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revision 1.638 by heimbach, Thu Mar 23 19:59:59 2006 UTC revision 1.743 by edhill, Sun Nov 5 18:36:05 2006 UTC
# Line 3  $Name$ Line 3  $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    o add ability to read bathy, salt, and theta using MNC (off by def)
7    o add flooding algorithm and advection of HSNOW for pkg/seaice;
8      both are turned off by default and do no change any results
9    o seaice advection with pkg/thsice: a step toward the use of non-linear
10      advection scheme, but #ifdef or commented out for now (requires more EXCH).
11    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
12      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
13      in natl_box (affects results @ truncation level: update output.txt)
14    o multi-threading and IO:
15      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
16      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
17        (needed to work with SingleCpuIO): tested in all verif. exp.
18    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
19      affects the results (but none of the verification test uses this scheme).
20    o Adding some pkg/diagnostics capability to pkg/seaice
21      (will certainly be subject to changes)
22    o ctrl: adding new control variables:
23      lwflux, lwdown, evap, snowprecip, apressure, runoff
24    
25    checkpoint58q_post
26    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
27      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
28      high_res_cube configuration by 4% on Columbia.
29    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
30      add (in global_with_exf/code) a version of EXF_INTERP_READ without
31      dynamical allocation (seems to work in multi-threaded).
32    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
33      single CPU io) so that TAF does not have to see EESUPPORT.h
34    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
35    
36    checkpoint58p_post
37    o obcs: stop if obcs is used with useCDscheme = .true.
38    o shelfice:
39     - fix a sign error so that no slip at shelfice interface works
40     - remove stop for combination non-hydrostatic code and shelfice. That does
41       not mean, that the results are correct, but at least they are numerically
42       stable
43    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
44    o added adjoint exch routined for all exch*3d* routines
45      and updated flow directives
46    
47    checkpoint58o_post
48    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
49      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
50    o change controling S/R for writing pickup file (new S/R do_write_pickup)
51      and clean-up reading/writing of pickup files.
52    o fix local version of read/write pickup (NH part) in rotating_tank/code
53    o simplify EXCH interface:
54     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
55     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
56    o added the regrid package
57    o shelfice:
58     - add a simple boundary layer scheme to reduce noise
59     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
60    
61    checkpoint58n_post
62    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
63       local variable (not in common block).
64    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
65      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
66      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
67        to work with SingleCpuIO.
68    o add "_d 0" to real constant of pkg/cfc subroutines ;
69       update exp. cfc_exemple & tutorial_cfc_offline output files.
70    o multi-threading and IO:
71      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
72        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
73      - barrier before and after reading.
74      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
75      - avoid using MDS_WRITELOCAL for LAND pkg output.
76      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
77        common-block variables ; Allows multi-threading with master-thread IO.
78    o change default MAX_NO_THREADS from 32 to 4 ;
79      and stop cleanly when MAX_NO_THREADS is too small.
80    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
81    
82    checkpoint58m_post
83    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
84       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
85    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
86       keep global_ocean.90x40x15 (for AD testing) with former secondary test
87       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
88    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
89        add MITgcm_tutorials (= code + all the tutorials)
90    o ecco, option to compute cost for total ssh (mean+anom)
91    o consistent with addition of ptracer and ssh in pkg/profiles
92    o profiles: adding ptracer and ssh
93    o testreport: change multi-test output-file name
94      (from output.txt.{name} to output.{name}.txt)
95    o profiles: now ok for mutli-tiles case
96    o seaice: add 4 parameters for different advection schemes for area,
97      (effective) seaice thickness, enthalphy, and snow height. Their default
98      is the standard parameter SEAICEadvScheme
99    o calc_gw:
100     - add cosFacU in zonal viscous flux (harmonic.visc.).
101     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
102       of tutorial_plume_on_slope.
103    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
104    o calc_gw: true flux-form, account for horizontal grid spacing.
105      update rotating_tank results, but not plume_on_slope (affected at
106      truncation level, 11 digits).
107    
108    checkpoint58l_post
109    o calc_gw:
110     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
111     - remove side-drag for now (need to fix it); update plume_on_slope results.
112     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
113    o commit code to make SST/SSS weights spatially variable
114      (based on either variable in-situ or variable initial T/S weights)
115    o pkg/ecco:
116      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
117        now based on horizontally varying weights wthetaLev, wsaltLev
118      * cost_averagesflags now returns year indices in addition to day, month
119      * sflux balance is performed on annual basis
120        (sflxumm, sfluxmm2, bal_sfluxmm)
121      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
122        including separate counting and multipliers
123    o pkg/rbcs
124      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
125    
126    checkpoint58k_post
127    o testreport:
128     - always build in dir. "build" (if not there, mkdir build instead of building
129       & running in input)
130     - run in dir run (if it exists), in build otherwise.
131     - call prepare_run (if input/prepare_run exists)
132     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
133    o pkg/exf modifications to interpolation and rotation routines for more
134       reasonable treatment of North Pole singularity: for tracers North Pole
135       value is set to northernmost zonal-mean value, for zonal velocity it is
136       set to zero, and for meridional velocity it is set to northernmost value.
137    o pkg/exf/exf_check_range.F
138     - add tile index to diagnostics and move stop statement to the very
139       end of the routine.
