Changes between Version 3 and Version 4 of PDAF_assimilate_ensrf


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Timestamp:
Mar 26, 2025, 10:19:33 AM (6 days ago)
Author:
lnerger
Comment:

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  • PDAF_assimilate_ensrf

    v3 v4  
    1717 * `U_collect_state`: [[BR]]The name of the user-supplied routine that initializes a state vector from the array holding the ensemble of model states from the model fields. This is the inverse operation to `U_distribute_state` used in `PDAF_get_state` as well as here.
    1818 * `U_distribute_state`:  [[BR]]The name of a user supplied routine that initializes the model fields from the array holding the ensemble of model state vectors. This is the inverse operation to `U_collect_state`
    19  * `U_init_dim_obs`: [[BR]]The name of the user-supplied routine that provides the size of observation vector
     19 * `U_init_dim_obs`: [[BR]]The name of the user-supplied routine that provides the size of the observation vector
    2020 * `U_obs_op`: [[BR]]The name of the user-supplied routine that acts as the observation operator on some state vector
    2121 * `U_init_obs`: [[BR]]The name of the user-supplied routine that initializes the vector of observations
     
    2323 * `U_localize_covar_serial`: [[BR]]The name of the routine that applies the covariance localization for a single observation
    2424 * `U_prepoststep`: [[BR]]The name of the pre/poststep routine as in `PDAF_get_state`
    25  * `U_next_observation`: [[BR]]The name of a user supplied routine that initializes the variables `nsteps`, `timenow`, and `doexit`. The same routine is also used in `PDAF_get_state`.
     25 * `U_next_observation`: [[BR]]The name of the user supplied routine that initializes the variables `nsteps`, `timenow`, and `doexit`. The same routine is also used in `PDAF_get_state`.
    2626 * `status_pdaf`: [[BR]]The integer status flag. It is zero, if the routine is exited without errors.
    2727
    2828
    29 The user-supplied call-back routines are described on the page on [wiki:ImplementAnalysisENSRF_EAKF implementing the analysis step of the ENSRF/EAKF]. Here also the possible choices of `subtype` are explained. These seleect the particular filter variant.
     29The user-supplied call-back routines are described on the page on [wiki:ImplementAnalysisENSRF_EAKF implementing the analysis step of the ENSRF/EAKF]. Here also the possible choices of `subtype` are explained. These select the particular filter variant.
    3030
    3131It is recommended to check value of `status_pdaf` in the program after PDAF_assimilate_enkf is executed. Only if its value is 0 the initialization was successful.