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revision 1.824 by mlosch, Wed May 30 09:27:05 2007 UTC revision 1.849 by dimitri, Wed Jul 18 22:26:05 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 gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
8      scheme and the corresponding test case (under front_relax dir). For now,
9      only available with Skew-flux form and not yet tested in realistic set-up.
10      adjoint: store directives updated, but gradient checks deteriorated,
11      so maybe GM/Redi adjoint is now broken.
12    o seaice adjoint
13      * add AREA, HEFF, HSNOW as control variable
14        (should not change lab_sea results)
15      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
16    o pkg/seaice:
17      * added computation of saltFlux in seaice_growth;
18        For time being, sea ice salinity is assumed constant
19        contribution of snow flooding to freshening of sea ice is neglected.
20        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
21        defaults to 0.0 in order to maintain backward compatibility.
22        Typical values for SEAICE_salinity are 4 to 10 g/kg.
23      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
24      * added SEAICE_availHeatFrac, which specifies fraction of surface level
25        heat content used to melt or grow ice
26      * commented out cap of HICE: it helps keep ice thinner
27      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
28    
29    checkpoint59d
30    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
31     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
32     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
33    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
34     and change default value of parameter "GM_Small_Number";
35     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
36       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
37       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
38    o pkg/ecco: cost function when applying pkg/smooth to controls
39    o pkg/ctrl: add forcingPrecond run time parameter
40    o pkg/seaice:
41     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
42     - fix bug in metric terms of u-equation in LSR solver (implicit part),
43       changes verification/lab_sea
44     - rearrange implicit part of u-equation in LSR solver to make it easier to
45       read, understand, and debug. This causes changes at the truncation level.
46     - fix (serious) bug in the boundary conditions (sign error in the implicit
47       part) of the LSR solver. Changes all LSR results.
48     - fixed problem with HSNOW initialization to avoid thick snow when AREA
49       is initilized with small values - does not change lab_sea results.
50     - added HsnowFile initialization capability
51    o pkg/smooth: addition to model/src and pkg/ctrl so allow
52     initialization of pkg/smooth and application to control vector
53    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
54    o dependencies: pkg/profiles requires pkg/cal
55    o pkg/profiles:
56     - added option ALLOW_PROFILES_GENERICGRID
57         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
58         that interpolation information (grid points and coefficients) is provided
59         within the netcdf input files.
60         -> sample matlab scripts can be found in MITgcm_contrib/gael
61         that allow you to prepare netcdf input files.
62     - also modified: cleaner include statements, cleaner error print statements,
63       cleaner stops when error, and more tests of the netcdf input files consistency.
64    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
65    o pkg/seaice:
66     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
67       requires a new routine: seaice_diagnostics_fill.F
68     - make sure that seaice does not move if not forced (pressure replacement
69       method, Hibler and Ip, 1995), changes results
70     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
71     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
72       It is turned off by default (=-1.), because it changes the results.
73     - make it possible to read AREA from a file, too.
74    
75    checkpoint59c
76    o add S/R and diagnostics for oceanic mixed-layer depth
77    o move GMRedi call after all vertical mixing schemes (including KPP)
78    o pkg/thsice:
79     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
80      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
81  o pkg/obcs:  o pkg/obcs:
82   - bug fix for balance code   - bug fix for balance code
83  o pkg/seaice:  o pkg/seaice:
84    - allow values of SEAICE_elaticParm > 1    - allow values of SEAICE_elasticParm > 1
85    - make lsr boundary conditions free slip (by default)    - add new parameter SEAICE_evpTauRelax as an alternative
86        to SEAICE_elasticParm
87      - make lsr boundary conditions free slip (by default), changes result
88    - add code for no slip boundary conditions for lsr    - add code for no slip boundary conditions for lsr
89    - set minimum of zeta to zero (and not 4e8) (changes results)    - set minimum of zeta to zero (and not 4e8) (changes results)
90      - add a cap on AREA after advecting AREA if seaice_growth is not called
91  o change calculation of Visbeck K:  o change calculation of Visbeck K:
92    - no longer depend on tapering scheme; instead, compute slope (limited    - no longer depend on tapering scheme; instead, compute slope (limited
93      by GM_maxSlope). this is equivalent to what was comuted before with      by GM_maxSlope). this is equivalent to what was comuted before with
94      clipping or linear tappering.      clipping or linear tappering.
95    - fix vertical averaging (wrong by 1 level)    - fix vertical averaging (wrong by 1/2 level)
96    - leave the old version (but will not be maintained) within    - leave the old version (but will not be maintained) within
97      #ifdef OLD_VISBECK_CALC / #endif      #ifdef OLD_VISBECK_CALC / #endif
98      - update output of exp. ideal_2D_oce
99  o change error catch in calc_r_star to improve vectorization  o change error catch in calc_r_star to improve vectorization
100  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
101    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
102    o adjoint:
103      Re-organized adjoint checkpointing according to Matt Mazloff
104      (but with modifs/completions/cleanups)
105      Storing is now bundled into large arrays to optimized I/O
106      (and second step in cleanup of the_main_loop)
107    
108  checkpoint59b  checkpoint59b
109  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 157  o pkg/exf: some cleaning-up:
157  o pkg/thsice:  o pkg/thsice:
158   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
159    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
160    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
161    and in thsice_extend.F:    and in thsice_extend.F:
162    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
163    - 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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