Structures first deployed as artificial reefs are being used in the Northeast to combat the force of waves as ocean levels rise
CLIMATEWIRE | Climate adaptation comes in myriad shapes and sizes. In Westchester County, N.Y., it could take the form of bored-out concrete domes that look more like D-Day bunkers than green infrastructure.
Officials say nearly 40 feet of the town’s shoreline has eroded since Superstorm Sandy slammed into the area in October 2012, a problem exacerbated by more recent storms like Hurricane Ida and king tides that rise ever closer to the shore. Placement of more than three dozen reef balls, each weighing between 1.5 and 2 tons, is expected next year at a cost of roughly $1.5 million, officials say, and is one of several elements of the living shoreline project at Rye. The balls will be visible above the water at low tide and disappear at high tide, officials said.
It worked. By breaking waves before they reached the shore, the balls reduced wave heights by half and lessened wave energy by an even greater factor, according to James O’Donnell, an oceanographer at UConn and director of the Connecticut Institute for Resilience and Climate Adaptation.
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