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revision 1.765 by jmc, Fri Jan 12 19:18:24 2007 UTC revision 1.955 by gforget, Sat Feb 9 23:31:18 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/ctrl:
8      - Rewrite of ctrl_map_ini_ecco.F,
9        introducing a generic routine (ctrl_map_ini_gen.F).
10      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
11    checkpoint59n
12    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
13      number in dedicate array "hdiag":
14      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
15        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
16      - many small changes (integer format) for large number of diagnostics
17      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
18        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
19    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
20      usingSphericalGrid, this allows to define the rotated grid coordinates
21      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
22      geographical coordinates according to the inverse of the rotation defined
23      by the Euler angles, so that Coriolis parameter and online-interpolation by
24      exf works with the geographical coordinates on XC/YC/XG/YG.
25      Naturally, this feature does not work with all packages, so some
26      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
27      profiles), because there the coordinates are assumed to be regular
28      spherical grid coordinates.
29    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
30      - introduce isopycnal diffusion coefficient control.
31    o tools/adjoint_options:
32      - additional control vector components.
33    o pkg/mnc: have mnc create marginally meaning full coordinate variables
34      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
35    o pkg/mypackage:
36      - add example of read/write pickup for state-var ;
37      - add entry points to the main code for state-vars diags & write-pickup.
38    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
39      transitions for useExfYearlyFields
40      - add new subroutine that determines the file to read from for
41        use*YearlyFields = .TRUE. and .FALSE.
42      - add a verification experiment to global_with_exf that tests
43        useExfYearlyFields with USE_EXF_INTERPOLATION defined
44    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
45      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
46      subroutines (which could be generated from a template, because they are
47      almost identical), for now they are included in obcs_prescribe_read.F for
48      simplicity
49    o pkg/exf:
50      - add a little more diagnostic to exf_interp_read (in analogy to
51        mds_read_field, can be turned off with debugLevel < debugLevA=1)
52      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
53        ugly but fast by unrolling short inner loops, inserting a unroll=8
54        directive in routine lagran, and splitting a loop and making do while the
55        outermost loop (the latter requires the intoduction of index arrays)
56    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
57    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
58      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
59    o verification/seaice_obcs: updated for restart test and latest options
60    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
61      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
62      for now this is only available for the C-grid code and also within
63      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
64    
65    checkpoint59m
66    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
67      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
68    o gad_som : fix flux output (& diagnostics) to have same units as other  
69      advection scheme fluxes (was previously multiplied by deltaT).  
70    o added verification/seaice_obcs both to test seaice open boundaries
71      and to provide an example matlab scrpt for generating them
72    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
73    o pkg/salt_plume: clean up salt_plume_frac.F to
74      remove redundancy in PlumeMethod 1 and 4
75    o pkg/kpp: added saltplume diagnostics
76    o pkg/obcs and pkg/seaice:
77      - do not set uice and vice to zero when OB*icefile are unspecified
78      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
79      - moved seaice tracer obcs after call to seaice_growth
80    o pkg/salt_plume: added various options for salt plume depth
81      criterion and for vertical distribution of the salt
82    
83    checkpoint59l
84    o pkg/ptracers: new version of ptracers pickup:
85      read meta file and write only fields which are needed to restart.
86      ( same logic as main pickup file ; also using pickupStrictlyMatch )
87    o pkg/seaice:
88      - add timescale for melting due to warm mixed layer as a means of
89        setting SEAICE_availHeatFrac more conveniently
90      - add a CPP-flag/runtime parameter check for flooding algorithm
91      - reformulated availHeat in seaice_growth.F to be independent of AREA
92    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
93      unit changes
94    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
95    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
96      SX vector computer.
97    o pkg/seaice:
98      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
99        seaice forcing fields can now be read only through pkg/exf
100      - removed some unused halos
101    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
102    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
103      or U/VICE from U/VWIND before computing U/VSTRESS
104    
105    checkpoint59k
106    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
107      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
108    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
109      all experiments pass when compile with un-initialised var. checking option.
