太原市地表热环境时空格局分析Study of spatial-temporal patterns of surface thermal environment based on Landsat8 in Taiyuan city
晋美俊,李俊明
摘要(Abstract)：
针对鲜有资源型城市的地表热环境研究这一情况,该文基于Landsat8遥感数据,反演了太原市在2013—2015年间共3期的地表温度。提出一个考虑空间格局结构的城市热岛效应指数,在3期数据中,太原市区整体热岛效应指数分别为9.1%、9.8%和8.9%;同时,根据城市功能和路网结构将太原市区划分为6个分区,从分区级层面量化分析了地表热环境的时空分异特征规律,结果表明,太原市区地表温度整体呈现空间分散化特征,不同分区也呈现出不同的时空格局演变过程;最后,选取40个地表温度实测样本点验证反演精度,最大误差绝对值为1.1℃,最小误差绝对值为0.2℃,均方根误差为0.7℃。
关键词(KeyWords)： 地表温度;Landsat8;劈窗算法;热岛效应
基金项目(Foundation): 国家青年自然科学基金项目(51308370)
作者(Author): 晋美俊,李俊明
DOI: 10.16251/j.cnki.1009-2307.2016.06.015
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