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revision 1.650 by gforget, Wed Apr 19 19:43:10 2006 UTC revision 1.771 by mlosch, Thu Feb 15 14:57:36 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 move call to cal_readparms up to make calendar parameters/variable available
8      to all packages
9    
10    checkpoint58v_post
11    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
12      useDynP_inEos_Zc tested.
13    o pkg/exf: changes to properly interpolate/mask/scale initial fields
14    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
15      and portions thereof.  See read_cs.txt for description and examples.
16    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
17      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
18      following the great-circle arc between those 2 points.
19    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
20      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
21    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
22     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
23     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
24     - still needs work (not working with some options ; efficiency to improve)
25       and serious testing.
26     - use this scheme for temperature & salinity in 2 advection test exp.:
27       advect_xy & advect_xz, respectively.
28    
29    checkpoint58u_post
30    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
31    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
32    o testreport: add option "-skipdir" to skip some test.
33    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
34      momentum calculation.
35    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
36    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
37      remove checkpoint.F and the_correction_step.F (no longer used);
38      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
39    o add option (linFSConserveTr) to correct for tracer source/sink due to
40      Linear Free surface
41    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
42    o pkg/thsice: fix reading mnc-pickups
43    
44    checkpoint58t_post
45    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
46    o pkg/mdsio:
47     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
48       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
49       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
50     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
51     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
52       either MDS_READ_FIELD or MDS_WRITE_FIELD )
53     - new S/R (to replace MDSWRITEMETA), which allows to write more
54       informations (variable names, time ...) to meta files.
55     - modify rdmds.m to give back the meta file content.
56    o pkg/diagnostics: change vertical interpolation to be safer, and more
57       flexible (define p-levels to interpolate to in data.diagnostics);
58      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
59       diagnostic pointer.
60    o pkg/seaice: more cleaning up of seaice_growth, added many comments
61    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
62    o fix multi-category seaice:
63     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
64       SEAICE_MULTICATEGORY
65     - fix short wave heat flux
66    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
67       and allow to use EVP solver. Change forward lab_sea: test both EVP
68       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
69    o Initial check-in of lab_sea adjoint
70      (very similar to natl_box_adjoint/code_seaice)
71      * used C-grid and EVP solver
72      * used KPP, GM/Redi
73      * uses inAdExact=.TRUE.
74      * gradient checks fail for both ADM and TLM
75        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
76        f.d. gradients actually seem more problematic than ADM, TLM gradients;
77        issue is related to forward mismatch between g77 an ifort
78    o pkg/seaice: overhaul of thermodynamics
79     - growth.F and groatb.F are replaced by new routine seaice_growth.F
80     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
81     - move a few global fields out of SEAICE.h into seaice_growth.F and
82       make them 2D (FICE/QNETO/ ...)
83     - remove FO (it is the same as QNETO)
84     - introduce a few local fields to avoid modifying external fields such
85       as atemp, etc.
86    
87    checkpoint58s_post
88    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
89      changed exf_set_gen.F so that
90        genperiod=0 means input file is one time-constant field and
91        genperiod=-12 means input file contains 12 monthly means
92    o CG2D: use pre-computed solver main-diagonal (stored in common block);
93      this affects truncation error ; generate new output file for exp. which
94      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
95        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
96        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
97        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
98        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
99        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
100    o start implementation of deep-atmosphere and anelastic formulation
101    o verification: remove 2nd copy of input files and use script "prepare_run"
102      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
103    o mom_common/vecinv/fluxform: fix a few initialisation isssues
104    o profiles: fix for multithreaded case
105    
106    o diagnostics: rename few diags:
107      s/'PRESSURE'/'RCENTER '/g
108      s/'TICE    '/'oceFreez'/g
109      s/'TAUX    '/'oceTAUX '/g
110      s/'TAUY    '/'oceTAUY '/g
111      s/'SWFLUX  '/'oceQsw  '/g
112      s/DIFx/DFxE/g
113      s/DIFy/DFyE/g
114      and add few ocean-forcing diagnostics:
115      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
116    o modifications to pkg/seaice/growth.F and budget.F, which change results of
117      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
118      as actual snow thickness.  It now refers everywhere to effective snow
119      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
120    
121    checkpoint58r_post
122    o modifications to pkg/seaice/growth.F, which change results of
123      lab_sea experiment: fixes pertain to melting snow over open water, to
124      masking EVAP under sea ice, and to using the correct AREA variable for
125      computations of EVAP, PRECIP, HSNOW, and GHEFF
126    o add ability to read bathy, salt, and theta using MNC (off by def)
127    o add flooding algorithm and advection of HSNOW for pkg/seaice;
128      both are turned off by default and do no change any results
129    o seaice advection with pkg/thsice: a step toward the use of non-linear
130      advection scheme, but #ifdef or commented out for now (requires more EXCH).
