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Footprint Areas of Pollen From Alder (Alnus) and Birch (Betula) in the UK (Worcester) and Poland (Wrocław) During 2005–2014

Skjøth, C., Bilińska, D., Werner, Malgorzata, Malkiewicz, M., Adams-Groom, Beverley, Kryza, M. and Drzeniecka-Osiadacz, A. (2015) Footprint Areas of Pollen From Alder (Alnus) and Birch (Betula) in the UK (Worcester) and Poland (Wrocław) During 2005–2014. Acta Agrobotannica, 68 (4). pp. 315-324. ISSN Print: 0065-0951 Online: 2300-357X

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Abstract

In this study we analyzed daily pollen concentrations of Alnus spp. and Betula spp. from Worcester, UK and Wrocław, Poland. We analyzed seasonality, annual pollen index and footprint areas for the observed pollen concentrations by using the trajectory model hybrid single particle Lagrangian integrated trajectory (HYSPLIT). We examined 10 years of data during the period 2005–2014 and found substantial differences in the seasonality, pollen indices and footprint areas. For both genera, concentrations in Wrocław are in general much higher, the seasons are shorter and therefore more intense than in Worcester. The reasons appear to be related to the differences in overall climate between the two sites and more abundant sources in Poland than in England. The footprint areas suggest that the source of the pollen grains are mainly local trees but appear to be augmented by remote sources, in particular for Betula spp. but only to a small degree for Alnus spp. For Betula spp., both sites appear to get contributions from areas in Germany, the Netherlands and Belgium, while known Betula spp. rich regions in Russia, Belarus and Scandinavia had a very limited impact on the pollen concentrations in Worcester and Wrocław. Substantial and systematic variations in pollen indices are seen for Betula spp. in Wrocław with high values every second year while a similar pattern is not observed for Worcester. This pattern was not reproduced for Alnus spp.

Item Type: Article
Additional Information:

Originally deposited as National Pollen and Aerobiology Research Unit (NPARU)

Uncontrolled Keywords: aeroallergens, trajectories, HYSPLIT, climate, seasonality, sources
Subjects: Q Science > Q Science (General)
Divisions: Academic Departments > Institute of Science and the Environment
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Copyright Info: Open Access journal
Depositing User: Carsten Skjoth
Date Deposited: 21 Jan 2016 11:54
Last Modified: 18 Feb 2016 15:55
URI: https://eprints.worc.ac.uk/id/eprint/4113

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