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revision 1.843 by jmc, Thu Jun 21 00:56:25 2007 UTC revision 1.891 by dimitri, Thu Oct 11 10:30:34 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 added open boundary conditions capability for seaice HEFF and AREA
8    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
9      thermodynamics
10      - requires a little reorganization, which affects the testreport results
11        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
12        so that now the conservative form is tested
13      - add a few comments
14    o add missing cvs $Header$ or $Name$ in eesupp/*, pkg/* & verification/code*
15    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
16    o add new diagnostics to seaice: advective, diffusive fluxes (only for
17      multidim-advection, for scheme 2 they are not filled) and transports,
18      thermodynamic growth rates
19    o change units of EmPmR (inside the code) from m/s to kg/m2/s (mass flux) but
20      leave input file unchanged. Affects results @ truncation level (cg2d match)
21      and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),
22      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
23      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
24      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
25    
26    checkpoint59h
27    o pkg/exf:
28      - improve vectorization by moving if-statement out of loops in
29        exf_mapfields, exf_radiation
30      - exf_bulkformulae.F: introduce 2D fields and vectorize code
31    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
32    o testreport:
33      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
34        monitor & update offline_exf_seaice exp. output.
35      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
36    o pkg/seaice:
37      - bug fix in the evp solver: boundary conditions were affected be
38        masking of zMax/zMin (changes results)
39      - minor bug fix in boundary conditions in seaice_calc_strainrates
40        (changes results for no_slip)
41      - seaice_lsr.F: make interpolation of eta dependent on boundaries
42      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
43      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
44        stress formulation and no-slip boundary conditions
45    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
46      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
47    o pkg/seaice: a first HSALT time stepping equation has been checked in
48    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
49      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
50      without requiring DO-IF statements
51    o pkg/thsice:
52      use continuous power-law function for partition of energy between lateral
53      melting/freezing and thinning/thickening ; old code using step function
54      still available with #undef THSICE_FRACEN_POWERLAW
55      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
56    o testreport: change AD testing : check against results/output_adm.txt
57      using same scripts as for forward test.
58    
59    checkpoint59g
60    o adjoint testing: in preparation for changing testreport:
61      - output format: cost and grad written on separated lines
62      - ad output results in directory "results" (instead of "results_ad")
63    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
64    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
65    o pkg/ecco: allow user defined cost function contributions
66    o testreport:
67      Allow to choose (per experiment) the list of tested output variables
68       and the main variable (used to issue a pass/FAIL ) ;
69      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
70      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
71      Also modify printing of summary:
72       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
73       b) echo the list of tested variables in the individual summary.txt of
74          each experiment.
75    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
76      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
77      (but still depend on the tile decompostion of the domain).
78    o pkg/seaice: change a discretization detail to make the B-grid code
79      "more symmetric". This change is likely to remove all "ridges/leads" that
80      where quasi-aligned with the grid in B-grid solutions. It may also be
81      the solution to the stress coupling issues with the B-grid.
82    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
83      remove .cvsignore from input dir. (since testreport no longer run here).
84    o pkg/thsice:
85     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
86     - fix reshaping of sea-ice just after advection:
87       melt all the ice only if ice-volume is too small.
88     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
89       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
90     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
91    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
92      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
93    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
94      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
95      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
96      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
97      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
98      -> update output.txt
99    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
100     this affects truncation error: -> update output.txt of exp:
101      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
102      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
103    
104    checkpoint59f
105    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
106    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
107      a bounded range (in forward mode)
108    o pkg/ecco, ctrl, autodiff and mom_common:
109     internal parameter controls, completements of implementations
110    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
111    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
112      (not seem any difference in testing results).
113    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
114       at face corners.
115    o pkg/generic_advdiff:
116     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
117      loop range indices for computing vertical advection tendency
118      and do the calculation in the interior only (no overlap) ;
119      for now, only implemented for SOM advection (to save CPU time).
120     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
121    o exch2 adjoint
122      First set of changes:
123      - add exch2 hand-written adjoint templates
124      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
125        This will require cleanup in pkg/autodiff/*.F
126        (changed routines currently kept separate in verif. code/)
127      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
128        that used to hide exch2 or cubed-sphere specific code
129        (commented via 'cph-exch2')
130    o pkg/seaice
131      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
132    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
133       output of global_ocean.cs32x15.thsice .
134    
135    checkpoint59e
136    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
137      for B-grid vector (not yet tested) and C-grid vector (<- only used
138      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
139    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
140      (#ifdef ALLOW_SALT_PLUME)
141    o gather_2d/scatter_2d: removed halo regions
142    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
143      scheme and the corresponding test case (under front_relax dir). For now,
144      only available with Skew-flux form and not yet tested in realistic set-up.
145      adjoint: store directives updated, but gradient checks deteriorated,
146      so maybe GM/Redi adjoint is now broken.
147    o seaice adjoint
148      * add AREA, HEFF, HSNOW as control variable
149        (should not change lab_sea results)
150      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
151    o pkg/seaice:
152      * added computation of saltFlux in seaice_growth;
153        For time being, sea ice salinity is assumed constant
154        contribution of snow flooding to freshening of sea ice is neglected.
155        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
156        defaults to 0.0 in order to maintain backward compatibility.
157        Typical values for SEAICE_salinity are 4 to 10 g/kg.
158      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
159      * added SEAICE_availHeatFrac, which specifies fraction of surface level
160        heat content used to melt or grow ice
161      * commented out cap of HICE: it helps keep ice thinner
162      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
163      * applied OBCS T/S mask to HEFFM sea ice mask
164    
165  checkpoint59d  checkpoint59d
166  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
167   for {PKG} state variables, and called from DO_STATEVARS_DIAGS.   for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
# Line 172  o in FFIELDS.h: Line 330  o in FFIELDS.h:
330       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
331  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
332  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
333      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
334        are no longer updating the vertical diffusivity array
335        (passed as argument) but are (re-) setting those arrays.
336  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
337    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
338      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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