{"accessLevel": "public", "bureauCode": ["020:00"], "contactPoint": {"fn": "Christopher Clark", "hasEmail": "mailto:clark.christopher@epa.gov"}, "description": "The effectiveness of management actions in reducing the release of excess nitrogen (N) to the environment is best assessed if N fluxes across air, land and water are regularly quantified at relevant scales.  This dataset contains comprehensive 2002, 2007, and 2012 inventories of inputs and non-hydrologic N losses along with fossil fuel emissions, food demand, and terrestrial N surpluses for all HUC-8 subbasins of the contiguous United States using peer-reviewed, publicly available datasets. ", "distribution": [{"downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1418976/National_Nitrogen_Inventory.xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "National_Nitrogen_Inventory.xlsx"}], "identifier": "https://doi.org/10.23719/1418976", "keyword": ["nitrogen", "atmospheric deposition", "fertilizer", "water quality", "national ambient air quality standards", "Wildfires", "crop agriculture", "nitrogen deposition"], "license": "https://pasteur.epa.gov/license/sciencehub-license.html", "modified": "2018-05-01", "programCode": ["020:097"], "publisher": {"name": "U.S. EPA Office of Research and Development (ORD)", "subOrganizationOf": {"name": "U.S. Environmental Protection Agency", "subOrganizationOf": {"name": "U.S. Government"}}}, "references": null, "rights": null, "title": "National Inventory of Reactive Nitrogen"}