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      Temporal and spatial variation in active layer depth in the McMurdo Sound Region, Antarctica

      Adlam, Leah Seree; Balks, Megan R.; Seybold, Cathy A.; Campbell, David I.
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      Balks Temporal and spatial.pdf
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      DOI
       10.1017/S0954102009990460
      Link
       journals.cambridge.org
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      Adlam, L.S., Balks, M.R., Seybold, C.A. & Campbell, D.I. (2010). Temporal and spatial variation in active layer depth in the McMurdo Sound Region, Antarctica. Antarctic Science, 22(1), 45-52.
      Permanent Research Commons link: https://hdl.handle.net/10289/4562
      Abstract
      A soil climate monitoring network, consisting of seven automated weather stations, was established between 1999 and 2003, ranging from Minna Bluff to Granite Harbour and from near sea level to about 1700m on the edge of the polar plateau. Active layer depth was calculated for each site for eight successive summers from 1999/2000 to 2006/2007. The active layer depth varied from year to year and was deepest in the warm summer of 2001–02 at all recording sites. No trends of overall increase or decrease in active layer depth were evident across the up-to-eight years of data investigated. Average active layer depth decreased with increasing latitude from Granite Harbour (778S, active layer depth of.90 cm) to Minna Bluff (78.58S, active layer depth of 22 ± 0.4 cm), and decreased with increasing altitude from Marble Point (50m altitude, active layer depth of 49 ± 9 cm) through to Mount Fleming (1700m altitude, active layer depth of 6 ± 2 cm). When all data from the sites were grouped together and used to predict active layer depth the mean summer air temperature, mean winter air temperature, total summer solar radiation and mean summer wind speed explained 73% of the variation (R250.73).
      Date
      2010
      Type
      Journal Article
      Publisher
      Cambridge University Press
      Rights
      This article is published in the journal, Antarctic Science. Copyright © Antarctic Science Ltd 2009.
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      • Science and Engineering Papers [3124]
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