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revision 1.618 by jmc, Thu Mar 2 22:52:09 2006 UTC revision 1.714 by jmc, Mon Aug 14 01:11:08 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint58n_post
8    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
9       local variable (not in common block).
10    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
11      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
12      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
13        to work with SingleCpuIO.
14    o add "_d 0" to real constant of pkg/cfc subroutines ;
15       update exp. cfc_exemple & tutorial_cfc_offline output files.
16    o multi-threading and IO:
17      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
18        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
19      - barrier before and after reading.
20      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
21      - avoid using MDS_WRITELOCAL for LAND pkg output.
22      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
23        common-block variables ; Allows multi-threading with master-thread IO.
24    o change default MAX_NO_THREADS from 32 to 4 ;
25      and stop cleanly when MAX_NO_THREADS is too small.
26    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
27    
28    checkpoint58m_post
29    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
30       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
31    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
32       keep global_ocean.90x40x15 (for AD testing) with former secondary test
33       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
34    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
35        add MITgcm_tutorials (= code + all the tutorials)
36    o ecco, option to compute cost for total ssh (mean+anom)
37    o consistent with addition of ptracer and ssh in pkg/profiles
38    o profiles: adding ptracer and ssh
39    o testreport: change multi-test output-file name
40      (from output.txt.{name} to output.{name}.txt)
41    o profiles: now ok for mutli-tiles case
42    o seaice: add 4 parameters for different advection schemes for area,
43      (effective) seaice thickness, enthalphy, and snow height. Their default
44      is the standard parameter SEAICEadvScheme
45    o calc_gw:
46     - add cosFacU in zonal viscous flux (harmonic.visc.).
47     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
48       of tutorial_plume_on_slope.
49    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
50    o calc_gw: true flux-form, account for horizontal grid spacing.
51      update rotating_tank results, but not plume_on_slope (affected at
52      truncation level, 11 digits).
53    
54    checkpoint58l_post
55    o calc_gw:
56     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
57     - remove side-drag for now (need to fix it); update plume_on_slope results.
58     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
59    o commit code to make SST/SSS weights spatially variable
60      (based on either variable in-situ or variable initial T/S weights)
61    o pkg/ecco:
62      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
63        now based on horizontally varying weights wthetaLev, wsaltLev
64      * cost_averagesflags now returns year indices in addition to day, month
65      * sflux balance is performed on annual basis
66        (sflxumm, sfluxmm2, bal_sfluxmm)
67      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
68        including separate counting and multipliers
69    o pkg/rbcs
70      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
71    
72    checkpoint58k_post
73    o testreport:
74     - always build in dir. "build" (if not there, mkdir build instead of building
75       & running in input)
76     - run in dir run (if it exists), in build otherwise.
77     - call prepare_run (if input/prepare_run exists)
78     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
79    o pkg/exf modifications to interpolation and rotation routines for more
80       reasonable treatment of North Pole singularity: for tracers North Pole
81       value is set to northernmost zonal-mean value, for zonal velocity it is
82       set to zero, and for meridional velocity it is set to northernmost value.
83    o pkg/exf/exf_check_range.F
84     - add tile index to diagnostics and move stop statement to the very
85       end of the routine.
86    o pkg/diagnostics: (diagnostics_main_init.F)
87      define title of isomorphic variables according to the current config.
88    o pkg/thsice with pkg/seaice dynamics:
89    - fix domain of computation (interior only, required for exf) and do exchanges
90    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
91    o towards a standard way of dealing with multi-threading in MONITOR
92      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
93    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
94       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
95    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
96    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
97    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
98       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
99    o tracer advection:
100     - clean-up and simplify calc_common_factors.F
101     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
102       advection subroutine (but still not used within DST advection S/R)
103    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
104    
105    checkpoint58j_post
106    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
107      from file (collects calls previously in FORWARD_STEP)
108    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
109    o adjoint store dir. adjusted accordingly
110    o genmake2
111      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
112    
113    checkpoint58i_post
114    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
115      on wind stress (SEAICEstressFactor defaults to 1.)
