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Student paper in Nature Communications: Offshore transport of particulate organic carbon in the California Current System by mesoscale eddies

Tuesday, November 5, 2019 - 8:51am
ocean eddies in pacific

Great new work by marine scientists Caitlin Amos, Renato Castelao and Patricia Medeiros published in Nature Communications:

The 200-mile zone that hugs the curvature of the coast bursts with life, from phytoplankton to whales. Out in the open ocean, this activity is comparatively diminished. Understanding how coastal water is moved offshore fertilizing the open ocean is a long-standing goal of ocean scientists.

Now, a new study from University of Georgia researchers describes for the first time using large-scale observational analyses how upwelled water is trapped along the coast and then transported offshore, expanding the zone of biological productivity. The study was published Oct. 30 in Nature Communications.

Several mechanisms effectively move water offshore, from wind-forcing to the way ocean currents interact with coastal topography with capes and sub-marine banks, transporting nutrients and carbon far offshore. The UGA team focused on upwelling, in which deep, cold water rises to the surface along the coast, in the California Current System off the western coast of North America, characterized by ocean currents moving southward.

Type of News/Audience:


Doctoral Graduate Research Assistant
Associate Professor, Physical oceanography
Associate Professor, Aquatic Organic Geochemistry

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