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|a Cosmogenic nuclide evidence for enhanced sensitivity of an East Antarctic ice stream to change during the last deglaciation |h [electronic resource]. |
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|a [S.l.] : |b Geological Society of America, |c 2011. |
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|a Geology Volume 39 Number 1. |
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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 Glacial sediments from the Prince Charles Mountains, East Antarctica, record late Pleistocene
ice thickness variability in the Lambert Glacier–Amery Ice Shelf system, one of the
world’s largest ice drainages. A former glacial limit, demarcated by minimally weathered
deposits, follows a concave longitudinal profi le, indicating a zone of strong ice streaming
through the northernmost 500 km of the Lambert Graben. In situ 10Be and 26Al exposure ages from these relatively unweathered deposits indicate that the most recent phase of ice lowering occurred between ca. 18 and 8 ka, preceding by as many as 6 k.y. the deglaciation of adjacent coastal regions. Earlier onset of deglaciation in an area of strong ice streaming suggests a heightened sensitivity of the East Antarctic Ice Sheet to climate and sea-level changes following the Last Glacial Maximum than previously recognized. |
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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/FI15062067/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/20/67/00001/FI15062067_thm.jpg |