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revision 1.628 by jmc, Mon Mar 13 04:44:25 2006 UTC revision 1.744 by dimitri, Mon Nov 6 20:37:25 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 modifications to pkg/seaice/growth.F, which change results of
7      lab_sea experiment: fixes pertain to melting snow over open water, to
8      masking EVAP under sea ice, and to using the correct AREA variable for
9      computations of EVAP, PRECIP, HSNOW, and GHEFF
10    o add ability to read bathy, salt, and theta using MNC (off by def)
11    o add flooding algorithm and advection of HSNOW for pkg/seaice;
12      both are turned off by default and do no change any results
13    o seaice advection with pkg/thsice: a step toward the use of non-linear
14      advection scheme, but #ifdef or commented out for now (requires more EXCH).
15    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
16      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
17      in natl_box (affects results @ truncation level: update output.txt)
18    o multi-threading and IO:
19      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
20      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
21        (needed to work with SingleCpuIO): tested in all verif. exp.
22    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
23      affects the results (but none of the verification test uses this scheme).
24    o Adding some pkg/diagnostics capability to pkg/seaice
25      (will certainly be subject to changes)
26    o ctrl: adding new control variables:
27      lwflux, lwdown, evap, snowprecip, apressure, runoff
28    
29    checkpoint58q_post
30    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
31      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
32      high_res_cube configuration by 4% on Columbia.
33    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
34      add (in global_with_exf/code) a version of EXF_INTERP_READ without
35      dynamical allocation (seems to work in multi-threaded).
36    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
37      single CPU io) so that TAF does not have to see EESUPPORT.h
38    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
39    
40    checkpoint58p_post
41    o obcs: stop if obcs is used with useCDscheme = .true.
42    o shelfice:
43     - fix a sign error so that no slip at shelfice interface works
44     - remove stop for combination non-hydrostatic code and shelfice. That does
45       not mean, that the results are correct, but at least they are numerically
46       stable
47    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
48    o added adjoint exch routined for all exch*3d* routines
49      and updated flow directives
50    
51    checkpoint58o_post
52    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
53      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
54    o change controling S/R for writing pickup file (new S/R do_write_pickup)
55      and clean-up reading/writing of pickup files.
56    o fix local version of read/write pickup (NH part) in rotating_tank/code
57    o simplify EXCH interface:
58     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
59     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
60    o added the regrid package
61    o shelfice:
62     - add a simple boundary layer scheme to reduce noise
63     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
64    
65    checkpoint58n_post
66    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
67       local variable (not in common block).
68    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
69      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
70      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
71        to work with SingleCpuIO.
72    o add "_d 0" to real constant of pkg/cfc subroutines ;
73       update exp. cfc_exemple & tutorial_cfc_offline output files.
74    o multi-threading and IO:
75      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
76        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
77      - barrier before and after reading.
78      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
79      - avoid using MDS_WRITELOCAL for LAND pkg output.
80      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
81        common-block variables ; Allows multi-threading with master-thread IO.
82    o change default MAX_NO_THREADS from 32 to 4 ;
83      and stop cleanly when MAX_NO_THREADS is too small.
84    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
85    
86    checkpoint58m_post
87    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
88       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
89    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
90       keep global_ocean.90x40x15 (for AD testing) with former secondary test
91       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
92    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
93        add MITgcm_tutorials (= code + all the tutorials)
94    o ecco, option to compute cost for total ssh (mean+anom)
95    o consistent with addition of ptracer and ssh in pkg/profiles
96    o profiles: adding ptracer and ssh
97    o testreport: change multi-test output-file name
98      (from output.txt.{name} to output.{name}.txt)
99    o profiles: now ok for mutli-tiles case
100    o seaice: add 4 parameters for different advection schemes for area,
101      (effective) seaice thickness, enthalphy, and snow height. Their default
102      is the standard parameter SEAICEadvScheme
103    o calc_gw:
104     - add cosFacU in zonal viscous flux (harmonic.visc.).
105     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
106       of tutorial_plume_on_slope.
107    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
108    o calc_gw: true flux-form, account for horizontal grid spacing.
