基于长时序Landsat 5/8多波段遥感影像的青海湖面积变化研究
韩伟孝, 黄春林, 王昀琛, 顾娟

Study on the Area Variation of Qinghai Lake Based on Long-Term Landsat 5/8 Multi-Band Remote Sensing Imagery
Weixiao Han, Chunlin Huang, Yunchen Wang, Juan Gu
表2 应用于Landsat 5/8影像的6种常用的水体指数
Table 2 Six water index methods applied in Landsat 5/8 imagery
指数 方程 影像数据
TCW[15] T C W = 0.0315 ρ b 1 + 0.2021 ρ b 2 + 0.3102 ρ b 3 + 0.1594 ρ b 4 - 0.6806 ρ b 5 - 0.6109 ρ b 7 Landsat 4/5 TM
NDWI[33] N D W I = ρ b 2 - ρ b 4 ρ b 2 + ρ b 4 Landsat MSS(Multispectral Scanner)
MNDWI[34] M N D W I = ρ b 2 - ρ b 5 ρ b 2 + ρ b 5 Landsat TM, Landsat 7 ETM+
AWEI[20] A W E I n s h = 4 ( ρ b 2 - ρ b 5 ) - ( 0.25 ρ b 4 + 2.75 ρ b 7 ) A W E I s h = ρ b 1 + 2.5 ρ b 2 - 1.5 ( ρ b 4 + ρ b 5 ) - 0.25 ρ b 7 Landsat 5 TM
WI2015[19] W I 2015 = 1.7204 + 171 ρ b 2 + 3 ρ b 3 - 70 ρ b 4 - 45 ρ b 5 - 71 ρ b 7 Landsat 5 TM/7 ETM+/8 OLI
MBWI[18] M B W I = 2 ρ b 3 - ρ b 4 - ρ b 5 - ρ b 6 - ρ b 7 Landsat 8 OLI