Importance of Ambipolar Electric Field in the Ion Loss from Mars- Results from a Multi-fluid MHD Model with the Electron Pressure Equation Included

Yingjuan Ma1, Chuanfei Dong2, Bart van der Holst3, Andrew F Nagy4, Stephen W Bougher5, Gabor Toth3, Thomas Cravens6, Roger V Yelle7 and Bruce M Jakosky8, (1)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, (2)Boston University, Boston, MA, United States, (3)University of Michigan, Climate and Space Sciences and Engineering, Ann Arbor, United States, (4)University of Michigan, Ann Arbor, MI, United States, (5)Climate and Space Sciences and Engineering, Ann Arbor, United States, (6)University of Kansas, Physics and Astronomy, Lawrence, United States, (7)University of Arizona, Lunar and Planetary Laboratory, Tucson, United States, (8)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States