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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.893 by jmc, Fri Oct 19 19:10:24 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 prepare for "clever pickup" implementation: add new header file "RESTART.h"
8  o moved ptracer ctrl index 17 -> 32    for internal parameters related to restart process (formerly from PARAMS.h)
9      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
10    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
11      as argument. (only atm2d & obcs write_pickup have not yet been updated)
12    o pkg/monitor:
13      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
14      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
15      - account for deep Atmosphere factor and density factor (anelastic)
16    o added open boundary conditions capability for seaice HEFF and AREA
17    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
18      thermodynamics
19      - requires a little reorganization, which affects the testreport results
20        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
21        so that now the conservative form is tested
22      - add a few comments
23    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
24    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
25    o add new diagnostics to seaice: advective, diffusive fluxes (only for
26      multidim-advection, for scheme 2 they are not filled) and transports,
27      thermodynamic growth rates
28    o change units of EmPmR (inside the code) from m/s to kg/m2/s (mass flux) but
29      leave input file unchanged. Affects results @ truncation level (cg2d match)
30      and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),
31      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
32      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
33      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
34    
35    checkpoint59h
36    o pkg/exf:
37      - improve vectorization by moving if-statement out of loops in
38        exf_mapfields, exf_radiation
39      - exf_bulkformulae.F: introduce 2D fields and vectorize code
40    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
41    o testreport:
42      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
43        monitor & update offline_exf_seaice exp. output.
44      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
45    o pkg/seaice:
46      - bug fix in the evp solver: boundary conditions were affected be
47        masking of zMax/zMin (changes results)
48      - minor bug fix in boundary conditions in seaice_calc_strainrates
49        (changes results for no_slip)
50      - seaice_lsr.F: make interpolation of eta dependent on boundaries
51      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
52      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
53        stress formulation and no-slip boundary conditions
54    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
55      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
56    o pkg/seaice: a first HSALT time stepping equation has been checked in
57    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
58      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
59      without requiring DO-IF statements
60    o pkg/thsice:
61      use continuous power-law function for partition of energy between lateral
62      melting/freezing and thinning/thickening ; old code using step function
63      still available with #undef THSICE_FRACEN_POWERLAW
64      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
65    o testreport: change AD testing : check against results/output_adm.txt
66      using same scripts as for forward test.
67    
68    checkpoint59g
69    o adjoint testing: in preparation for changing testreport:
70      - output format: cost and grad written on separated lines
71      - ad output results in directory "results" (instead of "results_ad")
72    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
73    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
74    o pkg/ecco: allow user defined cost function contributions
75    o testreport:
76      Allow to choose (per experiment) the list of tested output variables
77       and the main variable (used to issue a pass/FAIL ) ;
78      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
79      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
80      Also modify printing of summary:
81       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
82       b) echo the list of tested variables in the individual summary.txt of
83          each experiment.
84    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
85      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
86      (but still depend on the tile decompostion of the domain).
87    o pkg/seaice: change a discretization detail to make the B-grid code
88      "more symmetric". This change is likely to remove all "ridges/leads" that
89      where quasi-aligned with the grid in B-grid solutions. It may also be
90      the solution to the stress coupling issues with the B-grid.
91    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
92      remove .cvsignore from input dir. (since testreport no longer run here).
93    o pkg/thsice:
94     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
95     - fix reshaping of sea-ice just after advection:
96       melt all the ice only if ice-volume is too small.
97     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
98       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
99     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
100    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
101      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
102    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
103      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
104      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
105      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
106      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
107      -> update output.txt
108    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
109     this affects truncation error: -> update output.txt of exp:
110      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
111      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
112    
113    checkpoint59f
114    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
115    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
116      a bounded range (in forward mode)
117    o pkg/ecco, ctrl, autodiff and mom_common:
118     internal parameter controls, completements of implementations
119    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
120    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
121      (not seem any difference in testing results).
122    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
123       at face corners.
124    o pkg/generic_advdiff:
125     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
126      loop range indices for computing vertical advection tendency
127      and do the calculation in the interior only (no overlap) ;
128      for now, only implemented for SOM advection (to save CPU time).
129     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
130    o exch2 adjoint
131      First set of changes:
132      - add exch2 hand-written adjoint templates
133      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
134        This will require cleanup in pkg/autodiff/*.F
135        (changed routines currently kept separate in verif. code/)
136      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
137        that used to hide exch2 or cubed-sphere specific code
138        (commented via 'cph-exch2')
139    o pkg/seaice
140      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
141    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
142       output of global_ocean.cs32x15.thsice .
143    
144    checkpoint59e
145    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
146      for B-grid vector (not yet tested) and C-grid vector (<- only used
147      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
148    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
149      (#ifdef ALLOW_SALT_PLUME)
150    o gather_2d/scatter_2d: removed halo regions
151    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
152      scheme and the corresponding test case (under front_relax dir). For now,
153      only available with Skew-flux form and not yet tested in realistic set-up.
154      adjoint: store directives updated, but gradient checks deteriorated,
155      so maybe GM/Redi adjoint is now broken.
156    o seaice adjoint
157      * add AREA, HEFF, HSNOW as control variable
158        (should not change lab_sea results)
159      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
160    o pkg/seaice:
161      * added computation of saltFlux in seaice_growth;
162        For time being, sea ice salinity is assumed constant
163        contribution of snow flooding to freshening of sea ice is neglected.
164        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
165        defaults to 0.0 in order to maintain backward compatibility.
166        Typical values for SEAICE_salinity are 4 to 10 g/kg.
167      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
168      * added SEAICE_availHeatFrac, which specifies fraction of surface level
169        heat content used to melt or grow ice
170      * commented out cap of HICE: it helps keep ice thinner
171      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
172      * applied OBCS T/S mask to HEFFM sea ice mask
173    
174    checkpoint59d
175    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
176     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
177     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
178    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
179     and change default value of parameter "GM_Small_Number";
180     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
181       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
182       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
183    o pkg/ecco: cost function when applying pkg/smooth to controls
184    o pkg/ctrl: add forcingPrecond run time parameter
185    o pkg/seaice:
186     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
187     - fix bug in metric terms of u-equation in LSR solver (implicit part),
188       changes verification/lab_sea
189     - rearrange implicit part of u-equation in LSR solver to make it easier to
190       read, understand, and debug. This causes changes at the truncation level.
