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  1. 040 理学部
  2. 0401 学術論文

中部山岳地域の降雪に含まれる化学成分濃度の空間分布

http://hdl.handle.net/10091/17172
http://hdl.handle.net/10091/17172
bf0e4028-0c70-4dfc-a458-49ed26d957bb
名前 / ファイル ライセンス アクション
Chigaku_Zasshi_122_4_651.pdf Chigaku_Zasshi_122_4_651.pdf (3.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-10-04
タイトル
言語 ja
タイトル 中部山岳地域の降雪に含まれる化学成分濃度の空間分布
言語
言語 jpn
キーワード
主題Scheme Other
主題 新雪
キーワード
主題Scheme Other
主題 fresh snow
キーワード
主題Scheme Other
主題 雪氷化学
キーワード
主題Scheme Other
主題 snow chemistry
キーワード
主題Scheme Other
主題 化学成分
キーワード
主題Scheme Other
主題 chemical components
キーワード
主題Scheme Other
主題 空間分布
キーワード
主題Scheme Other
主題 spatial distribution
キーワード
主題Scheme Other
主題 中部山岳地域
キーワード
主題Scheme Other
主題 the Japanese Alps region
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 倉元, 隆之

× 倉元, 隆之

WEKO 36074

倉元, 隆之

Search repository
鈴木, 大地

× 鈴木, 大地

WEKO 36075

鈴木, 大地

Search repository
佐々木, 明彦

× 佐々木, 明彦

WEKO 36076

佐々木, 明彦

Search repository
鈴木, 啓助

× 鈴木, 啓助

WEKO 36077

鈴木, 啓助

Search repository
信州大学研究者総覧へのリンク
氏名 鈴木, 啓助
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.upTmOUkh.html
出版者
出版者 東京地学協会
引用
内容記述タイプ Other
内容記述 地学雑誌. 122(4):651-665 (2013)
書誌情報 地学雑誌

巻 122, 号 4, p. 651-665, 発行日 2013
抄録
内容記述タイプ Abstract
内容記述 The Japanese Alps region is one of the heaviest snowy regions in Japan. The aim of this study is to clarify the spatial distribution of chemical components in fresh snow, as well as the relationship between weather conditions and chemical characteristics of fresh snow in the Japanese Alps region. We conducted a snow pit study immediately after a snowfall on the route inland from Itoigawa city (N1) and Joetsu city (N2). We collected only fresh snow samples during the 2011/2012 winter season. The samples were melted and pH, electric conductivity, and major ions (Na+, K+, Mg2+, Ca2+, Cl-, NO3-, and SO42-) were analyzed in a clean room. The pH of all samples was below 5.62. Na+ concentration correlates well with Cl- concentration. These ions are considered to be sea-salt components. These ions indicate the absence of chlorine loss. On the other hand, SO42- concentrations included non-sea-salt components. Na+ and SO42- concentrations decreased rapidly inland from the coastal area. The Na+ concentration of the N2 route was higher than that of the N1 route. It is considered that geomorphological features such as valley width and altitude differences influenced the transportation of chemical components. The chemical characteristics of the fresh snow layer changed with differences in weather conditions. Concentrations of sea-salt components were high in fresh snow when the vicinity of Japan was under the strong winter monsoon pattern. On the other hand, concentrations of sea-salt components were very low with snowfalls of plain snow. As a result of extracting the characteristic layer of Na+ concentration, changes in the vertical profiles of Na+ concentration became similar from the coast to the inland study sites. At the inland study sites, most SO42- was of non-sea salt origin. We compared the depositions of Na+ and SO42- in the fresh snow layer. Whereas there were large depositions of Na+ at the sampling sites near the sea, depositions of SO42- increased inland. This is because non-sea salt components were carried inland more than sea salt components. At the inland sites, there was a layer of high NO3-/nssSO42- component in the fresh snow. It is thought that the generation of NO3- by human activities near the site had an influence.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0022-135X
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00322536
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.5026/jgeography.122.651
関連名称 10.5026/jgeography.122.651
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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