Just months after the U.S. Army Corps of Engineers completed a $16 million proje...
JACKSONVILLE BEACH, Fla. - Just months after the U.S. Army Corps of Engineers completed a $16 million project to restore sandy beaches in Jacksonville, Florida, Hurricane Dorian is about to pound them again, illustrating the uphill battle that American coastal cities face in protecting their most valuable asset.
That figure is similar to forecasts ahead of other past major hurricanes in the region, and some of that erosion will be temporary: Sand that gets swept offshore in a storm is slowly returned to the beach in the following weeks in gentler weather. Sandy beaches are a prime tourist draw in Florida. The land behind them has become increasingly valuable and developed over the last century, requiring elaborate efforts to stop the coastline from changing too much through natural erosion brought about by storms and rising sea levels caused by climate change.
As with all such projects, it is designed to be eroded during a storm, dissipating a storm’s energy and protecting the city behind. The Army Corps says the costs of the projects are far outweighed by the potential cost of the damage they prevent happening. The USGS forecast that Dorian could send water surging over up to a quarter of the dunes in Florida and nearly 60 percent of the dunes in Georgia and South Carolina. “The dunes, once they erode, take decades to build back up,” Doran said.
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