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Assessing streamflow sensitivity to variations in glacier mass balance

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Shad O’Neel, Eran Hood, Anthony Arendt, and Louis Sass, 2013-12, Assessing streamflow sensitivity to variations in glacier mass balance: Climatic Change.

Summary

Abstract: We examine long-term streamflow and mass balance data from two Alaskan glaciers located in climatically distinct basins: Gulkana Glacier, a continental glacier located in the Alaska Range, and Wolverine Glacier, a maritime glacier located in the Kenai Mountains. Over the 1966–2011 study interval, both glaciers lost mass, primarily as a result of summer warming, and streamflow increased in both basins. We estimate total glacier runoff via summer mass balance and quantify the fraction of runoff related to annual mass imbalances. In both climates, annual (net) mass balance contributes, on average, less than 20 % of total streamflow, substantially less than the fraction related to summer mass loss (>50 %), which occurs even in [...]

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  • Alaska CASC
  • National and Regional Climate Adaptation Science Centers

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citationTypeJournal Article
editionMarch 2014, Volume 123, Issue 2, pp 329-341
journalClimatic Change

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