191     - fix (serious) bug in the boundary conditions (sign error in the implicit
192       part) of the LSR solver. Changes all LSR results.
193     - fixed problem with HSNOW initialization to avoid thick snow when AREA
194       is initilized with small values - does not change lab_sea results.
195     - added HsnowFile initialization capability
196    o pkg/smooth: addition to model/src and pkg/ctrl so allow
197     initialization of pkg/smooth and application to control vector
198    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
199    o dependencies: pkg/profiles requires pkg/cal
200    o pkg/profiles:
201     - added option ALLOW_PROFILES_GENERICGRID
202         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
203         that interpolation information (grid points and coefficients) is provided
204         within the netcdf input files.
205         -> sample matlab scripts can be found in MITgcm_contrib/gael
206         that allow you to prepare netcdf input files.
207     - also modified: cleaner include statements, cleaner error print statements,
208       cleaner stops when error, and more tests of the netcdf input files consistency.
209    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
210    o pkg/seaice:
211     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
212       requires a new routine: seaice_diagnostics_fill.F
213     - make sure that seaice does not move if not forced (pressure replacement
214       method, Hibler and Ip, 1995), changes results
215     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
216     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
217       It is turned off by default (=-1.), because it changes the results.
218     - make it possible to read AREA from a file, too.
219    
220    checkpoint59c
221    o add S/R and diagnostics for oceanic mixed-layer depth
222    o move GMRedi call after all vertical mixing schemes (including KPP)
223    o pkg/thsice:
224     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
225      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
226    o pkg/obcs:
227     - bug fix for balance code
228    o pkg/seaice:
229      - allow values of SEAICE_elasticParm > 1
230      - add new parameter SEAICE_evpTauRelax as an alternative
231        to SEAICE_elasticParm
232      - make lsr boundary conditions free slip (by default), changes result
233      - add code for no slip boundary conditions for lsr
234      - set minimum of zeta to zero (and not 4e8) (changes results)
235      - add a cap on AREA after advecting AREA if seaice_growth is not called
236    o change calculation of Visbeck K:
237      - no longer depend on tapering scheme; instead, compute slope (limited
238        by GM_maxSlope). this is equivalent to what was comuted before with
239        clipping or linear tappering.
240      - fix vertical averaging (wrong by 1/2 level)
241      - leave the old version (but will not be maintained) within
242        #ifdef OLD_VISBECK_CALC / #endif
243      - update output of exp. ideal_2D_oce
244    o change error catch in calc_r_star to improve vectorization
245    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
246      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
247    o adjoint:
248      Re-organized adjoint checkpointing according to Matt Mazloff
249      (but with modifs/completions/cleanups)
250      Storing is now bundled into large arrays to optimized I/O
251      (and second step in cleanup of the_main_loop)
252    
253    checkpoint59b
254    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
255      - export/import (between ocean & coupler) fields needed for ocean DIC.
256    o pkg/seaice:
257      - get rid of three more exchanges seaice_calc_viscosities (required
258        different loop boundaries in seaice_lsr and seaice_ocean_stress)
259      - bug fix in seaice_ocean_stress (update of lab_sea required)
260      - reduce loop boundaries to necessary minimum also in seaice_evp
261      - go back to the old way of computing deltaC/Z as the adjoint likes that
262        better
263    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
264      passive tracer to an Age Tracer) + update output.txt
265    o pkg/exf:
266      - implement A-grid / C-grid selection for wind-stress input files.
267      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
268      for now, in exf_bulk_largeyeager04.F only :
269      - change implementation for case where windspeed + 2. components wind-stress
270        are read-in. AND use rhoConstFresh to convert evap.
271    o pkg/seaice:
272      - use correct EXCH_UV for wind-forcing (on A-grid).
273      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
274        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
275    o pkg/exf:
276      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
277      EXF_INTERPOLATION:
278      - merge global_with_exf/code version of exf_interp_read.F
279        to the main code ;
280      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
281        reading the file ; Important: This options needs to be defined to recover
282        previous code.
283        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
284      - no longer loose real*8 precision along the way when using exf_iprec=64.
285    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
286      - change discretisation of evp-solver in order to avoid another exchange
287        (changes lab_sea) and clean up a little
288      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
289        help the adjoint (this also changes the results slightly)
290      - add a few "_d 0" where they had been missing in seaice_evp.F
291      - cleaning up: remove unused seaice_calc_rhs.F
292    o pkg/exf: some cleaning-up:
293      - change various "constants" into runtime parameters
294      - cleaned-up Large&Yeager04 routine which should eventually
295        replace exf_bulkformulae.F (changed names of S/R and CPP)
296        and merged various ALLOW_ATM_WIND options
297     only used with thsice pkg (in thsice_get_exf.F):
298      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
299        which are used when useStabilityFct_overIce=TRUE (= the default)
300      - change default values of ice & snow emissivity and scale downward LW
301        by ice & snow emissivity.
302    o pkg/thsice:
303     fix few little problems, in thsice_calc_thickn.F:
304      - growth vertically (and not laterally) if iceFrac == iceMaskMax
305      - melt only laterally if hIce < hThinIce (as the comments say)
306      and in thsice_extend.F:
307      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
308      - start to form ice as soon as the minimum ice-volume is reachable.
309     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
310      and cpl_aim+ocn
311    o pkg/kpp
312     - move computation of surface related input fields to KPP into a new
313       subroutine kpp_forcing_surf.F
314     - remove wrong (within bi,bj loops) EXCH calls.
315     - little cleaning (add argument myThid in last position, cvs header ...)
