基于MODIS地面温度数据的成都市热岛时空变化

doi:10.11870/cjlyzyyhj201601019

长江流域资源与环境 >> 2016, Vol. 25 >> Issue (01): 156-162.doi: 10.11870/cjlyzyyhj201601019

基于MODIS地面温度数据的成都市热岛时空变化

陈颖锋^1,2, 王玉宽¹, 傅斌¹, 刘勤¹, 王跚^1,3

1. 中国科学院成都山地灾害与环境研究所, 四川成都 610041;
2. 中国科学院大学, 北京 100049;
3. 成都理工大学, 四川成都 610061

收稿日期:2015-04-27 修回日期:2015-06-23 出版日期:2016-01-20
通讯作者: 王玉宽 E-mail:wangyukuan@imde.ac.cn
作者简介:陈颖锋(1985~),男,博士研究生,主要从事山区城镇化发展的生态环境效应研究.E-mail:inphone@163.com
基金资助:
国家自然科学基金项目:三峡库区农户生计与生态服务耦合关系与调控机制(41371539)[National Natural Science Foundation of China:Coupled relationship and regulation mechanism between rural livelihoods and ecosystem services in the Three Gorges Reservoir Area];成渝城市群生态环境十年变化遥感调查项目(STSN-12-00)[Remote sensing investigation of ecological environment changes in Chengdu-ChongqingUrban Agglomeration from 2000 to 2010]

SPATIOTEMPORAL VARIATIONS OF URBAN HEAT ISLAND IN CHENGDU CITY USING MODIS LAND SURFACE TEMPERATURE DATA

CHEN Ying-feng^1,2, WANG Yu-kuan¹, FU Bin¹, LIU Qin¹, WANG Shan^1,3

1. Institude of Mountain Hazards and Evironment, Chinese Academy of Sciences, Chengdu 610041, China;
2. University of Chinese Academy of Science, Beijing 100049, China;
3. Chengdu University of Technology, Chengdu 610061, China

Received:2015-04-27 Revised:2015-06-23 Online:2016-01-20

摘要/Abstract

摘要： 研究利用2000、2005和2010年逐月的MODIS/Terra和MODIS/Aqua卫星的地表温度数据产品,通过等间距法进行分析,得出成都市建成区2000~2010年间昼夜热岛的时空变化以及相互间差异。研究结果表明:成都市昼夜热岛存在显著差异,日间热岛主要呈散点分布,夜间热岛集中在城市中心区域。日夜间热岛变化趋势有显著不同,日间热岛继续分散而夜间热岛范围则有所扩大。日间热岛分布与植被覆盖存在一定的负相关性,但道路也在一定程度上促使了地面温度的增加,夜间城市热岛范围及变化则与其下垫面组成存在关系。

关键词: MODISLST, 等间距法, 成都市建成区, 不透水地表

Abstract: Using the monthly MODISTerra and MODISAqua Land Surface Temperature data in the year of 2000, 2005 and 2010, we obtained the temporal and spatial variations of urban heat island during the daytime and nighttime in Chengdu built-up area, and evaluated their differences using the Equal Interval Method. The results showed that:There was significant difference of heat island between daytime and nighttime. Heat island presented a scatter distribution during the daytime and a concentrated distribution in the urban center area during the nighttime. Daytime heat island continued to spread and nighttime heat island scope had widened in the past 10 years. There is a negative correlation between the distribution of heat island and vegetation cover, and the roads also increased the land surface temperature. Nighttime heat island was correlated with underlying surface composition.

Key words: MODISLST, temperature separation algorithm, Chengdu Built-up area

中图分类号:

F301.2

陈颖锋, 王玉宽, 傅斌, 刘勤, 王跚. 基于MODIS地面温度数据的成都市热岛时空变化[J]. 长江流域资源与环境, 2016, 25(01): 156-162.

CHEN Ying-feng, WANG Yu-kuan, FU Bin, LIU Qin, WANG Shan. SPATIOTEMPORAL VARIATIONS OF URBAN HEAT ISLAND IN CHENGDU CITY USING MODIS LAND SURFACE TEMPERATURE DATA[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(01): 156-162.

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