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強混合型感潮河川における塩分濃度分布の一解析法
http://hdl.handle.net/10069/23984
http://hdl.handle.net/10069/23984ab57a96e-04cb-4243-b837-303a8f28021d
名前 / ファイル | ライセンス | アクション |
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kogaku00_15_09.pdf (576.8 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-09-17 | |||||
タイトル | ||||||
タイトル | 強混合型感潮河川における塩分濃度分布の一解析法 | |||||
言語 | ||||||
言語 | jpn | |||||
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 |
古本, 勝弘
× 古本, 勝弘× 藤沢, 弘明 |
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著者別名 | ||||||
姓名 | Furumoto, Katsuhiro | |||||
著者別名 | ||||||
姓名 | Fujisawa, Hiroaki | |||||
その他のタイトル | ||||||
その他のタイトル | One Analytical Method for Salinity Intrusion into Estuaries of Well-Mixed Type | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An analytical expedient for salinity intrusion of well-mixed estuaries is to solve one dimensional convective diffusion equation in any kind of way. As the stream of estuary is unsteady due to tide and the flow area is nonuniform in longitudinal direction, the flow velocity, the cross sectional area and the dispersion coefficient in estuary vary with time and position. Therefore it is very difficult to solve analytically the convective diffusion equation which has these functions of time and position for hydraulic coefficients. In this paper the complex problems are made simple as follows, solving the equation of salinity convective diffusion in estuaries. Considering that the diffusion equation holds good averagely during a tidal cycle and solving the diffusion equation in wihch velocity is transformed into constant river discharge velocity, longitudinal salinity distribution at low tide slack is determined. Next, the salinity distribution at low tide slack is carried through the estuary by means of tidal velocity. The solutions obtained by this method are presented and are applied in the Chikugo River. The analytical results show fairly good agreement with the field observed data. | |||||
書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 号 15, p. 65-72, 発行日 1980-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18805574 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178418 | |||||
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 | 長崎大学工学部 | |||||
出版者別言語 | ||||||
Faculty of Engineering, Nagasaki University | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告, (15), pp.65-72; 1980 |