316     - for now, fix conservation problem by exchanging KPPviscAz (may not
317       be the best fix)
318    o pkg/seaice
319     - check for inconsistent evp parameter/cpp-flag combination
320     - remove leftover errIO flat for obsolete name list error handling
321    o OpenAD
322     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
323    
324    checkpoint59a
325    o pkg/seaice: some parameter clarifications and a little bit of clean up
326    o pkg/thsice: rename run-time parameters:
327       himin       -> hIceMin
328       himin0      -> hThinIce
329       hihig       -> hThickIce
330       i0          -> i0swFrac
331       transCoef   -> bMeltCoef
332       frac_energy -> fracMelting
333      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
334       with default values (for now) that do not change the results.
335      remove old version of thsice vars advection in pkg/seaice.
336    o in FFIELDS.h:
337      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
338      - make pLoad & sIceLoad always available (but still only used if
339         ATMOSPHERIC_LOADING is #define).
340    o pkg/kpp: replaced _KPP_RL with _RL
341    o bug fixes for vertical diffusivity computations when both KPP and
342        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
343        are no longer updating the vertical diffusivity array
344        (passed as argument) but are (re-) setting those arrays.
345    o pkg/seaice: fix bug in evp solver, while doing that
346      - change (improve?) discretization of stress computations for both
347        cgrid-lsr and evp solver
348      - add a new routine to compute strain rates
349      - the above changes lab_sea results
350      - add no slip conditions for evp solver (off by default), lsr-version
351        may follow
352      - fix exchange for shear at Z-points (does not change lab_sea)
353      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
354        (to force the user to pick a time step since there is not "safe" way
355        of choosing it)
356      - add principal stress diagnostics
357      - rearrange fields for evp a little to avoid having to call a: too many
358        exchanges and b: exchanges for stress trensor components which we do
359        not have.
360      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
361        of evp, complete rewrite for lsr case (latter is does not yet work
362        in all cases)
363    o pkg/kpp: add code to have mixing in shelf ice caverns
364      - add myThid to all kpp routines (long overdue)
365    
366    checkpoint59
367    o pkg/exf:
368      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
369        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
370      - move exf header files from lower_case.h to UPPER_CASE.h ;
371        add missing cvs Header & Name
372      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
373      - add namelist param. selectStressGridPosition, exf_monFreq
374      - retire many _CLIM routines, and remove data.exf_clim
375        + params moved to data.exf
376        + climsst, climsss now handled by exf_set_gen, i.e.
377          climss?period=0 refers to constant field,
378          climss?period=-12 to monthly forcing
379      - split up namelists in data.exf
380    o pkg/seaice:
381      - remove seaice_exch and seaice_exch_uv
382      - remove superfluous exchange of theta
383      - add myThid to seaice_budget_ocean/ice
384      - add new interface for atmospheric wind forcing (C-grid only)
385        + new routine
386        + two new field (taux, tauy for stress over ice)
387        + removed one global field (DAIRN) for C-grid case only
388    o pkg/thsise
389      - 2nd set of modifs for thsice adjoint in conjunction with exf
390    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
391    
392    checkpoint58y_post
393    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
394      vertical diffusivity, similar to that in MOM4; turned on using
395      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
396      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
397    o Added capability for 3D specification of background vertical diffusion
398      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
399      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
400      "data" file that contains the 3D vertical diffusivity coefficients.
401    o ice dynamics (pkg/seaice) with thsice thermodynamics:
402      - add code within pkg thsice to advect & diffuse sea-ice fields
403      similar to (and will replace) what has been added in  seaice_advdiff.F,
404      but: - conserving Mass, Heat & Salt.
405           - better when using non-linear advection scheme (not yet fully tested)
406           - can also be used in atmospheric set-up (for now, only the diffusion).
407    
408    checkpoint58x_post
409    o IO option for global-file compact format:
410      - add options when generating topology (utils/exch2/matlab-topology-generator)
411      - add I/O capability (pkg/mdsio).
412      - adapt utils/matlab/rdmds.m to read this format.
413      for now long-line format not yet supported by pkg/mdsio (& exch2).
414    o shelfice: add a few diagnostics
415    
416    checkpoint58w_post
417    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
418      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
419      (and replace horiVertRatio in NH code).
420      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
421                         and tutorial_plume_on_slope (sensitive to truncation)
422    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
423      directly to drive seaice model (C-grid only)
424    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
425     - reintroduce computation of wind from stress,
426     - compute tau (in exf_bulkformulae.F) from windstress averaged to
427       mass points to avoid tau = 0
428     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
429    o rdmnc.m: make it work with "global" files created with gluemnc
430    o rdmnc.m : some improvements in dealing with singleton dimension
431      (tested on all testreport mnc output files).
432    o genmake2: disable pkg/profiles if netcdf test fails.
433    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
434    o move call to cal_readparms up to make calendar parameters/variable available
435      to all packages
436    
437    checkpoint58v_post
438    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
439      useDynP_inEos_Zc tested.
440    o pkg/exf: changes to properly interpolate/mask/scale initial fields
441    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
442      and portions thereof.  See read_cs.txt for description and examples.
443    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
444      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
445      following the great-circle arc between those 2 points.
446    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
447      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
448    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
449     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
450     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
451     - still needs work (not working with some options ; efficiency to improve)
452       and serious testing.
453     - use this scheme for temperature & salinity in 2 advection test exp.:
454       advect_xy & advect_xz, respectively.
455    
456    checkpoint58u_post
457    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
458    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
459    o testreport: add option "-skipdir" to skip some test.
460    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
461      momentum calculation.
462    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
463    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
464      remove checkpoint.F and the_correction_step.F (no longer used);
465      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
466    o add option (linFSConserveTr) to correct for tracer source/sink due to
467      Linear Free surface
468    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
469    o pkg/thsice: fix reading mnc-pickups
470    
471    checkpoint58t_post
472    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
473    o pkg/mdsio:
474     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
475       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
476       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
477     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
478     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
479       either MDS_READ_FIELD or MDS_WRITE_FIELD )
480     - new S/R (to replace MDSWRITEMETA), which allows to write more
481       informations (variable names, time ...) to meta files.
