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Seasonal variation of chemical composition of aerosols at Syowa Station, Antarctica in 2001
https://doi.org/10.15094/00002962
https://doi.org/10.15094/000029625a28ac5a-0213-4fa4-ad04-87501253c554
名前 / ファイル | ライセンス | アクション |
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KJ00000043835 (1.3 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2003-11-01 | |||||
タイトル | ||||||
タイトル | Seasonal variation of chemical composition of aerosols at Syowa Station, Antarctica in 2001 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00002962 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Kobayashi, Hiroshi
× Kobayashi, Hiroshi× Hara, Keiichiro× Shiobara, Masataka× Yamanouchi, Takashi× Osada, Kazuo× Ohta, Sachio |
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著者所属(英) | ||||||
en | ||||||
Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi/National Institute of Polar Research/National Institute of Polar Research/National Institute of Polar Research/Graduate School of Environmental Studies, Nagoya University/Graduate School of Engineering, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Antarctic aerosols collected at Syowa Station in 2001 were analyzed to investigate their seasonal variations and long-range transport of anthropogenic aerosols. The measured chemical species were elemental carbon(E.C.) and organic carbon(O.C.) using a combustion technique, SO_4^<2->, NO_3^-, Cl^-, Na^+, NH_4^+, K^+, Ca^<2+> and Mg^<2+> using ion chromatographs, and metals such as Al, V, Cr, Mn, Fe, Co, Ni, Zn and Pb using an inductively coupled plasma mass spectrometer. Total mass concentration of aerosols ranged from 0.366 to 2.72μg/m^3 and increased from winter to spring. The NO_3^- concentration was lower than 0.01μg/m^3 in March-July; in contrast, it was higher than 0.02μg/m^3 in August-November. Concentration of elemental carbon was relatively low in April-June and was high in March, October and November. In October and November, NO_3^- concentration was also high. Therefore, the air mass was possibly affected by biomass burning. The concentration of SO_4^<2>- was low around 0.02μg/m^3 in May-July, and it increased to higher than 0.1μg/m^3 in August-December. The concentrations of Al, V, Co, Ni and Pb were sometimes lower than the detection limits. Nevertheless, spikes of the highest concentrations of V, Cr, Fe, Co, Ni, Zn and Pb were recorded in August-October, while V and Fe showed second spikes in March. The enrichment factors of Cr, Ni, Zn and Pb were high during 13-20 September and 12-22 October. The E.C. concentrations in these periods were also relatively higher than before and after the sampling periods. Moreover, blizzards occurred in these periods. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1129795X | |||||
書誌情報 |
Polar meteorology and glaciology 巻 17, p. 68-80, 発行日 2003-11 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |