Assessment of Risks of Flooding by Use of a Two-Dimensional Model

by A. Paquier,
P. Farissier,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


In case of rare floods, the rivers might go far away from their minor bed, submerging large areas, eventually with relatively high velocities. One-dimensional models are not suitable to describe such events as cross velocities are often of same order as velocities in the axis of the minor bed. With the support of the example of the flooding of a coastal plain (Agly River) in Southern France, we describe the use of a two-dimensional model in such cases.

Subject Headings: Two-dimensional models | Floods | Risk management | Fluid velocity | Flood plains | Case studies | High-rise buildings | Submerging | France | Europe

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