Detection and analysis of dust aerosol particles over the East Asia
2010
Mukai, M., Japan Aerospace Exploration Agency, Tsukuba, Ibaraki | Sano, I. | Iizuka, T. | Yokomae, T. | Mukai, S.
It is well known that the heavy soil dust has been transported from the China continent to Japan on westerly winds, especially in spring. The satellite observation is an effective tool for global monitoring of the Asian dust. A new algorithm for detection of Asian dust from space is proposed based on the multispectral satellite data. The derived space-based results are validated with the ground-based measurements and/or model simulations. The sun/sky photometry has been undertaken at NASA/AERONET stations at Osaka. The suspended particulate matter (SPM) sampling and NIES/LIDAR network equipment have been simultaneously working there. However, it is difficult to relate these ground-based measurements directly to the column space data. Therefore, in order to validate the satellite results with the surface-level data, an aerosol transportation model should be simulated. The measurements are examined with the model simulations. As a result, the distribution of Asian dust aerosols is retrieved in a comprehensive way in this study.
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