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Differing atmospheric scales of motion and their impact on air pollutants

Identifying the dominant atmospheric scale of motion over a given airshed can be of great importance for many applications such as air pollutants dispersion, pollen dispersion and wind energy. In this work, a method is proposed for differentiating between the synoptic, meso and local scales that can be applied on a daily basis from data collected at several wind‐measuring sites in a given airshed. The method is based on the daily mean quantitative measure of wind recirculation measured at each site, and the mean and standard deviation between sites.