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地理科学  2009 

基于MODIS数据的长株潭地区NDBI和NDVI与地表温度的关系研究

, PP. 262-267

Keywords: MODIS,归一化建筑指数(NDBI),归一化植被指数(NDVI),地表温度,地表城市热岛

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Abstract:

基于4个季节的MODIS影像,计算长株潭地区的地表温度、NDBI和NDVI,比较NDBI和NDVI与地表温度之间关系,对地表城市热岛效应研究的指标NDBI和NDVI进行对比分析。结果表明,NDBI与4个季节的地表温度间都存在明显的线性关系,而NDVI与地表温度间关系并不明显且随季节发生变化,说明NDBI是地表城市热岛效应研究的有效指标,在地表城市热岛效应的季节变化研究中NDBI可作为NDVI的一个附加指标。

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