Hydrological and sediment discharge model
Changes in the landscape, such as land use changes and climate changes, can cause an increase or decrease in runoff and sediment discharge. Within WP1, a coupled hydrological-sediment transport model will be developed that simulates daily water and sediment discharge using precipitation and land cover data. Existing models, such as the WaTEM/SEDEM model developed at KU Leuven, will be used as a starting point.
River channel morphology model
Changes in runoff and sediment discharge can cause in turn an incision or aggradation of the river channel and can change the morphology of the river channel. The morphology of the river channel influences the flood frequency and the deposition of sediments and nutrients in the floodplain, and assuch the morphology and soil quality of the floodplain. These interactions are however not well known. Within WP 1, a model will be developed that simulates changes in river morphology, flood frequency and floodplain morphology.