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revision 1.615 by jmc, Thu Mar 2 02:03:39 2006 UTC revision 1.748 by gforget, Thu Nov 23 00:06:21 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o profiles: fix for multithreaded case
8    
9    o diagnostics: rename few diags:
10      s/'PRESSURE'/'RCENTER '/g
11      s/'TICE    '/'oceFreez'/g
12      s/'TAUX    '/'oceTAUX '/g
13      s/'TAUY    '/'oceTAUY '/g
14      s/'SWFLUX  '/'oceQsw  '/g
15      s/DIFx/DFxE/g
16      s/DIFy/DFyE/g
17      and add few ocean-forcing diagnostics:
18      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
19    o modifications to pkg/seaice/growth.F and budget.F, which change results of
20      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
21      as actual snow thickness.  It now refers everywhere to effective snow
22      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
23    
24    checkpoint58r_post
25    o modifications to pkg/seaice/growth.F, which change results of
26      lab_sea experiment: fixes pertain to melting snow over open water, to
27      masking EVAP under sea ice, and to using the correct AREA variable for
28      computations of EVAP, PRECIP, HSNOW, and GHEFF
29    o add ability to read bathy, salt, and theta using MNC (off by def)
30    o add flooding algorithm and advection of HSNOW for pkg/seaice;
31      both are turned off by default and do no change any results
32    o seaice advection with pkg/thsice: a step toward the use of non-linear
33      advection scheme, but #ifdef or commented out for now (requires more EXCH).
34    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
35      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
36      in natl_box (affects results @ truncation level: update output.txt)
37    o multi-threading and IO:
38      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
39      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
40        (needed to work with SingleCpuIO): tested in all verif. exp.
41    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
42      affects the results (but none of the verification test uses this scheme).
43    o Adding some pkg/diagnostics capability to pkg/seaice
44      (will certainly be subject to changes)
45    o ctrl: adding new control variables:
46      lwflux, lwdown, evap, snowprecip, apressure, runoff
47    
48    checkpoint58q_post
49    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
50      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
51      high_res_cube configuration by 4% on Columbia.
52    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
53      add (in global_with_exf/code) a version of EXF_INTERP_READ without
54      dynamical allocation (seems to work in multi-threaded).
55    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
56      single CPU io) so that TAF does not have to see EESUPPORT.h
57    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
58    
59    checkpoint58p_post
60    o obcs: stop if obcs is used with useCDscheme = .true.
61    o shelfice:
62     - fix a sign error so that no slip at shelfice interface works
63     - remove stop for combination non-hydrostatic code and shelfice. That does
64       not mean, that the results are correct, but at least they are numerically
65       stable
66    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
67    o added adjoint exch routined for all exch*3d* routines
68      and updated flow directives
69    
70    checkpoint58o_post
71    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
72      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
73    o change controling S/R for writing pickup file (new S/R do_write_pickup)
74      and clean-up reading/writing of pickup files.
75    o fix local version of read/write pickup (NH part) in rotating_tank/code
76    o simplify EXCH interface:
77     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
78     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
79    o added the regrid package
80    o shelfice:
81     - add a simple boundary layer scheme to reduce noise
82     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
83    
84    checkpoint58n_post
85    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
86       local variable (not in common block).
87    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
88      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
89      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
90        to work with SingleCpuIO.
91    o add "_d 0" to real constant of pkg/cfc subroutines ;
92       update exp. cfc_exemple & tutorial_cfc_offline output files.
93    o multi-threading and IO:
94      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
95        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
96      - barrier before and after reading.
97      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
98      - avoid using MDS_WRITELOCAL for LAND pkg output.
99      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
100        common-block variables ; Allows multi-threading with master-thread IO.
101    o change default MAX_NO_THREADS from 32 to 4 ;
102      and stop cleanly when MAX_NO_THREADS is too small.
103    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
104    
105    checkpoint58m_post
106    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
107       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
108    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
109       keep global_ocean.90x40x15 (for AD testing) with former secondary test
110       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
111    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
112        add MITgcm_tutorials (= code + all the tutorials)
113    o ecco, option to compute cost for total ssh (mean+anom)
114    o consistent with addition of ptracer and ssh in pkg/profiles
115    o profiles: adding ptracer and ssh
116    o testreport: change multi-test output-file name
117      (from output.txt.{name} to output.{name}.txt)
118    o profiles: now ok for mutli-tiles case
119    o seaice: add 4 parameters for different advection schemes for area,
120      (effective) seaice thickness, enthalphy, and snow height. Their default
121      is the standard parameter SEAICEadvScheme
122    o calc_gw:
123     - add cosFacU in zonal viscous flux (harmonic.visc.).
124     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
125       of tutorial_plume_on_slope.
126    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
127    o calc_gw: true flux-form, account for horizontal grid spacing.
128      update rotating_tank results, but not plume_on_slope (affected at
129      truncation level, 11 digits).
130    
131    checkpoint58l_post
132    o calc_gw:
133     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
134     - remove side-drag for now (need to fix it); update plume_on_slope results.
