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revision 1.770 by jmc, Thu Feb 8 00:12:37 2007 UTC revision 1.953 by jmc, Tue Feb 5 15:49:01 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/diagnostics: for large number of diagnostics, store diagnostic mate
8      number in dedicate array "hdiag":
9      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
10        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
11      - many small changes (integer format) for large number of diagnostics
12      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
13        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
14    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
15      usingSphericalGrid, this allows to define the rotated grid coordinates
16      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
17      geographical coordinates according to the inverse of the rotation defined
18      by the Euler angles, so that Coriolis parameter and online-interpolation by
19      exf works with the geographical coordinates on XC/YC/XG/YG.
20      Naturally, this feature does not work with all packages, so some
21      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
22      profiles), because there the coordinates are assumed to be regular
23      spherical grid coordinates.
24    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
25      - introduce isopycnal diffusion coefficient control.
26    o tools/adjoint_options:
27      - additional control vector components.
28    o pkg/mnc: have mnc create marginally meaning full coordinate variables
29      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
30    o pkg/mypackage:
31      - add example of read/write pickup for state-var ;
32      - add entry points to the main code for state-vars diags & write-pickup.
33    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
34      transitions for useExfYearlyFields
35      - add new subroutine that determines the file to read from for
36        use*YearlyFields = .TRUE. and .FALSE.
37      - add a verification experiment to global_with_exf that tests
38        useExfYearlyFields with USE_EXF_INTERPOLATION defined
39    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
40      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
41      subroutines (which could be generated from a template, because they are
42      almost identical), for now they are included in obcs_prescribe_read.F for
43      simplicity
44    o pkg/exf:
45      - add a little more diagnostic to exf_interp_read (in analogy to
46        mds_read_field, can be turned off with debugLevel < debugLevA=1)
47      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
48        ugly but fast by unrolling short inner loops, inserting a unroll=8
49        directive in routine lagran, and splitting a loop and making do while the
50        outermost loop (the latter requires the intoduction of index arrays)
51    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
52    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
53      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
54    o verification/seaice_obcs: updated for restart test and latest options
55    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
56      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
57      for now this is only available for the C-grid code and also within
58      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
59    
60    checkpoint59m
61    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
62      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
63    o gad_som : fix flux output (& diagnostics) to have same units as other  
64      advection scheme fluxes (was previously multiplied by deltaT).  
65    o added verification/seaice_obcs both to test seaice open boundaries
66      and to provide an example matlab scrpt for generating them
67    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
68    o pkg/salt_plume: clean up salt_plume_frac.F to
69      remove redundancy in PlumeMethod 1 and 4
70    o pkg/kpp: added saltplume diagnostics
71    o pkg/obcs and pkg/seaice:
72      - do not set uice and vice to zero when OB*icefile are unspecified
73      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
74      - moved seaice tracer obcs after call to seaice_growth
75    o pkg/salt_plume: added various options for salt plume depth
76      criterion and for vertical distribution of the salt
77    
78    checkpoint59l
79    o pkg/ptracers: new version of ptracers pickup:
80      read meta file and write only fields which are needed to restart.
81      ( same logic as main pickup file ; also using pickupStrictlyMatch )
82    o pkg/seaice:
83      - add timescale for melting due to warm mixed layer as a means of
84        setting SEAICE_availHeatFrac more conveniently
85      - add a CPP-flag/runtime parameter check for flooding algorithm
86      - reformulated availHeat in seaice_growth.F to be independent of AREA
87    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
88      unit changes
89    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
90    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
91      SX vector computer.
92    o pkg/seaice:
93      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
94        seaice forcing fields can now be read only through pkg/exf
95      - removed some unused halos
96    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
97    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
98      or U/VICE from U/VWIND before computing U/VSTRESS
99    
100    checkpoint59k
101    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
102      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
103    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
104      all experiments pass when compile with un-initialised var. checking option.
