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http://dx.doi.org/10.5322/JESI.2022.31.6.491

Evaluation of the contamination Level of Inland Pollution Sources Flowing into Taeanhaean National Park in Summer and Fall (2017-2018)  

Hwang, Da Hye (Ocean Research Center, National Park Research Institute)
Kim, Jin Hyun (Ocean Research Center, National Park Research Institute)
Jang, Seong Geon (Ocean Research Center, National Park Research Institute)
Jeong, Won ok (Ocean Research Center, National Park Research Institute)
Jeong, Byungkwan (Ocean Research Center, National Park Research Institute)
Publication Information
Journal of Environmental Science International / v.31, no.6, 2022 , pp. 491-501 More about this Journal
Abstract
This study evaluated the contamination levels of inland pollution sources flowing into Taeanhaean National Park. The nutritional status of influents was assessed by analyzing water quality and trophic status index (TRIX) at 52 stations, and the contamination levels of sediments were evaluated by analyzing eutrophication cleanup index (CIET) and heavy metals at 36 stations. The results of the TRIX analysis showed that 26 of the 52 stations had influents with a TRIX value of 6-10 (poor water quality/very high trophic level), indicating atrocious water quality and high eutrophication levels. The results of the CIET analysis showed that 4 out of the 36 stations were highly contaminated with organic matter. Analysis of heavy metals showed that the copper (Cu) and zinc (Zn) levels exceeded the threshold effects level (TEL) and probable effects levels (PEL) at several stations. In addition, the arsenic (As) level exceeded the threshold effects level at one station, and the levels of the other heavy metals (Cd, Cr6+, Ni, Pb, and Hg) were lower. Most inland pollution sources have been identified as small-scale, but long-term and continuous exposure can negatively affect the marine ecosystem; therefore, it necessary to prepare inland pollution source management standards and measures suitable for the characteristics of the coastal area.
Keywords
Taeanhaean National Park; Inland pollution sources; TRIX; CIET; Heavy metals;
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