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revision 1.705 by gforget, Sat Jul 15 01:23:19 2006 UTC revision 1.788 by mlosch, Mon Apr 16 22:43:12 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/seaice:
8      - remove seaice_exch and seaice_exch_uv
9      - remove superfluous exchange of theta
10      - add myThid to seaice_budget_ocean/ice
11    
12    checkpoint58y_post
13    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
14      vertical diffusivity, similar to that in MOM4; turned on using
15      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
16      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
17    o Added capability for 3D specification of background vertical diffusion
18      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
19      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
20      "data" file that contains the 3D vertical diffusivity coefficients.
21    o ice dynamics (pkg/seaice) with thsice thermodynamics:
22      - add code within pkg thsice to advect & diffuse sea-ice fields
23      similar to (and will replace) what has been added in  seaice_advdiff.F,
24      but: - conserving Mass, Heat & Salt.
25           - better when using non-linear advection scheme (not yet fully tested)
26           - can also be used in atmospheric set-up (for now, only the diffusion).
27    
28    checkpoint58x_post
29    o IO option for global-file compact format:
30      - add options when generating topology (utils/exch2/matlab-topology-generator)
31      - add I/O capability (pkg/mdsio).
32      - adapt utils/matlab/rdmds.m to read this format.
33      for now long-line format not yet supported by pkg/mdsio (& exch2).
34    o shelfice: add a few diagnostics
35    
36    checkpoint58w_post
37    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
38      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
39      (and replace horiVertRatio in NH code).
40      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
41                         and tutorial_plume_on_slope (sensitive to truncation)
42    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
43      directly to drive seaice model (C-grid only)
44    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
45     - reintroduce computation of wind from stress,
46     - compute tau (in exf_bulkformulae.F) from windstress averaged to
47       mass points to avoid tau = 0
48     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
49    o rdmnc.m: make it work with "global" files created with gluemnc
50    o rdmnc.m : some improvements in dealing with singleton dimension
51      (tested on all testreport mnc output files).
52    o genmake2: disable pkg/profiles if netcdf test fails.
53    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
54    o move call to cal_readparms up to make calendar parameters/variable available
55      to all packages
56    
57    checkpoint58v_post
58    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
59      useDynP_inEos_Zc tested.
60    o pkg/exf: changes to properly interpolate/mask/scale initial fields
61    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
62      and portions thereof.  See read_cs.txt for description and examples.
63    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
64      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
65      following the great-circle arc between those 2 points.
66    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
67      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
68    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
69     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
70     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
71     - still needs work (not working with some options ; efficiency to improve)
72       and serious testing.
73     - use this scheme for temperature & salinity in 2 advection test exp.:
74       advect_xy & advect_xz, respectively.
75    
76    checkpoint58u_post
77    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
78    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
79    o testreport: add option "-skipdir" to skip some test.
80    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
81      momentum calculation.
82    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
83    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
84      remove checkpoint.F and the_correction_step.F (no longer used);
85      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
86    o add option (linFSConserveTr) to correct for tracer source/sink due to
87      Linear Free surface
88    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
89    o pkg/thsice: fix reading mnc-pickups
90    
91    checkpoint58t_post
92    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
93    o pkg/mdsio:
94     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
95       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
96       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
97     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
98     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
99       either MDS_READ_FIELD or MDS_WRITE_FIELD )
100     - new S/R (to replace MDSWRITEMETA), which allows to write more
101       informations (variable names, time ...) to meta files.
102     - modify rdmds.m to give back the meta file content.
103    o pkg/diagnostics: change vertical interpolation to be safer, and more
104       flexible (define p-levels to interpolate to in data.diagnostics);
105      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
106       diagnostic pointer.
107    o pkg/seaice: more cleaning up of seaice_growth, added many comments
108    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
109    o fix multi-category seaice:
110     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
111       SEAICE_MULTICATEGORY
112     - fix short wave heat flux
113    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
114       and allow to use EVP solver. Change forward lab_sea: test both EVP
115       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
116    o Initial check-in of lab_sea adjoint
117      (very similar to natl_box_adjoint/code_seaice)
118      * used C-grid and EVP solver
119      * used KPP, GM/Redi
120      * uses inAdExact=.TRUE.
121      * gradient checks fail for both ADM and TLM
122        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
123        f.d. gradients actually seem more problematic than ADM, TLM gradients;
124        issue is related to forward mismatch between g77 an ifort
125    o pkg/seaice: overhaul of thermodynamics
126     - growth.F and groatb.F are replaced by new routine seaice_growth.F
127     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
128     - move a few global fields out of SEAICE.h into seaice_growth.F and
129       make them 2D (FICE/QNETO/ ...)
130     - remove FO (it is the same as QNETO)
131     - introduce a few local fields to avoid modifying external fields such
132       as atemp, etc.
