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Centennial-scale climate change in Ireland during the Holocene

Swindles, G. T., Lawson, I. T., Matthews, I. P., Blaauw, M., Daley, T. J., Charman, D. J., Roland, T. P., Plunkett, G., Schettler, G., Gearey, B. R., Turner, T. E., Rea, H. A., Roe, H. M., Amesbury, M. J., Chambers, F. M., Holmes, J., Mitchell, F. J. G., Blackford, J., Blundell, A., Branch, N. , Holmes, J., Langdon, P., McCarroll, J., McDermott, F., Oksanen, P. O., Pritchard, O., Stastney, P., Stefanini, B., Young, D., Wheeler, J., Becker, J. and Armit, I. (2013) Centennial-scale climate change in Ireland during the Holocene. Earth Science Reviews, 126. pp. 300-320. ISSN 0012-8252

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To link to this item DOI: 10.1016/j.earscirev.2013.08.012

Abstract/Summary

We examine mid- to late Holocene centennial-scale climate variability in Ireland using proxy data from peatlands, lakes and a speleothem. A high degree of between-record variability is apparent in the proxy data and significant chronological uncertainties are present. However, tephra layers provide a robust tool for correlation and improve the chronological precision of the records. Although we can find no statistically significant coherence in the dataset as a whole, a selection of high-quality peatland water table reconstructions co-vary more than would be expected by chance alone. A locally weighted regression model with bootstrapping can be used to construct a ‘best-estimate’ palaeoclimatic reconstruction from these datasets. Visual comparison and cross-wavelet analysis of peatland water table compilations from Ireland and Northern Britain show that there are some periods of coherence between these records. Some terrestrial palaeoclimatic changes in Ireland appear to coincide with changes in the North Atlantic thermohaline circulation and solar activity. However, these relationships are inconsistent and may be obscured by chronological uncertainties. We conclude by suggesting an agenda for future Holocene climate research in Ireland.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Archaeology, Geography and Environmental Science > Department of Geography and Environmental Science
Faculty of Science > School of Archaeology, Geography and Environmental Science > Department of Archaeology
ID Code:33645
Publisher:Elsevier

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