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Reconstructing climate variability from Greenland ice sheet accumulation: An ERA40 study

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cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtual.author-orcid0000-0003-0176-0602
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cris.virtualsource.author-orcidc70848d5-2add-4c31-8df3-2af0f3b56bbd
cris.virtualsource.author-orcidfe1713bf-98df-4092-914f-2d1b4f1a3969
cris.virtualsource.author-orcid46d13f97-a7ed-4563-b9ac-ba3a7ef16c50
dc.contributor.authorHutterli, Manuel
dc.contributor.authorRaible, Christoph
dc.contributor.authorStocker, Thomas
dc.date.accessioned2024-09-02T17:46:53Z
dc.date.available2024-09-02T17:46:53Z
dc.date.issued2005
dc.description.abstractRe-analysis data covering the period 1958–2001 are used to investigate the relationship between regional, inter-annual snow accumulation variability over the Greenland Ice Sheet (GrIS) and large scale circulation patterns, cyclone frequency, and strength. Four regions of the GrIS have been identified that are highly independent with respect to accumulation variability. Accumulation indices of three of these regions are associated with distinct large-scale circulation patterns: Central-western GrIS reveals an inverse relationship with a NAO-like pattern, the south-west a positive correlation with a high pressure bridge from central North Atlantic to Scandinavia, and the south-eastern GrIS a positive correlation with a high-pressure anomaly over the Greenland Sea. These large-scale patterns also impact European climate in different ways. Accumulation variability in north-eastern GrIS, however, is dominated by cyclones originating from the Greenland Sea. Thus, Greenland ice core accumulation records offer the potential to reconstruct various large-scale circulation patterns and regional storm activity.
dc.description.numberOfPages4
dc.description.sponsorshipPhysikalisches Institut, Klima- und Umweltphysik (KUP)
dc.identifier.doi10.48350/158456
dc.identifier.publisherDOI10.1029/2005GL024745
dc.identifier.urihttps://boris-portal.unibe.ch/handle/20.500.12422/43150
dc.language.isoen
dc.publisherAmerican Geophysical Union
dc.relation.ispartofGeophysical Research Letters
dc.relation.issn0094-8276
dc.relation.organizationDCD5A442BF29E17DE0405C82790C4DE2
dc.subject.ddc500 - Science::530 - Physics
dc.titleReconstructing climate variability from Greenland ice sheet accumulation: An ERA40 study
dc.typearticle
dspace.entity.typePublication
oaire.citation.issue23
oaire.citation.volume32
oairecerif.author.affiliationPhysikalisches Institut, Klima- und Umweltphysik (KUP)
oairecerif.author.affiliationPhysikalisches Institut, Klima- und Umweltphysik (KUP)
oairecerif.author.affiliationPhysikalisches Institut, Klima- und Umweltphysik (KUP)
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unibe.date.licenseChanged2021-09-02 13:00:52
unibe.description.ispublishedpub
unibe.eprints.legacyId158456
unibe.journal.abbrevTitleGEOPHYS RES LETT
unibe.refereedTRUE
unibe.subtype.articlejournal

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