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revision 1.695 by heimbach, Fri Jul 7 21:56:15 2006 UTC revision 1.769 by dimitri, Wed Feb 7 17:38:11 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 take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V  o pkg/exf: changes to properly interpolate/mask/scale initial fields
8    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
9      and portions thereof.  See read_cs.txt for description and examples.
10    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
11      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
12      following the great-circle arc between those 2 points.
13    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
14      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
15    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
16     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
17     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
18     - still needs work (not working with some options ; efficiency to improve)
19       and serious testing.
20     - use this scheme for temperature & salinity in 2 advection test exp.:
21       advect_xy & advect_xz, respectively.
22    
23    checkpoint58u_post
24    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
25    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
26    o testreport: add option "-skipdir" to skip some test.
27    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
28      momentum calculation.
29    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
30    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
31      remove checkpoint.F and the_correction_step.F (no longer used);
32      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
33    o add option (linFSConserveTr) to correct for tracer source/sink due to
34      Linear Free surface
35    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
36    o pkg/thsice: fix reading mnc-pickups
37    
38    checkpoint58t_post
39    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
40    o pkg/mdsio:
41     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
42       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
43       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
44     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
45     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
46       either MDS_READ_FIELD or MDS_WRITE_FIELD )
47     - new S/R (to replace MDSWRITEMETA), which allows to write more
48       informations (variable names, time ...) to meta files.
49     - modify rdmds.m to give back the meta file content.
50    o pkg/diagnostics: change vertical interpolation to be safer, and more
51       flexible (define p-levels to interpolate to in data.diagnostics);
52      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
53       diagnostic pointer.
54    o pkg/seaice: more cleaning up of seaice_growth, added many comments
55    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
56    o fix multi-category seaice:
57     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
58       SEAICE_MULTICATEGORY
59     - fix short wave heat flux
60    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
61       and allow to use EVP solver. Change forward lab_sea: test both EVP
62       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
63    o Initial check-in of lab_sea adjoint
64      (very similar to natl_box_adjoint/code_seaice)
65      * used C-grid and EVP solver
66      * used KPP, GM/Redi
67      * uses inAdExact=.TRUE.
68      * gradient checks fail for both ADM and TLM
69        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
70        f.d. gradients actually seem more problematic than ADM, TLM gradients;
71        issue is related to forward mismatch between g77 an ifort
72    o pkg/seaice: overhaul of thermodynamics
73     - growth.F and groatb.F are replaced by new routine seaice_growth.F
74     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
75     - move a few global fields out of SEAICE.h into seaice_growth.F and
76       make them 2D (FICE/QNETO/ ...)
77     - remove FO (it is the same as QNETO)
78     - introduce a few local fields to avoid modifying external fields such
79       as atemp, etc.
80    
81    checkpoint58s_post
82    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
83      changed exf_set_gen.F so that
84        genperiod=0 means input file is one time-constant field and
85        genperiod=-12 means input file contains 12 monthly means
86    o CG2D: use pre-computed solver main-diagonal (stored in common block);
87      this affects truncation error ; generate new output file for exp. which
88      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
89        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
90        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
91        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
92        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
93        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
94    o start implementation of deep-atmosphere and anelastic formulation
95    o verification: remove 2nd copy of input files and use script "prepare_run"
96      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
97    o mom_common/vecinv/fluxform: fix a few initialisation isssues
98    o profiles: fix for multithreaded case
99    
100    o diagnostics: rename few diags:
101      s/'PRESSURE'/'RCENTER '/g
102      s/'TICE    '/'oceFreez'/g
103      s/'TAUX    '/'oceTAUX '/g
104      s/'TAUY    '/'oceTAUY '/g
105      s/'SWFLUX  '/'oceQsw  '/g
106      s/DIFx/DFxE/g
107      s/DIFy/DFyE/g
108      and add few ocean-forcing diagnostics:
109      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
110    o modifications to pkg/seaice/growth.F and budget.F, which change results of
111      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
112      as actual snow thickness.  It now refers everywhere to effective snow
113      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
114    
115    checkpoint58r_post
116    o modifications to pkg/seaice/growth.F, which change results of
117      lab_sea experiment: fixes pertain to melting snow over open water, to
118      masking EVAP under sea ice, and to using the correct AREA variable for
119      computations of EVAP, PRECIP, HSNOW, and GHEFF
120    o add ability to read bathy, salt, and theta using MNC (off by def)
121    o add flooding algorithm and advection of HSNOW for pkg/seaice;
122      both are turned off by default and do no change any results
123    o seaice advection with pkg/thsice: a step toward the use of non-linear
124      advection scheme, but #ifdef or commented out for now (requires more EXCH).
