{"accessLevel": "public", "bureauCode": ["020:00"], "contactPoint": {"fn": "Robert Sabo", "hasEmail": "mailto:sabo.robert@epa.gov"}, "description": "This dataset provides time series of tree ring N isotopes for individual trees and corresponding time series of temperature, precipitation, atmospheric N deposition, atmospheric S deposition, and disturbance in two temperate forests located in the eastern United States. \n\nThis dataset is associated with the following publication:\nSabo, R., A. Elmore, D. Nelson, C. Clark, T. Fisher, and K. Eshleman. Positive correlation between wood \u03b4 15N and stream nitrate concentrations in two temperate deciduous forests.   Environmental Research Communications. IOP Publishing, PHILADELPHIA, PA, USA, 2(2): 1-17, (2020).", "distribution": [{"downloadURL": "https://pasteur.epa.gov/uploads/10.23719/1503707/science_hub.xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "science_hub.xlsx"}], "identifier": "https://doi.org/10.23719/1503707", "keyword": ["nitrogen", "tree rings", "stream", "nitrate", "acid deposition", "oligotrophication", "forest"], "license": "https://pasteur.epa.gov/license/sciencehub-license.html", "modified": "2019-04-15", "programCode": ["020:000"], "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/10.1088/2515-7620/ab77f8"], "rights": null, "title": "Positive correlation between wood \u03b415N and stream nitrate in two temperate deciduous forests "}