.
1196      Soft-links found in any other source directories will still work as
1197      they did before.
1198    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1199      a C routine to unlimit the stack size
1200    o mnc-ify pkg/aim snapshot vars
1201    o mnc-ify pkg/land as requested by Daniel
1202    o various changes to mnc including:
1203      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1204      - output can now be grouped so that all files within a group
1205          change the ITER portion of their names in lock-step together
1206      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1207          and works with both EXCH1 and EXCH2 (but needs more testing)
1208      - writing works for all verification test cases w/ g77 on Linux
1209    
1210    checkpoint57r_post
1211    o make MNC variable initialization happen earlier
1212    o add diagnostics for (almost) each term of the momentum Eq.
1213    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1214    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1215    o remove MINIMAL_TAVE_OUTPUT option ;
1216      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1217    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1218      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1219    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1220    o add time-dependent SST, SSS control
1221    o cost terms in ecco/ modularized (new cost_generic.F)
1222    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1223    o new infrastructure for seaice model vs. obs misfits in seaice/
1224      * driver from the_main_loop.F is seaice_cost_driver.F
1225      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1226      * gradient check in Exp. 6a of natl_box_adjoint/
1227    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1228      (see README file)
1229    
1230    checkpoint57q_post
1231    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1232    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1233      - bug was reported by Jean-Michel and Ian Fenty
1234    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1235      update exp. cpl_aim+ocn output.
1236    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1237      Needed for high-res. runs with large global files
1238      to be able to limit tapelev size
1239    o Changed some tests for adjoint:
1240      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1241      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1242      * global_ocean.90x40x15/ back to default 3-level checkpointing
1243    o Modifications to enable scripted COMMON to MODULE conversion
1244      * verification/OpenAD/code/ has necessary scripts and description;
1245      * converts, compiles and runs successfully;
1246    
1247    checkpoint57p_post
1248    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1249    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1250      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1251    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1252    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1253      (was already the case for dissipation with mom_vecinv,
1254       and also the case for grad.PhiHyd when staggered-timeStep)
1255      This will allow to put dissipation out-off the AB time-stepping.
1256     Unfortunately, affects truncation error. Update output of exp. that "fails"
1257      (cg2d matching number) and leave the others for later: front_relax(10),
1258      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1259      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1260    
1261    checkpoint57o_post
1262    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1263      (2) its ready to be documented during the 20050801 DocFest
1264    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1265      for ideal_2D_oce and lab_sea on linux_ia32_g77
1266    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1267      in global1x1_tot/code_seaice_adj to access indices 32, 33
1268      (worth another tag)
1269    
1270    checkpoint57n_post
1271    o adding precip control xx_precip 32
1272    o adding swflux control xx_swflux 33
1273    o Replacing 10 forcing penalty cost routines by 1 generic.
1274    o Implementing partitioning in time-mean and variable adjustment
1275      for atmos. state.
1276    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1277  o in natl_box_adjoint:  o in natl_box_adjoint:
1278    * updated: results_bulk/    * updated exp 1 to 10
1279    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
1280    o updated global1x1/*_seaice_adj/
1281      to incorporate latest changes
1282    o enable useSingleCpuIO for mdsio vector routines
1283      (applies in particular to tapelev I/O)
1284    o removed inefficient K-loop in all active_file*control*.F
1285    
1286  checkpoint57m_post  checkpoint57m_post
1287  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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