IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 36th Congress - The Hague (2015) ALL CONTENT : Flood risk management and adaptation : A vegetation roughness model to evaluate flood risk along secchia river
A vegetation roughness model to evaluate flood risk along secchia river
Author : DARIO BERNARDI(1) & LEONARDO SCHIPPA(1)
ABSTRACT
In January 2014, a serious flooding event (due to a levee breach) occurred in the towns of Bastiglia and Bomporto, located
in the Modena Province (Italy) along Secchia River. Since then, concerns have increased about the role of vegetation in
Secchia river channel during big floods. A detailed characterization of riparian vegetation features has then been produced
by the Po River Interregional Agency (AIPo) to point out critical issues about current vegetation pattern along Secchia river
banks and possibly plan a maintenance - remediation strategy. This characterization report constitutes a good basis for a
hydrodynamic modelling work; a 1D finite-volume model with mobile bed, accounting for the influence of different
vegetation patterns and densities on flow resistance has been applied to a 60 km long stretch of Secchia river, to support
management choices and possibly check the effectiveness of a proposed vegetation plan in reducing flood risk. The
agreement of the simulation results for a real flood event with gauged values is satisfactory.
File Size : 572,816 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 36th Congress - The Hague (2015) ALL CONTENT
Article : Flood risk management and adaptation
Date Published : 20/08/2015
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