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Journal of Applied Remote Sensing

Suspended particulate matter sampling at an urban AERONET site in Japan, part 2: relationship between column aerosol optical thickness and PM2.5 concentration
Author(s): Itaru Sano; Makiko Mukai; Nobukazu Iguchi; Sonoyo Mukai
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Paper Abstract

The concentration of suspended particulate matter smaller than 2.5 μm (PM2.5) was linearly correlated with the column aerosol optical thickness (AOT) based on simultaneous measurements at a NASA/AERONET station at Kinki University Campus, Higashi-Osaka, Japan, between March 2004 and June 2006. The correlation coefficient differed with the aerosol type, being maximal when PM2.5 values were measured 120 minutes after AOT data for a dust episode, but almost independent of the time difference between measurements for anthropogenic aerosols. The obtained results were validated using data obtained at the Higashi-Osaka and Noto sites. Our results suggest that the PM2.5 mass concentration can be estimated from the AOT, and vice versa, and hence a distribution map of PM2.5 can be produced from the satellite-derived AOT map determined from the Aqua/MODIS sensor.

Paper Details

Date Published: 1 February 2010
PDF: 14 pages
J. Appl. Remote Sens. 4(1) 043504 doi: 10.1117/1.3327930
Published in: Journal of Applied Remote Sensing Volume 4, Issue 1
Show Author Affiliations
Itaru Sano, Kinki Univ. (Japan)
Makiko Mukai, Japan Aerospace Exploration Agency (Japan)
Nobukazu Iguchi, Kinki Univ. (Japan)
Sonoyo Mukai, Kinki Univ. (Japan)

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