Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 19, issue 24
Articles | Volume 19, issue 24
https://doi.org/10.5194/acp-19-15533-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-15533-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 24
Research article
 | 
19 Dec 2019
Research article |  | 19 Dec 2019

21st-century Asian air pollution impacts glacier in northwestern Tibet

M. Roxana Sierra-Hernández, Emilie Beaudon, Paolo Gabrielli, and Lonnie Thompson

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Short summary
Energy consumption in Asia has substantially risen since 1970, leading to increased levels of air pollution, which can have severe impacts on human health and the environment. We present the first continuous ice-core record of toxic trace metals that covers 1971–2015. This new record from the Guliya ice cap in northwestern Tibet shows that Pb, Cd, Zn, and Ni, emitted mostly from fossil fuel combustion and biomass burning in South Asia, have reached the remote, high-altitude glacier since 1990.
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