Algorithm development for remote sensing of aerosol from MSI

Satoru Fukuda; Teruyuki Nakajima; Hideaki Takenaka

doi:10.1117/12.977345

8 November 2012 Algorithm development for remote sensing of aerosol from MSI

Satoru Fukuda, Teruyuki Nakajima, Hideaki Takenaka

Proceedings Volume 8523, Remote Sensing of the Atmosphere, Clouds, and Precipitation IV; 85231G (2012) https://doi.org/10.1117/12.977345
Event: SPIE Asia-Pacific Remote Sensing, 2012, Kyoto, Japan

Abstract

Aerosol retrieval algorithm of EarthCARE/MSI is divided into two parts. One is ocean algorithm, and the other is land algorithm. To retrieval over ocean, two-channel method of band1 and band2 is used. To retrieve aerosol over land, we need to estimate ground reflectance. One idea to estimate the ground reflectance is to make MSI's original albedo product by choosing minimum reflectance data of MSI. But, the swath of MSI is as narrow as 150km. It is difficult to gather enough radiance data to make ground reflectance. Another idea is to extrapolate ground reflectance on larger wavelength to the ground reflectance on visible wavelength. We did example analysis with several methods and coefficients. Minimum reflectance method of 0.38 μm and that of 0.68 μm shows close results. On the other hand, Modified Kaufman method shows larger aerosol optical thickness pattern than others.

Citation Download Citation

Satoru Fukuda, Teruyuki Nakajima, and Hideaki Takenaka "Algorithm development for remote sensing of aerosol from MSI", Proc. SPIE 8523, Remote Sensing of the Atmosphere, Clouds, and Precipitation IV, 85231G (8 November 2012); https://doi.org/10.1117/12.977345

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