Modification of sea-salt aerosols over the coastal area in china |
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Authors: | Li Fang Duan Minzheng Lu Daren Kikuo Okada |
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Institution: | LAGEO, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029,LAGEO, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029,LAGEO, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029,Meteorology Research Institute, Tsukuba, Ibaraki, Japan |
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Abstract: | Aerosol panicles over the coasial area are subject to the modification of their chemical composition during their transport and diffusion. For examining the modification, the marine aerosol panicles are collected at an island, East China Sea. Comparison of elemental composition of the marine aerosols with that of the samples collected at a coast-al site, e.g. in Shanghai, was made. The results of chemical analysis show that the loss of chlorine component in aerosol particles is one of the main characteristics in the course of diffusion of marine aerosols into the coastal contin-ent. Sulphur is a dominant component for fine particles in both marine and coastal aerosols. The relation of particle number concentration and particle size distribution to the meteorological conditions was discussed briefly. These results can be used as a reference in the estimation of equivalent refractive index of the aerosols for radiation transfer. |
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Keywords: | Marine aerosol Modification Elemental component Coastal area |
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