Ionospheric Variability on Mars           

Another of our research interests is the role that solar disturbances may have in causing variability in the ionosphere of Mars. Mars has a much weaker magnetic field than the Earth's, therefore solar disturbances may contribute significantly to variability in electron density on Mars, especially above 150 km. The current Mars Global Surveyor (MGS) mission has provided a huge database of electron density height profiles of the Martian ionosphere. Here's an example:

 


Here are 7 profiles of the Martian ionosphere during 28 December 1998, obtained from measurements by the Radio science experiment aboatd the MGS. The inversion were derived by the Stanford University Radio Science Group.