Classification, Analysis And Interaction Of Solid
Airborne Particles In Urban Environments
Author(s)
P. Cariñanos, C. Galán, P. Alcázar & E. Dominguez
Abstract
An analysis was made of airborne solid particulate matter in Córdoba, a city in
the southwestern Iberian Peninsula with a Mediterranean climate. The detection
and analysis techniques used enabled solid particles to be classified by size, by
biogenic or non-biogenic origin, and by natural source of emission, e.g. pollen
grains released by vascular plants during the pollen season, or particles
attributable to human activity. Airborne particles of biogenic origin were
predominant in the spectrum of the air in Córdoba. Intradiurnal variations in
solid-particle counts closely reflected human activities, especially traffic. Peak
biogenic-particle counts at times coincided with peak non-biogenic particle
counts, suggesting that in certain weather conditions, particulate matter is not
dispersed due to the high degree of atmospheric stability, and also that there may
be interactions between the two types of particle, mediated by the presence of
very small allergenic particles. This joint action may prompt a worsening of
symptoms in pollen-allergy sufferers, as well as a deterioration in biological air
quality.
Keywords: solid suspended particles, PM10 particles, pollen grains,
aerobiology, urban air pollution.
1 Introduction
In many places, urban development – often with little regard for environmental
sustainability – has prompted a sharp increase in air pollution, to the extent that
the air is fast becoming a health threat rather than a healthy element. Of the six
Keywords
solid suspended particles, PM10 particles, pollen grains,
aerobiology, urban air pollution.
Related Book
Other papers in this volume
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