Changes between Version 2 and Version 3 of PDAFlocal_overview


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Timestamp:
Sep 9, 2024, 3:45:56 PM (4 weeks ago)
Author:
lnerger
Comment:

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  • PDAFlocal_overview

    v2 v3  
    111111||= En3DVar =|| [wiki:PDAFlocalomi_assimilate_en3dvar_lestkf_nondiagR] || [wiki:PDAFlocalomi_put_state_en3dvar_lestkf_nondiagR] ||
    112112||= Hyb3DVar =|| [wiki:PDAFlocalomi_assimilate_hyb3dvar_lestkf_nondiagR] || [wiki:PDAFlocalomi_put_state_hyb3dvar_lestkf_nondiagR] ||
     113
     114
     115== Routines to perform the analysis step not using OMI ==
     116
     117Thesse are the routines for the older observation handling without OMI. There is no distinction with regard to diagonal or non-diagonal **R** because without PDAF-OMI one always needs to implement all observation routines on the user side.
     118
     119Generally the routines to be called for the analysis step are analogous to those when not used PDAFlocal (e.g. in implementations before the release of PDAF V2.3). The difference is in the name and in the fact that the routines `g2l_state_pdaf` and `l2g_state_pdaf` are not present in the interface of the PDAFlocal routines.
     120
     121=== Ensemble filters ===
     122
     123Depending on the fully parallel are flexible implementation choose the routine
     124||= **Filter** =||= **fully parallel** =||= **flexible** =||
     125||= LESTKF =|| [wiki:PDAFlocal_assimilate_lestkf] || [wiki:PDAFlocal_put_state_lestkf] ||
     126||= LETKF =|| [wiki:PDAFlocal_assimilate_letkf] || [wiki:PDAFlocal_put_state_letkf] ||
     127||= LSEIK =|| [wiki:PDAFlocal_assimilate_lseik] || [wiki:PDAFlocal_put_state_lseik] ||
     128||= LNETF =|| [wiki:PDAFlocal_assimilate_lnetf] || [wiki:PDAFlocal_put_state_lnetf] ||
     129||= LKNETF =|| [wiki:PDAFlocal_assimilate_lknetf] || [wiki:PDAFlocal_put_state_lknetf] ||
     130
     131=== 3D-Var ===
     132
     133Only En3DVar and hybrid 3D-Var use a local filter. The routines are the following.
     134
     135**for diagonal R matrix**
     136
     137||= **Method** =||= **fully parallel** =||= **flexible** =||
     138||= En3DVar =|| [wiki:PDAFlocal_assimilate_en3dvar_lestkf] || [wiki:PDAFlocal_put_state_en3dvar_lestkf] ||
     139||= Hyb3DVar =|| [wiki:PDAFlocal_assimilate_hyb3dvar_lestkf] || [wiki:PDAFlocal_put_state_hyb3dvar_lestkf] ||