SedNet conference 2021

Impacts of disturbed sediment continua and mitigation measures?

Description

In Europe, most river basins are facing a sediment disbalance, leading to a surplus of sediments in reservoirs and a deficit in free-flowing sections. Reservoir sedimentation limits hydro- power generation, increases flood risk, impacts the functioning of ecosystems. River bed erosion causes instabilities of bank protection measures with related flood risk issues, lowering of the groundwater level, lack of instream morphological features and related degradation of habitats. Problems with ecosystem services, navigation, delta subsidence and coastal erosion. Thus, it is of utmost importance to have sediment balance for all European river systems. We discuss the methodology, data and analysis needed to establish sediment balance. This includes improvement of the understanding of sediment fluxes and budgets on a river basin scale.

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