482     - modify rdmds.m to give back the meta file content.
483    o pkg/diagnostics: change vertical interpolation to be safer, and more
484       flexible (define p-levels to interpolate to in data.diagnostics);
485      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
486       diagnostic pointer.
487    o pkg/seaice: more cleaning up of seaice_growth, added many comments
488    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
489    o fix multi-category seaice:
490     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
491       SEAICE_MULTICATEGORY
492     - fix short wave heat flux
493    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
494       and allow to use EVP solver. Change forward lab_sea: test both EVP
495       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
496    o Initial check-in of lab_sea adjoint
497      (very similar to natl_box_adjoint/code_seaice)
498      * used C-grid and EVP solver
499      * used KPP, GM/Redi
500      * uses inAdExact=.TRUE.
501      * gradient checks fail for both ADM and TLM
502        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
503        f.d. gradients actually seem more problematic than ADM, TLM gradients;
504        issue is related to forward mismatch between g77 an ifort
505    o pkg/seaice: overhaul of thermodynamics
506     - growth.F and groatb.F are replaced by new routine seaice_growth.F
507     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
508     - move a few global fields out of SEAICE.h into seaice_growth.F and
509       make them 2D (FICE/QNETO/ ...)
510     - remove FO (it is the same as QNETO)
511     - introduce a few local fields to avoid modifying external fields such
512       as atemp, etc.
513    
514    checkpoint58s_post
515    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
516      changed exf_set_gen.F so that
517        genperiod=0 means input file is one time-constant field and
518        genperiod=-12 means input file contains 12 monthly means
519    o CG2D: use pre-computed solver main-diagonal (stored in common block);
520      this affects truncation error ; generate new output file for exp. which
521      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
522        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
523        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
524        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
525        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
526        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
527    o start implementation of deep-atmosphere and anelastic formulation
528    o verification: remove 2nd copy of input files and use script "prepare_run"
529      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
530    o mom_common/vecinv/fluxform: fix a few initialisation isssues
531    o profiles: fix for multithreaded case
532    
533    o diagnostics: rename few diags:
534      s/'PRESSURE'/'RCENTER '/g
535      s/'TICE    '/'oceFreez'/g
536      s/'TAUX    '/'oceTAUX '/g
537      s/'TAUY    '/'oceTAUY '/g
538      s/'SWFLUX  '/'oceQsw  '/g
539      s/DIFx/DFxE/g
540      s/DIFy/DFyE/g
541      and add few ocean-forcing diagnostics:
542      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
543    o modifications to pkg/seaice/growth.F and budget.F, which change results of
544      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
545      as actual snow thickness.  It now refers everywhere to effective snow
546      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
547    
548    checkpoint58r_post
549    o modifications to pkg/seaice/growth.F, which change results of
550      lab_sea experiment: fixes pertain to melting snow over open water, to
551      masking EVAP under sea ice, and to using the correct AREA variable for
552      computations of EVAP, PRECIP, HSNOW, and GHEFF
553    o add ability to read bathy, salt, and theta using MNC (off by def)
554    o add flooding algorithm and advection of HSNOW for pkg/seaice;
555      both are turned off by default and do no change any results
556    o seaice advection with pkg/thsice: a step toward the use of non-linear
557      advection scheme, but #ifdef or commented out for now (requires more EXCH).
558    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
559      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
560      in natl_box (affects results @ truncation level: update output.txt)
561    o multi-threading and IO:
562      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
563      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
564        (needed to work with SingleCpuIO): tested in all verif. exp.
565    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
566      affects the results (but none of the verification test uses this scheme).
567    o Adding some pkg/diagnostics capability to pkg/seaice
568      (will certainly be subject to changes)
569    o ctrl: adding new control variables:
570      lwflux, lwdown, evap, snowprecip, apressure, runoff
571    
572    checkpoint58q_post
573    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
574      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
575      high_res_cube configuration by 4% on Columbia.
576    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
577      add (in global_with_exf/code) a version of EXF_INTERP_READ without
578      dynamical allocation (seems to work in multi-threaded).
579    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
580      single CPU io) so that TAF does not have to see EESUPPORT.h
581    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
582    
583    checkpoint58p_post
584    o obcs: stop if obcs is used with useCDscheme = .true.
585    o shelfice:
586     - fix a sign error so that no slip at shelfice interface works
587     - remove stop for combination non-hydrostatic code and shelfice. That does
588       not mean, that the results are correct, but at least they are numerically
589       stable
590    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
591    o added adjoint exch routined for all exch*3d* routines
592      and updated flow directives
593    
594    checkpoint58o_post
595    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
596      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
597    o change controling S/R for writing pickup file (new S/R do_write_pickup)
598      and clean-up reading/writing of pickup files.
599    o fix local version of read/write pickup (NH part) in rotating_tank/code
600    o simplify EXCH interface:
601     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
602     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
603    o added the regrid package
604    o shelfice:
605     - add a simple boundary layer scheme to reduce noise
606     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
607    
608    checkpoint58n_post
609    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
610       local variable (not in common block).
611    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
612      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
613      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
614        to work with SingleCpuIO.
615    o add "_d 0" to real constant of pkg/cfc subroutines ;
616       update exp. cfc_exemple & tutorial_cfc_offline output files.
617    o multi-threading and IO:
618      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
619        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
620      - barrier before and after reading.
621      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
622      - avoid using MDS_WRITELOCAL for LAND pkg output.
623      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
624        common-block variables ; Allows multi-threading with master-thread IO.
625    o change default MAX_NO_THREADS from 32 to 4 ;
626      and stop cleanly when MAX_NO_THREADS is too small.
