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Keywords:

  • surface currents;
  • high-frequency radar;
  • submesoscale;
  • wave number spectra

[1] A network of high-frequency radar systems designed for mapping ocean surface currents now provides unprecedented detail of coastal ocean dynamics along the U.S. West Coast, according to Kim et al. The network has grown over the past decade from a few radars to what is now considered the largest network of its kind in the world, providing nearly complete coverage of currents along approximately 2500 kilometers of shoreline. With an ability to resolve kilometer-scale currents out to approximately 150 kilometers offshore, the technology has been used for local oceanographic studies in addition to applied applications for supporting oil spill response, search and rescue, fisheries, and coastal discharge assessment. (Journal of Geophysical Research-Oceans, doi:10.1029/2010JC006669, 2011)