A Tree-Ring chronology from Allerød–YD transition from Koźmin (Central Poland)

Author:

Krąpiec Marek1,Szychowska-Krąpiec Elżbieta1,Barniak Joanna1,Goslar Tomasz23,Kittel Piotr4,Michczyńska Danuta J.5,Michczyński Adam5,Piotrowska Natalia5,Rakowski Andrzej5,Wiktorowski Damian1

Affiliation:

1. Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology , Kraków , Poland

2. Faculty of Physics, Adam Mickiewicz University , Poznań , Poland

3. Poznań Radiocarbon Laboratory, Foundation of the A. Mickiewicz University , Poznań , Poland

4. Faculty of Geographical Sciences, Department of Geomorphology and Palaeogeography, University of Lodz , Lodz , Poland

5. Institute of Physics - CSE, Silesian University of Technology , Gliwice , Poland

Abstract

Abstract Subfossil trunks of pine (Pinus sylvestris L.) from the Late Weichselian were discovered in the site Koźmin in the Koło Basin, central Poland (Dzieduszyńska et al., 2014a). Another part of organic sediments with trunks was excavated in the frame of the research project. Altogether 224 samples from Koźmin were analysed dendrochronologically; they represented generally young trees, 40 to 70 years old. Based on the most convergent sequences, the chronology 2KOL_A1 was produced, 210 years in length. With the wiggle-matching method, it was dated to ca. 13065–12855 cal BP. Dendrochronological dating of trunks buried in organic sediments, most of which occurred in situ, revealed that tree deaths occurred successively, over more than 100 years. That could have been due to unfavourable climatic conditions, as well as extreme events, e.g. strong winds.

Publisher

Walter de Gruyter GmbH

Subject

Earth and Planetary Sciences (miscellaneous)

Reference44 articles.

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