Soil Moisture Assimilation Using a Modified Ensemble Transform Kalman Filter Based on Station Observations in the Hai River Basin

Table 4

The time-mean RMSEs of estimated soil moistures in observation layers of different assimilation schemes.

	5 cm	10 cm	20 cm	40 cm	60 cm	100 cm	Mean
ETKF	5.89	4.85	3.98	2.12	3.93	5.47	4.37
ETKF-Inf ()	5.81	3.30	3.22	6.49	2.27	2.20	3.88
WCETKF	4.38	3.32	6.18	10.89	5.58	5.79	6.02
WCETKF-Inf ()	5.44	3.02	2.54	6.76	4.36	4.23	4.39