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CR 53:263-269 (2012)  -  DOI:

As we see it
Effects of sample size in dendroclimatology

Ulf Büntgen1,2,*, Willy Tegel3,*, Karl-Uwe Heussner4, Jutta Hofmann5, Raymond Kontic6, Tomáš Kyncl7, Edward R. Cook8

1Swiss Federal Research Institute WSL, 8903 Birmensdorf, Switzerland
2Oeschger Centre for Climate Change Research, 3012 Bern, Switzerland
3Institute for Forest Growth IWW, University of Freiburg, 79085 Freiburg, Germany
4German Archaeological Institute DAI, 14195 Berlin, Germany
5Jahrringlabor Hofmann, 72622 Nürtingen, Germany
6Labor Dendron, 4057 Basel, Switzerland
7Moravian Dendro-Labor, 61600 Brno, Czech Republic
8Tree-Ring Laboratory, Lamont-Doherty Earth Observatory, Palisades, New York 10964, USA

ABSTRACT: Uncertainty related to the rate and magnitude of predicted anthropogenic climate change highlights the need to enhance our understanding of past natural fluctuations in the Earth’s climate system. This task emphasizes the importance of high-resolution palaeoclimatic records that cover industrial and pre-industrial times. Annually resolved and absolutely dated tree-ring measurements are a key input for cross-disciplinary research. Ambiguity due to paucity of data, however, characterizes many tree-ring data analyses. By utilizing nearly 12000 living and historical ring width series from European fir Abies alba Mill., we demonstrate how massive sample replication can generate robust estimates of past growth rates, which may help reduce methodological and statistical constraints associated with many traditional tree-ring studies.

KEY WORDS: Climate change · Dendroclimatology · European fir · Forest growth · Palaeoclimatology · Tree rings

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Cite this article as: Büntgen U, Tegel W, Heussner KU, Hofmann J, Kontic R, Kyncl T, Cook ER (2012) Effects of sample size in dendroclimatology. Clim Res 53:263-269.

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