Pollution level and source of Hg in Jiaozhou Bay 1987

3rd International Conference on Energy Materials and Environment Engineering

能源学;生态环境科学

Yang, Dongfang^1,2,4 ; Yang, Danfeng^3 ; Zhu, Sixi^1,2 ; Wang, Ming^1,2 ; Chai, Jianxun^1,2

Research Center for Karst Wetland Ecology, Guizhou Minzu University, Guizhou Guiyang, Guizhou Guiyang, China^1

College of Chemistry and Environmental Science, Guizhou Minzu University, Shanghai

550025, China^2

College of Information Science and Engineering, Fudan University, Shanghai

200433, China^3

North China Sea Environmental Monitoring Center, SOA, Qingdao

266033, China^4

关键词: Environmental issues;    Hg pollution;    Hg sources;    Jiaozhou Bay;    Pollution level;    River flow;    Source strength;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/61/1/012051/pdf
DOI  :  10.1088/1755-1315/61/1/012051

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Hg pollution in marine bays has been one of the most critical environmental issues, and it is necessary to understand the distribution, pollution level and sources of Hg. Based on the investigation data on Hg in Jiaozhou Bay in May, July and November 1987, this paper analyzed the content, pollution level, and sources of Hg. Results showed that Hg contents in surface waters in Jiaozhou Bay in May, July and November 1987 were 0.150-0.264 μg L-1, 0.088-1.104 μg L-1and 0.007-0.088 μg L-1, respectively. The two major Hg sources in Jiaozhou Bay were river flow and marine current, whose source strengths were 0.264-1.104 μg L-1and 0.088-0.376 μg L-1, respectively. The source strength of river flow could be worse than Grade IV while the source strength of marine current was Grade III and IV, indicated that the pollution level of Hg in land river had reached a relative high level in 1987. These findings provided basis for the research and pollution control countermeasures.