133    
134    checkpoint58s_post
135    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
136      changed exf_set_gen.F so that
137        genperiod=0 means input file is one time-constant field and
138        genperiod=-12 means input file contains 12 monthly means
139    o CG2D: use pre-computed solver main-diagonal (stored in common block);
140      this affects truncation error ; generate new output file for exp. which
141      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
142        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
143        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
144        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
145        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
146        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
147    o start implementation of deep-atmosphere and anelastic formulation
148    o verification: remove 2nd copy of input files and use script "prepare_run"
149      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
150    o mom_common/vecinv/fluxform: fix a few initialisation isssues
151    o profiles: fix for multithreaded case
152    
153    o diagnostics: rename few diags:
154      s/'PRESSURE'/'RCENTER '/g
155      s/'TICE    '/'oceFreez'/g
156      s/'TAUX    '/'oceTAUX '/g
157      s/'TAUY    '/'oceTAUY '/g
158      s/'SWFLUX  '/'oceQsw  '/g
159      s/DIFx/DFxE/g
160      s/DIFy/DFyE/g
161      and add few ocean-forcing diagnostics:
162      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
163    o modifications to pkg/seaice/growth.F and budget.F, which change results of
164      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
165      as actual snow thickness.  It now refers everywhere to effective snow
166      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
167    
168    checkpoint58r_post
169    o modifications to pkg/seaice/growth.F, which change results of
170      lab_sea experiment: fixes pertain to melting snow over open water, to
171      masking EVAP under sea ice, and to using the correct AREA variable for
172      computations of EVAP, PRECIP, HSNOW, and GHEFF
173    o add ability to read bathy, salt, and theta using MNC (off by def)
174    o add flooding algorithm and advection of HSNOW for pkg/seaice;
175      both are turned off by default and do no change any results
176    o seaice advection with pkg/thsice: a step toward the use of non-linear
177      advection scheme, but #ifdef or commented out for now (requires more EXCH).
178    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
179      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
180      in natl_box (affects results @ truncation level: update output.txt)
181    o multi-threading and IO:
182      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
183      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
184        (needed to work with SingleCpuIO): tested in all verif. exp.
185    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
186      affects the results (but none of the verification test uses this scheme).
187    o Adding some pkg/diagnostics capability to pkg/seaice
188      (will certainly be subject to changes)
189    o ctrl: adding new control variables:
190      lwflux, lwdown, evap, snowprecip, apressure, runoff
191    
192    checkpoint58q_post
193    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
194      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
195      high_res_cube configuration by 4% on Columbia.
196    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
197      add (in global_with_exf/code) a version of EXF_INTERP_READ without
198      dynamical allocation (seems to work in multi-threaded).
199    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
200      single CPU io) so that TAF does not have to see EESUPPORT.h
201    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
202    
203    checkpoint58p_post
204    o obcs: stop if obcs is used with useCDscheme = .true.
205    o shelfice:
206     - fix a sign error so that no slip at shelfice interface works
207     - remove stop for combination non-hydrostatic code and shelfice. That does
208       not mean, that the results are correct, but at least they are numerically
209       stable
210    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
211    o added adjoint exch routined for all exch*3d* routines
212      and updated flow directives
213    
214    checkpoint58o_post
215    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
216      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
217    o change controling S/R for writing pickup file (new S/R do_write_pickup)
218      and clean-up reading/writing of pickup files.
219    o fix local version of read/write pickup (NH part) in rotating_tank/code
220    o simplify EXCH interface:
221     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
222     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
223    o added the regrid package
224    o shelfice:
225     - add a simple boundary layer scheme to reduce noise
226     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
227    
228    checkpoint58n_post
229    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
230       local variable (not in common block).
231    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
232      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
233      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
234        to work with SingleCpuIO.
235    o add "_d 0" to real constant of pkg/cfc subroutines ;
236       update exp. cfc_exemple & tutorial_cfc_offline output files.
237    o multi-threading and IO:
238      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
239        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
240      - barrier before and after reading.
241      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
242      - avoid using MDS_WRITELOCAL for LAND pkg output.
243      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
244        common-block variables ; Allows multi-threading with master-thread IO.
245    o change default MAX_NO_THREADS from 32 to 4 ;
246      and stop cleanly when MAX_NO_THREADS is too small.
247    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
248    
249    checkpoint58m_post
250    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
251       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
252    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
253       keep global_ocean.90x40x15 (for AD testing) with former secondary test
254       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
255    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
256        add MITgcm_tutorials (= code + all the tutorials)
257  o ecco, option to compute cost for total ssh (mean+anom)  o ecco, option to compute cost for total ssh (mean+anom)
258  o consistent with addition of ptracer and ssh in pkg/profiles  o consistent with addition of ptracer and ssh in pkg/profiles
259  o profiles: adding ptracer and ssh  o profiles: adding ptracer and ssh
260  o testreport: change multi-test output-file name  o testreport: change multi-test output-file name
261    (from output.txt.{name} to output.{name}.txt)    (from output.txt.{name} to output.{name}.txt)
262  o profiles: now ok for mutli-threaded case  o profiles: now ok for mutli-tiles case
263  o seaice: add 4 parameters for different advection schemes for area,  o seaice: add 4 parameters for different advection schemes for area,
264    (effective) seaice thickness, enthalphy, and snow height. Their default    (effective) seaice thickness, enthalphy, and snow height. Their default
265    is the standard parameter SEAICEadvScheme    is the standard parameter SEAICEadvScheme

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