105    o added pkg/salt_plume
106    o script to test restart (for now, in MITgcm_contrib/jmc_script)
107    o pkg/seaice: new read/write pickup version.
108      read meta file and write only fields which are needed to restart.
109      ( same logic as main pickup file ; also using pickupStrictlyMatch )
110    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
111    o lab_sea.hb87: modify the domain & update output.hb87.txt :
112      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
113      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
114      process. Fixed here by closing the domain at the Northern boundary.
115    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
116    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
117      a set of consecutive levels in/from a 3-D array.
118    o pkg/ptracers:
119      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
120      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
121    
122    checkpoint59j
123    o in pkgs: dic, obcs, offline, rbcs:
124      standard way to compute coeff. for time interpolation between 2 time reccords
125      which retains full precision (& make results less dependent on compiler).
126      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
127    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
128      packages instead of reading ice cover and wind speed separately
129    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
130     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
131      to allow to compile customized code before the update)
132    o cleaning-up:
133      - fix CPP instruction syntax in pkg/obcs
134      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
135        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
136      - fix some threads issue in IO parts.
137    o pkg/dic:
138      - add tons of "_d 0" (--> much better testreports !)
139       and then update outputs of tutorial_global_oce_biogeo
140    o pkg/mom_fluxform:
141      add a special version of momentum advection intended to conserve momentum
142      next to a bathymetry step or a coastline edge. (default = off = #undef)
143    o new read/write pickup version:
144      - for now, only implemented for main (mdsio) pickup file.
145      - write out only what is needed to restart; merge pickup_nh , pickup_ph
146        and main pickup together.
147      - read meta file; read only what is needed to restart; stop if a field
148        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
149        if it make sense (even if the restart is not perfect).
150      - if no meta file, assume that pickup to read corresponds exactly to
151        a pickup that would currently be written.
152      - read pickup written in the old format (until checkpoint59i) if it
153        recognizes an old meta file (no field-list).
154      - add a meta file in exp. which starts from a pickup: 2 cases:
155        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
156         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
157        b) a meta file describing the content of the associated pickup file
158         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
159    o pkg/mdsio & pkg/rw:
160      - new routine to read a meta file ; new set of routine to read
161        Multiple-fields file (with meta file).
162    o added open boundary conditions capability for seaice
163        HSNOW, HSALT, UICE, and VICE
164    
165    checkpoint59i
166    o adjoint:
167      * fix multiDimAdvection adjoint
168        (partial recomputation problem by TAF for fVerT(:,:,kDown)
169        and comlev1 size definition (maxpass vs. max. number of tracers)
170      * verification/global_ocean.90x45x15 adjoint now tests
171        NLFS and multiDimAdvection using DST3 (=30)
172      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
173    o pkg/kpp: add "_d 0" to real constant (if missing);
174      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
175      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
176    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
177      for internal parameters related to restart process (formerly from PARAMS.h)
178      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
179    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
180      as argument. (only atm2d & obcs write_pickup have not yet been updated)
181    o pkg/monitor:
182      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
183      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
184      - account for deep Atmosphere factor and density factor (anelastic)
185    o added open boundary conditions capability for seaice HEFF and AREA
186    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
187      thermodynamics
188      - requires a little reorganization, which affects the testreport results
189        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
190        so that now the conservative form is tested
191      - add a few comments
192    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
193    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
194    o add new diagnostics to seaice: advective, diffusive fluxes (only for
195      multidim-advection, for scheme 2 they are not filled) and transports,
196      thermodynamic growth rates
197    o change units of EmPmR (inside the code, + within coupling interface)
198      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
199      Affects results @ truncation level (cg2d match) and update output of
200       experiments: lab_sea(6), global_ocean.90x40x15(10),
201      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
202      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
203      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
204      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
205    
206    checkpoint59h
207    o pkg/exf:
208      - improve vectorization by moving if-statement out of loops in
209        exf_mapfields, exf_radiation
210      - exf_bulkformulae.F: introduce 2D fields and vectorize code
211    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
212    o testreport:
213      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
214        monitor & update offline_exf_seaice exp. output.
