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revision 1.748 by gforget, Thu Nov 23 00:06:21 2006 UTC revision 1.931 by atn, Fri Dec 21 22:49:09 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/salt_plume: clean up salt_plume_frac.F to
8      remove redundancy in PlumeMethod 1 and 4
9    o pkg/kpp: added saltplume diagnostics
10    o pkg/obcs and pkg/seaice:
11      - do not set uice and vice to zero when OB*icefile are unspecified
12      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
13      - moved seaice tracer obcs after call to seaice_growth
14    o pkg/salt_plume: added various options for salt plume depth
15      criterion and for vertical distribution of the salt
16    
17    checkpoint59l
18    o pkg/ptracers: new version of ptracers pickup:
19      read meta file and write only fields which are needed to restart.
20      ( same logic as main pickup file ; also using pickupStrictlyMatch )
21    o pkg/seaice:
22      - add timescale for melting due to warm mixed layer as a means of
23        setting SEAICE_availHeatFrac more conveniently
24      - add a CPP-flag/runtime parameter check for flooding algorithm
25      - reformulated availHeat in seaice_growth.F to be independent of AREA
26    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
27      unit changes
28    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
29    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
30      SX vector computer.
31    o pkg/seaice:
32      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
33        seaice forcing fields can now be read only through pkg/exf
34      - removed some unused halos
35    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
36    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
37      or U/VICE from U/VWIND before computing U/VSTRESS
38    
39    checkpoint59k
40    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
41      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
42    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
43      all experiments pass when compile with un-initialised var. checking option.
44    o added pkg/salt_plume
45    o script to test restart (for now, in MITgcm_contrib/jmc_script)
46    o pkg/seaice: new read/write pickup version.
47      read meta file and write only fields which are needed to restart.
48      ( same logic as main pickup file ; also using pickupStrictlyMatch )
49    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
50    o lab_sea.hb87: modify the domain & update output.hb87.txt :
51      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
52      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
53      process. Fixed here by closing the domain at the Northern boundary.
54    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
55    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
56      a set of consecutive levels in/from a 3-D array.
57    o pkg/ptracers:
58      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
59      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
60    
61    checkpoint59j
62    o in pkgs: dic, obcs, offline, rbcs:
63      standard way to compute coeff. for time interpolation between 2 time reccords
64      which retains full precision (& make results less dependent on compiler).
65      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
66    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
67      packages instead of reading ice cover and wind speed separately
68    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
69     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
70      to allow to compile customized code before the update)
71    o cleaning-up:
72      - fix CPP instruction syntax in pkg/obcs
73      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
74        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
75      - fix some threads issue in IO parts.
76    o pkg/dic:
77      - add tons of "_d 0" (--> much better testreports !)
78       and then update outputs of tutorial_global_oce_biogeo
79    o pkg/mom_fluxform:
80      add a special version of momentum advection intended to conserve momentum
81      next to a bathymetry step or a coastline edge. (default = off = #undef)
82    o new read/write pickup version:
83      - for now, only implemented for main (mdsio) pickup file.
84      - write out only what is needed to restart; merge pickup_nh , pickup_ph
85        and main pickup together.
86      - read meta file; read only what is needed to restart; stop if a field
87        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
88        if it make sense (even if the restart is not perfect).
89      - if no meta file, assume that pickup to read corresponds exactly to
90        a pickup that would currently be written.
91      - read pickup written in the old format (until checkpoint59i) if it
92        recognizes an old meta file (no field-list).
93      - add a meta file in exp. which starts from a pickup: 2 cases:
94        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
95         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
96        b) a meta file describing the content of the associated pickup file
97         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
98    o pkg/mdsio & pkg/rw:
