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revision 1.599 by jmc, Thu Jan 12 16:49:07 2006 UTC revision 1.722 by jmc, Thu Aug 31 15:33:43 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 diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
9    
10    checkpoint58o_post
11    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
12      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
13    o change controling S/R for writing pickup file (new S/R do_write_pickup)
14      and clean-up reading/writing of pickup files.
15    o fix local version of read/write pickup (NH part) in rotating_tank/code
16    o simplify EXCH interface:
17     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
18     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
19    o added the regrid package
20    o shelfice:
21     - add a simple boundary layer scheme to reduce noise
22     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
23    
24    checkpoint58n_post
25    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
26       local variable (not in common block).
27    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
28      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
29      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
30        to work with SingleCpuIO.
31    o add "_d 0" to real constant of pkg/cfc subroutines ;
32       update exp. cfc_exemple & tutorial_cfc_offline output files.
33    o multi-threading and IO:
34      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
35        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
36      - barrier before and after reading.
37      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
38      - avoid using MDS_WRITELOCAL for LAND pkg output.
39      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
40        common-block variables ; Allows multi-threading with master-thread IO.
41    o change default MAX_NO_THREADS from 32 to 4 ;
42      and stop cleanly when MAX_NO_THREADS is too small.
43    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
44    
45    checkpoint58m_post
46    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
47       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
48    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
49       keep global_ocean.90x40x15 (for AD testing) with former secondary test
50       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
51    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
52        add MITgcm_tutorials (= code + all the tutorials)
53    o ecco, option to compute cost for total ssh (mean+anom)
54    o consistent with addition of ptracer and ssh in pkg/profiles
55    o profiles: adding ptracer and ssh
56    o testreport: change multi-test output-file name
57      (from output.txt.{name} to output.{name}.txt)
58    o profiles: now ok for mutli-tiles case
59    o seaice: add 4 parameters for different advection schemes for area,
60      (effective) seaice thickness, enthalphy, and snow height. Their default
61      is the standard parameter SEAICEadvScheme
62    o calc_gw:
63     - add cosFacU in zonal viscous flux (harmonic.visc.).
64     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
65       of tutorial_plume_on_slope.
66    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
67    o calc_gw: true flux-form, account for horizontal grid spacing.
68      update rotating_tank results, but not plume_on_slope (affected at
69      truncation level, 11 digits).
70    
71    checkpoint58l_post
72    o calc_gw:
73     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
74     - remove side-drag for now (need to fix it); update plume_on_slope results.
75     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
76    o commit code to make SST/SSS weights spatially variable
77      (based on either variable in-situ or variable initial T/S weights)
78    o pkg/ecco:
79      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
80        now based on horizontally varying weights wthetaLev, wsaltLev
81      * cost_averagesflags now returns year indices in addition to day, month
82      * sflux balance is performed on annual basis
83        (sflxumm, sfluxmm2, bal_sfluxmm)
84      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
85        including separate counting and multipliers
86    o pkg/rbcs
87      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
88    
89    checkpoint58k_post
90    o testreport:
91     - always build in dir. "build" (if not there, mkdir build instead of building
92       & running in input)
93     - run in dir run (if it exists), in build otherwise.
94     - call prepare_run (if input/prepare_run exists)
95     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
96    o pkg/exf modifications to interpolation and rotation routines for more
97       reasonable treatment of North Pole singularity: for tracers North Pole
98       value is set to northernmost zonal-mean value, for zonal velocity it is
99       set to zero, and for meridional velocity it is set to northernmost value.
100    o pkg/exf/exf_check_range.F
101     - add tile index to diagnostics and move stop statement to the very
102       end of the routine.
103    o pkg/diagnostics: (diagnostics_main_init.F)
104      define title of isomorphic variables according to the current config.
105    o pkg/thsice with pkg/seaice dynamics:
106    - fix domain of computation (interior only, required for exf) and do exchanges
107    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
108    o towards a standard way of dealing with multi-threading in MONITOR
109      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
110    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
111       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
112    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
113    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
114    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
115       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
116    o tracer advection:
117     - clean-up and simplify calc_common_factors.F
118     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
119       advection subroutine (but still not used within DST advection S/R)
120    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
121    
122    checkpoint58j_post
123    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
124      from file (collects calls previously in FORWARD_STEP)
125    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
126    o adjoint store dir. adjusted accordingly
127    o genmake2
128      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
129    
130    checkpoint58i_post
131    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
132      on wind stress (SEAICEstressFactor defaults to 1.)
133    o Total number of Timers is finite (<=40): comment out 2 non-essential one
134      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
135    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
136      on CS-grid: no longer loosing mass.
137    o exf & curvilinear-grid: no longer modify longitude xC & xG.
