Need for Improved Monitoring of Spatial and Temporal Trends of Reduced Nitrogen

Affiliations

• ¹ U.S. Environmental Protection Agency, Office of Air and Radiation, Washington, DC.
• ² U.S. Environmental Protection Agency, Office of Research and Development, Durham, NC.
• ³ Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ.
• ⁴ Department of Atmospheric Science, Colorado State University, Fort Collins, CO.
• ⁵ Department of Agronomy, Purdue University, West Lafayette, IN.
• ⁶ National Park Service, Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO.
• ⁷ Wood Environment & Infrastructure Solutions, Inc., Newberry, FL.
• ⁸ U.S. Department of Agriculture, Agricultural Research Service, Kimberly, ID.
• ⁹ U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Durham, NC.
• ¹⁰ National Park Service, Air Resources Division, Lakewood, CO.
• ¹¹ Wisconsin State Laboratory of Hygiene, University of Wisconsin-Madison, Madison, WI.