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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Engineering > Bulletin > Reports of the Faculty of Engineering, Nagasaki University > Volume 31, No. 56 >

落水線図を用いた非点源汚濁負荷流出量の予測と受水域に及ぼす影響の評価


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Title: 落水線図を用いた非点源汚濁負荷流出量の予測と受水域に及ぼす影響の評価
Other Titles: Pollutant Runoff Analysis Using the Digital Elevation Model and Evaluation of the Qualitative Effects on a Receiving Water
Authors: 野口, 正人 / 樋渡, 智則 / 大石, 真伸 / 脇坂, 辰也 / 朴, 元培
Authors (alternative): Noguchi, Masato / Hiwatashi, Toshinori / Oishi, Masanobu / Wakisaka, Tatuya / Park, Won Bae
Issue Date: Jan-2001
Citation: 長崎大学工学部研究報告 Vol.31(56) p.95-100, 2001
Abstract: Sea-dyke is sometimes constructed, so one part of bay has been enclosed. This kind of situation is also observed at Isahaya of Nagasaki, that is a big project of construction of sea-dyke and reclamation. In order to make clean the enclosed water bodies, integrated management based on rivers and watershed should also be emphasized. On this viewpoint, pollutant runoff analysis by means of the Digital Elevation Model (DEM) has been carried out, and how to make available the water environmental management has been discussed, considering the environmental changes around at the enclosed sea area. Following to the purpose described above, in this paper, runoff rate of nitrogen from the watershed has been estimated, using the two-dimensional model of pollutant runoff by DEM. Even though parameter included in the model should be identified based on a lot of field data, it has been shown that proposed model might be useful for the prediction and control of non-point pollutant sources distributed over the watershed, and also for the evaluation of the qualitative effects on a receiving water.
Keywords: Pollutant runoff / GIS / DEM / mathematical model / nitrogen / environmental management / enclosed water body
URI: http://hdl.handle.net/10069/5141
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 31, No. 56

Citable URI : http://hdl.handle.net/10069/5141

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