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A study published in "Nature Earth Science" " Rivers as the largest source of mercury to coastal oceans worldwide " pointed out that rivers are the most important source of mercury in the global offshore oceans, not atmospheric deposition
Mercury in the environment has both natural sources, such as volcanoes, and man-made sources, such as coal-fired power plants
This study shows that rivers export thousands of tons of "new" mercury to the global coastal waters every year, which is three times the amount of atmospheric deposition
The estimated results of this study are three times the estimated value widely adopted by the scientific community in the past 30 years (such as the United Nations Environment Programme, 300 tons per year), emphasizing that rivers are one of the long-underestimated important contributors to the earth's mercury cycle
Nature ’s Research Highlight reports on this article with the title " Toxic mercury rides rivers into the sea "
The research was supervised by Professor Wang Xuejun (Peking University) and Professor PeterRaymond (Yale University).
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