Spatial Differentiation Analysis of Water Quality in Dianchi Lake Based on GF-5 NDVI Characteristic Optimization

Table 4

NDVI values of characteristic bands in Caohai.

Near-infrared band		Red band
		B66	B74	B86	Mean
		0.64%	1.34%	0.63%	0.95%
B99	0.85%	0.14	−0.22	0.15	−0.05
B129	0.25%	−0.43	−0.68	−0.43	−0.58
B151	1.84%	0.48	0.16	0.49	0.32
B166	0.50%	−0.12	−0.45	−0.11	−0.30
B203	0.98%	0.21	−0.15	0.22	0.02
B206	0.34%	−0.31	−0.60	−0.31	−0.47
B264	0.66%	0.02	−0.34	0.02	−0.18
B268	0.17%	−0.58	−0.78	−0.58	−0.70
B271	0.52%	−0.11	−0.44	−0.10	−0.29
B285	0.11%	−0.70	−0.84	−0.69	−0.78
Mean	0.45%	−0.17	−0.50	−0.17	−0.35