{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "PCMSC Science Data Coordinator", "hasEmail": "mailto:pcmsc_data@usgs.gov"}, "description": "Geochemical analysis of coastal springs and possible source waters were conducted in the National Park Service's National Park of American Samoa (NPS-NPSA) Ofu Island unit. Water samples were analyzed for dissolved nutrients, nitrate isotopes (delta-18-O and delta-15-N). Algae samples were collected and analyzed for delta-15-N and delta-13-C values.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1DVZPUV", "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.67cf4de3d34ecfe34cc86a5b.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_67cf4de3d34ecfe34cc86a5b", "keyword": ["CMHRP", "Coastal and Marine Hazards and Resources Program", "Fattuana", "Ofu Island", "PCMSC", "Pacific Coastal and Marine Science Center", "Pacific Ocean", "Papaloloa", "Territory of American Samoa", "U.S. Geological Survey", "USGS", "USGS:67cf4de3d34ecfe34cc86a5b", "Water-Quality Parameters", "chemical analysis", "coral reefs", "environment", "geochemistry", "geoscientificInformation", "light stable isotope analysis", "nutrients", "oceans"], "modified": "2025-07-17T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-169.6767950, -14.1715070, -169.6216050, -14.1850000", "theme": ["geospatial"], "title": "Water and algal chemistry measurements collected from the National Park Service's National Park of American Samoa (NPS-NPSA) Ofu Island unit"}