110    o added pkg/salt_plume
111    o script to test restart (for now, in MITgcm_contrib/jmc_script)
112    o pkg/seaice: new read/write pickup version.
113      read meta file and write only fields which are needed to restart.
114      ( same logic as main pickup file ; also using pickupStrictlyMatch )
115    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
116    o lab_sea.hb87: modify the domain & update output.hb87.txt :
117      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
118      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
119      process. Fixed here by closing the domain at the Northern boundary.
120    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
121    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
122      a set of consecutive levels in/from a 3-D array.
123    o pkg/ptracers:
124      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
125      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
126    
127    checkpoint59j
128    o in pkgs: dic, obcs, offline, rbcs:
129      standard way to compute coeff. for time interpolation between 2 time reccords
130      which retains full precision (& make results less dependent on compiler).
131      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
132    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
133      packages instead of reading ice cover and wind speed separately
134    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
135     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
136      to allow to compile customized code before the update)
137    o cleaning-up:
138      - fix CPP instruction syntax in pkg/obcs
139      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
140        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
141      - fix some threads issue in IO parts.
142    o pkg/dic:
143      - add tons of "_d 0" (--> much better testreports !)
144       and then update outputs of tutorial_global_oce_biogeo
145    o pkg/mom_fluxform:
146      add a special version of momentum advection intended to conserve momentum
147      next to a bathymetry step or a coastline edge. (default = off = #undef)
148    o new read/write pickup version:
149      - for now, only implemented for main (mdsio) pickup file.
150      - write out only what is needed to restart; merge pickup_nh , pickup_ph
151        and main pickup together.
152      - read meta file; read only what is needed to restart; stop if a field
153        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
154        if it make sense (even if the restart is not perfect).
155      - if no meta file, assume that pickup to read corresponds exactly to
156        a pickup that would currently be written.
157      - read pickup written in the old format (until checkpoint59i) if it
158        recognizes an old meta file (no field-list).
159      - add a meta file in exp. which starts from a pickup: 2 cases:
160        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
161         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
162        b) a meta file describing the content of the associated pickup file
163         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
164    o pkg/mdsio & pkg/rw:
165      - new routine to read a meta file ; new set of routine to read
166        Multiple-fields file (with meta file).
167    o added open boundary conditions capability for seaice
168        HSNOW, HSALT, UICE, and VICE
169    
170    checkpoint59i
171    o adjoint:
172      * fix multiDimAdvection adjoint
173        (partial recomputation problem by TAF for fVerT(:,:,kDown)
174        and comlev1 size definition (maxpass vs. max. number of tracers)
175      * verification/global_ocean.90x45x15 adjoint now tests
176        NLFS and multiDimAdvection using DST3 (=30)
177      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
178    o pkg/kpp: add "_d 0" to real constant (if missing);
179      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
180      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
181    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
182      for internal parameters related to restart process (formerly from PARAMS.h)
183      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
184    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
185      as argument. (only atm2d & obcs write_pickup have not yet been updated)
186    o pkg/monitor:
187      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
188      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
189      - account for deep Atmosphere factor and density factor (anelastic)
190    o added open boundary conditions capability for seaice HEFF and AREA
191    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
192      thermodynamics
193      - requires a little reorganization, which affects the testreport results
194        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
195        so that now the conservative form is tested
196      - add a few comments
197    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
198    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
199    o add new diagnostics to seaice: advective, diffusive fluxes (only for
200      multidim-advection, for scheme 2 they are not filled) and transports,
201      thermodynamic growth rates
202    o change units of EmPmR (inside the code, + within coupling interface)
203      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
204      Affects results @ truncation level (cg2d match) and update output of
205       experiments: lab_sea(6), global_ocean.90x40x15(10),
206      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
207      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
208      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
209      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
210    
211    checkpoint59h
212    o pkg/exf:
213      - improve vectorization by moving if-statement out of loops in
214        exf_mapfields, exf_radiation
215      - exf_bulkformulae.F: introduce 2D fields and vectorize code
216    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
217    o testreport:
218      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
219        monitor & update offline_exf_seaice exp. output.
