Multitemporal Soil Moisture Retrieval over Bare Agricultural Areas by Means of Alpha Model with Multisensor SAR Data

Table 5

Quantitative evaluation of estimated soil moisture using the developed Alpha model.

Date	Statistical indicators	JiuLong	WanNian
13 Oct. 2015	RMSE (cm^3/cm^3)	0.048	0.054
	R	0.75	0.64
	Sampling number	27	26
6 Nov. 2015	RMSE (cm^3/cm^3)	0.066	0.068
	R	0.54	0.64
	Sampling number	21	23
24 Dec. 2015	RMSE (cm^3/cm^3)	0.048	0.06
	R	0.85	0.71
	Sampling number	30	27
17 Jan. 2016	RMSE (cm^3/cm^3)	0.068	0.068
	R	0.71	0.82
	Sampling number	30	30
5 Mar. 2016	RMSE (cm^3/cm^3)	0.066	0.052
	R	0.91	0.81
	Sampling number	30	30