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revision 1.670 by mlosch, Thu Jun 8 00:13:15 2006 UTC revision 1.869 by jmc, Fri Sep 7 01:16:11 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 testreport:
8      Allow to choose (per experiment) the list of tested output variables
9       and the main variable (used to issue a pass/FAIL ) ;
10      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
11      - default is unchange: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
12      Also modify printing of summary:
13       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
14       b) echo the list of tested variables in the individual summary.txt of
15          each experiment.
16    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
17      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
18      (but still depend on the tile decompostion of the domain).
19    o pkg/seaice: change a discretization detail to make the B-grid code
20      "more symmetric". This change is likely to remove all "ridges/leads" that
21      where quasi-aligned with the grid in B-grid solutions. It may also be
22      the solution to the stress coupling issues with the B-grid.
23    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
24      remove .cvsignore from input dir. (since testreport no longer run here).
25    o pkg/thsice:
26     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
27     - fix reshaping of sea-ice just after advection:
28       melt all the ice only if ice-volume is too small.
29     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
30       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
31     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
32    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
33      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
34    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
35      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
36      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
37      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
38      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
39      -> update output.txt
40    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
41     this affects truncation error: -> update output.txt of exp:
42      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
43      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
44    
45    checkpoint59f
46    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
47    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
48      a bounded range (in forward mode)
49    o pkg/ecco, ctrl, autodiff and mom_common:
50     internal parameter controls, completements of implementations
51    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
52    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
53      (not seem any difference in testing results).
54    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
55       at face corners.
56    o pkg/generic_advdiff:
57     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
58      loop range indices for computing vertical advection tendency
59      and do the calculation in the interior only (no overlap) ;
60      for now, only implemented for SOM advection (to save CPU time).
61     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
62    o exch2 adjoint
63      First set of changes:
64      - add exch2 hand-written adjoint templates
65      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
66        This will require cleanup in pkg/autodiff/*.F
67        (changed routines currently kept separate in verif. code/)
68      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
69        that used to hide exch2 or cubed-sphere specific code
70        (commented via 'cph-exch2')
71    o pkg/seaice
72      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
73    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
74       output of global_ocean.cs32x15.thsice .
75    
76    checkpoint59e
77    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
78      for B-grid vector (not yet tested) and C-grid vector (<- only used
79      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
80    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
81      (#ifdef ALLOW_SALT_PLUME)
82    o gather_2d/scatter_2d: removed halo regions
83    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
84      scheme and the corresponding test case (under front_relax dir). For now,
85      only available with Skew-flux form and not yet tested in realistic set-up.
86      adjoint: store directives updated, but gradient checks deteriorated,
87      so maybe GM/Redi adjoint is now broken.
88    o seaice adjoint
89      * add AREA, HEFF, HSNOW as control variable
90        (should not change lab_sea results)
91      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
92    o pkg/seaice:
93      * added computation of saltFlux in seaice_growth;
94        For time being, sea ice salinity is assumed constant
95        contribution of snow flooding to freshening of sea ice is neglected.
96        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
97        defaults to 0.0 in order to maintain backward compatibility.
98        Typical values for SEAICE_salinity are 4 to 10 g/kg.
99      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
100      * added SEAICE_availHeatFrac, which specifies fraction of surface level
101        heat content used to melt or grow ice
102      * commented out cap of HICE: it helps keep ice thinner
103      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
104      * applied OBCS T/S mask to HEFFM sea ice mask
105    
106    checkpoint59d
107    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
108     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
109     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
110    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
111     and change default value of parameter "GM_Small_Number";
112     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
113       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
114       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
115    o pkg/ecco: cost function when applying pkg/smooth to controls
116    o pkg/ctrl: add forcingPrecond run time parameter
117    o pkg/seaice:
118     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
119     - fix bug in metric terms of u-equation in LSR solver (implicit part),
120       changes verification/lab_sea
121     - rearrange implicit part of u-equation in LSR solver to make it easier to
122       read, understand, and debug. This causes changes at the truncation level.
123     - fix (serious) bug in the boundary conditions (sign error in the implicit
124       part) of the LSR solver. Changes all LSR results.
125     - fixed problem with HSNOW initialization to avoid thick snow when AREA
126       is initilized with small values - does not change lab_sea results.
