Author(s): Paul F. Hudson

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Keywords: Lower Mississippi; Rhine River delta; Water boards; Levee boards; Flood management; 2005 New Orleans flood disaster and Hurricanes Katrina–Rita; Integrated flood management (IFM)

Abstract: Large lowland rivers and deltas with high concentrations of human activities are vulnerable to different forms of global environmental change and depend upon effective flood management. This study utilizes the approaches and experiences of the lower Mississippi (Louisiana) and lower Rhine Rivers (the Netherlands) to examine the development of integrated flood management (IFM). The development of an ‘integrated’ approach to flood management informed by climate change science and oriented to environmental restoration is strongly present in Europe, and the Netherlands in particular. The epic 2005 New Orleans flood disaster associated with Hurricanes Katrina–Rita represented a paradigm change in flood management with international implications, and in particular the management of embanked floodplains. In contrast to the ‘incremental’ evolutionary model of flood management in the Netherlands, the US and lower Mississippi are characterized by large ‘pendulum’ style changes in flood management, alternating from federal- to local-scale dominance with the environmental change being a lower priority. An important distinction between the lower Rhine and Mississippi is the governmental structure of management, and particularly the role of local-scale entities. US flood management is more top-down than Dutch flood management, with Dutch water boards having more input into water management than US levee boards. The Dutch approach, by comparison, provides elasticity to develop a true ‘integrated’ approach to flood management adaptable to global environmental change and suited for environmental management and restoration. The 2005 New Orleans and Gulf Coast flood disaster initiated a new era of US flood management characterized by the return of a robust federal presence, and stimulated an international exchange of ideas regarding IFM that embraces climate change science and environmental restoration.

DOI: https://doi.org/10.1080/15715124.2017.1411921

Year: 2018