116    o Total number of Timers is finite (<=40): comment out 2 non-essential one
117      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
118    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
119      on CS-grid: no longer loosing mass.
120    o exf & curvilinear-grid: no longer modify longitude xC & xG.
121    o pkg/ggl90: fix sloppy output and fix a bug
122    o pkg/seaice: added SEAICEuseEVPpickup parameter
123      - Set to false in order to start EVP solver with
124        non-EVP pickup files when using SEAICEuseEVP
125      - fix sign error in diffusion in seaice_calc_rhs
126    
127    checkpoint58h_post
128    * Modifications for bottom topography control
129      o replace hFacC by _hFacC at various places
130      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
131      o add non-self-adjoint cg2d_nsa
132      o update autodiff support routines
133      o re-initialise hfac after ctrl_depth_ini
134      o works for 5x5 box, doesnt work for global_ocean.90x40x15
135    * Adding verification for 5x5 box (4-layer) bottom topography control
136    
137    checkpoint58g_post
138    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
139       used for mean seasonal cycle, mean diurnal cycle); add an example
140       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
141    o pkg/ggl90:
142      - add parameter (minimum surface kinetic energy)
143      - fix bug (avoiding division by zero)
144    o couple pkg/thsice to pkg/seaice:
145      - modify advection in seaice to accomodate new scalar fields to be advected
146      - only muliDimAdection scheme work with seaice/thsice
147      - mapping of thsice-variables to seaice-variables, back and forth
148      - does not break the verification experiments, but does not give the
149        desired results either
150    o pkg/seaice
151      - make (default) second order advection a bit less confusing?
152    
153    checkpoint58f_post
154    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
155      to pkg/seaice):
156      - new routines thsice_map_exf and thsice_get_exf provide the interface
157      - add an additional formal parameter to thsice_solve4temp
158    o pkg/exf:
159      - add new fields wspeed, snowprecip (to be able to couple to thsice)
160      - correct Stefan-Boltzmann constant
161      - new parameter for longwave surface emittance
162      - separate some stuff from exf_bulkformulae into new routines  
163        exf_radiation, exf_wind
164      - add new parameters and constants: longwave emissivity for ocean, ice
165        and snow, evaporation parameters over ice
166      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
167        either wind from stress or stress from wind
168    o pkg/thSIce:
169    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
170    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
171       and THSICE_CALC_THICKN
172    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
173    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
174      to make debugging easier.
175    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
176    o pkg/bulk_force:
177      - clean-up comments and parameters ;
178      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
179    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
180      generate new output for test-experiment: aim.5l_cs.thSI
181    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
182      testreport accordingly
183    
184    checkpoint58e_post
185    o SEAICE_CGRID adjoint done
186    o R_STAR adjoint implemented.
187      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
188      * need to sort out init. of h0facc, etc.
189    o Make pkg/profile fully independent of ecco,cost, etc. stuff
190      to be able to use it in pure forward.
191    
192    checkpoint58d_post
193    o upgrade simple test-experiment to tutorial example:
194     step.1: duplicate the experiment and (step.2) will remove the old copy.
195      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
196      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
197      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
198      tutorial_global_oce_biogeo    <- copy of dic_example
199      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
200      tutorial_plume_on_slope       <- copy of plume_on_slope
201      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
202      tutorial_global_oce_optim     <- empty for now (David ?)
203      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
204     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
205    o correct a sign problem in cost_scat.F
206    o obcs and ptracers: fix boundary conditions for advections schemes
207      with larger stencil
208    o thsice adjoint: start
209    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
210      completeness
211    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
212      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
213    o ptracers adjoint:
214      * avoid extensive recomputatations
215      * fix missing re-init. of gptr (missed by TAF)
216    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
217      me to turn off the excessive output to STDOUT that this package produces
218    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
219      and add those terms in Vector-Invariant formulation.
