Evaluation of air quality from space

Sonoyo Mukai; Itaru Sano; Makiko Mukai; Masayoshi Yasumoto

doi:10.1117/12.735208

17 October 2007 Evaluation of air quality from space

Sonoyo Mukai, Itaru Sano, Makiko Mukai, Masayoshi Yasumoto

Proceedings Volume 6745, Remote Sensing of Clouds and the Atmosphere XII; 67451X (2007) https://doi.org/10.1117/12.735208
Event: SPIE Remote Sensing, 2007, Florence, Italy

Abstract

The relationship between concentration of suspended particulate matter (PM2.5) and column aerosol optical thickness (AOT) is examined based on the simultaneous measurements at a NASA/AERONET station at Kinki University Campus, Higashi-Osaka, Japan since March in 2004. We drew the following results: 1. A strong linear correlation exists between PM2.5 and AOT, 2. The correlation is better within each type of aerosols as anthropogenic type and dust type than overall, 3. The correlation coefficients take the highest value in such a case that PM2.5 values are measured in 30-minutes behind after AOT data. These facts are explained with the model simulations. Our results highlight the possibility that the PM2.5 concentration can be estimated from the AOT, and vice versa. Moreover, combining radiometric aerosol information with surfacelevel particulate mass data appears to be a promising approach for gaining a better understanding of air quality and the atmospheric environment.

Citation Download Citation

Sonoyo Mukai, Itaru Sano, Makiko Mukai, and Masayoshi Yasumoto "Evaluation of air quality from space", Proc. SPIE 6745, Remote Sensing of Clouds and the Atmosphere XII, 67451X (17 October 2007); https://doi.org/10.1117/12.735208

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