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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/cpd-7-4335-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cpd-7-4335-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 16 Dec 2011

Research article | 16 Dec 2011

Review status
This discussion paper is a preprint. It has been under review for the journal Climate of the Past (CP). A final paper in CP is not foreseen.

Correlation of Greenland ice-core isotope profiles and the terrestrial record of the Alpine Rhine glacier for the period 32–15 ka

M. G. G. De Jong1,2, L. W. S. de Graaff2, A. C. Seijmonsbergen3, and A. R. Böhm4 M. G. G. De Jong et al.
  • 1Surface and Subsurface Resources, Berkenrodestraat 17, 2012 LA, Haarlem, The Netherlands
  • 2Research Foundation for Alpine and Subalpine Environments (RFASE), Buiksloterbreek 14, 1034 XC Amsterdam, The Netherlands
  • 3Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Sciencepark 904, 1098 XH Amsterdam, The Netherlands
  • 4Cathay Geotech (Beijing) Science & Technology Company Ltd., Room 1602, Xinhualianligang No2 Jiuxian Qiao Road 12, Chaoyang District, Beijing, China

Abstract. We present a newly extended stratigraphic subdivision of the Greenland NGRIP, GRIP and GISP2 ice cores for the period 32–15 ka. Our classification emphasizes the multiscale nature of the climatic oscillations. Spectral trend analysis of isotopic data supports this interpretation. We compare this time series with the stratigraphy of the last major Pleistocene (Weichselian, Würmian) glaciation in the area of the Rhine glacier (Germany and Austria) as chronicled by a detailed inventory of landforms and deposits, dated in part with 14C analyses, and their interpretation in terms of climate change. Both time series show a major climatic oscillation, consisting of a colder period (glaciation) followed by a warmer period (deglaciation). The available dates allow the time of change, at 23.4 ka, to be correlated between the two. Pattern analysis clearly indicates that higher-order oscillations were superimposed on the major oscillation in both areas, emphasizing the multiscale nature of the underlying pattern of climate change. The correlation between the two areas is sufficiently good to propose that the pattern of climate change was synchronous (within the available time resolution) between Greenland and the Rhine glacier area. Comparison of our results with other high resolution climate proxies is expected to further improve the understanding of the climate changes during the Late Weichselian.

M. G. G. De Jong et al.
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M. G. G. De Jong et al.
M. G. G. De Jong et al.
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