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revision 1.703 by gforget, Fri Jul 14 22:14:28 2006 UTC revision 1.790 by mlosch, Tue Apr 17 16:15:27 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:
8      move exf header files from lower_case.h to UPPER_CASE.h ;
9      add missing cvs Header & Name
10    o pkg/seaice:
11      - remove seaice_exch and seaice_exch_uv
12      - remove superfluous exchange of theta
13      - add myThid to seaice_budget_ocean/ice
14      - add new interface for atmospheric wind forcing (C-grid only)
15        + new routine
16        + two new field (taux, tauy for stress over ice)
17        + removed one global field (DAIRN) for C-grid case only
18    
19    checkpoint58y_post
20    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
21      vertical diffusivity, similar to that in MOM4; turned on using
22      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
23      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
24    o Added capability for 3D specification of background vertical diffusion
25      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
26      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
27      "data" file that contains the 3D vertical diffusivity coefficients.
28    o ice dynamics (pkg/seaice) with thsice thermodynamics:
29      - add code within pkg thsice to advect & diffuse sea-ice fields
30      similar to (and will replace) what has been added in  seaice_advdiff.F,
31      but: - conserving Mass, Heat & Salt.
32           - better when using non-linear advection scheme (not yet fully tested)
33           - can also be used in atmospheric set-up (for now, only the diffusion).
34    
35    checkpoint58x_post
36    o IO option for global-file compact format:
37      - add options when generating topology (utils/exch2/matlab-topology-generator)
38      - add I/O capability (pkg/mdsio).
39      - adapt utils/matlab/rdmds.m to read this format.
40      for now long-line format not yet supported by pkg/mdsio (& exch2).
41    o shelfice: add a few diagnostics
42    
43    checkpoint58w_post
44    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
45      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
46      (and replace horiVertRatio in NH code).
47      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
48                         and tutorial_plume_on_slope (sensitive to truncation)
49    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
50      directly to drive seaice model (C-grid only)
51    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
52     - reintroduce computation of wind from stress,
53     - compute tau (in exf_bulkformulae.F) from windstress averaged to
54       mass points to avoid tau = 0
55     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
56    o rdmnc.m: make it work with "global" files created with gluemnc
57    o rdmnc.m : some improvements in dealing with singleton dimension
58      (tested on all testreport mnc output files).
59    o genmake2: disable pkg/profiles if netcdf test fails.
60    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
61    o move call to cal_readparms up to make calendar parameters/variable available
62      to all packages
63    
64    checkpoint58v_post
65    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
66      useDynP_inEos_Zc tested.
67    o pkg/exf: changes to properly interpolate/mask/scale initial fields
68    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
69      and portions thereof.  See read_cs.txt for description and examples.
70    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
71      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
72      following the great-circle arc between those 2 points.
73    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
74      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
75    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
76     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
77     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
78     - still needs work (not working with some options ; efficiency to improve)
79       and serious testing.
80     - use this scheme for temperature & salinity in 2 advection test exp.:
81       advect_xy & advect_xz, respectively.
82    
83    checkpoint58u_post
84    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
85    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
86    o testreport: add option "-skipdir" to skip some test.
87    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
88      momentum calculation.
89    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
90    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
91      remove checkpoint.F and the_correction_step.F (no longer used);
92      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
93    o add option (linFSConserveTr) to correct for tracer source/sink due to
94      Linear Free surface
95    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
96    o pkg/thsice: fix reading mnc-pickups
97    
98    checkpoint58t_post
99    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
100    o pkg/mdsio:
101     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
102       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
103       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
104     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
105     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
106       either MDS_READ_FIELD or MDS_WRITE_FIELD )
107     - new S/R (to replace MDSWRITEMETA), which allows to write more
108       informations (variable names, time ...) to meta files.
109     - modify rdmds.m to give back the meta file content.
110    o pkg/diagnostics: change vertical interpolation to be safer, and more
111       flexible (define p-levels to interpolate to in data.diagnostics);
112      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
113       diagnostic pointer.
114    o pkg/seaice: more cleaning up of seaice_growth, added many comments
115    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
116    o fix multi-category seaice:
117     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
118       SEAICE_MULTICATEGORY
119     - fix short wave heat flux
120    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
121       and allow to use EVP solver. Change forward lab_sea: test both EVP
122       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
123    o Initial check-in of lab_sea adjoint
124      (very similar to natl_box_adjoint/code_seaice)
125      * used C-grid and EVP solver
126      * used KPP, GM/Redi
127      * uses inAdExact=.TRUE.
128      * gradient checks fail for both ADM and TLM
129        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
130        f.d. gradients actually seem more problematic than ADM, TLM gradients;
131        issue is related to forward mismatch between g77 an ifort
132    o pkg/seaice: overhaul of thermodynamics
133     - growth.F and groatb.F are replaced by new routine seaice_growth.F
134     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
135     - move a few global fields out of SEAICE.h into seaice_growth.F and
136       make them 2D (FICE/QNETO/ ...)
137     - remove FO (it is the same as QNETO)
138     - introduce a few local fields to avoid modifying external fields such
139       as atemp, etc.
