{"accessLevel": "public", "bureauCode": ["020:00"], "contactPoint": {"fn": "Havala Pye", "hasEmail": "mailto:pye.havala@epa.gov"}, "description": "The dataset contains links to publicly available CMAQ code, CMAQ-ready inputs, model simulation results, and observations for the nitrogen isotopes in nitrate. Please see the work of Kim et al. for more information on this data.\n\nThis data supports: \nKim, H., Walters, W. W., Pye, H. O. T., Foley, K. M., and Hastings, M. G., Isotopic Evidence for Changes in U.S. Energy Fuels and Impact on Particulate Nitrate, Environ. Sci. Technol., https://doi.org/10.1021/acs.est.6c00539, 2026.", "distribution": [{"accessURL": "https://doi.org/10.15139/S3/F2KJSK", "title": "https://doi.org/10.15139/S3/F2KJSK"}, {"accessURL": "https://doi.org/10.5281/zenodo.17274377", "title": "https://doi.org/10.5281/zenodo.17274377"}, {"accessURL": "https://doi.org/10.5281/zenodo.7218076", "title": "https://doi.org/10.5281/zenodo.7218076"}, {"accessURL": "https://github.com/USEPA/CMAQ", "title": "https://github.com/USEPA/CMAQ"}], "identifier": "https://doi.org/10.23719/1532530", "keyword": ["CMAQ", "NOx", "combustion", "nitrate", "nitrogen", "stable isotopes"], "license": "https://pasteur.epa.gov/license/sciencehub-license.html", "modified": "2026-01-22", "programCode": ["020:000"], "publisher": {"name": "U.S. Environmental Protection Agency", "subOrganizationOf": {"name": "U.S. Government"}}, "references": null, "rights": null, "title": "Data for: Isotopic evidence of changes in U.S. energy fuels and implications for particulate nitrate (v1)"}