Assessing river flood risk and adaptation in Europe -- Review of projections for the future

Kundzewicz ZW, Lugeri N, Dankers R, Hirabayashi Y, Doell P, Pinskwar I, Dysarz T, Hochrainer-Stigler S, et al. (2010). Assessing river flood risk and adaptation in Europe -- Review of projections for the future. Mitigation and Adaptation Strategies for Global Change 15 (7): 641-656. DOI:10.1007/s11027-010-9213-6.

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Abstract

Flood damages have exhibited a rapid upward trend, both globally and in Europe, faster than population and economic growth. Hence, vigorous attempts of attribution of changes have been made. Flood risk and vulnerability tend to change over many areas, due to a range of climatic and nonclimatic impacts whose relative importance is site-specific. Flooding is a complex phenomenon and there are several generating mechanisms, among others intense and/or long-lasting precipitation, snowmelt, ice jam. Projected climate-driven changes in future flood frequency are complex, depending on the generating mechanism, e.g., increasing flood magnitudes where floods result of heavy rainfall and possibly decreasing manitudes where floods are generated by spring snowmelt. Climate change is likely to cause an increaseof the risk of riverine flooding across much of Europe. Projections of flood hazard in Europe based on climatic and hydrological model, reviewed in this paper, illustrate possible changes of recurrence of a 100-year flood (with probablity of exceedance being 1-in-100 years) in Europe. What used to be a 100-year flood in the control period is projected to become either more frequent or less frequent in the future time horizon of concern. For a large part of the continent, large flooding is projected to become more commonplace in futre, warmer climate. Due to the large uncertainty of climate projections, it is currently not pssibleto devise a scientifically-sound procedure for redefining design floods (e.g. 100-year flood) in order to adjust flood defenses. For the time being, we recommend to adjust design floods using a "climate change factor" approach.

Item Type: Article
Uncontrolled Keywords: Adaptation; Risk; Vulnerability; Climate projections; Climate change impacts
Research Programs: Risk and Vulnerability (RAV)
Bibliographic Reference: Mitigation and Adaptation Strategies for Global Change; 15(7):641-656 (October 2010) (Published online 05 March 2010)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:44
Last Modified: 24 Feb 2016 15:40
URI: http://pure.iiasa.ac.at/9254

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