山东国土资源2026，Vol.42Issue(6)：19-28,10.DOI:10.12128/j.issn.1672-6979.2026.06.003
山东长岛海域浅层沉积物重金属污染特征及成因分析
Analysis on Heavy Metal Quality and Influencing Factors in Shallow Seabed Sediments of the Sea Area of Changdao in Shandong Province
摘要
Abstract
Heavy metals in shallow marine sediments are easy to diffusion during offshore engineering con-struction.It will lead to environmental changes and even marine pollution.Therefore,the determination of heavy metal contents is an important indicator for evaluating the impact of offshore engineering con-struction on the marine environment.Taking shallow sediments in the northern sea area of Changdao in Shandong province as the research object,7 heavy metals,14C and 7 major components in 60 shallow sedi-ment samples from boreholes have been collected and determined.The pollution degree and potential eco-logical risk of heavy metals have been evaluated by using geoaccumulation index and the potential ecologi-cal risk index respectively.It is showed that heavy metals in Borehole HG2 are at non-pollution to slight pollution levels,with moderate to low single factor potential risk and low comprehensive potential ecologi-cal risk index.Heavy metals in Borehole HG6 are mainly non-pollution to slight pollution,while Cu(13%)and As(3%)are locally at moderate to relatively moderate pollution.The single factor potential risk is mainly moderate to low,whereas Cu(13%)is at high to very high risk locally,and comprehensive potential ecological risk index is low.The sources of heavy metals in sediments of the study area are multi-source and terrigenous,and their contents are mainly affected by sediment sources.In general,the con-tents of heavy metals in the study area are relatively low,comprehensive potential ecological risk is low,and the disturbance caused by offshore engineering construction has a slight impact on heavy metal con-tents in the marine environment.关键词
浅海沉积物/重金属/污染特征/成因分析/长岛海域/山东Key words
Shallow sea sediments/heavy metals/pollution characteristics/cause analysis/Changdao is-land sea areas/Shandong province分类
海洋科学引用本文复制引用
张燕挥,王小丹,刘辉,雷雁翔,孟屹明,张朋朋..山东长岛海域浅层沉积物重金属污染特征及成因分析[J].山东国土资源,2026,42(6):19-28,10.基金项目
山东省2020年度省级地质勘查项目"山东长岛海洋牧场示范区海底沉积物地球化学调查"(鲁勘字[2020]54号) （鲁勘字[2020]54号）
山东省2021年度省级地质勘查项目"山东省长岛海洋生态文明综合试验区海洋地质环境调查"(鲁勘字[2021]52号) （鲁勘字[2021]52号）
