Suspended particulate matter sampling at an urban AERONET site in Japan, part 1: clustering analysis of aerosols

Sonoyo Mukai; Mitsuru Nishina; Itaru Sano; Makiko Mukai; Nobukazu Iguchi; Shoji Mizobuchi

doi:10.1117/1.2762202

1 June 2007 Suspended particulate matter sampling at an urban AERONET site in Japan, part 1: clustering analysis of aerosols

Sonoyo Mukai, Mitsuru Nishina, Itaru Sano, Makiko Mukai, Nobukazu Iguchi, Shoji Mizobuchi

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 1, Issue 1, 013518 (June 2007). https://doi.org/10.1117/1.2762202

Abstract

The aerosol properties of urban atmospheric particles have been analyzed for radiometry data obtained using a multi-spectral photometer located at a NASA/AERONET station at Kinki University Campus, Higashi-Osaka, Japan, since 2002. The suspended particulate matter has been simultaneously measured at the same AERONET site since 2004. Our measurements and a clustering analysis reveal the aerosol types over the industrial city of Higashi-Osaka. It is shown that aerosols at Higashi-Osaka can be classified into three categories: (1) ordinary, which represents the background clear atmosphere of Higashi-Osaka, (2) anthropogenic aerosol events, and (2) dust episodes called Kosa, when large amounts of soil dust are transported to Higashi-Osaka from the Chinese mainland on westerly winds, especially in spring. We also found that the linear correlation exists between column aerosol optical thickness and PM2.5 concentration, and the correlation is better within each aerosol cluster than overall.

Citation Download Citation

Sonoyo Mukai, Mitsuru Nishina, Itaru Sano, Makiko Mukai, Nobukazu Iguchi, and Shoji Mizobuchi "Suspended particulate matter sampling at an urban AERONET site in Japan, part 1: clustering analysis of aerosols," Journal of Applied Remote Sensing 1(1), 013518 (1 June 2007). https://doi.org/10.1117/1.2762202

Published: 1 June 2007

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