Bank Erosion During the 1988-Flood in the Rumoi River

by Yasuharu Watanabe, Civil Eng Res Inst, Hokkaido, Japan,
Tatsuhiro Kyoshi, Civil Eng Res Inst, Hokkaido, Japan,
Yasuhiro Murakami, Civil Eng Res Inst, Hokkaido, Japan,
Kazuyoshi Hasegawa, Civil Eng Res Inst, Hokkaido, Japan,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Observations of the bank erosion were performed in the Rumoi River after the flood in August, 1988. It was found from the detailed research that the pattern of the flood was an important factor in the bank erosion which occurs mainly by the mutual effects between the flow on the flood plain and the flow in the low water channel. Since the flood ocurred at midnight, the flow direction and velocity at the peak discharge were reproduced from the investigation of damaged trees on the flood plain and by dragging the trees in the field.

Subject Headings: Flood plains | Flow patterns | Erosion | Water discharge | River flow | River bank stabilization | Trees

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