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revision 1.671 by jmc, Thu Jun 8 01:13:52 2006 UTC revision 1.778 by mlosch, Wed Mar 14 15:44:24 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 shelfice: add a few diagnostics
8    
9    checkpoint58w_post
10    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
11      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
12      (and replace horiVertRatio in NH code).
13      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
14                         and tutorial_plume_on_slope (sensitive to truncation)
15    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
16      directly to drive seaice model (C-grid only)
17    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
18     - reintroduce computation of wind from stress,
19     - compute tau (in exf_bulkformulae.F) from windstress averaged to
20       mass points to avoid tau = 0
21     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
22    o rdmnc.m: make it work with "global" files created with gluemnc
23    o rdmnc.m : some improvements in dealing with singleton dimension
24      (tested on all testreport mnc output files).
25    o genmake2: disable pkg/profiles if netcdf test fails.
26    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
27    o move call to cal_readparms up to make calendar parameters/variable available
28      to all packages
29    
30    checkpoint58v_post
31    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
32      useDynP_inEos_Zc tested.
33    o pkg/exf: changes to properly interpolate/mask/scale initial fields
34    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
35      and portions thereof.  See read_cs.txt for description and examples.
36    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
37      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
38      following the great-circle arc between those 2 points.
39    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
40      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
41    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
42     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
43     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
44     - still needs work (not working with some options ; efficiency to improve)
45       and serious testing.
46     - use this scheme for temperature & salinity in 2 advection test exp.:
47       advect_xy & advect_xz, respectively.
48    
49    checkpoint58u_post
50    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
51    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
52    o testreport: add option "-skipdir" to skip some test.
53    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
54      momentum calculation.
55    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
56    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
57      remove checkpoint.F and the_correction_step.F (no longer used);
58      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
59    o add option (linFSConserveTr) to correct for tracer source/sink due to
60      Linear Free surface
61    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
62    o pkg/thsice: fix reading mnc-pickups
63    
64    checkpoint58t_post
65    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
66    o pkg/mdsio:
67     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
68       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
69       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
70     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
71     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
72       either MDS_READ_FIELD or MDS_WRITE_FIELD )
73     - new S/R (to replace MDSWRITEMETA), which allows to write more
74       informations (variable names, time ...) to meta files.
75     - modify rdmds.m to give back the meta file content.
76    o pkg/diagnostics: change vertical interpolation to be safer, and more
77       flexible (define p-levels to interpolate to in data.diagnostics);
78      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
79       diagnostic pointer.
80    o pkg/seaice: more cleaning up of seaice_growth, added many comments
81    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
82    o fix multi-category seaice:
83     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
84       SEAICE_MULTICATEGORY
85     - fix short wave heat flux
86    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
87       and allow to use EVP solver. Change forward lab_sea: test both EVP
88       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
89    o Initial check-in of lab_sea adjoint
90      (very similar to natl_box_adjoint/code_seaice)
91      * used C-grid and EVP solver
92      * used KPP, GM/Redi
93      * uses inAdExact=.TRUE.
94      * gradient checks fail for both ADM and TLM
95        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
96        f.d. gradients actually seem more problematic than ADM, TLM gradients;
97        issue is related to forward mismatch between g77 an ifort
98    o pkg/seaice: overhaul of thermodynamics
99     - growth.F and groatb.F are replaced by new routine seaice_growth.F
100     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
101     - move a few global fields out of SEAICE.h into seaice_growth.F and
102       make them 2D (FICE/QNETO/ ...)
103     - remove FO (it is the same as QNETO)
104     - introduce a few local fields to avoid modifying external fields such
105       as atemp, etc.
