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revision 1.647 by mlosch, Wed Apr 5 21:27:19 2006 UTC revision 1.773 by jmc, Wed Feb 21 00:43:39 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 rdmnc.m : some improvements in dealing with singleton dimension
8      (tested on all testreport mnc output files).
9    o genmake2: disable pkg/profiles if netcdf test fails.
10    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
11    o move call to cal_readparms up to make calendar parameters/variable available
12      to all packages
13    
14    checkpoint58v_post
15    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
16      useDynP_inEos_Zc tested.
17    o pkg/exf: changes to properly interpolate/mask/scale initial fields
18    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
19      and portions thereof.  See read_cs.txt for description and examples.
20    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
21      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
22      following the great-circle arc between those 2 points.
23    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
24      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
25    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
26     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
27     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
28     - still needs work (not working with some options ; efficiency to improve)
29       and serious testing.
30     - use this scheme for temperature & salinity in 2 advection test exp.:
31       advect_xy & advect_xz, respectively.
32    
33    checkpoint58u_post
34    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
35    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
36    o testreport: add option "-skipdir" to skip some test.
37    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
38      momentum calculation.
39    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
40    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
41      remove checkpoint.F and the_correction_step.F (no longer used);
42      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
43    o add option (linFSConserveTr) to correct for tracer source/sink due to
44      Linear Free surface
45    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
46    o pkg/thsice: fix reading mnc-pickups
47    
48    checkpoint58t_post
49    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
50    o pkg/mdsio:
51     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
52       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
53       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
54     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
55     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
56       either MDS_READ_FIELD or MDS_WRITE_FIELD )
57     - new S/R (to replace MDSWRITEMETA), which allows to write more
58       informations (variable names, time ...) to meta files.
59     - modify rdmds.m to give back the meta file content.
60    o pkg/diagnostics: change vertical interpolation to be safer, and more
61       flexible (define p-levels to interpolate to in data.diagnostics);
62      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
63       diagnostic pointer.
64    o pkg/seaice: more cleaning up of seaice_growth, added many comments
65    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
66    o fix multi-category seaice:
67     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
68       SEAICE_MULTICATEGORY
69     - fix short wave heat flux
70    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
71       and allow to use EVP solver. Change forward lab_sea: test both EVP
72       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
73    o Initial check-in of lab_sea adjoint
74      (very similar to natl_box_adjoint/code_seaice)
75      * used C-grid and EVP solver
76      * used KPP, GM/Redi
77      * uses inAdExact=.TRUE.
78      * gradient checks fail for both ADM and TLM
79        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
80        f.d. gradients actually seem more problematic than ADM, TLM gradients;
81        issue is related to forward mismatch between g77 an ifort
82    o pkg/seaice: overhaul of thermodynamics
83     - growth.F and groatb.F are replaced by new routine seaice_growth.F
84     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
85     - move a few global fields out of SEAICE.h into seaice_growth.F and
86       make them 2D (FICE/QNETO/ ...)
87     - remove FO (it is the same as QNETO)
88     - introduce a few local fields to avoid modifying external fields such
89       as atemp, etc.
90    
91    checkpoint58s_post
92    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
93      changed exf_set_gen.F so that
94        genperiod=0 means input file is one time-constant field and
95        genperiod=-12 means input file contains 12 monthly means
96    o CG2D: use pre-computed solver main-diagonal (stored in common block);
97      this affects truncation error ; generate new output file for exp. which
98      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
99        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
100        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
101        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
102        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
103        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
104    o start implementation of deep-atmosphere and anelastic formulation
105    o verification: remove 2nd copy of input files and use script "prepare_run"
106      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
107    o mom_common/vecinv/fluxform: fix a few initialisation isssues
108    o profiles: fix for multithreaded case
109    
110    o diagnostics: rename few diags:
111      s/'PRESSURE'/'RCENTER '/g
112      s/'TICE    '/'oceFreez'/g
113      s/'TAUX    '/'oceTAUX '/g
114      s/'TAUY    '/'oceTAUY '/g
115      s/'SWFLUX  '/'oceQsw  '/g
116      s/DIFx/DFxE/g
117      s/DIFy/DFyE/g
118      and add few ocean-forcing diagnostics:
119      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
120    o modifications to pkg/seaice/growth.F and budget.F, which change results of
121      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
122      as actual snow thickness.  It now refers everywhere to effective snow
123      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
124    
125    checkpoint58r_post
126    o modifications to pkg/seaice/growth.F, which change results of
127      lab_sea experiment: fixes pertain to melting snow over open water, to
128      masking EVAP under sea ice, and to using the correct AREA variable for
129      computations of EVAP, PRECIP, HSNOW, and GHEFF
130    o add ability to read bathy, salt, and theta using MNC (off by def)
131    o add flooding algorithm and advection of HSNOW for pkg/seaice;
132      both are turned off by default and do no change any results
133    o seaice advection with pkg/thsice: a step toward the use of non-linear
134      advection scheme, but #ifdef or commented out for now (requires more EXCH).
