Ben Johnson

Iowa State University

I am an assistant professor at Iowa State University. I work on the interactions between the geosphere, biosphere, and atmosphere over Earth History, and how these interactions support long term habitability. I am currently interested in the oxygen isotope history of seawater, biogeochemistry during Precambrian glacial periods, and how the evolution of the terrestrial nitrogen cycle. Please check out my website or my Twitter (@GeologistBen) to learn more!

Workshop Participant