论文

基于MODIS数据的长株潭地区NDBI和NDVI与地表温度的关系研究

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  • 1. 中国科学院遥感应用研究所遥感科学国家重点实验室, 北京 100101;
    2. 北京师范大学地理学与遥感科学学院, 北京 100875
历华(1982- ),河南省信阳人,博士研究生,主要从事地表温度反演和热红外遥感应用等方面的研究。E-mail:lihua6644@yahoo.com.cn

收稿日期: 2008-04-17

  修回日期: 2008-08-17

  网络出版日期: 2009-03-20

基金资助

中国科学院知识创新工程重要方向性项目(KZCX2-YW-313)、国家自然科学基金重点项目(40730525)资助。

Relationships of LST to NDBI and NDVI in Changsha-Zhuzhou-Xiangtan Area Based on MODIS Data

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  • 1. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101;
    2. School of Geography, Beijing Normal University, Beijing 100875

Received date: 2008-04-17

  Revised date: 2008-08-17

  Online published: 2009-03-20

摘要

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。

本文引用格式

历华, 柳钦火, 邹杰 . 基于MODIS数据的长株潭地区NDBI和NDVI与地表温度的关系研究[J]. 地理科学, 2009 , 29(2) : 262 -267 . DOI: 10.13249/j.cnki.sgs.2009.02.262

Abstract

This paper compares the normalized difference built-up index (NDBI) and normalized difference vegetation index (NDVI) as indicators of surface urban heat island (SUHI) effects in MODIS imagery by investigating the relationships between the land surface temperature (LST), NDBI and the NDVI. MODIS data were used to estimate the LST, NDBI and NDVI from four different dates for Changsha-Zhuzhou-Xiangtan metropolitan area. Our analysis indicates that there is a strong linear relationship between LST and NDBI, whereas the relationship between LST and NDVI is much less strong and varies by season. This result suggests NDBI is an accurate indicator of SUHI effects and can be used as a complementary metric to the traditionally applied NDVI for analyzing LST quantitatively over the seasons for SUHI studies.

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