220      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
221    o pkg/seaice:
222      - bug fix in the evp solver: boundary conditions were affected be
223        masking of zMax/zMin (changes results)
224      - minor bug fix in boundary conditions in seaice_calc_strainrates
225        (changes results for no_slip)
226      - seaice_lsr.F: make interpolation of eta dependent on boundaries
227      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
228      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
229        stress formulation and no-slip boundary conditions
230    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
231      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
232    o pkg/seaice: a first HSALT time stepping equation has been checked in
233    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
234      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
235      without requiring DO-IF statements
236    o pkg/thsice:
237      use continuous power-law function for partition of energy between lateral
238      melting/freezing and thinning/thickening ; old code using step function
239      still available with #undef THSICE_FRACEN_POWERLAW
240      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
241    o testreport: change AD testing : check against results/output_adm.txt
242      using same scripts as for forward test.
243    
244    checkpoint59g
245    o adjoint testing: in preparation for changing testreport:
246      - output format: cost and grad written on separated lines
247      - ad output results in directory "results" (instead of "results_ad")
248    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
249    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
250    o pkg/ecco: allow user defined cost function contributions
251    o testreport:
252      Allow to choose (per experiment) the list of tested output variables
253       and the main variable (used to issue a pass/FAIL ) ;
254      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
255      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
256      Also modify printing of summary:
257       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
258       b) echo the list of tested variables in the individual summary.txt of
259          each experiment.
260    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
261      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
262      (but still depend on the tile decompostion of the domain).
263    o pkg/seaice: change a discretization detail to make the B-grid code
264      "more symmetric". This change is likely to remove all "ridges/leads" that
265      where quasi-aligned with the grid in B-grid solutions. It may also be
266      the solution to the stress coupling issues with the B-grid.
267    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
268      remove .cvsignore from input dir. (since testreport no longer run here).
269    o pkg/thsice:
270     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
271     - fix reshaping of sea-ice just after advection:
272       melt all the ice only if ice-volume is too small.
273     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
274       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
275     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
276    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
277      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
278    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
279      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
280      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
281      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
282      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
283      -> update output.txt
284    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
285     this affects truncation error: -> update output.txt of exp:
286      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
287      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
288    
289    checkpoint59f
290    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
291    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
292      a bounded range (in forward mode)
293    o pkg/ecco, ctrl, autodiff and mom_common:
294     internal parameter controls, completements of implementations
295    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
296    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
297      (not seem any difference in testing results).
298    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
299       at face corners.
300    o pkg/generic_advdiff:
301     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
302      loop range indices for computing vertical advection tendency
303      and do the calculation in the interior only (no overlap) ;
304      for now, only implemented for SOM advection (to save CPU time).
305     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
306    o exch2 adjoint
307      First set of changes:
308      - add exch2 hand-written adjoint templates
309      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
310        This will require cleanup in pkg/autodiff/*.F
311        (changed routines currently kept separate in verif. code/)
312      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
313        that used to hide exch2 or cubed-sphere specific code
314        (commented via 'cph-exch2')
315    o pkg/seaice
316      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
317    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
318       output of global_ocean.cs32x15.thsice .
319    
320    checkpoint59e
321    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
322      for B-grid vector (not yet tested) and C-grid vector (<- only used
323      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
324    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
325      (#ifdef ALLOW_SALT_PLUME)
326    o gather_2d/scatter_2d: removed halo regions
327    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
328      scheme and the corresponding test case (under front_relax dir). For now,
329      only available with Skew-flux form and not yet tested in realistic set-up.
330      adjoint: store directives updated, but gradient checks deteriorated,
331      so maybe GM/Redi adjoint is now broken.
332    o seaice adjoint
333      * add AREA, HEFF, HSNOW as control variable
334        (should not change lab_sea results)
335      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
336    o pkg/seaice:
337      * added computation of saltFlux in seaice_growth;
338        For time being, sea ice salinity is assumed constant
339        contribution of snow flooding to freshening of sea ice is neglected.
