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Journal of Applied Remote Sensing

Suspended particulate matter sampling at an urban AERONET site in Japan, part 1: clustering analysis of aerosols
Author(s): Sonoyo Mukai; Mitsuru Nishina; Itaru Sano; Makiko Mukai; Nobukazu Iguchi; Shoji Mizobuchi
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Paper 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.

Paper Details

Date Published: 1 June 2007
PDF: 12 pages
J. Appl. Remote Sens. 1(1) 013518 doi: 10.1117/1.2762202
Published in: Journal of Applied Remote Sensing Volume 1, Issue 1
Show Author Affiliations
Sonoyo Mukai, Kinki Univ. (Japan)
Mitsuru Nishina, Kinki Univ. (Japan)
Itaru Sano, Kinki Univ. (Japan)
Makiko Mukai, The Univ. of Tokyo (Japan)
Nobukazu Iguchi, Kinki Univ. (Japan)
Shoji Mizobuchi, Kinki Univ. (Japan)


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