Seasonal Variation of Mars Methane Background Indicates that Gale Crater May Be a Containment Region for Local Microseepage
Christopher R Webster, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Paul R Mahaffy, NASA Goddard Space Flight Center, Planetary Environments Laboratory, Greenbelt, United States, Sushil K Atreya, University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, United States, John E Moores, York University, Toronto, ON, Canada, Jorge Pla-García, Centro de Astrobiología (CSIC-INTA), Madrid, Spain; Space Science Institute Boulder, Boulder, United States and Scot CR Rafkin, Southwest Research Institute Boulder, Boulder, CO, United States
