書誌事項
- タイトル別名
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- Estimation of sediment production potential in the Kizu River Watershed
- キズガワ リュウイキ ノ ドシャ セイサン ポテンシャル ノ スイテイ
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抄録
Index of freeze and thaw intensity was calculated by a thermal conductivity analysis using meteorological and topological input data for the Kizu River basin. In the analysis, all the detectable bare slopes were extracted by aerial photographs and the topological factors such as area, altitude, gradient and direction of each bare slope were obtained by GIS technique. Annual sediment inputs to five dam reservoirs constructed on tributaries of the Kizu rivers were calculated from change of topography in the reservoirs. Correlation between the index of freeze and thaw intensity and the annual sediment inputs were analyzed and the clear correlation indicates the availability of the freeze and thaw index estimating the sediment production and discharge. The sediment production and discharge from the total watershed area of the Kizu river was estimated to be 14,800 m3/year by the correlation, it seems to be overestimated comparing to the value by a past research. The method estimating the sediment production from a total river watershed can be improved by a higher accuracy method of bare slopes extraction and including a distinction of geology in the estimation.
収録刊行物
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- Journal of the Japan Society of Erosion Control Engineering
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Journal of the Japan Society of Erosion Control Engineering 66 (5), 13-22, 2014
公益社団法人 砂防学会
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詳細情報 詳細情報について
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- CRID
- 1390282680456633344
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- NII論文ID
- 130005111372
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- NII書誌ID
- AN0012035X
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- ISSN
- 21874654
- 02868385
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- NDL書誌ID
- 025173723
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可