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  1. 0 資料タイプ別
  2. 03 紀要論文
  1. 360 災害・復興科学研究所
  2. 20 紀要
  3. 90 新潟大学積雪地域災害研究センター研究年報
  4. 第7号

湧水・地下水のトリチウム濃度の測定 : 姫川系浦川流域および新潟地区水溶性天然ガス井からの天然水中のトリチウム濃度 (中俣三郎教授退官記念号)

http://hdl.handle.net/10191/39051
http://hdl.handle.net/10191/39051
e7f1be79-9fa1-40e6-aafc-9f6b08be81f2
名前 / ファイル ライセンス アクション
7_163-172.pdf 7_163-172.pdf (724.0 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2016-03-03
タイトル
タイトル 湧水・地下水のトリチウム濃度の測定 : 姫川系浦川流域および新潟地区水溶性天然ガス井からの天然水中のトリチウム濃度 (中俣三郎教授退官記念号)
タイトル
言語 en
タイトル 湧水・地下水のトリチウム濃度の測定 : 姫川系浦川流域および新潟地区水溶性天然ガス井からの天然水中のトリチウム濃度 (中俣三郎教授退官記念号)
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
その他のタイトル
その他のタイトル Determination of tritium content in sprlng and underground water : Tritium concentration in water collected from the Ura-river basin area in Nagano Prefecture and in confined water from the natural gas wells in Niigata Plain
著者 橋本, 哲夫

× 橋本, 哲夫

WEKO 161870

橋本, 哲夫

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樋口, 靖

× 樋口, 靖

WEKO 161871

樋口, 靖

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酒井, 裕二

× 酒井, 裕二

WEKO 161872

酒井, 裕二

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佐藤, 修

× 佐藤, 修

WEKO 161873

佐藤, 修

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青木, 滋

× 青木, 滋

WEKO 161874

青木, 滋

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外林, 武

× 外林, 武

WEKO 161875

外林, 武

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著者別名
識別子 161876
識別子Scheme WEKO
姓名 Hashimoto, Tetsuo
著者別名
識別子 161877
識別子Scheme WEKO
姓名 Higuchi, Yasushi
著者別名
識別子 161878
識別子Scheme WEKO
姓名 Sakai, Yuji
著者別名
識別子 161879
識別子Scheme WEKO
姓名 Sato, Osamu
著者別名
識別子 161880
識別子Scheme WEKO
姓名 Aoki, Shigeru
著者別名
識別子 161881
識別子Scheme WEKO
姓名 Sotobayashi, Takeshi
抄録
内容記述タイプ Abstract
内容記述 Some spring water (18 samples), collected from the landslide area in Kanayama valley belonging to the Ura-river area, were subjected to tests to determine the tritium content to obtain some information relating to the aquifer properties. The conventional measurements of low level tritium were carried out by using liquid scintillation counting and the tritium concentrations varied from 28 to 62 pCi/l, giving the highest value comparable with that of fresh precipitation. In order to classify the aquifers, six major ion constituents (Ca^<2+>, Mg^<2+>, Na^+ + K^+, SO^<2->_4, HCO^-_3, and Cl^- ions) were used to specify each type of water into a pattern diagram (Fig. 6) and subsequently three constituents (Mg^<2+>, Ca^<2+>, and SO^<2->_4 ions) were utilized in the cluster analysis as shown in Fig. 7. The six aquifer groups were identified and the correlation between tritium and total cation concentrations was roughly recognized for each aquifer group; the higher concentrations of cation are corresponding to the lower tritium concentrations owing to the effects of radioactive decay and/or the mixing effects of old water with new precipitations. In the case of the confined waters, collected from the natural gas wells in Niigata Plain, the electrolytic tritium enhancement was applied to the tritium measurements using a Ni-multi-plate electrode because of their extremely low-level tritium concentrations. The resultant tritium concentrations are summarized in Table 1 as bracketed values in comparison with the values evaluated without enhancement in the last column. From these results, it was found that the confined water from aquifers more than 300 m below the ground surface yielded a negligible low concentration of tritium and were basically suitable as background water for the environmental tritium measurements.
書誌情報 新潟大学積雪地域災害研究センター研究年報
en : 新潟大学積雪地域災害研究センター研究年報

巻 7, p. 163-172, 発行日 1986-01
出版者
出版者 新潟大学積雪地域災害研究センター
ISSN
収録物識別子タイプ ISSN
収録物識別子 03877892
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00183327
著者版フラグ
値 publisher
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