Spatiotemporal Variability of Arctic Soil Moisture Detected from High-Resolution RADARSAT-2 SAR Data

Table 3

r² and RMSE values of the ANN applied to the different scenes/dates at the CBAWO in 2010.

Date	Beam mode	Avg. inc. angle	Sm. obj. r^2	Sm. obj. RMSE	Lrg. obj. r^2	Lrg. obj. RMSE
1-Jul-2009	U15	43.3	0.15	0.171	—	—
7-Jul-2010	U4	33	0.09	0.210	0.03	0.217
9-Jul-2010	U26	48.4	0.29	0.159	0.18	0.149
11-Jul-2010^a	U75	25.75	0.75	0.086	0.40	0.118
17-Jul-2010	U9	37	0.39	0.151	0.35	0.121
23-Jul-2010	U21	45.4	0.37	0.173	0.29	0.179
23-Jul-2010^b	FQ2	20.9	0.31	0.181	—	—
4-Aug-2010	U75	25.75	0.44	0.153	0.32	0.167
10-Aug-2010	U9	37	0.39	0.165	0.32	0.162

Data are presented for both small and large image objects. ^aANN created using this date. ^bFine-quad data, descending pass (all others ascending).