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revision 1.672 by dimitri, Thu Jun 8 23:09:55 2006 UTC revision 1.806 by mlosch, Tue May 1 21:41:11 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 pkg/seaice
8     - check for inconsistent evp parameter/cpp-flag combination
9     - remove leftover errIO flat for obsolete name list error handling
10    
11    checkpoint59a
12    o pkg/seaice: some parameter clarifications and a little bit of clean up
13    o pkg/thsice: rename run-time parameters:
14       himin       -> hIceMin
15       himin0      -> hThinIce
16       hihig       -> hThickIce
17       i0          -> i0swFrac
18       transCoef   -> bMeltCoef
19       frac_energy -> fracMelting
20      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
21       with default values (for now) that do not change the results.
22      remove old version of thsice vars advection in pkg/seaice.
23    o in FFIELDS.h:
24      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
25      - make pLoad & sIceLoad always available (but still only used if
26         ATMOSPHERIC_LOADING is #define).
27    o pkg/kpp: replaced _KPP_RL with _RL
28    o bug fixes for vertical diffusivity computations when both KPP and
29        3D diffusivity arrays are used.
30    o pkg/seaice: fix bug in evp solver, while doing that
31      - change (improve?) discretization of stress computations for both
32        cgrid-lsr and evp solver
33      - add a new routine to compute strain rates
34      - the above changes lab_sea results
35      - add no slip conditions for evp solver (off by default), lsr-version
36        may follow
37      - fix exchange for shear at Z-points (does not change lab_sea)
38      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
39        (to force the user to pick a time step since there is not "safe" way
40        of choosing it)
41      - add principal stress diagnostics
42      - rearrange fields for evp a little to avoid having to call a: too many
43        exchanges and b: exchanges for stress trensor components which we do
44        not have.
45      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
46        of evp, complete rewrite for lsr case (latter is does not yet work
47        in all cases)
48    o pkg/kpp: add code to have mixing in shelf ice caverns
49      - add myThid to all kpp routines (long overdue)
50    
51    checkpoint59
52    o pkg/exf:
53      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
54        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
55      - move exf header files from lower_case.h to UPPER_CASE.h ;
56        add missing cvs Header & Name
57      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
58      - add namelist param. selectStressGridPosition, exf_monFreq
59      - retire many _CLIM routines, and remove data.exf_clim
60        + params moved to data.exf
61        + climsst, climsss now handled by exf_set_gen, i.e.
62          climss?period=0 refers to constant field,
63          climss?period=-12 to monthly forcing
64      - split up namelists in data.exf
65    o pkg/seaice:
66      - remove seaice_exch and seaice_exch_uv
67      - remove superfluous exchange of theta
68      - add myThid to seaice_budget_ocean/ice
69      - add new interface for atmospheric wind forcing (C-grid only)
70        + new routine
71        + two new field (taux, tauy for stress over ice)
72        + removed one global field (DAIRN) for C-grid case only
73    o pkg/thsise
74      - 2nd set of modifs for thsice adjoint in conjunction with exf
75    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
76    
77    checkpoint58y_post
78    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
79      vertical diffusivity, similar to that in MOM4; turned on using
80      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
81      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
82    o Added capability for 3D specification of background vertical diffusion
83      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
84      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
85      "data" file that contains the 3D vertical diffusivity coefficients.
86    o ice dynamics (pkg/seaice) with thsice thermodynamics:
87      - add code within pkg thsice to advect & diffuse sea-ice fields
88      similar to (and will replace) what has been added in  seaice_advdiff.F,
89      but: - conserving Mass, Heat & Salt.
90           - better when using non-linear advection scheme (not yet fully tested)
91           - can also be used in atmospheric set-up (for now, only the diffusion).
92    
93    checkpoint58x_post
94    o IO option for global-file compact format:
95      - add options when generating topology (utils/exch2/matlab-topology-generator)
96      - add I/O capability (pkg/mdsio).
97      - adapt utils/matlab/rdmds.m to read this format.