127     - added HsnowFile initialization capability
128    o pkg/smooth: addition to model/src and pkg/ctrl so allow
129     initialization of pkg/smooth and application to control vector
130    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
131    o dependencies: pkg/profiles requires pkg/cal
132    o pkg/profiles:
133     - added option ALLOW_PROFILES_GENERICGRID
134         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
135         that interpolation information (grid points and coefficients) is provided
136         within the netcdf input files.
137         -> sample matlab scripts can be found in MITgcm_contrib/gael
138         that allow you to prepare netcdf input files.
139     - also modified: cleaner include statements, cleaner error print statements,
140       cleaner stops when error, and more tests of the netcdf input files consistency.
141    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
142    o pkg/seaice:
143     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
144       requires a new routine: seaice_diagnostics_fill.F
145     - make sure that seaice does not move if not forced (pressure replacement
146       method, Hibler and Ip, 1995), changes results
147     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
148     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
149       It is turned off by default (=-1.), because it changes the results.
150     - make it possible to read AREA from a file, too.
151    
152    checkpoint59c
153    o add S/R and diagnostics for oceanic mixed-layer depth
154    o move GMRedi call after all vertical mixing schemes (including KPP)
155    o pkg/thsice:
156     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
157      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
158    o pkg/obcs:
159     - bug fix for balance code
160    o pkg/seaice:
161      - allow values of SEAICE_elasticParm > 1
162      - add new parameter SEAICE_evpTauRelax as an alternative
163        to SEAICE_elasticParm
164      - make lsr boundary conditions free slip (by default), changes result
165      - add code for no slip boundary conditions for lsr
166      - set minimum of zeta to zero (and not 4e8) (changes results)
167      - add a cap on AREA after advecting AREA if seaice_growth is not called
168    o change calculation of Visbeck K:
169      - no longer depend on tapering scheme; instead, compute slope (limited
170        by GM_maxSlope). this is equivalent to what was comuted before with
171        clipping or linear tappering.
172      - fix vertical averaging (wrong by 1/2 level)
173      - leave the old version (but will not be maintained) within
174        #ifdef OLD_VISBECK_CALC / #endif
175      - update output of exp. ideal_2D_oce
176    o change error catch in calc_r_star to improve vectorization
177    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
178      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
179    o adjoint:
180      Re-organized adjoint checkpointing according to Matt Mazloff
181      (but with modifs/completions/cleanups)
182      Storing is now bundled into large arrays to optimized I/O
183      (and second step in cleanup of the_main_loop)
184    
185    checkpoint59b
186    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
187      - export/import (between ocean & coupler) fields needed for ocean DIC.
188    o pkg/seaice:
189      - get rid of three more exchanges seaice_calc_viscosities (required
190        different loop boundaries in seaice_lsr and seaice_ocean_stress)
191      - bug fix in seaice_ocean_stress (update of lab_sea required)
192      - reduce loop boundaries to necessary minimum also in seaice_evp
193      - go back to the old way of computing deltaC/Z as the adjoint likes that
194        better
195    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
196      passive tracer to an Age Tracer) + update output.txt
197    o pkg/exf:
198      - implement A-grid / C-grid selection for wind-stress input files.
199      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
200      for now, in exf_bulk_largeyeager04.F only :
201      - change implementation for case where windspeed + 2. components wind-stress
202        are read-in. AND use rhoConstFresh to convert evap.
203    o pkg/seaice:
204      - use correct EXCH_UV for wind-forcing (on A-grid).
205      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
206        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
207    o pkg/exf:
208      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
209      EXF_INTERPOLATION:
210      - merge global_with_exf/code version of exf_interp_read.F
211        to the main code ;
212      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
213        reading the file ; Important: This options needs to be defined to recover
214        previous code.
215        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
216      - no longer loose real*8 precision along the way when using exf_iprec=64.
217    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
218      - change discretisation of evp-solver in order to avoid another exchange
219        (changes lab_sea) and clean up a little
220      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
221        help the adjoint (this also changes the results slightly)
222      - add a few "_d 0" where they had been missing in seaice_evp.F
223      - cleaning up: remove unused seaice_calc_rhs.F
224    o pkg/exf: some cleaning-up:
225      - change various "constants" into runtime parameters
226      - cleaned-up Large&Yeager04 routine which should eventually
227        replace exf_bulkformulae.F (changed names of S/R and CPP)
228        and merged various ALLOW_ATM_WIND options
229     only used with thsice pkg (in thsice_get_exf.F):
230      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
231        which are used when useStabilityFct_overIce=TRUE (= the default)
232      - change default values of ice & snow emissivity and scale downward LW
233        by ice & snow emissivity.
