Non-thermal escape of the Martian CO${}_2$ atmosphere over time: constrained by Ar isotopes

H. Lichtenegger, S. Dyadechkin, M. Scherf +5

The ion escape of Mars' CO${}_2$ atmosphere caused by its dissociation products C and O atoms is {simulated} from present time to $\sim 4.1$ billion years ago (Ga) by {numerical mode…