Assessment of metal enrichments in tsunamigenic sediments of Pichavaram mangroves, southeast coast of India

被引：0
|
作者：
Rajesh Kumar Ranjan
Al. Ramanathan
Gurmeet Singh
S. Chidambaram
机构：
[1] Jawaharlal Nehru University,Biogeochemistry Laboratory, School of Environmental Sciences
[2] University of Antwerp “Campus Drie Eiken”,Department of Biology, Ecosystem Management Research Group
[3] Annamalai University,Department of Earth Sciences
来源：
Environmental Monitoring and Assessment | 2008年 / 147卷
关键词：
Tsunami; Sediments; Heavy metals; Pichavaram; Mangroves; Geo-accumulation index;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The 26 December 2004-Tsunami has deposited sediments in the Pichavaram mangrove ecosystem, east coast of India. Ten surface and three core sediment samples were collected within thirty days of the event. High concentrations of Cd, Cu, Cr, Pb, and Ni were observed in the tsunamigenic sediments. With respect to Fe, Zn, and Mn, there was little variation as compared to pre-tsunami values. The geo-accumulation index was calculated in order to assess the contamination of heavy metals in the sediments. The sediments were extremely contaminated with respect to Cd and they showed moderate to strong contamination with respect to Cr, Pb and Ni. The study highlighted the future risk of enhanced metal pollution in near future in this mangrove ecosystem.
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页码：389 / 411
页数：22
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