Affiliation: | a Department of Geological and Mining Engineering and Sciences, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931-1295, USA;b Visualization and Scientific Animation, Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109-8099, USA;c CSIRO Atmospheric Research, PB 1, Aspendale, Victoria, Australia |