BP Blakley, Johns Hopkins University, Earth & Planetary Sciences, Baltimore, United States, Sarah M Horst, Johns Hopkins University, Baltimore, United States, Cara Pesciotta, Johns Hopkins University, Earth and Planetary Sciences, Baltimore, United States, Joshua Sebree, University of Northern Iowa, Department of Chemistry and Biochemistry, Cedar Falls, United States, Shannon MacKenzie, Johns Hopkins University Applied Physics Laboratory, Laurel, United States, Xinting Yu, University of Texas at San Antonio, San Antonio, United States, Michael J Radke, Johns Hopkins University, Baltimore, MD, United States and Madeline Apple, University of Northern Iowa, Chemistry, Cedar Falls, United States