My current research involves developing computational models of the Earth’s surface chemical evolution, synthesizing several fields of Earth science including geology, geochemistry, atmospheric chemistry, biology, and physics.
The work I have done for my doctoral dissertation included developing a new biogeochemical model of Earth’s longterm surface evolution, called EONS (Earth oxygenation and natural systematics). A paper comprehensively detailing the components and a nominal run of EONS is currently (as of November 2023) under review in the journal Geochemistry, Geophysics, Geosystems. I am currently working on using my model to better understand the relationship between climate sensitivity, oxygenation, and Paleoproterozoic Snowball Earth glaciations. EONS is hosted on GitHub
More generally, I am interested in the chemical evolution of the Earth’s mantle and surface, the connections between climate and tectonic cycling, and the impacts of biology on the atmospheric chemistry of planets.
© 2023 Julia E. Horne
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Julia E. Horne 