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revision 1.682 by jmc, Mon Jun 19 01:06:57 2006 UTC revision 1.774 by mlosch, Thu Mar 8 11:22:31 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 seaice: if ALLOW_ATM_WIND is undefined use wind stress
8      directly to drive seaice model (C-grid only)
9    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
10     - reintroduce computation of wind from stress,
11     - compute tau (in exf_bulkformulae.F) from windstress averaged to
12       mass points to avoid tau = 0
13    o rdmnc.m: make it work with "global" files created with gluemnc
14    o rdmnc.m : some improvements in dealing with singleton dimension
15      (tested on all testreport mnc output files).
16    o genmake2: disable pkg/profiles if netcdf test fails.
17    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
18    o move call to cal_readparms up to make calendar parameters/variable available
19      to all packages
20    
21    checkpoint58v_post
22    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
23      useDynP_inEos_Zc tested.
24    o pkg/exf: changes to properly interpolate/mask/scale initial fields
25    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
26      and portions thereof.  See read_cs.txt for description and examples.
27    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
28      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
29      following the great-circle arc between those 2 points.
30    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
31      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
32    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
33     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
34     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
35     - still needs work (not working with some options ; efficiency to improve)
36       and serious testing.
37     - use this scheme for temperature & salinity in 2 advection test exp.:
38       advect_xy & advect_xz, respectively.
39    
40    checkpoint58u_post
41    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
42    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
43    o testreport: add option "-skipdir" to skip some test.
44    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
45      momentum calculation.
46    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
47    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
48      remove checkpoint.F and the_correction_step.F (no longer used);
49      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
50    o add option (linFSConserveTr) to correct for tracer source/sink due to
51      Linear Free surface
52    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
53    o pkg/thsice: fix reading mnc-pickups
54    
55    checkpoint58t_post
56    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
57    o pkg/mdsio:
58     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
59       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
60       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
61     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
62     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
63       either MDS_READ_FIELD or MDS_WRITE_FIELD )
64     - new S/R (to replace MDSWRITEMETA), which allows to write more
65       informations (variable names, time ...) to meta files.
66     - modify rdmds.m to give back the meta file content.
67    o pkg/diagnostics: change vertical interpolation to be safer, and more
68       flexible (define p-levels to interpolate to in data.diagnostics);
69      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
70       diagnostic pointer.
71    o pkg/seaice: more cleaning up of seaice_growth, added many comments
72    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
73    o fix multi-category seaice:
74     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
75       SEAICE_MULTICATEGORY
76     - fix short wave heat flux
77    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
78       and allow to use EVP solver. Change forward lab_sea: test both EVP
79       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
80    o Initial check-in of lab_sea adjoint
81      (very similar to natl_box_adjoint/code_seaice)
82      * used C-grid and EVP solver
83      * used KPP, GM/Redi
84      * uses inAdExact=.TRUE.
85      * gradient checks fail for both ADM and TLM
86        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
87        f.d. gradients actually seem more problematic than ADM, TLM gradients;
88        issue is related to forward mismatch between g77 an ifort
89    o pkg/seaice: overhaul of thermodynamics
90     - growth.F and groatb.F are replaced by new routine seaice_growth.F
91     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
92     - move a few global fields out of SEAICE.h into seaice_growth.F and
93       make them 2D (FICE/QNETO/ ...)
94     - remove FO (it is the same as QNETO)
95     - introduce a few local fields to avoid modifying external fields such
96       as atemp, etc.
97    
98    checkpoint58s_post
99    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
100      changed exf_set_gen.F so that
101        genperiod=0 means input file is one time-constant field and
102        genperiod=-12 means input file contains 12 monthly means
103    o CG2D: use pre-computed solver main-diagonal (stored in common block);
104      this affects truncation error ; generate new output file for exp. which
105      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
106        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
107        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
108        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
109        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
110        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
111    o start implementation of deep-atmosphere and anelastic formulation
112    o verification: remove 2nd copy of input files and use script "prepare_run"
113      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
114    o mom_common/vecinv/fluxform: fix a few initialisation isssues
115    o profiles: fix for multithreaded case
116    
117    o diagnostics: rename few diags:
118      s/'PRESSURE'/'RCENTER '/g
119      s/'TICE    '/'oceFreez'/g
120      s/'TAUX    '/'oceTAUX '/g
121      s/'TAUY    '/'oceTAUY '/g
122      s/'SWFLUX  '/'oceQsw  '/g
123      s/DIFx/DFxE/g
124      s/DIFy/DFyE/g
125      and add few ocean-forcing diagnostics:
126      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
127    o modifications to pkg/seaice/growth.F and budget.F, which change results of
128      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
129      as actual snow thickness.  It now refers everywhere to effective snow
130      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
131    
132    checkpoint58r_post
133    o modifications to pkg/seaice/growth.F, which change results of
134      lab_sea experiment: fixes pertain to melting snow over open water, to
135      masking EVAP under sea ice, and to using the correct AREA variable for
136      computations of EVAP, PRECIP, HSNOW, and GHEFF
137    o add ability to read bathy, salt, and theta using MNC (off by def)
138    o add flooding algorithm and advection of HSNOW for pkg/seaice;
139      both are turned off by default and do no change any results
140    o seaice advection with pkg/thsice: a step toward the use of non-linear
141      advection scheme, but #ifdef or commented out for now (requires more EXCH).
