Articles | Volume 21, issue 20
Atmos. Chem. Phys., 21, 15847–15859, 2021
https://doi.org/10.5194/acp-21-15847-2021
Atmos. Chem. Phys., 21, 15847–15859, 2021
https://doi.org/10.5194/acp-21-15847-2021

Research article 25 Oct 2021

Research article | 25 Oct 2021

Speciated atmospheric mercury at the Waliguan Global Atmosphere Watch station in the northeastern Tibetan Plateau: implication of dust-related sources for particulate bound mercury

Hui Zhang et al.

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Short summary
Our observations of speciated atmospheric mercury at the Waliguan GAW Baseline Observatory show that concentrations of gaseous elemental mercury (GEM) and particulate bound mercury (PBM) were elevated compared to the Northern Hemisphere background. We propose that the major sources of GEM and PBM were mainly related to anthropogenic emissions and desert dust sources. This study highlights that dust-related sources played an important role in the variations of PBM in the Tibetan Plateau.
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