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revision 1.823 by mlosch, Fri May 25 14:52:27 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:  o pkg/seaice:
18    - allow values of SEAICE_elaticParm > 1    * added computation of saltFlux in seaice_growth;
19    - make lsr boundary conditions free slip (by default)      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:
84     - bug fix for balance code
85    o pkg/seaice:
86      - allow values of SEAICE_elasticParm > 1
87      - 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 72  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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