109      update rotating_tank results, but not plume_on_slope (affected at
110      truncation level, 11 digits).
111    
112    checkpoint58l_post
113    o calc_gw:
114     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
115     - remove side-drag for now (need to fix it); update plume_on_slope results.
116     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
117    o commit code to make SST/SSS weights spatially variable
118      (based on either variable in-situ or variable initial T/S weights)
119    o pkg/ecco:
120      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
121        now based on horizontally varying weights wthetaLev, wsaltLev
122      * cost_averagesflags now returns year indices in addition to day, month
123      * sflux balance is performed on annual basis
124        (sflxumm, sfluxmm2, bal_sfluxmm)
125      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
126        including separate counting and multipliers
127    o pkg/rbcs
128      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
129    
130    checkpoint58k_post
131    o testreport:
132     - always build in dir. "build" (if not there, mkdir build instead of building
133       & running in input)
134     - run in dir run (if it exists), in build otherwise.
135     - call prepare_run (if input/prepare_run exists)
136     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
137    o pkg/exf modifications to interpolation and rotation routines for more
138       reasonable treatment of North Pole singularity: for tracers North Pole
139       value is set to northernmost zonal-mean value, for zonal velocity it is
140       set to zero, and for meridional velocity it is set to northernmost value.
141    o pkg/exf/exf_check_range.F
142     - add tile index to diagnostics and move stop statement to the very
143       end of the routine.
144    o pkg/diagnostics: (diagnostics_main_init.F)
145      define title of isomorphic variables according to the current config.
146    o pkg/thsice with pkg/seaice dynamics:
147    - fix domain of computation (interior only, required for exf) and do exchanges
148    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
149    o towards a standard way of dealing with multi-threading in MONITOR
150      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
151    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
152       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
153    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
154    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
155    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
156       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
157    o tracer advection:
158     - clean-up and simplify calc_common_factors.F
159     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
160       advection subroutine (but still not used within DST advection S/R)
161    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
162    
163    checkpoint58j_post
164    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
165      from file (collects calls previously in FORWARD_STEP)
166    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
167    o adjoint store dir. adjusted accordingly
168    o genmake2
169      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
170    
171    checkpoint58i_post
172    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
173      on wind stress (SEAICEstressFactor defaults to 1.)
174    o Total number of Timers is finite (<=40): comment out 2 non-essential one
175      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
176    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
177      on CS-grid: no longer loosing mass.
178    o exf & curvilinear-grid: no longer modify longitude xC & xG.
179    o pkg/ggl90: fix sloppy output and fix a bug
180    o pkg/seaice: added SEAICEuseEVPpickup parameter
181      - Set to false in order to start EVP solver with
182        non-EVP pickup files when using SEAICEuseEVP
183      - fix sign error in diffusion in seaice_calc_rhs
184    
185    checkpoint58h_post
186    * Modifications for bottom topography control
187      o replace hFacC by _hFacC at various places
188      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
189      o add non-self-adjoint cg2d_nsa
190      o update autodiff support routines
191      o re-initialise hfac after ctrl_depth_ini
192      o works for 5x5 box, doesnt work for global_ocean.90x40x15
193    * Adding verification for 5x5 box (4-layer) bottom topography control
194    
195    checkpoint58g_post
196    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
197       used for mean seasonal cycle, mean diurnal cycle); add an example
198       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
199    o pkg/ggl90:
200      - add parameter (minimum surface kinetic energy)
201      - fix bug (avoiding division by zero)
202    o couple pkg/thsice to pkg/seaice:
203      - modify advection in seaice to accomodate new scalar fields to be advected
204      - only muliDimAdection scheme work with seaice/thsice
205      - mapping of thsice-variables to seaice-variables, back and forth
206      - does not break the verification experiments, but does not give the
207        desired results either
208    o pkg/seaice
209      - make (default) second order advection a bit less confusing?
