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File:Dust Accelerates Snow Melt in San Juan Mountains - May 18, 2009.jpg

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English: In contrast to the bright white snow cover on the San Juan Mountains in 2008, the snow cover on the same mountains ranges in colour from pale beige to dull brown in this image. The brownish colour of the snow is largely due to dust on the snow surface. Even though persistent cloud cover minimized the melting effect of solar radiation, more dust caused the snow to melt earlier than it had the previous spring.
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Source http://earthobservatory.nasa.gov/IOTD/view.php?id=39164&src=iotdrss
Author Jesse Allen

Image created using data obtained from the Goddard Level 1 and Atmospheric Archive and Distribution System (LAADS). Instrument: Terra - MODIS

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current11:04, 4 July 2009Thumbnail for version as of 11:04, 4 July 20093,457 × 2,668 (3.9 MB)Originalwana (talk | contribs){{Information |Description={{en|1=In contrast to the bright white snow cover on the San Juan Mountains in 2008, the snow cover on the same mountains ranges in colour from pale beige to dull brown in this image. The brownish colour of the snow is largely d

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