627    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
628    
629    checkpoint58m_post
630    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
631       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
632    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
633       keep global_ocean.90x40x15 (for AD testing) with former secondary test
634       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
635    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
636        add MITgcm_tutorials (= code + all the tutorials)
637    o ecco, option to compute cost for total ssh (mean+anom)
638    o consistent with addition of ptracer and ssh in pkg/profiles
639    o profiles: adding ptracer and ssh
640    o testreport: change multi-test output-file name
641      (from output.txt.{name} to output.{name}.txt)
642    o profiles: now ok for mutli-tiles case
643    o seaice: add 4 parameters for different advection schemes for area,
644      (effective) seaice thickness, enthalphy, and snow height. Their default
645      is the standard parameter SEAICEadvScheme
646    o calc_gw:
647     - add cosFacU in zonal viscous flux (harmonic.visc.).
648     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
649       of tutorial_plume_on_slope.
650    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
651    o calc_gw: true flux-form, account for horizontal grid spacing.
652      update rotating_tank results, but not plume_on_slope (affected at
653      truncation level, 11 digits).
654    
655    checkpoint58l_post
656    o calc_gw:
657     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
658     - remove side-drag for now (need to fix it); update plume_on_slope results.
659     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
660    o commit code to make SST/SSS weights spatially variable
661      (based on either variable in-situ or variable initial T/S weights)
662    o pkg/ecco:
663      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
664        now based on horizontally varying weights wthetaLev, wsaltLev
665      * cost_averagesflags now returns year indices in addition to day, month
666      * sflux balance is performed on annual basis
667        (sflxumm, sfluxmm2, bal_sfluxmm)
668      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
669        including separate counting and multipliers
670    o pkg/rbcs
671      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
672    
673    checkpoint58k_post
674    o testreport:
675     - always build in dir. "build" (if not there, mkdir build instead of building
676       & running in input)
677     - run in dir run (if it exists), in build otherwise.
678     - call prepare_run (if input/prepare_run exists)
679     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
680    o pkg/exf modifications to interpolation and rotation routines for more
681       reasonable treatment of North Pole singularity: for tracers North Pole
682       value is set to northernmost zonal-mean value, for zonal velocity it is
683       set to zero, and for meridional velocity it is set to northernmost value.
684    o pkg/exf/exf_check_range.F
685     - add tile index to diagnostics and move stop statement to the very
686       end of the routine.
687    o pkg/diagnostics: (diagnostics_main_init.F)
688      define title of isomorphic variables according to the current config.
689    o pkg/thsice with pkg/seaice dynamics:
690    - fix domain of computation (interior only, required for exf) and do exchanges
691    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
692    o towards a standard way of dealing with multi-threading in MONITOR
693      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
694    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
695       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
696    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
697    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
698    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
699       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
700    o tracer advection:
701     - clean-up and simplify calc_common_factors.F
702     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
703       advection subroutine (but still not used within DST advection S/R)
704    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
705    
706    checkpoint58j_post
707    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
708      from file (collects calls previously in FORWARD_STEP)
709    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
710    o adjoint store dir. adjusted accordingly
711    o genmake2
712      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
713    
714    checkpoint58i_post
715    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
716      on wind stress (SEAICEstressFactor defaults to 1.)
717    o Total number of Timers is finite (<=40): comment out 2 non-essential one
718      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
719    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
720      on CS-grid: no longer loosing mass.
721    o exf & curvilinear-grid: no longer modify longitude xC & xG.
722    o pkg/ggl90: fix sloppy output and fix a bug
723    o pkg/seaice: added SEAICEuseEVPpickup parameter
724      - Set to false in order to start EVP solver with
725        non-EVP pickup files when using SEAICEuseEVP
726      - fix sign error in diffusion in seaice_calc_rhs
727    
728    checkpoint58h_post
729    * Modifications for bottom topography control
730      o replace hFacC by _hFacC at various places
731      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
732      o add non-self-adjoint cg2d_nsa
733      o update autodiff support routines
734      o re-initialise hfac after ctrl_depth_ini
735      o works for 5x5 box, doesnt work for global_ocean.90x40x15
736    * Adding verification for 5x5 box (4-layer) bottom topography control
737    
738    checkpoint58g_post
739    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
740       used for mean seasonal cycle, mean diurnal cycle); add an example
741       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
742    o pkg/ggl90:
743      - add parameter (minimum surface kinetic energy)
744      - fix bug (avoiding division by zero)
745    o couple pkg/thsice to pkg/seaice:
746      - modify advection in seaice to accomodate new scalar fields to be advected
747      - only muliDimAdection scheme work with seaice/thsice
748      - mapping of thsice-variables to seaice-variables, back and forth
749      - does not break the verification experiments, but does not give the
750        desired results either
751    o pkg/seaice
752      - make (default) second order advection a bit less confusing?
753    
754    checkpoint58f_post
755    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
756      to pkg/seaice):
757      - new routines thsice_map_exf and thsice_get_exf provide the interface
758      - add an additional formal parameter to thsice_solve4temp
759    o pkg/exf:
760      - add new fields wspeed, snowprecip (to be able to couple to thsice)
761      - correct Stefan-Boltzmann constant
762      - new parameter for longwave surface emittance
763      - separate some stuff from exf_bulkformulae into new routines  
764        exf_radiation, exf_wind
765      - add new parameters and constants: longwave emissivity for ocean, ice
766        and snow, evaporation parameters over ice
767      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
768        either wind from stress or stress from wind
769    o pkg/thSIce:
770    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
771    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
772       and THSICE_CALC_THICKN
773    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
774    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
775      to make debugging easier.
776    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
777    o pkg/bulk_force:
778      - clean-up comments and parameters ;
779      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
780    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
781      generate new output for test-experiment: aim.5l_cs.thSI
782    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
783      testreport accordingly
784    
785    checkpoint58e_post
786    o SEAICE_CGRID adjoint done
787    o R_STAR adjoint implemented.
788      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
789      * need to sort out init. of h0facc, etc.
