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Modelling the vegetation response to the 8.2 ka bp cooling event in Europe and Northern Africa

  • Huan Li
  • Hans Renssen
  • Didier M. Roche
  • Paul A. Miller
Publishing year: 2019-11-03
Language: English
Pages: 650-661
Publication/Series: Journal of Quaternary Science
Volume: 34
Issue: 8
Document type: Journal article
Publisher: John Wiley and Sons Inc.

Abstract english

The 8.2 ka bp cooling event is assumed to be the most clearly marked abrupt climate event in the Holocene at northern mid- to high latitudes. In this study, we simulate the vegetation responses to the 8.2 ka bp climate change event over Europe and Northern Africa. Our results show that all dominant plant functional types (PFTs) over Europe and North Africa respond to these climate changes, but the magnitude, timing and impact factor of their responses are different. Compared with pollen-based vegetation reconstructions, our simulation generally captures the main features of vegetation responses to the 8.2 ka bp event. Interestingly, in Western Europe, the simulated vegetation after perturbation is different from its initial state, which is consistent with two high-resolution pollen records. This different vegetation composition indicates the long-lasting impact of abrupt climate change on vegetation through eco-physiological and ecosystem demographic processes, such as plant competition. Moreover, our simulations suggest a latitudinal gradient in the magnitude of the event, with more pronounced vegetation responses to the severe cooling in the north and weaker responses to less severe cooling in the south. This effect is not seen in pollen records.


  • Climate Research
  • 8.2 ka bp cooling event
  • long-lasting effects of abrupt climate change
  • plant functional types (PFTs)
  • pollen reconstructions
  • vegetation simulations comparisons


  • ISSN: 0267-8179
E-mail: paul [dot] miller [at] nateko [dot] lu [dot] se

Department of Physical Geography and Ecosystem Science
Lund University
Sölvegatan 12
S-223 62 Lund

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