Evaluation of regional background particulate matter concentration based on vertical distribution characteristics-Reference-Cited by-同舟云学术

Evaluation of regional background particulate matter concentration based on vertical distribution characteristics

Published:2015-10-07 Issue:19 Volume:15 Page:11165-11177
ISSN:1680-7324
Container-title:Atmospheric Chemistry and Physics
language:en
Short-container-title:Atmos. Chem. Phys.

Author:

Han S.,Zhang Y.,Wu J.,Zhang X.,Tian Y.,Wang Y.,Ding J.,Yan W.,Bi X.,Shi G.,Cai Z.,Yao Q.,Huang H.,Feng Y.

Abstract

Abstract. Heavy regional particulate matter (PM) pollution in China has resulted in an important and urgent need for joint control actions among cities. It is advisable to improve the understanding of the regional background concentration of PM for the development of efficient and effective joint control policies. With the increase of height the influence of source emission on local air quality decreases with altitude, but the characteristics of regional pollution gradually become obvious. A method to estimate regional background PM concentration is proposed in this paper, based on the vertical characteristics of periodic variation in the atmospheric boundary layer structure and particle mass concentration, as well as the vertical distribution of particle size, chemical composition and pollution source apportionment. According to the method, the averaged regional background PM2.5 concentration in July, August and September 2009, being extracted from the original time series in Tianjin, was 40 ± 20, 64 ± 17 and 53 ± 11 μg m−3, respectively.

Funder

National Natural Science Foundation of China

Publisher

Copernicus GmbH

Subject

Atmospheric Science

Link

https://acp.copernicus.org/articles/15/11165/2015/acp-15-11165-2015.pdf

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