Distribution, sources, and contamination evaluation of heavy metals in surface sediments of the Qizhou Island sea area in Hainan, China

被引：6

作者：

Fan, Jianxiu ^{[1
]}

Zhang, Lin ^{[2
]}

Wang, Anqi ^{[1
]}

Meng, Xiuji ^{[1
]}

Xu, Cheng ^{[2
]}

Wang, Xianqing ^{[2
]}

Wang, Shisheng ^{[2
]}

Huang, Wenhe ^{[3
]}

Xu, Fangjian ^{[1
]}

机构：

[1] Hainan Univ, Sch Marine Sci & Engn, Haikou 570228, Peoples R China

[2] China Geol Survey, Haikou Marine Geol Survey Ctr, Haikou 571127, Peoples R China

[3] China Power Engn Consulting Grp Co Ltd, Guangzhou 511446, Peoples R China

来源：

MARINE POLLUTION BULLETIN | 2024年 / 208卷

基金：

中国国家自然科学基金;

关键词：

Ecological risk; Heavy metals; Continental shelf; Anthropogenic activities; South China Sea; PEARL RIVER ESTUARY; CONTINENTAL-SHELF; YANGTZE-RIVER; URBAN RIVER; GRAIN-SIZE; POLLUTION; TRANSPORT; LEVEL; COAST; WATER;

D O I：

10.1016/j.marpolbul.2024.116933

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Coastal areas are regions of active interaction between the sea and land and are highly sensitive to changes in heavy metal contamination caused by natural and anthropogenic activities. The contents of heavy metals in 80 surface sediments in the Qizhou Island sea area in the northeast of Hainan Island were determined to assess the contamination status, spatial distribution, sources, and ecological risks. The results indicate that the main factors influencing the distribution patterns and contents of heavy metals are hydrodynamic conditions and sources of materials. The accumulation of Cd and Pb in the sediments is attributed to the combined effects of natural sources and anthropogenic input. In addition to widespread anthropogenic influence, the enrichment of Cd in the southeastern outer shelf area of the study region may be controlled by biogenic carbonate rocks or enhanced input of near-source materials during the late Pleistocene low sea level period.

引用

页数：11

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