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revision 1.769 by dimitri, Wed Feb 7 17:38:11 2007 UTC revision 1.957 by mlosch, Wed Feb 13 07:43:39 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 genmake2: replace (4 times)
8         make genmake_tc_1.o >> genmake_warnings 2>&1
9      with
10         COMM="$CC $CFLAGS -c genmake_tc_1.c"
11         echo $COMM >> genmake_warnings
12         $COMM >> genmake_warnings 2>&1
13      to make genmake2 always see the value of CC as specified in the optfile.
14    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
15      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
16      - modify verification advect_cs test to test SOM-advection on CS-grid.
17    o pkg/ctrl:
18      - Rewrite of ctrl_map_ini_ecco.F,
19        introducing a generic routine (ctrl_map_ini_gen.F).
20      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
21    
22    checkpoint59n
23    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
24      number in dedicate array "hdiag":
25      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
26        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
27      - many small changes (integer format) for large number of diagnostics
28      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
29        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
30    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
31      usingSphericalGrid, this allows to define the rotated grid coordinates
32      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
33      geographical coordinates according to the inverse of the rotation defined
34      by the Euler angles, so that Coriolis parameter and online-interpolation by
35      exf works with the geographical coordinates on XC/YC/XG/YG.
36      Naturally, this feature does not work with all packages, so some
37      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
38      profiles), because there the coordinates are assumed to be regular
39      spherical grid coordinates.
40    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
41      - introduce isopycnal diffusion coefficient control.
42    o tools/adjoint_options:
43      - additional control vector components.
44    o pkg/mnc: have mnc create marginally meaning full coordinate variables
45      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
46    o pkg/mypackage:
47      - add example of read/write pickup for state-var ;
48      - add entry points to the main code for state-vars diags & write-pickup.
49    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
50      transitions for useExfYearlyFields
51      - add new subroutine that determines the file to read from for
52        use*YearlyFields = .TRUE. and .FALSE.
53      - add a verification experiment to global_with_exf that tests
54        useExfYearlyFields with USE_EXF_INTERPOLATION defined
55    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
56      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
57      subroutines (which could be generated from a template, because they are
58      almost identical), for now they are included in obcs_prescribe_read.F for
59      simplicity
60    o pkg/exf:
61      - add a little more diagnostic to exf_interp_read (in analogy to
62        mds_read_field, can be turned off with debugLevel < debugLevA=1)
63      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
64        ugly but fast by unrolling short inner loops, inserting a unroll=8
65        directive in routine lagran, and splitting a loop and making do while the
66        outermost loop (the latter requires the intoduction of index arrays)
67    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
68    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
69      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
70    o verification/seaice_obcs: updated for restart test and latest options
71    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
72      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
73      for now this is only available for the C-grid code and also within
74      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
75    
76    checkpoint59m
77    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
78      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
79    o gad_som : fix flux output (& diagnostics) to have same units as other  
80      advection scheme fluxes (was previously multiplied by deltaT).  
81    o added verification/seaice_obcs both to test seaice open boundaries
82      and to provide an example matlab scrpt for generating them
83    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
84    o pkg/salt_plume: clean up salt_plume_frac.F to
85      remove redundancy in PlumeMethod 1 and 4
86    o pkg/kpp: added saltplume diagnostics
87    o pkg/obcs and pkg/seaice:
88      - do not set uice and vice to zero when OB*icefile are unspecified
89      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
90      - moved seaice tracer obcs after call to seaice_growth
91    o pkg/salt_plume: added various options for salt plume depth
92      criterion and for vertical distribution of the salt
93    
94    checkpoint59l
95    o pkg/ptracers: new version of ptracers pickup:
96      read meta file and write only fields which are needed to restart.
