The D/H Ratio and Implications for Escape of Water from the Upper Atmosphere of Mars

John T Clarke, Boston University, Boston, MA, United States, Majd Mayyasi, Boston University, Center for Space Physics, Boston, MA, United States, Dolon Bhattacharyya, University of Illinois at Urbana-Champaign, Electrical and Computer Engineering, Urbana, IL, United States, Jean-Yves Chaufray, LATMOS/IPSL, UVSQ Université Paris-Saclay, Sorbonne Université, Guyancourt, France, Bruce Martin Jakosky, University of Colorado Boulder, Boulder, CO, UNITED STATES, Nicholas McCord Schneider, Univ Colorado, Boulder, United States, Roger V Yelle, University of Arizona, Lunar and Planetary Laboratory, Tucson, AZ, United States and MAVEN IUVS Team