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revision 1.770 by jmc, Thu Feb 8 00:12:37 2007 UTC revision 1.875 by dimitri, Mon Sep 17 23:03:08 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/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
8      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
9      without requiring DO-IF statements
10    
11    checkpoint59g
12    o adjoint testing: in preparation for changing testreport:
13      - output format: cost and grad written on separated lines
14      - ad output results in directory "results" (instead of "results_ad")
15    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
16    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
17    o pkg/ecco: allow user defined cost function contributions
18    o testreport:
19      Allow to choose (per experiment) the list of tested output variables
20       and the main variable (used to issue a pass/FAIL ) ;
21      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
22      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
23      Also modify printing of summary:
24       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
25       b) echo the list of tested variables in the individual summary.txt of
26          each experiment.
27    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
28      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
29      (but still depend on the tile decompostion of the domain).
30    o pkg/seaice: change a discretization detail to make the B-grid code
31      "more symmetric". This change is likely to remove all "ridges/leads" that
32      where quasi-aligned with the grid in B-grid solutions. It may also be
33      the solution to the stress coupling issues with the B-grid.
34    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
35      remove .cvsignore from input dir. (since testreport no longer run here).
36    o pkg/thsice:
37     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
38     - fix reshaping of sea-ice just after advection:
39       melt all the ice only if ice-volume is too small.
40     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
41       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
42     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
43    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
44      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
45    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
46      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
47      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
48      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
49      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
50      -> update output.txt
51    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
52     this affects truncation error: -> update output.txt of exp:
53      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
54      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
55    
56    checkpoint59f
57    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
58    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
59      a bounded range (in forward mode)
60    o pkg/ecco, ctrl, autodiff and mom_common:
61     internal parameter controls, completements of implementations
62    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
63    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
64      (not seem any difference in testing results).
65    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
66       at face corners.
67    o pkg/generic_advdiff:
68     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
69      loop range indices for computing vertical advection tendency
70      and do the calculation in the interior only (no overlap) ;
71      for now, only implemented for SOM advection (to save CPU time).
72     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
73    o exch2 adjoint
74      First set of changes:
75      - add exch2 hand-written adjoint templates
76      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
77        This will require cleanup in pkg/autodiff/*.F
78        (changed routines currently kept separate in verif. code/)
79      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
80        that used to hide exch2 or cubed-sphere specific code
81        (commented via 'cph-exch2')
82    o pkg/seaice
83      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
84    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
85       output of global_ocean.cs32x15.thsice .
86    
87    checkpoint59e
88    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
89      for B-grid vector (not yet tested) and C-grid vector (<- only used
90      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
91    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
92      (#ifdef ALLOW_SALT_PLUME)
93    o gather_2d/scatter_2d: removed halo regions
94    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
95      scheme and the corresponding test case (under front_relax dir). For now,
96      only available with Skew-flux form and not yet tested in realistic set-up.
97      adjoint: store directives updated, but gradient checks deteriorated,
98      so maybe GM/Redi adjoint is now broken.
99    o seaice adjoint
100      * add AREA, HEFF, HSNOW as control variable
101        (should not change lab_sea results)
102      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
103    o pkg/seaice:
104      * added computation of saltFlux in seaice_growth;
105        For time being, sea ice salinity is assumed constant
106        contribution of snow flooding to freshening of sea ice is neglected.
107        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
108        defaults to 0.0 in order to maintain backward compatibility.
109        Typical values for SEAICE_salinity are 4 to 10 g/kg.
110      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
111      * added SEAICE_availHeatFrac, which specifies fraction of surface level
112        heat content used to melt or grow ice
113      * commented out cap of HICE: it helps keep ice thinner
114      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
115      * applied OBCS T/S mask to HEFFM sea ice mask
116    
117    checkpoint59d
118    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
119     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
120     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
121    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
122     and change default value of parameter "GM_Small_Number";
123     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
124       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
125       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
126    o pkg/ecco: cost function when applying pkg/smooth to controls
127    o pkg/ctrl: add forcingPrecond run time parameter
128    o pkg/seaice:
129     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
130     - fix bug in metric terms of u-equation in LSR solver (implicit part),
131       changes verification/lab_sea
132     - rearrange implicit part of u-equation in LSR solver to make it easier to
133       read, understand, and debug. This causes changes at the truncation level.
134     - fix (serious) bug in the boundary conditions (sign error in the implicit
135       part) of the LSR solver. Changes all LSR results.
136     - fixed problem with HSNOW initialization to avoid thick snow when AREA
137       is initilized with small values - does not change lab_sea results.
138     - added HsnowFile initialization capability
139    o pkg/smooth: addition to model/src and pkg/ctrl so allow
140     initialization of pkg/smooth and application to control vector
141    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
142    o dependencies: pkg/profiles requires pkg/cal
143    o pkg/profiles:
144     - added option ALLOW_PROFILES_GENERICGRID
145         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
146         that interpolation information (grid points and coefficients) is provided
147         within the netcdf input files.