215      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
216    o pkg/seaice:
217      - bug fix in the evp solver: boundary conditions were affected be
218        masking of zMax/zMin (changes results)
219      - minor bug fix in boundary conditions in seaice_calc_strainrates
220        (changes results for no_slip)
221      - seaice_lsr.F: make interpolation of eta dependent on boundaries
222      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
223      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
224        stress formulation and no-slip boundary conditions
225    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
226      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
227    o pkg/seaice: a first HSALT time stepping equation has been checked in
228    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
229      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
230      without requiring DO-IF statements
231    o pkg/thsice:
232      use continuous power-law function for partition of energy between lateral
233      melting/freezing and thinning/thickening ; old code using step function
234      still available with #undef THSICE_FRACEN_POWERLAW
235      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
236    o testreport: change AD testing : check against results/output_adm.txt
237      using same scripts as for forward test.
238    
239    checkpoint59g
240    o adjoint testing: in preparation for changing testreport:
241      - output format: cost and grad written on separated lines
242      - ad output results in directory "results" (instead of "results_ad")
243    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
244    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
245    o pkg/ecco: allow user defined cost function contributions
246    o testreport:
247      Allow to choose (per experiment) the list of tested output variables
248       and the main variable (used to issue a pass/FAIL ) ;
249      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
250      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
251      Also modify printing of summary:
252       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
253       b) echo the list of tested variables in the individual summary.txt of
254          each experiment.
255    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
256      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
257      (but still depend on the tile decompostion of the domain).
258    o pkg/seaice: change a discretization detail to make the B-grid code
259      "more symmetric". This change is likely to remove all "ridges/leads" that
260      where quasi-aligned with the grid in B-grid solutions. It may also be
261      the solution to the stress coupling issues with the B-grid.
262    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
263      remove .cvsignore from input dir. (since testreport no longer run here).
264    o pkg/thsice:
265     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
266     - fix reshaping of sea-ice just after advection:
267       melt all the ice only if ice-volume is too small.
268     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
269       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
270     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
271    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
272      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
273    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
274      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
275      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
276      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
277      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
278      -> update output.txt
279    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
280     this affects truncation error: -> update output.txt of exp:
281      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
282      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
283    
284    checkpoint59f
285    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
286    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
287      a bounded range (in forward mode)
288    o pkg/ecco, ctrl, autodiff and mom_common:
289     internal parameter controls, completements of implementations
290    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
291    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
292      (not seem any difference in testing results).
293    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
294       at face corners.
295    o pkg/generic_advdiff:
296     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
297      loop range indices for computing vertical advection tendency
298      and do the calculation in the interior only (no overlap) ;
299      for now, only implemented for SOM advection (to save CPU time).
300     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
301    o exch2 adjoint
302      First set of changes:
303      - add exch2 hand-written adjoint templates
304      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
305        This will require cleanup in pkg/autodiff/*.F
306        (changed routines currently kept separate in verif. code/)
307      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
308        that used to hide exch2 or cubed-sphere specific code
309        (commented via 'cph-exch2')
310    o pkg/seaice
311      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
312    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
313       output of global_ocean.cs32x15.thsice .
314    
315    checkpoint59e
316    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
317      for B-grid vector (not yet tested) and C-grid vector (<- only used
318      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
319    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
320      (#ifdef ALLOW_SALT_PLUME)
321    o gather_2d/scatter_2d: removed halo regions
322    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
323      scheme and the corresponding test case (under front_relax dir). For now,
324      only available with Skew-flux form and not yet tested in realistic set-up.
325      adjoint: store directives updated, but gradient checks deteriorated,
326      so maybe GM/Redi adjoint is now broken.
327    o seaice adjoint
328      * add AREA, HEFF, HSNOW as control variable
329        (should not change lab_sea results)
330      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
331    o pkg/seaice:
332      * added computation of saltFlux in seaice_growth;
333        For time being, sea ice salinity is assumed constant
334        contribution of snow flooding to freshening of sea ice is neglected.