98      for now long-line format not yet supported by pkg/mdsio (& exch2).
99    o shelfice: add a few diagnostics
100    
101    checkpoint58w_post
102    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
103      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
104      (and replace horiVertRatio in NH code).
105      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
106                         and tutorial_plume_on_slope (sensitive to truncation)
107    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
108      directly to drive seaice model (C-grid only)
109    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
110     - reintroduce computation of wind from stress,
111     - compute tau (in exf_bulkformulae.F) from windstress averaged to
112       mass points to avoid tau = 0
113     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
114    o rdmnc.m: make it work with "global" files created with gluemnc
115    o rdmnc.m : some improvements in dealing with singleton dimension
116      (tested on all testreport mnc output files).
117    o genmake2: disable pkg/profiles if netcdf test fails.
118    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
119    o move call to cal_readparms up to make calendar parameters/variable available
120      to all packages
121    
122    checkpoint58v_post
123    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
124      useDynP_inEos_Zc tested.
125    o pkg/exf: changes to properly interpolate/mask/scale initial fields
126    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
127      and portions thereof.  See read_cs.txt for description and examples.
128    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
129      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
130      following the great-circle arc between those 2 points.
131    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
132      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
133    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
134     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
135     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
136     - still needs work (not working with some options ; efficiency to improve)
137       and serious testing.
138     - use this scheme for temperature & salinity in 2 advection test exp.:
139       advect_xy & advect_xz, respectively.
140    
141    checkpoint58u_post
142    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
143    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
144    o testreport: add option "-skipdir" to skip some test.
145    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
146      momentum calculation.
147    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
148    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
149      remove checkpoint.F and the_correction_step.F (no longer used);
150      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
151    o add option (linFSConserveTr) to correct for tracer source/sink due to
152      Linear Free surface
153    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
154    o pkg/thsice: fix reading mnc-pickups
155    
156    checkpoint58t_post
157    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
158    o pkg/mdsio:
159     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
160       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
161       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
162     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
163     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
164       either MDS_READ_FIELD or MDS_WRITE_FIELD )
165     - new S/R (to replace MDSWRITEMETA), which allows to write more
166       informations (variable names, time ...) to meta files.
167     - modify rdmds.m to give back the meta file content.
168    o pkg/diagnostics: change vertical interpolation to be safer, and more
169       flexible (define p-levels to interpolate to in data.diagnostics);
170      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
171       diagnostic pointer.
172    o pkg/seaice: more cleaning up of seaice_growth, added many comments
173    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
174    o fix multi-category seaice:
175     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
176       SEAICE_MULTICATEGORY
177     - fix short wave heat flux
178    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
179       and allow to use EVP solver. Change forward lab_sea: test both EVP
180       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
181    o Initial check-in of lab_sea adjoint
182      (very similar to natl_box_adjoint/code_seaice)
183      * used C-grid and EVP solver
184      * used KPP, GM/Redi
185      * uses inAdExact=.TRUE.
186      * gradient checks fail for both ADM and TLM
187        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
188        f.d. gradients actually seem more problematic than ADM, TLM gradients;
189        issue is related to forward mismatch between g77 an ifort
190    o pkg/seaice: overhaul of thermodynamics
191     - growth.F and groatb.F are replaced by new routine seaice_growth.F
192     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
193     - move a few global fields out of SEAICE.h into seaice_growth.F and
194       make them 2D (FICE/QNETO/ ...)
195     - remove FO (it is the same as QNETO)
196     - introduce a few local fields to avoid modifying external fields such
197       as atemp, etc.