148         -> sample matlab scripts can be found in MITgcm_contrib/gael
149         that allow you to prepare netcdf input files.
150     - also modified: cleaner include statements, cleaner error print statements,
151       cleaner stops when error, and more tests of the netcdf input files consistency.
152    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
153    o pkg/seaice:
154     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
155       requires a new routine: seaice_diagnostics_fill.F
156     - make sure that seaice does not move if not forced (pressure replacement
157       method, Hibler and Ip, 1995), changes results
158     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
159     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
160       It is turned off by default (=-1.), because it changes the results.
161     - make it possible to read AREA from a file, too.
162    
163    checkpoint59c
164    o add S/R and diagnostics for oceanic mixed-layer depth
165    o move GMRedi call after all vertical mixing schemes (including KPP)
166    o pkg/thsice:
167     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
168      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
169    o pkg/obcs:
170     - bug fix for balance code
171    o pkg/seaice:
172      - allow values of SEAICE_elasticParm > 1
173      - add new parameter SEAICE_evpTauRelax as an alternative
174        to SEAICE_elasticParm
175      - make lsr boundary conditions free slip (by default), changes result
176      - add code for no slip boundary conditions for lsr
177      - set minimum of zeta to zero (and not 4e8) (changes results)
178      - add a cap on AREA after advecting AREA if seaice_growth is not called
179    o change calculation of Visbeck K:
180      - no longer depend on tapering scheme; instead, compute slope (limited
181        by GM_maxSlope). this is equivalent to what was comuted before with
182        clipping or linear tappering.
183      - fix vertical averaging (wrong by 1/2 level)
184      - leave the old version (but will not be maintained) within
185        #ifdef OLD_VISBECK_CALC / #endif
186      - update output of exp. ideal_2D_oce
187    o change error catch in calc_r_star to improve vectorization
188    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
189      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
190    o adjoint:
191      Re-organized adjoint checkpointing according to Matt Mazloff
192      (but with modifs/completions/cleanups)
193      Storing is now bundled into large arrays to optimized I/O
194      (and second step in cleanup of the_main_loop)
195    
196    checkpoint59b
197    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
198      - export/import (between ocean & coupler) fields needed for ocean DIC.
199    o pkg/seaice:
200      - get rid of three more exchanges seaice_calc_viscosities (required
201        different loop boundaries in seaice_lsr and seaice_ocean_stress)
202      - bug fix in seaice_ocean_stress (update of lab_sea required)
203      - reduce loop boundaries to necessary minimum also in seaice_evp
204      - go back to the old way of computing deltaC/Z as the adjoint likes that
205        better
206    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
207      passive tracer to an Age Tracer) + update output.txt
208    o pkg/exf:
209      - implement A-grid / C-grid selection for wind-stress input files.
210      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
211      for now, in exf_bulk_largeyeager04.F only :
212      - change implementation for case where windspeed + 2. components wind-stress
213        are read-in. AND use rhoConstFresh to convert evap.
214    o pkg/seaice:
215      - use correct EXCH_UV for wind-forcing (on A-grid).
216      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
217        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
218    o pkg/exf:
219      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
220      EXF_INTERPOLATION:
221      - merge global_with_exf/code version of exf_interp_read.F
222        to the main code ;
223      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
224        reading the file ; Important: This options needs to be defined to recover
225        previous code.
226        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
227      - no longer loose real*8 precision along the way when using exf_iprec=64.
228    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
229      - change discretisation of evp-solver in order to avoid another exchange
230        (changes lab_sea) and clean up a little
231      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
232        help the adjoint (this also changes the results slightly)
233      - add a few "_d 0" where they had been missing in seaice_evp.F
234      - cleaning up: remove unused seaice_calc_rhs.F
235    o pkg/exf: some cleaning-up:
236      - change various "constants" into runtime parameters
237      - cleaned-up Large&Yeager04 routine which should eventually
238        replace exf_bulkformulae.F (changed names of S/R and CPP)
239        and merged various ALLOW_ATM_WIND options
240     only used with thsice pkg (in thsice_get_exf.F):
241      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
242        which are used when useStabilityFct_overIce=TRUE (= the default)
243      - change default values of ice & snow emissivity and scale downward LW
244        by ice & snow emissivity.
245    o pkg/thsice:
246     fix few little problems, in thsice_calc_thickn.F:
247      - growth vertically (and not laterally) if iceFrac == iceMaskMax
248      - melt only laterally if hIce < hThinIce (as the comments say)
249      and in thsice_extend.F:
250      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
251      - start to form ice as soon as the minimum ice-volume is reachable.
252     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
253      and cpl_aim+ocn
254    o pkg/kpp
255     - move computation of surface related input fields to KPP into a new
256       subroutine kpp_forcing_surf.F
257     - remove wrong (within bi,bj loops) EXCH calls.
258     - little cleaning (add argument myThid in last position, cvs header ...)
