Natural background level analysis of heavy metal concentration in Korean Coastal sediments SCOPUS KCI

Title
Natural background level analysis of heavy metal concentration in Korean Coastal sediments
Author(s)
Lim, D.-I.; Choi, J.Y.; Jung, H.S.; Choi, H.W.; Kim, Y.O.
KIOST Author(s)
Lim, Dhongil(임동일)Jung, Hoi Soo(정회수)Choi, Hyun Woo(최현우)Kim, Young Ok(김영옥)
Publication Year
2007-12
Abstract
This paper presents an attempt to determine natural background levels of heavy metals which could be used for assessing heavy metal contamination. For this study, a large archive dataset of heavy metal concentration (Cu, Cr, Ni, Pb, Zn) for more than 900 surface sediment samples from various Korean coastal environments was newly compiled. These data were normalized for aluminum (grain-size normalizer) concentration to isolate natural factors from anthropogenic ones. The normalization was based on the hypothesis that heavy metal concentrations vary consistently with the concentration of aluminum, unless these metals are of anthropogenic origin. So, the samples (outliers) suspected of receivingany anthropogenic input were removed from regression to ascertain the background relationship between the metals and aluminum. Identification of these outliers was tested using a model of predicted limits at 95%. The process of testing for normality (Kohnogorov-Smirnov Test) and selection of outliers was iterated until a normal distribution was achieved. On the basis of the linear regression analysis of the large archive (please check) dataset, background levels, which are applicable to heavy metal assessment of Korean coastal sediments, were successftilly developed for Cu, Cr, Ni, Zn. As an example, we tested the applicability of this baseline level for metal pollution assessment of Masan Bay sediments.
ISSN
1598-141X
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/6505
DOI
10.4217/OPR.2007.29.4.379
Bibliographic Citation
Ocean and Polar Research, v.29, no.4, pp.379 - 389, 2007
Publisher
Korea Ocean Research and Development Institute
Keywords
Linear regression; Mansan Bay; Background concentration; Coastal sediment; Heavy metals natural
Type
Article
Language
Korean
Document Type
Article
Publisher
Korea Ocean Research and Development Institute
Related Researcher
Research Interests

Marine ecology,Plankton,Protists,해양생태,부유생물,원생생물

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