198    
199    checkpoint58s_post
200    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
201      changed exf_set_gen.F so that
202        genperiod=0 means input file is one time-constant field and
203        genperiod=-12 means input file contains 12 monthly means
204    o CG2D: use pre-computed solver main-diagonal (stored in common block);
205      this affects truncation error ; generate new output file for exp. which
206      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
207        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
208        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
209        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
210        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
211        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
212    o start implementation of deep-atmosphere and anelastic formulation
213    o verification: remove 2nd copy of input files and use script "prepare_run"
214      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
215    o mom_common/vecinv/fluxform: fix a few initialisation isssues
216    o profiles: fix for multithreaded case
217    
218    o diagnostics: rename few diags:
219      s/'PRESSURE'/'RCENTER '/g
220      s/'TICE    '/'oceFreez'/g
221      s/'TAUX    '/'oceTAUX '/g
222      s/'TAUY    '/'oceTAUY '/g
223      s/'SWFLUX  '/'oceQsw  '/g
224      s/DIFx/DFxE/g
225      s/DIFy/DFyE/g
226      and add few ocean-forcing diagnostics:
227      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
228    o modifications to pkg/seaice/growth.F and budget.F, which change results of
229      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
230      as actual snow thickness.  It now refers everywhere to effective snow
231      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
232    
233    checkpoint58r_post
234    o modifications to pkg/seaice/growth.F, which change results of
235      lab_sea experiment: fixes pertain to melting snow over open water, to
236      masking EVAP under sea ice, and to using the correct AREA variable for
237      computations of EVAP, PRECIP, HSNOW, and GHEFF
238    o add ability to read bathy, salt, and theta using MNC (off by def)
239    o add flooding algorithm and advection of HSNOW for pkg/seaice;
240      both are turned off by default and do no change any results
241    o seaice advection with pkg/thsice: a step toward the use of non-linear
242      advection scheme, but #ifdef or commented out for now (requires more EXCH).
243    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
244      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
245      in natl_box (affects results @ truncation level: update output.txt)
246    o multi-threading and IO:
247      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
248      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
249        (needed to work with SingleCpuIO): tested in all verif. exp.
250    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
251      affects the results (but none of the verification test uses this scheme).
252    o Adding some pkg/diagnostics capability to pkg/seaice
253      (will certainly be subject to changes)
254    o ctrl: adding new control variables:
255      lwflux, lwdown, evap, snowprecip, apressure, runoff
256    
257    checkpoint58q_post
258    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
259      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
260      high_res_cube configuration by 4% on Columbia.
261    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
262      add (in global_with_exf/code) a version of EXF_INTERP_READ without
263      dynamical allocation (seems to work in multi-threaded).
264    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
265      single CPU io) so that TAF does not have to see EESUPPORT.h
266    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
267    
268    checkpoint58p_post
269    o obcs: stop if obcs is used with useCDscheme = .true.
270    o shelfice:
271     - fix a sign error so that no slip at shelfice interface works
272     - remove stop for combination non-hydrostatic code and shelfice. That does
273       not mean, that the results are correct, but at least they are numerically
274       stable
275    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
276    o added adjoint exch routined for all exch*3d* routines
277      and updated flow directives
278    
279    checkpoint58o_post
280    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
281      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
282    o change controling S/R for writing pickup file (new S/R do_write_pickup)
283      and clean-up reading/writing of pickup files.
284    o fix local version of read/write pickup (NH part) in rotating_tank/code
285    o simplify EXCH interface:
286     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
287     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
288    o added the regrid package
289    o shelfice:
290     - add a simple boundary layer scheme to reduce noise
291     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
292    
293    checkpoint58n_post
294    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
295       local variable (not in common block).
296    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
297      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
298      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
299        to work with SingleCpuIO.
300    o add "_d 0" to real constant of pkg/cfc subroutines ;
301       update exp. cfc_exemple & tutorial_cfc_offline output files.
302    o multi-threading and IO:
303      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
304        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
305      - barrier before and after reading.
306      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
307      - avoid using MDS_WRITELOCAL for LAND pkg output.
308      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
309        common-block variables ; Allows multi-threading with master-thread IO.
310    o change default MAX_NO_THREADS from 32 to 4 ;
311      and stop cleanly when MAX_NO_THREADS is too small.
