Suspended particulate matter sampling at an urban AERONET site in Japan, part 2: relationship between column aerosol optical thickness and PM2.5 concentration

Itaru Sano; Makiko Mukai; Nobukazu Iguchi; Sonoyo Mukai

doi:10.1117/1.3327930

1 February 2010 Suspended particulate matter sampling at an urban AERONET site in Japan, part 2: relationship between column aerosol optical thickness and PM_2.5 concentration

Itaru Sano, Makiko Mukai, Nobukazu Iguchi, Sonoyo Mukai

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 4, Issue 1, 043504 (February 2010). https://doi.org/10.1117/1.3327930

Abstract

The concentration of suspended particulate matter smaller than 2.5 μm (PM_2.5) 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 PM_2.5 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 PM_2.5 mass concentration can be estimated from the AOT, and vice versa, and hence a distribution map of PM_2.5 can be produced from the satellite-derived AOT map determined from the Aqua/MODIS sensor.

Citation Download Citation

Itaru Sano, Makiko Mukai, Nobukazu Iguchi, and Sonoyo Mukai "Suspended particulate matter sampling at an urban AERONET site in Japan, part 2: relationship between column aerosol optical thickness and PM_2.5 concentration," Journal of Applied Remote Sensing 4(1), 043504 (1 February 2010). https://doi.org/10.1117/1.3327930

Published: 1 February 2010

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