Revisiting elemental geochemistry in surface sediments of the Ulleung Basin, East/Japan Sea: Signals from ocean dumping materials

被引：3
作者：
Um, In Kwon [1 ]
Choi, Man Sik [2 ,3 ]
Han, Soo Yeon [4 ]
Choi, Seonghu [3 ]
Yang, Dasom [3 ]
机构：
[1] Korea Inst Geosci & Mineral Resources, Marine Geol & Energy Div, Daejeon 34132, South Korea
[2] Chungnam Natl Univ, Dept Marine Environm Sci, Daejeon 34134, South Korea
[3] Chungnam Natl Univ, Dept Earth Environm & Space Sci, Daejeon 34134, South Korea
[4] Korea Inst Geosci & Mineral Resources, Geosci Data Ctr, Daejeon 34132, South Korea
来源：
MARINE POLLUTION BULLETIN | 2024年 / 206卷
基金：
新加坡国家研究基金会;
关键词：
East/Japan Sea; Ocean dumping sites; Heavy metals; Environmental pollution; EAST SEA; JAPAN SEA; COASTAL SEDIMENTS; SYSTEM; KOREA; HISTORY; METALS; SITE; ARC;
D O I：
10.1016/j.marpolbul.2024.116747
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A total of 222 surface sediments were collected in the Ulleung Basin, southwestern East/Japan Sea, from the coast to the basin and analyzed for grain size, total organic carbon, biogenic silica and major and trace elements. The metal concentrations of the surface sediments were highly spatially variable, and their distributions were grouped into four types by factor analysis: waste dumping materials (Cr, Cu, Zn, Sn, Sb, and Pb); detrital materials (Al, Fe, and Cs); suboxic diagenetic materials (Mn, Mo, Co, and Ni); and anoxic diagenetic materials (Cd and U). From core samples collected near the dumping site, approximately the top 10 cm was well mixed in the 210 Pb ex profiles and highly enriched in the above metals related to dumping materials. The enrichment factor of Sn indicates dumping materials well, and its distribution can be used to estimate the dispersion range of the dumped material in this basin.
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页数：8
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