340        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
341        defaults to 0.0 in order to maintain backward compatibility.
342        Typical values for SEAICE_salinity are 4 to 10 g/kg.
343      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
344      * added SEAICE_availHeatFrac, which specifies fraction of surface level
345        heat content used to melt or grow ice
346      * commented out cap of HICE: it helps keep ice thinner
347      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
348      * applied OBCS T/S mask to HEFFM sea ice mask
349    
350    checkpoint59d
351    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
352     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
353     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
354    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
355     and change default value of parameter "GM_Small_Number";
356     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
357       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
358       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
359    o pkg/ecco: cost function when applying pkg/smooth to controls
360    o pkg/ctrl: add forcingPrecond run time parameter
361    o pkg/seaice:
362     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
363     - fix bug in metric terms of u-equation in LSR solver (implicit part),
364       changes verification/lab_sea
365     - rearrange implicit part of u-equation in LSR solver to make it easier to
366       read, understand, and debug. This causes changes at the truncation level.
367     - fix (serious) bug in the boundary conditions (sign error in the implicit
368       part) of the LSR solver. Changes all LSR results.
369     - fixed problem with HSNOW initialization to avoid thick snow when AREA
370       is initilized with small values - does not change lab_sea results.
371     - added HsnowFile initialization capability
372    o pkg/smooth: addition to model/src and pkg/ctrl so allow
373     initialization of pkg/smooth and application to control vector
374    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
375    o dependencies: pkg/profiles requires pkg/cal
376    o pkg/profiles:
377     - added option ALLOW_PROFILES_GENERICGRID
378         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
379         that interpolation information (grid points and coefficients) is provided
380         within the netcdf input files.
381         -> sample matlab scripts can be found in MITgcm_contrib/gael
382         that allow you to prepare netcdf input files.
383     - also modified: cleaner include statements, cleaner error print statements,
384       cleaner stops when error, and more tests of the netcdf input files consistency.
385    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
386    o pkg/seaice:
387     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
388       requires a new routine: seaice_diagnostics_fill.F
389     - make sure that seaice does not move if not forced (pressure replacement
390       method, Hibler and Ip, 1995), changes results
391     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
392     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
393       It is turned off by default (=-1.), because it changes the results.
394     - make it possible to read AREA from a file, too.
395    
396    checkpoint59c
397    o add S/R and diagnostics for oceanic mixed-layer depth
398    o move GMRedi call after all vertical mixing schemes (including KPP)
399    o pkg/thsice:
400     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
401      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
402    o pkg/obcs:
403     - bug fix for balance code
404    o pkg/seaice:
405      - allow values of SEAICE_elasticParm > 1
406      - add new parameter SEAICE_evpTauRelax as an alternative
407        to SEAICE_elasticParm
408      - make lsr boundary conditions free slip (by default), changes result
409      - add code for no slip boundary conditions for lsr
410      - set minimum of zeta to zero (and not 4e8) (changes results)
411      - add a cap on AREA after advecting AREA if seaice_growth is not called
412    o change calculation of Visbeck K:
413      - no longer depend on tapering scheme; instead, compute slope (limited
414        by GM_maxSlope). this is equivalent to what was comuted before with
415        clipping or linear tappering.
416      - fix vertical averaging (wrong by 1/2 level)
417      - leave the old version (but will not be maintained) within
418        #ifdef OLD_VISBECK_CALC / #endif
419      - update output of exp. ideal_2D_oce
420    o change error catch in calc_r_star to improve vectorization
421    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
422      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
423    o adjoint:
424      Re-organized adjoint checkpointing according to Matt Mazloff
425      (but with modifs/completions/cleanups)
426      Storing is now bundled into large arrays to optimized I/O
427      (and second step in cleanup of the_main_loop)
428    
429    checkpoint59b
430    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
431      - export/import (between ocean & coupler) fields needed for ocean DIC.