335        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
336        defaults to 0.0 in order to maintain backward compatibility.
337        Typical values for SEAICE_salinity are 4 to 10 g/kg.
338      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
339      * added SEAICE_availHeatFrac, which specifies fraction of surface level
340        heat content used to melt or grow ice
341      * commented out cap of HICE: it helps keep ice thinner
342      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
343      * applied OBCS T/S mask to HEFFM sea ice mask
344    
345    checkpoint59d
346    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
347     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
348     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
349    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
350     and change default value of parameter "GM_Small_Number";
351     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
352       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
353       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
354    o pkg/ecco: cost function when applying pkg/smooth to controls
355    o pkg/ctrl: add forcingPrecond run time parameter
356    o pkg/seaice:
357     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
358     - fix bug in metric terms of u-equation in LSR solver (implicit part),
359       changes verification/lab_sea
360     - rearrange implicit part of u-equation in LSR solver to make it easier to
361       read, understand, and debug. This causes changes at the truncation level.
362     - fix (serious) bug in the boundary conditions (sign error in the implicit
363       part) of the LSR solver. Changes all LSR results.
364     - fixed problem with HSNOW initialization to avoid thick snow when AREA
365       is initilized with small values - does not change lab_sea results.
366     - added HsnowFile initialization capability
367    o pkg/smooth: addition to model/src and pkg/ctrl so allow
368     initialization of pkg/smooth and application to control vector
369    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
370    o dependencies: pkg/profiles requires pkg/cal
371    o pkg/profiles:
372     - added option ALLOW_PROFILES_GENERICGRID
373         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
374         that interpolation information (grid points and coefficients) is provided
375         within the netcdf input files.
376         -> sample matlab scripts can be found in MITgcm_contrib/gael
377         that allow you to prepare netcdf input files.
378     - also modified: cleaner include statements, cleaner error print statements,
379       cleaner stops when error, and more tests of the netcdf input files consistency.
380    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
381    o pkg/seaice:
382     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
383       requires a new routine: seaice_diagnostics_fill.F
384     - make sure that seaice does not move if not forced (pressure replacement
385       method, Hibler and Ip, 1995), changes results
386     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
387     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
388       It is turned off by default (=-1.), because it changes the results.
389     - make it possible to read AREA from a file, too.
390    
391    checkpoint59c
392    o add S/R and diagnostics for oceanic mixed-layer depth
393    o move GMRedi call after all vertical mixing schemes (including KPP)
394    o pkg/thsice:
395     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
396      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
397    o pkg/obcs:
398     - bug fix for balance code
399    o pkg/seaice:
400      - allow values of SEAICE_elasticParm > 1
401      - add new parameter SEAICE_evpTauRelax as an alternative
402        to SEAICE_elasticParm
403      - make lsr boundary conditions free slip (by default), changes result
404      - add code for no slip boundary conditions for lsr
405      - set minimum of zeta to zero (and not 4e8) (changes results)
406      - add a cap on AREA after advecting AREA if seaice_growth is not called
407    o change calculation of Visbeck K:
408      - no longer depend on tapering scheme; instead, compute slope (limited
409        by GM_maxSlope). this is equivalent to what was comuted before with
410        clipping or linear tappering.
411      - fix vertical averaging (wrong by 1/2 level)
412      - leave the old version (but will not be maintained) within
413        #ifdef OLD_VISBECK_CALC / #endif
414      - update output of exp. ideal_2D_oce
415    o change error catch in calc_r_star to improve vectorization
416    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
417      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
418    o adjoint:
419      Re-organized adjoint checkpointing according to Matt Mazloff
420      (but with modifs/completions/cleanups)
421      Storing is now bundled into large arrays to optimized I/O
422      (and second step in cleanup of the_main_loop)
423    
424    checkpoint59b
425    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
426      - export/import (between ocean & coupler) fields needed for ocean DIC.
