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26 October 2007 Measurement and analysis of aerosol optical thickness over the East China Sea
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Abstract
Shipboard hand-held sun photometers measurements which were collected over the East China Sea from December 15, 2006 to February 11, 2007, were used to discuss temporal and spacial distributions of aerosol optical thickness(AOT), and the type and source of aerosol particles over the East China Sea. The results of this study suggest that AOT was normally large in the coastal areas and became small gradually with the distance away from the coastal areas. The value of AOT also was larger in the coastal areas with industry than those without industry. AOT was closely related to the development of human activity and wind transportation. The analysis of many cases showed that the minimum AOT value over sea appeared at noon during a day and its reason could be found in weather data. The calculated Ångstrom wavelength exponent showed that the radius of aerosol particles was small in the coastal areas and large in the central area of the East China Sea. It can provide the basic data for marine regional climate and remote sensing.
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Xueliang Deng, Delu Pan, Zhaobo Sun, Xianqiang He, and Zengzhou Hao "Measurement and analysis of aerosol optical thickness over the East China Sea", Proc. SPIE 6745, Remote Sensing of Clouds and the Atmosphere XII, 67451Z (26 October 2007); https://doi.org/10.1117/12.737442
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