San Diego's usually blue waves recently turned a bright fuchsia, and scientists are explaining why.
Scripps coastal oceanographer and study leader Sarah Giddings called the research a"really unique experiment," as many previous studies on this subject matter have focused on large amounts of freshwater going into the ocean.
Giddings' research takes a deep dive into how estuaries and the coastal ocean influence each other. Estuaries, NOAA explains, are"delicate ecosystems" that contain freshwater drained from land as well as salty seawater. They are also"one of the most threatened ecosystems on Earth," , 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.
Giddings' team is doing three dye releases, the first of which was on Jan. 20. Another release is planned sometime before the end of the month and another in early February. During a release, researchers put into the estuary as the tide level is falling. The researchers say the bright pink coloration is then visible to the naked eye for several hours, and small traces are able to be detected for about 24 hours. ," researchers said on their website. The dye revealed that the initial plume was trapped in the surf zone but that it was eventually carried south with some of the plume getting ejected from the surf zone.
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