Abstract
River vegetation fosters a rich ecological environment and creates a friendly riverside environment. Importance is attached, therefore, to the question of what vegetation should be like when designing and improving river channels. In view of concerns and problems such as the diversity of rivers, continuity of ecosystems and the deterioration of water quality caused by stagnant water in vegetation communities, it is desirable that regions where the exchange of flows with the main flow region are promoted be provided. In this paper, the influence that arrangement patterns of longitudinal discontinuous vegetation zones gave to the flow resistance and turbulent structure in an open-channel was examined experimentally. Results showed that the relationship between flow depth and discharge significantly depended on the arrangement patterns and the reason could be explained by the difference of turbulent structure and spatial gradient of the dynamic pressure.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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