HS9.6 | Sediment Dynamics and Watershed Management under Environmental and Climate Change
EDI
Sediment Dynamics and Watershed Management under Environmental and Climate Change
Co-organized by GM5/SSS2
Convener: Olivier Evrard | Co-conveners: Sara CucchiaroECSECS, Thomas Chalaux-ClergueECSECS, Marco Cavalli, Leticia Gaspar, Georg NaglECSECS, Anthony Foucher

Understanding and managing sediment dynamics and soil conservation are critical to addressing the challenges posed by climate change, land use transformations, and anthropogenic pressures on terrestrial and aquatic ecosystems. This integrated session focuses on advancing knowledge of sediment transport processes, source tracing, and conservation techniques to inform sustainable land and water management practices.

We welcome contributions that:
*Develop innovative field measurements, sediment sampling, and tracing techniques to quantify soil erosion, redistribution, and sediment transit times over various temporal and spatial scales.
*Explore the impacts of human activities (e.g., deforestation, agricultural expansion, pollutant releases) on sedimentary systems and evaluate environmental responses to anthropogenic forcing using recent sediment records from lakes, reservoirs, and river systems.
* Investigate the design, effectiveness, and long-term sustainability of channel control structures and soil conservation techniques, leveraging cutting-edge remote sensing and multi-temporal monitoring technologies.

This session promotes a multidisciplinary approach, linking methods such as geochemical and isotopic tracers, radioisotope studies, sediment budgeting, and bioengineering to understand sediment delivery and ecosystem resilience. It fosters collaboration between soil scientists, hydrologists, geomorphologists, and practitioners, aiming to address critical knowledge gaps in sediment tracing, catchment restoration, and land-use management. Early career scientists are encouraged to contribute their innovative research to this dialogue.

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