@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix org: <http://www.w3.org/ns/org#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.nasa.gov/dataset/4f8a3cbd-222f-4252-bfb0-a60745521c7e> a dcat:Dataset ;
    dct:description "As part of the SMAPVEX19-22 campaign, an L-band radiometer was deployed on top of a tower at Harvard Forest,Massachusetts, looking down at a stand of red oak forest. The radiometer collected data in V-polarization from late April to mid October 2019. Over 4 days in early July 2019, the water potential and L-band complex dielectric constant of canopy leaves were measured at various times of day. Other instruments were installed within the radiometer's field of view to measure soil moisture and temperature, air temperature, tree xylem apparent dielectric permittivity at 70 MHz, tree xylem water potential, and canopy wetness. The goal of this experiment was to study the sensitivity of L-band vegetation optical depth (VOD) to changing vegetation water potential over a growing season." ;
    dct:identifier "C3286117088-NSIDC_CPRD" ;
    dct:issued "2019-04-28"^^xsd:date ;
    dct:language "{en-US}" ;
    dct:modified "2019-10-17"^^xsd:date ;
    dct:publisher <https://data.nasa.gov/organization/dbb294e4-8597-44f5-aaf4-c0baac12cdbc> ;
    dct:spatial [ a dct:Location ] ;
    dct:title "SMAPVEX19-22 Massachusetts Vegetation Optical Depth V001" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "NSIDC Services" ;
            vcard:hasEmail <mailto:nsidc@nsidc.org> ] ;
    dcat:distribution <https://data.nasa.gov/dataset/4f8a3cbd-222f-4252-bfb0-a60745521c7e/resource/437b20d1-29fe-479f-8027-93e38812b6a8>,
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    dcat:keyword "atmosphere",
        "atmospheric-temperature",
        "biosphere",
        "earth-science",
        "land-surface",
        "microwave",
        "soils",
        "spectral-engineering",
        "vegetation" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.nasa.gov/dataset/4f8a3cbd-222f-4252-bfb0-a60745521c7e/resource/437b20d1-29fe-479f-8027-93e38812b6a8> a dcat:Distribution ;
    dct:description "Direct download via HTTPS protocol." ;
    dct:format "HTML" ;
    dct:identifier "437b20d1-29fe-479f-8027-93e38812b6a8" ;
    dct:issued "2025-03-31T17:30:10.301210"^^xsd:dateTime ;
    dct:modified "2025-03-31T17:30:10.262978"^^xsd:dateTime ;
    dct:title "Download this dataset" ;
    dcat:accessURL <https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3286117088-NSIDC_CPRD> ;
    dcat:mediaType "text/html" .

<https://data.nasa.gov/dataset/4f8a3cbd-222f-4252-bfb0-a60745521c7e/resource/5fed217a-ec93-4ab8-8692-6304240677ce> a dcat:Distribution ;
    dct:description "Includes a user's guide, supplemental documents like ATBDs and academic papers, How Tos, FAQs, etc." ;
    dct:format "HTML" ;
    dct:identifier "5fed217a-ec93-4ab8-8692-6304240677ce" ;
    dct:issued "2025-03-31T17:30:10.301213"^^xsd:dateTime ;
    dct:modified "2025-03-31T17:30:10.263189"^^xsd:dateTime ;
    dct:title "View documentation related to this dataset" ;
    dcat:accessURL <https://doi.org/10.5067/2PZJDURUJLWF> ;
    dcat:mediaType "text/html" .

<https://data.nasa.gov/dataset/4f8a3cbd-222f-4252-bfb0-a60745521c7e/resource/e1256d42-da31-4a53-b1f0-b26b274c3d90> a dcat:Distribution ;
    dct:description "Provides access to data, documentation, tools, citation information, support, and other resources." ;
    dct:format "HTML" ;
    dct:identifier "e1256d42-da31-4a53-b1f0-b26b274c3d90" ;
    dct:issued "2025-03-31T17:30:10.301211"^^xsd:dateTime ;
    dct:modified "2025-03-31T17:30:10.263087"^^xsd:dateTime ;
    dct:title "This dataset's landing page" ;
    dcat:accessURL <https://doi.org/10.5067/2PZJDURUJLWF> ;
    dcat:mediaType "text/html" .

<https://data.nasa.gov/dataset/4f8a3cbd-222f-4252-bfb0-a60745521c7e/resource/f106ffcc-03b7-4fbd-b626-c9e8a3e379e6> a dcat:Distribution ;
    dct:description "NASA's newest search and order tool for subsetting, reprojecting, and reformatting data." ;
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    dct:identifier "f106ffcc-03b7-4fbd-b626-c9e8a3e379e6" ;
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    dct:modified "2025-03-31T17:30:10.262852"^^xsd:dateTime ;
    dct:title "Download this dataset through Earthdata Search" ;
    dcat:accessURL <https://search.earthdata.nasa.gov/search?q=SV19MA_VOD+V001> ;
    dcat:mediaType "text/html" .

<https://data.nasa.gov/dataset/4f8a3cbd-222f-4252-bfb0-a60745521c7e/resource/fb10c178-45d8-49e1-a1de-ffe0e9c129f9> a dcat:Distribution ;
    dct:description "Search results for publications that cite this dataset by its DOI." ;
    dct:format "HTML" ;
    dct:identifier "fb10c178-45d8-49e1-a1de-ffe0e9c129f9" ;
    dct:issued "2025-03-31T17:30:10.301205"^^xsd:dateTime ;
    dct:modified "2025-03-31T17:30:10.262718"^^xsd:dateTime ;
    dct:title "Google Scholar search results" ;
    dcat:accessURL <https://scholar.google.com/scholar?q=10.5067%2F2PZJDURUJLWF> ;
    dcat:mediaType "text/html" .

<https://data.nasa.gov/organization/dbb294e4-8597-44f5-aaf4-c0baac12cdbc> a org:Organization ;
    skos:prefLabel "NASA" ;
    foaf:name "NASA" .