Lower tropospheric vertical distribution of aerosol particles over Syowa Station, Antarctica from spring to summer 2004
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概要
- 論文の詳細を見る
Vertical distributions of atmospheric aerosol particles were measured nine times up to 5200 m a.s.l. using an aircraft over Syowa Station, East Antarctica during September-December 2004. Measurements were made for number concentrations of condensation nuclei (CN, Dp>10 nm), number-size distribution larger than 0.3 μm diameter, air temperature, humidity, and GPS position. During spring, the vertical profile of CN concentration showed large variability (100-1000 cm^(-3)), but it was mostly constant in summer. Vertical profiles of number-size distribution larger than 0.3 μm showed a systematic shift at altitudes greater than 4000 m. Both concentrations of aerosol number for Dp>0.3 μm and integrated volume between 0.3 and 1.0 μm showed constantly lower values at altitudes greater than 4000 m. These data suggest that the shift of aerosol parameters results from depletion of coarse particles such as sea salts. Maximum concentrations of the volume and CN were obtained respectively from the profiles on 7 October and 29 November 2004. These events are interpreted as sources and transport processes based on synoptic meteorological data, an ocean color index produced by SeaWiFS, and backward air trajectory analysis.
- 国立極地研究所の論文
著者
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Wada Makoto
National Institute For Polar Research
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Yamanouchi Takashi
Geosystems Inc.
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Yamanouchi Takashi
National Institute For Polar Research
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Osada Kazuo
Meteorological Research Institute
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Hara Keiichiro
National Institute Of Polar Research
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Hara Keiichiro
Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo:(present Address)sola
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Osada Kazuo
Graduate School of Environmental Studies, Nagoya University
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Hara K
Nagoya Univ. Nagoya
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Matsunaga Katsuji
Graduate School Of Environmental Studies Nagoya University
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Matsunaga Katsuji
Solar-terrestrial Environment Laboratory Nagoya University
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Yamanouchi Takashi
National Institute Of Polar Research Organization Of Information And Systems
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Wada M
National Institute Of Polar Research
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Yamanouchi T
Graduate Univ. Advanced Studies Tokyo
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Osada Kazuo
Graduate School Of Environmental Studies Nagoya University
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Osada K
Graduate School Of Environmental Studies Nagoya University
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Yamada T
Geosystems Inc.
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Yamanouchi Takashi
National Inst. Of Polar Res. And Dep. Of Polar Sci. The Graduate Univ. For Advanced Studies 10-3 Mid
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Matsunaga K
Graduate School Of Environmental Studies Nagoya University
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Wada Makoto
National Inst. Polar Res. Tokyo
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