106    
107    checkpoint58s_post
108    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
109      changed exf_set_gen.F so that
110        genperiod=0 means input file is one time-constant field and
111        genperiod=-12 means input file contains 12 monthly means
112    o CG2D: use pre-computed solver main-diagonal (stored in common block);
113      this affects truncation error ; generate new output file for exp. which
114      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
115        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
116        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
117        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
118        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
119        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
120    o start implementation of deep-atmosphere and anelastic formulation
121    o verification: remove 2nd copy of input files and use script "prepare_run"
122      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
123    o mom_common/vecinv/fluxform: fix a few initialisation isssues
124    o profiles: fix for multithreaded case
125    
126    o diagnostics: rename few diags:
127      s/'PRESSURE'/'RCENTER '/g
128      s/'TICE    '/'oceFreez'/g
129      s/'TAUX    '/'oceTAUX '/g
130      s/'TAUY    '/'oceTAUY '/g
131      s/'SWFLUX  '/'oceQsw  '/g
132      s/DIFx/DFxE/g
133      s/DIFy/DFyE/g
134      and add few ocean-forcing diagnostics:
135      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
136    o modifications to pkg/seaice/growth.F and budget.F, which change results of
137      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
138      as actual snow thickness.  It now refers everywhere to effective snow
139      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
140    
141    checkpoint58r_post
142    o modifications to pkg/seaice/growth.F, which change results of
143      lab_sea experiment: fixes pertain to melting snow over open water, to
144      masking EVAP under sea ice, and to using the correct AREA variable for
145      computations of EVAP, PRECIP, HSNOW, and GHEFF
146    o add ability to read bathy, salt, and theta using MNC (off by def)
147    o add flooding algorithm and advection of HSNOW for pkg/seaice;
148      both are turned off by default and do no change any results
149    o seaice advection with pkg/thsice: a step toward the use of non-linear
150      advection scheme, but #ifdef or commented out for now (requires more EXCH).
151    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
152      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
153      in natl_box (affects results @ truncation level: update output.txt)
154    o multi-threading and IO:
155      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
156      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
157        (needed to work with SingleCpuIO): tested in all verif. exp.
158    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
159      affects the results (but none of the verification test uses this scheme).
160    o Adding some pkg/diagnostics capability to pkg/seaice
161      (will certainly be subject to changes)
162    o ctrl: adding new control variables:
163      lwflux, lwdown, evap, snowprecip, apressure, runoff
164    
165    checkpoint58q_post
166    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
167      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
168      high_res_cube configuration by 4% on Columbia.
169    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
170      add (in global_with_exf/code) a version of EXF_INTERP_READ without
171      dynamical allocation (seems to work in multi-threaded).
172    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
173      single CPU io) so that TAF does not have to see EESUPPORT.h
174    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
175    
176    checkpoint58p_post
177    o obcs: stop if obcs is used with useCDscheme = .true.
178    o shelfice:
179     - fix a sign error so that no slip at shelfice interface works
180     - remove stop for combination non-hydrostatic code and shelfice. That does
181       not mean, that the results are correct, but at least they are numerically
182       stable
183    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
184    o added adjoint exch routined for all exch*3d* routines
185      and updated flow directives
186    
187    checkpoint58o_post
188    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
189      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
190    o change controling S/R for writing pickup file (new S/R do_write_pickup)
191      and clean-up reading/writing of pickup files.
192    o fix local version of read/write pickup (NH part) in rotating_tank/code
193    o simplify EXCH interface:
194     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
195     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
196    o added the regrid package
197    o shelfice:
198     - add a simple boundary layer scheme to reduce noise
199     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
200    
201    checkpoint58n_post
202    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
203       local variable (not in common block).
204    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
205      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
206      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
207        to work with SingleCpuIO.
208    o add "_d 0" to real constant of pkg/cfc subroutines ;
209       update exp. cfc_exemple & tutorial_cfc_offline output files.
210    o multi-threading and IO:
211      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
212        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
213      - barrier before and after reading.
214      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
215      - avoid using MDS_WRITELOCAL for LAND pkg output.
216      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
217        common-block variables ; Allows multi-threading with master-thread IO.
218    o change default MAX_NO_THREADS from 32 to 4 ;
219      and stop cleanly when MAX_NO_THREADS is too small.
