Overall resistance parameter of flow arising in the catchment-area of a reservoir in steep land

Kazuaki Hiramatsu, Yoshio Tohara

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

抄録

On a small reservoir catchment in mountains, the basin storage S(t) during a flood was expressed in terms of the basin discharge Q(t) and the time-varying storage parameters K(t) and P(t), in a storage equation S(t) = K(t) Q(t)P(t). Applying a nonlinear filtering technique to identification of the dynamic variations of the time-varying storage parameter P(t), the overall resistance law of flow in the catchment was estimated. The results showed that variations of the time-varying storage parameter were closely related to the generation of fast flow on the catchment, represented by gully runoff, and that P(t)-values of 0.4 and 1.0 corresponded to the generation of overland flow described by Manning's formula and to subsurface stormflow described by Darcy's equation.

本文言語英語
ホスト出版物のタイトルProc 91 Natl Conf Irrig Drain
出版社Publ by ASCE
ページ60-66
ページ数7
ISBN(印刷版)0872628116
出版ステータス出版済み - 1月 1 1991
イベントProceedings of the 1991 National Conference on Irrigation and Drainage - Honolulu, HI, USA
継続期間: 7月 22 19917月 26 1991

出版物シリーズ

名前Proc 91 Natl Conf Irrig Drain

その他

その他Proceedings of the 1991 National Conference on Irrigation and Drainage
CityHonolulu, HI, USA
Period7/22/917/26/91

!!!All Science Journal Classification (ASJC) codes

  • 工学(全般)

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