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Title: | 圃場容水量・パイプ流を考慮した斜面流出計算モデルの開発 |
Other Titles: | Development of Slope Runoff Models Which Consider Field Capacity and Pipe Flows |
Authors: | 椎葉, 充晴 立川, 康人 https://orcid.org/0000-0003-1269-2975 (unconfirmed) 市川, 温 https://orcid.org/0000-0003-1269-2975 (unconfirmed) 堀, 智晴 田中, 賢治 https://orcid.org/0000-0003-2718-9440 (unconfirmed) |
Author's alias: | SHIIBA, Michiharu TACHIKAWA, Yasuto ICHIKAWA, Yutaka HORI, Tomoharu TANAKA, Kenji |
Keywords: | 圃場容水量 パイプ流 kinematicwavemodel 流出モデル field capacity pipe flow kinematic wave model runoff model |
Issue Date: | 1-Apr-1998 |
Publisher: | 京都大学防災研究所 |
Journal title: | 京都大学防災研究所年報. B |
Volume: | 41 |
Issue: | B-2 |
Start page: | 229 |
End page: | 235 |
Abstract: | 山腹表層付近の流れのモデルの基礎として、多孔質媒体内の不飽和/飽和流れのモデルが考えられる。しかし、実際の流域斜面の流れは、場の形態と媒体の性質の構造的不均一性の強い影響を受けるので、一般的な多孔質媒体内の流れのモデルよりも、流域場の構造的不均一性を考慮したモデルの方が、流出の特徴をよりょく表現できる可能性がある。本研究では、圃場容水量を導入したkinematicwaveモデルで飽和/不飽和流れを表現し、パイプ1みずみち流れを指数法則kiematicwaveモデルで表現し、これらを結合した形の計算モデルを構築する。 As a model of flow near mountain slopes, a saturated‐unsaturated flow model in porus media can be considered. However, since actual runoff process in mountain slopes is affected strongly by the shape of the flow field and structural nonhomogeneity of the media, those models which consider those effect explicitly may express the characteristics of runoff better than a general model of flow in porus media.In this study, saturated‐unsaturated flow is expressed by combining field capacity model and the surface‐subsurface kinematic wave model, pipe flow is modeled by the power‐law kinematic wave model, and a model which combines those model is presented. Numerical calculation methods of those models are also presented. |
URI: | http://hdl.handle.net/2433/80348 |
Related Link: | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html |
Appears in Collections: | No.41 B-2 |
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