790    o Make pkg/profile fully independent of ecco,cost, etc. stuff
791      to be able to use it in pure forward.
792    
793    checkpoint58d_post
794    o upgrade simple test-experiment to tutorial example:
795     step.1: duplicate the experiment and (step.2) will remove the old copy.
796      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
797      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
798      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
799      tutorial_global_oce_biogeo    <- copy of dic_example
800      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
801      tutorial_plume_on_slope       <- copy of plume_on_slope
802      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
803      tutorial_global_oce_optim     <- empty for now (David ?)
804      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
805     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
806    o correct a sign problem in cost_scat.F
807    o obcs and ptracers: fix boundary conditions for advections schemes
808      with larger stencil
809    o thsice adjoint: start
810    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
811      completeness
812    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
813      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
814    o ptracers adjoint:
815      * avoid extensive recomputatations
816      * fix missing re-init. of gptr (missed by TAF)
817    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
818      me to turn off the excessive output to STDOUT that this package produces
819    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
820      and add those terms in Vector-Invariant formulation.
821    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
822      if the control period (xx_hfluxperiod etc) is 0
823    o in profiles pkg, clean routines and fix details
824    o in ecco pkg, reading ssh data:
825      fix problem in case the model does not start at iter0=0
826    o fix mnc-pickup/restart for ptracers
827    o new package prifiles:
828      code to compute profile-based cost by Gael Forget
829      (modifs in ecco, ctrl, autodiff)
830    o Benign bug fix in initialization (spotted by M. Mazloff) of
831      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
832    
833    checkpoint58c_post
834    o adjoint: finish NLFS adjoint and provide reference output in
835      verification/global_ocean.90x40x15/results_ad_nlfs
836    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
837      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
838      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
839      with SEAICE_CGRID defined.
840    o move calendarDumps from "data" to "data.cal" and clean-up the code
841      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
842    o add useEXF & useCAL flags (for now, set in hard-coded way)
843    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
844      (were missing in NH mode, and wrong in quasihydrostatic mode).
845      waiting for Chris updated version of calc_gw to add those CALLs.
846    o fix bug in quasihydrostatic S/R ;
847      add a test for this option: global_ocean.90x40x15.qshyd
848    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
849      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
850    o add on/off flag useOffLine for package OFFLINE
851    o seaice:
852      - modify advection so that it works also on the C-grid
853      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
854        problem in multi-tile runs with C-grid
855      - add flags for clipping ice velocities and/or masking solver forcing
856      - fix drag (ocean on ice) formulation and a bug that caused noise in the
857        C-grid solver
858      - added a few comments to seaice_diffusion.F
859      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
860        are now exclusive)
861      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
862        required re-ordering the code a little:
863       + make DAIRN global variable (defined in SEAICE)
864       + move computation of the viscosities eta and zeta into a new separate
865         routine (because I need to recompute them in seaice_ocean_stress.F)
866    
867    checkpoint58b_post
868    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
869      update output.txt of exp. aim.5l_cs.thSI
870    o various mnc cleanups and improvements:
871      + shrink lookup tables by factor of ~4
872      + better error reporting when running out of lookup space
873      + able to handle longer path/file names (up to 500 chars)
874    o adjoint:
875      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
876      - TBD: "hidden" mom_vecinv recomp. in dynamics
877    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
878     (allow to differentiate between forcing components using new integer flags:
879      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
880     and add new flag to put Dissipation tendency out of Adams-Bashforth.
881    o ecco
882      - enable trend removal from SSH anomaly obs.
883    o adjoint
884      - a fix for PmEpR when #undef EXACT_CONSERV
885      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
886      - try to fix "hidden" recomp. in forward_step for NLFS
887        (NLFS seems broken sometimes after I checked it in)
888    o seaice:
889     - add c-grid version of the dynamic solver:
890       + three new routines that are the c-grid substitute lsr, dynsolver
891         and ostres
892       + put a few fields that were local to dynsolver into global common
893         blocks, so that I can move the computation of stresses etc into
894         seaice_lsr (saves coding but may break the adjoint).
895     - replace more hardwired parameters by runtime parameters
896     - add ice masks that mask the rhs of the implicit solvers where there
897       is no ice (commented out in seaice_dynsolver, because i am not sure
898       if this works properly), eventually this should replace the clipping
899       of ice velocities in seaice_dynsolver to +/-40cm/s.
900    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
901      include it only where its needed
902    o move balancing of fluxes before the call of external_forcing_surf
903    o seaice:
904      - correct units of turning angles (now they are really in degrees)
905      - move computation of GWATX/Y out of main routine into dynsolver
906      - initialize GWATX/Y in seaice_init
907    o Apply mask on Fresh-Water flux (needed for SSH forcing).
908      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
909    o seaice: add runtime flags for turning angles (default to zero)
910    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
911      and trend from exf forcing and ctrl control adjustments
912    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
913      (since checkpoint57x_post)
914    o change the default rotation period to 86164.s = the Earth rotation
915    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
916      and based on a reference stratification. Tested within hs94.cs-32x32x5.
917    o seaice advection: add code for choosing between the default (2nd order
918      central differences) and multiDim advection schemes provided by
919      pkg/generic_advdiff
920    o seaice:
921      - removed all references to SEAICE_GRID.h fields from
922        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
923        (cubed-sphere configuration will change a little)
924      - grid computations in seaice_init are obsolete now.
925      - cleaned up code a little so that is easier to read (hopefully).
926      - added new (better?) discretizations of default advection and diffusion
927        (turn on with SEAICEuseFluxForm)
928      - replace 1 in 3d global fields by kSurface in growth.F
929      
930    checkpoint58a_post
931    o seaice:
932      - bug fix in advect.F
933    o shelfice:
934      - separate shelfice load anomaly from pload (breaks with time
935        dependent forcing), => introduce constant field shelficeLoadAnomaly.
936        Its default is 0., but it may be computed more cleverly from (unknown)
937        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
938        done offline. A good approximation of the pressure load anomaly is
939        necessary to avoid large initial adjustment processes underneath
940        deep-reaching shelfice.