234    o pkg/thsice:
235     fix few little problems, in thsice_calc_thickn.F:
236      - growth vertically (and not laterally) if iceFrac == iceMaskMax
237      - melt only laterally if hIce < hThinIce (as the comments say)
238      and in thsice_extend.F:
239      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
240      - start to form ice as soon as the minimum ice-volume is reachable.
241     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
242      and cpl_aim+ocn
243    o pkg/kpp
244     - move computation of surface related input fields to KPP into a new
245       subroutine kpp_forcing_surf.F
246     - remove wrong (within bi,bj loops) EXCH calls.
247     - little cleaning (add argument myThid in last position, cvs header ...)
248     - for now, fix conservation problem by exchanging KPPviscAz (may not
249       be the best fix)
250    o pkg/seaice
251     - check for inconsistent evp parameter/cpp-flag combination
252     - remove leftover errIO flat for obsolete name list error handling
253    o OpenAD
254     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
255    
256    checkpoint59a
257    o pkg/seaice: some parameter clarifications and a little bit of clean up
258    o pkg/thsice: rename run-time parameters:
259       himin       -> hIceMin
260       himin0      -> hThinIce
261       hihig       -> hThickIce
262       i0          -> i0swFrac
263       transCoef   -> bMeltCoef
264       frac_energy -> fracMelting
265      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
266       with default values (for now) that do not change the results.
267      remove old version of thsice vars advection in pkg/seaice.
268    o in FFIELDS.h:
269      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
270      - make pLoad & sIceLoad always available (but still only used if
271         ATMOSPHERIC_LOADING is #define).
272    o pkg/kpp: replaced _KPP_RL with _RL
273    o bug fixes for vertical diffusivity computations when both KPP and
274        3D diffusivity arrays are used.
275    o pkg/seaice: fix bug in evp solver, while doing that
276      - change (improve?) discretization of stress computations for both
277        cgrid-lsr and evp solver
278      - add a new routine to compute strain rates
279      - the above changes lab_sea results
280      - add no slip conditions for evp solver (off by default), lsr-version
281        may follow
282      - fix exchange for shear at Z-points (does not change lab_sea)
283      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
284        (to force the user to pick a time step since there is not "safe" way
285        of choosing it)
286      - add principal stress diagnostics
287      - rearrange fields for evp a little to avoid having to call a: too many
288        exchanges and b: exchanges for stress trensor components which we do
289        not have.
290      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
291        of evp, complete rewrite for lsr case (latter is does not yet work
292        in all cases)
293    o pkg/kpp: add code to have mixing in shelf ice caverns
294      - add myThid to all kpp routines (long overdue)
295    
296    checkpoint59
297    o pkg/exf:
298      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
299        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
300      - move exf header files from lower_case.h to UPPER_CASE.h ;
301        add missing cvs Header & Name
302      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
303      - add namelist param. selectStressGridPosition, exf_monFreq
304      - retire many _CLIM routines, and remove data.exf_clim
305        + params moved to data.exf
306        + climsst, climsss now handled by exf_set_gen, i.e.
307          climss?period=0 refers to constant field,
308          climss?period=-12 to monthly forcing
309      - split up namelists in data.exf
310    o pkg/seaice:
311      - remove seaice_exch and seaice_exch_uv
312      - remove superfluous exchange of theta
313      - add myThid to seaice_budget_ocean/ice
314      - add new interface for atmospheric wind forcing (C-grid only)
315        + new routine
316        + two new field (taux, tauy for stress over ice)
317        + removed one global field (DAIRN) for C-grid case only
318    o pkg/thsise
319      - 2nd set of modifs for thsice adjoint in conjunction with exf
320    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
321    
322    checkpoint58y_post
323    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
324      vertical diffusivity, similar to that in MOM4; turned on using
325      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
326      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
327    o Added capability for 3D specification of background vertical diffusion
328      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
329      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
330      "data" file that contains the 3D vertical diffusivity coefficients.