99      - new routine to read a meta file ; new set of routine to read
100        Multiple-fields file (with meta file).
101    o added open boundary conditions capability for seaice
102        HSNOW, HSALT, UICE, and VICE
103    
104    checkpoint59i
105    o adjoint:
106      * fix multiDimAdvection adjoint
107        (partial recomputation problem by TAF for fVerT(:,:,kDown)
108        and comlev1 size definition (maxpass vs. max. number of tracers)
109      * verification/global_ocean.90x45x15 adjoint now tests
110        NLFS and multiDimAdvection using DST3 (=30)
111      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
112    o pkg/kpp: add "_d 0" to real constant (if missing);
113      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
114      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
115    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
116      for internal parameters related to restart process (formerly from PARAMS.h)
117      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
118    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
119      as argument. (only atm2d & obcs write_pickup have not yet been updated)
120    o pkg/monitor:
121      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
122      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
123      - account for deep Atmosphere factor and density factor (anelastic)
124    o added open boundary conditions capability for seaice HEFF and AREA
125    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
126      thermodynamics
127      - requires a little reorganization, which affects the testreport results
128        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
129        so that now the conservative form is tested
130      - add a few comments
131    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
132    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
133    o add new diagnostics to seaice: advective, diffusive fluxes (only for
134      multidim-advection, for scheme 2 they are not filled) and transports,
135      thermodynamic growth rates
136    o change units of EmPmR (inside the code, + within coupling interface)
137      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
138      Affects results @ truncation level (cg2d match) and update output of
139       experiments: lab_sea(6), global_ocean.90x40x15(10),
140      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
141      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
142      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
143      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
144    
145    checkpoint59h
146    o pkg/exf:
147      - improve vectorization by moving if-statement out of loops in
148        exf_mapfields, exf_radiation
149      - exf_bulkformulae.F: introduce 2D fields and vectorize code
150    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
151    o testreport:
152      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
153        monitor & update offline_exf_seaice exp. output.
154      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
155    o pkg/seaice:
156      - bug fix in the evp solver: boundary conditions were affected be
157        masking of zMax/zMin (changes results)
158      - minor bug fix in boundary conditions in seaice_calc_strainrates
159        (changes results for no_slip)
160      - seaice_lsr.F: make interpolation of eta dependent on boundaries
161      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
162      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
163        stress formulation and no-slip boundary conditions
164    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
165      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
166    o pkg/seaice: a first HSALT time stepping equation has been checked in
167    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
168      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
169      without requiring DO-IF statements
170    o pkg/thsice:
171      use continuous power-law function for partition of energy between lateral
172      melting/freezing and thinning/thickening ; old code using step function
173      still available with #undef THSICE_FRACEN_POWERLAW
174      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
175    o testreport: change AD testing : check against results/output_adm.txt
176      using same scripts as for forward test.
177    
178    checkpoint59g
179    o adjoint testing: in preparation for changing testreport:
180      - output format: cost and grad written on separated lines
181      - ad output results in directory "results" (instead of "results_ad")
182    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
183    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
184    o pkg/ecco: allow user defined cost function contributions
185    o testreport:
186      Allow to choose (per experiment) the list of tested output variables
187       and the main variable (used to issue a pass/FAIL ) ;
188      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
189      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
190      Also modify printing of summary:
191       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
192       b) echo the list of tested variables in the individual summary.txt of
193          each experiment.
194    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
195      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
196      (but still depend on the tile decompostion of the domain).
197    o pkg/seaice: change a discretization detail to make the B-grid code
198      "more symmetric". This change is likely to remove all "ridges/leads" that
199      where quasi-aligned with the grid in B-grid solutions. It may also be
200      the solution to the stress coupling issues with the B-grid.
201    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
202      remove .cvsignore from input dir. (since testreport no longer run here).
203    o pkg/thsice:
204     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
205     - fix reshaping of sea-ice just after advection:
206       melt all the ice only if ice-volume is too small.
207     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
208       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
209     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
210    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
211      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
212    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
213      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
214      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
215      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
216      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
217      -> update output.txt
218    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
219     this affects truncation error: -> update output.txt of exp:
220      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
221      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
222    
223    checkpoint59f
224    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
225    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
226      a bounded range (in forward mode)
227    o pkg/ecco, ctrl, autodiff and mom_common:
228     internal parameter controls, completements of implementations
229    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
230    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
231      (not seem any difference in testing results).
232    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
233       at face corners.
