Sentinel-2和Landsat8影像的四种常用水体指数地表水体提取对比

王大钊, 王思梦, 黄昌

Comparison of Sentinel-2 imagery with Landsat8 imagery for surface water extraction using four common water indexes

Dazhao WANG, Simeng WANG, Chang HUANG

表1 叠加图像各类像元所占百分比

Tab.1 Superimposed image percentage of various types of pixels(%)

水体指数 L非水S非水 L水S水 L非水S水 L水S非水 NDWI 79.74 16.87 2.33 1.06 MNDWI 78.77 17.88 2.25 1.10 AWEIsh 75.45 20.52 2.73 1.30 WI2015 76.00 19.91 2.72 1.37