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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Environmental Science > Bulletin > Journal of environmental studies, Nagasaki University > Volume 1, No. 2 >

光散乱式粒子測定器で測定された長崎の黄砂現象 : 1996~1998

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Title: 光散乱式粒子測定器で測定された長崎の黄砂現象 : 1996~1998
Other Titles: Yellow sand events measured by an optical particle counter at Nagasaki University in 1996-1998
Authors: 荒生, 公雄 / 坂口, 千恵美
Authors (alternative): Arao, Kimio / Sakaguchi, Chiemi
Issue Date: Mar-1999
Citation: 長崎大学総合環境研究 1(2), p.175-186; 1999
Abstract: Yellow sand events at Nagasaki in Japan during the springs of 1996-1998 were analyzed based on the measurement of paricle size distribution in the atmosphere by an optical particle counter (OPC). The yellow sand event (Kosa phenomenon in Japanese) means a significant dust storm in Japan, which is brought from the Asian Continent, so that, sometimes called the Asain duststorm. The time series of aerosol number densities measured by the OPC at Nagasaki University indicate the threshold values of large particles in yellow sand events as; number density of particles of diameter from 1 to 2μm : 4880 per liter number density of particles of diameter from 2 to 5μm : 2220 per liter number density of particles of diameter larger than 5μm : 80 per liter
URI: http://hdl.handle.net/10069/5386
ISSN: 13446258
Type: Departmental Bulletin Paper
Appears in Collections:Volume 1, No. 2

Citable URI : http://hdl.handle.net/10069/5386

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