Publications related to Environmental impact of reservoirs

Exploring the efficacy of reservoir fine sediment management measures through numerical simulations

Giovanni De Cesare, Azin Amini, Samuel Luke Vorlet, Montana Marshall

Reservoir sedimentation is one of the main challenges in the sustainable operation of large reservoirs because it causes volume loss, affecting hydropower production capacity, dam safety, and flood management. To ensure the sustainability of deep reservoir ...

CRC Press/Balkema2023

Experimental modeling of fine sediment routing: SEDMIX device with thrusters

Giovanni De Cesare, Azin Amini, Montana Marshall

Reservoir sedimentation is a key challenge for storage sustainability because it causes volume loss, affecting hydropower production capacity, dam safety, and flood management. A preliminary EPFL study proposed and studied an innovative device (called SEDM ...

CRC Press/Balkema2023

Characterization of Thruster-Induced Turbulence for Fine Sediment Suspension

Giovanni De Cesare, Azin Amini, Montana Marshall, Andre Luis Stakowian

2023

The clogging of riverbeds: A review of the physical processes

Giovanni De Cesare, Romain Maxime Dubuis

Fine sediment represents an important part of the solid flux of rivers. Due to the size of these particles, they are often transported as suspended load. They gradually fill the pores of the substrate forming the hyporheic zone or cover the substrate by se ...

2023

Numerical Simulations of an Innovative Water Stirring Device for Fine Sediment Release: The Case Study of the Future Trift Reservoir

Pedro Filipe De Almeida Manso, Azin Amini, Anass Chraibi

Reservoir sedimentation and consequently lack of storage volume and perturbation of the operation of intakes and bottom outlet is a key challenge affecting both hydropower production as well as dam safety and flood management. In the framework of a peer-re ...

Springer2020

Innovative methods to release fine sediments from reservoirs developed at EPFL, Switzerland

Anton Schleiss, Giovanni De Cesare, Pedro Filipe De Almeida Manso, Azin Amini, Sabine Chamoun

Electricity generation, water supply, flood protection, flow regulation and navigation are amongst the main services provided by reservoirs. Sedimentation affects the sustainability of reservoirs, by reducing their storage capacity, and increases the negat ...

2019

Sediment flushing downstream dams: a study on the clogging by fine sediments

Giovanni De Cesare, Christophe Ancey, Romain Maxime Dubuis

Water reservoirs used to produce electricity have an impact on the environment and durability by : • stopping the natural sediment flux • changing the flow regime downstream of the reservoirs • storing (fine) sediments that reduce the storage volume Those ...

2019

Sediment replenishment as a measure to enhance river habitats in a residual flow reach downstream of a dam

Anton Schleiss, Mário Jorge Rodrigues Pereira Da Franca, Severin Stähly

Floodplains downstream of a dam, where the natural flow regime is replaced by a constant residual flow discharge, often lack sediment supply and periodic inundation due to the absence of natural flood events. In this study, a flood with a one-year return p ...

Canadian Dam Association2019

Sediment replenishment combined with an artificial flood improves river habitats downstream of a dam

Anton Schleiss, Mário Jorge Rodrigues Pereira Da Franca, Severin Stähly, Christopher Robinson

River reaches downstream dams where a constant residual flow discharge is imposed, often lack sediment supply and periodic inundation due to the absence of natural flood events. In this study, a two-year return flood was released from an upstream reservoir ...

2019

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Environmental impact of reservoirs

Exploring the efficacy of reservoir fine sediment management measures through numerical simulations

Hydromorphological assessment of sediment augmentation measures in gravel-bed rivers

Experimental modeling of fine sediment routing: SEDMIX device with thrusters

Characterization of Thruster-Induced Turbulence for Fine Sediment Suspension

The clogging of riverbeds: A review of the physical processes

Numerical Simulations of an Innovative Water Stirring Device for Fine Sediment Release: The Case Study of the Future Trift Reservoir

Innovative methods to release fine sediments from reservoirs developed at EPFL, Switzerland

Sediment flushing downstream dams: a study on the clogging by fine sediments

Sediment replenishment as a measure to enhance river habitats in a residual flow reach downstream of a dam

Sediment replenishment combined with an artificial flood improves river habitats downstream of a dam

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Exploring the efficacy of reservoir fine sediment management measures through numerical simulations

Hydromorphological assessment of sediment augmentation measures in gravel-bed rivers

Experimental modeling of fine sediment routing: SEDMIX device with thrusters

Numerical Simulations of an Innovative Water Stirring Device for Fine Sediment Release: The Case Study of the Future Trift Reservoir

Characterization of Thruster-Induced Turbulence for Fine Sediment Suspension

Sediment replenishment as a measure to enhance river habitats in a residual flow reach downstream of a dam

The clogging of riverbeds: A review of the physical processes

Sediment flushing downstream dams: a study on the clogging by fine sediments

Sediment replenishment combined with an artificial flood improves river habitats downstream of a dam

Innovative methods to release fine sediments from reservoirs developed at EPFL, Switzerland