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revision 1.821 by jmc, Thu May 24 23:10:12 2007 UTC revision 1.841 by gforget, Wed Jun 20 19:39:04 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/ecco: cost function when applying pkg/smooth to controls
8    o pkg/ctrl: add forcingPrecond run time parameter
9    o pkg/seaice:
10     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
11     - fix bug in metric terms of u-equation in LSR solver (implicit part),
12       changes verification/lab_sea
13     - rearrange implicit part of u-equation in LSR solver to make it easier to
14       read, understand, and debug. This causes changes at the truncation level.
15     - fix (serious) bug in the boundary conditions (sign error in the implicit
16       part) of the LSR solver. Changes all LSR results.
17     - fixed problem with HSNOW initialization to avoid thick snow when AREA
18       is initilized with small values - does not change lab_sea results.
19     - added HsnowFile initialization capability
20    o pkg/smooth: addition to model/src and pkg/ctrl so allow
21     initialization of pkg/smooth and application to control vector
22    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
23    o dependencies: pkg/profiles requires pkg/cal
24    o pkg/profiles:
25     - added option ALLOW_PROFILES_GENERICGRID
26         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
27         that interpolation information (grid points and coefficients) is provided
28         within the netcdf input files.
29         -> sample matlab scripts can be found in MITgcm_contrib/gael
30         that allow you to prepare netcdf input files.
31     - also modified: cleaner include statements, cleaner error print statements,
32       cleaner stops when error, and more tests of the netcdf input files consistency.
33    
34    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
35    o pkg/seaice:
36     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
37       requires a new routine: seaice_diagnostics_fill.F
38     - make sure that seaice does not move if not forced (pressure replacement
39       method, Hibler and Ip, 1995), changes results
40     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
41     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
42       It is turned off by default (=-1.), because it changes the results.
43     - make it possible to read AREA from a file, too.
44    
45    checkpoint59c
46    o add S/R and diagnostics for oceanic mixed-layer depth
47    o move GMRedi call after all vertical mixing schemes (including KPP)
48    o pkg/thsice:
49     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
50      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
51    o pkg/obcs:
52     - bug fix for balance code
53    o pkg/seaice:
54      - allow values of SEAICE_elasticParm > 1
55      - add new parameter SEAICE_evpTauRelax as an alternative
56        to SEAICE_elasticParm
57      - make lsr boundary conditions free slip (by default), changes result
58      - add code for no slip boundary conditions for lsr
59      - set minimum of zeta to zero (and not 4e8) (changes results)
60      - add a cap on AREA after advecting AREA if seaice_growth is not called
61  o change calculation of Visbeck K:  o change calculation of Visbeck K:
62    - no longer depend on tapering scheme; instead, compute slope (limited    - no longer depend on tapering scheme; instead, compute slope (limited
63      by GM_maxSlope). this is equivalent to what was comuted before with      by GM_maxSlope). this is equivalent to what was comuted before with
64      clipping or linear tappering.      clipping or linear tappering.
65    - fix vertical averaging (wrong by 1 level)    - fix vertical averaging (wrong by 1/2 level)
66    - leave the old version (but will not be maintained) within    - leave the old version (but will not be maintained) within
67      #ifdef OLD_VISBECK_CALC / #endif      #ifdef OLD_VISBECK_CALC / #endif
68      - update output of exp. ideal_2D_oce
69  o change error catch in calc_r_star to improve vectorization  o change error catch in calc_r_star to improve vectorization
70  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
71    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
72    o adjoint:
73      Re-organized adjoint checkpointing according to Matt Mazloff
74      (but with modifs/completions/cleanups)
75      Storing is now bundled into large arrays to optimized I/O
76      (and second step in cleanup of the_main_loop)
77    
78  checkpoint59b  checkpoint59b
79  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 67  o pkg/exf: some cleaning-up: Line 127  o pkg/exf: some cleaning-up:
127  o pkg/thsice:  o pkg/thsice:
128   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
129    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
130    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
131    and in thsice_extend.F:    and in thsice_extend.F:
132    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
133    - 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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