Articles | Volume 18, issue 14
Atmos. Chem. Phys., 18, 10557–10574, 2018
https://doi.org/10.5194/acp-18-10557-2018
Atmos. Chem. Phys., 18, 10557–10574, 2018
https://doi.org/10.5194/acp-18-10557-2018

Research article 24 Jul 2018

Research article | 24 Jul 2018

Multi-year monitoring of atmospheric total gaseous mercury at a remote high-altitude site (Nam Co, 4730 m a.s.l.) in the inland Tibetan Plateau region

Xiufeng Yin et al.

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Total gaseous mercury concentrations were measured at Nam Co Station on the inland Tibetan Plateau for ~ 3 years. The mean concentration of TGM during the entire monitoring period was 1.33 ± 0.24 ngm-3, ranking it the lowest in China and indicating the pristine atmospheric environment of the inland Tibetan Plateau. Variation of TGM at Nam Co was affected by regional surface reemission, vertical mixing and long-range transported atmospheric mercury, which was associated with the Indian monsoon.
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