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|a Northern Hemisphere ice-sheet responses to past climate warming |h [electronic resource]. |
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|a [S.l.] : |b Macmillan Publishers Limited, |c 2012. |
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|a Nature Geoscience Volume 5 |y English. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Discharge from marine-terminating outlet glaciers represents a key component of the
Greenland Ice Sheet mass budget and observations suggest that mass loss from northwest
Greenland has recently accelerated. Despite this, the factors controlling outlet glacier
dynamics within this region have been comparatively poorly studied. Here we use remotely
sensed data to investigate the influence of atmospheric, oceanic, and glacier-specific
controls on the frontal position of Alison Glacier (AG), northwest Greenland, and nine
surrounding outlet glaciers. AG retreated by 9.7 km between 2001 and 2005, following at
least 25 years of minimal change. Results suggest that sea ice and air temperatures influence
glacier frontal position at seasonal and interannual timescales. However, the response of
individual outlet glaciers to forcing was strongly modified by factors specific to each glacier,
specifically variations in fjord width and terminus type. Overall, our results underscore the
need to consider these factors in order to interpret recent rapid changes and predict the
dynamic response of marine-terminating outlet glaciers to atmospheric and oceanic forcing. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15062159/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/21/59/00001/FI15062159_thm.jpg |