312    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
313    
314    checkpoint58m_post
315    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
316       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
317    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
318       keep global_ocean.90x40x15 (for AD testing) with former secondary test
319       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
320    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
321        add MITgcm_tutorials (= code + all the tutorials)
322    o ecco, option to compute cost for total ssh (mean+anom)
323    o consistent with addition of ptracer and ssh in pkg/profiles
324    o profiles: adding ptracer and ssh
325    o testreport: change multi-test output-file name
326      (from output.txt.{name} to output.{name}.txt)
327    o profiles: now ok for mutli-tiles case
328    o seaice: add 4 parameters for different advection schemes for area,
329      (effective) seaice thickness, enthalphy, and snow height. Their default
330      is the standard parameter SEAICEadvScheme
331    o calc_gw:
332     - add cosFacU in zonal viscous flux (harmonic.visc.).
333     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
334       of tutorial_plume_on_slope.
335    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
336    o calc_gw: true flux-form, account for horizontal grid spacing.
337      update rotating_tank results, but not plume_on_slope (affected at
338      truncation level, 11 digits).
339    
340    checkpoint58l_post
341    o calc_gw:
342     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
343     - remove side-drag for now (need to fix it); update plume_on_slope results.
344     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
345    o commit code to make SST/SSS weights spatially variable
346      (based on either variable in-situ or variable initial T/S weights)
347    o pkg/ecco:
348      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
349        now based on horizontally varying weights wthetaLev, wsaltLev
350      * cost_averagesflags now returns year indices in addition to day, month
351      * sflux balance is performed on annual basis
352        (sflxumm, sfluxmm2, bal_sfluxmm)
353      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
354        including separate counting and multipliers
355    o pkg/rbcs
356      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
357    
358    checkpoint58k_post
359    o testreport:
360     - always build in dir. "build" (if not there, mkdir build instead of building
361       & running in input)
362     - run in dir run (if it exists), in build otherwise.
363     - call prepare_run (if input/prepare_run exists)
364     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
365    o pkg/exf modifications to interpolation and rotation routines for more
366       reasonable treatment of North Pole singularity: for tracers North Pole
367       value is set to northernmost zonal-mean value, for zonal velocity it is
368       set to zero, and for meridional velocity it is set to northernmost value.
369    o pkg/exf/exf_check_range.F
370     - add tile index to diagnostics and move stop statement to the very
371       end of the routine.
372    o pkg/diagnostics: (diagnostics_main_init.F)
373      define title of isomorphic variables according to the current config.
374    o pkg/thsice with pkg/seaice dynamics:
375    - fix domain of computation (interior only, required for exf) and do exchanges
376    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
377    o towards a standard way of dealing with multi-threading in MONITOR
378      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
379    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
380       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
381    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
382    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
383    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
384       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
385    o tracer advection:
386     - clean-up and simplify calc_common_factors.F
387     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
388       advection subroutine (but still not used within DST advection S/R)
389    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
390    
391    checkpoint58j_post
392    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
393      from file (collects calls previously in FORWARD_STEP)
394    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
395    o adjoint store dir. adjusted accordingly
396    o genmake2
397      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
398    
399    checkpoint58i_post
400    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
401      on wind stress (SEAICEstressFactor defaults to 1.)
402    o Total number of Timers is finite (<=40): comment out 2 non-essential one
403      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
404    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
405      on CS-grid: no longer loosing mass.
406    o exf & curvilinear-grid: no longer modify longitude xC & xG.
407  o pkg/ggl90: fix sloppy output and fix a bug  o pkg/ggl90: fix sloppy output and fix a bug
408  o pkg/seaice: added SEAICEuseEVPpickup parameter  o pkg/seaice: added SEAICEuseEVPpickup parameter
409    - Set to false in order to start EVP solver with    - Set to false in order to start EVP solver with
410      non-EVP pickup files when using SEAICEuseEVP      non-EVP pickup files when using SEAICEuseEVP
411      - fix sign error in diffusion in seaice_calc_rhs
412    
413  checkpoint58h_post  checkpoint58h_post
414  * Modifications for bottom topography control  * Modifications for bottom topography control

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