Patterns and Drivers of Riverine Nitrate Concentrations in the Contiguous United States

Kayalvizhi Sadayappan1, Devon Kerins1, Chaopeng Shen2 and Li Li1, (1)Pennsylvania State University Main Campus, Department of Civil and Environmental Engineering, University Park, PA, United States, (2)Pennsylvania State University Main Campus, Department of Civil and Environmental Engineering, University Park, United States