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Water 2015, 7(10), 5752-5767; doi:10.3390/w7105752

Assessment of the Impact of New Investments on Flood Hazard-Study Case: The Bridge on the Warta River near Wronki

1
Department of Hydraulic and Sanitary Engineering, Poznan University of Life Sciences, ul. Wojska Polskiego 28, 60-637 Poznan, Poland
2
Department of Land Improvement, Environmental Development and Geodesy, Poznan University of Life Sciences, ul. Wojska Polskiego 28, 60-637 Poznan, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Miklas Scholz
Received: 31 July 2015 / Revised: 19 September 2015 / Accepted: 10 October 2015 / Published: 21 October 2015
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Abstract

The main concern of the study was the evaluation of the impact of new investment in road infrastructure on the flood hazard. The flood hazard is considered here on the basis of maps according to requirements of EU Flood Directive. The analyses presented were made for the Warta river, near the town of Wronki. The procedure included data collection and processing, model configuration, hydraulic simulation, generation of water surface profiles, and flood hazard maps. The ArcGIS tools, as well as HEC-RAS package, were used in this research. The model recalibration described in the paper provided excellent results according to independent criteria. Hence, the results obtained may be considered as valid. Finally the results reconstructing the conditions with and without the bridge are compared. The assessed impact of the bridge seems to be moderate, but the procedure proposed in the presented paper may be of wider application. In view of the EU Flood Directive and plans for investments in road infrastructure, the methodology presented seems very attractive. View Full-Text
Keywords: flood hazard maps; EU Flood Directive; bridge impact; hydraulic simulations flood hazard maps; EU Flood Directive; bridge impact; hydraulic simulations
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Dysarz, T.; Wicher-Dysarz, J.; Sojka, M. Assessment of the Impact of New Investments on Flood Hazard-Study Case: The Bridge on the Warta River near Wronki. Water 2015, 7, 5752-5767.

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