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revision 1.730 by cnh, Wed Oct 11 19:30:01 2006 UTC revision 1.791 by jmc, Tue Apr 17 19:47:17 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/exf: fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
8     ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
9    o pkg/exf:
10      move exf header files from lower_case.h to UPPER_CASE.h ;
11      add missing cvs Header & Name
12    o pkg/seaice:
13      - remove seaice_exch and seaice_exch_uv
14      - remove superfluous exchange of theta
15      - add myThid to seaice_budget_ocean/ice
16      - add new interface for atmospheric wind forcing (C-grid only)
17        + new routine
18        + two new field (taux, tauy for stress over ice)
19        + removed one global field (DAIRN) for C-grid case only
20    
21    checkpoint58y_post
22    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
23      vertical diffusivity, similar to that in MOM4; turned on using
24      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
25      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
26    o Added capability for 3D specification of background vertical diffusion
27      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
28      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
29      "data" file that contains the 3D vertical diffusivity coefficients.
30    o ice dynamics (pkg/seaice) with thsice thermodynamics:
31      - add code within pkg thsice to advect & diffuse sea-ice fields
32      similar to (and will replace) what has been added in  seaice_advdiff.F,
33      but: - conserving Mass, Heat & Salt.
34           - better when using non-linear advection scheme (not yet fully tested)
35           - can also be used in atmospheric set-up (for now, only the diffusion).
36    
37    checkpoint58x_post
38    o IO option for global-file compact format:
39      - add options when generating topology (utils/exch2/matlab-topology-generator)
40      - add I/O capability (pkg/mdsio).
41      - adapt utils/matlab/rdmds.m to read this format.
42      for now long-line format not yet supported by pkg/mdsio (& exch2).
43    o shelfice: add a few diagnostics
44    
45    checkpoint58w_post
46    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
47      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
48      (and replace horiVertRatio in NH code).
49      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
50                         and tutorial_plume_on_slope (sensitive to truncation)
51    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
52      directly to drive seaice model (C-grid only)
53    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
54     - reintroduce computation of wind from stress,
55     - compute tau (in exf_bulkformulae.F) from windstress averaged to
56       mass points to avoid tau = 0
57     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
58    o rdmnc.m: make it work with "global" files created with gluemnc
59    o rdmnc.m : some improvements in dealing with singleton dimension
60      (tested on all testreport mnc output files).
61    o genmake2: disable pkg/profiles if netcdf test fails.
62    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
63    o move call to cal_readparms up to make calendar parameters/variable available
64      to all packages
65    
66    checkpoint58v_post
67    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
68      useDynP_inEos_Zc tested.
69    o pkg/exf: changes to properly interpolate/mask/scale initial fields
70    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
71      and portions thereof.  See read_cs.txt for description and examples.
72    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
73      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
74      following the great-circle arc between those 2 points.
75    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
76      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
77    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
78     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
79     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
80     - still needs work (not working with some options ; efficiency to improve)
81       and serious testing.
82     - use this scheme for temperature & salinity in 2 advection test exp.:
83       advect_xy & advect_xz, respectively.
84    
85    checkpoint58u_post
86    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
87    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
88    o testreport: add option "-skipdir" to skip some test.
89    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
90      momentum calculation.
91    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
92    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
93      remove checkpoint.F and the_correction_step.F (no longer used);
94      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
95    o add option (linFSConserveTr) to correct for tracer source/sink due to
96      Linear Free surface
97    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
98    o pkg/thsice: fix reading mnc-pickups
99    
100    checkpoint58t_post
101    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
102    o pkg/mdsio:
103     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
104       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
105       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
106     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
107     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
108       either MDS_READ_FIELD or MDS_WRITE_FIELD )
109     - new S/R (to replace MDSWRITEMETA), which allows to write more
110       informations (variable names, time ...) to meta files.
111     - modify rdmds.m to give back the meta file content.
112    o pkg/diagnostics: change vertical interpolation to be safer, and more
113       flexible (define p-levels to interpolate to in data.diagnostics);
114      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
115       diagnostic pointer.
