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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学加速器質量分析計業績報告書
  4. 23

北海道利尻島の泥炭湿地に飛来する鉛の供給源の変遷

https://doi.org/10.18999/sumrua.23.138
https://doi.org/10.18999/sumrua.23.138
b8c2a9dd-c952-434a-afca-4477b080d61c
名前 / ファイル ライセンス アクション
kono2011.pdf kono2011.pdf (11.1 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2013-06-07
タイトル
タイトル 北海道利尻島の泥炭湿地に飛来する鉛の供給源の変遷
言語 ja
その他のタイトル
その他のタイトル History of atmospheric lead deposition to a peat bog in Rishiri land, Hokkaido, Japan
言語 en
著者 河野, 麻希子

× 河野, 麻希子

WEKO 83485

ja 河野, 麻希子

Search repository
谷水, 雅治

× 谷水, 雅治

WEKO 83486

ja 谷水, 雅治

Search repository
浅原, 良浩

× 浅原, 良浩

WEKO 83487

ja 浅原, 良浩

Search repository
南, 雅代

× 南, 雅代

WEKO 83488

ja 南, 雅代

Search repository
細野, 髙啓

× 細野, 髙啓

WEKO 83489

ja 細野, 髙啓

Search repository
中村, 俊夫

× 中村, 俊夫

WEKO 83490

ja 中村, 俊夫

Search repository
Kono, Makiko

× Kono, Makiko

WEKO 83491

en Kono, Makiko

Search repository
Tanimizu, Masaharu

× Tanimizu, Masaharu

WEKO 83492

en Tanimizu, Masaharu

Search repository
Asahara, Yoshihiro

× Asahara, Yoshihiro

WEKO 83493

en Asahara, Yoshihiro

Search repository
Minami, Masayo

× Minami, Masayo

WEKO 83494

en Minami, Masayo

Search repository
Hosono, Takahiro

× Hosono, Takahiro

WEKO 83495

en Hosono, Takahiro

Search repository
Nakamura, Toshio

× Nakamura, Toshio

WEKO 83496

en Nakamura, Toshio

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
主題Scheme Other
主題 anthropogenic lead
キーワード
主題Scheme Other
主題 isotope
キーワード
主題Scheme Other
主題 peat
キーワード
主題Scheme Other
主題 transboundary
キーワード
主題Scheme Other
主題 14C
キーワード
主題Scheme Other
主題 人為鉛
キーワード
主題Scheme Other
主題 同位体
キーワード
主題Scheme Other
主題 泥炭
キーワード
主題Scheme Other
主題 大気輸送
抄録
内容記述 To reveal the history of transboundary atmospheric lead emission from the Eurasian continent to Japanese Islands and the Pacific, the time variations of amounts and sources of lead transported to the Island were clarified from concentration and isotope ratio of lead in a peat core from Otadomari Pond in Rishiri Island, Hokkaido, Japan. Sedimentation rate of the peat core was determined by 210Pb and 137Cs dating method. The sedimentation rate is 1.1 mm/yr, and the peat core with 40 cm length has a record of deposition for the past 350 years. The rate is consistent with reported values for the other peat cores in the island, and so is reliable. 14C ages of the peat samples were 1000-5000 years older than 210Pb and 137Cs ages, and this suggests that the 14C ages do not show actual depositional ages. Lead concentrations increased from 4 ppm in the lowest layer of the core to 60 ppm in the surface, and lead isotope ratios, 206Pb/207Pb and 208Pb/207Pb, decreased. This suggested that addition of anthropogenic lead increased to the present time. The lead in the lower layer is natural origin, and is a mixture of two components: lead derived from basaltic rocks in the Island and that in loess from the Eurasian continent. Since the late 19th century, anthropogenic lead has strongly affected to the peat. The lead isotopic trend suggests that contribution of the domestic anthropogenic lead emitted to the atmosphere has been small to the Rishiri Island, and that impact of anthropogenic lead mainly emitted from China and Russia to the Island has become strong.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 名古屋大学年代測定総合研究センターシンポジウム報告
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学年代測定資料研究センター
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/sumrua.23.138
ID登録タイプ JaLC
書誌情報 ja : 名古屋大学加速器質量分析計業績報告書

巻 23, p. 138-148, 発行日 2012-03
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