[1]冯晓刚,撒利伟,许五弟,等.快速城镇化背景下城市热岛演变特征及成因分析[J].西安建筑科技大学学报:自然科学版,2015,47(04):565-570.[doi:10.15986/j.1006-7930.2015.04.018]
　FENG Xiaogang,SA Liwei,XU Wudi,et al.Analysis of the characteristics and causes of the evolution of the urban heat island amidist the of rapid urbanization[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(04):565-570.[doi:10.15986/j.1006-7930.2015.04.018]
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快速城镇化背景下城市热岛演变特征及成因分析()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年04期
页码:
565-570
栏目:
出版日期:
2015-08-31

文章信息/Info

Title:
Analysis of the characteristics and causes of the evolution of the urban heat island amidist the of rapid urbanization
文章编号:
1006-7930(2015)04-0565-6
作者:
冯晓刚;  撒利伟; 许五弟;  李凤霞; 李 萌;  周在辉
西安建筑科技大学建筑学院， 陕西 西安710055
Author(s):
FENG Xiaogang;  SA Liwei;  XU Wudi;  LI Fengxia;  LI Meng;  ZHOU Zaihui
 School of Architecture, Xi′an Univ. of Arch. & Tech., Xi′an 710055, China
关键词:
西咸一体化; 城市热岛; 演变特征; 转移矩阵; 主成分分析; 中误差
Keywords:
the integration of Xi′an-xianyang city;  urban heat island;  evolution characteristic;  transfer matrix;  principal component
分类号:
TU18
DOI:
10.15986/j.1006-7930.2015.04.018
文献标志码:
A
摘要:
以快速城镇化为研究背景，以西咸一体化为样区，基于Landsat TM 热红外波段数据，采用单窗算法反演地表温度，获得了1988、2000 和2010 年三个不同时相西咸地区热岛空间分布及演变特征，并借助主成分分析的方法探讨了西咸一体化背景下城市热岛的演变成因，结果表明：①西咸一体化致使西咸地区热岛效应加剧，表现为22 年间热岛区域面积累计增加
95.79 km2；②热岛区域面积的增加主要来源于强热岛区和常温区面积减少的流入；同时，绿岛区域是西咸区域内变化仅次于常温区域的热岛类型，累计增加161.72 km2；③22 年间西咸地区强热岛区域表现为由面及点的发展趋势，而热岛区域则呈现摊大饼式的面状扩展模式；④PCA 分析表明：城市人口、建成区面积、人均道路面积、人均绿化面积、平均风速和降水量6 个影响因子为西咸一体化进程中城市热岛演变特征的主要影响因素．
Abstract:
Based on the thermal band data of Landsat TM and by using mono-window algorithm for surface temperature inversion, this paper studied the dynamic characteristics and the causes of the urban heat island Xi′an-Xianyang City from 1988 to 2010. By using the PCA method, the paper also studied the evolution characteristics and causes. The results show that:(1).The heat island effect of the Xi′an - Xianyang City turned worse with the urbanization and the performance for the area of heat island zone continued to increase up to 95.79 km2 within 22 years.(2). Flows into the heat island area increase comes mainly from the strong heat island area and normal area reduced. At the same time, the green island area is the biggest island types after the normal temperature area in the past 22 years in the Xi′an-Xianyang City,with a cumulative increase of 161.72 km2.(3).The performance of the strong heat island area developed from planar to points in the past 22 years in Xi′an-Xianyang City area, and the heat island area is the development model of the pie style.(4).The PCA analysis results show that the main influence factors are the urban population,build-up area, the per capita road area, the per capita green area, the average wind speed and precipitation of the Xi′an - Xianyang Integration process heat island evolution characteristics.

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　FENG Xiao-gang,SA Li-wei,SHI Hui.Study on the urban heat island effect based on the PCA of multi-purpose[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2012,44(04):507.[doi:10.15986/j.1006-7930.2012.04.010]
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备注/Memo

备注/Memo:
收稿日期：2014-03-24 修改稿日期：2015-08-01
基金项目：陕西省自然科学基金青年人才基金资助（2013JQ5011)；陕西省教育厅专项基金资助（11KJ0756）
作者简介：冯晓刚（1979-），男，讲师，博士，主要从事全息化古遗址保护与环境遥感方面的研究.E-mail：fendao_ren@163.com
更新日期/Last Update: 2015-10-30