135    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
136      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
137      in natl_box (affects results @ truncation level: update output.txt)
138    o multi-threading and IO:
139      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
140      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
141        (needed to work with SingleCpuIO): tested in all verif. exp.
142    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
143      affects the results (but none of the verification test uses this scheme).
144    o Adding some pkg/diagnostics capability to pkg/seaice
145      (will certainly be subject to changes)
146    o ctrl: adding new control variables:
147      lwflux, lwdown, evap, snowprecip, apressure, runoff
148    
149    checkpoint58q_post
150    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
151      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
152      high_res_cube configuration by 4% on Columbia.
153    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
154      add (in global_with_exf/code) a version of EXF_INTERP_READ without
155      dynamical allocation (seems to work in multi-threaded).
156    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
157      single CPU io) so that TAF does not have to see EESUPPORT.h
158    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
159    
160    checkpoint58p_post
161    o obcs: stop if obcs is used with useCDscheme = .true.
162    o shelfice:
163     - fix a sign error so that no slip at shelfice interface works
164     - remove stop for combination non-hydrostatic code and shelfice. That does
165       not mean, that the results are correct, but at least they are numerically
166       stable
167    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
168    o added adjoint exch routined for all exch*3d* routines
169      and updated flow directives
170    
171    checkpoint58o_post
172    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
173      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
174    o change controling S/R for writing pickup file (new S/R do_write_pickup)
175      and clean-up reading/writing of pickup files.
176    o fix local version of read/write pickup (NH part) in rotating_tank/code
177    o simplify EXCH interface:
178     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
179     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
180    o added the regrid package
181    o shelfice:
182     - add a simple boundary layer scheme to reduce noise
183     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
184    
185    checkpoint58n_post
186    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
187       local variable (not in common block).
188    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
189      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
190      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
191        to work with SingleCpuIO.
192    o add "_d 0" to real constant of pkg/cfc subroutines ;
193       update exp. cfc_exemple & tutorial_cfc_offline output files.
194    o multi-threading and IO:
195      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
196        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
197      - barrier before and after reading.
198      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
199      - avoid using MDS_WRITELOCAL for LAND pkg output.
200      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
201        common-block variables ; Allows multi-threading with master-thread IO.
202    o change default MAX_NO_THREADS from 32 to 4 ;
203      and stop cleanly when MAX_NO_THREADS is too small.
204    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
205    
206    checkpoint58m_post
207    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
208       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
209    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
210       keep global_ocean.90x40x15 (for AD testing) with former secondary test
211       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
212    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
213        add MITgcm_tutorials (= code + all the tutorials)
214    o ecco, option to compute cost for total ssh (mean+anom)
215    o consistent with addition of ptracer and ssh in pkg/profiles
216    o profiles: adding ptracer and ssh
217    o testreport: change multi-test output-file name
218      (from output.txt.{name} to output.{name}.txt)
219    o profiles: now ok for mutli-tiles case
220    o seaice: add 4 parameters for different advection schemes for area,
221      (effective) seaice thickness, enthalphy, and snow height. Their default
222      is the standard parameter SEAICEadvScheme
223    o calc_gw:
224     - add cosFacU in zonal viscous flux (harmonic.visc.).
225     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
226       of tutorial_plume_on_slope.
227    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
228    o calc_gw: true flux-form, account for horizontal grid spacing.
229      update rotating_tank results, but not plume_on_slope (affected at
230      truncation level, 11 digits).
231    
232    checkpoint58l_post
233    o calc_gw:
234     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
235     - remove side-drag for now (need to fix it); update plume_on_slope results.
236     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
237    o commit code to make SST/SSS weights spatially variable
238      (based on either variable in-situ or variable initial T/S weights)
239    o pkg/ecco:
240      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
241        now based on horizontally varying weights wthetaLev, wsaltLev
242      * cost_averagesflags now returns year indices in addition to day, month
243      * sflux balance is performed on annual basis
244        (sflxumm, sfluxmm2, bal_sfluxmm)
245      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
246        including separate counting and multipliers
247    o pkg/rbcs
248      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
249    
250    checkpoint58k_post
251    o testreport:
252     - always build in dir. "build" (if not there, mkdir build instead of building
253       & running in input)
254     - run in dir run (if it exists), in build otherwise.
255     - call prepare_run (if input/prepare_run exists)
256     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
257    o pkg/exf modifications to interpolation and rotation routines for more
258       reasonable treatment of North Pole singularity: for tracers North Pole
259       value is set to northernmost zonal-mean value, for zonal velocity it is
260       set to zero, and for meridional velocity it is set to northernmost value.
