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Can we create new land to save the fragile Mississippi delta?

By Donna Lu

11 September 2019

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Drew Angerer/Getty

THIS 930-square-metre model may help save the fragile Mississippi delta and coastal ecosystem. Researchers at the Louisiana State University Center for River Studies in Baton Rouge use it to mimic 320 kilometres of the lower Mississippi river as it winds its way to the Gulf of Mexico, simulating a year of movement in an hour.

The Louisiana coastline has one of the world’s highest rates of relative sea level rise. Since the 1930s, Louisiana has lost more than 5000 square kilometres of wetlands through subsidence and the increased effects of climate change. Now, an area of coastal land the…

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