220    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
221      if the control period (xx_hfluxperiod etc) is 0
222    o in profiles pkg, clean routines and fix details
223    o in ecco pkg, reading ssh data:
224      fix problem in case the model does not start at iter0=0
225    o fix mnc-pickup/restart for ptracers
226    o new package prifiles:
227      code to compute profile-based cost by Gael Forget
228      (modifs in ecco, ctrl, autodiff)
229    o Benign bug fix in initialization (spotted by M. Mazloff) of
230      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
231    
232    checkpoint58c_post
233    o adjoint: finish NLFS adjoint and provide reference output in
234      verification/global_ocean.90x40x15/results_ad_nlfs
235    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
236      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
237      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
238      with SEAICE_CGRID defined.
239    o move calendarDumps from "data" to "data.cal" and clean-up the code
240      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
241    o add useEXF & useCAL flags (for now, set in hard-coded way)
242    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
243      (were missing in NH mode, and wrong in quasihydrostatic mode).
244      waiting for Chris updated version of calc_gw to add those CALLs.
245    o fix bug in quasihydrostatic S/R ;
246      add a test for this option: global_ocean.90x40x15.qshyd
247    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
248      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
249    o add on/off flag useOffLine for package OFFLINE
250    o seaice:
251      - modify advection so that it works also on the C-grid
252      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
253        problem in multi-tile runs with C-grid
254      - add flags for clipping ice velocities and/or masking solver forcing
255      - fix drag (ocean on ice) formulation and a bug that caused noise in the
256        C-grid solver
257      - added a few comments to seaice_diffusion.F
258      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
259        are now exclusive)
260      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
261        required re-ordering the code a little:
262       + make DAIRN global variable (defined in SEAICE)
263       + move computation of the viscosities eta and zeta into a new separate
264         routine (because I need to recompute them in seaice_ocean_stress.F)
265    
266    checkpoint58b_post
267    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
268      update output.txt of exp. aim.5l_cs.thSI
269    o various mnc cleanups and improvements:
270      + shrink lookup tables by factor of ~4
271      + better error reporting when running out of lookup space
272      + able to handle longer path/file names (up to 500 chars)
273    o adjoint:
274      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
275      - TBD: "hidden" mom_vecinv recomp. in dynamics
276    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
277     (allow to differentiate between forcing components using new integer flags:
278      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
279     and add new flag to put Dissipation tendency out of Adams-Bashforth.
280    o ecco
281      - enable trend removal from SSH anomaly obs.
282    o adjoint
283      - a fix for PmEpR when #undef EXACT_CONSERV
284      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
285      - try to fix "hidden" recomp. in forward_step for NLFS
286        (NLFS seems broken sometimes after I checked it in)
287    o seaice:
288     - add c-grid version of the dynamic solver:
289       + three new routines that are the c-grid substitute lsr, dynsolver
290         and ostres
291       + put a few fields that were local to dynsolver into global common
292         blocks, so that I can move the computation of stresses etc into
293         seaice_lsr (saves coding but may break the adjoint).
294     - replace more hardwired parameters by runtime parameters
295     - add ice masks that mask the rhs of the implicit solvers where there
296       is no ice (commented out in seaice_dynsolver, because i am not sure
297       if this works properly), eventually this should replace the clipping
298       of ice velocities in seaice_dynsolver to +/-40cm/s.
299    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
300      include it only where its needed
301    o move balancing of fluxes before the call of external_forcing_surf
302    o seaice:
303      - correct units of turning angles (now they are really in degrees)
304      - move computation of GWATX/Y out of main routine into dynsolver
305      - initialize GWATX/Y in seaice_init
306  o Apply mask on Fresh-Water flux (needed for SSH forcing).  o Apply mask on Fresh-Water flux (needed for SSH forcing).
307    update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)    update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
308  o seaice: add runtime flags for turning angles (default to zero)  o seaice: add runtime flags for turning angles (default to zero)
309  o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean  o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
310    and trend from exf forcing and ctrl control adjustments    and trend from exf forcing and ctrl control adjustments

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