{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Central Plains Water Science Center", "hasEmail": "mailto:dc_ne@usgs.gov"}, "description": "The U.S. Geological Survey (USGS), in cooperation with the Nebraska Department of Transportation, initiated a flow-frequency study for the Elkhorn River basin in Nebraska for flow data for water years 1881-2022. Estimates of the magnitudes of peak flow were determined using the USGS PeakFQ flood-frequency program, version 7.5.1 at the 50, 20, 10, 4, 2, 1, 0.5, and 0.2 percent chance annual exceedance probabilities (otherwise known as the 2-, 5-, 10-, 25-, 50-, 100-, 200-, and 500-year floods, respectively). Low-flow frequency magnitude estimates were computed using the U.S. Geological Survey Hydrologic Toolbox version 1.0.0 for the 1-day, 7 day, and 30 day time series at the 2, 5, 10, 20, 50 year recurrence intervals.\nThis data release contains data supporting the larger work: (1) PeakFQ inputs and selected outputs for streamgages in the Elkhorn River basin in Nebraska; (2) appendices from the larger work.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9SLKHD1", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.64c432abd34e70357a33d5b9.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_64c432abd34e70357a33d5b9", "keyword": ["Antelope", "Cuming", "Dodge", "Douglas", "Holt", "Lower Elkhorn", "Madison", "Nebraska", "North America", "Sarpy", "Stanton", "TMDL", "USGS:64c432abd34e70357a33d5b9", "United States", "Upper Elkhorn", "Washington", "environment", "floods", "geoscientificInformation", "hazard preparedness", "hydraulic engineering", "hydrology", "inlandWaters", "statistical analysis", "streamflow", "time series analysis", "time series datasets", "water resource management", "watershed management"], "modified": "2026-06-02T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-99.7371, 41.1219, -96.2437, 42.6476", "theme": ["geospatial"], "title": "Data in support of flow frequency report--Magnitude and Frequency of Peak and Low Flows in the Elkhorn River Basin, Nebraska, 1881-2022"}