The Impact of Length-Scale Variation When Diagnosing the Standard Deviations of Background Error in a 4D-Var System and Filtering Method Investigation

<div>Relative error in the estimates of vorticity, temperature, and <i>U</i>-wind with different averaging lengths.</div>

Advances in Meteorology

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Figure 9

Figure 9: The Impact of Length-Scale Variation When Diagnosing the Standard Deviations of Background Error in a 4D-Var System and Filtering Method Investigation 

Figure 9 | The Impact of Length-Scale Variation When Diagnosing the Standard Deviations of Background Error in a 4D-Var System and Filtering Method Investigation 