Brook Tozer, Scripps Institution of Oceanography, La Jolla, CA, United States, Julaiti Alafate, University of California San Diego, Department of Computer Science and Engineering, La Jolla, United States, David T Sandwell, Scripps Institution of Oceanography, Institute of Geophysics and Planetary Physics, La Jolla, CA, United States and Yoav Freund, University of California San Diego, La Jolla, CA, United States