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  1. 120 山岳科学総合研究所
  2. 1202 紀要・刊行物
  3. 12023 信州大学理学部付属諏訪臨湖実験所報告
  4. No. 07

MEASUREMENT OF DENITRIFICATION ACTIVITY OF THE BOTTOM SEDIMENT AT NOGAWA RIVER (Natural purification of an urban river ecosystem)

http://hdl.handle.net/10091/1937
18d1e598-023d-45d2-b666-03c849f63e5a
名前 / ファイル ライセンス アクション
Suwa07-06.pdf Suwa07-06.pdf (385.7 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2009-02-27
タイトル
タイトル MEASUREMENT OF DENITRIFICATION ACTIVITY OF THE BOTTOM SEDIMENT AT NOGAWA RIVER (Natural purification of an urban river ecosystem)
言語
言語 eng
キーワード
主題Scheme Other
主題 denitrification
キーワード
主題Scheme Other
主題 acetylene inhibition
キーワード
主題Scheme Other
主題 natural purification
キーワード
主題Scheme Other
主題 attached microbial community
キーワード
主題Scheme Other
主題 Nogawa River
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 Jong, Min, Oh

× Jong, Min, Oh

WEKO 47015

Jong, Min, Oh

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Ueda, Shingo

× Ueda, Shingo

WEKO 47016

Ueda, Shingo

Search repository
Ogura, Norio

× Ogura, Norio

WEKO 47017

Ogura, Norio

Search repository
出版者
出版者 信州大学理学部
引用
内容記述タイプ Other
内容記述 信州大学理学部付属諏訪臨湖実験所報告 7: 47-53(1991)
書誌情報 信州大学理学部付属諏訪臨湖実験所報告

巻 7, p. 47-53, 発行日 1991-03
抄録
内容記述タイプ Abstract
内容記述 Nitrogen removal by denitrification in sediment and artificial substrate was measured at Nogawa River by continuous method, based on acetylene inhibition technique, during one year from December 1987 to November 1988. The quality of artificial substrate is an important factor for denitrification rate in a river bed sample. The denitrification rate per unit area in the river bed composed of concrete (13.8gN m⁻² year⁻¹) was higher than that in the gravel and sand (7.4gN m⁻² year⁻¹ ) river bed. The proportion of denitrificated nitrogen to the input nitrogen in the river was calculated. The average value for the concrete river bed was 0.3%, and 7.4% in the river bed of gravel and sand. From these results, if all area of Nogawa River was changed to a concrete bed, the proportion of denitrificatied nitrogen to input nitrogen is estimeted to be 1.7%, and about 3.1% in the case of a gravel and sand. Denitrification activity in the river bed of a small urban river was found to be dependent on the type of river bed.
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
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00089817
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