摘要
以金沙江流域西南区为研究区,通过两个时相NDVI的比较判断地表植被的变化情况,生成差值图像,提取变化区域,处理判读结果。
It is recognized that one can do land-cover investigation by the technology of renote sensing.It is about how to use NDVI,one of renote sensing methods to do multi-temporal land-cover investigation in the same area.
出处
《云南环境科学》
2003年第4期9-10,共2页
Yunnan Environmental Science
关键词
归一化差值植被指数
遥感
动态调查
NDVI
remote sensing
land-cover,multi-temporal investigation