140    
141    checkpoint58s_post
142    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
143      changed exf_set_gen.F so that
144        genperiod=0 means input file is one time-constant field and
145        genperiod=-12 means input file contains 12 monthly means
146    o CG2D: use pre-computed solver main-diagonal (stored in common block);
147      this affects truncation error ; generate new output file for exp. which
148      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
149        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
150        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
151        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
152        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
153        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
154    o start implementation of deep-atmosphere and anelastic formulation
155    o verification: remove 2nd copy of input files and use script "prepare_run"
156      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
157    o mom_common/vecinv/fluxform: fix a few initialisation isssues
158    o profiles: fix for multithreaded case
159    
160    o diagnostics: rename few diags:
161      s/'PRESSURE'/'RCENTER '/g
162      s/'TICE    '/'oceFreez'/g
163      s/'TAUX    '/'oceTAUX '/g
164      s/'TAUY    '/'oceTAUY '/g
165      s/'SWFLUX  '/'oceQsw  '/g
166      s/DIFx/DFxE/g
167      s/DIFy/DFyE/g
168      and add few ocean-forcing diagnostics:
169      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
170    o modifications to pkg/seaice/growth.F and budget.F, which change results of
171      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
172      as actual snow thickness.  It now refers everywhere to effective snow
173      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
174    
175    checkpoint58r_post
176    o modifications to pkg/seaice/growth.F, which change results of
177      lab_sea experiment: fixes pertain to melting snow over open water, to
178      masking EVAP under sea ice, and to using the correct AREA variable for
179      computations of EVAP, PRECIP, HSNOW, and GHEFF
180    o add ability to read bathy, salt, and theta using MNC (off by def)
181    o add flooding algorithm and advection of HSNOW for pkg/seaice;
182      both are turned off by default and do no change any results
183    o seaice advection with pkg/thsice: a step toward the use of non-linear
184      advection scheme, but #ifdef or commented out for now (requires more EXCH).
185    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
186      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
187      in natl_box (affects results @ truncation level: update output.txt)
188    o multi-threading and IO:
189      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
190      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
191        (needed to work with SingleCpuIO): tested in all verif. exp.
192    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
193      affects the results (but none of the verification test uses this scheme).
194    o Adding some pkg/diagnostics capability to pkg/seaice
195      (will certainly be subject to changes)
196    o ctrl: adding new control variables:
197      lwflux, lwdown, evap, snowprecip, apressure, runoff
198    
199    checkpoint58q_post
200    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
201      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
202      high_res_cube configuration by 4% on Columbia.
203    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
204      add (in global_with_exf/code) a version of EXF_INTERP_READ without
205      dynamical allocation (seems to work in multi-threaded).
206    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
207      single CPU io) so that TAF does not have to see EESUPPORT.h
208    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
209    
210    checkpoint58p_post
211    o obcs: stop if obcs is used with useCDscheme = .true.
212    o shelfice:
213     - fix a sign error so that no slip at shelfice interface works
214     - remove stop for combination non-hydrostatic code and shelfice. That does
215       not mean, that the results are correct, but at least they are numerically
216       stable
217    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
218    o added adjoint exch routined for all exch*3d* routines
219      and updated flow directives
220    
221    checkpoint58o_post
222    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
223      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
224    o change controling S/R for writing pickup file (new S/R do_write_pickup)
225      and clean-up reading/writing of pickup files.
226    o fix local version of read/write pickup (NH part) in rotating_tank/code
227    o simplify EXCH interface:
228     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
229     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
230    o added the regrid package
231    o shelfice:
232     - add a simple boundary layer scheme to reduce noise
233     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
234    
235    checkpoint58n_post
236    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
237       local variable (not in common block).
238    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
239      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
240      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
241        to work with SingleCpuIO.
242    o add "_d 0" to real constant of pkg/cfc subroutines ;
243       update exp. cfc_exemple & tutorial_cfc_offline output files.
244    o multi-threading and IO:
245      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
246        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
247      - barrier before and after reading.
248      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
249      - avoid using MDS_WRITELOCAL for LAND pkg output.
250      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
251        common-block variables ; Allows multi-threading with master-thread IO.
252    o change default MAX_NO_THREADS from 32 to 4 ;
253      and stop cleanly when MAX_NO_THREADS is too small.
254    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
255    
256    checkpoint58m_post
257    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
258       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
259    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
260       keep global_ocean.90x40x15 (for AD testing) with former secondary test
261       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
262    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
263        add MITgcm_tutorials (= code + all the tutorials)
264    o ecco, option to compute cost for total ssh (mean+anom)
265    o consistent with addition of ptracer and ssh in pkg/profiles
266  o profiles: adding ptracer and ssh  o profiles: adding ptracer and ssh
267  o testreport: change multi-test output-file name  o testreport: change multi-test output-file name
268    (from output.txt.{name} to output.{name}.txt)    (from output.txt.{name} to output.{name}.txt)
269  o profiles: now ok for mutli-threaded case  o profiles: now ok for mutli-tiles case
270  o seaice: add 4 parameters for different advection schemes for area,  o seaice: add 4 parameters for different advection schemes for area,
271    (effective) seaice thickness, enthalphy, and snow height. Their default    (effective) seaice thickness, enthalphy, and snow height. Their default
272    is the standard parameter SEAICEadvScheme    is the standard parameter SEAICEadvScheme

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