期刊论文

Fang, XH;Fang, Xiaohong;Tang, CY

英文

Water

2073-4441

2025

17

15

2331-

10.3390/w17152331

Conceptualization, X.F. and C.T.; methodology, X.H.; software, Q.P.; formal analysis, X.F., C.T., B.P. and Q.P.; investigation, X.F., X.H., Q.P., L.H., Y.Z. and S.S.; data curation, X.F., X.H., B.P., L.H., Y.Z. and S.S.; writing—original draft, X.F. and X.H.; writing—review and editing, X.F.; supervision, X.F. and C.T.; funding acquisition, X.F. and C.T. All authors have read and agreed to the published version of the manuscript. This study was financially supported by the Scientific Research Funds of Hunan Provincial Education Department (Grant No. 21A0433) and grants (Grant No. 2022JJ30030, 2022JJ40014) from Department of Science and Technology of Hunan province (China), The Opening Foundation of Guangxi Key Laboratory of Earth Surface Processes and Intelligent Simulation (Nanning Normal University) (No. NNNU-KLOP-K2105), launching project of doctoral research of Hengyang Normal University (Grant No. 2020QD04).

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South Dongting Lake is an essential aquatic ecosystem that receives substantial water inflows from the Xiangjiang and Zishui Rivers. However, it is significantly impacted by human activities, including mining, smelting, and farming. These activities have led to serious contamination of the lake's sediments with heavy metals (HMs). This study investigated the distribution, mobility, and influencing factors of HMs at the sediment-water interface. To this end, sediment samples were analyzed from three key regions (Xiangjiang River estuary, Zishui River estuary, and northeastern South Dongting Lak...