Impacts of Urbanization on Air Temperature Observed by Suburban Stations Located Nearby Large Cities

JIN Kai; WANG Fei; XIA Lei; MU Xingmin

doi:10.13961/j.cnki.stbctb.2015.05.056

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Impacts of Urbanization on Air Temperature Observed by Suburban Stations Located Nearby Large Cities

- Impacts of Urbanization on Air Temperature Observed by Suburban Stations Located Nearby Large Cities
- Bulletin of Soiland Water Conservation Vol. 35, Issue 5, Pages: 302-308(2015)
- 作者机构：
  
  1. 西北农林科技大学水土保持研究所, 陕西杨凌,712100
  2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
  3. 中国科学院大学,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.05.056
  CLC：
- Published：2015
- 稿件说明：
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JIN Kai, WANG Fei, XIA Lei, et al. Impacts of Urbanization on Air Temperature Observed by Suburban Stations Located Nearby Large Cities[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 302-308.
DOI：

JIN Kai, WANG Fei, XIA Lei, et al. Impacts of Urbanization on Air Temperature Observed by Suburban Stations Located Nearby Large Cities[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 302-308. DOI： 10.13961/j.cnki.stbctb.2015.05.056.

摘要

[目的] 探讨城市化对城市附近地区气温变化的影响

了解区域尺度的气候及环境变化。[方法] 基于北京市及天津市附近气象站1973-2008年地面气温观测资料

综合城市规模、气象站与城市相对位置关系及风向因素

对气温的年变化和季节变化以及城市热岛(UHI)效应对城市附近气象站地面气温观测的影响程度(城市影响指数)进行分析

并估算气象站地面气温序列中的城市化影响偏差。[结果](1)由于城市化的影响

1973-2008年北京站远比天津站升温迅速

二者年平均气温的升温速率分别为0.65和0.17℃/10 a;(2) UHI对同一气象站的影响在不同季节差异很大

但总体上北京站所受影响远比天津站严重;(3)北京站及天津站地面气温序列中的城市化影响偏差巨大

且城市化对北京站及天津站年最低气温的增温贡献率最大

分别达56%和100%。[结论] 在进行区域气候及环境变化研究时

应当对城市附近地区的城市化影响予以关注。

Abstract

[Objective] The aim of this study is to explore the effect of urbanization on temperature change in regions nearby cities in order to realize the climate and enviroment change in regional scale.[Methods] Based on the temperature data recorded by meteorological stations nearby Beijing and Tianjin cities during 1973-2008

annual and seasonal temperature variations and the impact of urban heat island(UHI) on meteorological stations(known as urban impact indicator

Uii) were analyzed

with the consideration of urban size

relative position of meteorological station to city and winds. The bias in surface air temperature records was estimated as well.[Results] (1) Due to the influence of urbanization

the warming rate in Beijing station was faster than that in Tianjin station during 1973-2008

and the warming rate reached to 0.65℃/10 a and 0.17℃/10 a in Beijing station and Tianjin station

respectively.(2) The impacts of UHI on the same station were different in different seasons

and this impact was much more severe in Beijing station

compared to Tianjin station.(3) Urbanization had a strong influence on the surface temperatures in Beijing and Tianjin stations

and urbanization contributed the most to the warming of annual minimum temperature

and the contribution rate reached to 56% and 100% in two cities

respectively.[Conclusion] The impact of urbanization needs to be considered when studying regional climate change in the areas nearby cities.

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Keywords

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