331    o ice dynamics (pkg/seaice) with thsice thermodynamics:
332      - add code within pkg thsice to advect & diffuse sea-ice fields
333      similar to (and will replace) what has been added in  seaice_advdiff.F,
334      but: - conserving Mass, Heat & Salt.
335           - better when using non-linear advection scheme (not yet fully tested)
336           - can also be used in atmospheric set-up (for now, only the diffusion).
337    
338    checkpoint58x_post
339    o IO option for global-file compact format:
340      - add options when generating topology (utils/exch2/matlab-topology-generator)
341      - add I/O capability (pkg/mdsio).
342      - adapt utils/matlab/rdmds.m to read this format.
343      for now long-line format not yet supported by pkg/mdsio (& exch2).
344    o shelfice: add a few diagnostics
345    
346    checkpoint58w_post
347    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
348      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
349      (and replace horiVertRatio in NH code).
350      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
351                         and tutorial_plume_on_slope (sensitive to truncation)
352    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
353      directly to drive seaice model (C-grid only)
354    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
355     - reintroduce computation of wind from stress,
356     - compute tau (in exf_bulkformulae.F) from windstress averaged to
357       mass points to avoid tau = 0
358     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
359    o rdmnc.m: make it work with "global" files created with gluemnc
360    o rdmnc.m : some improvements in dealing with singleton dimension
361      (tested on all testreport mnc output files).
362    o genmake2: disable pkg/profiles if netcdf test fails.
363    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
364    o move call to cal_readparms up to make calendar parameters/variable available
365      to all packages
366    
367    checkpoint58v_post
368    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
369      useDynP_inEos_Zc tested.
370    o pkg/exf: changes to properly interpolate/mask/scale initial fields
371    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
372      and portions thereof.  See read_cs.txt for description and examples.
373    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
374      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
375      following the great-circle arc between those 2 points.
376    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
377      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
378    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
379     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
380     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
381     - still needs work (not working with some options ; efficiency to improve)
382       and serious testing.
383     - use this scheme for temperature & salinity in 2 advection test exp.:
384       advect_xy & advect_xz, respectively.
385    
386    checkpoint58u_post
387    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
388    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
389    o testreport: add option "-skipdir" to skip some test.
390    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
391      momentum calculation.
392    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
393    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
394      remove checkpoint.F and the_correction_step.F (no longer used);
395      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
396    o add option (linFSConserveTr) to correct for tracer source/sink due to
397      Linear Free surface
398    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
399    o pkg/thsice: fix reading mnc-pickups
400    
401    checkpoint58t_post
402    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
403    o pkg/mdsio:
404     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
405       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
406       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
407     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
408     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
409       either MDS_READ_FIELD or MDS_WRITE_FIELD )
410     - new S/R (to replace MDSWRITEMETA), which allows to write more
411       informations (variable names, time ...) to meta files.
412     - modify rdmds.m to give back the meta file content.
413    o pkg/diagnostics: change vertical interpolation to be safer, and more
414       flexible (define p-levels to interpolate to in data.diagnostics);
415      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
416       diagnostic pointer.
417    o pkg/seaice: more cleaning up of seaice_growth, added many comments
418    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
419    o fix multi-category seaice:
420     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
421       SEAICE_MULTICATEGORY
422     - fix short wave heat flux
423    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
424       and allow to use EVP solver. Change forward lab_sea: test both EVP
425       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
426    o Initial check-in of lab_sea adjoint
427      (very similar to natl_box_adjoint/code_seaice)
428      * used C-grid and EVP solver
429      * used KPP, GM/Redi
430      * uses inAdExact=.TRUE.
431      * gradient checks fail for both ADM and TLM
432        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
433        f.d. gradients actually seem more problematic than ADM, TLM gradients;
434        issue is related to forward mismatch between g77 an ifort
435    o pkg/seaice: overhaul of thermodynamics
436     - growth.F and groatb.F are replaced by new routine seaice_growth.F
437     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
438     - move a few global fields out of SEAICE.h into seaice_growth.F and
439       make them 2D (FICE/QNETO/ ...)
440     - remove FO (it is the same as QNETO)
441     - introduce a few local fields to avoid modifying external fields such
442       as atemp, etc.