131    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
132      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
133      in natl_box (affects results @ truncation level: update output.txt)
134    o multi-threading and IO:
135      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
136      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
137        (needed to work with SingleCpuIO): tested in all verif. exp.
138    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
139      affects the results (but none of the verification test uses this scheme).
140    o Adding some pkg/diagnostics capability to pkg/seaice
141      (will certainly be subject to changes)
142    o ctrl: adding new control variables:
143      lwflux, lwdown, evap, snowprecip, apressure, runoff
144    
145    checkpoint58q_post
146    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
147      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
148      high_res_cube configuration by 4% on Columbia.
149    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
150      add (in global_with_exf/code) a version of EXF_INTERP_READ without
151      dynamical allocation (seems to work in multi-threaded).
152    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
153      single CPU io) so that TAF does not have to see EESUPPORT.h
154    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
155    
156    checkpoint58p_post
157    o obcs: stop if obcs is used with useCDscheme = .true.
158    o shelfice:
159     - fix a sign error so that no slip at shelfice interface works
160     - remove stop for combination non-hydrostatic code and shelfice. That does
161       not mean, that the results are correct, but at least they are numerically
162       stable
163    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
164    o added adjoint exch routined for all exch*3d* routines
165      and updated flow directives
166    
167    checkpoint58o_post
168    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
169      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
170    o change controling S/R for writing pickup file (new S/R do_write_pickup)
171      and clean-up reading/writing of pickup files.
172    o fix local version of read/write pickup (NH part) in rotating_tank/code
173    o simplify EXCH interface:
174     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
175     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
176    o added the regrid package
177    o shelfice:
178     - add a simple boundary layer scheme to reduce noise
179     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
180    
181    checkpoint58n_post
182    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
183       local variable (not in common block).
184    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
185      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
186      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
187        to work with SingleCpuIO.
188    o add "_d 0" to real constant of pkg/cfc subroutines ;
189       update exp. cfc_exemple & tutorial_cfc_offline output files.
190    o multi-threading and IO:
191      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
192        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
193      - barrier before and after reading.
194      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
195      - avoid using MDS_WRITELOCAL for LAND pkg output.
196      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
197        common-block variables ; Allows multi-threading with master-thread IO.
198    o change default MAX_NO_THREADS from 32 to 4 ;
199      and stop cleanly when MAX_NO_THREADS is too small.
200    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
201    
202    checkpoint58m_post
203    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
204       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
205    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
206       keep global_ocean.90x40x15 (for AD testing) with former secondary test
207       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
208    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
209        add MITgcm_tutorials (= code + all the tutorials)
210    o ecco, option to compute cost for total ssh (mean+anom)
211    o consistent with addition of ptracer and ssh in pkg/profiles
212    o profiles: adding ptracer and ssh
213    o testreport: change multi-test output-file name
214      (from output.txt.{name} to output.{name}.txt)
215    o profiles: now ok for mutli-tiles case
216    o seaice: add 4 parameters for different advection schemes for area,
217      (effective) seaice thickness, enthalphy, and snow height. Their default
218      is the standard parameter SEAICEadvScheme
219    o calc_gw:
220     - add cosFacU in zonal viscous flux (harmonic.visc.).
221     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
222       of tutorial_plume_on_slope.
223    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
224    o calc_gw: true flux-form, account for horizontal grid spacing.
225      update rotating_tank results, but not plume_on_slope (affected at
226      truncation level, 11 digits).
227    
228    checkpoint58l_post
229    o calc_gw:
230     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
231     - remove side-drag for now (need to fix it); update plume_on_slope results.
232     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
233    o commit code to make SST/SSS weights spatially variable
234      (based on either variable in-situ or variable initial T/S weights)
235    o pkg/ecco:
236      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
237        now based on horizontally varying weights wthetaLev, wsaltLev
238      * cost_averagesflags now returns year indices in addition to day, month
239      * sflux balance is performed on annual basis
240        (sflxumm, sfluxmm2, bal_sfluxmm)
241      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
242        including separate counting and multipliers
243    o pkg/rbcs
244      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
245    
246    checkpoint58k_post
247    o testreport:
248     - always build in dir. "build" (if not there, mkdir build instead of building
249       & running in input)
250     - run in dir run (if it exists), in build otherwise.
251     - call prepare_run (if input/prepare_run exists)
252     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
253    o pkg/exf modifications to interpolation and rotation routines for more
254       reasonable treatment of North Pole singularity: for tracers North Pole
255       value is set to northernmost zonal-mean value, for zonal velocity it is
256       set to zero, and for meridional velocity it is set to northernmost value.
