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Sea Ice Update. The fabled Northwest Passage is open in late August 2007!. Photo D. Kavanagh. Observed Sea Ice Decline: Faster than Forecast. Compiled by NSIDC. Western Water. Snotel Sites. Typical SNOTEL sites. Other data sources. CAIC Tower Berthoud Pass. Photos: A. Slater. - PowerPoint PPT Presentation
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Sea Ice Update
The fabled NorthwestPassage is open in late August 2007!
Photo D. Kavanagh
Observed Sea Ice Decline: Faster than Forecast
Compiled by NSIDC
Western Water
Snotel Sites
Typical SNOTEL sites
Other data sources
CAIC TowerBerthoud Pass
Photos: A. Slater
Avalanches
Photo: A. Slater
Arapahoe Basin – May 2005
Example of Snotel Record: Lake Eldora, CO
Large Interannual Variability
Courtesy NASA
Arapahoe Glacier, 1917
Arapahoe Glacier, 2004
Glaciers are retreating worldwide, including Colorado
Projected Regional Temperature Change
IPCC-AR4
Snowpack changes in the US West
Mote et al., 2005