97      ( same logic as main pickup file ; also using pickupStrictlyMatch )
98    o pkg/seaice:
99      - add timescale for melting due to warm mixed layer as a means of
100        setting SEAICE_availHeatFrac more conveniently
101      - add a CPP-flag/runtime parameter check for flooding algorithm
102      - reformulated availHeat in seaice_growth.F to be independent of AREA
103    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
104      unit changes
105    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
106    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
107      SX vector computer.
108    o pkg/seaice:
109      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
110        seaice forcing fields can now be read only through pkg/exf
111      - removed some unused halos
112    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
113    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
114      or U/VICE from U/VWIND before computing U/VSTRESS
115    
116    checkpoint59k
117    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
118      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
119    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
120      all experiments pass when compile with un-initialised var. checking option.
121    o added pkg/salt_plume
122    o script to test restart (for now, in MITgcm_contrib/jmc_script)
123    o pkg/seaice: new read/write pickup version.
124      read meta file and write only fields which are needed to restart.
125      ( same logic as main pickup file ; also using pickupStrictlyMatch )
126    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
127    o lab_sea.hb87: modify the domain & update output.hb87.txt :
128      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
129      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
130      process. Fixed here by closing the domain at the Northern boundary.
131    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
132    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
133      a set of consecutive levels in/from a 3-D array.
134    o pkg/ptracers:
135      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
136      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
137    
138    checkpoint59j
139    o in pkgs: dic, obcs, offline, rbcs:
140      standard way to compute coeff. for time interpolation between 2 time reccords
141      which retains full precision (& make results less dependent on compiler).
142      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
143    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
144      packages instead of reading ice cover and wind speed separately
145    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
146     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
147      to allow to compile customized code before the update)
148    o cleaning-up:
149      - fix CPP instruction syntax in pkg/obcs
150      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
151        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
152      - fix some threads issue in IO parts.
153    o pkg/dic:
154      - add tons of "_d 0" (--> much better testreports !)
155       and then update outputs of tutorial_global_oce_biogeo
156    o pkg/mom_fluxform:
157      add a special version of momentum advection intended to conserve momentum
158      next to a bathymetry step or a coastline edge. (default = off = #undef)
159    o new read/write pickup version:
160      - for now, only implemented for main (mdsio) pickup file.
161      - write out only what is needed to restart; merge pickup_nh , pickup_ph
162        and main pickup together.
163      - read meta file; read only what is needed to restart; stop if a field
164        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
165        if it make sense (even if the restart is not perfect).
166      - if no meta file, assume that pickup to read corresponds exactly to
167        a pickup that would currently be written.
168      - read pickup written in the old format (until checkpoint59i) if it
169        recognizes an old meta file (no field-list).
170      - add a meta file in exp. which starts from a pickup: 2 cases:
171        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
172         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
173        b) a meta file describing the content of the associated pickup file
174         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
175    o pkg/mdsio & pkg/rw:
176      - new routine to read a meta file ; new set of routine to read
177        Multiple-fields file (with meta file).
178    o added open boundary conditions capability for seaice
179        HSNOW, HSALT, UICE, and VICE
180    
181    checkpoint59i
182    o adjoint:
183      * fix multiDimAdvection adjoint
184        (partial recomputation problem by TAF for fVerT(:,:,kDown)
185        and comlev1 size definition (maxpass vs. max. number of tracers)
186      * verification/global_ocean.90x45x15 adjoint now tests
187        NLFS and multiDimAdvection using DST3 (=30)
188      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
189    o pkg/kpp: add "_d 0" to real constant (if missing);
190      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
191      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
192    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
193      for internal parameters related to restart process (formerly from PARAMS.h)
194      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
195    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
196      as argument. (only atm2d & obcs write_pickup have not yet been updated)
197    o pkg/monitor:
198      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
199      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
200      - account for deep Atmosphere factor and density factor (anelastic)
201    o added open boundary conditions capability for seaice HEFF and AREA
202    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
203      thermodynamics
204      - requires a little reorganization, which affects the testreport results
205        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
206        so that now the conservative form is tested
207      - add a few comments
208    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
209    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
210    o add new diagnostics to seaice: advective, diffusive fluxes (only for
211      multidim-advection, for scheme 2 they are not filled) and transports,
212      thermodynamic growth rates
213    o change units of EmPmR (inside the code, + within coupling interface)
214      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
215      Affects results @ truncation level (cg2d match) and update output of
216       experiments: lab_sea(6), global_ocean.90x40x15(10),
217      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
218      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
219      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
220      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
221    
222    checkpoint59h
223    o pkg/exf:
224      - improve vectorization by moving if-statement out of loops in
225        exf_mapfields, exf_radiation
226      - exf_bulkformulae.F: introduce 2D fields and vectorize code
227    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
228    o testreport:
229      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
230        monitor & update offline_exf_seaice exp. output.