427    o pkg/seaice:
428      - get rid of three more exchanges seaice_calc_viscosities (required
429        different loop boundaries in seaice_lsr and seaice_ocean_stress)
430      - bug fix in seaice_ocean_stress (update of lab_sea required)
431      - reduce loop boundaries to necessary minimum also in seaice_evp
432      - go back to the old way of computing deltaC/Z as the adjoint likes that
433        better
434    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
435      passive tracer to an Age Tracer) + update output.txt
436    o pkg/exf:
437      - implement A-grid / C-grid selection for wind-stress input files.
438      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
439      for now, in exf_bulk_largeyeager04.F only :
440      - change implementation for case where windspeed + 2. components wind-stress
441        are read-in. AND use rhoConstFresh to convert evap.
442    o pkg/seaice:
443      - use correct EXCH_UV for wind-forcing (on A-grid).
444      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
445        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
446    o pkg/exf:
447      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
448      EXF_INTERPOLATION:
449      - merge global_with_exf/code version of exf_interp_read.F
450        to the main code ;
451      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
452        reading the file ; Important: This options needs to be defined to recover
453        previous code.
454        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
455      - no longer loose real*8 precision along the way when using exf_iprec=64.
456    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
457      - change discretisation of evp-solver in order to avoid another exchange
458        (changes lab_sea) and clean up a little
459      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
460        help the adjoint (this also changes the results slightly)
461      - add a few "_d 0" where they had been missing in seaice_evp.F
462      - cleaning up: remove unused seaice_calc_rhs.F
463    o pkg/exf: some cleaning-up:
464      - change various "constants" into runtime parameters
465      - cleaned-up Large&Yeager04 routine which should eventually
466        replace exf_bulkformulae.F (changed names of S/R and CPP)
467        and merged various ALLOW_ATM_WIND options
468     only used with thsice pkg (in thsice_get_exf.F):
469      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
470        which are used when useStabilityFct_overIce=TRUE (= the default)
471      - change default values of ice & snow emissivity and scale downward LW
472        by ice & snow emissivity.
473    o pkg/thsice:
474     fix few little problems, in thsice_calc_thickn.F:
475      - growth vertically (and not laterally) if iceFrac == iceMaskMax
476      - melt only laterally if hIce < hThinIce (as the comments say)
477      and in thsice_extend.F:
478      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
479      - start to form ice as soon as the minimum ice-volume is reachable.
480     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
481      and cpl_aim+ocn
482    o pkg/kpp
483     - move computation of surface related input fields to KPP into a new
484       subroutine kpp_forcing_surf.F
485     - remove wrong (within bi,bj loops) EXCH calls.
486     - little cleaning (add argument myThid in last position, cvs header ...)
487     - for now, fix conservation problem by exchanging KPPviscAz (may not
488       be the best fix)
489    o pkg/seaice
490     - check for inconsistent evp parameter/cpp-flag combination
491     - remove leftover errIO flat for obsolete name list error handling
492    o OpenAD
493     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
494    
495    checkpoint59a
496    o pkg/seaice: some parameter clarifications and a little bit of clean up
497    o pkg/thsice: rename run-time parameters:
498       himin       -> hIceMin
499       himin0      -> hThinIce
500       hihig       -> hThickIce
501       i0          -> i0swFrac
502       transCoef   -> bMeltCoef
503       frac_energy -> fracMelting
504      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
505       with default values (for now) that do not change the results.
506      remove old version of thsice vars advection in pkg/seaice.
507    o in FFIELDS.h:
508      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
509      - make pLoad & sIceLoad always available (but still only used if
510         ATMOSPHERIC_LOADING is #define).
511    o pkg/kpp: replaced _KPP_RL with _RL
512    o bug fixes for vertical diffusivity computations when both KPP and
513        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
514        are no longer updating the vertical diffusivity array
515        (passed as argument) but are (re-) setting those arrays.
