서해중부 연안 조간대 퇴적물 내 중금속분포 및 특성

• 영문명: Heavy Metals in the Tidal Sediments Occurring along the Western Coast of Korea
• 발행기관: 한국환경보건학회
• 저자명: Gab Soo Hwang Kangjoo Kim Jang Hoon Lee
• 간행물 정보: 『1. 한국환경보건학회지』제29권 제5호, 78~85쪽, 전체 8쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 2003.12.30

영문 초록

Heavy metal contents and distributional characteristics in sediments from the tidal flats along the middle west coast of Korea were investigated. The averages of heavy metal contents in sediments from 12 sampling sites range from 10.54 to 47.41 mg/kg for Zn, from 6.17 to 19.14 mg/kg for Cr, from 3.53 to 12.03 mg/kg for Ni, from 1.80 to 7.79 mg/kg for Cu, from 0.004 to 0.040 mg/kg for Cd, and from 5.46 to 13.19 mg/kg for Pb(on dry weight basis). The literatural comparative study showed that the study area has been little affected by heavy metal contamination. On the whole, heavy metal content, ignition loss rate(%) and clay+silt content(%) in sediments were higher in the southern part area than in the northern part area, regionally divided by S6 and S7 sites(Osikdo). In the present study, it is suggested that methodological selection of acid digestion, particle size fraction for analysis and normalization should be carefully deliberated to make the comparative study of heavy metal contamination more objective.

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키워드

Heavy metal sediments tidal flats clay+silt content comparative study