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News

Rising sea levels threaten New York City

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Wall Street

Flood risk: If the predictions are correct, a large belt around the tip of Manhattan – including Wall Street – would have a 10% chance of flooding in any given year. Image shows the New York Stock Exchange.

Credit: Wikimedia

"This will lead to the rapid sea level rise on the Northeast coast of the United States," said Yin.

And if, under the influence of melting ice sheets, "the global sea level rise is higher, the relative sea level rise will be superimposed. Proportionally it would be the same," he added.

Hurricane and storm risks

Rapid sea level increases would put cities such as New York, Boston, Baltimore and Washington DC at significantly greater risk of coastal hazards such as hurricanes and intense winter storm surges.

A study released last year by the Cambridge, Massachusetts-based Union of Concerned Scientists showed that, due to rising sea levels, once-in-a-century storms would occur on average every 10 years by 2100.

A large belt of around the tip of Manhattan – including Wall Street – would have a 10% chance of flooding in any given year, it concluded.

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