Local Electron Density Depletions on the Martian Upper Ionosphere Obtained from MARSIS: Comparison with ASPERA-3 and the Connection with Crustal Magnetic Fields

Firdevs Duru1, Rudy A Frahm2, Timothy Caplice3, Daniel Hughes4 and Jonathan Pierce4, (1)Coe College, Department of Physics, Cedar Rapids, IA, United States, (2)Southwest Research Inst, San Antonio, TX, United States, (3)University of Florida, Ft Walton Beach, United States, (4)Coe College, Cedar Rapids, United States