The usual blue waters off the coast of San Diego are looking quite different — at least for a while. Bright fuchsia-colored waves were seen crashing along the shore, and researchers have revealed just what's causing the sudden and dramatic color change.
Pink waves at Torrey Pines State Beach, temporarily dyed as part of a study by the Scripps Institution of Oceanography at the University of California-San Diego, on Jan. 20, 2022 / Credit: Erik Jepsen/UC San Diego
By releasing a non-toxic pink dye in the nearby Los Peñasquitos Lagoon coastal estuary, researchers say they are able to monitor what happens to that water when"small-scale plumes" end up in the surf zone along the beach, where the waves break. This research, Scripps said, will"provide a first-ever view" of how freshwater mixes with the more dense ocean water within waves. That information, they said, is crucial for understanding how sediments, pollutants, larvae and other materials disperse throughout shorelines. The pink plume in this study will be monitored with various instruments, from land, sea and air.
, as human activities have negatively impacted their overall health. Because these bodies of water filter out sediments and pollutants from water before flowing into the ocean, they are a vital component of health for marine life.
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