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Please note that this session was withdrawn and is no longer available in the respective programme.

HS/GM3.6

Land Use and Climate Impacts on Fluvial Systems during the period of agriculture (Open LUCIFS session)
Convener: Andreas Lang  | Co-Conveners: Thomas Hoffmann , Bastiaan Notebaert , Gilles Erkens 
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Agricultural activity has dramatically transformed sediment, carbon and nutrient fluxes and has significantly changed the functioning of river systems, often resulting in increased river sensitivity to climatic impacts. Reconstructing system response to climate and land use impact has proven challenging as it is dependent on a catchment’s physiographic setting that exerts a complex signal conversion pattern on erosion, sediment transport and deposition. Understanding the functioning of fluvial systems under climate change and human impact, including intrinsically delayed and buffered fluvial response is the major aim of the PAGES-Focus 4 program LUCIFS (Land Use and Climate Impacts on Fluvial Systems).
The session builds on the outcomes of LUCIFS at EGU 2010 that highlighted the scale-dependence of land use and climate impacts on fluvial systems. In addition, deciphering between the impact of climate change and human land use on fluvial systems remains a strongly debated topic, just as the time-scale dependence of reconstructed sedimentation rates.

The session aims at bringing together the latest results of research carried out within the LUCIFS program, and related studies. We cordially invite all contributions that focus on land use and climate impacts on fluvial systems during the period of agriculture. Contributions may include:
• Development of new technologies and methodologies to investigate fluvial response to environmental change at different spatial and temporal scales from the uplands to the coast;
• Case studies of sediment dynamics in response to climate and land use change in different physiographic settings;
• Studies that highlight the importance of buffered and delayed fluvial response in the cause-effect relationships between environmental change and fluvial development;
• Studies emphasising the importance of coupling relationships (hillslope-channel, tributary-trunk stream) for sediment fluxes.

For this years’ session we specifically welcome contributions on the following topics:
• quantification of sediment, carbon and nutrient fluxes under human impact
• spatial and temporal scale dependence of reconstructed sedimentation and erosion rates

We intend to bring together scientist from geomorphology, hydrology, climatology, geo-archaeology and environmental history. We welcome contributions using physical or numerical modelling as well as field-based research.