Seasonal-vertical variations of Pb and their mechanisms in marine bay

被引:0
|
作者
Yang, Dongfang [1 ,4 ]
Chen, Yu [2 ]
Qu, Xiancheng [1 ]
Yang, Danfeng [3 ]
Zhang, Yinjiang [1 ]
机构
[1] Shanghai Ocean Univ, China Coll Life Sci, Shanghai 201306, Peoples R China
[2] Shanghai Ocean Univ, Coll Informat, Shanghai 201306, Peoples R China
[3] Fudan Univ, Coll Informat Sci & Engn, Shanghai 200433, Peoples R China
[4] SOA, North China Sea Environm Monitoring Ctr, Qingdao 266033, Peoples R China
关键词
Pb; Distribution; Seasonal variation; Vertical variation; Jiaozhou Bay; JIAOZHOU BAY; PLUMBUM; WATERS;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper analyzed the content, distribution, seasonal and vertical variations of Pb in Jiaozhou Bay based on investigation data in surface and bottom waters in different seasons in 1982 and 1983. Results showed the seasonal variations of Pb contents in surface and bottom waters were consist in generally. However, in case of Pb contents were high enough in summer, a large amount of Pb was absorbing and settling to the sea bottom under the force of gravity and current was the horizontal settling process of Pb, resulting in the higher Pb contents in bottom waters in autumn. The seasonal variations of Pb content in surface waters in Jiaozhou Bay were mainly determined by the variations of Pb source, while in bottom waters were determined by the Pb contents in surface waters and the vertical water's effect.
引用
收藏
页码:1970 / 1973
页数:4
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