A New Data Assimilation Scheme: The Space-Expanded Ensemble Localization Kalman Filter

Figure 1

Parameter dependence of the analysis RMSE of two methods. The horizontal and the vertical axes indicate the inflation factor and the length scale, respectively.

(a)   SELKF, 𝐼=20

(b) EnKF, 𝐼=20

(c) SELKF, 𝐼=10

(d) EnKF, 𝐼=10

(e) SELKF, 𝐼=5

(f) EnKF, 𝐼=5