Plateau鈥檚 mercury problem
Print Edition
MELTING glaciers on the Tibetan Plateau may lead to increased mercury runoff from soil, which could in turn cause pollution downstream, according to researchers.
Mercury is a toxic element and the melting of glaciers on the Qinghai-Tibet Plateau in western China has affected mercury discharge, said Zhang Qianggong, a researcher with the Institute of Tibetan Plateau Research of the Chinese Academy of Sciences, in Environmental Pollution, a British journal.
Zhang and fellow researchers studied samples from the Zhadang glacier at the Qugaqie Basin on the plateau.
Glaciers, particularly alpine glaciers, have been receding at an accelerated rate in recent decades. Concern is growing about the release of pollutants due to melting glaciers as well as the potential effects on the atmosphere and glacier-fed eco-systems, Zhang said.
Data from the Qugaqie Basin show a remarkably high amount of mercury passing through.
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