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Holocene climate variability on millennial scales recorded in Greenland ice cores

  • Climate variability is triggered by several solar and orbital cycles as well as by the intern ocean dynamics. Consequently, paleoclimate proxy records are expected to vary on very different time scales ranging from subdecadal to millennial duration. We demonstrate, that Foster's (Foster, 1996) wavelet analysis technique is an appropriate tool for investigating temporarily changing spectral properties of records characterized by awkward sampling quality, which is a typical feature of climate proxy records. By applying it to the Holocene part of different glaciochemical records of Greenland ice cores we proof evidence for a significant contribution of the 1.47 kiloyears cycle over alomst the entire Holocene

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Metadaten
Author:Annette Witt, A. Y. Schumann
ISSN:1023-5809
Document Type:Article
Language:English
Year of first Publication:2005
Year of Completion:2005
Release Date:2017/03/24
Source:Nonlinear Processes in Geophysics. - ISSN 1023-5809. - 12 (2005), 3, S. 345 - 352
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert
Institution name at the time of publication:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik