河川技術論文集
Online ISSN : 2436-6714
崩壊地を含む流域の地質・地形特性が 山地河道の階段状河床形態に及ぼす影響
田代 喬勝嵜 泰代野崎 健太郎
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2017 年 23 巻 p. 525-530

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The present study is conducted for describing the step-pool morphologies of mountainous streams in the watersheds with landslide topography. The physical characteristics of longitudinal channel units in the step-pool morphologies were measured by the field investigations, whereas the geologic and topographic information in their watersheds were collected by the GIS (geographical information system) spatial analyses. The statistical analyses have also been performed to discuss the cause and effect relations by combining the multi-scale spatial information of these mountainous streams and watersheds. Accordingly, the analytical results could explain the effects of watershed properties on step-pool morphology with some of the geo-processes such as sediment runoffs, erosions and depositions due to landslide topography in correspondence with the geological features.

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© 2017 土木学会
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