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revision 1.747 by dimitri, Mon Nov 20 20:06:43 2006 UTC revision 1.800 by mlosch, Tue Apr 24 11:24:37 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/kpp: replaced _KPP_RL with _RL
8    o bug fixes for vertical diffusivity computations when both KPP and
9        3D diffusivity arrays are used.
10    o pkg/seaice: fix bug in evp solver, while doing that
11      - change (improve?) discretization of stress computations for both
12        cgrid-lsr and evp solver
13      - add a new routine to compute strain rates
14      - the above changes lab_sea results
15      - add no slip conditions for evp solver (off by default), lsr-version
16        may follow
17      - fix exchange for shear at Z-points (does not change lab_sea)
18      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
19        (to force the user to pick a time step since there is not "safe" way
20        of choosing it)
21      - add principal stress diagnostics
22      - rearrange fields for evp a little to avoid having to call a: too many
23        exchanges and b: exchanges for stress trensor components which we do
24        not have.
25      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
26        of evp, complete rewrite for lsr case (latter is does not yet work
27        in all cases)
28    o pkg/kpp: add code to have mixing in shelf ice caverns
29    
30    checkpoint59
31    o pkg/exf:
32      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
33        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
34      - move exf header files from lower_case.h to UPPER_CASE.h ;
35        add missing cvs Header & Name
36      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
37      - add namelist param. selectStressGridPosition, exf_monFreq
38      - retire many _CLIM routines, and remove data.exf_clim
39        + params moved to data.exf
40        + climsst, climsss now handled by exf_set_gen, i.e.
41          climss?period=0 refers to constant field,
42          climss?period=-12 to monthly forcing
43      - split up namelists in data.exf
44    o pkg/seaice:
45      - remove seaice_exch and seaice_exch_uv
46      - remove superfluous exchange of theta
47      - add myThid to seaice_budget_ocean/ice
48      - add new interface for atmospheric wind forcing (C-grid only)
49        + new routine
50        + two new field (taux, tauy for stress over ice)
51        + removed one global field (DAIRN) for C-grid case only
52    o pkg/thsise
53      - 2nd set of modifs for thsice adjoint in conjunction with exf
54    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
55    
56    checkpoint58y_post
57    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
58      vertical diffusivity, similar to that in MOM4; turned on using
59      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
60      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
61    o Added capability for 3D specification of background vertical diffusion
62      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
63      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
64      "data" file that contains the 3D vertical diffusivity coefficients.
65    o ice dynamics (pkg/seaice) with thsice thermodynamics:
66      - add code within pkg thsice to advect & diffuse sea-ice fields
67      similar to (and will replace) what has been added in  seaice_advdiff.F,
68      but: - conserving Mass, Heat & Salt.
69           - better when using non-linear advection scheme (not yet fully tested)
70           - can also be used in atmospheric set-up (for now, only the diffusion).
71    
72    checkpoint58x_post
73    o IO option for global-file compact format:
74      - add options when generating topology (utils/exch2/matlab-topology-generator)
75      - add I/O capability (pkg/mdsio).
76      - adapt utils/matlab/rdmds.m to read this format.
77      for now long-line format not yet supported by pkg/mdsio (& exch2).
78    o shelfice: add a few diagnostics
79    
80    checkpoint58w_post
81    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
82      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
83      (and replace horiVertRatio in NH code).
84      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
85                         and tutorial_plume_on_slope (sensitive to truncation)
86    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
87      directly to drive seaice model (C-grid only)
88    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
89     - reintroduce computation of wind from stress,
90     - compute tau (in exf_bulkformulae.F) from windstress averaged to
91       mass points to avoid tau = 0
92     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
93    o rdmnc.m: make it work with "global" files created with gluemnc
94    o rdmnc.m : some improvements in dealing with singleton dimension
95      (tested on all testreport mnc output files).
96    o genmake2: disable pkg/profiles if netcdf test fails.
97    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
98    o move call to cal_readparms up to make calendar parameters/variable available
99      to all packages
100    
101    checkpoint58v_post
102    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
103      useDynP_inEos_Zc tested.
104    o pkg/exf: changes to properly interpolate/mask/scale initial fields
105    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
106      and portions thereof.  See read_cs.txt for description and examples.
107    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
108      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
109      following the great-circle arc between those 2 points.
110    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
111      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
112    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
113     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
114     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
115     - still needs work (not working with some options ; efficiency to improve)
116       and serious testing.
117     - use this scheme for temperature & salinity in 2 advection test exp.:
118       advect_xy & advect_xz, respectively.
119    
120    checkpoint58u_post
121    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
122    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
123    o testreport: add option "-skipdir" to skip some test.
124    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
125      momentum calculation.
126    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
127    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
128      remove checkpoint.F and the_correction_step.F (no longer used);
129      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
130    o add option (linFSConserveTr) to correct for tracer source/sink due to
131      Linear Free surface
132    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
133    o pkg/thsice: fix reading mnc-pickups
134    
135    checkpoint58t_post
136    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
137    o pkg/mdsio:
138     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
139       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
140       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
141     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
142     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
143       either MDS_READ_FIELD or MDS_WRITE_FIELD )
144     - new S/R (to replace MDSWRITEMETA), which allows to write more
145       informations (variable names, time ...) to meta files.
146     - modify rdmds.m to give back the meta file content.
147    o pkg/diagnostics: change vertical interpolation to be safer, and more
148       flexible (define p-levels to interpolate to in data.diagnostics);
149      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
150       diagnostic pointer.
151    o pkg/seaice: more cleaning up of seaice_growth, added many comments
152    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
153    o fix multi-category seaice:
154     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
155       SEAICE_MULTICATEGORY
156     - fix short wave heat flux
157    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
158       and allow to use EVP solver. Change forward lab_sea: test both EVP
159       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
160    o Initial check-in of lab_sea adjoint
161      (very similar to natl_box_adjoint/code_seaice)
162      * used C-grid and EVP solver
163      * used KPP, GM/Redi
164      * uses inAdExact=.TRUE.
165      * gradient checks fail for both ADM and TLM
166        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
167        f.d. gradients actually seem more problematic than ADM, TLM gradients;
168        issue is related to forward mismatch between g77 an ifort
169    o pkg/seaice: overhaul of thermodynamics
170     - growth.F and groatb.F are replaced by new routine seaice_growth.F
171     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
172     - move a few global fields out of SEAICE.h into seaice_growth.F and
173       make them 2D (FICE/QNETO/ ...)
174     - remove FO (it is the same as QNETO)
175     - introduce a few local fields to avoid modifying external fields such
176       as atemp, etc.
177    
178    checkpoint58s_post
179    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
180      changed exf_set_gen.F so that
181        genperiod=0 means input file is one time-constant field and
182        genperiod=-12 means input file contains 12 monthly means
183    o CG2D: use pre-computed solver main-diagonal (stored in common block);
184      this affects truncation error ; generate new output file for exp. which
185      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
186        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
187        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
188        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
189        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
190        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
191    o start implementation of deep-atmosphere and anelastic formulation
192    o verification: remove 2nd copy of input files and use script "prepare_run"
193      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
194    o mom_common/vecinv/fluxform: fix a few initialisation isssues
195    o profiles: fix for multithreaded case
196    
197  o diagnostics: rename few diags:  o diagnostics: rename few diags:
198    s/'PRESSURE'/'RCENTER '/g    s/'PRESSURE'/'RCENTER '/g
199    s/'TICE    '/'oceFreez'/g    s/'TICE    '/'oceFreez'/g

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