138    o pkg/ggl90: fix sloppy output and fix a bug
139    o pkg/seaice: added SEAICEuseEVPpickup parameter
140      - Set to false in order to start EVP solver with
141        non-EVP pickup files when using SEAICEuseEVP
142      - fix sign error in diffusion in seaice_calc_rhs
143    
144    checkpoint58h_post
145    * Modifications for bottom topography control
146      o replace hFacC by _hFacC at various places
147      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
148      o add non-self-adjoint cg2d_nsa
149      o update autodiff support routines
150      o re-initialise hfac after ctrl_depth_ini
151      o works for 5x5 box, doesnt work for global_ocean.90x40x15
152    * Adding verification for 5x5 box (4-layer) bottom topography control
153    
154    checkpoint58g_post
155    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
156       used for mean seasonal cycle, mean diurnal cycle); add an example
157       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
158    o pkg/ggl90:
159      - add parameter (minimum surface kinetic energy)
160      - fix bug (avoiding division by zero)
161    o couple pkg/thsice to pkg/seaice:
162      - modify advection in seaice to accomodate new scalar fields to be advected
163      - only muliDimAdection scheme work with seaice/thsice
164      - mapping of thsice-variables to seaice-variables, back and forth
165      - does not break the verification experiments, but does not give the
166        desired results either
167    o pkg/seaice
168      - make (default) second order advection a bit less confusing?
169    
170    checkpoint58f_post
171    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
172      to pkg/seaice):
173      - new routines thsice_map_exf and thsice_get_exf provide the interface
174      - add an additional formal parameter to thsice_solve4temp
175    o pkg/exf:
176      - add new fields wspeed, snowprecip (to be able to couple to thsice)
177      - correct Stefan-Boltzmann constant
178      - new parameter for longwave surface emittance
179      - separate some stuff from exf_bulkformulae into new routines  
180        exf_radiation, exf_wind
181      - add new parameters and constants: longwave emissivity for ocean, ice
182        and snow, evaporation parameters over ice
183      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
184        either wind from stress or stress from wind
185    o pkg/thSIce:
186    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
187    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
188       and THSICE_CALC_THICKN
189    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
190    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
191      to make debugging easier.
192    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
193    o pkg/bulk_force:
194      - clean-up comments and parameters ;
195      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
196    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
197      generate new output for test-experiment: aim.5l_cs.thSI
198    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
199      testreport accordingly
200    
201    checkpoint58e_post
202    o SEAICE_CGRID adjoint done
203    o R_STAR adjoint implemented.
204      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
205      * need to sort out init. of h0facc, etc.
206    o Make pkg/profile fully independent of ecco,cost, etc. stuff
207      to be able to use it in pure forward.
208    
209    checkpoint58d_post
210    o upgrade simple test-experiment to tutorial example:
211     step.1: duplicate the experiment and (step.2) will remove the old copy.
212      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
213      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
214      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
215      tutorial_global_oce_biogeo    <- copy of dic_example
216      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
217      tutorial_plume_on_slope       <- copy of plume_on_slope
218      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
219      tutorial_global_oce_optim     <- empty for now (David ?)
220      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
221     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
222    o correct a sign problem in cost_scat.F
223    o obcs and ptracers: fix boundary conditions for advections schemes
224      with larger stencil
225    o thsice adjoint: start
226    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
227      completeness
228    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
229      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
230    o ptracers adjoint:
231      * avoid extensive recomputatations
232      * fix missing re-init. of gptr (missed by TAF)
233    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
234      me to turn off the excessive output to STDOUT that this package produces
235    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
236      and add those terms in Vector-Invariant formulation.
237    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
238      if the control period (xx_hfluxperiod etc) is 0
239    o in profiles pkg, clean routines and fix details
240    o in ecco pkg, reading ssh data:
241      fix problem in case the model does not start at iter0=0
242    o fix mnc-pickup/restart for ptracers
243    o new package prifiles:
244      code to compute profile-based cost by Gael Forget
245      (modifs in ecco, ctrl, autodiff)
246    o Benign bug fix in initialization (spotted by M. Mazloff) of
247      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
248    
249    checkpoint58c_post
250    o adjoint: finish NLFS adjoint and provide reference output in
251      verification/global_ocean.90x40x15/results_ad_nlfs
252    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
253      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
254      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
255      with SEAICE_CGRID defined.
256    o move calendarDumps from "data" to "data.cal" and clean-up the code
257      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
258    o add useEXF & useCAL flags (for now, set in hard-coded way)
259    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
260      (were missing in NH mode, and wrong in quasihydrostatic mode).
261      waiting for Chris updated version of calc_gw to add those CALLs.
262    o fix bug in quasihydrostatic S/R ;
263      add a test for this option: global_ocean.90x40x15.qshyd
264    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
265      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
266    o add on/off flag useOffLine for package OFFLINE
267    o seaice:
268      - modify advection so that it works also on the C-grid
269      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
270        problem in multi-tile runs with C-grid
271      - add flags for clipping ice velocities and/or masking solver forcing
272      - fix drag (ocean on ice) formulation and a bug that caused noise in the
273        C-grid solver
274      - added a few comments to seaice_diffusion.F
275      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
276        are now exclusive)
277      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
278        required re-ordering the code a little:
279       + make DAIRN global variable (defined in SEAICE)
280       + move computation of the viscosities eta and zeta into a new separate
281         routine (because I need to recompute them in seaice_ocean_stress.F)
282    
283    checkpoint58b_post
284    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
285      update output.txt of exp. aim.5l_cs.thSI
286    o various mnc cleanups and improvements:
287      + shrink lookup tables by factor of ~4
288      + better error reporting when running out of lookup space
289      + able to handle longer path/file names (up to 500 chars)
290    o adjoint:
291      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
292      - TBD: "hidden" mom_vecinv recomp. in dynamics
293    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
294     (allow to differentiate between forcing components using new integer flags:
295      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
296     and add new flag to put Dissipation tendency out of Adams-Bashforth.
