Current Research and Scholarly Interests


Exploring how systems of erosion and incision on the Colorado Plateau on the 100 ka to 1 Ma time scale. I utilize cosmogenic radionuclide dating, UAV surveys, and conceptual models to define processes, rates, and timings of erosion in arid landscapes.

All Publications


  • Earth's topographic relief potentially limited by an upper bound on channel steepness NATURE GEOSCIENCE Hilley, G. E., Porder, S., Aron, F., Baden, C. W., Johnstone, S. A., Liu, F., Sare, R., Steelquist, A., Young, H. H. 2019; 12 (10): 828-+