基于PROBA/CHRIS影像的归一化阴影植被指数NSVI构建与应用效果

胡新宇, 许章华, 陈文慧, 陈秋霞, 王琳, 刘辉, 刘智才

Construction and application effect of normalized shadow vegetation index NSVI based on PROBA/CHRIS image

HU Xinyu, XU Zhanghua, CHEN Wenhui, CHEN Qiuxia, WANG Lin, LIU Hui, LIU Zhicai

表3 明亮区植被、阴影区植被及水体区分类最佳阈值确定

Tab.3 Best threshold determining of bright vegetation area, shaded vegetation area and water area

类型 0° 36° -36° 55° -55° 明亮区植被 NSVI≥0.28 NSVI≥0.26 NSVI≥0.26 NSVI≥0.32 NSVI≥0.32 阴影区植被 0.06<NSVI<0.28 0.1<NSVI<0.26 0.1<NSVI<0.26 0.12<NSVI<0.32 0.12<NSVI<0.32 水体区 NSVII≤0.06 NSVI≤0.1 NSVI≤0.1 NSVI≤0.12 NSVI≤0.12