京津冀地区城市地表因素对灰霾污染的影响

郑林昌; 任肖妮; 韩星

doi:10.12153/j.issn.1674-991X.20200075

京津冀地区城市地表因素对灰霾污染的影响

doi: 10.12153/j.issn.1674-991X.20200075

河北大学经济学院

详细信息

作者简介:
郑林昌(1978—),男,教授,博士,主要研究方向为产业经济、区域经济,zhenglinchang@126.com

中图分类号: X513
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- 文章访问数: 475
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- 被引次数: 0
出版历程
- 收稿日期: 2020-03-30
- 刊出日期: 2021-01-20

Influence of urban surface on haze pollution in Beijing-Tianjin-Hebei region

College of Economics, Hebei University

摘要

摘要: 城市灰霾污染的形成不仅与城市大气污染物排放有关,还有可能与城市地表起伏度、城市建筑形态乃至城市规模等有关,因而判断城市地表各要素对灰霾污染的影响对于城市灰霾污染治理具有重要意义。采集2014—2017年京津冀地区13个城市的PM_2.5日均浓度,从地形坡度、城市地表形态、城市规模对PM_2.5日均浓度进行回归分析。结果表明:京津冀地区城市辖区的地表起伏度,尤其是地表粗糙度更能解释PM_2.5浓度,且影响是负向的;城市规模对PM_2.5浓度没有太大影响;城市地表形态对PM_2.5浓度的影响很小。
- 灰霾 /
- 地表起伏度 /
- 城市地表形态 /
- 城市规模 /
- 京津冀地区
Abstract: The formation of urban haze pollution is not only related to the emission of urban air pollutants, but also may be affected by the fluctuation of urban surface, urban architectural form and even urban scale. Therefore, it is of great significance to judge the influence of urban surface elements on haze pollution for the treatment of urban haze pollution. The daily average concentration of PM_2.5 are collected from 13 cities in Beijing-Tianjin-Hebei region from 2014 to 2017, and the regression analysis of daily average concentration of PM_2.5 is carried out from the perspective of terrain slope, urban form and urban scale. The results show that: in the urban area of Beijing-Tianjin-Hebei the surface fluctuation, especially the surface roughness can better explain the PM_2.5 concentration, and the influence direction is negative. City size does not have a great impact on PM_2.5 concentration, and the urban morphology can not explain the PM_2.5 concentration.
- haze /
- surface relief /
- urban form /
- city size /
- Beijing-Tianjin-Hebei region

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参考文献(21)

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