The influence of hillslope-derived blocks on erosion rate-channel steepness scaling: Emergence of variable threshold behavior

Charles Shobe, University of Colorado at Boulder, Department of Geological Sciences, Boulder, CO, United States; Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, Gregory E Tucker, Cooperative Institute for Research in Environmental Sciences, Boulder, United States and Matthew Rossi, University of Colorado at Boulder, Earth Lab and CIRES, Boulder, United States