A Continental-scale Deep Learning Model for Total Phosphorus Reveals Progress Toward Water Quality Goals over the Past 40 Years in the United States

Wei Zhi1, Chaopeng Shen1, Elizabeth W Boyer2, Gary Shenk3, Xiaofeng Liu1 and Li Li4, (1)Pennsylvania State University Main Campus, Department of Civil and Environmental Engineering, University Park, United States, (2)Penn State University, Department of Ecosystem Science & Management, University Park, United States, (3)USGS, Chesapeake Bay Program, Annapolis, MD, United States, (4)Pennsylvania State University Main Campus, Department of Civil and Environmental Engineering, University Park, PA, United States