{"accessLevel": "public", "bureauCode": ["020:00"], "contactPoint": {"fn": "Christopher Clark", "hasEmail": "mailto:clark.christopher@epa.gov"}, "describedBy": "https://pasteur.epa.gov/uploads/10.23719/1407569/documents/EPA_T017_data_dictionary_062317_CMC.xlsx", "describedByType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "description": "This data includes gridded estimates of: (1) decadally averaged total N and S deposition for the conterminous US from 1800-2025, (2) critical loads from the National Critical Loads Database, and (3) exceedances  of critical loads from atmospheric deposition of N and/or S. \n\nThis dataset is associated with the following publication:\nClark, C., J. Phelan, P. Doraiswamy, J. Buckley, J. Cajka, R. Dennis , J. Lynch, C. Nolte, and T. Spero. Atmospheric Deposition and Exceedances of Critical Loads from 1800-2025 for the Coterminous United States.   BULLETIN OF THE ECOLOGICAL SOCIETY OF AMERICA. Ecological Society of America, Ithaca, NY, USA,  978-1002, (2018).", "distribution": [{"downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1407569/T017_Data_for_EPA.zip", "mediaType": "application/x-zip-compressed", "title": "T017_Data_for_EPA.zip"}], "identifier": "https://doi.org/10.23719/1407569", "keyword": ["NAAQS", "acid rain", "aquatic ecosystems", "biodiversity", "critical loads", "nitrogen", "nitrogen deposition", "sulfur", "sulfur deposition", "terrestrial ecosystems"], "license": "https://pasteur.epa.gov/license/sciencehub-license.html", "modified": "2017-06-28", "programCode": ["020:094"], "publisher": {"name": "U.S. EPA Office of Research and Development (ORD)", "subOrganizationOf": {"name": "U.S. Environmental Protection Agency", "subOrganizationOf": {"name": "U.S. Government"}}}, "references": ["https://doi.org/10.1002/eap.1703"], "rights": null, "title": "Deposition, critical loads, and exceedances for 1800-2025"}