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Analysis of ^7Be and ^(210)Pb air concentrations in Ny-Alesund, Svalbard: CHIMERPOL II project, preliminary results
https://nipr.repo.nii.ac.jp/records/2511
https://nipr.repo.nii.ac.jp/records/2511f2b5e3e0-6146-433f-8efc-5f94f5511f16
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00004160809 (2.3 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2006-03-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Analysis of ^7Be and ^(210)Pb air concentrations in Ny-Alesund, Svalbard: CHIMERPOL II project, preliminary results | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Svalbard, arctic aerosols, ^7Be,^( 210)Pb | |||||
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 | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
論文名よみ | ||||||
その他のタイトル | Analysis of ^7Be and ^(210)Pb air concentrations in Ny-Alesund, Svalbard: CHIMERPOL II project, preliminary results | |||||
著者名(英) |
Magand, Olivier
× Magand, Olivier× Ferrari,Christophe× Gauchard,Pierre-Alexis× Amato,Pierre× Fain,Xavier |
|||||
著者所属(英) | ||||||
en | ||||||
Laboratoire de Glaciologie et Geophysique de l'Environnement du CNRS/Laboratoire de Glaciologie et Geophysique de l'Environnement du CNRS/Laboratoire de Glaciologie et Geophysique de l'Environnement du CNRS/Laboratoire de Meteorologie Physique du CNRS, Universite Blaise Pascal/Laboratoire de Glaciologie et Geophysique de l'Environnement du CNRS | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Half-daily high volume aerosol particles samples have been collected onto cellulose and glass fiber filters at Ny-Alesund, Svalbard, from April 14th to May 7th 2004, in the framework of CHIMERPOL II program. The filters have been analyzed for ^(210)Pb (22.3y) and ^7Be (53 d) by semiconductor gamma spectrometry. The median concentration values were 70μBq m^(-3) STP (8-264μBq m^(-3)STP) for ^(210)Pb, and 404μBq m^(-3)STP (35-824μBq m^(-3)STP) for ^7Be respectively. The ^7Be and ^(210)Pb activity concentrations measured are relatively "low" compared to those measured in Svalbard and in other Arctic sites for the same period time (April-May) during previous studies. The ^(210)Pb atmospheric concentration and atmospheric pressure are positively correlated, which may indicate that the ^(210)Pb atmospheric concentration increase as a function of air mass exchange over the Svalbard region. The results of ^7Be and ozone concentrations show also the absence of direct ^7Be stratospheric injections during our sampling campaign, in the low troposheric air masses. The performed backward trajectory analysis showed that collected aerosols and associated radionuclides concentrations were associated to three different air masses, originating from Atlantic ocean, Artic ocean and Barents Sea, and continental areas (North Finland-Russia) respectively. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 59, p. 96-115, 発行日 2006-03 |