516    o pkg/seaice: fix bug in evp solver, while doing that
517      - change (improve?) discretization of stress computations for both
518        cgrid-lsr and evp solver
519      - add a new routine to compute strain rates
520      - the above changes lab_sea results
521      - add no slip conditions for evp solver (off by default), lsr-version
522        may follow
523      - fix exchange for shear at Z-points (does not change lab_sea)
524      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
525        (to force the user to pick a time step since there is not "safe" way
526        of choosing it)
527      - add principal stress diagnostics
528      - rearrange fields for evp a little to avoid having to call a: too many
529        exchanges and b: exchanges for stress trensor components which we do
530        not have.
531      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
532        of evp, complete rewrite for lsr case (latter is does not yet work
533        in all cases)
534    o pkg/kpp: add code to have mixing in shelf ice caverns
535      - add myThid to all kpp routines (long overdue)
536    
537    checkpoint59
538    o pkg/exf:
539      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
540        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
541      - move exf header files from lower_case.h to UPPER_CASE.h ;
542        add missing cvs Header & Name
543      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
544      - add namelist param. selectStressGridPosition, exf_monFreq
545      - retire many _CLIM routines, and remove data.exf_clim
546        + params moved to data.exf
547        + climsst, climsss now handled by exf_set_gen, i.e.
548          climss?period=0 refers to constant field,
549          climss?period=-12 to monthly forcing
550      - split up namelists in data.exf
551    o pkg/seaice:
552      - remove seaice_exch and seaice_exch_uv
553      - remove superfluous exchange of theta
554      - add myThid to seaice_budget_ocean/ice
555      - add new interface for atmospheric wind forcing (C-grid only)
556        + new routine
557        + two new field (taux, tauy for stress over ice)
558        + removed one global field (DAIRN) for C-grid case only
559    o pkg/thsise
560      - 2nd set of modifs for thsice adjoint in conjunction with exf
561    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
562    
563    checkpoint58y_post
564    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
565      vertical diffusivity, similar to that in MOM4; turned on using
566      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
567      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
568    o Added capability for 3D specification of background vertical diffusion
569      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
570      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
571      "data" file that contains the 3D vertical diffusivity coefficients.
572    o ice dynamics (pkg/seaice) with thsice thermodynamics:
573      - add code within pkg thsice to advect & diffuse sea-ice fields
574      similar to (and will replace) what has been added in  seaice_advdiff.F,
575      but: - conserving Mass, Heat & Salt.
576           - better when using non-linear advection scheme (not yet fully tested)
577           - can also be used in atmospheric set-up (for now, only the diffusion).
578    
579    checkpoint58x_post
580    o IO option for global-file compact format:
581      - add options when generating topology (utils/exch2/matlab-topology-generator)
582      - add I/O capability (pkg/mdsio).
583      - adapt utils/matlab/rdmds.m to read this format.
584      for now long-line format not yet supported by pkg/mdsio (& exch2).
585    o shelfice: add a few diagnostics
586    
587    checkpoint58w_post
588    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
589      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
590      (and replace horiVertRatio in NH code).
591      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
592                         and tutorial_plume_on_slope (sensitive to truncation)
593    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
594      directly to drive seaice model (C-grid only)
595    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
596     - reintroduce computation of wind from stress,
597     - compute tau (in exf_bulkformulae.F) from windstress averaged to
598       mass points to avoid tau = 0
599     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
600    o rdmnc.m: make it work with "global" files created with gluemnc
601    o rdmnc.m : some improvements in dealing with singleton dimension
602      (tested on all testreport mnc output files).
603    o genmake2: disable pkg/profiles if netcdf test fails.
604    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
605    o move call to cal_readparms up to make calendar parameters/variable available
606      to all packages
607    
608  checkpoint58v_post  checkpoint58v_post
609  o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get  o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
610    useDynP_inEos_Zc tested.    useDynP_inEos_Zc tested.

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