Developing a Model to Study the Climate Change Impact on River Bifurcations in Engineered Rivers
M. Kifayath Chowdhury (TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
A Blom (TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
Claudia Ylla Arbós (TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
Ralph M.J. Schielen (Rijkswaterstaat, TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
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Abstract
Climate change is responsible for global shifts in precipitation patterns and an overall in-crease in global temperatures. The transi-tions are anticipated to modify the river hydro-graph and sea level. The changes to the hy-drograph are also likely to influence sediment flux. These alterations imply shifts in both up-stream and downstream boundaries for river bifurcations. However, the resulting bifurca-tion response remains uncertain and warrants further investigation. Our objective is to un-derstand the extent of large-scale and long-term response of river bifurcations to climate change. We take the Upper Dutch Rhine bifur-cation region as our case study and develop a 1D hydro-morphodynamic model representing the system to achieve this goal.