432    o pkg/seaice:
433      - get rid of three more exchanges seaice_calc_viscosities (required
434        different loop boundaries in seaice_lsr and seaice_ocean_stress)
435      - bug fix in seaice_ocean_stress (update of lab_sea required)
436      - reduce loop boundaries to necessary minimum also in seaice_evp
437      - go back to the old way of computing deltaC/Z as the adjoint likes that
438        better
439    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
440      passive tracer to an Age Tracer) + update output.txt
441    o pkg/exf:
442      - implement A-grid / C-grid selection for wind-stress input files.
443      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
444      for now, in exf_bulk_largeyeager04.F only :
445      - change implementation for case where windspeed + 2. components wind-stress
446        are read-in. AND use rhoConstFresh to convert evap.
447    o pkg/seaice:
448      - use correct EXCH_UV for wind-forcing (on A-grid).
449      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
450        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
451    o pkg/exf:
452      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
453      EXF_INTERPOLATION:
454      - merge global_with_exf/code version of exf_interp_read.F
455        to the main code ;
456      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
457        reading the file ; Important: This options needs to be defined to recover
458        previous code.
459        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
460      - no longer loose real*8 precision along the way when using exf_iprec=64.
461    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
462      - change discretisation of evp-solver in order to avoid another exchange
463        (changes lab_sea) and clean up a little
464      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
465        help the adjoint (this also changes the results slightly)
466      - add a few "_d 0" where they had been missing in seaice_evp.F
467      - cleaning up: remove unused seaice_calc_rhs.F
468    o pkg/exf: some cleaning-up:
469      - change various "constants" into runtime parameters
470      - cleaned-up Large&Yeager04 routine which should eventually
471        replace exf_bulkformulae.F (changed names of S/R and CPP)
472        and merged various ALLOW_ATM_WIND options
473     only used with thsice pkg (in thsice_get_exf.F):
474      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
475        which are used when useStabilityFct_overIce=TRUE (= the default)
476      - change default values of ice & snow emissivity and scale downward LW
477        by ice & snow emissivity.
478    o pkg/thsice:
479     fix few little problems, in thsice_calc_thickn.F:
480      - growth vertically (and not laterally) if iceFrac == iceMaskMax
481      - melt only laterally if hIce < hThinIce (as the comments say)
482      and in thsice_extend.F:
483      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
484      - start to form ice as soon as the minimum ice-volume is reachable.
485     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
486      and cpl_aim+ocn
487    o pkg/kpp
488     - move computation of surface related input fields to KPP into a new
489       subroutine kpp_forcing_surf.F
490     - remove wrong (within bi,bj loops) EXCH calls.
491     - little cleaning (add argument myThid in last position, cvs header ...)
492     - for now, fix conservation problem by exchanging KPPviscAz (may not
493       be the best fix)
494    o pkg/seaice
495     - check for inconsistent evp parameter/cpp-flag combination
496     - remove leftover errIO flat for obsolete name list error handling
497    o OpenAD
498     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
499    
500    checkpoint59a
501    o pkg/seaice: some parameter clarifications and a little bit of clean up
502    o pkg/thsice: rename run-time parameters:
503       himin       -> hIceMin
504       himin0      -> hThinIce
505       hihig       -> hThickIce
506       i0          -> i0swFrac
507       transCoef   -> bMeltCoef
508       frac_energy -> fracMelting
509      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
510       with default values (for now) that do not change the results.
511      remove old version of thsice vars advection in pkg/seaice.
512    o in FFIELDS.h:
513      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
514      - make pLoad & sIceLoad always available (but still only used if
515         ATMOSPHERIC_LOADING is #define).
516    o pkg/kpp: replaced _KPP_RL with _RL
517    o bug fixes for vertical diffusivity computations when both KPP and
518        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
519        are no longer updating the vertical diffusivity array
520        (passed as argument) but are (re-) setting those arrays.
521    o pkg/seaice: fix bug in evp solver, while doing that
522      - change (improve?) discretization of stress computations for both
523        cgrid-lsr and evp solver
524      - add a new routine to compute strain rates
525      - the above changes lab_sea results
526      - add no slip conditions for evp solver (off by default), lsr-version
527        may follow
528      - fix exchange for shear at Z-points (does not change lab_sea)
529      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
530        (to force the user to pick a time step since there is not "safe" way
531        of choosing it)
532      - add principal stress diagnostics
533      - rearrange fields for evp a little to avoid having to call a: too many
534        exchanges and b: exchanges for stress trensor components which we do
535        not have.