259     - for now, fix conservation problem by exchanging KPPviscAz (may not
260       be the best fix)
261    o pkg/seaice
262     - check for inconsistent evp parameter/cpp-flag combination
263     - remove leftover errIO flat for obsolete name list error handling
264    o OpenAD
265     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
266    
267    checkpoint59a
268    o pkg/seaice: some parameter clarifications and a little bit of clean up
269    o pkg/thsice: rename run-time parameters:
270       himin       -> hIceMin
271       himin0      -> hThinIce
272       hihig       -> hThickIce
273       i0          -> i0swFrac
274       transCoef   -> bMeltCoef
275       frac_energy -> fracMelting
276      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
277       with default values (for now) that do not change the results.
278      remove old version of thsice vars advection in pkg/seaice.
279    o in FFIELDS.h:
280      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
281      - make pLoad & sIceLoad always available (but still only used if
282         ATMOSPHERIC_LOADING is #define).
283    o pkg/kpp: replaced _KPP_RL with _RL
284    o bug fixes for vertical diffusivity computations when both KPP and
285        3D diffusivity arrays are used.
286    o pkg/seaice: fix bug in evp solver, while doing that
287      - change (improve?) discretization of stress computations for both
288        cgrid-lsr and evp solver
289      - add a new routine to compute strain rates
290      - the above changes lab_sea results
291      - add no slip conditions for evp solver (off by default), lsr-version
292        may follow
293      - fix exchange for shear at Z-points (does not change lab_sea)
294      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
295        (to force the user to pick a time step since there is not "safe" way
296        of choosing it)
297      - add principal stress diagnostics
298      - rearrange fields for evp a little to avoid having to call a: too many
299        exchanges and b: exchanges for stress trensor components which we do
300        not have.
301      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
302        of evp, complete rewrite for lsr case (latter is does not yet work
303        in all cases)
304    o pkg/kpp: add code to have mixing in shelf ice caverns
305      - add myThid to all kpp routines (long overdue)
306    
307    checkpoint59
308    o pkg/exf:
309      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
310        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
311      - move exf header files from lower_case.h to UPPER_CASE.h ;
312        add missing cvs Header & Name
313      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
314      - add namelist param. selectStressGridPosition, exf_monFreq
315      - retire many _CLIM routines, and remove data.exf_clim
316        + params moved to data.exf
317        + climsst, climsss now handled by exf_set_gen, i.e.
318          climss?period=0 refers to constant field,
319          climss?period=-12 to monthly forcing
320      - split up namelists in data.exf
321    o pkg/seaice:
322      - remove seaice_exch and seaice_exch_uv
323      - remove superfluous exchange of theta
324      - add myThid to seaice_budget_ocean/ice
325      - add new interface for atmospheric wind forcing (C-grid only)
326        + new routine
327        + two new field (taux, tauy for stress over ice)
328        + removed one global field (DAIRN) for C-grid case only
329    o pkg/thsise
330      - 2nd set of modifs for thsice adjoint in conjunction with exf
331    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
332    
333    checkpoint58y_post
334    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
335      vertical diffusivity, similar to that in MOM4; turned on using
336      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
337      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
338    o Added capability for 3D specification of background vertical diffusion
339      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
340      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
341      "data" file that contains the 3D vertical diffusivity coefficients.
342    o ice dynamics (pkg/seaice) with thsice thermodynamics:
343      - add code within pkg thsice to advect & diffuse sea-ice fields
344      similar to (and will replace) what has been added in  seaice_advdiff.F,
345      but: - conserving Mass, Heat & Salt.
346           - better when using non-linear advection scheme (not yet fully tested)
347           - can also be used in atmospheric set-up (for now, only the diffusion).
348    
349    checkpoint58x_post
350    o IO option for global-file compact format:
351      - add options when generating topology (utils/exch2/matlab-topology-generator)
352      - add I/O capability (pkg/mdsio).
353      - adapt utils/matlab/rdmds.m to read this format.
354      for now long-line format not yet supported by pkg/mdsio (& exch2).
355    o shelfice: add a few diagnostics
356    
357    checkpoint58w_post
358    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
359      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
360      (and replace horiVertRatio in NH code).
361      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
362                         and tutorial_plume_on_slope (sensitive to truncation)
363    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
364      directly to drive seaice model (C-grid only)
365    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
366     - reintroduce computation of wind from stress,
367     - compute tau (in exf_bulkformulae.F) from windstress averaged to
368       mass points to avoid tau = 0
369     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
370    o rdmnc.m: make it work with "global" files created with gluemnc
371    o rdmnc.m : some improvements in dealing with singleton dimension
372      (tested on all testreport mnc output files).
373    o genmake2: disable pkg/profiles if netcdf test fails.
374    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
375    o move call to cal_readparms up to make calendar parameters/variable available
376      to all packages
377    
378  checkpoint58v_post  checkpoint58v_post
379  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
380    useDynP_inEos_Zc tested.    useDynP_inEos_Zc tested.

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