Atmospheric Mercury Pollution in the Xi'an Area, China, Studied by Differential Absorption Lidar

被引：2
|
作者：
Duan, Zheng [1 ,2 ,3 ,4 ]
Zhao, Guangyu [1 ,2 ,3 ]
Zhu, Shiming [1 ,2 ,3 ]
Lian, Ming [1 ,2 ,3 ]
Li, Yiyun [1 ,2 ,3 ]
Zhang, Weixing [5 ]
Svanberg, Sune [1 ,2 ,3 ,6 ]
机构：
[1] South China Normal Univ, Natl Ctr Int Res Green Optoelect, Guangzhou 510006, Peoples R China
[2] South China Normal Univ, South China Acad Adv Optoelect, Guangdong Prov Key Lab Opt Informat Mat & Technol, Guangzhou 510006, Peoples R China
[3] South China Normal Univ, South China Acad Adv Optoelect, Ctr Opt & Electromagnet Res, Guangzhou 510006, Peoples R China
[4] Chinese Acad Sci, Innovat Acad Microsatellites, Shanghai 201203, Peoples R China
[5] Emperor Qin Shihuangs Mausoleum Museum, Xian 710600, Peoples R China
[6] Lund Univ, Dept Phys, SE-22100 Lund, Sweden
来源：
ATMOSPHERE | 2021年 / 12卷 / 01期
关键词：
mercury; pollution; lidar; remote sensing; Xi’ an;
D O I：
10.3390/atmos12010027
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 the atmospheric concentration of polluting atomic mercury were performed using the differential absorption lidar (DIAL) technique in the Lintong district, about 35 km northeast of Xi'an, the capital of the Shaanxi province, China. Concentrations ranging from 2 to 13 ng/m(3) were observed. As uniquely enabled by the lidar technique, representative average concentrations, integrated over a considerable volume, were recorded and put in relation to weather conditions, and vertical concentration profiles were measured. Considerable local non-uniformities were also observed, which may indicate the presence of localized hot-spots in the area, possibly related to ancient tombs.
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页码：1 / 12
页数：12
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