New research suggests that America's coastal cities are sinking, increasing the risk of flooding beyond what was previously anticipated due to sea level rise alone. The study looked at 32 major cities along the US shoreline and projected future flooding scenarios with climate change. Without adequate flood defenses, a worst-case scenario could result in one in 50 people and one in 35 properties facing flooding during high tide by 2050. The researchers emphasize the need for cities to prepare for both sinking cities and rising seas.
America’s coastal cities are sinking, putting more people at risk for flooding than urban planners might have expected with sea level rise alone. The gradual sinking of land, also known as land subsidence , could cause flooding to reach far more communities than previously anticipated, according to new research published today in the journal Nature. The study looked at 32 major cities along the US shoreline, and forecasted future flooding with climate change .
In a worst-case scenario without adequate flood defenses, up to one in 50 people and one in 35 properties in those cities could face flooding during high tide by 2050. Cities need to prepare for the double whammy, the researchers contend. The problem is twofold — sinking cities and rising seas — so solutions have to be twofold, as well. '“It’s something that is not so far off.”' “It’s something that is not so far off. And the hazards that we present are very, very realistic,” says Leonard Ohenhen, lead author of the study and a PhD candidate at Virginia Tec
Coastal Cities Sinking Flooding Land Subsidence Sea Level Rise Climate Change Flood Defenses
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