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revision 1.713 by jmc, Mon Aug 14 00:43:23 2006 UTC revision 1.804 by mlosch, Tue May 1 04:10:31 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: some parameter clarifications and a little bit of clean up
8    o pkg/thsice: rename run-time parameters:
9       himin       -> hIceMin
10       himin0      -> hThinIce
11       hihig       -> hThickIce
12       i0          -> i0swFrac
13       transCoef   -> bMeltCoef
14       frac_energy -> fracMelting
15      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
16       with default values (for now) that do not change the results.
17      remove old version of thsice vars advection in pkg/seaice.
18    o in FFIELDS.h:
19      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
20      - make pLoad & sIceLoad always available (but still only used if
21         ATMOSPHERIC_LOADING is #define).
22    o pkg/kpp: replaced _KPP_RL with _RL
23    o bug fixes for vertical diffusivity computations when both KPP and
24        3D diffusivity arrays are used.
25    o pkg/seaice: fix bug in evp solver, while doing that
26      - change (improve?) discretization of stress computations for both
27        cgrid-lsr and evp solver
28      - add a new routine to compute strain rates
29      - the above changes lab_sea results
30      - add no slip conditions for evp solver (off by default), lsr-version
31        may follow
32      - fix exchange for shear at Z-points (does not change lab_sea)
33      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
34        (to force the user to pick a time step since there is not "safe" way
35        of choosing it)
36      - add principal stress diagnostics
37      - rearrange fields for evp a little to avoid having to call a: too many
38        exchanges and b: exchanges for stress trensor components which we do
39        not have.
40      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
41        of evp, complete rewrite for lsr case (latter is does not yet work
42        in all cases)
43    o pkg/kpp: add code to have mixing in shelf ice caverns
44      - add myThid to all kpp routines (long overdue)
45    
46    checkpoint59
47    o pkg/exf:
48      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
49        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
50      - move exf header files from lower_case.h to UPPER_CASE.h ;
51        add missing cvs Header & Name
52      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
53      - add namelist param. selectStressGridPosition, exf_monFreq
54      - retire many _CLIM routines, and remove data.exf_clim
55        + params moved to data.exf
56        + climsst, climsss now handled by exf_set_gen, i.e.
57          climss?period=0 refers to constant field,
58          climss?period=-12 to monthly forcing
59      - split up namelists in data.exf
60    o pkg/seaice:
61      - remove seaice_exch and seaice_exch_uv
62      - remove superfluous exchange of theta
63      - add myThid to seaice_budget_ocean/ice
64      - add new interface for atmospheric wind forcing (C-grid only)
65        + new routine
66        + two new field (taux, tauy for stress over ice)
67        + removed one global field (DAIRN) for C-grid case only
68    o pkg/thsise
69      - 2nd set of modifs for thsice adjoint in conjunction with exf
70    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
71    
72    checkpoint58y_post
73    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
74      vertical diffusivity, similar to that in MOM4; turned on using
75      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
76      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
77    o Added capability for 3D specification of background vertical diffusion
78      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
79      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
80      "data" file that contains the 3D vertical diffusivity coefficients.
81    o ice dynamics (pkg/seaice) with thsice thermodynamics:
82      - add code within pkg thsice to advect & diffuse sea-ice fields
83      similar to (and will replace) what has been added in  seaice_advdiff.F,
84      but: - conserving Mass, Heat & Salt.
85           - better when using non-linear advection scheme (not yet fully tested)
86           - can also be used in atmospheric set-up (for now, only the diffusion).
87    
88    checkpoint58x_post
89    o IO option for global-file compact format:
90      - add options when generating topology (utils/exch2/matlab-topology-generator)
91      - add I/O capability (pkg/mdsio).
92      - adapt utils/matlab/rdmds.m to read this format.
93      for now long-line format not yet supported by pkg/mdsio (& exch2).
94    o shelfice: add a few diagnostics
95    
96    checkpoint58w_post
97    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
98      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
99      (and replace horiVertRatio in NH code).
100      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
101                         and tutorial_plume_on_slope (sensitive to truncation)
102    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
103      directly to drive seaice model (C-grid only)
104    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
105     - reintroduce computation of wind from stress,
106     - compute tau (in exf_bulkformulae.F) from windstress averaged to
107       mass points to avoid tau = 0
108     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
109    o rdmnc.m: make it work with "global" files created with gluemnc
110    o rdmnc.m : some improvements in dealing with singleton dimension
111      (tested on all testreport mnc output files).
112    o genmake2: disable pkg/profiles if netcdf test fails.
113    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
114    o move call to cal_readparms up to make calendar parameters/variable available
115      to all packages
116    
117    checkpoint58v_post
118    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
119      useDynP_inEos_Zc tested.
120    o pkg/exf: changes to properly interpolate/mask/scale initial fields
121    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
122      and portions thereof.  See read_cs.txt for description and examples.
123    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
124      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
125      following the great-circle arc between those 2 points.
126    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
127      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
128    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
129     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
130     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
131     - still needs work (not working with some options ; efficiency to improve)
132       and serious testing.
133     - use this scheme for temperature & salinity in 2 advection test exp.:
134       advect_xy & advect_xz, respectively.
135    
136    checkpoint58u_post
137    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
138    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
139    o testreport: add option "-skipdir" to skip some test.
140    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
141      momentum calculation.
