Changes between Version 13 and Version 14 of PDAF3_new_functionality


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Timestamp:
May 31, 2025, 7:46:42 AM (4 days ago)
Author:
lnerger
Comment:

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  • PDAF3_new_functionality

    v13 v14  
    4949Further information: [wiki:PDAF3_interface The PDAF3 interface].
    5050
    51 === Intializing observations before prepoststep_pdaf ===
    52 
    53 By default observations are initialized just before the analysis step after `prepoststep_pdaf` is called.
    54 In the PDAF integer options that are set in the call to `PDAF_init` or with the new `PDAF_set_iparam`, the option with index 9 (`type_obs`) allows to switch the initialization of observation to happen before the routine prepoststep_pdaf is called. This allows to compare the observations with the forecast ensemble, e.g. using the new PDAF-OMI observation diagnostics
    55 
    56 Further information: [wiki:AvailableOptionsforInitPDAF Available options for the different DA methods]
    57 
    5851=== Using `PDAF3_assimilate` in flexible parallelization mode ===
    5952
    … …  
    7770=== Initializing observations before `prepoststep_pdaf` ===
    7871
    79 In PDAF V3, one can choose to initialize observations after an forecast phase before the routine prepoststep_pdaf is called. This is set using the integer parameter with index 9 (see [wiki:AvailableOptionsforInitPDAFinPDAF3 Options for PDAF_init]). This option allows the to assess observation information in `prepostep_pdaf` to compare the forecast ensemble with the observations that will be assimilated in the following analysis step, e.g. using the new [wiki:#PDAF-OMIobservationdiagnostics PDAFomi observation diagnostics].
     72In PDAF V3, one can choose to initialize observations after an forecast phase before the routine prepoststep_pdaf is called. This is set using the integer parameter with index 9 (see [wiki:AvailableOptionsforInitPDAF Options for PDAF_init]). This option allows the to assess observation information in `prepostep_pdaf` to compare the forecast ensemble with the observations that will be assimilated in the following analysis step, e.g. using the new [wiki:#PDAF-OMIobservationdiagnostics PDAFomi observation diagnostics].
    8073
    8174Further information: [wiki:AvailableOptionsforInitPDAF Options for PDAF_init] and [wiki:PDAFomi_observation_diagnostics PDAFomi observation diagnostics]
     75
    8276
    8377=== Calling the analysis step in offline coupling with `assim_offline` ===