Articles | Volume 21, issue 9
Atmos. Chem. Phys., 21, 6721–6734, 2021
https://doi.org/10.5194/acp-21-6721-2021
Atmos. Chem. Phys., 21, 6721–6734, 2021
https://doi.org/10.5194/acp-21-6721-2021

Research article 04 May 2021

Research article | 04 May 2021

Isotopic compositions of atmospheric total gaseous mercury in 10 Chinese cities and implications for land surface emissions

Xuewu Fu et al.

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Latest update: 29 Jul 2021
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Short summary
TGM concentrations and isotopic compositions in 10 Chinese cities showed strong seasonality with higher TGM concentrations and Δ199Hg and lower δ202Hg in summer. We found the seasonal variations in TGM concentrations and isotopic compositions were highly related to regional surface Hg(0) emissions, suggesting land surface Hg(0) emissions are an important source of atmospheric TGM that contribute dominantly to the seasonal variations in TGM concentrations and isotopic compositions.
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