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revision 1.599 by jmc, Thu Jan 12 16:49:07 2006 UTC revision 1.728 by jmc, Fri Oct 6 19:39:03 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    
8    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
9    
10    checkpoint58p_post
11    o obcs: stop if obcs is used with useCDscheme = .true.
12    o shelfice:
13     - fix a sign error so that no slip at shelfice interface works
14     - remove stop for combination non-hydrostatic code and shelfice. That does
15       not mean, that the results are correct, but at least they are numerically
16       stable
17    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
18    o added adjoint exch routined for all exch*3d* routines
19      and updated flow directives
20    
21    checkpoint58o_post
22    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
23      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
24    o change controling S/R for writing pickup file (new S/R do_write_pickup)
25      and clean-up reading/writing of pickup files.
26    o fix local version of read/write pickup (NH part) in rotating_tank/code
27    o simplify EXCH interface:
28     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
29     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
30    o added the regrid package
31    o shelfice:
32     - add a simple boundary layer scheme to reduce noise
33     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
34    
35    checkpoint58n_post
36    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
37       local variable (not in common block).
38    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
39      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
40      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
41        to work with SingleCpuIO.
42    o add "_d 0" to real constant of pkg/cfc subroutines ;
43       update exp. cfc_exemple & tutorial_cfc_offline output files.
44    o multi-threading and IO:
45      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
46        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
47      - barrier before and after reading.
48      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
49      - avoid using MDS_WRITELOCAL for LAND pkg output.
50      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
51        common-block variables ; Allows multi-threading with master-thread IO.
52    o change default MAX_NO_THREADS from 32 to 4 ;
53      and stop cleanly when MAX_NO_THREADS is too small.
54    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
55    
56    checkpoint58m_post
57    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
58       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
59    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
60       keep global_ocean.90x40x15 (for AD testing) with former secondary test
61       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
62    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
63        add MITgcm_tutorials (= code + all the tutorials)
64    o ecco, option to compute cost for total ssh (mean+anom)
65    o consistent with addition of ptracer and ssh in pkg/profiles
66    o profiles: adding ptracer and ssh
67    o testreport: change multi-test output-file name
68      (from output.txt.{name} to output.{name}.txt)
69    o profiles: now ok for mutli-tiles case
70    o seaice: add 4 parameters for different advection schemes for area,
71      (effective) seaice thickness, enthalphy, and snow height. Their default
72      is the standard parameter SEAICEadvScheme
73    o calc_gw:
74     - add cosFacU in zonal viscous flux (harmonic.visc.).
75     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
76       of tutorial_plume_on_slope.
77    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
78    o calc_gw: true flux-form, account for horizontal grid spacing.
79      update rotating_tank results, but not plume_on_slope (affected at
80      truncation level, 11 digits).
81    
82    checkpoint58l_post
83    o calc_gw:
84     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
85     - remove side-drag for now (need to fix it); update plume_on_slope results.
86     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
87    o commit code to make SST/SSS weights spatially variable
88      (based on either variable in-situ or variable initial T/S weights)
89    o pkg/ecco:
90      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
91        now based on horizontally varying weights wthetaLev, wsaltLev
92      * cost_averagesflags now returns year indices in addition to day, month
93      * sflux balance is performed on annual basis
94        (sflxumm, sfluxmm2, bal_sfluxmm)
95      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
96        including separate counting and multipliers
97    o pkg/rbcs
98      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
99    
100    checkpoint58k_post
101    o testreport:
102     - always build in dir. "build" (if not there, mkdir build instead of building
103       & running in input)
104     - run in dir run (if it exists), in build otherwise.
105     - call prepare_run (if input/prepare_run exists)
106     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
107    o pkg/exf modifications to interpolation and rotation routines for more
108       reasonable treatment of North Pole singularity: for tracers North Pole
109       value is set to northernmost zonal-mean value, for zonal velocity it is
110       set to zero, and for meridional velocity it is set to northernmost value.
