DETECTING CHANGING TRAJECTORY OF URBAN HEAT ISLAND USING GAUSSIAN MODEL IN BEIJING, CHINA

被引：0

作者：

Quan, Jinling ^{[1
]}

Chen, Yunhao ^{[1
]}

Zhan, Wenfeng ^{[2
]}

Zhou, Ji ^{[3
]}

机构：

[1] Beijing Normal Univ, Coll Resources Sci & Technol, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China

[2] Nanjing Univ, Int Inst Earth Syst Sci, Jiangsu Provincial Key Lab Geog Informat Sci & Te, Nanjing, Jiangsu 210093, Peoples R China

[3] Univ Elect Sci & Technol China, Sch Resources & Environm, Chengdu 611731, Peoples R China

来源：

2013 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2013年

基金：

高等学校博士学科点专项科研基金;

关键词：

Urban heat island; Land surface temperature; Gaussian model; Beijing; MODIS;

D O I：

10.1109/IGARSS.2013.6723669

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Changing trajectory of urban heat island (UHI) in Beijing from 2004 to 2008 was determined by Gaussian model using daily MODIS/LST data for exploring the general variation of UHI location and distribution characteristics. The results showed that the daytime UHI centroid annually moved along southwest-northeast direction during the period and seasonally varied with a northeast-southwest direction in a large range, while the nighttime UHI in April-June and October-December had a southward trend and that in other months moved along east-west direction near the city core. The spatial characteristics of the summer daytime UHI was primarily correlated with NDVI, while that of the nighttime UHI was mainly related to NIR/SW albedo in 2004-2005, but to NDVI after 2006. Finally, a considerable expanse of UHI was observed in the day of 2007, and a contrast seasonal change of UHI magnitude, extent and volume happened between the day and night.

引用

页码：3841 / 3844

页数：4

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