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鵜川水系水質に関する研究(第2報) : 硝酸イオン濃度の季節変動
https://niit.repo.nii.ac.jp/records/237
https://niit.repo.nii.ac.jp/records/237039ae7b3-abf6-4d85-bf6c-86586bb93282
名前 / ファイル | ライセンス | アクション |
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kiyo_20_23-31.pdf (2.2 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2016-05-25 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 鵜川水系水質に関する研究(第2報) : 硝酸イオン濃度の季節変動 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Studies on the features of dissolved constituents in Ukawa River system Part 2 : Seasonal variations of nitrate concentration | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | river water | |||||
キーワード | ||||||
主題 | nitrate concentration | |||||
キーワード | ||||||
主題 | seasonal variation | |||||
キーワード | ||||||
主題 | nitrogen saturation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
福崎, 紀夫
× 福崎, 紀夫× 村井, 沙耶 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In recent years, there has been grate concerns for the nitrogen saturation phenomenon in forest ecosystems caused by increased wet and dry deposition of nitrogen compounds emitted from the combustion of fossil fuels. The nitrogen saturation phenomenon is considered to be that increased nitrogen flow out to forest stream not only in the non-growth period but also in the growth period of forest plants. In this study, in order to understand the current situation of nitrogen saturation phenomenon from nitrate concentrations and their seasonal variations in upper and middle streams of Ukawa river, which is flowing through Kashiwazaki City, Niigata Prefecture, the river water was sampled from the eleven sites for once a month from June 2009 to February 2011, and was determined the major soluble constituents including nitrate and alkalinity. As a result, it was revealed that nitrate concentration has a clear seasonal variation with higher in winter and lower in summer, however, nitrate were detected as 0.5-1.5 mg/L levels in summer when biological actives are lively, so the nitrogen saturation phenomenon in the forest water shed of Ukawa river is considered to be undeniable situation. | |||||
書誌情報 |
新潟工科大学研究紀要 巻 20, p. 23-31, 発行日 2016-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1342-792X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10590360 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 新潟工科大学 |