443    
444    checkpoint58s_post
445    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
446      changed exf_set_gen.F so that
447        genperiod=0 means input file is one time-constant field and
448        genperiod=-12 means input file contains 12 monthly means
449    o CG2D: use pre-computed solver main-diagonal (stored in common block);
450      this affects truncation error ; generate new output file for exp. which
451      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
452        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
453        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
454        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
455        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
456        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
457    o start implementation of deep-atmosphere and anelastic formulation
458    o verification: remove 2nd copy of input files and use script "prepare_run"
459      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
460    o mom_common/vecinv/fluxform: fix a few initialisation isssues
461    o profiles: fix for multithreaded case
462    
463    o diagnostics: rename few diags:
464      s/'PRESSURE'/'RCENTER '/g
465      s/'TICE    '/'oceFreez'/g
466      s/'TAUX    '/'oceTAUX '/g
467      s/'TAUY    '/'oceTAUY '/g
468      s/'SWFLUX  '/'oceQsw  '/g
469      s/DIFx/DFxE/g
470      s/DIFy/DFyE/g
471      and add few ocean-forcing diagnostics:
472      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
473    o modifications to pkg/seaice/growth.F and budget.F, which change results of
474      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
475      as actual snow thickness.  It now refers everywhere to effective snow
476      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
477    
478    checkpoint58r_post
479    o modifications to pkg/seaice/growth.F, which change results of
480      lab_sea experiment: fixes pertain to melting snow over open water, to
481      masking EVAP under sea ice, and to using the correct AREA variable for
482      computations of EVAP, PRECIP, HSNOW, and GHEFF
483    o add ability to read bathy, salt, and theta using MNC (off by def)
484    o add flooding algorithm and advection of HSNOW for pkg/seaice;
485      both are turned off by default and do no change any results
486    o seaice advection with pkg/thsice: a step toward the use of non-linear
487      advection scheme, but #ifdef or commented out for now (requires more EXCH).
488    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
489      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
490      in natl_box (affects results @ truncation level: update output.txt)
491    o multi-threading and IO:
492      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
493      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
494        (needed to work with SingleCpuIO): tested in all verif. exp.
495    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
496      affects the results (but none of the verification test uses this scheme).
497    o Adding some pkg/diagnostics capability to pkg/seaice
498      (will certainly be subject to changes)
499    o ctrl: adding new control variables:
500      lwflux, lwdown, evap, snowprecip, apressure, runoff
501    
502    checkpoint58q_post
503    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
504      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
505      high_res_cube configuration by 4% on Columbia.
506    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
507      add (in global_with_exf/code) a version of EXF_INTERP_READ without
508      dynamical allocation (seems to work in multi-threaded).
509    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
510      single CPU io) so that TAF does not have to see EESUPPORT.h
511    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
512    
513    checkpoint58p_post
514    o obcs: stop if obcs is used with useCDscheme = .true.
515    o shelfice:
516     - fix a sign error so that no slip at shelfice interface works
517     - remove stop for combination non-hydrostatic code and shelfice. That does
518       not mean, that the results are correct, but at least they are numerically
519       stable
520    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
521    o added adjoint exch routined for all exch*3d* routines
522      and updated flow directives
523    
524    checkpoint58o_post
525    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
526      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
527    o change controling S/R for writing pickup file (new S/R do_write_pickup)
528      and clean-up reading/writing of pickup files.
529    o fix local version of read/write pickup (NH part) in rotating_tank/code
530    o simplify EXCH interface:
531     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
532     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
533    o added the regrid package
534    o shelfice:
535     - add a simple boundary layer scheme to reduce noise
536     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
537    
538    checkpoint58n_post
539    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
540       local variable (not in common block).
541    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
542      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
543      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
544        to work with SingleCpuIO.
545    o add "_d 0" to real constant of pkg/cfc subroutines ;
546       update exp. cfc_exemple & tutorial_cfc_offline output files.
547    o multi-threading and IO:
548      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
549        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
550      - barrier before and after reading.
551      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
552      - avoid using MDS_WRITELOCAL for LAND pkg output.
553      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
554        common-block variables ; Allows multi-threading with master-thread IO.
555    o change default MAX_NO_THREADS from 32 to 4 ;
556      and stop cleanly when MAX_NO_THREADS is too small.
