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Proceedings Paper

Secondary-retrieve aerosol number distribution by SeaStar/SeaWiFS
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Paper Abstract

Knowledge of the size and chemical composition of aerosols is important to assess their role in several processes occurring in the atmosphere. The aerosol optical thickness is a byproduct of the atmospheric correction, but it is possible to research atmospheric aerosol by those byproducts. In this paper, we first calculated the aerosol optical thickness over other wavelengths using SeaWiFS-derived aerosol optical thickness at 865nm and atmospheric-correction parameters ε(λ,865). Then we classified the aerosol over the ocean into three classes: nuclei mode (r < 0.04μm), accumulation mode (0.04μm < r < 1.0μm) and coarse mode (r > 1.0μm), which are all described by the log-normal distribution. The derived relationship of aerosol optical thickness and number distribution at different wavelengths and Monte-Carlo method are used to obtained the total number of those three classes over the ocean and we analysis their distribution. The reasonable results show that the aerosol optical thickness by SeaWiFS is nice for atmospheric aerosol research.

Paper Details

Date Published: 1 November 2005
PDF: 8 pages
Proc. SPIE 5979, Remote Sensing of Clouds and the Atmosphere X, 59791Y (1 November 2005); doi: 10.1117/12.627351
Show Author Affiliations
Delu Pan, State Oceanic Administration (China)
Zengzhou Hao, State Oceanic Administration (China)
Nanjing Univ. of Information Science and Technology (China)
Zhaobo Sun, Nanjing Univ. of Information Science and Technology (China)
Fang Gong, State Oceanic Administration (China)
Yan Bai, State Oceanic Administration (China)

Published in SPIE Proceedings Vol. 5979:
Remote Sensing of Clouds and the Atmosphere X
Klaus Schäfer; Adolfo T. Comerón; James R. Slusser; Richard H. Picard; Michel R. Carleer; Nicolaos Sifakis, Editor(s)

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