Peak outflows of a detention basin

This code allow to describe the probability distribution of the peak outflows of a detention dam.
Updated 13 Jul 2021

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Flood detention basins are implemented to reduce peak flow rates, by temporary storing floodwater and releasing it downstream in a controlled way over a longer time. Existing methodologies for the design of these structures include simplified approaches based on a fixed designed inflow hydrograph and are also based on several assumptions. Such methods limit the possibility of a complete description of hydrological processes that occur during flood events, especially in small and ungauged basins. In this context, an integrated design procedure for the implementation of detention basins is proposed. Specifically, by applying probabilistic approaches and hydrological models, the current research project aims to define a methodology for the design of on-stream detention basins according to the profit maximization rule, i.e. maximize profits reducing costs. On the one hand, flood events will be described in probabilistic terms to effectively define potentially inundated areas, on the other hand, mitigation effects, as well as expected damages, will be assessed according to the exposure of the assets. The proposed procedure can provide better insights into hydraulic and hydrological processes and advance knowledge about flood risk assessment and management.

Cite As

Salvatore Manfreda (2024). Peak outflows of a detention basin (, MATLAB Central File Exchange. Retrieved .

Manfreda, S., D. Miglino, and C. Albertini, Impact of Detention Dams on the Probability Distribution of Floods, Hydrology and Earth System Sciences, (doi: 10.5194/hess-2021-47) 2021.

MATLAB Release Compatibility
Created with R2021a
Compatible with any release
Platform Compatibility
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