Understanding the Pliocene-Pleistocene Transition in the Southwestern US Through a New, Novel Proxy: Paleosol Nitrate Δ<sup>17</sup>O

Buntin, Chris

Understanding the Pliocene-Pleistocene Transition in the Southwestern US Through a New, Novel Proxy: Paleosol Nitrate Δ¹⁷O

Chris Buntin, Purdue University, Chemistry, West Lafayette, IN, United States and Greg Michalski, Purdue University, Earth, Atmospheric & Planetary Sciences, West Lafayette, IN, United States

Understanding the Pliocene-Pleistocene Transition in the Southwestern US Through a New, Novel Proxy: Paleosol Nitrate Δ17O

Understanding the Pliocene-Pleistocene Transition in the Southwestern US Through a New, Novel Proxy: Paleosol Nitrate Δ¹⁷O