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revision 1.826 by mlosch, Fri Jun 1 12:57:48 2007 UTC revision 1.852 by dimitri, Sun Jul 22 23:51:15 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 starting implementation of Duffy et al. (GRL 1999) salt plume scheme
8      (#ifdef ALLOW_SALT_PLUME)
9    o gather_2d/scatter_2d: removed halo regions
10    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
11      scheme and the corresponding test case (under front_relax dir). For now,
12      only available with Skew-flux form and not yet tested in realistic set-up.
13      adjoint: store directives updated, but gradient checks deteriorated,
14      so maybe GM/Redi adjoint is now broken.
15    o seaice adjoint
16      * add AREA, HEFF, HSNOW as control variable
17        (should not change lab_sea results)
18      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
19    o pkg/seaice:
20      * added computation of saltFlux in seaice_growth;
21        For time being, sea ice salinity is assumed constant
22        contribution of snow flooding to freshening of sea ice is neglected.
23        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
24        defaults to 0.0 in order to maintain backward compatibility.
25        Typical values for SEAICE_salinity are 4 to 10 g/kg.
26      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
27      * added SEAICE_availHeatFrac, which specifies fraction of surface level
28        heat content used to melt or grow ice
29      * commented out cap of HICE: it helps keep ice thinner
30      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
31      * applied OBCS T/S mask to HEFFM sea ice mask
32    
33    checkpoint59d
34    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
35     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
36     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
37    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
38     and change default value of parameter "GM_Small_Number";
39     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
40       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
41       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
42    o pkg/ecco: cost function when applying pkg/smooth to controls
43    o pkg/ctrl: add forcingPrecond run time parameter
44    o pkg/seaice:
45     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
46     - fix bug in metric terms of u-equation in LSR solver (implicit part),
47       changes verification/lab_sea
48     - rearrange implicit part of u-equation in LSR solver to make it easier to
49       read, understand, and debug. This causes changes at the truncation level.
50     - fix (serious) bug in the boundary conditions (sign error in the implicit
51       part) of the LSR solver. Changes all LSR results.
52     - fixed problem with HSNOW initialization to avoid thick snow when AREA
53       is initilized with small values - does not change lab_sea results.
54     - added HsnowFile initialization capability
55    o pkg/smooth: addition to model/src and pkg/ctrl so allow
56     initialization of pkg/smooth and application to control vector
57    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
58    o dependencies: pkg/profiles requires pkg/cal
59    o pkg/profiles:
60     - added option ALLOW_PROFILES_GENERICGRID
61         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
62         that interpolation information (grid points and coefficients) is provided
63         within the netcdf input files.
64         -> sample matlab scripts can be found in MITgcm_contrib/gael
65         that allow you to prepare netcdf input files.
66     - also modified: cleaner include statements, cleaner error print statements,
67       cleaner stops when error, and more tests of the netcdf input files consistency.
68    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
69    o pkg/seaice:
70     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
71       requires a new routine: seaice_diagnostics_fill.F
72     - make sure that seaice does not move if not forced (pressure replacement
73       method, Hibler and Ip, 1995), changes results
74     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
75     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
76       It is turned off by default (=-1.), because it changes the results.
77     - make it possible to read AREA from a file, too.
78    
79    checkpoint59c
80    o add S/R and diagnostics for oceanic mixed-layer depth
81    o move GMRedi call after all vertical mixing schemes (including KPP)
82    o pkg/thsice:
83     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
84      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
85  o pkg/obcs:  o pkg/obcs:
86   - bug fix for balance code   - bug fix for balance code
87  o pkg/seaice:  o pkg/seaice:
# Line 18  o change calculation of Visbeck K: Line 96  o change calculation of Visbeck K:
96    - no longer depend on tapering scheme; instead, compute slope (limited    - no longer depend on tapering scheme; instead, compute slope (limited
97      by GM_maxSlope). this is equivalent to what was comuted before with      by GM_maxSlope). this is equivalent to what was comuted before with
98      clipping or linear tappering.      clipping or linear tappering.
99    - fix vertical averaging (wrong by 1 level)    - fix vertical averaging (wrong by 1/2 level)
100    - leave the old version (but will not be maintained) within    - leave the old version (but will not be maintained) within
101      #ifdef OLD_VISBECK_CALC / #endif      #ifdef OLD_VISBECK_CALC / #endif
102      - update output of exp. ideal_2D_oce
103  o change error catch in calc_r_star to improve vectorization  o change error catch in calc_r_star to improve vectorization
104  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
105    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
106    o adjoint:
107      Re-organized adjoint checkpointing according to Matt Mazloff
108      (but with modifs/completions/cleanups)
109      Storing is now bundled into large arrays to optimized I/O
110      (and second step in cleanup of the_main_loop)
111    
112  checkpoint59b  checkpoint59b
113  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 161  o pkg/exf: some cleaning-up:
161  o pkg/thsice:  o pkg/thsice:
162   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
163    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
164    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
165    and in thsice_extend.F:    and in thsice_extend.F:
166    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
167    - 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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