297    o ecco
298      - enable trend removal from SSH anomaly obs.
299    o adjoint
300      - a fix for PmEpR when #undef EXACT_CONSERV
301      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
302      - try to fix "hidden" recomp. in forward_step for NLFS
303        (NLFS seems broken sometimes after I checked it in)
304    o seaice:
305     - add c-grid version of the dynamic solver:
306       + three new routines that are the c-grid substitute lsr, dynsolver
307         and ostres
308       + put a few fields that were local to dynsolver into global common
309         blocks, so that I can move the computation of stresses etc into
310         seaice_lsr (saves coding but may break the adjoint).
311     - replace more hardwired parameters by runtime parameters
312     - add ice masks that mask the rhs of the implicit solvers where there
313       is no ice (commented out in seaice_dynsolver, because i am not sure
314       if this works properly), eventually this should replace the clipping
315       of ice velocities in seaice_dynsolver to +/-40cm/s.
316    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
317      include it only where its needed
318    o move balancing of fluxes before the call of external_forcing_surf
319    o seaice:
320      - correct units of turning angles (now they are really in degrees)
321      - move computation of GWATX/Y out of main routine into dynsolver
322      - initialize GWATX/Y in seaice_init
323    o Apply mask on Fresh-Water flux (needed for SSH forcing).
324      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
325    o seaice: add runtime flags for turning angles (default to zero)
326    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
327      and trend from exf forcing and ctrl control adjustments
328    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
329      (since checkpoint57x_post)
330    o change the default rotation period to 86164.s = the Earth rotation
331    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
332      and based on a reference stratification. Tested within hs94.cs-32x32x5.
333    o seaice advection: add code for choosing between the default (2nd order
334      central differences) and multiDim advection schemes provided by
335      pkg/generic_advdiff
336    o seaice:
337      - removed all references to SEAICE_GRID.h fields from
338        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
339        (cubed-sphere configuration will change a little)
340      - grid computations in seaice_init are obsolete now.
341      - cleaned up code a little so that is easier to read (hopefully).
342      - added new (better?) discretizations of default advection and diffusion
343        (turn on with SEAICEuseFluxForm)
344      - replace 1 in 3d global fields by kSurface in growth.F
345      
346    checkpoint58a_post
347    o seaice:
348      - bug fix in advect.F
349    o shelfice:
350      - separate shelfice load anomaly from pload (breaks with time
351        dependent forcing), => introduce constant field shelficeLoadAnomaly.
352        Its default is 0., but it may be computed more cleverly from (unknown)
353        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
354        done offline. A good approximation of the pressure load anomaly is
355        necessary to avoid large initial adjustment processes underneath
356        deep-reaching shelfice.
357      - small fix in ISOMIP shelfice_thermodynamics
358      - add more sophisticated thermodynamics of Hellmer (1989), this is
359        now the default
360      - give a few constants more intuitive names
361    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
362      if bulk formulae are used in long integration (especially EmPmR). Turn
363      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
364      if balancePrintMean, the imbalance that is substracted is printed to
365      STDOUT.
366    o fix bug (typo) in obcs_apply_eta.F
367    o add a new package shelfice which enables us to model the circulation
368      underneath shelf-ice with draughts of hundreds of meters.
369     - works
370     - to do: + include improved thermodynamics
371              + check whether kSurfC (from model/inc/SURFACE.h) can be used
372                instead of new field kTopC
373              + can we use topoFile, Ro_surf and existing code in ini_depth.F
374                instead of new field R_shelfIce and new code in ini_depth.F
375                and ini_mask_etc.F?
376              + adjust vertical mixing schemes?
377    o seaice pkg:
378     - add a cpp-flag to include a simple formula for a salinity dependent
379       freezing point of sea water at the surface
380     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
381       meridional stresses are now different (and hopefully correct)
382    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
383       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
384       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
385    o pkg/diagnostics: add options and parameters for regional-statistics
386       diagnostics ; define regions by reading a region-mask from a file
387       (might add other options later)
388    o pkg/bulk_force:
389     - add option and parameters to use AIM surface-flux formulae.
390     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
391       others forcing fields (defined in PARM05, parameter file "data") are loaded
392       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
393     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
394     - use the right EXCH call for uwind,vwind (to work on CS-grid).
395     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
396       and parameters (note: calcWindStress replaces .NOT.readwindstress).
397     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
398    
399  checkpoint58  checkpoint58
400  o add "--embed-source" option to genmake2 which, when the supporting  o add "--embed-source" option to genmake2 which, when the supporting
401    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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