234    o pkg/generic_advdiff:
235     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
236      loop range indices for computing vertical advection tendency
237      and do the calculation in the interior only (no overlap) ;
238      for now, only implemented for SOM advection (to save CPU time).
239     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
240    o exch2 adjoint
241      First set of changes:
242      - add exch2 hand-written adjoint templates
243      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
244        This will require cleanup in pkg/autodiff/*.F
245        (changed routines currently kept separate in verif. code/)
246      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
247        that used to hide exch2 or cubed-sphere specific code
248        (commented via 'cph-exch2')
249    o pkg/seaice
250      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
251    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
252       output of global_ocean.cs32x15.thsice .
253    
254    checkpoint59e
255    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
256      for B-grid vector (not yet tested) and C-grid vector (<- only used
257      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
258    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
259      (#ifdef ALLOW_SALT_PLUME)
260    o gather_2d/scatter_2d: removed halo regions
261    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
262      scheme and the corresponding test case (under front_relax dir). For now,
263      only available with Skew-flux form and not yet tested in realistic set-up.
264      adjoint: store directives updated, but gradient checks deteriorated,
265      so maybe GM/Redi adjoint is now broken.
266    o seaice adjoint
267      * add AREA, HEFF, HSNOW as control variable
268        (should not change lab_sea results)
269      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
270    o pkg/seaice:
271      * added computation of saltFlux in seaice_growth;
272        For time being, sea ice salinity is assumed constant
273        contribution of snow flooding to freshening of sea ice is neglected.
274        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
275        defaults to 0.0 in order to maintain backward compatibility.
276        Typical values for SEAICE_salinity are 4 to 10 g/kg.
277      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
278      * added SEAICE_availHeatFrac, which specifies fraction of surface level
279        heat content used to melt or grow ice
280      * commented out cap of HICE: it helps keep ice thinner
281      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
282      * applied OBCS T/S mask to HEFFM sea ice mask
283    
284    checkpoint59d
285    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
286     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
287     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
288    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
289     and change default value of parameter "GM_Small_Number";
290     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
291       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
292       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
293    o pkg/ecco: cost function when applying pkg/smooth to controls
294    o pkg/ctrl: add forcingPrecond run time parameter
295    o pkg/seaice:
296     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
297     - fix bug in metric terms of u-equation in LSR solver (implicit part),
298       changes verification/lab_sea
299     - rearrange implicit part of u-equation in LSR solver to make it easier to
300       read, understand, and debug. This causes changes at the truncation level.
301     - fix (serious) bug in the boundary conditions (sign error in the implicit
302       part) of the LSR solver. Changes all LSR results.
303     - fixed problem with HSNOW initialization to avoid thick snow when AREA
304       is initilized with small values - does not change lab_sea results.
305     - added HsnowFile initialization capability
306    o pkg/smooth: addition to model/src and pkg/ctrl so allow
307     initialization of pkg/smooth and application to control vector
308    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
309    o dependencies: pkg/profiles requires pkg/cal
310    o pkg/profiles:
311     - added option ALLOW_PROFILES_GENERICGRID
312         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
313         that interpolation information (grid points and coefficients) is provided
314         within the netcdf input files.
315         -> sample matlab scripts can be found in MITgcm_contrib/gael
316         that allow you to prepare netcdf input files.
317     - also modified: cleaner include statements, cleaner error print statements,
318       cleaner stops when error, and more tests of the netcdf input files consistency.
319    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
320    o pkg/seaice:
321     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
322       requires a new routine: seaice_diagnostics_fill.F
323     - make sure that seaice does not move if not forced (pressure replacement
324       method, Hibler and Ip, 1995), changes results
325     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
326     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
327       It is turned off by default (=-1.), because it changes the results.
328     - make it possible to read AREA from a file, too.
