Arctic accumulation of mercury comes from rivers
Mon, 21 May 2012 08:17:50 -0700
Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic Ocean.
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Toxic mercury, accumulating in the Arctic, springs from a hidden source
Mon, 21 May 2012 09:17:06 -0700
Environmental scientists have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic Ocean. While the atmospheric source was previously recognized, it now appears that twice as much mercury actually comes from the rivers. The revelation implies that concentrations of ...
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