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Since the twentieth century, a deliberate effort has been made to allocate more space for rivers and floodplains, establishing a necessary coexistence with nature’s fluctuations. The river is formless, yet confined within the cartographic lines of the atlas, while contemporary designers’ drawings consolidate the linearity. With rising sea levels, escalating extreme weather events, and urban expansion, the vulnerabilities of the floodplain have come to the forefront.
This project envisions the establishment of a series of dynamic flood bypasses along the primary Rhine channel, achieved through the restoration of linear wet meadows. This innovative initiative seeks to mitigate flood hazards, enhance biodiversity, reconnect with the local floodplain heritage, and create an educational site centred around nature.
A water hierarchy plan was developed as the overarching site strategy. The “third river” is created as a linear restoration zone connecting existing scattered polders and high-risk flood areas.
The Upper Rhine has the most diversified landscape history. Water creates a constant “flow balance” of emerging and dying plants on the floodplain.
A specialised software called Caesar Lisflood was used to simulate this water flow. The simulation process entails multiple runs, each with varying parameters, and generates a series of images.
The site will be transformed into an educational destination, offering visitors opportunities to learn about floodplain ecosystems and sustainable water management practices.
A unique technical design combines gabion structures with seed capsules, serving a dual purpose as both a man-made solution to control water flows and an innovative tool for seed dispersal.