地理科学 ›› 2019, Vol. 39 ›› Issue (6): 1016-1024.doi: 10.13249/j.cnki.sgs.2019.06.017
收稿日期:
2018-08-22
修回日期:
2018-12-31
出版日期:
2019-06-10
发布日期:
2019-06-10
通讯作者:
胡德勇
E-mail:deyonghu@cnu.edu.cn
作者简介:
于琛(1993-),男,四川成都人,博士研究生,主要从事资源环境遥感方面研究。E-mail: 基金资助:
Chen Yu,Deyong Hu(),Yang Zhang,Shisong Cao,Xin Duan,Yani Zhang
Received:
2018-08-22
Revised:
2018-12-31
Online:
2019-06-10
Published:
2019-06-10
Contact:
Deyong Hu
E-mail:deyonghu@cnu.edu.cn
Supported by:
摘要:
基于Landsat遥感影像获取京津唐主体城区1995~2015年地表温度(Land Surface Temperature, LST)和不透水地表盖度(Impervious Surface Percentage, ISP)数据。采用热点聚集和阈值分割法,依据地表的温度和不透水盖度属性将京津唐主体城区划分成9种地表热场类型,分析并探讨地表热场的发展规律、年际变化状况和区域贡献作用。研究发现,京津唐主体城区地表温度与不透水地表盖度间存在显著的正向相关关系,两者分别呈现“阶梯降”和“两端高、中间低”的变化特征。京津唐主体城区地表热场的发展主轴保持在西北-东南方向,且随时间推移沿主轴呈聚集态势。 京津唐主体城区地表热场的影响范围在空间上持续扩张,对于不同的主体城区,其在整体区域的热场贡献中有差异化表现。
中图分类号:
于琛,胡德勇,张旸,曹诗颂,段欣,张亚妮. 近20年京津唐主体城区地表热场空间特征变化分析[J]. 地理科学, 2019, 39(6): 1016-1024.
Chen Yu,Deyong Hu,Yang Zhang,Shisong Cao,Xin Duan,Yani Zhang. Spatial Characteristics and Changes of Surface Thermal Field in Beijing-Tianjin-Tangshan Region in the Last Two Decades[J]. SCIENTIA GEOGRAPHICA SINICA, 2019, 39(6): 1016-1024.
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