231      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
232    o pkg/seaice:
233      - bug fix in the evp solver: boundary conditions were affected be
234        masking of zMax/zMin (changes results)
235      - minor bug fix in boundary conditions in seaice_calc_strainrates
236        (changes results for no_slip)
237      - seaice_lsr.F: make interpolation of eta dependent on boundaries
238      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
239      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
240        stress formulation and no-slip boundary conditions
241    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
242      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
243    o pkg/seaice: a first HSALT time stepping equation has been checked in
244    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
245      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
246      without requiring DO-IF statements
247    o pkg/thsice:
248      use continuous power-law function for partition of energy between lateral
249      melting/freezing and thinning/thickening ; old code using step function
250      still available with #undef THSICE_FRACEN_POWERLAW
251      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
252    o testreport: change AD testing : check against results/output_adm.txt
253      using same scripts as for forward test.
254    
255    checkpoint59g
256    o adjoint testing: in preparation for changing testreport:
257      - output format: cost and grad written on separated lines
258      - ad output results in directory "results" (instead of "results_ad")
259    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
260    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
261    o pkg/ecco: allow user defined cost function contributions
262    o testreport:
263      Allow to choose (per experiment) the list of tested output variables
264       and the main variable (used to issue a pass/FAIL ) ;
265      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
266      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
267      Also modify printing of summary:
268       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
269       b) echo the list of tested variables in the individual summary.txt of
270          each experiment.
271    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
272      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
273      (but still depend on the tile decompostion of the domain).
274    o pkg/seaice: change a discretization detail to make the B-grid code
275      "more symmetric". This change is likely to remove all "ridges/leads" that
276      where quasi-aligned with the grid in B-grid solutions. It may also be
277      the solution to the stress coupling issues with the B-grid.
278    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
279      remove .cvsignore from input dir. (since testreport no longer run here).
280    o pkg/thsice:
281     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
282     - fix reshaping of sea-ice just after advection:
283       melt all the ice only if ice-volume is too small.
284     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
285       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
286     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
287    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
288      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
289    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
290      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
291      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
292      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
293      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
294      -> update output.txt
295    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
296     this affects truncation error: -> update output.txt of exp:
297      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
298      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
299    
300    checkpoint59f
301    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
302    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
303      a bounded range (in forward mode)
304    o pkg/ecco, ctrl, autodiff and mom_common:
305     internal parameter controls, completements of implementations
306    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
307    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
308      (not seem any difference in testing results).
309    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
310       at face corners.
311    o pkg/generic_advdiff:
312     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
313      loop range indices for computing vertical advection tendency
314      and do the calculation in the interior only (no overlap) ;
315      for now, only implemented for SOM advection (to save CPU time).
316     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
317    o exch2 adjoint
318      First set of changes:
319      - add exch2 hand-written adjoint templates
320      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
321        This will require cleanup in pkg/autodiff/*.F
322        (changed routines currently kept separate in verif. code/)
323      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
324        that used to hide exch2 or cubed-sphere specific code
325        (commented via 'cph-exch2')
326    o pkg/seaice
327      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
328    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
329       output of global_ocean.cs32x15.thsice .
330    
331    checkpoint59e
332    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
333      for B-grid vector (not yet tested) and C-grid vector (<- only used
334      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
335    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
336      (#ifdef ALLOW_SALT_PLUME)
337    o gather_2d/scatter_2d: removed halo regions
338    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
339      scheme and the corresponding test case (under front_relax dir). For now,
340      only available with Skew-flux form and not yet tested in realistic set-up.
341      adjoint: store directives updated, but gradient checks deteriorated,
342      so maybe GM/Redi adjoint is now broken.
