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Examining high magnitude grass pollen episodes at Worcester, United Kingdom, using back-trajectory analysis

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Abstract

Trajectory analysis is a valuable tool that has been used before in aerobiological studies, to investigate the movement of airborne pollen. This study has employed back-trajectories to examine the four highest grass pollen episodes at Worcester, during the 2001 grass pollen season. The results have shown that the highest grass pollen counts of the 2001 season were reached when air masses arrived from a westerly direction. Back-trajectory analysis has a limited value to forecasters because the method is retrospective and cannot be employed directly for forecasting. However, when used in conjunction with meteorological data this technique can be used to examine high magnitude events in order to identify conditions that lead to high pollen counts.

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Abbreviations

BADC:

The British Atmospheric Data Centre

BAF:

British Aerobiology Federation

BST:

British Summer Time

ECMWF:

European Centre for Medium Range Weather Forecasting

Mb:

millibars

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Correspondence to Jean Emberlin.

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Smith, M., Emberlin, J. & Kress, A. Examining high magnitude grass pollen episodes at Worcester, United Kingdom, using back-trajectory analysis. Aerobiologia 21, 85–94 (2005). https://doi.org/10.1007/s10453-005-4178-8

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