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revision 1.683 by jmc, Mon Jun 19 15:56:42 2006 UTC revision 1.770 by jmc, Thu Feb 8 00:12:37 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint58v_post
8    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
9      useDynP_inEos_Zc tested.
10    o pkg/exf: changes to properly interpolate/mask/scale initial fields
11    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
12      and portions thereof.  See read_cs.txt for description and examples.
13    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
14      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
15      following the great-circle arc between those 2 points.
16    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
17      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
18    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
19     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
20     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
21     - still needs work (not working with some options ; efficiency to improve)
22       and serious testing.
23     - use this scheme for temperature & salinity in 2 advection test exp.:
24       advect_xy & advect_xz, respectively.
25    
26    checkpoint58u_post
27    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
28    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
29    o testreport: add option "-skipdir" to skip some test.
30    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
31      momentum calculation.
32    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
33    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
34      remove checkpoint.F and the_correction_step.F (no longer used);
35      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
36    o add option (linFSConserveTr) to correct for tracer source/sink due to
37      Linear Free surface
38    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
39    o pkg/thsice: fix reading mnc-pickups
40    
41    checkpoint58t_post
42    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
43    o pkg/mdsio:
44     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
45       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
46       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
47     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
48     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
49       either MDS_READ_FIELD or MDS_WRITE_FIELD )
50     - new S/R (to replace MDSWRITEMETA), which allows to write more
51       informations (variable names, time ...) to meta files.
52     - modify rdmds.m to give back the meta file content.
53    o pkg/diagnostics: change vertical interpolation to be safer, and more
54       flexible (define p-levels to interpolate to in data.diagnostics);
55      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
56       diagnostic pointer.
57    o pkg/seaice: more cleaning up of seaice_growth, added many comments
58    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
59    o fix multi-category seaice:
60     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
61       SEAICE_MULTICATEGORY
62     - fix short wave heat flux
63    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
64       and allow to use EVP solver. Change forward lab_sea: test both EVP
65       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
66    o Initial check-in of lab_sea adjoint
67      (very similar to natl_box_adjoint/code_seaice)
68      * used C-grid and EVP solver
69      * used KPP, GM/Redi
70      * uses inAdExact=.TRUE.
71      * gradient checks fail for both ADM and TLM
72        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
73        f.d. gradients actually seem more problematic than ADM, TLM gradients;
74        issue is related to forward mismatch between g77 an ifort
75    o pkg/seaice: overhaul of thermodynamics
76     - growth.F and groatb.F are replaced by new routine seaice_growth.F
77     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
78     - move a few global fields out of SEAICE.h into seaice_growth.F and
79       make them 2D (FICE/QNETO/ ...)
80     - remove FO (it is the same as QNETO)
81     - introduce a few local fields to avoid modifying external fields such
82       as atemp, etc.
83    
84    checkpoint58s_post
85    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
86      changed exf_set_gen.F so that
87        genperiod=0 means input file is one time-constant field and
88        genperiod=-12 means input file contains 12 monthly means
89    o CG2D: use pre-computed solver main-diagonal (stored in common block);
90      this affects truncation error ; generate new output file for exp. which
91      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
92        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
93        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
94        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
95        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
96        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
97    o start implementation of deep-atmosphere and anelastic formulation
98    o verification: remove 2nd copy of input files and use script "prepare_run"
99      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
100    o mom_common/vecinv/fluxform: fix a few initialisation isssues
101    o profiles: fix for multithreaded case
102    
103    o diagnostics: rename few diags:
104      s/'PRESSURE'/'RCENTER '/g
105      s/'TICE    '/'oceFreez'/g
106      s/'TAUX    '/'oceTAUX '/g
107      s/'TAUY    '/'oceTAUY '/g
108      s/'SWFLUX  '/'oceQsw  '/g
109      s/DIFx/DFxE/g
110      s/DIFy/DFyE/g
111      and add few ocean-forcing diagnostics:
112      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
113    o modifications to pkg/seaice/growth.F and budget.F, which change results of
114      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
115      as actual snow thickness.  It now refers everywhere to effective snow
116      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
117    
118    checkpoint58r_post
119    o modifications to pkg/seaice/growth.F, which change results of
120      lab_sea experiment: fixes pertain to melting snow over open water, to
121      masking EVAP under sea ice, and to using the correct AREA variable for
122      computations of EVAP, PRECIP, HSNOW, and GHEFF
123    o add ability to read bathy, salt, and theta using MNC (off by def)
124    o add flooding algorithm and advection of HSNOW for pkg/seaice;
125      both are turned off by default and do no change any results
126    o seaice advection with pkg/thsice: a step toward the use of non-linear
127      advection scheme, but #ifdef or commented out for now (requires more EXCH).
128    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
129      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
130      in natl_box (affects results @ truncation level: update output.txt)
131    o multi-threading and IO:
132      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
133      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
134        (needed to work with SingleCpuIO): tested in all verif. exp.
