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J4  2010, Vol. 44 Issue (12): 2348-2353    DOI: 10.3785/j.issn.1008-973X.2010.12.019
土木工程     
城市住区热环境可控影响因素定量分析
王伟武, 张雍雍
浙江大学 城市规划工程与信息技术研究所,浙江 杭州 310058
Quantitative analysis of controllable factors affecting thermal
environment in city residential area
WANG Wei-wu, ZHANG Yong-yong
Institute of Urban Planning Engineering and Information Technology, Zhejiang University, Hangzhou 310058, China
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摘要:

以杭州城西52个不同类型住区为例,基于杭州夏季Landsat5 TM 数据和遥感图像解译方法提取了不同住区的地表温度、植被指数和反照率,同时结合目视解译和现场调查,分别计算了不同住区的建筑密度、容积率、平均建筑高度等建设指标.采用线性相关与多元回归分析方法分析城市地表温度与植被指数、地表反照率、容积率、建筑密度等指标之间的定量关系.结果表明:城市热环境与其人为可控影响因素的相关性大小依次为:植被指数>地表反照率>建筑密度>建筑高度>容积率;加强城市住区绿化建设、采用高反照率材料是改善住区热环境的有效手段;适度减少建筑密度和提高容积率可以缓解城市紧凑发展与城市热环境恶化之间的矛盾.

Abstract:

Fifty-two different kinds of residential areas were chosen as the samples and the land surface temperature(LST), index of forestation, and albedo were obtained based on the data from Landsat 5 TM of Hangzhou in summer and the remote sensing image interpretation methods. Also, the construction density, floor area ratio and the average height of different residential areas were calculated by visual interpreting and investigation on the spot. The relationship between factors were quantitatively analyzed by the linear correlation and multiple regression analysis. The results show that the relative relationship between city thermal environment and controllable influent factors can be listed as: index of forestation >albedo>construction density> building height > floor area ratio. To improve the thermal condition of residential area, the green areas of residential area should been increased and high reflectivity material can been used. Meanwhile, the reduction of construction density and increase of the floor area ratio at the same time can ameliorate the conflict between compact city development and deteriorating of the city thermal environment.

出版日期: 2010-12-01
:  X 16  
基金资助:

国家“863”高技术研究发展计划资助项目(2007AA12Z232).

作者简介: 王伟武(1972—),男,浙江永康人,副教授,从事遥感与GIS技术在城市规划和环境科学中的应用研究. E-mail: weiwuwang@zju.edu.cn
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引用本文:

王伟武, 张雍雍. 城市住区热环境可控影响因素定量分析[J]. J4, 2010, 44(12): 2348-2353.

WANG Wei-wu, ZHANG Yong-yong. Quantitative analysis of controllable factors affecting thermal
environment in city residential area. J4, 2010, 44(12): 2348-2353.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2010.12.019        http://www.zjujournals.com/eng/CN/Y2010/V44/I12/2348

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