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  1. 040 理学部
  2. 0401 学術論文

積雪融解に伴う花粉濃度ピークの変化

http://hdl.handle.net/10091/17179
http://hdl.handle.net/10091/17179
b63d4f2e-a2db-40b2-99df-108f61a19529
名前 / ファイル ライセンス アクション
BGR25_Nakazawa_Suzuki_P1.PDF BGR25_Nakazawa_Suzuki_P1.PDF (324.0 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-10-04
タイトル
タイトル The alteration in the pollen concentration peak in a melting snow cover
タイトル
タイトル 積雪融解に伴う花粉濃度ピークの変化
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 中澤, 文男

× 中澤, 文男

en NAKAZAWA, Fumio

ja 中澤, 文男

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鈴木, 啓助

× 鈴木, 啓助

en SUZUKl, Keisuke

ja 鈴木, 啓助

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信州大学研究者総覧へのリンク
氏名 SUZUKl, Keisuke
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.upTmOUkh.html
出版者
出版者 Japanese Society of Snow and Ice
引用
内容記述 Bulletin of Glaciological Research. 25:1-7 (2008)
書誌情報 Bulletin of Glaciological Research

巻 25, p. 1-7, 発行日 2008
抄録
内容記述 We have investigated the changes in Cryptomeria japonica pollen concentrations in a melting snow cover at different time points in order to understand the alterations in their concentration peaks. Recent studies have revealed that the pollen concentration peaks in mountain snow covers in temperate regions are useful for distinguishing between annual and several seasonal layers. Moreover, a dating method was applicable to a melting ice core. However, the manner in which pollen grains and their concentration peak values get influenced by melt water needs to be clarified. The present study intends to clarify this issue. Snow samples were collected from the Norikura Highland in central Japan during two snow-melting seasons: (1) from March to April in 2005 and (2) from March to May in 2006. The analysis of the C. japonica pollens was carried out because the pollen release reaches a high level from March to April in Japan when the winter seasonal snow still remains at the site; further, the pollen grains are commonly found within a typical size range. The results showed that the snow depth from the ground surface decreased because of snow melting during April and May, and the pollen concentration peak was consistently observed at the surface of the snow cover during the melting process. This indicated that the pollen concentration peak was not redistributed to the lower layers because of melting and the pollen grains present in the melted snow were concentrated at the surface. However, when the snow cover was about to disappear, the peak value decreased. This might account for the horizontal relocation of the pollen grains at the surface. Additionally, the peaks persisted at the surface even in the regions of the snow cover where water channels were formed. This indicated that the pollen peaks in the snow cover did not move toward the lower layers because of significant melting, although the peak values themselves may be changed due to the horizontal relocation of pollen grains.
資源タイプ(コンテンツの種類)
ISSN
収録物識別子タイプ PISSN
収録物識別子 1345-3807
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11582242
権利
権利情報 Copyright© 2008 Japanese Society of Snow and Ice
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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Cite as

中澤, 文男, 鈴木, 啓助, 2008, 積雪融解に伴う花粉濃度ピークの変化: Japanese Society of Snow and Ice, 1–7 p.

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