557    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
558    
559    checkpoint58m_post
560    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
561       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
562    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
563       keep global_ocean.90x40x15 (for AD testing) with former secondary test
564       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
565    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
566        add MITgcm_tutorials (= code + all the tutorials)
567    o ecco, option to compute cost for total ssh (mean+anom)
568    o consistent with addition of ptracer and ssh in pkg/profiles
569    o profiles: adding ptracer and ssh
570    o testreport: change multi-test output-file name
571      (from output.txt.{name} to output.{name}.txt)
572    o profiles: now ok for mutli-tiles case
573    o seaice: add 4 parameters for different advection schemes for area,
574      (effective) seaice thickness, enthalphy, and snow height. Their default
575      is the standard parameter SEAICEadvScheme
576    o calc_gw:
577     - add cosFacU in zonal viscous flux (harmonic.visc.).
578     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
579       of tutorial_plume_on_slope.
580    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
581    o calc_gw: true flux-form, account for horizontal grid spacing.
582      update rotating_tank results, but not plume_on_slope (affected at
583      truncation level, 11 digits).
584    
585    checkpoint58l_post
586    o calc_gw:
587     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
588     - remove side-drag for now (need to fix it); update plume_on_slope results.
589     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
590    o commit code to make SST/SSS weights spatially variable
591      (based on either variable in-situ or variable initial T/S weights)
592    o pkg/ecco:
593      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
594        now based on horizontally varying weights wthetaLev, wsaltLev
595      * cost_averagesflags now returns year indices in addition to day, month
596      * sflux balance is performed on annual basis
597        (sflxumm, sfluxmm2, bal_sfluxmm)
598      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
599        including separate counting and multipliers
600    o pkg/rbcs
601      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
602    
603    checkpoint58k_post
604    o testreport:
605     - always build in dir. "build" (if not there, mkdir build instead of building
606       & running in input)
607     - run in dir run (if it exists), in build otherwise.
608     - call prepare_run (if input/prepare_run exists)
609     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
610    o pkg/exf modifications to interpolation and rotation routines for more
611       reasonable treatment of North Pole singularity: for tracers North Pole
612       value is set to northernmost zonal-mean value, for zonal velocity it is
613       set to zero, and for meridional velocity it is set to northernmost value.
614    o pkg/exf/exf_check_range.F
615     - add tile index to diagnostics and move stop statement to the very
616       end of the routine.
617    o pkg/diagnostics: (diagnostics_main_init.F)
618      define title of isomorphic variables according to the current config.
619    o pkg/thsice with pkg/seaice dynamics:
620    - fix domain of computation (interior only, required for exf) and do exchanges
621    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
622    o towards a standard way of dealing with multi-threading in MONITOR
623      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
624    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
625       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
626    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
627    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
628    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
629       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
630    o tracer advection:
631     - clean-up and simplify calc_common_factors.F
632     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
633       advection subroutine (but still not used within DST advection S/R)
634    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
635    
636    checkpoint58j_post
637    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
638      from file (collects calls previously in FORWARD_STEP)
639    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
640    o adjoint store dir. adjusted accordingly
641    o genmake2
642      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
643    
644    checkpoint58i_post
645    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
646      on wind stress (SEAICEstressFactor defaults to 1.)
647    o Total number of Timers is finite (<=40): comment out 2 non-essential one
648      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
649    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
650      on CS-grid: no longer loosing mass.
651    o exf & curvilinear-grid: no longer modify longitude xC & xG.
652  o pkg/ggl90: fix sloppy output and fix a bug  o pkg/ggl90: fix sloppy output and fix a bug
653    o pkg/seaice: added SEAICEuseEVPpickup parameter
654      - Set to false in order to start EVP solver with
655        non-EVP pickup files when using SEAICEuseEVP
656      - fix sign error in diffusion in seaice_calc_rhs
657    
658  checkpoint58h_post  checkpoint58h_post
659  * Modifications for bottom topography control  * Modifications for bottom topography control
# Line 17  checkpoint58h_post Line 666  checkpoint58h_post
666  * Adding verification for 5x5 box (4-layer) bottom topography control  * Adding verification for 5x5 box (4-layer) bottom topography control
667    
668  checkpoint58g_post  checkpoint58g_post
669    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
670       used for mean seasonal cycle, mean diurnal cycle); add an example
671       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
672  o pkg/ggl90:  o pkg/ggl90:
673    - add parameter (minimum surface kinetic energy)    - add parameter (minimum surface kinetic energy)
674    - fix bug (avoiding division by zero)    - fix bug (avoiding division by zero)

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