The Influence of Wildfires on Aerosol Size Distributions in Rural Areas

The number of particles and their size distributions were measured in a rural area, during the summer, using a PCASP-X. The aim was to study the influence of wildfires on particle size distributions. The comparative studies carried out reveal an average increase of around ten times in the number of...

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Bibliographic Details
Published in:TheScientificWorld 2012-01, Vol.2012 (2012), p.1-13
Main Authors: Alonso-Blanco, E., Calvo, Ana I., Fraile, R., Castro, A.
Format: Article
Language:English
Subjects:
Aerosols
Aerosols - analysis
Aerosols - chemistry
Analysis
Atmosphere
Atmospheric aerosols
Biomass
Climate
Comparative studies
Computer Simulation
Environmental aspects
Fires - statistics & numerical data
Humidity
Influence
Models, Statistical
Particle Size
Particulate Matter - analysis
Particulate Matter - chemistry
Portugal
Precipitation
Rural areas
Rural Population
Smoke
Statistical Distributions
Studies
Weather
Wildfires
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Summary:The number of particles and their size distributions were measured in a rural area, during the summer, using a PCASP-X. The aim was to study the influence of wildfires on particle size distributions. The comparative studies carried out reveal an average increase of around ten times in the number of particles in the fine mode, especially in sizes between 0.10 and 0.14 μm, where the increase is of nearly 20 times. An analysis carried out at three different points in time—before, during, and after the passing of the smoke plume from the wildfires—shows that the mean geometric diameter of the fine mode in the measurements affected by the fire is smaller than the one obtained in the measurements carried out immediately before and after (0.14 μm) and presents average values of 0.11 μm.
ISSN:2356-6140
1537-744X
1537-744X
DOI:10.1100/2012/735697