329    
330    checkpoint59c
331    o add S/R and diagnostics for oceanic mixed-layer depth
332    o move GMRedi call after all vertical mixing schemes (including KPP)
333    o pkg/thsice:
334     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
335      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
336    o pkg/obcs:
337     - bug fix for balance code
338    o pkg/seaice:
339      - allow values of SEAICE_elasticParm > 1
340      - add new parameter SEAICE_evpTauRelax as an alternative
341        to SEAICE_elasticParm
342      - make lsr boundary conditions free slip (by default), changes result
343      - add code for no slip boundary conditions for lsr
344      - set minimum of zeta to zero (and not 4e8) (changes results)
345      - add a cap on AREA after advecting AREA if seaice_growth is not called
346    o change calculation of Visbeck K:
347      - no longer depend on tapering scheme; instead, compute slope (limited
348        by GM_maxSlope). this is equivalent to what was comuted before with
349        clipping or linear tappering.
350      - fix vertical averaging (wrong by 1/2 level)
351      - leave the old version (but will not be maintained) within
352        #ifdef OLD_VISBECK_CALC / #endif
353      - update output of exp. ideal_2D_oce
354    o change error catch in calc_r_star to improve vectorization
355    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
356      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
357    o adjoint:
358      Re-organized adjoint checkpointing according to Matt Mazloff
359      (but with modifs/completions/cleanups)
360      Storing is now bundled into large arrays to optimized I/O
361      (and second step in cleanup of the_main_loop)
362    
363    checkpoint59b
364    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
365      - export/import (between ocean & coupler) fields needed for ocean DIC.
366    o pkg/seaice:
367      - get rid of three more exchanges seaice_calc_viscosities (required
368        different loop boundaries in seaice_lsr and seaice_ocean_stress)
369      - bug fix in seaice_ocean_stress (update of lab_sea required)
370      - reduce loop boundaries to necessary minimum also in seaice_evp
371      - go back to the old way of computing deltaC/Z as the adjoint likes that
372        better
373    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
374      passive tracer to an Age Tracer) + update output.txt
375    o pkg/exf:
376      - implement A-grid / C-grid selection for wind-stress input files.
377      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
378      for now, in exf_bulk_largeyeager04.F only :
379      - change implementation for case where windspeed + 2. components wind-stress
380        are read-in. AND use rhoConstFresh to convert evap.
381    o pkg/seaice:
382      - use correct EXCH_UV for wind-forcing (on A-grid).
383      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
384        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
385    o pkg/exf:
386      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
387      EXF_INTERPOLATION:
388      - merge global_with_exf/code version of exf_interp_read.F
389        to the main code ;
390      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
391        reading the file ; Important: This options needs to be defined to recover
392        previous code.
393        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
394      - no longer loose real*8 precision along the way when using exf_iprec=64.
395    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
396      - change discretisation of evp-solver in order to avoid another exchange
397        (changes lab_sea) and clean up a little
398      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
399        help the adjoint (this also changes the results slightly)
400      - add a few "_d 0" where they had been missing in seaice_evp.F
401      - cleaning up: remove unused seaice_calc_rhs.F
402    o pkg/exf: some cleaning-up:
403      - change various "constants" into runtime parameters
404      - cleaned-up Large&Yeager04 routine which should eventually
405        replace exf_bulkformulae.F (changed names of S/R and CPP)
406        and merged various ALLOW_ATM_WIND options
407     only used with thsice pkg (in thsice_get_exf.F):
408      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
409        which are used when useStabilityFct_overIce=TRUE (= the default)
410      - change default values of ice & snow emissivity and scale downward LW
411        by ice & snow emissivity.
412    o pkg/thsice:
413     fix few little problems, in thsice_calc_thickn.F:
414      - growth vertically (and not laterally) if iceFrac == iceMaskMax
415      - melt only laterally if hIce < hThinIce (as the comments say)
416      and in thsice_extend.F:
417      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
418      - start to form ice as soon as the minimum ice-volume is reachable.
419     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
420      and cpl_aim+ocn
421    o pkg/kpp
422     - move computation of surface related input fields to KPP into a new
423       subroutine kpp_forcing_surf.F
424     - remove wrong (within bi,bj loops) EXCH calls.
425     - little cleaning (add argument myThid in last position, cvs header ...)
