Atmospheric Recirculation On The East Coast Of
Gran Canaria Island
Author(s)
N. Pérez, G. Rodríguez & J. M. Pacheco
Abstract
A preliminary statistical study on the meteorological conditions governing the air
quality, in terms of atmospheric recirculation, ventilation, and stagnation, on the
east coast of Gran Canaria Island, a generally well-ventilated area, is presented.
The study is based on the use of an objective methodology using single-station
long-term time series of surface wind velocity. It is shown that, although during
long periods, dominant wind conditions lead to substantial renovation of air
masses at the study area, there exists a statistically significant probability of
extreme events of recirculation which facilitate conditions for air pollutant
accumulation, with eventual severe impacts on air quality. The frequency of
occurrence of high recirculation factors presents a clear annual pattern reaching
its maximum in winter.
Keywords
low atmosphere coastal circulation, atmospheric recirculation,
ventilation and stagnation, pollutant transport modelling.
Related Book
Other papers in this volume
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