135    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
136      affects the results (but none of the verification test uses this scheme).
137    o Adding some pkg/diagnostics capability to pkg/seaice
138      (will certainly be subject to changes)
139    o ctrl: adding new control variables:
140      lwflux, lwdown, evap, snowprecip, apressure, runoff
141    
142    checkpoint58q_post
143    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
144      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
145      high_res_cube configuration by 4% on Columbia.
146    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
147      add (in global_with_exf/code) a version of EXF_INTERP_READ without
148      dynamical allocation (seems to work in multi-threaded).
149    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
150      single CPU io) so that TAF does not have to see EESUPPORT.h
151    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
152    
153    checkpoint58p_post
154    o obcs: stop if obcs is used with useCDscheme = .true.
155    o shelfice:
156     - fix a sign error so that no slip at shelfice interface works
157     - remove stop for combination non-hydrostatic code and shelfice. That does
158       not mean, that the results are correct, but at least they are numerically
159       stable
160    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
161    o added adjoint exch routined for all exch*3d* routines
162      and updated flow directives
163    
164    checkpoint58o_post
165    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
166      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
167    o change controling S/R for writing pickup file (new S/R do_write_pickup)
168      and clean-up reading/writing of pickup files.
169    o fix local version of read/write pickup (NH part) in rotating_tank/code
170    o simplify EXCH interface:
171     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
172     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
173    o added the regrid package
174    o shelfice:
175     - add a simple boundary layer scheme to reduce noise
176     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
177    
178    checkpoint58n_post
179    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
180       local variable (not in common block).
181    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
182      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
183      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
184        to work with SingleCpuIO.
185    o add "_d 0" to real constant of pkg/cfc subroutines ;
186       update exp. cfc_exemple & tutorial_cfc_offline output files.
187    o multi-threading and IO:
188      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
189        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
190      - barrier before and after reading.
191      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
192      - avoid using MDS_WRITELOCAL for LAND pkg output.
193      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
194        common-block variables ; Allows multi-threading with master-thread IO.
195    o change default MAX_NO_THREADS from 32 to 4 ;
196      and stop cleanly when MAX_NO_THREADS is too small.
197    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
198    
199    checkpoint58m_post
200    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
201       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
202    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
203       keep global_ocean.90x40x15 (for AD testing) with former secondary test
204       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
205    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
206        add MITgcm_tutorials (= code + all the tutorials)
207    o ecco, option to compute cost for total ssh (mean+anom)
208    o consistent with addition of ptracer and ssh in pkg/profiles
209    o profiles: adding ptracer and ssh
210    o testreport: change multi-test output-file name
211      (from output.txt.{name} to output.{name}.txt)
212    o profiles: now ok for mutli-tiles case
213    o seaice: add 4 parameters for different advection schemes for area,
214      (effective) seaice thickness, enthalphy, and snow height. Their default
215      is the standard parameter SEAICEadvScheme
216    o calc_gw:
217     - add cosFacU in zonal viscous flux (harmonic.visc.).
218     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
219       of tutorial_plume_on_slope.
220    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
221    o calc_gw: true flux-form, account for horizontal grid spacing.
222      update rotating_tank results, but not plume_on_slope (affected at
223      truncation level, 11 digits).
224    
225    checkpoint58l_post
226    o calc_gw:
227     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
228     - remove side-drag for now (need to fix it); update plume_on_slope results.
229     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
230    o commit code to make SST/SSS weights spatially variable
231      (based on either variable in-situ or variable initial T/S weights)
232    o pkg/ecco:
233      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
234        now based on horizontally varying weights wthetaLev, wsaltLev
235      * cost_averagesflags now returns year indices in addition to day, month
236      * sflux balance is performed on annual basis
237        (sflxumm, sfluxmm2, bal_sfluxmm)
238      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
239        including separate counting and multipliers
240    o pkg/rbcs
241      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
242    
243    checkpoint58k_post
244    o testreport:
245     - always build in dir. "build" (if not there, mkdir build instead of building
246       & running in input)
247     - run in dir run (if it exists), in build otherwise.
248     - call prepare_run (if input/prepare_run exists)
249     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
250    o pkg/exf modifications to interpolation and rotation routines for more
251       reasonable treatment of North Pole singularity: for tracers North Pole
252       value is set to northernmost zonal-mean value, for zonal velocity it is
253       set to zero, and for meridional velocity it is set to northernmost value.
254    o pkg/exf/exf_check_range.F
255     - add tile index to diagnostics and move stop statement to the very
256       end of the routine.
257    o pkg/diagnostics: (diagnostics_main_init.F)
258      define title of isomorphic variables according to the current config.
259    o pkg/thsice with pkg/seaice dynamics:
260    - fix domain of computation (interior only, required for exf) and do exchanges
261    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
262    o towards a standard way of dealing with multi-threading in MONITOR
263      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
264    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
265       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
266    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
267  o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)  o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
268  o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL  o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
269     (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)     (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)

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