426     - for now, fix conservation problem by exchanging KPPviscAz (may not
427       be the best fix)
428    o pkg/seaice
429     - check for inconsistent evp parameter/cpp-flag combination
430     - remove leftover errIO flat for obsolete name list error handling
431    o OpenAD
432     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
433    
434    checkpoint59a
435    o pkg/seaice: some parameter clarifications and a little bit of clean up
436    o pkg/thsice: rename run-time parameters:
437       himin       -> hIceMin
438       himin0      -> hThinIce
439       hihig       -> hThickIce
440       i0          -> i0swFrac
441       transCoef   -> bMeltCoef
442       frac_energy -> fracMelting
443      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
444       with default values (for now) that do not change the results.
445      remove old version of thsice vars advection in pkg/seaice.
446    o in FFIELDS.h:
447      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
448      - make pLoad & sIceLoad always available (but still only used if
449         ATMOSPHERIC_LOADING is #define).
450    o pkg/kpp: replaced _KPP_RL with _RL
451    o bug fixes for vertical diffusivity computations when both KPP and
452        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
453        are no longer updating the vertical diffusivity array
454        (passed as argument) but are (re-) setting those arrays.
455    o pkg/seaice: fix bug in evp solver, while doing that
456      - change (improve?) discretization of stress computations for both
457        cgrid-lsr and evp solver
458      - add a new routine to compute strain rates
459      - the above changes lab_sea results
460      - add no slip conditions for evp solver (off by default), lsr-version
461        may follow
462      - fix exchange for shear at Z-points (does not change lab_sea)
463      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
464        (to force the user to pick a time step since there is not "safe" way
465        of choosing it)
466      - add principal stress diagnostics
467      - rearrange fields for evp a little to avoid having to call a: too many
468        exchanges and b: exchanges for stress trensor components which we do
469        not have.
470      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
471        of evp, complete rewrite for lsr case (latter is does not yet work
472        in all cases)
473    o pkg/kpp: add code to have mixing in shelf ice caverns
474      - add myThid to all kpp routines (long overdue)
475    
476    checkpoint59
477    o pkg/exf:
478      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
479        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
480      - move exf header files from lower_case.h to UPPER_CASE.h ;
481        add missing cvs Header & Name
482      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
483      - add namelist param. selectStressGridPosition, exf_monFreq
484      - retire many _CLIM routines, and remove data.exf_clim
485        + params moved to data.exf
486        + climsst, climsss now handled by exf_set_gen, i.e.
487          climss?period=0 refers to constant field,
488          climss?period=-12 to monthly forcing
489      - split up namelists in data.exf
490    o pkg/seaice:
491      - remove seaice_exch and seaice_exch_uv
492      - remove superfluous exchange of theta
493      - add myThid to seaice_budget_ocean/ice
494      - add new interface for atmospheric wind forcing (C-grid only)
495        + new routine
496        + two new field (taux, tauy for stress over ice)
497        + removed one global field (DAIRN) for C-grid case only
498    o pkg/thsise
499      - 2nd set of modifs for thsice adjoint in conjunction with exf
500    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
501    
502    checkpoint58y_post
503    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
504      vertical diffusivity, similar to that in MOM4; turned on using
505      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
506      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
507    o Added capability for 3D specification of background vertical diffusion
508      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
509      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
510      "data" file that contains the 3D vertical diffusivity coefficients.
511    o ice dynamics (pkg/seaice) with thsice thermodynamics:
512      - add code within pkg thsice to advect & diffuse sea-ice fields
513      similar to (and will replace) what has been added in  seaice_advdiff.F,
514      but: - conserving Mass, Heat & Salt.
515           - better when using non-linear advection scheme (not yet fully tested)
516           - can also be used in atmospheric set-up (for now, only the diffusion).
517    
518    checkpoint58x_post
519    o IO option for global-file compact format:
520      - add options when generating topology (utils/exch2/matlab-topology-generator)
521      - add I/O capability (pkg/mdsio).
522      - adapt utils/matlab/rdmds.m to read this format.
523      for now long-line format not yet supported by pkg/mdsio (& exch2).
524    o shelfice: add a few diagnostics
525    
526    checkpoint58w_post
527    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
528      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
529      (and replace horiVertRatio in NH code).
