TY - RPRT TI - How do Hydrological Variability and Human Activities Control the Spatiotemporal Changes of Riverine Nitrogen Export in the Upper Mississippi River Basin? AU - Zhao, Qianyu [University of Illinois Urbana−Champaign, IL (United States)] (ORCID:0000000342564843) AU - Peng, Bin [University of Illinois Urbana−Champaign, IL (United States)] AU - Ma, Zewei [University of Illinois Urbana−Champaign, IL (United States)] AU - Jia, Mengqi [University of Illinois Urbana−Champaign, IL (United States)] (ORCID:0000000328244747) AU - McIsaac, Gregory F. [University of Illinois Urbana−Champaign, IL (United States)] AU - Robertson, Dale M. [U.S. Geological Survey, Madison, WI (United States)] AU - Saad, David A. [U.S. Geological Survey, Madison, WI (United States)] AU - Warner, Richard E. [University of Illinois Urbana−Champaign, IL (United States); National Great Rivers Research and Education Center, East Alton, IL (United States)] AU - Wu, Xiaocui [University of Illinois Urbana−Champaign, IL (United States)] AU - Zhou, Qu [University of Illinois Urbana−Champaign, IL (United States)] AU - Guan, Kaiyu [University of Illinois Urbana−Champaign, IL (United States)] PY - 2025 DO - 10.1021/acs.est.5c06476 UR - https://www.osti.gov/biblio/3412948 ID - 3412948 ER -