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revision 1.832 by mlosch, Wed Jun 6 14:37:14 2007 UTC revision 1.880 by jmc, Fri Sep 21 21:37:11 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 test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
9        monitor & update offline_exf_seaice exp. output.
10      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
11  o pkg/seaice:  o pkg/seaice:
12      - bug fix in the evp solver: boundary conditions were affected be
13        masking of zMax/zMin (changes results)
14      - minor bug fix in boundary conditions in seaice_calc_strainrates
15        (changes results for no_slip)
16      - seaice_lsr.F: make interpolation of eta dependent on boundaries
17      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
18      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
19        stress formulation and no-slip boundary conditions
20    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
21      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
22    o pkg/seaice: a first HSALT time stepping equation has been checked in
23    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
24      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
25      without requiring DO-IF statements
26    o pkg/thsice:
27      use continuous power-law function for partition of energy between lateral
28      melting/freezing and thinning/thickening ; old code using step function
29      still available with #undef THSICE_FRACEN_POWERLAW
30      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
31    o testreport: change AD testing : check against results/output_adm.txt
32      using same scripts as for forward test.
33    
34    checkpoint59g
35    o adjoint testing: in preparation for changing testreport:
36      - output format: cost and grad written on separated lines
37      - ad output results in directory "results" (instead of "results_ad")
38    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
39    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
40    o pkg/ecco: allow user defined cost function contributions
41    o testreport:
42      Allow to choose (per experiment) the list of tested output variables
43       and the main variable (used to issue a pass/FAIL ) ;
44      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
45      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
46      Also modify printing of summary:
47       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
48       b) echo the list of tested variables in the individual summary.txt of
49          each experiment.
50    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
51      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
52      (but still depend on the tile decompostion of the domain).
53    o pkg/seaice: change a discretization detail to make the B-grid code
54      "more symmetric". This change is likely to remove all "ridges/leads" that
55      where quasi-aligned with the grid in B-grid solutions. It may also be
56      the solution to the stress coupling issues with the B-grid.
57    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
58      remove .cvsignore from input dir. (since testreport no longer run here).
59    o pkg/thsice:
60     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
61     - fix reshaping of sea-ice just after advection:
62       melt all the ice only if ice-volume is too small.
63     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
64       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
65     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
66    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
67      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
68    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
69      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
70      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
71      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
72      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
73      -> update output.txt
74    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
75     this affects truncation error: -> update output.txt of exp:
76      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
77      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
78    
79    checkpoint59f
80    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
81    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
82      a bounded range (in forward mode)
83    o pkg/ecco, ctrl, autodiff and mom_common:
84     internal parameter controls, completements of implementations
85    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
86    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
87      (not seem any difference in testing results).
88    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
89       at face corners.
90    o pkg/generic_advdiff:
91     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
92      loop range indices for computing vertical advection tendency
93      and do the calculation in the interior only (no overlap) ;
94      for now, only implemented for SOM advection (to save CPU time).
95     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
96    o exch2 adjoint
97      First set of changes:
98      - add exch2 hand-written adjoint templates
99      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
100        This will require cleanup in pkg/autodiff/*.F
101        (changed routines currently kept separate in verif. code/)
102      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
103        that used to hide exch2 or cubed-sphere specific code
104        (commented via 'cph-exch2')
105    o pkg/seaice
106      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
107    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
108       output of global_ocean.cs32x15.thsice .
109    
110    checkpoint59e
111    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
112      for B-grid vector (not yet tested) and C-grid vector (<- only used
113      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
114    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
115      (#ifdef ALLOW_SALT_PLUME)
116    o gather_2d/scatter_2d: removed halo regions
117    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
118      scheme and the corresponding test case (under front_relax dir). For now,
119      only available with Skew-flux form and not yet tested in realistic set-up.
120      adjoint: store directives updated, but gradient checks deteriorated,
121      so maybe GM/Redi adjoint is now broken.
122    o seaice adjoint
123      * add AREA, HEFF, HSNOW as control variable
124        (should not change lab_sea results)
125      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
126    o pkg/seaice:
127      * added computation of saltFlux in seaice_growth;
128        For time being, sea ice salinity is assumed constant
129        contribution of snow flooding to freshening of sea ice is neglected.
130        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
131        defaults to 0.0 in order to maintain backward compatibility.
132        Typical values for SEAICE_salinity are 4 to 10 g/kg.
133      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
134      * added SEAICE_availHeatFrac, which specifies fraction of surface level
135        heat content used to melt or grow ice
136      * commented out cap of HICE: it helps keep ice thinner
137      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
138      * applied OBCS T/S mask to HEFFM sea ice mask
139    
140    checkpoint59d
141    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
142     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
143     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
144    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
145     and change default value of parameter "GM_Small_Number";
146     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
147       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
148       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
149    o pkg/ecco: cost function when applying pkg/smooth to controls
150    o pkg/ctrl: add forcingPrecond run time parameter
151    o pkg/seaice:
152     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
153     - fix bug in metric terms of u-equation in LSR solver (implicit part),
154       changes verification/lab_sea
155     - rearrange implicit part of u-equation in LSR solver to make it easier to
156       read, understand, and debug. This causes changes at the truncation level.
157     - fix (serious) bug in the boundary conditions (sign error in the implicit
158       part) of the LSR solver. Changes all LSR results.
159     - fixed problem with HSNOW initialization to avoid thick snow when AREA
160       is initilized with small values - does not change lab_sea results.
161     - added HsnowFile initialization capability
162    o pkg/smooth: addition to model/src and pkg/ctrl so allow
163     initialization of pkg/smooth and application to control vector
164    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
165    o dependencies: pkg/profiles requires pkg/cal
166    o pkg/profiles:
167     - added option ALLOW_PROFILES_GENERICGRID
168         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
169         that interpolation information (grid points and coefficients) is provided
170         within the netcdf input files.
171         -> sample matlab scripts can be found in MITgcm_contrib/gael
172         that allow you to prepare netcdf input files.
173     - also modified: cleaner include statements, cleaner error print statements,
174       cleaner stops when error, and more tests of the netcdf input files consistency.
175    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
176    o pkg/seaice:
177     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
178       requires a new routine: seaice_diagnostics_fill.F
179   - make sure that seaice does not move if not forced (pressure replacement   - make sure that seaice does not move if not forced (pressure replacement
180     method, Hibler and Ip, 1995), changes results     method, Hibler and Ip, 1995), changes results
181   - and new damping criterion for EVP solver according to Hunke, JCP, 2001   - and new damping criterion for EVP solver according to Hunke, JCP, 2001

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