If you live around the San Francisco Bay, you're probably familiar with cement sea walls and sturdy levees. But, increasingly, a nature-based design is providing an alternative -- one with significant benefits in the face of sea level rise.
Here's how horizontal levees protect shoreline projects, like tidal marshes, in the San Francisco Bay.If you live around the San Francisco Bay, you're probably familiar with cement sea walls and sturdy levees.
Joined by volunteers and colleagues from Save the Bay, the team installed hundreds of plants that will help clean the bay waters as the tides surge in and out. "It's possible for a tidal marsh to get drowned out if it can't keep up pace with the rate of sea level rise. And providing these horizontal levee spaces gives them somewhere to grow upward and continue to provide that important habitat," Olson said.
"We are going to embrace the tide and use it to build up sediments within that habitat, while providing habitat and home for four species and treat wastewater a little bit more and remove more nutrients and remove more contaminants of emerging concern," English said.
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