广东工业大学学报 ›› 2021, Vol. 38 ›› Issue (02): 53-59.doi: 10.12052/gdutxb.200090

• 综合研究 • 上一篇    下一篇

基于Landsat的广州市热岛效应时空变化分析

陈炳杰, 陈佩敏, 黄泽鹏, 吴希文, 王华   

  1. 广东工业大学 土木与交通工程学院, 广东 广州 510006
  • 收稿日期:2020-07-15 出版日期:2021-03-10 发布日期:2021-01-13
  • 通信作者: 吴希文(1983-),男,教授,博士生导师,主要研究方向为InSAR,E-mail:hayman.ng@foxmail.com E-mail:hayman.ng@foxmail.com
  • 作者简介:陈炳杰(1995-)，男，硕士研究生，主要研究方向为遥感影像处理与地表形变监测
  • 基金资助:
    广东省自然科学基金资助项目(2018A030310538)；广州市科技计划项目(201904010254)；广东工业大学大学生创新训练资助项目(xj202011845274)

A Spatiotemporal Analysis of Heat Island Effect in Guangzhou Based on Landsat

Chen Bing-jie, Chen Pei-min, Huang Ze-peng, Ng Alex Hay-Man, Wang Hua   

  1. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2020-07-15 Online:2021-03-10 Published:2021-01-13

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摘要： 利用1995年~2019年间的15景的Landsat-8 OLI/TIRS及Landsat-5 TM影像的热红外波段, 采用大气校正法和单窗算法反演广州市的地表温度。通过对研究结果进行时空分析可知, 自1995年~2019年, 广州市的热岛面积先处于稳定阶段, 然后在2001年~2014年间整体呈快速增长趋势, 于2014年后以缓慢速度减少。结果表明, 热岛效应得到缓解的地区为旧城区, 其变化原因可能与工业区外迁、绿化改善等原因有关。热岛空间分布格局由中心集聚型, 逐渐向南北方向和东方向蔓延, 演变成带状主导、多中心围绕的空间分布特征, 其变化的趋势与城市发展模式基本一致。

关键词: 热岛, 温度反演, 广州, Landsat

Abstract: 15 Landsat-8 OLI/TIRS and Landsat-5 TM images from 1995 to 2019 were used to retrieve the land surface temperature in Guangzhou by atmospheric correction and mono-window algorithm. According to the spatiotemporal analysis of the results, from 1995 to 2019, the area of Guangzhou's heat island began to be in a stable stage, then it showed a rapid growth trend from 2001 to 2014, and then decreased at a slow rate after 2014. The results show that the areas where the heat island effect has been alleviated are old urban areas, and the reasons for the change may be related to the relocation of industrial areas and the improvement of greening. The spatial distribution pattern of heat islands was agglomerated from the center, gradually spreading to the north-south direction and the east direction, and then evolved into a strip-shaped dominant, multi-center spatial distribution characteristic. Its changing trend was basically consistent with the urban development mode.

Key words: heat island, temperature retrieval, Guangzhou, Landsat

中图分类号: 

  • TP79
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