Map Shows US Cities That Could Go Underwater if Sea Levels Rise 3 Meters
Summary
Scientists warn that the collapse of Antarctica’s Thwaites Glacier could cause sea levels to rise by nearly 3 meters (about 10 feet) over time. This rise in sea levels would flood large parts of the U.S. coastline, putting many cities at risk of severe flooding or partial underwater submersion.Key Facts
- The Thwaites Glacier in West Antarctica is becoming unstable and losing ice rapidly.
- Its collapse could add about 65 centimeters (2 feet) to sea levels initially.
- This collapse might trigger further melting of the West Antarctic Ice Sheet, potentially raising sea levels by up to 3 meters.
- NOAA maps show that this rise would flood many U.S. coastal cities, including Jacksonville, Tampa, New Orleans, New York City, and parts of California.
- Florida and the Gulf Coast are especially vulnerable to flooding and land loss.
- Important infrastructure like airports and sports stadiums could be affected.
- The glacier has lost over 1 trillion tons of ice since 2000.
- The floating part of the glacier is breaking apart and melting faster due to warm seawater.
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