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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling

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태화강 수계의 중금속 농도 분포와 오염도 평가

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Title
태화강 수계의 중금속 농도 분포와 오염도 평가
Other Titles
Monitoring and Pollution Assessment of Heavy Metals in the Taehwa River, Ulsan, Korea
Author
Kwon, Hye OkSon, Hee SikOh, Joo YeonOh, Jeong EunChoi, Sung-Deuk
Keywords
Heavy metals; Water pollution index; Non-point source; Taehwa River; Ulsan
Issue Date
201309
Publisher
한국환경분석학회
Citation
한국환경분석학회지, v.16, no.3, pp.212 - 219
Abstract
Ulsan, a representative industrial city in South Korea, has various sources of heavy metals. The upstream of the Taehwa River in Ulsan is used to supply drinking water, but heavy metal pollution in this area has not been studied yet. Therefore, in this study, we investigated the levels and patterns of heavy metals in the Taehwa River including the upstream. We also evaluated water quality using the water pollution index. We collected water samples at 18 sites of the Taehwa River in February and May 2011. Target heavy metals were cadmium,chromium, lead, nickel, and zinc, which were analyzed by an inductively coupled plasma mass spectrometer (ICP-MS). The concentration of heavy metals increased from the upstream to downstream, and the highest concentration was detected in the downstream nearby an industrial complex. The spatial distribution of heavy metals and water pollution indexes indicated that some urban sites and most industrial sites were artificially polluted, and non-point sources might play an important role in water pollution of the Taehwa River.
URI
http://scholarworks.unist.ac.kr/handle/201301/3908
ISSN
1226-9700
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