Characteristics and potential sources of atmospheric particulate mercury in Jinan, China

被引：39

作者：

Li, Yaxin ^{[1
]}

Wang, Yan ^{[1
]}

Li, Yan ^{[2
]}

Li, Tao ^{[1
]}

Mao, Huiting ^{[3
]}

Talbot, Robert ^{[4
]}

Nie, Xiaoling ^{[1
]}

Wu, Chen ^{[1
]}

Zhao, Yanfang ^{[5
]}

Hou, Chenxiao ^{[5
]}

Wang, Guirong ^{[6
]}

Zhou, Jie ^{[2
]}

Qie, Guanghao ^{[1
]}

机构：

[1] Shandong Univ, Sch Environm Sci & Engn, Jinan 250100, Peoples R China

[2] Shandong Prov Environm Informat & Monitoring Ctr, Jinan 250101, Peoples R China

[3] SUNY Coll Environm Sci & Forestry, Dept Chem, Syracuse, NY 13210 USA

[4] Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA

[5] Environm Monitoring Cent Stn Shandong Prov, Jinan 250101, Peoples R China

[6] SUNY Upstate Med Univ, Dept Surg, Syracuse, NY 13210 USA

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2017年 / 574卷

基金：

美国国家科学基金会;

关键词：

Atmospheric particulate mercury; Source analysis; Meteorological parameter; Cluster analysis; Jinan; SPECIATED MERCURY; INLAND SITES; NEW-ENGLAND; URBAN; EMISSIONS; COASTAL; MARINE; PM2.5; CITY; IDENTIFICATION;

D O I：

10.1016/j.scitotenv.2016.08.069

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Measurements of atmospheric particulate mercury (PHg) were conducted at a suburban site in Jinan, China from June 2014 to December 2015. The average PHg concentration was 508.5 +/- 402.7 pg m(-3), and the average Hg content in PM2.5 (particles with a diameter of 2.5 mu m or less) was 6.60 +/- 5.82 mu g g(-1). Both PHg and Hg content in PM2.5 aerosols were comparable to levels in some cities in China and were much higher than in cities in North America and Europe. Weak correlations were found between PHg and meteorological parameters. The correlations between PHg and other pollutants in ambient air, including SO2, CO and NO chi, together with their wind dependence were used for source analysis, which suggested coal-fired industries, cement plants and traffic emissions as potential local sources for the site. Cluster analysis of 36-h backward trajectories suggested that the regional transport from southwestern Shandong Province also contributed to PHg in Jinan. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：1424 / 1431

页数：8

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