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- Title
Holocene climate variability on millennial scales recorded in Greenland ice cores.
- Authors
Witt, A.; Schumann, A. Y.; Thiel, M.; Vos, H.
- Abstract
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.
- Subjects
ICE cores; DRILL cores; CLIMATOLOGY; PROXY statements; PLEISTOCENE-Holocene boundary
- Publication
Nonlinear Processes in Geophysics, 2005, Vol 12, Issue 3, p345
- ISSN
1023-5809
- Publication type
Article
- DOI
10.5194/npg-12-345-2005