[1]杨丽萍,王乐,孙晓辉,等.基于遥感的西安市热力景观格局演变[J].水土保持研究,2017,24(01):250-255,264.
　YANG Liping,WANG Le,SUN Xiaohui,et al.Evolution of the Thermal Landscape Patterns in Xi’an City Based on Remote Sensing[J].Research of Soil and Water Conservation,2017,24(01):250-255,264.
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基于遥感的西安市热力景观格局演变

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年01期 页码: 250-255,264 栏目: 出版日期: 2017-02-28
Title:
Evolution of the Thermal Landscape Patterns in Xi’an City Based on Remote Sensing
作者:
杨丽萍1, 王乐1,2, 孙晓辉1, 刘晶1
1. 长安大学 地球科学与资源学院, 西安 710054;
2. 航天天绘科技有限公司西安分公司, 西安 710100
Author(s):
YANG Liping1, WANG Le1,2, SUN Xiaohui1, LIU Jing1
1. School of Earth Science and Resources, Chang’an University, Xi’an 710054, China;
2. Xi’an Aerospace Remote Sensing Data Technology Co., Ltd., Xi’an 710100, China
关键词:
地表温度; 热环境; 景观格局; 遥感; 西安市
Keywords:
land surface temperature; thermal environment; landscape pattern; remote sensing; Xi’an City
分类号:
TP79;X16
摘要:
基于1992—2013年3期Landsat系列遥感影像，反演出了西安市的地表温度，采用温度归一化分级方法对地表温度进行等级划分，并引入景观生态学中景观格局的研究方法，通过热力景观指数分析，对西安市热力景观格局及其演变特征进行了探讨。结果表明：1992—2013年西安市的热岛效应逐年增强，热力景观格局呈现出较大的时空差异。20多年来，热力景观从以次中温区为优势斑块连片分布的空间格局，转变为以次高温区、中温区等多种热力斑块镶嵌散布的空间格局，热力景观的破碎化程度不断提高，各热力斑块分配的均匀度、景观格局的丰富度和复杂度均稳步增加，人类活动对热环境的扰动持续而稳定。
Abstract:
Three Landsat images of Xi’an from 1992 to 2013 were used to retrieve land surface temperatures (LST), which were then classified into 5 classes by means of a normalized classification method. The thermal landscape patterns and the evolution characteristics were discussed through the analysis of thermal landscape indexes by using the research method introduced from landscape ecology. The results showed that the heat island intensity increased and the thermal landscape pattern presented great spatiotemportal difference. Dominated by large areas of sub-middle temperature region in 1992, the thermal landscape has changed to a mosaic distribution pattern mixed by multi-thermal landscape patches, including sub-high temperature region, middle temperature region and so on in 2013. The fragmentation degree intensified, and the degree of uniformity, richness and complexity enhanced steadily. Human activities have long term and steady disturbance to the urban thermal environment.

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备注/Memo

收稿日期:2016-01-28;改回日期:2016-03-20。
基金项目:国家自然科学基金（41371220）；中央高校基本科研业务费专项资金（0009-2014G2270012）
作者简介:杨丽萍(1968-),女,陕西耀县人,博士,副教授,主要从事定量遥感及3S应用研究。E-mail:zylpyang@chd.edu.cn

更新日期/Last Update: 1900-01-01