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Archive Home > 2009 > January > 13 > Dirty snow can cause early runoff

Dirty snow can cause early runoff

By The Associated Press / The Bulletin
January 13, 2009

SEATTLE — Soot on snow causes winter snowpacks in the Cascades and other Western mountain ranges to melt faster, leading to runoffs earlier in the spring, scientists say.

Researchers at the Pacific Northwest National Laboratory in Richland, who studied the effect of pollution on....

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