Atmospheric Turbid Conditions due to Fine Particles in Recent Years at Nagasaki, Japan
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概要
- 論文の詳細を見る
Atmospheric turbid conditions caused by fine particles, which are defined as the particles in the size range between 0.3 and 1.0μμm in diameter, are occasionally significant in recent years over the Nagasaki area in Japan. These conditions make the horizontal visibility very low as 4-5 km despite of fair weather. We studied two significantly turbid cases rich with fine particles, which took place during 25-27 March 2003 and on 23 May 2005, from the viewpoint of a detailed understanding of their influences to visibility and the properties of fine aerosols. As a result of this study, the noticeably low visibility conditions due to fine particles are closely connected with the high concentration of sulfur which transported from the Asian continent. Fine particles sometimes make very turbid conditions in spring without the influence of yellow sand dust particles. This peculiarity should be paid further attention from the viewpoint of air quality conservation over East Asia.
- 長崎大学の論文
- 2006-11-01
著者
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Nishikawa Masataka
National Institute for Environmental Studies
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Hayasaka Tadahiro
Research Institute for Human and Nature
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MATSUYAMA SHIGEO
Department of Central Research Laboratory, National Defence Medical College
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ARAO Kimio
Faculty of Education, Nagasaki Univ.
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Arao Kimio
Faculty Of Education Nagasaki Univ.
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Arao Kimio
Faculty Of Environmental Studies Nagasaki University
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HATAKEYAMA Shiro
National Institute for Environmental Studies
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TAKAMI Akinori
National Institute for Environmental Studies
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Nishikawa Masataka
National Institute For Environment Studies
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Matsuyama Shigeo
Department Of Quantum Science And Energy Engineering Tohoku University
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Matsuyama Shigeo
Department Of Central Research Laboratory National Defence Medical College
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Hayasaka Tadahiro
Research Institute For Humanity And Nature
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MATSUYAMA SHIGEO
Department of Biochmistry, School of Medicine, Keio University
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