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Relations between atmospheric circulation and mass balance of South Cascade Glacier, Washington, USA

Arctic & Alpine Research

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Abstract

The yearly net mass balance of South Cascade Glacier, Washington, has decreased since the mid-1970s. Resuls show that the decrease is primarily caused by a significant decrease in the winter mass balance. Changes in atmospheric circulation indicate a decrease in the movement of storms and moisture from the Pacific Ocean into the western contiguous United States. In addition, the increase in winter mean 700-mb heights over western Canada and the northern western contiguous United States indicates an increase in subsidence, which results in a warming and drying of the air that further reduces precipitation and also increases the ratio of rain to snow during the cold season. These factors contribute to below-average winter mass balances. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Relations between atmospheric circulation and mass balance of South Cascade Glacier, Washington, USA
Series title:
Arctic & Alpine Research
Volume
27
Issue:
3
Year Published:
1995
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
226
Last page:
233
Number of Pages:
8