Changes between Version 3 and Version 4 of Implement3DVarAnalysisOverviewPDAF3


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Timestamp:
May 25, 2025, 7:18:28 PM (10 days ago)
Author:
lnerger
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  • Implement3DVarAnalysisOverviewPDAF3

    v3 v4  
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    3434[[Image(//pics/Analysis_3DVars_web_PDAF3.png)]]
    35 [[BR]]'''Figure 1:''' Required routines for the analysis step of 3D-Var methods. There are four groups of routines: The interface to the model (light blue), the observation module (red), state localization in case of Ensemble or Hybrid Var using the LESTKF (purple), and handling of covariances (dark blue). The routine marked in yellow are additions compared to what is required for ensemble filters. Without [wiki:PDAFlocal_overview PDAFlocal] there are two additional routines in the localization module.
     35[[BR]]'''Figure 1:''' Required routines for the analysis step of 3D-Var methods. There are four groups of routines: The interface to the model (blue), the observation module (red), state localization in case of Ensemble or Hybrid Var using the LESTKF (purple), and handling of covariances (cyan). The routine marked in yellow are additions compared to what is required for ensemble filters. Without [wiki:PDAFlocal_overview PDAFlocal] there are two additional routines in the localization module.
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    4040=== Model Interface ===
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    42 The model Interface consists of the routines `collect_state_pdaf` and `distribute_state_pdaf`. These routine perform the conversion between model fields and state vector. The routines have been discussed in the context of the [ModifyModelforEnsembleIntegration modification of the model for the ensemble integration]. These routine are only used in the online assimialtion mode.
     42The model Interface consists of the routines `collect_state_pdaf` and `distribute_state_pdaf`. These routine perform the conversion between model fields and state vector. The routines have been discussed in the context of the [ModifyModelforEnsembleIntegration modification of the model for the ensemble integration]. These routines are only used in the online assimilation mode.
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    4444=== OMI Observation Modules ===