343    o seaice adjoint
344      * add AREA, HEFF, HSNOW as control variable
345        (should not change lab_sea results)
346      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
347    o pkg/seaice:
348      * added computation of saltFlux in seaice_growth;
349        For time being, sea ice salinity is assumed constant
350        contribution of snow flooding to freshening of sea ice is neglected.
351        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
352        defaults to 0.0 in order to maintain backward compatibility.
353        Typical values for SEAICE_salinity are 4 to 10 g/kg.
354      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
355      * added SEAICE_availHeatFrac, which specifies fraction of surface level
356        heat content used to melt or grow ice
357      * commented out cap of HICE: it helps keep ice thinner
358      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
359      * applied OBCS T/S mask to HEFFM sea ice mask
360    
361    checkpoint59d
362    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
363     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
364     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
365    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
366     and change default value of parameter "GM_Small_Number";
367     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
368       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
369       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
370    o pkg/ecco: cost function when applying pkg/smooth to controls
371    o pkg/ctrl: add forcingPrecond run time parameter
372    o pkg/seaice:
373     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
374     - fix bug in metric terms of u-equation in LSR solver (implicit part),
375       changes verification/lab_sea
376     - rearrange implicit part of u-equation in LSR solver to make it easier to
377       read, understand, and debug. This causes changes at the truncation level.
378     - fix (serious) bug in the boundary conditions (sign error in the implicit
379       part) of the LSR solver. Changes all LSR results.
380     - fixed problem with HSNOW initialization to avoid thick snow when AREA
381       is initilized with small values - does not change lab_sea results.
382     - added HsnowFile initialization capability
383    o pkg/smooth: addition to model/src and pkg/ctrl so allow
384     initialization of pkg/smooth and application to control vector
385    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
386    o dependencies: pkg/profiles requires pkg/cal
387    o pkg/profiles:
388     - added option ALLOW_PROFILES_GENERICGRID
389         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
390         that interpolation information (grid points and coefficients) is provided
391         within the netcdf input files.
392         -> sample matlab scripts can be found in MITgcm_contrib/gael
393         that allow you to prepare netcdf input files.
394     - also modified: cleaner include statements, cleaner error print statements,
395       cleaner stops when error, and more tests of the netcdf input files consistency.
396    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
397    o pkg/seaice:
398     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
399       requires a new routine: seaice_diagnostics_fill.F
400     - make sure that seaice does not move if not forced (pressure replacement
401       method, Hibler and Ip, 1995), changes results
402     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
403     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
404       It is turned off by default (=-1.), because it changes the results.
405     - make it possible to read AREA from a file, too.
406    
407    checkpoint59c
408    o add S/R and diagnostics for oceanic mixed-layer depth
409    o move GMRedi call after all vertical mixing schemes (including KPP)
410    o pkg/thsice:
411     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
412      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
413    o pkg/obcs:
414     - bug fix for balance code
415    o pkg/seaice:
416      - allow values of SEAICE_elasticParm > 1
417      - add new parameter SEAICE_evpTauRelax as an alternative
418        to SEAICE_elasticParm
419      - make lsr boundary conditions free slip (by default), changes result
420      - add code for no slip boundary conditions for lsr
421      - set minimum of zeta to zero (and not 4e8) (changes results)
422      - add a cap on AREA after advecting AREA if seaice_growth is not called
423    o change calculation of Visbeck K:
424      - no longer depend on tapering scheme; instead, compute slope (limited
425        by GM_maxSlope). this is equivalent to what was comuted before with
426        clipping or linear tappering.
427      - fix vertical averaging (wrong by 1/2 level)
428      - leave the old version (but will not be maintained) within
429        #ifdef OLD_VISBECK_CALC / #endif
430      - update output of exp. ideal_2D_oce
431    o change error catch in calc_r_star to improve vectorization
432    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
433      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
434    o adjoint:
435      Re-organized adjoint checkpointing according to Matt Mazloff
436      (but with modifs/completions/cleanups)
437      Storing is now bundled into large arrays to optimized I/O
438      (and second step in cleanup of the_main_loop)
439    
440    checkpoint59b
441    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
442      - export/import (between ocean & coupler) fields needed for ocean DIC.
