Tags: new york city | flood | risk | growing | climate change

New York City's Flood Risk Said Rising With Climate Change

Image: New York City's Flood Risk Said Rising With Climate Change

South Street Seaport of Manhattan was severely flooded by Hurricane Sandy. (Spencer Platt/Getty Images)
 

By    |   Tuesday, 11 Oct 2016 09:06 AM

New York City's flood risk from climate change is growing, according to a new study that determined some areas could see water surges of up to nine feet in hurricanes happening from three to 17 times more often.

They study, published this week in the Proceedings of the National Academy of Sciences, examined how frequently floods like those produced by Hurricane Sandy could occur until 2100, reported Reuters. That storm ravaged the New York and New Jersey area in 2012, costing billions of dollars.

Princeton University news said researchers from there, Rutgers University and the Woods Hole Oceanographic Institution developed a computer simulation that estimated that storm-related flooding on the New York City coastline similar in scale to those seen during Sandy that are likely to become more common in coming decades.

"That's approximately – worst case scenario – once every 20 years," said Rutgers University professor Benjamin Horton, part of the team of scientists who published the findings. "The inundations from hurricanes will affect where we live, it will affect how we work, it will cause problems with the ecosystem."

Robert Kopp, an Earth science professor at Rutgers and co-author of the study, said that when researchers factored the sea level rise from the effects of climate change, about three millimeters per year, it made the Sandy-like flooding more frequent, noted website Gizmodo.

"We found that if you factor in this change in sea level that's happened in New York (since the 19th century) that's led to about a three-fold increase in flood risk," Kopp said. "The punch line is that this basically needs to be a core part of how we make decisions."

The scientists hope the new computer models will provide more accurate predictions about the kinds of storm floods that will threaten coastal cities over the next century.

"To effectively prepare for future hurricanes, we need to know what coastal cities will be facing in the coming decades, but past models have not accounted for all of the significant dynamic factors involved in predicting surge floods," said Princeton professor Ning Lin, the lead author of the study.

"You need numbers to plan, and this analysis puts sea-level rise and storm surge climatology together on a quantitative basis."

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New York City's flood risk from climate change is growing, according to a new study that determined some areas could see water surges of up to nine feet in hurricanes happening from three to 17 times more often.
new york city, flood, risk, growing, climate change
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2016-06-11
Tuesday, 11 Oct 2016 09:06 AM
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