Army Corps proposes giant hurricane barrier across New York Bay

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New York Harbor, Manhattan

MATTHEW SCHUERMAN / WNYC – More than five years after Sandy, the U.S. Army Corps of Engineers is taking a closer look at one of the ideas that caught the public’s imagination right after the storm hit: a giant steel-and-concrete barrier that would stretch across New York Harbor and prevent an ocean surge from flooding waterfront areas again.

Such barriers gained prominence in the Netherlands, where a series of structures called the Delta Works protects the southwestern part of the country. But they’re also in use in London; St. Petersburg, Russia; Providence, R.I.; and Stamford, Conn. The gates are kept open most of the time to permit ships to pass and water to circulate, but they swing closed when a hurricane approaches. (The gates in Stamford swing upward off the sea floor.) …

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