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Increasing river floods: fiction or reality?
Günter Blöschl1, Ladislav Gaál1, Julia Hall1
1Institute of Hydraulic Engineering and Water Resources Management Vienna University of Technology Vienna Austria.
Wires. Water
|August 23, 2016
Summary
Recent global floods suggest an increase, but scientific debate continues. This review examines past flood changes, driving factors, and future assessment methods, emphasizing integrated flood risk management.
Area of Science:
- Hydrology and Climate Science
- Environmental Change and Risk Management
Background:
- Recent years have seen a notable increase in major global floods, prompting discussion on potential long-term trends.
- The realism of observed and projected flood changes remains a subject of active scientific debate.
Approach:
- This article provides an overview of past flood changes and their driving processes across atmospheric, catchment, and river systems, using European examples.
- It reviews methodologies for assessing future flood increases and highlights the importance of human-water system feedbacks.
Key Points:
- Flood changes are influenced by complex interactions within atmospheric, catchment, and riverine environments.
- Assessing future flood risk requires considering feedbacks within the human-water system over decadal to centennial timescales.
- Integrated flood risk management is crucial for adapting to future flood challenges.
Conclusions:
- Effective flood risk management necessitates a holistic approach that reduces societal vulnerability.
- Understanding past trends and driving forces is essential for predicting and mitigating future flood impacts.
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