Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29552
Title: Distribution of mercury in coastal marine sediments of China : sources and transport
Authors: Meng, M
Shi, JB
Yun, ZJ
Zhao, ZS
Li, HJ
Gu, YX
Shao, JJ
Chen, BW
Li, XD 
Jiang, GB
Keywords: China Sea
Mapping
Mercury
Sediment
Transport
Issue Date: 2014
Publisher: Pergamon Press
Source: Marine pollution bulletin, 2014, v. 88, no. 1-2, p. 347-353 How to cite?
Journal: Marine pollution bulletin 
Abstract: A total of 220 surface sediments and eight sediment cores were analyzed to study the distribution and transport of Hg in Chinese marginal seas. Spatial distribution showed a general offshore decreasing trend towards the outer continental shelf. Vertical profiles of sediment cores displayed a general increasing trend from bottom to surface layers. Coastal land-based discharges and river-derived inputs are probably the main sources of Hg in coastal sediments of China seas, while TOC, pH, ocean currents and sediment characteristics could play important roles in the transport and spatial distribution of Hg in sediment. The influence of TOC on Hg concentration is more significant than that of pH. The mud deposits on the coastal shelves are main sinks of Hg in the region. The results showed that sedimentary Hg was affected by regional anthropogenic activities and riverine runoffs, and was also influenced by long-range atmospheric transport and ocean current circulations.
URI: http://hdl.handle.net/10397/29552
ISSN: 0025-326X
DOI: 10.1016/j.marpolbul.2014.08.028
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