142    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
143    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
144      remove checkpoint.F and the_correction_step.F (no longer used);
145      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
146    o add option (linFSConserveTr) to correct for tracer source/sink due to
147      Linear Free surface
148    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
149    o pkg/thsice: fix reading mnc-pickups
150    
151    checkpoint58t_post
152    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
153    o pkg/mdsio:
154     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
155       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
156       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
157     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
158     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
159       either MDS_READ_FIELD or MDS_WRITE_FIELD )
160     - new S/R (to replace MDSWRITEMETA), which allows to write more
161       informations (variable names, time ...) to meta files.
162     - modify rdmds.m to give back the meta file content.
163    o pkg/diagnostics: change vertical interpolation to be safer, and more
164       flexible (define p-levels to interpolate to in data.diagnostics);
165      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
166       diagnostic pointer.
167    o pkg/seaice: more cleaning up of seaice_growth, added many comments
168    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
169    o fix multi-category seaice:
170     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
171       SEAICE_MULTICATEGORY
172     - fix short wave heat flux
173    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
174       and allow to use EVP solver. Change forward lab_sea: test both EVP
175       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
176    o Initial check-in of lab_sea adjoint
177      (very similar to natl_box_adjoint/code_seaice)
178      * used C-grid and EVP solver
179      * used KPP, GM/Redi
180      * uses inAdExact=.TRUE.
181      * gradient checks fail for both ADM and TLM
182        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
183        f.d. gradients actually seem more problematic than ADM, TLM gradients;
184        issue is related to forward mismatch between g77 an ifort
185    o pkg/seaice: overhaul of thermodynamics
186     - growth.F and groatb.F are replaced by new routine seaice_growth.F
187     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
188     - move a few global fields out of SEAICE.h into seaice_growth.F and
189       make them 2D (FICE/QNETO/ ...)
190     - remove FO (it is the same as QNETO)
191     - introduce a few local fields to avoid modifying external fields such
192       as atemp, etc.
193    
194    checkpoint58s_post
195    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
196      changed exf_set_gen.F so that
197        genperiod=0 means input file is one time-constant field and
198        genperiod=-12 means input file contains 12 monthly means
199    o CG2D: use pre-computed solver main-diagonal (stored in common block);
200      this affects truncation error ; generate new output file for exp. which
201      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
202        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
203        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
204        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
205        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
206        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
207    o start implementation of deep-atmosphere and anelastic formulation
208    o verification: remove 2nd copy of input files and use script "prepare_run"
209      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
210    o mom_common/vecinv/fluxform: fix a few initialisation isssues
211    o profiles: fix for multithreaded case
212    
213    o diagnostics: rename few diags:
214      s/'PRESSURE'/'RCENTER '/g
215      s/'TICE    '/'oceFreez'/g
216      s/'TAUX    '/'oceTAUX '/g
217      s/'TAUY    '/'oceTAUY '/g
218      s/'SWFLUX  '/'oceQsw  '/g
219      s/DIFx/DFxE/g
220      s/DIFy/DFyE/g
221      and add few ocean-forcing diagnostics:
222      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
223    o modifications to pkg/seaice/growth.F and budget.F, which change results of
224      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
225      as actual snow thickness.  It now refers everywhere to effective snow
226      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
227    
228    checkpoint58r_post
229    o modifications to pkg/seaice/growth.F, which change results of
230      lab_sea experiment: fixes pertain to melting snow over open water, to
231      masking EVAP under sea ice, and to using the correct AREA variable for
232      computations of EVAP, PRECIP, HSNOW, and GHEFF
233    o add ability to read bathy, salt, and theta using MNC (off by def)
234    o add flooding algorithm and advection of HSNOW for pkg/seaice;
235      both are turned off by default and do no change any results
236    o seaice advection with pkg/thsice: a step toward the use of non-linear
237      advection scheme, but #ifdef or commented out for now (requires more EXCH).
238    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
239      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
240      in natl_box (affects results @ truncation level: update output.txt)
241    o multi-threading and IO:
242      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
243      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
244        (needed to work with SingleCpuIO): tested in all verif. exp.
245    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
246      affects the results (but none of the verification test uses this scheme).
247    o Adding some pkg/diagnostics capability to pkg/seaice
248      (will certainly be subject to changes)
249    o ctrl: adding new control variables:
250      lwflux, lwdown, evap, snowprecip, apressure, runoff
251    
252    checkpoint58q_post
253    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
254      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
255      high_res_cube configuration by 4% on Columbia.
256    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
257      add (in global_with_exf/code) a version of EXF_INTERP_READ without
258      dynamical allocation (seems to work in multi-threaded).
259    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
260      single CPU io) so that TAF does not have to see EESUPPORT.h
261    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
262    
263    checkpoint58p_post
264    o obcs: stop if obcs is used with useCDscheme = .true.
265    o shelfice:
266     - fix a sign error so that no slip at shelfice interface works
267     - remove stop for combination non-hydrostatic code and shelfice. That does
268       not mean, that the results are correct, but at least they are numerically
269       stable
270    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
271    o added adjoint exch routined for all exch*3d* routines
272      and updated flow directives
273    
274    checkpoint58o_post
275    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
276      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
277    o change controling S/R for writing pickup file (new S/R do_write_pickup)
278      and clean-up reading/writing of pickup files.
279    o fix local version of read/write pickup (NH part) in rotating_tank/code
280    o simplify EXCH interface:
281     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
282     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
283    o added the regrid package
284    o shelfice:
285     - add a simple boundary layer scheme to reduce noise
286     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
287    
288    checkpoint58n_post
289  o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to  o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
290     local variable (not in common block).     local variable (not in common block).
291  o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.  o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.

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