{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Yanire Martinez", "hasEmail": "mailto:yamart@usgs.gov"}, "description": "The input data package included in this data release contains a total of four (4) datasets. These datasets contain a list of the water quality constituents that were included in the trend analysis as well as historical data used to analyze trends in each of the water quality constituents for selected streams throughout Puerto Rico. This data release also includes the dataset that was not used for analysis during the preparation of data to ensure the data were adequate for the trend analysis. The water quality data was retrieved from the Water Quality Portal (www.waterqualitydata.us), and includes water-quality data for nutrients, physical parameters, major ions, metals, and streamflow data. The period of record for each site and each water quality constituent varies and includes data collected between water years 1958 and 2022. \nReferences Cited:\nNational Water Quality Monitoring Council, Water Quality Portal (WQP), https://www.waterqualitydata.us/. Accessed 2023-10-19.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P13YAAPN", "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.6644d835d34e1955f5a429b8.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_6644d835d34e1955f5a429b8", "keyword": ["Ammonia", "Cadmium", "Caribbean Islands", "Copper", "Dissolved oxygen", "Inorganic nitrogen (nitrate and nitrite)", "Lead", "Magnesium", "Major ions", "Mann-Kendall Trend test", "Nitrite", "Phosphorus", "Puerto Rico", "Seasonal Kendall Trend test", "Selenium", "Specific conductance", "Stream flow, instantaneous", "Temperature, water", "Total nitrogen", "USGS:6644d835d34e1955f5a429b8", "Zinc", "environment"], "modified": "2026-03-30T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-67.2600, 17.9212, -65.2533, 18.5100", "theme": ["geospatial"], "title": "Input Data Used for the Water Quality Trends Analysis for Selected Streams Throughout Puerto Rico, Water Years 1958 - 2022"}