Louisiana, Coastal Erosion, Wetlands, Mississippi River, Levees And Dams, River, Flood, Climate Change, Global Warming, Environment, Boston, Alden Research Laboratory

Louisiana, Coastal Erosion

A Mini-Mississippi River May Help Save Louisiana’s Vanishing Coast

A $1.4 billion project to protect the Louisiana coast from subsidence and climate change is being tested in a warehouse-size lab in Massachusetts.

26.2.2020

To understand and help save Louisiana ’s vanishing coast, engineers recreated part of the Mississippi River . At 1/65th the size of the actual river. In Massachusetts.

A $1.4 billion project to protect the Louisiana coast from subsidence and climate change is being tested in a warehouse-size lab in Massachusetts.

The gates on the diversion channel allow operators to limit or stop the fresh water flowing out of the Mississippi.Building diversions means opening up those levees, “a complete about-face of how we’re using the resources of the lower Mississippi River,” he said. Putting in diversions is an acknowledgment, then, that “we can no longer accomplish things by damming things off with flood protection.”

The scale model, about 200 feet long and 70 feet wide, had to account for the differences between the weight of actual sand at the speed the real river flows, and the much slower rate of flow in the model.As the 200,000 gallons of recirculating water flow through the model, the researchers experience the unexpected in real time.

There is a second model of the chute itself, with tiny pebbles scaled to match the corresponding size of the heavy stone, known as riprap, that will line the actual channel. And, after the tests on this Mid-Barataria model are completed, the model will be broken down and a new one representing the second diversion will be built.

is still under consideration by state agencies, and the work to determine whether the project would hinder the diversion is being performed on computational models, Mr. Barth said.Inaction is not an option, he said. “The sea is going to win the fight.”



Read more: The New York Times

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. Let them eat cake I love this small but mighty company! Why not use the models at ERDC in Vicksburg? Ok, so 64 more of those and we should be good to go. commoncoremathandscience 1.4 billion... people have money for this... but wont help others.. WOW. Wait until NYC’S COAST(beaches) start to disappear...!

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