941      - small fix in ISOMIP shelfice_thermodynamics
942      - add more sophisticated thermodynamics of Hellmer (1989), this is
943        now the default
944      - give a few constants more intuitive names
945    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
946      if bulk formulae are used in long integration (especially EmPmR). Turn
947      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
948      if balancePrintMean, the imbalance that is substracted is printed to
949      STDOUT.
950    o fix bug (typo) in obcs_apply_eta.F
951    o add a new package shelfice which enables us to model the circulation
952      underneath shelf-ice with draughts of hundreds of meters.
953     - works
954     - to do: + include improved thermodynamics
955              + check whether kSurfC (from model/inc/SURFACE.h) can be used
956                instead of new field kTopC
957              + can we use topoFile, Ro_surf and existing code in ini_depth.F
958                instead of new field R_shelfIce and new code in ini_depth.F
959                and ini_mask_etc.F?
960              + adjust vertical mixing schemes?
961    o seaice pkg:
962     - add a cpp-flag to include a simple formula for a salinity dependent
963       freezing point of sea water at the surface
964     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
965       meridional stresses are now different (and hopefully correct)
966    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
967       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
968       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
969    o pkg/diagnostics: add options and parameters for regional-statistics
970       diagnostics ; define regions by reading a region-mask from a file
971       (might add other options later)
972    o pkg/bulk_force:
973     - add option and parameters to use AIM surface-flux formulae.
974     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
975       others forcing fields (defined in PARM05, parameter file "data") are loaded
976       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
977     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
978     - use the right EXCH call for uwind,vwind (to work on CS-grid).
979     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
980       and parameters (note: calcWindStress replaces .NOT.readwindstress).
981     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
982    
983    checkpoint58
984    o add "--embed-source" option to genmake2 which, when the supporting
985      tools can be compiled (as determined by genmake2) will turn on the
986      embed_files package which then embeds the entire MITgcm source code
987      (*.[fFhc] + Makefile) used for the build within the executable
988      - requested by CNH but off by default
989      - adds a paltry <9MB to the mitgcmuv executable in most cases
990      - only writes the output when useEMBEDSRC in eedata is true
991    o clean up 3-dim. relaxation codes:
992      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
993      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
994      * Thanks to Tom Haine for testing!
995    
996    checkpoint57z_post
997    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
998      affects output (@ truncation level) of exp. plume_on_slope ; updated.
999    o fix the pickup behavior for obcs in combination with ptracers
1000    o fix a bug in ptracers_external_fields_load
1001    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
1002      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
1003    o transfered surface NH pressure to eta field (if exactConserv).
1004    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
1005         and update lab_sea output.txt file.
1006    o completing 3-dim. relaxation code: additional term
1007         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
1008      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
1009      * At compile time, in "EXF_OPTIONS.h" set
1010          #define  ALLOW_CLIMTEMP_RELAXATION
1011          #define  ALLOW_CLIMSALT_RELAXATION
1012      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
1013          tauThetaClimRelax3Dim = 15552000.0,
1014          tauSaltClimRelax3Dim  = 15552000.0,
1015      * 3 cases:
1016          1) Use a constant-in-time 3-dim. field
1017          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
1018          3) Real-time relax. to time-evolving prescribed field
1019    o Adding Laplacian-type smoothness constraint on
1020      initial and boundary (forcing) controls (ic, bc)
1021      * enable at compile-time via
1022        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
1023      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
1024      * Absolute scale somewhat unclear so far
1025      * no area weighting was included since no other cost term does so far
1026    
1027    checkpoint57y_post
1028    First step for a NLFS adjoint
1029    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
1030    o new init. routines for calc_r_star, calc_surf_dr
1031    o still need to deal with ini_masks_etc
1032    o testreport seemed happy
1033    checkpoint57y_pre
1034    
1035    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
1036    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
1037    o add new offset feature to offline pkg (plus minor cleanup)
1038    o cfc fixes for final year of integration
1039    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
1040      be in GCHEM_OPTIONS).
1041    
1042    checkpoint57x_post
1043    o fix testreport Pb in multiple test experiment.
1044    o cleanup our namelist syntax in verification:
1045      - make it more F95 standards compliant (some work still needed)
1046      - allows the vast majority of our tests to work with gfortran
1047    o Non-Hydrostatic:
1048     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
1049     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
1050    o Allow to apply AB on T,S rather than on AB(gT,gS):
1051     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
1052     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
1053       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
1054     - need a "clever" read_pickup to restart from the other AB formulation
1055    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
1056    o remove some unused variables (reduces number of compiler warnings)
1057    o adjoint
1058      * Disable useVariableViscosity for adjoint for time being
1059        (there are a number of extensive recomputations)
1060      * Initialize certain variables needed for adjoint
1061    
1062    checkpoint57w_post
1063    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
1064                 fix the singleCpuIO RS version of MDSWRITEFIELD
1065       and add a WARNING if using globalFiles=T with multi-processors.
1066    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
1067      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
1068    o tracer advection scheme:
1069      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
1070       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
1071       was not very convenient).
1072      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
1073       (further tests needed for the implicit DST & Flux-Limiter schemes).
1074    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
1075      and sRef for convenience, handy, when you want to initialize
1076      ptracers in a large domain with a constant non-zero value. Also,
1077      untangle ptracers_init.F a little.
1078    
1079    checkpoint57v_post
1080    o change dome exp. to use variable viscosity in side-drag terms.
1081    o remove all the files from the cfc_offline test since they are now
1082      incorporated into tutorial_cfc_offline which has been producing
1083      identical results for a few days of testing
1084    o add new parameter: sideDragFactor to enable half-slip-side BC
1085      and change side-drag S/R to use viscosity from mom_calc_visc
1086      (can switch back by setting sideDragFactor=0.); affects results at
1087      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
1088       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
1089    o vorticity & strain are now computed without masking, to account for
1090      no-slip-side BC in variable viscosity calculation ; mask is applied
1091      anyway later on, before computing advection/coriolis terms.
