Where is the bottom of the critical zone? Evidence for deep, stacked critical zones from airborne EM and hydrological models in Reynolds Creek CZO

Steve Holbrook, Virginia Tech, Blacksburg, VA, United States, Ivan Rabak, Virginia Polytechnic Institute and State University, Dept of Geosciences, Blacksburg, United States, Laura E Condon, University of Arizona, Hydrology and Atmospheric Sciences, Tucson, AZ, United States and Mark S Seyfried, USDA-ARS, Northwest Watershed Research Center, Boise, ID, United States