261    o pkg/exf/exf_check_range.F
262     - add tile index to diagnostics and move stop statement to the very
263       end of the routine.
264    o pkg/diagnostics: (diagnostics_main_init.F)
265      define title of isomorphic variables according to the current config.
266    o pkg/thsice with pkg/seaice dynamics:
267    - fix domain of computation (interior only, required for exf) and do exchanges
268    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
269    o towards a standard way of dealing with multi-threading in MONITOR
270      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
271    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
272       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
273    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
274    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
275    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
276       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
277    o tracer advection:
278     - clean-up and simplify calc_common_factors.F
279     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
280       advection subroutine (but still not used within DST advection S/R)
281    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
282    
283    checkpoint58j_post
284    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
285      from file (collects calls previously in FORWARD_STEP)
286    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
287    o adjoint store dir. adjusted accordingly
288    o genmake2
289      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
290    
291    checkpoint58i_post
292    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
293      on wind stress (SEAICEstressFactor defaults to 1.)
294    o Total number of Timers is finite (<=40): comment out 2 non-essential one
295      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
296    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
297      on CS-grid: no longer loosing mass.
298    o exf & curvilinear-grid: no longer modify longitude xC & xG.
299    o pkg/ggl90: fix sloppy output and fix a bug
300    o pkg/seaice: added SEAICEuseEVPpickup parameter
301      - Set to false in order to start EVP solver with
302        non-EVP pickup files when using SEAICEuseEVP
303      - fix sign error in diffusion in seaice_calc_rhs
304    
305    checkpoint58h_post
306    * Modifications for bottom topography control
307      o replace hFacC by _hFacC at various places
308      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
309      o add non-self-adjoint cg2d_nsa
310      o update autodiff support routines
311      o re-initialise hfac after ctrl_depth_ini
312      o works for 5x5 box, doesnt work for global_ocean.90x40x15
313    * Adding verification for 5x5 box (4-layer) bottom topography control
314    
315    checkpoint58g_post
316    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
317       used for mean seasonal cycle, mean diurnal cycle); add an example
318       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
319    o pkg/ggl90:
320      - add parameter (minimum surface kinetic energy)
321      - fix bug (avoiding division by zero)
322    o couple pkg/thsice to pkg/seaice:
323      - modify advection in seaice to accomodate new scalar fields to be advected
324      - only muliDimAdection scheme work with seaice/thsice
325      - mapping of thsice-variables to seaice-variables, back and forth
326      - does not break the verification experiments, but does not give the
327        desired results either
328    o pkg/seaice
329      - make (default) second order advection a bit less confusing?
330    
331    checkpoint58f_post
332    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
333      to pkg/seaice):
334      - new routines thsice_map_exf and thsice_get_exf provide the interface
335      - add an additional formal parameter to thsice_solve4temp
336    o pkg/exf:
337      - add new fields wspeed, snowprecip (to be able to couple to thsice)
338      - correct Stefan-Boltzmann constant
339      - new parameter for longwave surface emittance
340      - separate some stuff from exf_bulkformulae into new routines  
341        exf_radiation, exf_wind
342      - add new parameters and constants: longwave emissivity for ocean, ice
343        and snow, evaporation parameters over ice
344      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
345        either wind from stress or stress from wind
346    o pkg/thSIce:
347    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
348    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
349       and THSICE_CALC_THICKN
350    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
351    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
352      to make debugging easier.
353    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
354    o pkg/bulk_force:
355      - clean-up comments and parameters ;
356      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
357    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
358      generate new output for test-experiment: aim.5l_cs.thSI
359    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
360      testreport accordingly
361    
362    checkpoint58e_post
363    o SEAICE_CGRID adjoint done
364    o R_STAR adjoint implemented.
365      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
366      * need to sort out init. of h0facc, etc.
367    o Make pkg/profile fully independent of ecco,cost, etc. stuff
368      to be able to use it in pure forward.
369    
370    checkpoint58d_post
371    o upgrade simple test-experiment to tutorial example:
372     step.1: duplicate the experiment and (step.2) will remove the old copy.
373      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
374      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
375      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
376      tutorial_global_oce_biogeo    <- copy of dic_example
377      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
378      tutorial_plume_on_slope       <- copy of plume_on_slope
379      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
380      tutorial_global_oce_optim     <- empty for now (David ?)
381      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
382     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
383    o correct a sign problem in cost_scat.F
384    o obcs and ptracers: fix boundary conditions for advections schemes
385      with larger stencil
386    o thsice adjoint: start
387  o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for  o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
388    completeness    completeness
389  o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING  o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING

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