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revision 1.824 by mlosch, Wed May 30 09:27:05 2007 UTC revision 1.851 by dimitri, Thu Jul 19 15:34:50 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 gather_2d/scatter_2d: removed halo regions
8    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
9      scheme and the corresponding test case (under front_relax dir). For now,
10      only available with Skew-flux form and not yet tested in realistic set-up.
11      adjoint: store directives updated, but gradient checks deteriorated,
12      so maybe GM/Redi adjoint is now broken.
13    o seaice adjoint
14      * add AREA, HEFF, HSNOW as control variable
15        (should not change lab_sea results)
16      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
17    o pkg/seaice:
18      * added computation of saltFlux in seaice_growth;
19        For time being, sea ice salinity is assumed constant
20        contribution of snow flooding to freshening of sea ice is neglected.
21        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
22        defaults to 0.0 in order to maintain backward compatibility.
23        Typical values for SEAICE_salinity are 4 to 10 g/kg.
24      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
25      * added SEAICE_availHeatFrac, which specifies fraction of surface level
26        heat content used to melt or grow ice
27      * commented out cap of HICE: it helps keep ice thinner
28      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
29      * applied OBCS T/S mask to HEFFM sea ice mask
30    
31    checkpoint59d
32    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
33     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
34     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
35    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
36     and change default value of parameter "GM_Small_Number";
37     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
38       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
39       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
40    o pkg/ecco: cost function when applying pkg/smooth to controls
41    o pkg/ctrl: add forcingPrecond run time parameter
42    o pkg/seaice:
43     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
44     - fix bug in metric terms of u-equation in LSR solver (implicit part),
45       changes verification/lab_sea
46     - rearrange implicit part of u-equation in LSR solver to make it easier to
47       read, understand, and debug. This causes changes at the truncation level.
48     - fix (serious) bug in the boundary conditions (sign error in the implicit
49       part) of the LSR solver. Changes all LSR results.
50     - fixed problem with HSNOW initialization to avoid thick snow when AREA
51       is initilized with small values - does not change lab_sea results.
52     - added HsnowFile initialization capability
53    o pkg/smooth: addition to model/src and pkg/ctrl so allow
54     initialization of pkg/smooth and application to control vector
55    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
56    o dependencies: pkg/profiles requires pkg/cal
57    o pkg/profiles:
58     - added option ALLOW_PROFILES_GENERICGRID
59         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
60         that interpolation information (grid points and coefficients) is provided
61         within the netcdf input files.
62         -> sample matlab scripts can be found in MITgcm_contrib/gael
63         that allow you to prepare netcdf input files.
64     - also modified: cleaner include statements, cleaner error print statements,
65       cleaner stops when error, and more tests of the netcdf input files consistency.
66    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
67    o pkg/seaice:
68     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
69       requires a new routine: seaice_diagnostics_fill.F
70     - make sure that seaice does not move if not forced (pressure replacement
71       method, Hibler and Ip, 1995), changes results
72     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
73     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
74       It is turned off by default (=-1.), because it changes the results.
75     - make it possible to read AREA from a file, too.
76    
77    checkpoint59c
78    o add S/R and diagnostics for oceanic mixed-layer depth
79    o move GMRedi call after all vertical mixing schemes (including KPP)
80    o pkg/thsice:
81     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
82      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
83  o pkg/obcs:  o pkg/obcs:
84   - bug fix for balance code   - bug fix for balance code
85  o pkg/seaice:  o pkg/seaice:
86    - allow values of SEAICE_elaticParm > 1    - allow values of SEAICE_elasticParm > 1
87    - make lsr boundary conditions free slip (by default)    - add new parameter SEAICE_evpTauRelax as an alternative
88        to SEAICE_elasticParm
89      - make lsr boundary conditions free slip (by default), changes result
90    - add code for no slip boundary conditions for lsr    - add code for no slip boundary conditions for lsr
91    - set minimum of zeta to zero (and not 4e8) (changes results)    - set minimum of zeta to zero (and not 4e8) (changes results)
92      - add a cap on AREA after advecting AREA if seaice_growth is not called
93  o change calculation of Visbeck K:  o change calculation of Visbeck K:
94    - no longer depend on tapering scheme; instead, compute slope (limited    - no longer depend on tapering scheme; instead, compute slope (limited
95      by GM_maxSlope). this is equivalent to what was comuted before with      by GM_maxSlope). this is equivalent to what was comuted before with
96      clipping or linear tappering.      clipping or linear tappering.
97    - fix vertical averaging (wrong by 1 level)    - fix vertical averaging (wrong by 1/2 level)
98    - leave the old version (but will not be maintained) within    - leave the old version (but will not be maintained) within
99      #ifdef OLD_VISBECK_CALC / #endif      #ifdef OLD_VISBECK_CALC / #endif
100      - update output of exp. ideal_2D_oce
101  o change error catch in calc_r_star to improve vectorization  o change error catch in calc_r_star to improve vectorization
102  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
103    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
104    o adjoint:
105      Re-organized adjoint checkpointing according to Matt Mazloff
106      (but with modifs/completions/cleanups)
107      Storing is now bundled into large arrays to optimized I/O
108      (and second step in cleanup of the_main_loop)
109    
110  checkpoint59b  checkpoint59b
111  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 159  o pkg/exf: some cleaning-up:
159  o pkg/thsice:  o pkg/thsice:
160   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
161    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
162    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
163    and in thsice_extend.F:    and in thsice_extend.F:
164    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
165    - 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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