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revision 1.811 by mlosch, Wed May 9 14:32:05 2007 UTC revision 1.846 by dimitri, Fri Jun 22 06:41:09 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    o seaice adjoint
11      * add AREA, HEFF, HSNOW as control variable
12        (should not change lab_sea results)
13      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
14    o pkg/seaice: added computation of saltFlux in seaice_growth;
15       For time being, sea ice salinity is assumed constant
16       contribution of snow flooding to freshening of sea ice is neglected.
17       SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
18       defaults to 0.0 in order to maintain backward compatibility.
19       Typical values for SEAICE_salinity are 4 to 10 g/kg.
20    
21    checkpoint59d
22    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
23     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
24     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
25    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
26     and change default value of parameter "GM_Small_Number";
27     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
28       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
29       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
30    o pkg/ecco: cost function when applying pkg/smooth to controls
31    o pkg/ctrl: add forcingPrecond run time parameter
32    o pkg/seaice:
33     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
34     - fix bug in metric terms of u-equation in LSR solver (implicit part),
35       changes verification/lab_sea
36     - rearrange implicit part of u-equation in LSR solver to make it easier to
37       read, understand, and debug. This causes changes at the truncation level.
38     - fix (serious) bug in the boundary conditions (sign error in the implicit
39       part) of the LSR solver. Changes all LSR results.
40     - fixed problem with HSNOW initialization to avoid thick snow when AREA
41       is initilized with small values - does not change lab_sea results.
42     - added HsnowFile initialization capability
43    o pkg/smooth: addition to model/src and pkg/ctrl so allow
44     initialization of pkg/smooth and application to control vector
45    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
46    o dependencies: pkg/profiles requires pkg/cal
47    o pkg/profiles:
48     - added option ALLOW_PROFILES_GENERICGRID
49         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
50         that interpolation information (grid points and coefficients) is provided
51         within the netcdf input files.
52         -> sample matlab scripts can be found in MITgcm_contrib/gael
53         that allow you to prepare netcdf input files.
54     - also modified: cleaner include statements, cleaner error print statements,
55       cleaner stops when error, and more tests of the netcdf input files consistency.
56    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
57    o pkg/seaice:
58     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
59       requires a new routine: seaice_diagnostics_fill.F
60     - make sure that seaice does not move if not forced (pressure replacement
61       method, Hibler and Ip, 1995), changes results
62     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
63     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
64       It is turned off by default (=-1.), because it changes the results.
65     - make it possible to read AREA from a file, too.
66    
67    checkpoint59c
68    o add S/R and diagnostics for oceanic mixed-layer depth
69    o move GMRedi call after all vertical mixing schemes (including KPP)
70    o pkg/thsice:
71     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
72      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
73    o pkg/obcs:
74     - bug fix for balance code
75    o pkg/seaice:
76      - allow values of SEAICE_elasticParm > 1
77      - add new parameter SEAICE_evpTauRelax as an alternative
78        to SEAICE_elasticParm
79      - make lsr boundary conditions free slip (by default), changes result
80      - add code for no slip boundary conditions for lsr
81      - set minimum of zeta to zero (and not 4e8) (changes results)
82      - add a cap on AREA after advecting AREA if seaice_growth is not called
83    o change calculation of Visbeck K:
84      - no longer depend on tapering scheme; instead, compute slope (limited
85        by GM_maxSlope). this is equivalent to what was comuted before with
86        clipping or linear tappering.
87      - fix vertical averaging (wrong by 1/2 level)
88      - leave the old version (but will not be maintained) within
89        #ifdef OLD_VISBECK_CALC / #endif
90      - update output of exp. ideal_2D_oce
91    o change error catch in calc_r_star to improve vectorization
92    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
93      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
94    o adjoint:
95      Re-organized adjoint checkpointing according to Matt Mazloff
96      (but with modifs/completions/cleanups)
97      Storing is now bundled into large arrays to optimized I/O
98      (and second step in cleanup of the_main_loop)
99    
100    checkpoint59b
101    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
102      - export/import (between ocean & coupler) fields needed for ocean DIC.
103    o pkg/seaice:
104      - get rid of three more exchanges seaice_calc_viscosities (required
105        different loop boundaries in seaice_lsr and seaice_ocean_stress)
106      - bug fix in seaice_ocean_stress (update of lab_sea required)
107      - reduce loop boundaries to necessary minimum also in seaice_evp
108      - go back to the old way of computing deltaC/Z as the adjoint likes that
109        better
110    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
111      passive tracer to an Age Tracer) + update output.txt
112    o pkg/exf:
113      - implement A-grid / C-grid selection for wind-stress input files.
114      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
115      for now, in exf_bulk_largeyeager04.F only :
116      - change implementation for case where windspeed + 2. components wind-stress
117        are read-in. AND use rhoConstFresh to convert evap.
118    o pkg/seaice:
119      - use correct EXCH_UV for wind-forcing (on A-grid).
120      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
121        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
122    o pkg/exf:
123      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
124      EXF_INTERPOLATION:
125      - merge global_with_exf/code version of exf_interp_read.F
126        to the main code ;
127      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
128        reading the file ; Important: This options needs to be defined to recover
129        previous code.
130        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
131      - no longer loose real*8 precision along the way when using exf_iprec=64.
132  o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)  o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
133      - change discretisation of evp-solver in order to avoid another exchange
134        (changes lab_sea) and clean up a little
135      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
136        help the adjoint (this also changes the results slightly)
137      - add a few "_d 0" where they had been missing in seaice_evp.F
138      - cleaning up: remove unused seaice_calc_rhs.F
139  o pkg/exf: some cleaning-up:  o pkg/exf: some cleaning-up:
140    - change various "constants" into runtime parameters    - change various "constants" into runtime parameters
141    - cleaned-up Large&Yeager04 routine which should eventually    - cleaned-up Large&Yeager04 routine which should eventually
# Line 18  o pkg/exf: some cleaning-up: Line 149  o pkg/exf: some cleaning-up:
149  o pkg/thsice:  o pkg/thsice:
150   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
151    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
152    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
153    and in thsice_extend.F:    and in thsice_extend.F:
154    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
155    - 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.
# Line 34  o pkg/kpp Line 165  o pkg/kpp
165  o pkg/seaice  o pkg/seaice
166   - check for inconsistent evp parameter/cpp-flag combination   - check for inconsistent evp parameter/cpp-flag combination
167   - remove leftover errIO flat for obsolete name list error handling   - remove leftover errIO flat for obsolete name list error handling
168    o OpenAD
169     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
170    
171  checkpoint59a  checkpoint59a
172  o pkg/seaice: some parameter clarifications and a little bit of clean up  o pkg/seaice: some parameter clarifications and a little bit of clean up

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