140    o pkg/diagnostics: (diagnostics_main_init.F)
141      define title of isomorphic variables according to the current config.
142    o pkg/thsice with pkg/seaice dynamics:
143    - fix domain of computation (interior only, required for exf) and do exchanges
144    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
145    o towards a standard way of dealing with multi-threading in MONITOR
146      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
147    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
148       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
149    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
150    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
151    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
152       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
153    o tracer advection:
154     - clean-up and simplify calc_common_factors.F
155     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
156       advection subroutine (but still not used within DST advection S/R)
157    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
158    
159    checkpoint58j_post
160    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
161      from file (collects calls previously in FORWARD_STEP)
162    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
163    o adjoint store dir. adjusted accordingly
164    o genmake2
165      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
166    
167    checkpoint58i_post
168    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
169      on wind stress (SEAICEstressFactor defaults to 1.)
170    o Total number of Timers is finite (<=40): comment out 2 non-essential one
171      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
172    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
173      on CS-grid: no longer loosing mass.
174    o exf & curvilinear-grid: no longer modify longitude xC & xG.
175    o pkg/ggl90: fix sloppy output and fix a bug
176    o pkg/seaice: added SEAICEuseEVPpickup parameter
177      - Set to false in order to start EVP solver with
178        non-EVP pickup files when using SEAICEuseEVP
179      - fix sign error in diffusion in seaice_calc_rhs
180    
181    checkpoint58h_post
182    * Modifications for bottom topography control
183      o replace hFacC by _hFacC at various places
184      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
185      o add non-self-adjoint cg2d_nsa
186      o update autodiff support routines
187      o re-initialise hfac after ctrl_depth_ini
188      o works for 5x5 box, doesnt work for global_ocean.90x40x15
189    * Adding verification for 5x5 box (4-layer) bottom topography control
190    
191    checkpoint58g_post
192    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
193       used for mean seasonal cycle, mean diurnal cycle); add an example
194       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
195    o pkg/ggl90:
196      - add parameter (minimum surface kinetic energy)
197      - fix bug (avoiding division by zero)
198    o couple pkg/thsice to pkg/seaice:
199      - modify advection in seaice to accomodate new scalar fields to be advected
200      - only muliDimAdection scheme work with seaice/thsice
201      - mapping of thsice-variables to seaice-variables, back and forth
202      - does not break the verification experiments, but does not give the
203        desired results either
204    o pkg/seaice
205      - make (default) second order advection a bit less confusing?
206    
207    checkpoint58f_post
208    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
209      to pkg/seaice):
210      - new routines thsice_map_exf and thsice_get_exf provide the interface
211      - add an additional formal parameter to thsice_solve4temp
212    o pkg/exf:
213      - add new fields wspeed, snowprecip (to be able to couple to thsice)
214      - correct Stefan-Boltzmann constant
215      - new parameter for longwave surface emittance
216      - separate some stuff from exf_bulkformulae into new routines  
217        exf_radiation, exf_wind
218      - add new parameters and constants: longwave emissivity for ocean, ice
219        and snow, evaporation parameters over ice
220      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
221        either wind from stress or stress from wind
222    o pkg/thSIce:
223    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
224    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
225       and THSICE_CALC_THICKN
226    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
227    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
228      to make debugging easier.
229    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
230    o pkg/bulk_force:
231      - clean-up comments and parameters ;
232      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
233    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
234      generate new output for test-experiment: aim.5l_cs.thSI
235    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
236      testreport accordingly
237    
238    checkpoint58e_post
239    o SEAICE_CGRID adjoint done
240    o R_STAR adjoint implemented.
241      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
242      * need to sort out init. of h0facc, etc.
243    o Make pkg/profile fully independent of ecco,cost, etc. stuff
244      to be able to use it in pure forward.
245    
246    checkpoint58d_post
247    o upgrade simple test-experiment to tutorial example:
248     step.1: duplicate the experiment and (step.2) will remove the old copy.
249      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
250      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
251      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
252      tutorial_global_oce_biogeo    <- copy of dic_example
253      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
254      tutorial_plume_on_slope       <- copy of plume_on_slope
255      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
256      tutorial_global_oce_optim     <- empty for now (David ?)
257      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
258     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
259    o correct a sign problem in cost_scat.F
260    o obcs and ptracers: fix boundary conditions for advections schemes
261      with larger stencil
262    o thsice adjoint: start
263    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
264      completeness
265    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
266      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
267    o ptracers adjoint:
268      * avoid extensive recomputatations
269      * fix missing re-init. of gptr (missed by TAF)
270    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
271      me to turn off the excessive output to STDOUT that this package produces
272    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
273      and add those terms in Vector-Invariant formulation.
274    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
275      if the control period (xx_hfluxperiod etc) is 0
276    o in profiles pkg, clean routines and fix details
277    o in ecco pkg, reading ssh data:
278      fix problem in case the model does not start at iter0=0
279    o fix mnc-pickup/restart for ptracers
280    o new package prifiles:
281      code to compute profile-based cost by Gael Forget
282      (modifs in ecco, ctrl, autodiff)
283    o Benign bug fix in initialization (spotted by M. Mazloff) of
284      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
285    
286  checkpoint58c_post  checkpoint58c_post
287  o adjoint: finish NLFS adjoint and provide reference output in  o adjoint: finish NLFS adjoint and provide reference output in

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