111    o pkg/exf/exf_check_range.F
112     - add tile index to diagnostics and move stop statement to the very
113       end of the routine.
114    o pkg/diagnostics: (diagnostics_main_init.F)
115      define title of isomorphic variables according to the current config.
116    o pkg/thsice with pkg/seaice dynamics:
117    - fix domain of computation (interior only, required for exf) and do exchanges
118    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
119    o towards a standard way of dealing with multi-threading in MONITOR
120      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
121    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
122       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
123    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
124    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
125    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
126       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
127    o tracer advection:
128     - clean-up and simplify calc_common_factors.F
129     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
130       advection subroutine (but still not used within DST advection S/R)
131    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
132    
133    checkpoint58j_post
134    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
135      from file (collects calls previously in FORWARD_STEP)
136    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
137    o adjoint store dir. adjusted accordingly
138    o genmake2
139      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
140    
141    checkpoint58i_post
142    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
143      on wind stress (SEAICEstressFactor defaults to 1.)
144    o Total number of Timers is finite (<=40): comment out 2 non-essential one
145      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
146    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
147      on CS-grid: no longer loosing mass.
148    o exf & curvilinear-grid: no longer modify longitude xC & xG.
149    o pkg/ggl90: fix sloppy output and fix a bug
150    o pkg/seaice: added SEAICEuseEVPpickup parameter
151      - Set to false in order to start EVP solver with
152        non-EVP pickup files when using SEAICEuseEVP
153      - fix sign error in diffusion in seaice_calc_rhs
154    
155    checkpoint58h_post
156    * Modifications for bottom topography control
157      o replace hFacC by _hFacC at various places
158      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
159      o add non-self-adjoint cg2d_nsa
160      o update autodiff support routines
161      o re-initialise hfac after ctrl_depth_ini
162      o works for 5x5 box, doesnt work for global_ocean.90x40x15
163    * Adding verification for 5x5 box (4-layer) bottom topography control
164    
165    checkpoint58g_post
166    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
167       used for mean seasonal cycle, mean diurnal cycle); add an example
168       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
169    o pkg/ggl90:
170      - add parameter (minimum surface kinetic energy)
171      - fix bug (avoiding division by zero)
172    o couple pkg/thsice to pkg/seaice:
173      - modify advection in seaice to accomodate new scalar fields to be advected
174      - only muliDimAdection scheme work with seaice/thsice
175      - mapping of thsice-variables to seaice-variables, back and forth
176      - does not break the verification experiments, but does not give the
177        desired results either
178    o pkg/seaice
179      - make (default) second order advection a bit less confusing?
180    
181    checkpoint58f_post
182    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
183      to pkg/seaice):
184      - new routines thsice_map_exf and thsice_get_exf provide the interface
185      - add an additional formal parameter to thsice_solve4temp
186    o pkg/exf:
187      - add new fields wspeed, snowprecip (to be able to couple to thsice)
188      - correct Stefan-Boltzmann constant
189      - new parameter for longwave surface emittance
190      - separate some stuff from exf_bulkformulae into new routines  
191        exf_radiation, exf_wind
192      - add new parameters and constants: longwave emissivity for ocean, ice
193        and snow, evaporation parameters over ice
194      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
195        either wind from stress or stress from wind
196    o pkg/thSIce:
197    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
198    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
199       and THSICE_CALC_THICKN
200    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
201    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
202      to make debugging easier.
203    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
204    o pkg/bulk_force:
205      - clean-up comments and parameters ;
206      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
207    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
208      generate new output for test-experiment: aim.5l_cs.thSI
209    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
210      testreport accordingly
211    
212    checkpoint58e_post
213    o SEAICE_CGRID adjoint done
214    o R_STAR adjoint implemented.
215      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
216      * need to sort out init. of h0facc, etc.
217    o Make pkg/profile fully independent of ecco,cost, etc. stuff
218      to be able to use it in pure forward.
