@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.amerigeoss.org/dataset/12afac09-a65d-4761-819b-4e397f611290> a dcat:Dataset ;
    dct:description """This child page contains a zipped folder which contains all files necessary to run trend models and produce results published in U.S. Geological Scientific Investigations Report 2020–5079 [Nustad, R.A., and Vecchia, A.V., 2020, Water-quality trends for selected sites and constituents in the international Red River of the North Basin, Minnesota and North Dakota, United States, and Manitoba, Canada, 1970–2017: U.S. Geological Survey Scientific Investigations Report 2020–5079, 75 p., https://doi.org/10.3133/sir20205079]. The folder contains: six files required to run the R–QWTREND trend analysis tool; a readme.txt file; an alldata.RData file; a siteinfo_appendix.txt: and a folder called "scripts". R–QWTREND is a software package for analyzing trends in stream-water quality. The package is a collection of functions written in R (R Development Core Team, 2019), an open source language and a general environment for statistical computing and graphics. 
The following system requirements are necessary for using R–QWTREND: 
• Windows 10 operating system 
• R (version 3.4 or later; 64 bit recommended) 
• RStudio (version 1.1.456 or later). 
An accompanying report (Vecchia and Nustad, 2020) serves as the formal documentation for R–QWTREND. Vecchia, A.V., and Nustad, R.A., 2020, Time-series model, statistical methods, and software documentation for R–QWTREND—An R package for analyzing trends in stream-water quality: U.S. Geological Survey Open-File Report 2020–1014, 51 p., https://doi.org/10.3133/ofr20201014  
R Development Core Team, 2019, R—A language and environment for statistical computing: Vienna, Austria, R Foundation for Statistical Computing, accessed June 12, 2019, at https://www.r-project.org.""" ;
    dct:identifier <http://datainventory.doi.gov/id/dataset/usgs-5f1a5d2782cef313ed87a5b4> ;
    dct:issued "2025-09-23T22:30:06.431435"^^xsd:dateTime ;
    dct:modified "2020-08-18T00:00:00+00:00"^^xsd:dateTime ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-99.0000 45.3055, -99.0000 50.2000, -95.0000 50.2000, -95.0000 45.3055, -99.0000 45.3055))"^^gsp:wktLiteral ] ;
    dct:title "Scripts to run R-QWTREND models and produce results." ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Rochelle A Nustad" ;
            vcard:hasEmail <mailto:ranustad@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/12afac09-a65d-4761-819b-4e397f611290/resource/1f81f6de-c8d5-40c4-bfe3-8035a7eeeb01>,
        <https://data.amerigeoss.org/dataset/12afac09-a65d-4761-819b-4e397f611290/resource/9c93d6da-5ec2-49d1-8c9a-9a4e4d940977> ;
    dcat:keyword "AmeriGEO",
        "AmeriGEOSS",
        "CKAN",
        "GEO",
        "GEOSS",
        "National",
        "North America",
        "United States",
        "datasets",
        "manitoba",
        "minnesota",
        "north-dakota",
        "red-river-of-the-north",
        "stream-discharge",
        "streamflow",
        "usgs-5f1a5d2782cef313ed87a5b4" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/12afac09-a65d-4761-819b-4e397f611290/resource/1f81f6de-c8d5-40c4-bfe3-8035a7eeeb01> a dcat:Distribution ;
    dct:description "The metadata original format" ;
    dct:format "XML" ;
    dct:issued "2025-09-16T12:24:07.588396"^^xsd:dateTime ;
    dct:modified "2025-09-23T22:30:06.413766"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.5f1a5d2782cef313ed87a5b4.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/12afac09-a65d-4761-819b-4e397f611290/resource/9c93d6da-5ec2-49d1-8c9a-9a4e4d940977> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2025-09-13T21:13:51.348198"^^xsd:dateTime ;
    dct:modified "2025-09-23T22:30:06.414612"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <https://doi.org/10.5066/P9C9JAMY> ;
    dcat:mediaType "application/http" .

<https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> a foaf:Agent ;
    foaf:name "United States" .