1092    o modify exp4 to test new obcs support for reading from external files
1093      and for passive tracers
1094    o fix behavior of ptracers_monitor when monitor output is written to a
1095      netcdf-file; still not independent of monitor.F (writes in the same
1096      file).
1097    o change default value of tRef (put a uniform, meaningful value for ocean
1098      & atmos) and initialize sRef (was missing, as Martin mentioned).
1099    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
1100      to be proportional to enstrophy dissipation length.  Thus,
1101       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
1102      This is now consistent with Smagorinsky and with the manual.
1103    
1104    checkpoint57u_post
1105    o OBCS and PTRACERS: add open boundary support for passive tracers
1106      - either use homogenous (pseudo) v.Neumann conditions or prescribe
1107        OB-values from file; this is not different from the way theta and salinity
1108        are treated
1109      - however, Orlanski-radiation conditions are not supported, and the model
1110        will stop if you use pTracers and Orlanski at the same time.
1111      - beefed up the rountine obcs_external_fields_load: now only those open
1112        boundary values are overwritten with values from files for which there
1113        are really files, otherwise the OB-fields remain untouched. This makes
1114        it possible to use different OBs at different ends of the domain (as
1115        with EXF)
1116    o reduce number of exch calls in shap_filt (s2).
1117    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
1118      truncation level) 4/5 MLAdjust test results (11&12 digits match).
1119    
1120    checkpoint57t_post
1121    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
1122    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
1123      same truncation, independent of the face number: affects affects several
1124      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
1125    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
1126      note that biharmonic viscosity + no-slip was not tested in any experiment.
1127    o fix bug in non-linear free-surf side-drag ; generate new output for
1128      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
1129    o make mnc honor the writeBinaryPrec flag for most kinds of output
1130    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
1131    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
1132      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
1133    o add brackets in multi-terms sum to get same truncation, independent of
1134      the face number (manage to get exactly same value of gU,gV at the cs-edge)
1135      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
1136    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
1137      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
1138      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1139      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1140      Suggested values of viscosity parameters found in mom_calc_visc.
1141      Many new viscosity diagnostics available.
1142    
1143    checkpoint57s_post
1144    o Add clearing-house for viscosity calculations, mom_calc_visc and
1145      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1146      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1147      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1148      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1149      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1150      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1151      ViscAhStrain and viscAhTension are now retired.
1152    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1153    o In response to JMC's bug report, genmake2 now ignores any soft-links
1154      that it finds in the *current* directory when searching for files.
1155      Soft-links found in any other source directories will still work as
1156      they did before.
1157    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1158      a C routine to unlimit the stack size
1159    o mnc-ify pkg/aim snapshot vars
1160    o mnc-ify pkg/land as requested by Daniel
1161    o various changes to mnc including:
1162      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1163      - output can now be grouped so that all files within a group
1164          change the ITER portion of their names in lock-step together
1165      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1166          and works with both EXCH1 and EXCH2 (but needs more testing)
1167      - writing works for all verification test cases w/ g77 on Linux
1168    
1169    checkpoint57r_post
1170    o make MNC variable initialization happen earlier
1171    o add diagnostics for (almost) each term of the momentum Eq.
1172    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1173    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1174    o remove MINIMAL_TAVE_OUTPUT option ;
1175      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1176    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1177      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1178    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1179    o add time-dependent SST, SSS control
1180    o cost terms in ecco/ modularized (new cost_generic.F)
1181    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1182    o new infrastructure for seaice model vs. obs misfits in seaice/
1183      * driver from the_main_loop.F is seaice_cost_driver.F
1184      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1185      * gradient check in Exp. 6a of natl_box_adjoint/
1186    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1187      (see README file)
1188    
1189    checkpoint57q_post
1190    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1191    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1192      - bug was reported by Jean-Michel and Ian Fenty
1193    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1194      update exp. cpl_aim+ocn output.
1195    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1196      Needed for high-res. runs with large global files
1197      to be able to limit tapelev size
1198    o Changed some tests for adjoint:
1199      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1200      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1201      * global_ocean.90x40x15/ back to default 3-level checkpointing
1202    o Modifications to enable scripted COMMON to MODULE conversion
1203      * verification/OpenAD/code/ has necessary scripts and description;
1204      * converts, compiles and runs successfully;
1205    
1206    checkpoint57p_post
1207    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1208    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1209      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1210    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1211    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1212      (was already the case for dissipation with mom_vecinv,
1213       and also the case for grad.PhiHyd when staggered-timeStep)
1214      This will allow to put dissipation out-off the AB time-stepping.
1215     Unfortunately, affects truncation error. Update output of exp. that "fails"
1216      (cg2d matching number) and leave the others for later: front_relax(10),
1217      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1218      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1219    
1220    checkpoint57o_post
1221    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1222      (2) its ready to be documented during the 20050801 DocFest
1223    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1224      for ideal_2D_oce and lab_sea on linux_ia32_g77
1225    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1226      in global1x1_tot/code_seaice_adj to access indices 32, 33
1227      (worth another tag)
1228    
1229    checkpoint57n_post
1230    o adding precip control xx_precip 32
1231    o adding swflux control xx_swflux 33
1232    o Replacing 10 forcing penalty cost routines by 1 generic.
1233    o Implementing partitioning in time-mean and variable adjustment
1234      for atmos. state.
1235    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1236  o in natl_box_adjoint:  o in natl_box_adjoint:
1237    * updated: results_bulk/    * updated exp 1 to 10
1238    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
1239    o updated global1x1/*_seaice_adj/
1240      to incorporate latest changes
1241    o enable useSingleCpuIO for mdsio vector routines
1242      (applies in particular to tapelev I/O)
1243    o removed inefficient K-loop in all active_file*control*.F
1244    
1245  checkpoint57m_post  checkpoint57m_post
1246  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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