210    
211    checkpoint58f_post
212    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
213      to pkg/seaice):
214      - new routines thsice_map_exf and thsice_get_exf provide the interface
215      - add an additional formal parameter to thsice_solve4temp
216    o pkg/exf:
217      - add new fields wspeed, snowprecip (to be able to couple to thsice)
218      - correct Stefan-Boltzmann constant
219      - new parameter for longwave surface emittance
220      - separate some stuff from exf_bulkformulae into new routines  
221        exf_radiation, exf_wind
222      - add new parameters and constants: longwave emissivity for ocean, ice
223        and snow, evaporation parameters over ice
224      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
225        either wind from stress or stress from wind
226    o pkg/thSIce:
227    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
228    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
229       and THSICE_CALC_THICKN
230    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
231    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
232      to make debugging easier.
233    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
234    o pkg/bulk_force:
235      - clean-up comments and parameters ;
236      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
237    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
238      generate new output for test-experiment: aim.5l_cs.thSI
239    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
240      testreport accordingly
241    
242    checkpoint58e_post
243    o SEAICE_CGRID adjoint done
244    o R_STAR adjoint implemented.
245      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
246      * need to sort out init. of h0facc, etc.
247    o Make pkg/profile fully independent of ecco,cost, etc. stuff
248      to be able to use it in pure forward.
249    
250    checkpoint58d_post
251    o upgrade simple test-experiment to tutorial example:
252     step.1: duplicate the experiment and (step.2) will remove the old copy.
253      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
254      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
255      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
256      tutorial_global_oce_biogeo    <- copy of dic_example
257      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
258      tutorial_plume_on_slope       <- copy of plume_on_slope
259      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
260      tutorial_global_oce_optim     <- empty for now (David ?)
261      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
262     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
263    o correct a sign problem in cost_scat.F
264    o obcs and ptracers: fix boundary conditions for advections schemes
265      with larger stencil
266    o thsice adjoint: start
267    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
268      completeness
269    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
270      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
271    o ptracers adjoint:
272      * avoid extensive recomputatations
273      * fix missing re-init. of gptr (missed by TAF)
274    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
275      me to turn off the excessive output to STDOUT that this package produces
276    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
277      and add those terms in Vector-Invariant formulation.
278    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
279      if the control period (xx_hfluxperiod etc) is 0
280    o in profiles pkg, clean routines and fix details
281    o in ecco pkg, reading ssh data:
282      fix problem in case the model does not start at iter0=0
283    o fix mnc-pickup/restart for ptracers
284    o new package prifiles:
285      code to compute profile-based cost by Gael Forget
286      (modifs in ecco, ctrl, autodiff)
287    o Benign bug fix in initialization (spotted by M. Mazloff) of
288      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
289    
290    checkpoint58c_post
291    o adjoint: finish NLFS adjoint and provide reference output in
292      verification/global_ocean.90x40x15/results_ad_nlfs
293    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
294      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
295      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
296      with SEAICE_CGRID defined.
297    o move calendarDumps from "data" to "data.cal" and clean-up the code
298      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
299    o add useEXF & useCAL flags (for now, set in hard-coded way)
300    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
301      (were missing in NH mode, and wrong in quasihydrostatic mode).
302      waiting for Chris updated version of calc_gw to add those CALLs.
303    o fix bug in quasihydrostatic S/R ;
304      add a test for this option: global_ocean.90x40x15.qshyd
305    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
306      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
307    o add on/off flag useOffLine for package OFFLINE
308    o seaice:
309      - modify advection so that it works also on the C-grid
310      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
311        problem in multi-tile runs with C-grid
312      - add flags for clipping ice velocities and/or masking solver forcing
313      - fix drag (ocean on ice) formulation and a bug that caused noise in the
314        C-grid solver
315      - added a few comments to seaice_diffusion.F
316      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
317        are now exclusive)
318      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
319        required re-ordering the code a little:
320       + make DAIRN global variable (defined in SEAICE)
321       + move computation of the viscosities eta and zeta into a new separate
322         routine (because I need to recompute them in seaice_ocean_stress.F)
323    
324  checkpoint58b_post  checkpoint58b_post
325  o AIM+thSIce: fix sign of Short-Wave through the Ice ;  o AIM+thSIce: fix sign of Short-Wave through the Ice ;

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