摘要
介绍了植被的光谱特征,概述了几种常见的植被指数及其优缺点。对MODIS探测器监测植被的特点和美国NASA归一化差值植被指数(NDVI)和增强植被指数(EVI)产品特性和不足做了说明,指出了研究西北地区MODIS植被指数的重要意义。
Spectral reflectance characteristic of vegetation was introduced. The advantage and disadvantage of several vegetation indexes in common use were summarized.The characteristics of vegetation monitoring by using MODIS sensor and the two NASA vegetation indexes products and their shortage were indicated.The importance of studying on MODIS vegetation indexes in Northwest China was presented.
出处
《干旱气象》
2003年第4期71-75,共5页
Journal of Arid Meteorology
基金
国家自然科学基金项目(40375011)资助
