Description du projet
Des études sur les sédiments révèlent l’histoire de l’affectation des sols
Que savons-nous des changements dans les apports sédimentaires des cours d’eau? Pas grand-chose. Nous savons que la perturbation du régime sédimentaire est un acteur clé dans la modification des bassins versants. Les études des régimes sédimentaires des bassins versants modifiés par une occupation des sols moyenne et intensive restent toutefois rares. Or sans une compréhension des changements dans les apports sédimentaires des cours d’eau, il manquera toujours des pièces au puzzle. Le projet SEDILAND, financé par l’UE, entend identifier ces pièces manquantes. Il étudiera l’impact des modifications de l’occupation des sols sur le régime sédimentaire d’un bassin versant et, in fine, sur la morphologie des chenaux fluviaux. En outre, il cherchera à déterminer s’il existe un point de basculement critique garantissant la réversibilité de la perturbation du régime sédimentaire par rapport à un scénario préétabli.
Objectif
In a globally changing world, sediment regime disturbance has emerged as a dominant actor in the modification of river catchments. The sediment regime refers to the sediment budget (amount, type and timing of sediment inputs, outputs and storage) of a river system. Studies of sediment regimes in medium and heavily land cover modified catchments are scarce to the extent that even the likely direction of change of sediment yield compared to background conditions is unknown. Without understanding the changes in the sediments inputs of rivers we are potentially missing half the story. The main and novel research questions within the SEDILAND project are: how (and how rapidly) land cover changes impact on the sediment regime of a river catchment and ultimately on the river channel morphology?; Is there a critical tipping point that guarantees the reversibility of the sediment regime disturbance to a pre-developed scenario?; and if not, how can we assist in fostering a better environmental and territorial management in catchments that preserve natural processes (flow and sediment regime)?. These questions will be tackled thanks to the collaboration between IPE and IHE. These institutions are world authorities on assessing changes on land cover, sediment regime and population dynamics. In turn, the applicant has a broad knowledge in the field of Geoenvironmental Processes. The applicant will be trained in leadership, management, funding, supervision and communication skills. Jointly this team is in a position to push the boundaries of sediment regime disturbance knowledge far ahead, with the ultimate intent to allow the applicant to train through research and become an independent researcher in Europe. This MSCA addresses two of the H2020 Societal Challenges: “Food security, sustainable agriculture and forestry, marine and maritime and inland water research, and the Bioeconomy”, and “Climate action, Environment, Resource efficiency and Raw materials”.
Champ scientifique
- agricultural sciencesagriculture, forestry, and fisheriesagriculturesustainable agriculture
- natural sciencesearth and related environmental sciencessoil sciencesland-based treatment
- medical and health scienceshealth sciencesnutrition
- social scienceseconomics and businesseconomicsbioeconomy
- agricultural sciencesagriculture, forestry, and fisheriesforestry
Programme(s)
Régime de financement
MSCA-IF-EF-ST - Standard EFCoordinateur
28006 Madrid
Espagne