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revision 1.826 by mlosch, Fri Jun 1 12:57:48 2007 UTC revision 1.861 by gforget, Mon Aug 20 17:44:38 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/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
8    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
9      a bounded range (in forward mode)
10    o pkg/ecco, ctrl, autodiff and mom_common:
11     internal parameter controls, completements of implementations
12    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
13    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
14       at face corners.
15    o pkg/generic_advdiff:
16     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
17      loop range indices for computing vertical advection tendency
18      and do the calculation in the interior only (no overlap) ;
19      for now, only implemented for SOM advection (to save CPU time).
20     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
21    o exch2 adjoint
22      First set of changes:
23      - add exch2 hand-written adjoint templates
24      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
25        This will require cleanup in pkg/autodiff/*.F
26        (changed routines currently kept separate in verif. code/)
27      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
28        that used to hide exch2 or cubed-sphere specific code
29        (commented via 'cph-exch2')
30    o pkg/seaice
31      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
32    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
33       output of global_ocean.cs32x15.thsice .
34    
35    checkpoint59e
36    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
37      for B-grid vector (not yet tested) and C-grid vector (<- only used
38      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
39    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
40      (#ifdef ALLOW_SALT_PLUME)
41    o gather_2d/scatter_2d: removed halo regions
42    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
43      scheme and the corresponding test case (under front_relax dir). For now,
44      only available with Skew-flux form and not yet tested in realistic set-up.
45      adjoint: store directives updated, but gradient checks deteriorated,
46      so maybe GM/Redi adjoint is now broken.
47    o seaice adjoint
48      * add AREA, HEFF, HSNOW as control variable
49        (should not change lab_sea results)
50      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
51    o pkg/seaice:
52      * added computation of saltFlux in seaice_growth;
53        For time being, sea ice salinity is assumed constant
54        contribution of snow flooding to freshening of sea ice is neglected.
55        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
56        defaults to 0.0 in order to maintain backward compatibility.
57        Typical values for SEAICE_salinity are 4 to 10 g/kg.
58      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
59      * added SEAICE_availHeatFrac, which specifies fraction of surface level
60        heat content used to melt or grow ice
61      * commented out cap of HICE: it helps keep ice thinner
62      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
63      * applied OBCS T/S mask to HEFFM sea ice mask
64    
65    checkpoint59d
66    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
67     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
68     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
69    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
70     and change default value of parameter "GM_Small_Number";
71     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
72       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
73       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
74    o pkg/ecco: cost function when applying pkg/smooth to controls
75    o pkg/ctrl: add forcingPrecond run time parameter
76    o pkg/seaice:
77     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
78     - fix bug in metric terms of u-equation in LSR solver (implicit part),
79       changes verification/lab_sea
80     - rearrange implicit part of u-equation in LSR solver to make it easier to
81       read, understand, and debug. This causes changes at the truncation level.
82     - fix (serious) bug in the boundary conditions (sign error in the implicit
83       part) of the LSR solver. Changes all LSR results.
84     - fixed problem with HSNOW initialization to avoid thick snow when AREA
85       is initilized with small values - does not change lab_sea results.
86     - added HsnowFile initialization capability
87    o pkg/smooth: addition to model/src and pkg/ctrl so allow
88     initialization of pkg/smooth and application to control vector
89    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
90    o dependencies: pkg/profiles requires pkg/cal
91    o pkg/profiles:
92     - added option ALLOW_PROFILES_GENERICGRID
93         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
94         that interpolation information (grid points and coefficients) is provided
95         within the netcdf input files.
96         -> sample matlab scripts can be found in MITgcm_contrib/gael
97         that allow you to prepare netcdf input files.
98     - also modified: cleaner include statements, cleaner error print statements,
99       cleaner stops when error, and more tests of the netcdf input files consistency.
100    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
101    o pkg/seaice:
102     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
103       requires a new routine: seaice_diagnostics_fill.F
104     - make sure that seaice does not move if not forced (pressure replacement
105       method, Hibler and Ip, 1995), changes results
106     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
107     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
108       It is turned off by default (=-1.), because it changes the results.
109     - make it possible to read AREA from a file, too.
110    
111    checkpoint59c
112    o add S/R and diagnostics for oceanic mixed-layer depth
113    o move GMRedi call after all vertical mixing schemes (including KPP)
114    o pkg/thsice:
115     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
116      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
117  o pkg/obcs:  o pkg/obcs:
118   - bug fix for balance code   - bug fix for balance code
119  o pkg/seaice:  o pkg/seaice:
# Line 18  o change calculation of Visbeck K: Line 128  o change calculation of Visbeck K:
128    - no longer depend on tapering scheme; instead, compute slope (limited    - no longer depend on tapering scheme; instead, compute slope (limited
129      by GM_maxSlope). this is equivalent to what was comuted before with      by GM_maxSlope). this is equivalent to what was comuted before with
130      clipping or linear tappering.      clipping or linear tappering.
131    - fix vertical averaging (wrong by 1 level)    - fix vertical averaging (wrong by 1/2 level)
132    - leave the old version (but will not be maintained) within    - leave the old version (but will not be maintained) within
133      #ifdef OLD_VISBECK_CALC / #endif      #ifdef OLD_VISBECK_CALC / #endif
134      - update output of exp. ideal_2D_oce
135  o change error catch in calc_r_star to improve vectorization  o change error catch in calc_r_star to improve vectorization
136  o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and  o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
137    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
138    o adjoint:
139      Re-organized adjoint checkpointing according to Matt Mazloff
140      (but with modifs/completions/cleanups)
141      Storing is now bundled into large arrays to optimized I/O
142      (and second step in cleanup of the_main_loop)
143    
144  checkpoint59b  checkpoint59b
145  o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):  o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
# Line 77  o pkg/exf: some cleaning-up: Line 193  o pkg/exf: some cleaning-up:
193  o pkg/thsice:  o pkg/thsice:
194   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
195    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
196    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
197    and in thsice_extend.F:    and in thsice_extend.F:
198    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
199    - start to form ice as soon as the minimum ice-volume is reachable.    - start to form ice as soon as the minimum ice-volume is reachable.
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