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September 12, 2009

Devon Ice Cap

Two recent papers have examined the changes in flow, mass balance and volume of the Devon Ice Cap(Shepherd et al., 2007) (Dowdeswell, 2004). The Devon Ice Cap on Devon Island in the Canadian Arctic ice cap’s area has an area of 14,000 km2, with a volume of 3980 km3 . The ice cap area decreased by 332 km2 (2.4%) between 1960 and 2000. The mass balance of the glacier has …


June 26, 2009

Lyman Glacier a Century of Change-Years Numbered

This blog will focus glacier by glacier on the changes that are resulting from climate changes. Each has a unique story, yet there will be a recognizable refrain. Lyman Glacier, North Cascades, Washington retreated 1300 m from 1907 to 2008. Above is the glacier viewed from near Cloudy Pass in 1921 on a Mountaineers expedition and below in 2005. This 76% loss in length has been accompanied by a 88% …