{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "James R. Irons", "hasEmail": "mailto:james.r.irons@nasa.gov"}, "describedBy": "http://landsat.gsfc.nasa.gov/?page_id=2376", "description": "Landsat represents the world's longest continuously acquired collection of space-based moderate-resolution land remote sensing data. Four decades of imagery provides a unique resource for those who work in agriculture, geology, forestry, regional planning, education, mapping, and global change research. Landsat images are also invaluable for emergency response and disaster relief.", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "http://landsatlook.usgs.gov/", "format": "HTML", "mediaType": "text/html"}], "identifier": "NASA-0000068", "issued": "2018-06-25", "keyword": ["earth-science", "landsat"], "modified": "2025-07-14", "programCode": ["026:014"], "publisher": {"@type": "org:Organization", "name": "National Aeronautics and Space Administration"}, "references": ["http://landsat.gsfc.nasa.gov/?page_id=2367", "http://landsat.gsfc.nasa.gov/?page_id=2372"], "theme": ["Space Science"], "title": "Landsat 7 Data Sets"}