Changes between Version 39 and Version 40 of ReleaseNotes


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Timestamp:
Jul 5, 2019, 10:20:57 AM (5 years ago)
Author:
lnerger
Comment:

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  • ReleaseNotes

    v39 v40  
    88* Added a [wiki:ImplementAnalysispf particle filter with importance resampling] (filtertype=12)
    99* Added an option for ETKF/SEIK/ESTKF to compute the innovation either from mean of HX or from H(meanX). Only the latter was supported by now, but using mean(HX) is the correct approach for nonlinear observation operators. This option is specified as param_int(8) (see [wiki:AvailableOptionsforInitPDAF overview of available filter options])
    10 * Added timing information on the time required to collect and distribute the ensemble in the online implemented data assimilation
     10* Added timing information on the time required to collect and distribute the ensemble in the online implemented data assimilation.
     11* Added more routines to simplify the implementation of parallelized local analysis steps when collecting full observations: 'PDAF_gather_obs_f_flex' and 'PDAF_gather_obs_f2_flex'. These are flexible variants fo the routines introduced in version 1.13 as they don't rely on a call to 'PDAF_gather_dim_obs_f'.
    1112* All template routines now give an output starting with 'TEMPLATE'. Given that one should delete this output line when one implements a routine, this will help to keep an track on how far a particular implementation is complete.
    1213* Revised [wiki:Lorenz_63_model Lorenz-63 model example] and added data assimilation and plotting scripts to it. The use is analogous to the Lorenz-96 model, but without localized filters.