219    
220    checkpoint58d_post
221    o upgrade simple test-experiment to tutorial example:
222     step.1: duplicate the experiment and (step.2) will remove the old copy.
223      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
224      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
225      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
226      tutorial_global_oce_biogeo    <- copy of dic_example
227      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
228      tutorial_plume_on_slope       <- copy of plume_on_slope
229      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
230      tutorial_global_oce_optim     <- empty for now (David ?)
231      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
232     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
233    o correct a sign problem in cost_scat.F
234    o obcs and ptracers: fix boundary conditions for advections schemes
235      with larger stencil
236    o thsice adjoint: start
237    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
238      completeness
239    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
240      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
241    o ptracers adjoint:
242      * avoid extensive recomputatations
243      * fix missing re-init. of gptr (missed by TAF)
244    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
245      me to turn off the excessive output to STDOUT that this package produces
246    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
247      and add those terms in Vector-Invariant formulation.
248    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
249      if the control period (xx_hfluxperiod etc) is 0
250    o in profiles pkg, clean routines and fix details
251    o in ecco pkg, reading ssh data:
252      fix problem in case the model does not start at iter0=0
253    o fix mnc-pickup/restart for ptracers
254    o new package prifiles:
255      code to compute profile-based cost by Gael Forget
256      (modifs in ecco, ctrl, autodiff)
257    o Benign bug fix in initialization (spotted by M. Mazloff) of
258      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
259    
260    checkpoint58c_post
261    o adjoint: finish NLFS adjoint and provide reference output in
262      verification/global_ocean.90x40x15/results_ad_nlfs
263    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
264      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
265      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
266      with SEAICE_CGRID defined.
267    o move calendarDumps from "data" to "data.cal" and clean-up the code
268      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
269    o add useEXF & useCAL flags (for now, set in hard-coded way)
270    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
271      (were missing in NH mode, and wrong in quasihydrostatic mode).
272      waiting for Chris updated version of calc_gw to add those CALLs.
273    o fix bug in quasihydrostatic S/R ;
274      add a test for this option: global_ocean.90x40x15.qshyd
275    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
276      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
277    o add on/off flag useOffLine for package OFFLINE
278    o seaice:
279      - modify advection so that it works also on the C-grid
280      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
281        problem in multi-tile runs with C-grid
282      - add flags for clipping ice velocities and/or masking solver forcing
283      - fix drag (ocean on ice) formulation and a bug that caused noise in the
284        C-grid solver
285      - added a few comments to seaice_diffusion.F
286      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
287        are now exclusive)
288      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
289        required re-ordering the code a little:
290       + make DAIRN global variable (defined in SEAICE)
291       + move computation of the viscosities eta and zeta into a new separate
292         routine (because I need to recompute them in seaice_ocean_stress.F)
293    
294    checkpoint58b_post
295    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
296      update output.txt of exp. aim.5l_cs.thSI
297    o various mnc cleanups and improvements:
298      + shrink lookup tables by factor of ~4
299      + better error reporting when running out of lookup space
300      + able to handle longer path/file names (up to 500 chars)
301    o adjoint:
302      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
303      - TBD: "hidden" mom_vecinv recomp. in dynamics
304    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
305     (allow to differentiate between forcing components using new integer flags:
306      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
307     and add new flag to put Dissipation tendency out of Adams-Bashforth.
308    o ecco
309      - enable trend removal from SSH anomaly obs.
310    o adjoint
311      - a fix for PmEpR when #undef EXACT_CONSERV
312      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
313      - try to fix "hidden" recomp. in forward_step for NLFS
314        (NLFS seems broken sometimes after I checked it in)
315    o seaice:
316     - add c-grid version of the dynamic solver:
317       + three new routines that are the c-grid substitute lsr, dynsolver
318         and ostres
319       + put a few fields that were local to dynsolver into global common
320         blocks, so that I can move the computation of stresses etc into
321         seaice_lsr (saves coding but may break the adjoint).