220    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
221    
222    checkpoint58m_post
223    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
224       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
225    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
226       keep global_ocean.90x40x15 (for AD testing) with former secondary test
227       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
228    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
229        add MITgcm_tutorials (= code + all the tutorials)
230    o ecco, option to compute cost for total ssh (mean+anom)
231    o consistent with addition of ptracer and ssh in pkg/profiles
232    o profiles: adding ptracer and ssh
233    o testreport: change multi-test output-file name
234      (from output.txt.{name} to output.{name}.txt)
235    o profiles: now ok for mutli-tiles case
236    o seaice: add 4 parameters for different advection schemes for area,
237      (effective) seaice thickness, enthalphy, and snow height. Their default
238      is the standard parameter SEAICEadvScheme
239    o calc_gw:
240     - add cosFacU in zonal viscous flux (harmonic.visc.).
241     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
242       of tutorial_plume_on_slope.
243    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
244    o calc_gw: true flux-form, account for horizontal grid spacing.
245      update rotating_tank results, but not plume_on_slope (affected at
246      truncation level, 11 digits).
247    
248    checkpoint58l_post
249    o calc_gw:
250     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
251     - remove side-drag for now (need to fix it); update plume_on_slope results.
252     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
253    o commit code to make SST/SSS weights spatially variable
254      (based on either variable in-situ or variable initial T/S weights)
255    o pkg/ecco:
256      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
257        now based on horizontally varying weights wthetaLev, wsaltLev
258      * cost_averagesflags now returns year indices in addition to day, month
259      * sflux balance is performed on annual basis
260        (sflxumm, sfluxmm2, bal_sfluxmm)
261      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
262        including separate counting and multipliers
263    o pkg/rbcs
264      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
265    
266    checkpoint58k_post
267    o testreport:
268     - always build in dir. "build" (if not there, mkdir build instead of building
269       & running in input)
270     - run in dir run (if it exists), in build otherwise.
271     - call prepare_run (if input/prepare_run exists)
272     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
273    o pkg/exf modifications to interpolation and rotation routines for more
274       reasonable treatment of North Pole singularity: for tracers North Pole
275       value is set to northernmost zonal-mean value, for zonal velocity it is
276       set to zero, and for meridional velocity it is set to northernmost value.
277    o pkg/exf/exf_check_range.F
278     - add tile index to diagnostics and move stop statement to the very
279       end of the routine.
280    o pkg/diagnostics: (diagnostics_main_init.F)
281      define title of isomorphic variables according to the current config.
282    o pkg/thsice with pkg/seaice dynamics:
283    - fix domain of computation (interior only, required for exf) and do exchanges
284    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
285    o towards a standard way of dealing with multi-threading in MONITOR
286      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
287    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
288       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
289    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
290    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
291    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
292       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
293    o tracer advection:
294     - clean-up and simplify calc_common_factors.F
295     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
296       advection subroutine (but still not used within DST advection S/R)
297    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
298    
299    checkpoint58j_post
300    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
301      from file (collects calls previously in FORWARD_STEP)
302    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
303    o adjoint store dir. adjusted accordingly
304    o genmake2
305      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
306    
307    checkpoint58i_post
308    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
309      on wind stress (SEAICEstressFactor defaults to 1.)
310    o Total number of Timers is finite (<=40): comment out 2 non-essential one
311      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
312    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
313      on CS-grid: no longer loosing mass.
314    o exf & curvilinear-grid: no longer modify longitude xC & xG.
315  o pkg/ggl90: fix sloppy output and fix a bug  o pkg/ggl90: fix sloppy output and fix a bug
316    o pkg/seaice: added SEAICEuseEVPpickup parameter
317      - Set to false in order to start EVP solver with
318        non-EVP pickup files when using SEAICEuseEVP
319      - fix sign error in diffusion in seaice_calc_rhs
320    
321  checkpoint58h_post  checkpoint58h_post
322  * Modifications for bottom topography control  * Modifications for bottom topography control

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