135     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
136    o commit code to make SST/SSS weights spatially variable
137      (based on either variable in-situ or variable initial T/S weights)
138    o pkg/ecco:
139      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
140        now based on horizontally varying weights wthetaLev, wsaltLev
141      * cost_averagesflags now returns year indices in addition to day, month
142      * sflux balance is performed on annual basis
143        (sflxumm, sfluxmm2, bal_sfluxmm)
144      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
145        including separate counting and multipliers
146    o pkg/rbcs
147      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
148    
149    checkpoint58k_post
150    o testreport:
151     - always build in dir. "build" (if not there, mkdir build instead of building
152       & running in input)
153     - run in dir run (if it exists), in build otherwise.
154     - call prepare_run (if input/prepare_run exists)
155     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
156    o pkg/exf modifications to interpolation and rotation routines for more
157       reasonable treatment of North Pole singularity: for tracers North Pole
158       value is set to northernmost zonal-mean value, for zonal velocity it is
159       set to zero, and for meridional velocity it is set to northernmost value.
160    o pkg/exf/exf_check_range.F
161     - add tile index to diagnostics and move stop statement to the very
162       end of the routine.
163    o pkg/diagnostics: (diagnostics_main_init.F)
164      define title of isomorphic variables according to the current config.
165    o pkg/thsice with pkg/seaice dynamics:
166    - fix domain of computation (interior only, required for exf) and do exchanges
167    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
168    o towards a standard way of dealing with multi-threading in MONITOR
169      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
170    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
171       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
172    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
173    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
174    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
175       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
176    o tracer advection:
177     - clean-up and simplify calc_common_factors.F
178     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
179       advection subroutine (but still not used within DST advection S/R)
180    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
181    
182    checkpoint58j_post
183    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
184      from file (collects calls previously in FORWARD_STEP)
185    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
186    o adjoint store dir. adjusted accordingly
187    o genmake2
188      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
189    
190    checkpoint58i_post
191    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
192      on wind stress (SEAICEstressFactor defaults to 1.)
193    o Total number of Timers is finite (<=40): comment out 2 non-essential one
194      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
195    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
196      on CS-grid: no longer loosing mass.
197    o exf & curvilinear-grid: no longer modify longitude xC & xG.
198    o pkg/ggl90: fix sloppy output and fix a bug
199    o pkg/seaice: added SEAICEuseEVPpickup parameter
200      - Set to false in order to start EVP solver with
201        non-EVP pickup files when using SEAICEuseEVP
202      - fix sign error in diffusion in seaice_calc_rhs
203    
204    checkpoint58h_post
205    * Modifications for bottom topography control
206      o replace hFacC by _hFacC at various places
207      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
208      o add non-self-adjoint cg2d_nsa
209      o update autodiff support routines
210      o re-initialise hfac after ctrl_depth_ini
211      o works for 5x5 box, doesnt work for global_ocean.90x40x15
212    * Adding verification for 5x5 box (4-layer) bottom topography control
213    
214    checkpoint58g_post
215    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
216       used for mean seasonal cycle, mean diurnal cycle); add an example
217       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
218    o pkg/ggl90:
219      - add parameter (minimum surface kinetic energy)
220      - fix bug (avoiding division by zero)
221    o couple pkg/thsice to pkg/seaice:
222      - modify advection in seaice to accomodate new scalar fields to be advected
223      - only muliDimAdection scheme work with seaice/thsice
224      - mapping of thsice-variables to seaice-variables, back and forth
225      - does not break the verification experiments, but does not give the
226        desired results either
227    o pkg/seaice
228      - make (default) second order advection a bit less confusing?
229    
230    checkpoint58f_post
231    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
232      to pkg/seaice):
233      - new routines thsice_map_exf and thsice_get_exf provide the interface
234      - add an additional formal parameter to thsice_solve4temp
235    o pkg/exf:
236      - add new fields wspeed, snowprecip (to be able to couple to thsice)
237      - correct Stefan-Boltzmann constant
238      - new parameter for longwave surface emittance
239      - separate some stuff from exf_bulkformulae into new routines  
240        exf_radiation, exf_wind
241      - add new parameters and constants: longwave emissivity for ocean, ice
242        and snow, evaporation parameters over ice
243      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
244        either wind from stress or stress from wind
245    o pkg/thSIce:
246    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
247    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
248       and THSICE_CALC_THICKN
249    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
250    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
251      to make debugging easier.
252    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
253    o pkg/bulk_force:
254      - clean-up comments and parameters ;
255      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
256    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
257      generate new output for test-experiment: aim.5l_cs.thSI
258    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
259      testreport accordingly
260    
261    checkpoint58e_post
262    o SEAICE_CGRID adjoint done
263    o R_STAR adjoint implemented.
264      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
265      * need to sort out init. of h0facc, etc.
266    o Make pkg/profile fully independent of ecco,cost, etc. stuff
267      to be able to use it in pure forward.
