Mark A Merrifield¹, Laura Engeman¹, Mele Johnson¹, Serge Dedina², Chris Helmer², James Behrens¹, Eric Terrill¹, Adam Young¹, Julia W Fiedler¹, Bonnie C Ludka¹, Cassandra Henderson¹, Michele Okihiro¹, William C O'Reilly¹ and Robert T Guza¹, (1)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (2)City of Imperial Beach, CA, United States