Assessment of heavy metal contamination in the surface sediments along the coast of Korea

Kongtae Ra; Eun-Soo Kim; Kyung-Tae Kim; Joung-Keun Kim; Jung-Moo Lee

Assessment of heavy metal contamination in the surface sediments along the coast of Korea

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한국 연안 표층퇴적물 내 중금속 오염도 조사 연구

Type: Proceeding

Author: Kongtae Ra (한국해양과학기술원) Eun-Soo Kim (한국해양과학기술원) Kyung-Tae Kim (한국해양과학기술원) Joung-Keun Kim (한국해양과학기술원) Jung-Moo Lee (한국해양과학기술원)

Journal: The Korean Society for Marine Environment & Energy 한국해양환경·에너지학회 학술대회논문집 2012년도 한국해양환경공학회 추계학술대회 논문집

Published: 2012.11

Pages: 301 - 308 (8page)

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Assessment of heavy metal contamination in the surface sediments along the coast of Korea

Research history (17)

2015

Assessment of heavy metal pollution and identification of pollution sources in the coastal, stream and road-deposited sediments of Ulsan

Kongtae Ra , Kyung-Tae Kim , Sang-Hee Hong and others 1 한국해양환경·에너지학회 학술대회논문집 2015.05 Proceeding

Study on the metal pollution in the road-deposited sediments of national industrial complexes of Korea

Kongtae Ra , Kyung-Tae Kim 한국해양환경·에너지학회 학술대회논문집 2015.05 Proceeding

Assessment of metal pollution and identification of metal sources in the creek seawater and sediment around Shihwa Lake

Kongtae Ra , Kyung-Tae Kim , Joung-Keun Kim 한국해양환경·에너지학회 학술대회논문집 2015.05 Proceeding

Assessment of heavy metal pollution and their ecological risk in the surface sediments of Busan coast in Korea

Kongtae Ra , Kyung-Tae Kim , Sang-Hee Hong and others 1 한국해양환경·에너지학회 학술대회논문집 2015.05 Proceeding

2014

Study on the contamination sources around Lake Shihwa – Part 3. Heavy metals of non-point pollution loads in storm water runoff from industrial regions

Kongtae Ra , Kyung-Tae Kim , Joung-Keun Kim and others 3 한국해양환경·에너지학회 학술대회논문집 2014.05 Proceeding

2013

Assessment of Heavy Metal Pollution in Mangrove Sediments of Chuuk and Kosrae, Federated States of Micronesia

Kongtae Ra , Cha , ity M. Lee and others 6 Ocean and Polar Research 2013.12 Academic journal

Study on non-point pollutants in the strom water runoff around Shihwa Lake

Kongtae Ra , Kyung-Tae Kim , Joung-Keun Kim and others 7 한국해양환경·에너지학회 학술대회논문집 2013.11 Proceeding

Distribution and Pollution Assessment of Trace Metals in Core Sediments from the Artificial Lake Shihwa, Korea

Kongtae Ra , Eun-Soo Kim , and others 3 Ocean and Polar Research 2013.06 Academic journal

Preliminary study on the assessment of metal pollution in beach sediments of the coast of Korea

Kongtae Ra , Kyung-Tae Kim , Eun-Soo Kim and others 5 한국해양환경·에너지학회 학술대회논문집 2013.05 Proceeding

Assessment of metal pollution and its ecological risk in the surface sediment from Ulsan bay,Korea

Kongtae Ra , Kyung-Tae Kim , Kim･Eun-So and others 5 한국해양환경·에너지학회 학술대회논문집 2013.05 Proceeding

Vertical Profiles and Assessment of Trace Metals in Sediment Cores From Outer Sea of Lake Shihwa, Korea

Kongtae Ra , Joung-Keun Kim , Eun-Soo Kim and others 3 Journal of the Korean Society for Marine Environment & Energy 2013.04 Academic journal

2012

Assessment of heavy metal contamination in the surface sediments along the coast of Korea

Kongtae Ra , Eun-Soo Kim , Kyung-Tae Kim and others 2 한국해양환경·에너지학회 학술대회논문집 2012.11 Proceeding

2011

Spatial and temporal variations of trace metals in surface sediments from the artificial Saemangeum Lake, Korea

Kongtae Ra , Jung-Moo Lee , Kyung-Tae Kim and others 3 한국해양환경·에너지학회 학술대회논문집 2011.11 Proceeding

Assessment of metal pollution and eco-toxicological effect in heavily polluted Shihwa Lake sediment

Kongtae Ra , Jung-Moo Lee , Kyung-Tae Kim and others 3 한국해양환경·에너지학회 학술대회논문집 2011.11 Proceeding

Heavy metal distribution of water and sediment from the creeks around Shihwa Lake, Korea

Kongtae Ra , Jung-Moo Lee , Kyung-Tae Kim and others 3 한국해양환경·에너지학회 학술대회논문집 2011.11 Proceeding

Study on the Characteristics and Non-point Source Pollution Loads in Stormwater Runoff of Shihwa Lake

Kongtae Ra , Kyung-Tae Kim , Joung-Keun Kim and others 6 Journal of the Korean Society for Marine Environment & Energy 2011.02 Academic journal

2009

Geochemistry of trace metals in Shihwa Lake sediment

Kongtae Ra , Kyung Tae Kim , Eun Soo Kim and others 5 한국해양환경·에너지학회 학술대회논문집 2009.11 Proceeding

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Metal concentrations were highly variable between locations and the average concentrations were 58.0 ㎎/㎏ for Cr, 10.6 ㎎/㎏ for Co, 24.9 ㎎/㎏ for Ni, 41.5 ㎎/㎏ for Cu, 139 ㎎/㎏ for Zn, 9.6 ㎎/㎏ for As, 0.36 ㎎/㎏ for Cd, 38.9 ㎎/㎏ for Pb and 0.061 ㎎/㎏ for Hg, respectively. The concentrations of metals in sediments were moderately contaminated, showing a decrease trend with distance from the pollution source originating primarily from urbanization and industrialization. Sediments from four bays represent highly industrialized sites including Shihwa, Masan, Gwangyang and Ulsan were highly contaminated with metals and their average concentrations were significantly higher than those found in sediments of other sites. Metals showed significantly positive correlations among them suggesting that sources of metal pollution were attributed to anthropogenic inputs from surrounding environments, especially national industrial complex. Different metal assessment indices, including enrichment factors, geo-accumulation index and pollution load index were discussed to interpret the pollution status for metals. The results of those indices indicated that metal pollution for Cu, Zn, As, Cd, Pb and Hg was occurred in the coast of Korea due to rapid industrialization. The enrichment factor of heavy metals were decreased following the order Cu＞Hg＞Cd＞Zn＞As＞Pb＞Co＞Cr＞Ni, with higher contribution about 72% to the sum of Cu, Hg, Cd and Zn.
The results in the present study are compared to the threshold effect level (TEL) and the probable effect level (PEL) to assess adverse ecological risks of heavy metal. Especially, sediments from highly industrialized bays were most toxic for Cu and Zn due to exceedances of the PEL values at more than 20% of sampling sites. Toxicity for other metals such as Cr, Ni, As and Pb concentrations ranged from the TEL to the PEL values at more than 87% of sampling sites. The metal concentrations of Cd and Hg in most sampling sediments are below the TEL values. Considering with SQGs, metal concentrations in sediments from the coast of Korea is predicted to be a threat to the marine environments.

#Heavy metal(중금속) #Urbanization(도시화) #Industrialization(산업화) #Contamination(오염) #Enrichment factor(농축계수)

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UCI(KEPA) : I410-ECN-0101-2014-472-000816552

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