Distribution Characteristics and Pollution Evaluation of Heavy Metals in Surface Sediments in China’s Largest Freshwater Lake

Xiaolong Zhang; Xiaofeng Li; Wen Dai; Weihao Zhang; Daishe Wu; Shan Huang; Ting Huang; Xiangwen Zhang

doi:10.21203/rs.3.rs-5062173/v1

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Distribution Characteristics and Pollution Evaluation of Heavy Metals in Surface Sediments in China’s Largest Freshwater Lake

The Journal of Physical Chemistry B 2025

Xiaolong Zhang, Xiaofeng Li, Wen Dai, Weihao Zhang, Daishe Wu, Shan Huang, Ting Huang, Xiangwen Zhang

Summary

Researchers mapped the spatial distribution of eight heavy metals in surface sediments across and around Poyang Lake — China's largest freshwater lake — using Kriging interpolation and pollution indices to identify contamination hotspots and anthropogenic versus geogenic sources.

Study Type Environmental

The spatial distribution characteristics and pollution sources of eight heavy metals Mercury (Hg), Copper (Cu), Lead (Pb), Cadmium (Cd), Zinc (Zn), Arsenic (As), Chromium (Cr) and Nickel (Ni) in the sediments around and within Poyang Lake were studied using the Kriging interpolation method, Pe...

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