28 October 2010 Carbonaceous aerosols over Siberia and Indonesia with GOSAT/CAI
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Abstract
Carbonaceous aerosols absorb the visible light, and hence play an important role for climate study. This work intends to develop an algorithm for extracting the optical properties of biomass burning aerosols based on the cloud aerosol imager (CAI) on board greenhouse gases observing satellite (GOSAT). Our algorithm is mainly based on the radiative transfer calculations in the atmosphere involving various kinds of aerosols. This algorithm has been examined for several forest fire events as Siberia in Russia and Kalimantan Island in Indonesia in 2009. As results, aerosol optical thickness (AOT) and single scattering albedo (SSA) at a wavelength 0.55 μm are retrieved. It is of interest to note that AOT takes the values larger than ~2 over Siberia plume, and ~5 or more over the plume in Kalimantan of Indonesia, and the values of SSA are low such as ~0.8 to ~0.9 over core region of the plume. In addition, the AOT results are partially validated by MODIS level-2 products (MYD04).
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Itaru Sano, Mizuki Tanabe, Takamasa Kamei, Makiko Nakata, Sonoyo Mukai, "Carbonaceous aerosols over Siberia and Indonesia with GOSAT/CAI", Proc. SPIE 7859, Remote Sensing of the Atmosphere and Clouds III, 785906 (28 October 2010); doi: 10.1117/12.869625; https://doi.org/10.1117/12.869625
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