Abstract：
:Much uncertainty exists about the history of the Greenland Ice Sheet (GIS), particularly as to the frequency of extreme shelf edge glaciations. Because the last glaciation removed most of the record of earlier GIS extent on land and shelf exploration of the older GIS glacial record requires the use of deeper marine archives. Here we present seismic evidence for the frequency of extreme shelf edge glaciations offshore southwest Greenland. Our findings reveal that since the GIS formation only 5 glaciations were characterized by an ice sheet covering the entire shelf of southern Greenland. We estimate an age of around 4.5 million years (my) for the oldest episode and found that such extreme GIS expansions may have occur here only 3 times within the past c. 1.5 my. We thus conclude that the first large shelf edge glaciation of southern Greenland did occur prior to the Pliocene warmth epoch.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Nielsen T,Kuijpers Adoi
10.1038/srep01875subject
Has Abstractpub_date
2013-01-01 00:00:00pages
1875issn
2045-2322pii
srep01875journal_volume
3pub_type
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-03-15 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
doi：10.1038/s41598-020-66380-4
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pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
doi：10.1038/srep09500
更新日期：2015-04-02 00:00:00
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pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2015-02-27 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
doi：10.1038/s41598-018-20067-z
更新日期：2018-01-29 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2015-01-26 00:00:00
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journal_title：Scientific reports
pub_type： 已发布勘误
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更新日期：2020-04-16 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2016-08-22 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2017-03-07 00:00:00
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pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2017-03-24 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2019-06-25 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2018-01-08 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-06-01 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2020-03-05 00:00:00