257    o pkg/exf/exf_check_range.F
258     - add tile index to diagnostics and move stop statement to the very
259       end of the routine.
260    o pkg/diagnostics: (diagnostics_main_init.F)
261      define title of isomorphic variables according to the current config.
262    o pkg/thsice with pkg/seaice dynamics:
263    - fix domain of computation (interior only, required for exf) and do exchanges
264    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
265    o towards a standard way of dealing with multi-threading in MONITOR
266      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
267    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
268       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
269    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
270    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
271    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
272       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
273    o tracer advection:
274     - clean-up and simplify calc_common_factors.F
275     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
276       advection subroutine (but still not used within DST advection S/R)
277    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
278    
279    checkpoint58j_post
280    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
281      from file (collects calls previously in FORWARD_STEP)
282    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
283    o adjoint store dir. adjusted accordingly
284    o genmake2
285      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
286    
287    checkpoint58i_post
288    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
289      on wind stress (SEAICEstressFactor defaults to 1.)
290    o Total number of Timers is finite (<=40): comment out 2 non-essential one
291      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
292    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
293      on CS-grid: no longer loosing mass.
294    o exf & curvilinear-grid: no longer modify longitude xC & xG.
295    o pkg/ggl90: fix sloppy output and fix a bug
296    o pkg/seaice: added SEAICEuseEVPpickup parameter
297      - Set to false in order to start EVP solver with
298        non-EVP pickup files when using SEAICEuseEVP
299      - fix sign error in diffusion in seaice_calc_rhs
300    
301    checkpoint58h_post
302    * Modifications for bottom topography control
303      o replace hFacC by _hFacC at various places
304      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
305      o add non-self-adjoint cg2d_nsa
306      o update autodiff support routines
307      o re-initialise hfac after ctrl_depth_ini
308      o works for 5x5 box, doesnt work for global_ocean.90x40x15
309    * Adding verification for 5x5 box (4-layer) bottom topography control
310    
311    checkpoint58g_post
312    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
313       used for mean seasonal cycle, mean diurnal cycle); add an example
314       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
315    o pkg/ggl90:
316      - add parameter (minimum surface kinetic energy)
317      - fix bug (avoiding division by zero)
318    o couple pkg/thsice to pkg/seaice:
319      - modify advection in seaice to accomodate new scalar fields to be advected
320      - only muliDimAdection scheme work with seaice/thsice
321      - mapping of thsice-variables to seaice-variables, back and forth
322      - does not break the verification experiments, but does not give the
323        desired results either
324    o pkg/seaice
325      - make (default) second order advection a bit less confusing?
326    
327    checkpoint58f_post
328    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
329      to pkg/seaice):
330      - new routines thsice_map_exf and thsice_get_exf provide the interface
331      - add an additional formal parameter to thsice_solve4temp
332    o pkg/exf:
333      - add new fields wspeed, snowprecip (to be able to couple to thsice)
334      - correct Stefan-Boltzmann constant
335      - new parameter for longwave surface emittance
336      - separate some stuff from exf_bulkformulae into new routines  
337        exf_radiation, exf_wind
338      - add new parameters and constants: longwave emissivity for ocean, ice
339        and snow, evaporation parameters over ice
340      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
341        either wind from stress or stress from wind
342    o pkg/thSIce:
343    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
344    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
345       and THSICE_CALC_THICKN
346    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
347    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
348      to make debugging easier.
349    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
350    o pkg/bulk_force:
351      - clean-up comments and parameters ;
352      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
353    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
354      generate new output for test-experiment: aim.5l_cs.thSI
355    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
356      testreport accordingly
357    
358    checkpoint58e_post
359    o SEAICE_CGRID adjoint done
360    o R_STAR adjoint implemented.
361      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
362      * need to sort out init. of h0facc, etc.
363    o Make pkg/profile fully independent of ecco,cost, etc. stuff
364      to be able to use it in pure forward.
365    
366    checkpoint58d_post
367    o upgrade simple test-experiment to tutorial example:
368     step.1: duplicate the experiment and (step.2) will remove the old copy.
369      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
370      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
371      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
372      tutorial_global_oce_biogeo    <- copy of dic_example
373      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
374      tutorial_plume_on_slope       <- copy of plume_on_slope
375      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
376      tutorial_global_oce_optim     <- empty for now (David ?)
377      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
378     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
379  o correct a sign problem in cost_scat.F  o correct a sign problem in cost_scat.F
380  o obcs and ptracers: fix boundary conditions for advections schemes  o obcs and ptracers: fix boundary conditions for advections schemes
381    with larger stencil    with larger stencil

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