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 : 34th Congress - Brisbane (2011) : THEME 7: Hydroinformatics : Hydrodynamic model of a flood wave propagation in the lower biebrza basin
Hydrodynamic model of a flood wave propagation in the lower biebrza basin
Author : D. Swiatek , S.Ignar
An unsteady 1D flow model was developed for a river with vegetated floodplains. The basic form of the non-linear St Venant equations combined with retention effects of the vegetated areas on flood wave conveyance were used in the model. The model was applied to the Lower Biebrza River, situated in the north-eastern part of Poland, flowing through the last extensive, fairly undisturbed rivermarginal peatland in Europe. The status of vegetation in this area depends on floods, which occur every year. The friction coefficients of vegetation (reeds, sedges, grasses, bushes as well as trees and scrubs) in floodplains were determined by field monitoring. Water level observations collected by an automatic monitoring system were used in calibration and validation process. The model was calibrated and validated for flood events in 2006 and 2007 year.
File Size : 1,673,788 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 7: Hydroinformatics
Date Published : 01/07/2011
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