Lake Sediment Archive Reveals a Distinct Response to Anthropogenic Pb and Zn Deposition with Historical Periods: Pb–Zn Isotope Evidence
Yafei Xia,
Yuhui Liu,
Chengshuai Liu
et al.
Abstract:Anthropogenic activities release large quantities of
heavy metals
into the atmosphere. In China, the input of these heavy metals through
local and trans-boundary atmospheric deposition is poorly understood.
To assess this issue, herein, we use Pb and Zn isotopes to constrain
the sources of Pb and Zn in a 210Pb-dated sediment core
collected from the enclosed lake in South China. We observed a progressive
shift toward higher 208Pb/206Pb and Pb fluxes
(0.79–4.02 μg·cm–2·a–1) from 1850 to 1950 and a consistent dec… Show more
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