Changes between Version 191 and Version 192 of LnDevel


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Timestamp:
Sep 9, 2024, 6:11:56 PM (4 weeks ago)
Author:
lnerger
Comment:

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  • LnDevel

    v191 v192  
    111111**PDAFlocal**
    112112
    113 [wiki:PDAFlocal]
     113[wiki:PDAFlocal_overview]
    114114
    115115[wiki:PDAFlocal_set_indices]
     
    210210 * For even better performance of the initialization of local observations, we added ''support for a user-sided implementation of search for local observations''. The user-sided search routine can lead to the best performance since it requires less IF-checks which are required in the generic code inside PDAFomi. If you have the impression that PDAFomi_init_dim_obs_l is slow in your case, e.g. because it domines the run time of the analysis step, we recommend to aim for a user-sided implementation (see https://pdaf.awi.de/trac/wiki/OMI_search_local_observations)
    211211 * Addition of ''support for non-diagonal observation error covariance matrices in PDAF-OMI'' (see https://pdaf.awi.de/trac/wiki/OMI_nondiagonal_observation_error_covariance_matrices)
    212  * ''Introduction of PDAFlocal interface''. This simplifies the implementation of the state localization. It also provides support for weighted local increments, e.g. to implement vertical localization or weakly coupled assimilaation. (see https://pdaf.awi.de/trac/wiki/PDAFlocal_overview)
     212 * ''Introduction of PDAFlocal interface''. This simplifies the implementation of the state localization. It also provides support for weighted local increments, e.g. to implement vertical localization or weakly coupled assimilation. (see https://pdaf.awi.de/trac/wiki/PDAFlocal_overview)
    213213
    214214Further changes and additions: