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Title: 高原川流域における土砂生産マップの構築 : 高原川流域の土砂生産特性
Other Titles: Establishment of Sediment Production Map for the Takahara River Basin : Characteristics of Sediment Production in the Takahara River Basin
Authors: 藤田, 正治  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-9376-2308 (unconfirmed)
澤田, 豊明  KAKEN_name
堤, 大三  kyouindb  KAKEN_id
志田, 正雄  KAKEN_name
伊藤, 元洋  KAKEN_name
Author's alias: FUJITA, Masaharu
SAWADA, Toyoaki
TSUTSUMI, Daizo
SHIDA, Masao
ITO, Masahiro
Keywords: 土砂生産
凍結融解
流域土砂管理
裸地斜面
sediment production
freezing and thawing
sediment management
bare slope
Issue Date: 1-Apr-2006
Publisher: 京都大学防災研究所 / Disaster Prevention Research Institute Kyoto University
Journal title: 京都大学防災研究所年報. B = Disaster Prevention Research Institute annuals. B
Volume: 49
Issue: B
Start page: 561
End page: 566
Abstract: 著者らは物理機構に基づく土砂生産のモデルを開発し,精度の高い土砂生産量の短期・長期予測および流域全体のモニタリングを可能にしようとしているが,最終的にはこれを土砂生産マップに組み込み,土砂生産量の予測情報,モニタリング情報を提供できるようにしたい。モデルの開発に当たっては,土砂生産特性を十分考慮することが重要であり,本研究では高原川流域を対象にしてそれを検討する。その結果,土砂生産量は斜面の凍結融解と密接な関係にあることがわかった。
We are developing a sediment production map informative for the integrated sediment management. The map based on a sediment production model can be used for predicting and monitoring the sediment production over a watershed. To make the map much more effective, the process of sediment production should be fully introduced into the modeling. In this paper, we have described the characteristics on sediment production based on a long-term observation data in the Takahara river basin. The data have shown the sediment production is dependent on the rainfall events, but the volume is dependent on the freezing and thawing process on the weathered slope. The sediment production processes over a year was described on the basis of observation data.
URL: http://www.dpri.kyoto-u.ac.jp/dat/nenpo/no49/49b0/a49b0p60.pdf
URI: http://hdl.handle.net/2433/26649
Appears in Collections:No.49 B

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