142    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
143      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
144      in natl_box (affects results @ truncation level: update output.txt)
145    o multi-threading and IO:
146      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
147      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
148        (needed to work with SingleCpuIO): tested in all verif. exp.
149    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
150      affects the results (but none of the verification test uses this scheme).
151    o Adding some pkg/diagnostics capability to pkg/seaice
152      (will certainly be subject to changes)
153    o ctrl: adding new control variables:
154      lwflux, lwdown, evap, snowprecip, apressure, runoff
155    
156    checkpoint58q_post
157    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
158      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
159      high_res_cube configuration by 4% on Columbia.
160    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
161      add (in global_with_exf/code) a version of EXF_INTERP_READ without
162      dynamical allocation (seems to work in multi-threaded).
163    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
164      single CPU io) so that TAF does not have to see EESUPPORT.h
165    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
166    
167    checkpoint58p_post
168    o obcs: stop if obcs is used with useCDscheme = .true.
169    o shelfice:
170     - fix a sign error so that no slip at shelfice interface works
171     - remove stop for combination non-hydrostatic code and shelfice. That does
172       not mean, that the results are correct, but at least they are numerically
173       stable
174    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
175    o added adjoint exch routined for all exch*3d* routines
176      and updated flow directives
177    
178    checkpoint58o_post
179    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
180      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
181    o change controling S/R for writing pickup file (new S/R do_write_pickup)
182      and clean-up reading/writing of pickup files.
183    o fix local version of read/write pickup (NH part) in rotating_tank/code
184    o simplify EXCH interface:
185     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
186     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
187    o added the regrid package
188    o shelfice:
189     - add a simple boundary layer scheme to reduce noise
190     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
191    
192    checkpoint58n_post
193    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
194       local variable (not in common block).
195    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
196      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
197      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
198        to work with SingleCpuIO.
199    o add "_d 0" to real constant of pkg/cfc subroutines ;
200       update exp. cfc_exemple & tutorial_cfc_offline output files.
201    o multi-threading and IO:
202      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
203        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
204      - barrier before and after reading.
205      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
206      - avoid using MDS_WRITELOCAL for LAND pkg output.
207      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
208        common-block variables ; Allows multi-threading with master-thread IO.
209    o change default MAX_NO_THREADS from 32 to 4 ;
210      and stop cleanly when MAX_NO_THREADS is too small.
211    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
212    
213    checkpoint58m_post
214    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
215       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
216    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
217       keep global_ocean.90x40x15 (for AD testing) with former secondary test
218       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
219    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
220        add MITgcm_tutorials (= code + all the tutorials)
221    o ecco, option to compute cost for total ssh (mean+anom)
222    o consistent with addition of ptracer and ssh in pkg/profiles
223    o profiles: adding ptracer and ssh
224    o testreport: change multi-test output-file name
225      (from output.txt.{name} to output.{name}.txt)
226    o profiles: now ok for mutli-tiles case
227    o seaice: add 4 parameters for different advection schemes for area,
228      (effective) seaice thickness, enthalphy, and snow height. Their default
229      is the standard parameter SEAICEadvScheme
230    o calc_gw:
231     - add cosFacU in zonal viscous flux (harmonic.visc.).
232     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
233       of tutorial_plume_on_slope.
234    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
235    o calc_gw: true flux-form, account for horizontal grid spacing.
236      update rotating_tank results, but not plume_on_slope (affected at
237      truncation level, 11 digits).
238    
239    checkpoint58l_post
240    o calc_gw:
241     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
242     - remove side-drag for now (need to fix it); update plume_on_slope results.
243     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
244    o commit code to make SST/SSS weights spatially variable
245      (based on either variable in-situ or variable initial T/S weights)
246    o pkg/ecco:
247      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
248        now based on horizontally varying weights wthetaLev, wsaltLev
249      * cost_averagesflags now returns year indices in addition to day, month
250      * sflux balance is performed on annual basis
251        (sflxumm, sfluxmm2, bal_sfluxmm)
252      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
253        including separate counting and multipliers
254    o pkg/rbcs
255      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
256    
257    checkpoint58k_post
258    o testreport:
259     - always build in dir. "build" (if not there, mkdir build instead of building
260       & running in input)
261     - run in dir run (if it exists), in build otherwise.
262     - call prepare_run (if input/prepare_run exists)
263     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
264    o pkg/exf modifications to interpolation and rotation routines for more
265       reasonable treatment of North Pole singularity: for tracers North Pole
266       value is set to northernmost zonal-mean value, for zonal velocity it is
267       set to zero, and for meridional velocity it is set to northernmost value.
268    o pkg/exf/exf_check_range.F
269     - add tile index to diagnostics and move stop statement to the very
270       end of the routine.
271    o pkg/diagnostics: (diagnostics_main_init.F)
272      define title of isomorphic variables according to the current config.
273    o pkg/thsice with pkg/seaice dynamics:
274    - fix domain of computation (interior only, required for exf) and do exchanges
275    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
276    o towards a standard way of dealing with multi-threading in MONITOR
277      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
278    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
279       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
280    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
281    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
282    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
283       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
284  o tracer advection:  o tracer advection:
285   - clean-up and simplify calc_common_factors.F   - clean-up and simplify calc_common_factors.F
286   - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer   - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer

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