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Mass Balance of West Gulkana Glacier
Fred B. Chambers, Melvin G. Marcus and L. Sam Thompson
Vol. 81, No. 1 (Jan., 1991), pp. 70-86
Published by: American Geographical Society
Stable URL: http://www.jstor.org/stable/215177
Page Count: 17
You can always find the topics here!Topics: Glacial landforms, Glacier mass balance, Alpine glaciers, Ice, Glacial accumulation, Glaciers, Mass balance, Climate change, Maps, Snow
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Annual and longer-term mass-balance calculations provide a means to relate glacier behavior to climate. Selected representative glaciers are monitored for this purpose. West Gulkana Glacier, in the eastern Alaska Range, was among the glaciers mapped during the 1957-58 International Geophysical Year. It was remapped in 1986, after which twenty-nine-year mass balance was calculated. Annual budgets were also calculated for 1985-86 and 1986-87 glacier years. The three-decade record shows steady retreat and mass loss in the glacier's transitional marine-continental climate zone. West Gulkana Glacier is regionally representative of small, low-elevation valley systems. Caution must be exercised in relating its climatic responses to glaciers situated above 1,800 m.
Geographical Review © 1991 American Geographical Society