536      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
537        of evp, complete rewrite for lsr case (latter is does not yet work
538        in all cases)
539    o pkg/kpp: add code to have mixing in shelf ice caverns
540      - add myThid to all kpp routines (long overdue)
541    
542    checkpoint59
543    o pkg/exf:
544      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
545        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
546      - move exf header files from lower_case.h to UPPER_CASE.h ;
547        add missing cvs Header & Name
548      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
549      - add namelist param. selectStressGridPosition, exf_monFreq
550      - retire many _CLIM routines, and remove data.exf_clim
551        + params moved to data.exf
552        + climsst, climsss now handled by exf_set_gen, i.e.
553          climss?period=0 refers to constant field,
554          climss?period=-12 to monthly forcing
555      - split up namelists in data.exf
556    o pkg/seaice:
557      - remove seaice_exch and seaice_exch_uv
558      - remove superfluous exchange of theta
559      - add myThid to seaice_budget_ocean/ice
560      - add new interface for atmospheric wind forcing (C-grid only)
561        + new routine
562        + two new field (taux, tauy for stress over ice)
563        + removed one global field (DAIRN) for C-grid case only
564    o pkg/thsise
565      - 2nd set of modifs for thsice adjoint in conjunction with exf
566    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
567    
568    checkpoint58y_post
569    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
570      vertical diffusivity, similar to that in MOM4; turned on using
571      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
572      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
573    o Added capability for 3D specification of background vertical diffusion
574      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
575      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
576      "data" file that contains the 3D vertical diffusivity coefficients.
577    o ice dynamics (pkg/seaice) with thsice thermodynamics:
578      - add code within pkg thsice to advect & diffuse sea-ice fields
579      similar to (and will replace) what has been added in  seaice_advdiff.F,
580      but: - conserving Mass, Heat & Salt.
581           - better when using non-linear advection scheme (not yet fully tested)
582           - can also be used in atmospheric set-up (for now, only the diffusion).
583    
584    checkpoint58x_post
585    o IO option for global-file compact format:
586      - add options when generating topology (utils/exch2/matlab-topology-generator)
587      - add I/O capability (pkg/mdsio).
588      - adapt utils/matlab/rdmds.m to read this format.
589      for now long-line format not yet supported by pkg/mdsio (& exch2).
590    o shelfice: add a few diagnostics
591    
592    checkpoint58w_post
593    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
594      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
595      (and replace horiVertRatio in NH code).
596      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
597                         and tutorial_plume_on_slope (sensitive to truncation)
598    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
599      directly to drive seaice model (C-grid only)
600    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
601     - reintroduce computation of wind from stress,
602     - compute tau (in exf_bulkformulae.F) from windstress averaged to
603       mass points to avoid tau = 0
604     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
605    o rdmnc.m: make it work with "global" files created with gluemnc
606    o rdmnc.m : some improvements in dealing with singleton dimension
607      (tested on all testreport mnc output files).
608    o genmake2: disable pkg/profiles if netcdf test fails.
609    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
610    o move call to cal_readparms up to make calendar parameters/variable available
611      to all packages
612    
613    checkpoint58v_post
614    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
615      useDynP_inEos_Zc tested.
616    o pkg/exf: changes to properly interpolate/mask/scale initial fields
617    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
618      and portions thereof.  See read_cs.txt for description and examples.
619    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
620      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
621      following the great-circle arc between those 2 points.
622    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
623      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
624    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
625     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
626     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
627     - still needs work (not working with some options ; efficiency to improve)
628       and serious testing.
629     - use this scheme for temperature & salinity in 2 advection test exp.:
630       advect_xy & advect_xz, respectively.
631    
632  checkpoint58u_post  checkpoint58u_post
633  o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.  o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
634  o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.  o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.

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