443    o pkg/seaice:
444      - get rid of three more exchanges seaice_calc_viscosities (required
445        different loop boundaries in seaice_lsr and seaice_ocean_stress)
446      - bug fix in seaice_ocean_stress (update of lab_sea required)
447      - reduce loop boundaries to necessary minimum also in seaice_evp
448      - go back to the old way of computing deltaC/Z as the adjoint likes that
449        better
450    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
451      passive tracer to an Age Tracer) + update output.txt
452    o pkg/exf:
453      - implement A-grid / C-grid selection for wind-stress input files.
454      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
455      for now, in exf_bulk_largeyeager04.F only :
456      - change implementation for case where windspeed + 2. components wind-stress
457        are read-in. AND use rhoConstFresh to convert evap.
458    o pkg/seaice:
459      - use correct EXCH_UV for wind-forcing (on A-grid).
460      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
461        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
462    o pkg/exf:
463      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
464      EXF_INTERPOLATION:
465      - merge global_with_exf/code version of exf_interp_read.F
466        to the main code ;
467      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
468        reading the file ; Important: This options needs to be defined to recover
469        previous code.
470        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
471      - no longer loose real*8 precision along the way when using exf_iprec=64.
472    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
473      - change discretisation of evp-solver in order to avoid another exchange
474        (changes lab_sea) and clean up a little
475      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
476        help the adjoint (this also changes the results slightly)
477      - add a few "_d 0" where they had been missing in seaice_evp.F
478      - cleaning up: remove unused seaice_calc_rhs.F
479    o pkg/exf: some cleaning-up:
480      - change various "constants" into runtime parameters
481      - cleaned-up Large&Yeager04 routine which should eventually
482        replace exf_bulkformulae.F (changed names of S/R and CPP)
483        and merged various ALLOW_ATM_WIND options
484     only used with thsice pkg (in thsice_get_exf.F):
485      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
486        which are used when useStabilityFct_overIce=TRUE (= the default)
487      - change default values of ice & snow emissivity and scale downward LW
488        by ice & snow emissivity.
489    o pkg/thsice:
490     fix few little problems, in thsice_calc_thickn.F:
491      - growth vertically (and not laterally) if iceFrac == iceMaskMax
492      - melt only laterally if hIce < hThinIce (as the comments say)
493      and in thsice_extend.F:
494      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
495      - start to form ice as soon as the minimum ice-volume is reachable.
496     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
497      and cpl_aim+ocn
498    o pkg/kpp
499     - move computation of surface related input fields to KPP into a new
500       subroutine kpp_forcing_surf.F
501     - remove wrong (within bi,bj loops) EXCH calls.
502     - little cleaning (add argument myThid in last position, cvs header ...)
503     - for now, fix conservation problem by exchanging KPPviscAz (may not
504       be the best fix)
505    o pkg/seaice
506     - check for inconsistent evp parameter/cpp-flag combination
507     - remove leftover errIO flat for obsolete name list error handling
508    o OpenAD
509     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
510    
511    checkpoint59a
512    o pkg/seaice: some parameter clarifications and a little bit of clean up
513    o pkg/thsice: rename run-time parameters:
514       himin       -> hIceMin
515       himin0      -> hThinIce
516       hihig       -> hThickIce
517       i0          -> i0swFrac
518       transCoef   -> bMeltCoef
519       frac_energy -> fracMelting
520      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
521       with default values (for now) that do not change the results.
522      remove old version of thsice vars advection in pkg/seaice.
523    o in FFIELDS.h:
524      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
525      - make pLoad & sIceLoad always available (but still only used if
526         ATMOSPHERIC_LOADING is #define).
527    o pkg/kpp: replaced _KPP_RL with _RL
528    o bug fixes for vertical diffusivity computations when both KPP and
529        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
530        are no longer updating the vertical diffusivity array
531        (passed as argument) but are (re-) setting those arrays.