268    
269    checkpoint58d_post
270    o upgrade simple test-experiment to tutorial example:
271     step.1: duplicate the experiment and (step.2) will remove the old copy.
272      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
273      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
274      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
275      tutorial_global_oce_biogeo    <- copy of dic_example
276      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
277      tutorial_plume_on_slope       <- copy of plume_on_slope
278      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
279      tutorial_global_oce_optim     <- empty for now (David ?)
280      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
281     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
282    o correct a sign problem in cost_scat.F
283    o obcs and ptracers: fix boundary conditions for advections schemes
284      with larger stencil
285    o thsice adjoint: start
286    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
287      completeness
288    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
289      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
290    o ptracers adjoint:
291      * avoid extensive recomputatations
292      * fix missing re-init. of gptr (missed by TAF)
293    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
294      me to turn off the excessive output to STDOUT that this package produces
295    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
296      and add those terms in Vector-Invariant formulation.
297    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
298      if the control period (xx_hfluxperiod etc) is 0
299    o in profiles pkg, clean routines and fix details
300    o in ecco pkg, reading ssh data:
301      fix problem in case the model does not start at iter0=0
302    o fix mnc-pickup/restart for ptracers
303    o new package prifiles:
304      code to compute profile-based cost by Gael Forget
305      (modifs in ecco, ctrl, autodiff)
306    o Benign bug fix in initialization (spotted by M. Mazloff) of
307      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
308    
309    checkpoint58c_post
310    o adjoint: finish NLFS adjoint and provide reference output in
311      verification/global_ocean.90x40x15/results_ad_nlfs
312    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
313      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
314      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
315      with SEAICE_CGRID defined.
316    o move calendarDumps from "data" to "data.cal" and clean-up the code
317      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
318    o add useEXF & useCAL flags (for now, set in hard-coded way)
319    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
320      (were missing in NH mode, and wrong in quasihydrostatic mode).
321      waiting for Chris updated version of calc_gw to add those CALLs.
322    o fix bug in quasihydrostatic S/R ;
323      add a test for this option: global_ocean.90x40x15.qshyd
324    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
325      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
326    o add on/off flag useOffLine for package OFFLINE
327    o seaice:
328      - modify advection so that it works also on the C-grid
329      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
330        problem in multi-tile runs with C-grid
331      - add flags for clipping ice velocities and/or masking solver forcing
332      - fix drag (ocean on ice) formulation and a bug that caused noise in the
333        C-grid solver
334      - added a few comments to seaice_diffusion.F
335      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
336        are now exclusive)
337      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
338        required re-ordering the code a little:
339       + make DAIRN global variable (defined in SEAICE)
340       + move computation of the viscosities eta and zeta into a new separate
341         routine (because I need to recompute them in seaice_ocean_stress.F)
342    
343    checkpoint58b_post
344    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
345      update output.txt of exp. aim.5l_cs.thSI
346    o various mnc cleanups and improvements:
347      + shrink lookup tables by factor of ~4
348      + better error reporting when running out of lookup space
349      + able to handle longer path/file names (up to 500 chars)
350    o adjoint:
351      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
352      - TBD: "hidden" mom_vecinv recomp. in dynamics
353    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
354     (allow to differentiate between forcing components using new integer flags:
355      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
356     and add new flag to put Dissipation tendency out of Adams-Bashforth.
357    o ecco
358      - enable trend removal from SSH anomaly obs.
359    o adjoint
360      - a fix for PmEpR when #undef EXACT_CONSERV
361      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
362      - try to fix "hidden" recomp. in forward_step for NLFS
363        (NLFS seems broken sometimes after I checked it in)
364    o seaice:
365     - add c-grid version of the dynamic solver:
366       + three new routines that are the c-grid substitute lsr, dynsolver
367         and ostres
368       + put a few fields that were local to dynsolver into global common
369         blocks, so that I can move the computation of stresses etc into
370         seaice_lsr (saves coding but may break the adjoint).
371     - replace more hardwired parameters by runtime parameters
372     - add ice masks that mask the rhs of the implicit solvers where there
373       is no ice (commented out in seaice_dynsolver, because i am not sure
374       if this works properly), eventually this should replace the clipping
375       of ice velocities in seaice_dynsolver to +/-40cm/s.
376    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
377      include it only where its needed
378    o move balancing of fluxes before the call of external_forcing_surf
379    o seaice:
380      - correct units of turning angles (now they are really in degrees)
381      - move computation of GWATX/Y out of main routine into dynsolver
382      - initialize GWATX/Y in seaice_init
383    o Apply mask on Fresh-Water flux (needed for SSH forcing).
384      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
385    o seaice: add runtime flags for turning angles (default to zero)
386    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
387      and trend from exf forcing and ctrl control adjustments
388    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
389      (since checkpoint57x_post)
390  o change the default rotation period to 86164.s = the Earth rotation  o change the default rotation period to 86164.s = the Earth rotation
391  o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)  o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
392    and based on a reference stratification. Tested within hs94.cs-32x32x5.    and based on a reference stratification. Tested within hs94.cs-32x32x5.

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