Physics
Scientific paper
Aug 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jastp..73.1883f&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 73, Issue 13, p. 1883-1889.
Physics
Scientific paper
This work aims to analyze the relationship between in situ measurements of PM10 mass concentrations near the ground and daily mean Aerosol Optical Depth (AOD) values. Measurements were performed with sun-photometers part of the Aerosol Robotic Network (AERONET) for AOD, and low-volume samplers near the ground for in situ PM10 mass concentrations. The analysis was applied for some periods of 2007 and 2009. It is known that several factors like aerosol vertical distribution or hygroscopic growth factor could affect the link between PM10 ground measurements and AOD. Using a new filtering condition, our linear regression analysis results have shown a significant correlation coefficient, around 0.70. It may be concluded that the columnar optical observation can be transferred to the near-surface conditions with a rather high degree of confidence. This study showed that it is possible to use sun photometric measurements to improve existent air quality surveillance or to extend their spatial coverage.
Filip Luminita
Stefan Sabina
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