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Lidar mapping of atmospheric atomic mercury in the Wanshan area, China
Ming Lian;  Lihai Shang;  Zheng Duan;  Yiyun Li;  Guangyu Zhao;  Shiming Zhu;  Guangle Qiu;  Bo Meng;  Jonas Sommar;  Xinbin Feng;  Sune Svanberg
2018
Source PublicationEnvironmental Pollution
Volume240Pages:353-358
Abstract

A novel mobile laser radar system was used for mapping gaseous atomic mercury (Hg-0) atmospheric pollution in the Wanshan district, south of Tongren City, Guizhou Province, China. This area is heavily impacted by legacy mercury from now abandoned mining activities. Differential absorption lidar measurements were supplemented by localized point monitoring using a Lumex RA-915M Zeeman modulation mercury analyzer. Range-resolved concentration measurements in different directions were performed. Concentrations in the lower atmospheric layers often exceeded levels of 100 ng/m(3) for March conditions with temperature ranging from 5 degrees C to 20 degrees C. A flux measurement of Hg-0 over a vertical cross section of 0.12 km(2) resulted in about 29 g/h. Vertical lidar sounding at night revealed quickly falling Hg-0 concentrations with height. This is the first lidar mapping demonstration in a heavily mercury-polluted area in China, illustrating the lidar potential in complementing point monitors. (C) 2018 Elsevier Ltd. All rights reserved.

KeywordDifferential Absorption Lidar Wanshan Gaseous Atomic Mercury Concentration Mapping
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/8828
Collection环境地球化学国家重点实验室
Affiliation1.Center for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, Science Building 5, South China Normal University, University City Campus, Guangzhou 510006, China
2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
3.Department of Physics, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
Recommended Citation
GB/T 7714
Ming Lian;Lihai Shang;Zheng Duan;Yiyun Li;Guangyu Zhao;Shiming Zhu;Guangle Qiu;Bo Meng;Jonas Sommar;Xinbin Feng;Sune Svanberg. Lidar mapping of atmospheric atomic mercury in the Wanshan area, China[J]. Environmental Pollution,2018,240:353-358.
APA Ming Lian;Lihai Shang;Zheng Duan;Yiyun Li;Guangyu Zhao;Shiming Zhu;Guangle Qiu;Bo Meng;Jonas Sommar;Xinbin Feng;Sune Svanberg.(2018).Lidar mapping of atmospheric atomic mercury in the Wanshan area, China.Environmental Pollution,240,353-358.
MLA Ming Lian;Lihai Shang;Zheng Duan;Yiyun Li;Guangyu Zhao;Shiming Zhu;Guangle Qiu;Bo Meng;Jonas Sommar;Xinbin Feng;Sune Svanberg."Lidar mapping of atmospheric atomic mercury in the Wanshan area, China".Environmental Pollution 240(2018):353-358.
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