Dustin Carroll, Moss Landing Marine Laboratories, Moss Landing, CA, United States, David Sutherland, University of Oregon, Department of Earth Sciences, Eugene, OR, United States, Mark James Hopwood, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Twila A Moon, University of Colorado at Boulder, National Snow and Ice Data Center and Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States and Dimitris Menemenlis, NASA Jet Propulsion Laboratory, Pasadena, CA, United States