Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Riverbank change— sixmile island, Ohio river, USA
Abstract Soil exploration, collection of hydrologic and meteorologic data, and sequential comparative photography were used to investigate erosion/deposition on alluvial banks of an island in the Ohio River from April 1980 through April 1982. Major erosion episodes coincided with flood events and were caused primarily by exit of bank recharge waters from pervious bank soil layers after flood recession. Waves created by wind and/or vessel passage were of little significance in causing bank failure. Floodwater tractive forces, runout of precipitation-derived waters, and wave action were effective only in removing soft sediments or loose debris from upper bank failures. Sediments deposited by spring floods, if allowed to dry for two to three months, strongly resisted subsequent wave attack.
Riverbank change— sixmile island, Ohio river, USA
Abstract Soil exploration, collection of hydrologic and meteorologic data, and sequential comparative photography were used to investigate erosion/deposition on alluvial banks of an island in the Ohio River from April 1980 through April 1982. Major erosion episodes coincided with flood events and were caused primarily by exit of bank recharge waters from pervious bank soil layers after flood recession. Waves created by wind and/or vessel passage were of little significance in causing bank failure. Floodwater tractive forces, runout of precipitation-derived waters, and wave action were effective only in removing soft sediments or loose debris from upper bank failures. Sediments deposited by spring floods, if allowed to dry for two to three months, strongly resisted subsequent wave attack.
Riverbank change— sixmile island, Ohio river, USA
Weigel, T.A. (Autor:in) / Hagerty, D.J. (Autor:in)
Engineering Geology ; 19 ; 119-132
07.04.1983
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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