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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-5045

Favilli, F; Egli, M; Brandova, D; Ivy-Ochs, S; Kubik, P W; Maisch, M; Cherubini, P; Haeberli, W (2009). Combination of numerical dating techniques using 10Be in rock boulders and 14C in resilient soil organic matter for reconstructing glacial and periglacial processes in a high alpine catchment during the late Pleistocene and early Holocene. Radiocarbon, 51(2):537-552.

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Glacier fluctuations and paleoclimatic oscillations during the Late Quaternary in Val di Rabbi (Trentino, northern Italy) were reconstructed using a combination of absolute dating techniques (14C and 10Be) and soil chemical characterization. Extraction and dating of the stable fraction of soil organic matter (SOM) gave valuable information about the minimum age of soil formation and contributed to the deciphering of geomorphic surface dynamics. The comparison of 10Be surface exposure dating (SED) of rock surfaces with the 14C ages of resilient (resistant to H2O2 oxidation) soil organic matter gave a fairly good agreement, but with some questionable aspects. It is concluded that, applied with adequate carefulness, dating of SOM with 14C might be a useful tool in reconstructing landscape history in high Alpine areas with siliceous parent material. The combination of 14C dating of SOM with SED with cosmogenic 10Be (on moraines and erratic boulders) indicated that deglaciation processes in Val di Rabbi were already ongoing by around 14,000 cal BP at an altitude of 2300 m asl and that glacier oscillations might have affected the higher part of the region until about 9000 cal BP. 10Be and 14C ages correlate well with the altitude of the sampling sites and with the established Lateglacial chronology.



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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Date:September 2009
Deposited On:21 Jan 2009 08:08
Last Modified:05 Apr 2016 12:32
Publisher:Dept. of Geosciences, University of Arizona
Additional Information:5th International Symposium "Radiocarbon Archaelogy", 26-28 March 2008, Zurich, Switzerland
Official URL:http://digitalcommons.library.arizona.edu/holdings/journal/article?r=http%3A%2F%2Fradiocarbon.library.arizona.edu%2FVolume51%2FNumber2%2F4fd94eca-6fc5-4b53-9ce7-793d4636d1d7
Related URLs:http://www.radiocarbon.org/ (Organisation)

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