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revision 1.824 by mlosch, Wed May 30 09:27:05 2007 UTC revision 1.840 by dimitri, Wed Jun 20 14:08:22 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/seaice:
8     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
9     - fix bug in metric terms of u-equation in LSR solver (implicit part),
10       changes verification/lab_sea
11     - rearrange implicit part of u-equation in LSR solver to make it easier to
12       read, understand, and debug. This causes changes at the truncation level.
13     - fix (serious) bug in the boundary conditions (sign error in the implicit
14       part) of the LSR solver. Changes all LSR results.
15     - fixed problem with HSNOW initialization to avoid thick snow when AREA
16       is initilized with small values - does not change lab_sea results.
17     - added HsnowFile initialization capability
18    o pkg/smooth: addition to model/src and pkg/ctrl so allow
19     initialization of pkg/smooth and application to control vector
20    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
21    o dependencies: pkg/profiles requires pkg/cal
22    o pkg/profiles:
23     - added option ALLOW_PROFILES_GENERICGRID
24         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
25         that interpolation information (grid points and coefficients) is provided
26         within the netcdf input files.
27         -> sample matlab scripts can be found in MITgcm_contrib/gael
28         that allow you to prepare netcdf input files.
29     - also modified: cleaner include statements, cleaner error print statements,
30       cleaner stops when error, and more tests of the netcdf input files consistency.
31    
32    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
33    o pkg/seaice:
34     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
35       requires a new routine: seaice_diagnostics_fill.F
36     - make sure that seaice does not move if not forced (pressure replacement
37       method, Hibler and Ip, 1995), changes results
38     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
39     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
40       It is turned off by default (=-1.), because it changes the results.
41     - make it possible to read AREA from a file, too.
42    
43    checkpoint59c
44    o add S/R and diagnostics for oceanic mixed-layer depth
45    o move GMRedi call after all vertical mixing schemes (including KPP)
46    o pkg/thsice:
47     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
48      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
49  o pkg/obcs:  o pkg/obcs:
50   - bug fix for balance code   - bug fix for balance code
51  o pkg/seaice:  o pkg/seaice:
52    - allow values of SEAICE_elaticParm > 1    - allow values of SEAICE_elasticParm > 1
53    - make lsr boundary conditions free slip (by default)    - add new parameter SEAICE_evpTauRelax as an alternative
54        to SEAICE_elasticParm
55      - make lsr boundary conditions free slip (by default), changes result
56    - add code for no slip boundary conditions for lsr    - add code for no slip boundary conditions for lsr
57    - set minimum of zeta to zero (and not 4e8) (changes results)    - set minimum of zeta to zero (and not 4e8) (changes results)
58      - add a cap on AREA after advecting AREA if seaice_growth is not called
59  o change calculation of Visbeck K:  o change calculation of Visbeck K:
60    - no longer depend on tapering scheme; instead, compute slope (limited    - no longer depend on tapering scheme; instead, compute slope (limited
61      by GM_maxSlope). this is equivalent to what was comuted before with      by GM_maxSlope). this is equivalent to what was comuted before with
62      clipping or linear tappering.      clipping or linear tappering.
63    - fix vertical averaging (wrong by 1 level)    - fix vertical averaging (wrong by 1/2 level)
64    - leave the old version (but will not be maintained) within    - leave the old version (but will not be maintained) within
65      #ifdef OLD_VISBECK_CALC / #endif      #ifdef OLD_VISBECK_CALC / #endif
66      - update output of exp. ideal_2D_oce
67  o change error catch in calc_r_star to improve vectorization  o change error catch in calc_r_star to improve vectorization
68  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
69    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
70    o adjoint:
71      Re-organized adjoint checkpointing according to Matt Mazloff
72      (but with modifs/completions/cleanups)
73      Storing is now bundled into large arrays to optimized I/O
74      (and second step in cleanup of the_main_loop)
75    
76  checkpoint59b  checkpoint59b
77  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 74  o pkg/exf: some cleaning-up: Line 125  o pkg/exf: some cleaning-up:
125  o pkg/thsice:  o pkg/thsice:
126   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
127    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
128    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
129    and in thsice_extend.F:    and in thsice_extend.F:
130    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
131    - 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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