The California Undercurrent as a source of upwelled waters in a coastal filament

Katherine Dorothy Zaba, Scripps Institution of Oceanography, UCSD, La Jolla, CA, United States, Peter J. S. Franks, Scripps Institution of Oceanography, La Jolla, CA, United States and Mark D Ohman, Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, United States