Plumes of arctic haze traced to Russia, Kazakhstan

Smoke from forest fires, agricultural burning may be substantial part of springtime plumes.

By Sid Perkins, 11:44 AM February 13, 2009

Data gathered by aircraft flying over northern Alaska and the Arctic Ocean in April 2008 hint that many springtime plumes of arctic haze in the region, long thought to be pollutants associated with industrial emissions, may in fact result from forest fires and agricultural burning in Asia.

Distinct layers of dirty air, often dubbed arctic haze, have been regularly observed at high latitudes of the Northern Hemisphere since the 1950s. The plumes are particularly apparent during the spring, whe...

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