530      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
531                         and tutorial_plume_on_slope (sensitive to truncation)
532    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
533      directly to drive seaice model (C-grid only)
534    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
535     - reintroduce computation of wind from stress,
536     - compute tau (in exf_bulkformulae.F) from windstress averaged to
537       mass points to avoid tau = 0
538     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
539    o rdmnc.m: make it work with "global" files created with gluemnc
540    o rdmnc.m : some improvements in dealing with singleton dimension
541      (tested on all testreport mnc output files).
542    o genmake2: disable pkg/profiles if netcdf test fails.
543    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
544    o move call to cal_readparms up to make calendar parameters/variable available
545      to all packages
546    
547    checkpoint58v_post
548    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
549      useDynP_inEos_Zc tested.
550    o pkg/exf: changes to properly interpolate/mask/scale initial fields
551    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
552      and portions thereof.  See read_cs.txt for description and examples.
553    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
554      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
555      following the great-circle arc between those 2 points.
556    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
557      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
558    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
559     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
560     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
561     - still needs work (not working with some options ; efficiency to improve)
562       and serious testing.
563     - use this scheme for temperature & salinity in 2 advection test exp.:
564       advect_xy & advect_xz, respectively.
565    
566    checkpoint58u_post
567    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
568    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
569    o testreport: add option "-skipdir" to skip some test.
570    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
571      momentum calculation.
572    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
573    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
574      remove checkpoint.F and the_correction_step.F (no longer used);
575      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
576    o add option (linFSConserveTr) to correct for tracer source/sink due to
577      Linear Free surface
578    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
579    o pkg/thsice: fix reading mnc-pickups
580    
581    checkpoint58t_post
582    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
583    o pkg/mdsio:
584     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
585       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
586       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
587     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
588     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
589       either MDS_READ_FIELD or MDS_WRITE_FIELD )
590     - new S/R (to replace MDSWRITEMETA), which allows to write more
591       informations (variable names, time ...) to meta files.
592     - modify rdmds.m to give back the meta file content.
593    o pkg/diagnostics: change vertical interpolation to be safer, and more
594       flexible (define p-levels to interpolate to in data.diagnostics);
595      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
596       diagnostic pointer.
597    o pkg/seaice: more cleaning up of seaice_growth, added many comments
598    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
599    o fix multi-category seaice:
600     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
601       SEAICE_MULTICATEGORY
602     - fix short wave heat flux
603    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
604       and allow to use EVP solver. Change forward lab_sea: test both EVP
605       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
606    o Initial check-in of lab_sea adjoint
607      (very similar to natl_box_adjoint/code_seaice)
608      * used C-grid and EVP solver
609      * used KPP, GM/Redi
610      * uses inAdExact=.TRUE.
611      * gradient checks fail for both ADM and TLM
612        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
613        f.d. gradients actually seem more problematic than ADM, TLM gradients;
614        issue is related to forward mismatch between g77 an ifort
615    o pkg/seaice: overhaul of thermodynamics
616     - growth.F and groatb.F are replaced by new routine seaice_growth.F
617     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
618     - move a few global fields out of SEAICE.h into seaice_growth.F and
619       make them 2D (FICE/QNETO/ ...)
620     - remove FO (it is the same as QNETO)
621     - introduce a few local fields to avoid modifying external fields such
622       as atemp, etc.
623    
624    checkpoint58s_post
625    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
626      changed exf_set_gen.F so that
627        genperiod=0 means input file is one time-constant field and
628        genperiod=-12 means input file contains 12 monthly means
629    o CG2D: use pre-computed solver main-diagonal (stored in common block);
630      this affects truncation error ; generate new output file for exp. which
631      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
632        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
633        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
634        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
635        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
636        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
637    o start implementation of deep-atmosphere and anelastic formulation
638    o verification: remove 2nd copy of input files and use script "prepare_run"
639      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
640    o mom_common/vecinv/fluxform: fix a few initialisation isssues
641  o profiles: fix for multithreaded case  o profiles: fix for multithreaded case
642    
643  o diagnostics: rename few diags:  o diagnostics: rename few diags:

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