Controls on the slope and relief of headwater channels in steep landscapes: Field constraints from the San Gabriel and San Jacinto Mountains, CA

Alexander Neely, Arizona Geological Survey, Tucson, AZ, United States, Roman A DiBiase, Pennsylvania State University Main Campus, Department of Geosciences, University Park, United States, Lee B Corbett, University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, United States and Paul R Bierman, University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, VT, United States