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Analyses of Air Pollution Characteristics and Potential Sources in Shahe City, Xingtai during the Winter
Author:
Affiliation:

1. Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, Fujian Province 361021;2. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;3. University of Chinese Academy of Sciences, Beijing 100049;4. Chengdu University of Information Technology, Chengdu 610103;5. Zhengzhou University, Zhengzhou 450001

Fund Project:

Natural Science Foundation of China NSFC, Grant 41675128 Natural Science Foundation of China (NSFC, Grant 41675128)

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    Abstract:

    To study the air pollution characteristics in Shahe, Xingtai, Hebei Province in the winter, the air monitoring data collected at three monitoring sites from December 2017 to February 2018 are analyzed. Spatial and temporal characteristics and potential sources of major pollutants in Shahe are analyzed. The study reveals that the average mass concentrations of PM2.5 in the sites of Sifaju, Shizhengfu, and Xuanchuanzhongxin stations are 118.0, 121, and 135 μg/m3, respectively. Under the joint effects of natural and anthropogenic emissions, the major pollutants display an obvious diurnal variation. Over the whole campaign period, mean values of ρ(PM2.5)/ρ(PM10) and ρ(SO2)/ρ(NO2) are 0.57 and 1.05 (ρ ispollutant concentration), respectively. With the aggravation of air pollution, both ρ(PM2.5)/ρ(PM10) and ρ(SO2)/ρ(NO2) raise sharply, which demonstrate the increase in coal combustion. Analyses of spatial characteristics of pollutants illustrate that pollutants produced by glass enterprises located to the northeast of the three sites may have an impact on the monitoring sites. Analyses of spatial variation of air pollution reveal that the more severe the pollution, the smaller the spatial difference. For Shahe, local and surrounding cities are strong potential sources of PM2.5.With increases in PM2.5 concentration, the areas of strong PM2.5 source shrink. It is also found that local emission sources in southeastern Shahe, where most of glass factories are located, make a major contribution to high PM2.5 concentration in Shahe.

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刘晓咏,王自发,王大玮,向伟玲,潘小乐,刘航,田雨,张瑜,王刘铭,李杰,苏方成,贺泓.2019.邢台沙河市冬季大气污染特征与潜在源区分析[J].气候与环境研究,24(3):313-323. LIU Xiaoyong, WANG Zifa, WANG Dawei, XIANG Weiling, PAN Xiaole, LIU Hang, TIAN Yu, ZHANG Yu, WANG Liuming, LI Jie, SU Fangcheng, HE Hong.2019. Analyses of Air Pollution Characteristics and Potential Sources in Shahe City, Xingtai during the Winter[J]. Climatic and Environmental Research (in Chinese],24(3):313-323.

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History
  • Received:September 15,2018
  • Revised:
  • Adopted:
  • Online: June 04,2019
  • Published: