The spatial extent of agriculturally-induced topsoil removal in the Midwestern United States
Evan Thaler, University of Massachusetts Amherst, Department of Geosciences, Amherst, MA, United States, Isaac J Larsen, University of Massachusetts Amherst, Department of Earth, Geographic, and Climate Sciences, Amherst, MA, United States, Qian Yu, Univ. of Massachusetts-Amherst, Department of Earth, Geographic, and Climate Sciences, Amherst, United States and Marco Keiluweit, University of Massachusetts-Amherst, Amherst, MA, United States
