{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Julieta M Gomez-Fragoso", "hasEmail": "mailto:jgomez-fragoso@usgs.gov"}, "description": "This Child Item contains the scripts for running water quality trends analysis for selected streams throughout Puerto Rico, Water Years 1958\u20132022 and  a README file (readme_scripts.txt) that describes the structure of the attached folder titled Scripts.zip. \nScripts.zip \u2013 contains the following R scripts:\nData_retrieval_screening.R - script used to generate the input file that would be used in the trend analysis. \nTrend_analysis_script_POR.R - script for running trend analysis over the full length of record. \nMK_script_identicalPOR.R - script for running trend analysis for two time periods.", "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.65b0fbecd34ef34c35075790.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_65b0fbecd34ef34c35075790", "keyword": ["Ammonia", "Cadmium", "Caribbean Islands", "Chromium", "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:65b0fbecd34ef34c35075790", "biota"], "modified": "2026-03-30T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-67.3242, 17.7801, -65.1874, 18.6827", "theme": ["geospatial"], "title": "Scripts for Running Water Quality Trends Analysis for Selected Streams throughout Puerto Rico, Water Years 1958 - 2022"}