125    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
126      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
127      in natl_box (affects results @ truncation level: update output.txt)
128    o multi-threading and IO:
129      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
130      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
131        (needed to work with SingleCpuIO): tested in all verif. exp.
132    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
133      affects the results (but none of the verification test uses this scheme).
134    o Adding some pkg/diagnostics capability to pkg/seaice
135      (will certainly be subject to changes)
136    o ctrl: adding new control variables:
137      lwflux, lwdown, evap, snowprecip, apressure, runoff
138    
139    checkpoint58q_post
140    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
141      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
142      high_res_cube configuration by 4% on Columbia.
143    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
144      add (in global_with_exf/code) a version of EXF_INTERP_READ without
145      dynamical allocation (seems to work in multi-threaded).
146    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
147      single CPU io) so that TAF does not have to see EESUPPORT.h
148    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
149    
150    checkpoint58p_post
151    o obcs: stop if obcs is used with useCDscheme = .true.
152    o shelfice:
153     - fix a sign error so that no slip at shelfice interface works
154     - remove stop for combination non-hydrostatic code and shelfice. That does
155       not mean, that the results are correct, but at least they are numerically
156       stable
157    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
158    o added adjoint exch routined for all exch*3d* routines
159      and updated flow directives
160    
161    checkpoint58o_post
162    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
163      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
164    o change controling S/R for writing pickup file (new S/R do_write_pickup)
165      and clean-up reading/writing of pickup files.
166    o fix local version of read/write pickup (NH part) in rotating_tank/code
167    o simplify EXCH interface:
168     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
169     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
170    o added the regrid package
171    o shelfice:
172     - add a simple boundary layer scheme to reduce noise
173     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
174    
175    checkpoint58n_post
176    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
177       local variable (not in common block).
178    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
179      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
180      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
181        to work with SingleCpuIO.
182    o add "_d 0" to real constant of pkg/cfc subroutines ;
183       update exp. cfc_exemple & tutorial_cfc_offline output files.
184    o multi-threading and IO:
185      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
186        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
187      - barrier before and after reading.
188      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
189      - avoid using MDS_WRITELOCAL for LAND pkg output.
190      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
191        common-block variables ; Allows multi-threading with master-thread IO.
192    o change default MAX_NO_THREADS from 32 to 4 ;
193      and stop cleanly when MAX_NO_THREADS is too small.
194    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
195    
196    checkpoint58m_post
197    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
198       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
199    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
200       keep global_ocean.90x40x15 (for AD testing) with former secondary test
201       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
202    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
203        add MITgcm_tutorials (= code + all the tutorials)
204    o ecco, option to compute cost for total ssh (mean+anom)
205    o consistent with addition of ptracer and ssh in pkg/profiles
206    o profiles: adding ptracer and ssh
207    o testreport: change multi-test output-file name
208      (from output.txt.{name} to output.{name}.txt)
209    o profiles: now ok for mutli-tiles case
210    o seaice: add 4 parameters for different advection schemes for area,
211      (effective) seaice thickness, enthalphy, and snow height. Their default
212      is the standard parameter SEAICEadvScheme
213    o calc_gw:
214     - add cosFacU in zonal viscous flux (harmonic.visc.).
215     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
216       of tutorial_plume_on_slope.
217    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
218    o calc_gw: true flux-form, account for horizontal grid spacing.
219      update rotating_tank results, but not plume_on_slope (affected at
220      truncation level, 11 digits).
221    
222    checkpoint58l_post
223    o calc_gw:
224     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
225     - remove side-drag for now (need to fix it); update plume_on_slope results.
226     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
227  o commit code to make SST/SSS weights spatially variable  o commit code to make SST/SSS weights spatially variable
228    (based on either variable in-situ or variable initial T/S weights)    (based on either variable in-situ or variable initial T/S weights)
229  o commit code to relax deviations of xx_theta, xx_salt to 5*sigma,  o pkg/ecco:
230    now based on horizontally varying weights wthetaLev, wsaltLev    * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
231        now based on horizontally varying weights wthetaLev, wsaltLev
232      * cost_averagesflags now returns year indices in addition to day, month
233      * sflux balance is performed on annual basis
234        (sflxumm, sfluxmm2, bal_sfluxmm)
235      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
236        including separate counting and multipliers
237    o pkg/rbcs
238      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
239    
240  checkpoint58k_post  checkpoint58k_post
241  o testreport:  o testreport:

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