532    o pkg/seaice: fix bug in evp solver, while doing that
533      - change (improve?) discretization of stress computations for both
534        cgrid-lsr and evp solver
535      - add a new routine to compute strain rates
536      - the above changes lab_sea results
537      - add no slip conditions for evp solver (off by default), lsr-version
538        may follow
539      - fix exchange for shear at Z-points (does not change lab_sea)
540      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
541        (to force the user to pick a time step since there is not "safe" way
542        of choosing it)
543      - add principal stress diagnostics
544      - rearrange fields for evp a little to avoid having to call a: too many
545        exchanges and b: exchanges for stress trensor components which we do
546        not have.
547      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
548        of evp, complete rewrite for lsr case (latter is does not yet work
549        in all cases)
550    o pkg/kpp: add code to have mixing in shelf ice caverns
551      - add myThid to all kpp routines (long overdue)
552    
553    checkpoint59
554    o pkg/exf:
555      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
556        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
557      - move exf header files from lower_case.h to UPPER_CASE.h ;
558        add missing cvs Header & Name
559      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
560      - add namelist param. selectStressGridPosition, exf_monFreq
561      - retire many _CLIM routines, and remove data.exf_clim
562        + params moved to data.exf
563        + climsst, climsss now handled by exf_set_gen, i.e.
564          climss?period=0 refers to constant field,
565          climss?period=-12 to monthly forcing
566      - split up namelists in data.exf
567    o pkg/seaice:
568      - remove seaice_exch and seaice_exch_uv
569      - remove superfluous exchange of theta
570      - add myThid to seaice_budget_ocean/ice
571      - add new interface for atmospheric wind forcing (C-grid only)
572        + new routine
573        + two new field (taux, tauy for stress over ice)
574        + removed one global field (DAIRN) for C-grid case only
575    o pkg/thsise
576      - 2nd set of modifs for thsice adjoint in conjunction with exf
577    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
578    
579    checkpoint58y_post
580    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
581      vertical diffusivity, similar to that in MOM4; turned on using
582      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
583      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
584    o Added capability for 3D specification of background vertical diffusion
585      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
586      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
587      "data" file that contains the 3D vertical diffusivity coefficients.
588    o ice dynamics (pkg/seaice) with thsice thermodynamics:
589      - add code within pkg thsice to advect & diffuse sea-ice fields
590      similar to (and will replace) what has been added in  seaice_advdiff.F,
591      but: - conserving Mass, Heat & Salt.
592           - better when using non-linear advection scheme (not yet fully tested)
593           - can also be used in atmospheric set-up (for now, only the diffusion).
594    
595    checkpoint58x_post
596    o IO option for global-file compact format:
597      - add options when generating topology (utils/exch2/matlab-topology-generator)
598      - add I/O capability (pkg/mdsio).
599      - adapt utils/matlab/rdmds.m to read this format.
600      for now long-line format not yet supported by pkg/mdsio (& exch2).
601    o shelfice: add a few diagnostics
602    
603    checkpoint58w_post
604    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
605      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
606      (and replace horiVertRatio in NH code).
607      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
608                         and tutorial_plume_on_slope (sensitive to truncation)
609    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
610      directly to drive seaice model (C-grid only)
611    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
612     - reintroduce computation of wind from stress,
613     - compute tau (in exf_bulkformulae.F) from windstress averaged to
614       mass points to avoid tau = 0
615     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
616    o rdmnc.m: make it work with "global" files created with gluemnc
617    o rdmnc.m : some improvements in dealing with singleton dimension
618      (tested on all testreport mnc output files).
619    o genmake2: disable pkg/profiles if netcdf test fails.
620    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
621    o move call to cal_readparms up to make calendar parameters/variable available
622      to all packages
623    
624    checkpoint58v_post
625    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
626      useDynP_inEos_Zc tested.
627  o pkg/exf: changes to properly interpolate/mask/scale initial fields  o pkg/exf: changes to properly interpolate/mask/scale initial fields
628  o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields  o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
629    and portions thereof.  See read_cs.txt for description and examples.    and portions thereof.  See read_cs.txt for description and examples.

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