322     - replace more hardwired parameters by runtime parameters
323     - add ice masks that mask the rhs of the implicit solvers where there
324       is no ice (commented out in seaice_dynsolver, because i am not sure
325       if this works properly), eventually this should replace the clipping
326       of ice velocities in seaice_dynsolver to +/-40cm/s.
327    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
328      include it only where its needed
329    o move balancing of fluxes before the call of external_forcing_surf
330    o seaice:
331      - correct units of turning angles (now they are really in degrees)
332      - move computation of GWATX/Y out of main routine into dynsolver
333      - initialize GWATX/Y in seaice_init
334    o Apply mask on Fresh-Water flux (needed for SSH forcing).
335      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
336    o seaice: add runtime flags for turning angles (default to zero)
337    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
338      and trend from exf forcing and ctrl control adjustments
339    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
340      (since checkpoint57x_post)
341    o change the default rotation period to 86164.s = the Earth rotation
342    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
343      and based on a reference stratification. Tested within hs94.cs-32x32x5.
344    o seaice advection: add code for choosing between the default (2nd order
345      central differences) and multiDim advection schemes provided by
346      pkg/generic_advdiff
347    o seaice:
348      - removed all references to SEAICE_GRID.h fields from
349        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
350        (cubed-sphere configuration will change a little)
351      - grid computations in seaice_init are obsolete now.
352      - cleaned up code a little so that is easier to read (hopefully).
353      - added new (better?) discretizations of default advection and diffusion
354        (turn on with SEAICEuseFluxForm)
355      - replace 1 in 3d global fields by kSurface in growth.F
356      
357    checkpoint58a_post
358    o seaice:
359      - bug fix in advect.F
360    o shelfice:
361      - separate shelfice load anomaly from pload (breaks with time
362        dependent forcing), => introduce constant field shelficeLoadAnomaly.
363        Its default is 0., but it may be computed more cleverly from (unknown)
364        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
365        done offline. A good approximation of the pressure load anomaly is
366        necessary to avoid large initial adjustment processes underneath
367        deep-reaching shelfice.
368      - small fix in ISOMIP shelfice_thermodynamics
369      - add more sophisticated thermodynamics of Hellmer (1989), this is
370        now the default
371      - give a few constants more intuitive names
372    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
373      if bulk formulae are used in long integration (especially EmPmR). Turn
374      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
375      if balancePrintMean, the imbalance that is substracted is printed to
376      STDOUT.
377    o fix bug (typo) in obcs_apply_eta.F
378    o add a new package shelfice which enables us to model the circulation
379      underneath shelf-ice with draughts of hundreds of meters.
380     - works
381     - to do: + include improved thermodynamics
382              + check whether kSurfC (from model/inc/SURFACE.h) can be used
383                instead of new field kTopC
384              + can we use topoFile, Ro_surf and existing code in ini_depth.F
385                instead of new field R_shelfIce and new code in ini_depth.F
386                and ini_mask_etc.F?
387              + adjust vertical mixing schemes?
388    o seaice pkg:
389     - add a cpp-flag to include a simple formula for a salinity dependent
390       freezing point of sea water at the surface
391     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
392       meridional stresses are now different (and hopefully correct)
393    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
394       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
395       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
396    o pkg/diagnostics: add options and parameters for regional-statistics
397       diagnostics ; define regions by reading a region-mask from a file
398       (might add other options later)
399    o pkg/bulk_force:
400     - add option and parameters to use AIM surface-flux formulae.
401     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
402       others forcing fields (defined in PARM05, parameter file "data") are loaded
403       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
404     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
405     - use the right EXCH call for uwind,vwind (to work on CS-grid).
406     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
407       and parameters (note: calcWindStress replaces .NOT.readwindstress).
408     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
409    
410  checkpoint58  checkpoint58
411  o add "--embed-source" option to genmake2 which, when the supporting  o add "--embed-source" option to genmake2 which, when the supporting
412    tools can be compiled (as determined by genmake2) will turn on the    tools can be compiled (as determined by genmake2) will turn on the

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