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Seasonality of snow accumulation at Mount Wrangell, Alaska, USA

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Title: Seasonality of snow accumulation at Mount Wrangell, Alaska, USA
Authors: Kanamori, Syosaku Browse this author
Benson, Carl S. Browse this author
Truffer, Martin Browse this author
Matoba, Sumito Browse this author →KAKEN DB
Solie, Daniel J. Browse this author
Shiraiwa, Takayuki Browse this author →KAKEN DB
Keywords: 氷河
Mt. Wrangell
Accumulation rate
Ice core
Issue Date: Mar-2008
Publisher: International Glaciological Society
Journal Title: Journal of Glaciology
Volume: 54
Issue: 185
Start Page: 273
End Page: 278
Publisher DOI: 10.3189/002214308784886081
Abstract: We recorded the burial times of temperature sensors mounted on a specially constructed tower to determine snow accumulation during individual storms in the summit caldera of Mount Wrangell, Alaska, USA, (628 N, 1448W; 4100ma.s.l.) during the accumulation year June 2005 to June 2006. The experiment showed most of the accumulation occurred in episodic large storms, and half of the total accumulation was delivered in late summer. The timing of individual events correlated well with storms recorded upwind, at Cordova, the closest Pacific coastal weather station (200kmsouthsoutheast), although the magnitude of events showed only poor correlation. Hence, snow accumulation at Mount Wrangell appears to be a reflection of synoptic-scale regional weather systems. The accumulation at Mount Wrangell’s summit (>2.5mw.e.) exceeded the precipitation at Cordova. Although the direct relationship between accumulation of individual storms at the summit of Mount Wrangell and precipitation events at Cordova may be unique in the region, it is useful for interpreting ice cores obtained on Mount Wrangell. This is especially the case here because the high rate of accumulation allows high time resolution within the core.
Rights: © 2008 International Glaciological Society
Type: article
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 金森 晶作

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