{
  "accessLevel": "public",
  "bureauCode": [
    "010:12"
  ],
  "contactPoint": {
    "@type": "vcard:Contact",
    "fn": "Anna-Turi Maher",
    "hasEmail": "mailto:annamaher@usgs.gov"
  },
  "description": "Base flow, the groundwater contribution to streamflow, is beneficial data for analysis of groundwater-flow systems. This data release includes base-flow estimates and streamflow data for 471 Oregon streamgage sites. Categories of data include: (1) site information, (2) water year estimates of base flow and streamflow, and (3) daily estimates of base flow. Water-year base-flow estimates are considered most reliable; daily estimates are provided for completion and summarization purposes only. Daily discharge (streamflow) data from water years 1980–2023 were obtained from the United States Geological Survey (USGS; https://waterdata.usgs.gov) and the Oregon Water Resources Department (OWRD; https://apps.wrd.state.or.us/apps/sw/hydro_report/) online databases and used to estimate base flow using three methods: low-flow, graphical hydrograph separation (GHS), and chemical hydrograph separation (CHS). Specific conductance (SC) data from continuous SC monitoring at streamgages were obtained from the USGS database and used for CHS base-flow analysis at 15 sites. Data are in .csv file and .txt file format.",
  "distribution": [
    {
      "@type": "dcat:Distribution",
      "accessURL": "https://doi.org/10.5066/P17DGTTB",
      "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.682fa1e5d4be027fab6e2d8b.xml",
      "format": "XML",
      "mediaType": "text/xml",
      "title": "Original Metadata"
    }
  ],
  "identifier": "http://datainventory.doi.gov/id/dataset/USGS_682fa1e5d4be027fab6e2d8b",
  "keyword": [
    "Deschutes River Basin",
    "Goose and Summer Lakes Basin",
    "Grand Ronde River Basin",
    "Hood River Basin",
    "John Day River Basin",
    "Klamath River Basin",
    "Malheur Lake (Harney) Basin",
    "Malheur River Basin",
    "Mid-Coast Basin",
    "North Coast Basin",
    "Oregon",
    "Owyhee River Basin",
    "Powder River Basin",
    "Rogue River Basin",
    "Sandy River Basin",
    "South Coast Basin",
    "USGS:682fa1e5d4be027fab6e2d8b",
    "Umatilla River Basin",
    "Umpqua River Basin",
    "Willamette River Basin",
    "base flow",
    "environment",
    "groundwater flow",
    "hydrographic datasets",
    "hydrology",
    "inlandWaters",
    "stream discharge"
  ],
  "modified": "2025-08-01T00:00:00Z",
  "publisher": {
    "@type": "org:Organization",
    "name": "U.S. Geological Survey"
  },
  "spatial": "-124.5500, 41.9800, -116.4600, 46.2700",
  "theme": [
    "geospatial"
  ],
  "title": "Statewide base-flow estimates for Oregon, water years 1980–2023"
}