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Influence of the North Atlantic Oscillation on Grass Pollen Counts in Europe

Smith, Matthew and Emberlin, Jean and Stach, Alicja and Rantio-Lehtimäki, A. and Caulton, E. and Thibaudon, M. and Sindt, C. and Jaeger, S. and Gehrig, R. and Frenguelli, G. and Jato, V. and Rodríguez Rajo, F.J. and Alcázar, P. and Galan, C. (2009) Influence of the North Atlantic Oscillation on Grass Pollen Counts in Europe. Aerobiologia, 25 (4). pp. 321-332. ISSN 0393-5965 (Print) 1573-3025 (Online)

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Abstract

Relationships between temporal variations in the North Atlantic Oscillation (NAO) and grass pollen counts at 13 sites in Europe, ranging from Córdoba in the South-West and Turku in the North-East, were studied in order to determine spatial differences in the amount of influence exerted by the NAO on the timing and magnitude of grass pollen seasons. There were a number of significant (p<0.05) relationships between the NAO and start dates of the grass pollen season at the 13 pollen-monitoring sites. The strongest associations were generally recorded near to the Atlantic coast. Several significant correlations also existed between winter averages of the NAO and grass pollen season severity. Traditional methods for predicting the start or magnitude of grass pollen seasons have centred on the use of local meteorological observations, but this study has shown the importance of considering large-scale patterns of climate variability like the NAO.

Item Type: Article
Uncontrolled Keywords: North Atlantic Oscillation, grass pollen, cluster analysis, phenology, aerobiology, latitude
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Research Centres > National Pollen and Aerobiology Research Unit
Depositing User: Matthew Smith
Date Deposited: 05 Nov 2009 15:46
Last Modified: 26 Nov 2014 09:51
URI: https://eprints.worc.ac.uk/id/eprint/467

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