Focus Session

Sediment management

The importance of managing sediment in the context of climate change and integrated river basin development

Wednesday 15 May 2019 | 15:45-17:00 | room: Mansart

Hydropower has a prominent role in achieving the Paris Agreement. Reservoir and run-of-river hydropower projects provide low carbon energy production, stability and reliability to the electricity grid, and water services.

Alteration in the sediment budget in the catchment, in particular sedimentation, undermines the capacity of the hydropower projects to deliver water and energy services in addition to the upstream adverse effects of delta formation and downstream scour.

Sediment management contributes to maintaining storage capacity, reducing operating risks, and minimising river connectivity impacts. Implementing effective sediment management strategies is essential to extend the life of the project, to ensure a reliable and sustainable source of water and energy, and to maintain river connectivity.

Session objectives:

Why is sediment management important to hydropower projects for delivering sustainable water, energy and other multipurpose services? What are the policy needs, regulatory challenges, financial incentives and initiatives to promote sustainable sediment management?

This session will discuss the importance of managing sediment in reservoir and run-of-river hydropower projects. Sustainable development and management of current and future projects are essential to deliver effective water and energy services
in a context of increasing challenges associated with and exacerbated by climate change.

After initial framing of hydropower operational challenges and sediment management at river basin scale, panellists will focus on policy needs, regulatory challenges, financial incentives and initiatives that will promote sustainable hydropower and sustainable water resources development.

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Anil MISHRA (moderator)

Programme Specialist, UNESCO IHP
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Chairperson of UNESCO IHP ISI, Emeritus Professor, University of Berne
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International Expert
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R&D Manager and Dam Safety Coordinator, Statkraft AS
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Luiz Henrique MALDONADO

Hydrometry Specialist, Itaipu Binacional
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