116    o pkg/seaice: more cleaning up of seaice_growth, added many comments
117    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
118    o fix multi-category seaice:
119     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
120       SEAICE_MULTICATEGORY
121     - fix short wave heat flux
122    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
123       and allow to use EVP solver. Change forward lab_sea: test both EVP
124       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
125    o Initial check-in of lab_sea adjoint
126      (very similar to natl_box_adjoint/code_seaice)
127      * used C-grid and EVP solver
128      * used KPP, GM/Redi
129      * uses inAdExact=.TRUE.
130      * gradient checks fail for both ADM and TLM
131        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
132        f.d. gradients actually seem more problematic than ADM, TLM gradients;
133        issue is related to forward mismatch between g77 an ifort
134    o pkg/seaice: overhaul of thermodynamics
135     - growth.F and groatb.F are replaced by new routine seaice_growth.F
136     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
137     - move a few global fields out of SEAICE.h into seaice_growth.F and
138       make them 2D (FICE/QNETO/ ...)
139     - remove FO (it is the same as QNETO)
140     - introduce a few local fields to avoid modifying external fields such
141       as atemp, etc.
142    
143    checkpoint58s_post
144    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
145      changed exf_set_gen.F so that
146        genperiod=0 means input file is one time-constant field and
147        genperiod=-12 means input file contains 12 monthly means
148    o CG2D: use pre-computed solver main-diagonal (stored in common block);
149      this affects truncation error ; generate new output file for exp. which
150      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
151        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
152        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
153        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
154        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
155        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
156    o start implementation of deep-atmosphere and anelastic formulation
157    o verification: remove 2nd copy of input files and use script "prepare_run"
158      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
159    o mom_common/vecinv/fluxform: fix a few initialisation isssues
160    o profiles: fix for multithreaded case
161    
162    o diagnostics: rename few diags:
163      s/'PRESSURE'/'RCENTER '/g
164      s/'TICE    '/'oceFreez'/g
165      s/'TAUX    '/'oceTAUX '/g
166      s/'TAUY    '/'oceTAUY '/g
167      s/'SWFLUX  '/'oceQsw  '/g
168      s/DIFx/DFxE/g
169      s/DIFy/DFyE/g
170      and add few ocean-forcing diagnostics:
171      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
172    o modifications to pkg/seaice/growth.F and budget.F, which change results of
173      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
174      as actual snow thickness.  It now refers everywhere to effective snow
175      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
176    
177    checkpoint58r_post
178    o modifications to pkg/seaice/growth.F, which change results of
179      lab_sea experiment: fixes pertain to melting snow over open water, to
180      masking EVAP under sea ice, and to using the correct AREA variable for
181      computations of EVAP, PRECIP, HSNOW, and GHEFF
182    o add ability to read bathy, salt, and theta using MNC (off by def)
183    o add flooding algorithm and advection of HSNOW for pkg/seaice;
184      both are turned off by default and do no change any results
185    o seaice advection with pkg/thsice: a step toward the use of non-linear
186      advection scheme, but #ifdef or commented out for now (requires more EXCH).
187    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
188      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
189      in natl_box (affects results @ truncation level: update output.txt)
190    o multi-threading and IO:
191      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
192      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
193        (needed to work with SingleCpuIO): tested in all verif. exp.
194    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
195      affects the results (but none of the verification test uses this scheme).
196    o Adding some pkg/diagnostics capability to pkg/seaice
197      (will certainly be subject to changes)
198    o ctrl: adding new control variables:
199      lwflux, lwdown, evap, snowprecip, apressure, runoff
200    
201    checkpoint58q_post
202    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
203      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
204      high_res_cube configuration by 4% on Columbia.
205    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
206      add (in global_with_exf/code) a version of EXF_INTERP_READ without
207      dynamical allocation (seems to work in multi-threaded).
208    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
209      single CPU io) so that TAF does not have to see EESUPPORT.h
210  o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)  o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
211    
212  checkpoint58p_post  checkpoint58p_post

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