Robert Andrew Marshall¹, Wei Xu¹, Austin P Sousa¹, Michael P McCarthy² and Robyn M Millan³, (1)University of Colorado at Boulder, Aerospace Engineering Sciences, Boulder, CO, United States, (2)University of Washington Seattle Campus, Earth and Space Sciences, Seattle, WA, United States, (3)Dartmouth College, Department of Physics and Astronomy, Hanover, NH, United States