IOCAS-IR  > 海洋地质与环境重点实验室
Zoning of coastal environments based on sediment textural and geochemical characteristics and their major oceanographic constraints: A case study in South Korea
Jung, Hoi-Soo1; Lim, Dhongil2,3; Xu, Zhaokai4,5,6; Kim, Jihun2,3; Lee, Junho1; Jeong, Dohyun2
2021-09-15
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume218Pages:12
Corresponding AuthorJung, Hoi-Soo(hoisoo@kiost.ac.kr)
AbstractTo assess the environmental impacts of offshore wind farming and sea sand mining, coastal areas are zoned on the basis of their natural oceanographic characteristics. Textural and geochemical properties of South Korean coastal sediments, including mean grain size (Mz), CaCO3 and organic-matter contents, and metal concentrations (Al, K, Ba, rare earth elements, Zr, etc.), were analyzed and categorized in this case study, practically applying common sediment properties for rational zoning of the South Korean coastal environment. Three characteristic zones are scientifically classified in the study area, although four groups of sediment sampling stations were statistically clustered based on their major sediment properties. Zone 1, in the northwestern part of the Korean west coast, is characterized as covered with coarse-grained sediments containing low concentrations of the measured elements under a macro-tidal regime (6.5-9 m), while Zone 3 is characterized by fine-grained sediments with high elemental concentrations under a micro-tidal regime (>3.5 m). Silty Zone 2 sediments appear to be a mixture of sandy Zone 1 and muddy Zone 3 sediments under a meso-tidal regime. The difference in tidal forces among the zones is proposed as a primary constraint of overall sediment textural and geochemical characteristics, while sediment provenance provides subsequent control. Sediment contamination with anthropogenic pollutants is unperceivable in this case study. However, the K and Li concentrations in coarse-grained feldspar and fine-grained illite, respectively, are likely not limited by the tidal flow regime.
KeywordCoastal sediment Environmental impact assessment Grain size Metal concentration Tidal regime
DOI10.1016/j.jseaes.2021.104883
Indexed BySCI
Language英语
Funding ProjectKorea Institute of Ocean & Technology (KIOST) research program[PE99862/99915] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000] ; National Natural Science Foundation of China[41876034] ; National Natural Science Foundation of China[41676038] ; National Natural Science Foundation of China[41376064] ; National Natural Science Foundation of China[41830539] ; KIOST, Korea
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000684290600002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/175972
Collection海洋地质与环境重点实验室
Corresponding AuthorJung, Hoi-Soo
Affiliation1.Korea Inst Ocean Sci & Technol, Korean Seas Geosyst Res Ctr, Busan 49111, South Korea
2.Korea Inst Ocean Sci & Technol, South Sea Res Inst, Geoje 53201, South Korea
3.Univ Sci & Technol, KIOST Sch, Daejeon 34113, South Korea
4.Korea Polar Res Inst, Div Polar Ocean Sci, Incheon 21990, South Korea
5.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
6.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Jung, Hoi-Soo,Lim, Dhongil,Xu, Zhaokai,et al. Zoning of coastal environments based on sediment textural and geochemical characteristics and their major oceanographic constraints: A case study in South Korea[J]. JOURNAL OF ASIAN EARTH SCIENCES,2021,218:12.
APA Jung, Hoi-Soo,Lim, Dhongil,Xu, Zhaokai,Kim, Jihun,Lee, Junho,&Jeong, Dohyun.(2021).Zoning of coastal environments based on sediment textural and geochemical characteristics and their major oceanographic constraints: A case study in South Korea.JOURNAL OF ASIAN EARTH SCIENCES,218,12.
MLA Jung, Hoi-Soo,et al."Zoning of coastal environments based on sediment textural and geochemical characteristics and their major oceanographic constraints: A case study in South Korea".JOURNAL OF ASIAN EARTH SCIENCES 218(2021):12.
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