Table 5.

Accuracy assessment analyses.

Index	2007			2015
	AE (km2)	OA (%)	κ	AE (km2)	OA (%)	κ
AWEI	429	86	0.82	621	89	0.85
MNDWI	−44	95.7	0.9	−85	97	0.91
NDVI	−137	90	0.85	−175	92	0.89
NDWI	−194	93.2	0.88	−112	95	0.9