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    Trend and interannual variability in southeast Greenland Sea Ice : impacts on coastal Greenland climate variability

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    Date
    2014-12-02
    Author
    Moore, G. W. K.  Concept link
    Straneo, Fiamma  Concept link
    Oltmanns, Marilena  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/7178
    As published
    https://doi.org/10.1002/2014GL062107
    DOI
    10.1002/2014GL062107
    Keyword
     Greenland; Sea ice; Interannual variability; Lofoten Low; Icelandic Low 
    Abstract
    We describe the recent occurrence of a region of diminished sea ice cover or “notch” offshore of the Kangerdlugssuaq Fiord, the site of the largest tidewater glacier along Greenland's southeast coast. The notch's location is consistent with a topographically forced flux of warm water toward the fiord, and the decrease of the sea ice cover is shown to be associated with a regional warming of the upper ocean that began in the mid-1990s. Sea ice in the vicinity of the notch also exhibits interannual variability that is shown to be associated with a seesaw in surface temperature and sea ice between southeast and northeast Greenland that is not describable solely in terms of the North Atlantic Oscillation. We therefore argue that other modes of atmospheric variability, including the Lofoten Low, are required to fully document the changes to the climate that are occurring along Greenland's east coast.
    Description
    Author Posting. © American Geophysical Union, 2014. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 41 (2014): 8619–8626, doi:10.1002/2014GL062107.
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    • Physical Oceanography (PO)
    Suggested Citation
    Geophysical Research Letters 41 (2014): 8619–8626
     

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