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Combined Marine Proxy and Pollen Analyses Reveal Rapid Iberian Vegetation Response to North Atlantic Millennial-Scale Climate Oscillations

Published online by Cambridge University Press:  20 January 2017

Katherine H. Roucoux
Affiliation:
Godwin Institute for Quaternary Research, Godwin Laboratory, Department of Earth Sciences, University of Cambridge, New Museums Site, Pembroke Street, Cambridge, CB2 3SA, United Kingdom
Nicholas J. Shackleton
Affiliation:
Godwin Institute for Quaternary Research, Godwin Laboratory, Department of Earth Sciences, University of Cambridge, New Museums Site, Pembroke Street, Cambridge, CB2 3SA, United Kingdom
Lucia de Abreu
Affiliation:
Godwin Institute for Quaternary Research, Godwin Laboratory, Department of Earth Sciences, University of Cambridge, New Museums Site, Pembroke Street, Cambridge, CB2 3SA, United Kingdom
Joachim Schönfeld
Affiliation:
GEOMAR Research Center for Marine Geosciences, Wischhofstr., 1-3, Kiel, D-24148, Germany
Polychronis C. Tzedakis
Affiliation:
Godwin Institute for Quaternary Research, Department of Geography, University of Cambridge, Downing Site, Downing Place, Cambridge, CB2 3EN, United Kingdom

Abstract

A deep-sea sediment core from the western Portuguese margin has provided a continuous, high-resolution record of millennial-scale climatic oscillations during the interval 9000–65,000 yr B.P. Pollen analysis of the same sequence allows direct, in situ assessment of the phase relationship between the North Atlantic climate system and vegetation changes on the adjacent landmass. This demonstrates for the first time that variability in NW Iberian tree population size closely tracked millennial-scale climate variability.

Type
Short Paper
Copyright
University of Washington

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Combined Marine Proxy and Pollen Analyses Reveal Rapid Iberian Vegetation Response to North Atlantic Millennial-Scale Climate Oscillations
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