STUDY OF HAZE POLLUTION DURING WINTER IN WUHAN, CHINA

被引：0

作者：

Liu, Boming ^{[1
]}

Ma, Yingying ^{[1
,2
]}

Gong, Wei ^{[1
,2
]}

Zhang, Tianhao ^{[1
]}

Shi, Yifan ^{[1
]}

机构：

[1] Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430079, Hubei, Peoples R China

[2] Collaborat Innovat Ctr Geospatial Technol, Wuhan 430079, Hubei, Peoples R China

来源：

IGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2018年

基金：

中国国家自然科学基金;

关键词：

Secondary pollution; Haze pollution; PM2.5; Satellite; Central China;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Comprehensive research was conducted to analyze the characteristics of haze pollution during winter in Wuhan based on data for winter 2014-2015. The results demonstrated that haze pollution could be divided into two types. Type-1 lasted for 1-2 days and peak values of PM2.5 exceeded 200 ug.m(-3). Type-2 displayed a long duration of 5-6 days, and the hourly concentrations of PM2.5 ranged from 100 to 200 ug.m(-3). Meanwhile, our results showed that type-1 haze pollution was mainly due to photochemical pollution process caused by high relative humidity (RH). Type-2 haze pollution was mainly caused by the accumulation of anthropogenic pollutants near the surface. Both haze pollution in winter was mainly fine-mode particles, and sometimes coarse-mode particles appeared. The characteristics of haze pollution revealed in this study can be used in regional climate modeling and can provide guidance to the government regarding prevention of haze pollution over central China.

引用

页码：7568 / 7571

页数：4

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