Strong depletion of ${}^{13}$C in CO induced by photolysis of CO${}_2$ in the Martian atmosphere calculated by a photochemical model

Tatsuya Yoshida, Shohei Aoki, Yuichiro Ueno +7

The isotopic signature of atmospheric carbon offers a unique tracer for the history of the Martian atmosphere and the origin of organic matter on Mars. Photolysis of CO${}_2$ is kn…