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

Table 4

r² and RMSE values of the ANN applied to the different scenes/dates at Cape Collingwood in 2011.

Date	Beam mode	Sm. obj. r^2	Sm. obj. RMSE	Lrg. obj. r^2	Lrg. obj. RMSE
09-Jul-2011^a	U8	0.13	0.142	0.21	0.136
10-Jul-2011^a	U74	0.14	0.193	0.27	0.178
12-Jul-2011^b	U13	0.16	0.163	0.28	0.134
13-Jul-2011^b	U79	0.20	0.148	0.05	0.135
23-Jul-2011^b	U4	0.04	0.150	0.05	0.147

^aCovers northern subset of study area (Kanguk formation). ^bCovers southern subset of study area (Hassel and Christopher formations). Data are presented for both small and large image objects.