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Publication:
Lake sediments as continental δ18O records from the glacial/post-glacial transition

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dc.contributor.authorSiegenthaler, U.
dc.contributor.authorEicher, U.
dc.contributor.authorOeschger, H.
dc.contributor.authorDansgaard, W.
dc.date.accessioned2024-09-02T17:49:37Z
dc.date.available2024-09-02T17:49:37Z
dc.date.issued1984
dc.description.abstractAs in polar ice, 18O variations of precipitation are recorded in carbonate sediments formed in lakes (lake marl). We have analyzed many late-glacial profiles from Europe, There are strong l8O variations which coincide with well-known pollen zone boundaries and which indicate that abrupt, drastic climatic changes occurred in the late glacial period. These events are a major warming around 13 ka BP (pollen zone boundary Oldest Dryas/Bölling) and a marked cold phase between about 10.8 and 10 ka BP (Younger Dryas). Comparison of the δ18O records of European lake sediments and of Greenland ice cores reveal a striking similarity which indicates that climatic changes in the late glacial and early postglacial were parallel in Greenland and in Europe. First results from North American lake-sediment profiles do not exhibit similar δ18O variations. This pattern of climatic changes was probably caused by retreating and readvancing polar water in the high-latitude North Atlantic Ocean, as discussed by Ruddiman and McIntyre (1981).
dc.description.numberOfPages4
dc.identifier.doi10.48350/158751
dc.identifier.publisherDOI10.3189/1984AoG5-1-149-152
dc.identifier.urihttps://boris-portal.unibe.ch/handle/20.500.12422/43362
dc.language.isoen
dc.publisherInternational Glaciological Society
dc.relation.conferenceSymposium on Ice and Climate Modelling
dc.relation.ispartofAnnals of glaciology
dc.relation.issn0260-3055
dc.relation.organizationDCD5A442BF29E17DE0405C82790C4DE2
dc.subject.ddc500 - Science::530 - Physics
dc.titleLake sediments as continental δ18O records from the glacial/post-glacial transition
dc.typeconference_item
dspace.entity.typePublication
oaire.citation.conferenceDate27 June - 1 July 1983
oaire.citation.conferencePlaceEvanston, Illinois, U.S.A.
oaire.citation.endPage152
oaire.citation.startPage149
oaire.citation.volume5
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unibe.date.licenseChanged2021-10-14 08:05:38
unibe.description.ispublishedpub
unibe.eprints.legacyId158751
unibe.refereedTRUE
unibe.subtype.conferencepaper

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