Information - GM20 Mountain rivers: from process understanding to river management and restoration
Mountain rivers worldwide have undergone significant changes over the two last centuries. Human activities have modified their geometry through engineering measures to gain land for agricultural purposes and settlements, as well as through active mining to exploit gravel resources. Their sediment and water transfers have also been altered by hydropower-plant construction, torrent control works and catchment land-use changes. The resulting river morphological changes have led to abiotic (e.g. river bed degradation and narrowing) and biotic (e.g. longitudinal and lateral disconnection) disruption. The current critical management situation (channel instability problems, flood effects, biodiversity decrease) has made river restoration a major issue in the Alps and other mountain regions. The effective management of such rivers depends on our understanding of their geomorphology, hydrology and ecology. Papers are sought that address these issues, and which place them within a river management context.
Preliminary List of Solicited Speakers
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