Chemical speciation of trace metals in atmospheric deposition and impacts on soil geochemistry and vegetable bioaccumulation near a large copper smelter in China

Atmospheric deposition is an important source of trace metals to surface environments, but knowledge about plant bioavailability of recently deposited metals and their fate in the soil-plant system is limited. We performed a fully factorial soil and atmosphere exposure experiment with three vegetabl...

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Bibliographic Details
Published in:Journal of hazardous materials 2021-07, Vol.413, p.125346, Article 125346
Main Authors: Liu, Hai-Long, Zhou, Jun, Li, Min, Obrist, Daniel, Wang, Xiao-Zhi, Zhou, Jing
Format: Article
Language:English
Subjects:
Metal speciation
Soil geochemistry
Vegetable bioaccumulation
Wet and dry deposition
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Summary:Atmospheric deposition is an important source of trace metals to surface environments, but knowledge about plant bioavailability of recently deposited metals and their fate in the soil-plant system is limited. We performed a fully factorial soil and atmosphere exposure experiment with three vegetables (radish, lettuce, and soybean). Treatments included soil profiles collected from three sites located along a strong gradient of atmospheric deposition with each soil type deployed across the three sites for one year, which allowed to effectively distinguish impacts of recently deposited metals (
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2021.125346