A Methodological Approach to Municipal Pluvial Flood Risk Assessment Based on a Small City Case Study

Felix Julian Othmer, Dennis Becker, Laura Miriam Schulte and Stefan Greiving
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Felix Julian Othmer: Institute for Spatial Planning (IRPUD), TU Dortmund University, August-Schmidt-Strasse 10, 44227 Dortmund, Germany
Dennis Becker: Institute for Spatial Planning (IRPUD), TU Dortmund University, August-Schmidt-Strasse 10, 44227 Dortmund, Germany
Laura Miriam Schulte: Institute for Spatial Planning (IRPUD), TU Dortmund University, August-Schmidt-Strasse 10, 44227 Dortmund, Germany
Stefan Greiving: Institute for Spatial Planning (IRPUD), TU Dortmund University, August-Schmidt-Strasse 10, 44227 Dortmund, Germany

Sustainability, 2020, vol. 12, issue 24, 1-17

Abstract: Urban flooding caused by heavy rainfall confronts cities worldwide with new challenges. Urban flash floods lead to considerable dangers and risks. In cities and urban areas, the vulnerability to pluvial flooding is particularly high. In order to be able to respond to heavy rainfall events with adaptation strategies and measures in the course of urban development, the spatial hazards, vulnerabilities and risks must first be determined and evaluated. This article shows a new, universally applicable methodical approach of a municipal pluvial flood risk assessment for small and medium-sized cities. We follow the common approaches to risk and vulnerability analyses and take into account current research approaches to heavy rainfall and urban pluvial flooding. Based on the intersection of the hazard with the vulnerability, the pluvial flood risk is determined. The aim of the present pluvial flood risk assessment was to identify particularly affected areas in the event of heavy rainfall in the small German city of Olfen. The research procedure and the results have been coordinated with the city’s administration within the framework of a real laboratory. In the course of the science–policy cooperation, it was ensured that the results could be applied appropriately in urban developments.

Keywords: heavy rainfall; pluvial flooding; vulnerability assessment; risk assessment; spatial analysis; urban planning (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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