基于植被指数的若尔盖高原湿地光合有效辐射吸收比例估算研究
袁艺溶,王继燕,杨嘉葳,熊俊楠

Research on FPAR Estimation of Wetland in Zoige Plateau based on Vegetation Index
Yirong Yuan,Jiyan Wang,Jiawei Yang,Junnan Xiong
表1 常见植被指数
Table 1 The common vegetation index
植被指数英文缩写(全称)公式
差值植被指数DVI (Difference Vegetation Index)ρNIR-ρR
比值植被指数RVI (Ratio Vegetation Index)ρNIR/ρR
归一化植被指数NDVI (Normalized Difference Vegetation Index)(ρNIR-ρR)/(ρNIR+ρR)
增强型植被指数EVI (Enhanced Vegetation Index)G*(ρNIR-ρR)(ρNIR+C1*ρR-C2*ρB+L)
修正植被指数MVI (Modified Vegetation Index)ρNIR-ρRρNIR+ρR+0.5
改进的归一化植被指数MNDVI (Modified Normalized Difference Vegetation Index)c*ρNIR-ρRc*ρNIR+ρR
土壤调整指数SAVI (Soil Adjust Vegetation Index)ρNIR-ρR*(1+L1)(ρNIR+ρR+L1)
土壤调整简单比SASR (Soil Adjust Simple Ratio)ρNIR+L/2ρR+L/2
优化土壤调整指数OSAVI (Optimized Soil Adjust Vegetation Index)ρNIR-ρRρNIR+ρR+0.16
修正土壤调整植被指数MSAVI (Modified Soil Adjust Vegetation Index)(2ρNIR+1-(2ρNIR+1)2-8(ρNIR-ρR))2
简单比值水体指数SRWI (Simple Ratio Water Index)ρNIR/ρMIR
归一化水体指数NDWI (Normalized Difference Water Index)(ρG-ρNIR)/(ρNIR+ρG)
改进的归一化水体指数MNDWI (Modified Normalized Difference Water Index)(ρG-ρMIR)/(ρG+ρMIR)
归一化水汽指数NDMI (Normalized Difference Moisture Index)(ρNIR-ρMIR)/(ρNIR+ρMIR)