@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/c0988eff-200c-4669-9e43-316e396e942a> a dcat:Dataset ;
    dct:description "The Level-2 Electron Density Profiles data product contains F-region electron density as a function of altitude and latitude derived from the GUVI limb data. Summaries of estimated peak electron density and total electron content are also given as Level 3 products. The profiles are derived from the 135.6-nm channel of the GUVI limb data. The 135.6-nm emission at night is due almost exclusively to recombination of O+ ions. Since O+ is the primary ion in the F region, the 135.6-nm volume emission rate is closely related to the square of the electron density. Details of the procedure of producing the electron densities are given in: DeMajistre, R., L.J. Paxton, D. Morrison, J-H. Yee, L.P. Goncherenko and A.B. Christensen, Retrievals of nighttime electron density from Thermosphere Ionosphere Mesosphere and Dynamics (TIMED) mission Global Ultraviolet Imager (GUVI) Measurements, J. Geophys Res., 109, A05305, doi:10.1029/2003JA010296." ;
    dct:identifier <https://doi.org/10.48322/pzbn-gq12> ;
    dct:issued "2025-04-08T14:34:17.089425"^^xsd:dateTime ;
    dct:modified "2026-11-02T22:16:02+00:00"^^xsd:dateTime ;
    dct:publisher <https://data.nasa.gov/organization/dbb294e4-8597-44f5-aaf4-c0baac12cdbc> ;
    dct:title "TIMED GUVI L2B Electron Density Profiles" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "NASA Space Physics Data Facility" ;
            vcard:hasEmail <mailto:NASA-SPDF-Support@nasa.onmicrosoft.com> ] ;
    dcat:distribution <https://data.nasa.gov/dataset/c0988eff-200c-4669-9e43-316e396e942a/resource/14574950-2c6f-4845-b8d0-72e370e11c3d>,
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    dcat:keyword "guvi",
        "lower-thermosphere",
        "mlti",
        "profile",
        "timed" ;
    dcat:theme <%7BHeliophysics%7D> .

<https://data.nasa.gov/dataset/c0988eff-200c-4669-9e43-316e396e942a/resource/14574950-2c6f-4845-b8d0-72e370e11c3d> a dcat:Distribution ;
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    dct:modified "2026-08-10T20:00:55.838961"^^xsd:dateTime ;
    dcat:accessURL <http://guvitimed.jhuapl.edu/sites/default/files/data/documents/readme_GUVI_Version_13_Limb_Retrievals.pdf> ;
    dcat:mediaType "application/pdf" .

<https://data.nasa.gov/dataset/c0988eff-200c-4669-9e43-316e396e942a/resource/6dd03239-9925-4fdc-8f2b-ee75c1d7ec7c> a dcat:Distribution ;
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    dct:modified "2026-08-10T20:00:55.838750"^^xsd:dateTime ;
    dcat:accessURL <https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=TIMED_EDP_GUVI&index=sp_phys> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/dataset/c0988eff-200c-4669-9e43-316e396e942a/resource/73fc6db3-c9c0-4ed6-ab1a-22b4ad87b4e2> a dcat:Distribution ;
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    dcat:accessURL <https://cdaweb.gsfc.nasa.gov/hapi> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/dataset/c0988eff-200c-4669-9e43-316e396e942a/resource/780f8d7b-6f8c-47b0-9933-de66f8b066b6> a dcat:Distribution ;
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    dcat:accessURL <ftps://spdf.gsfc.nasa.gov/pub/data/timed/guvi/levels/level2b_e/edp/cdf/> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/dataset/c0988eff-200c-4669-9e43-316e396e942a/resource/9d8da99d-5654-4327-a3a6-538d4746fbf9> a dcat:Distribution ;
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    dct:modified "2026-08-10T20:00:55.838481"^^xsd:dateTime ;
    dcat:accessURL <http://guvitimed.jhuapl.edu/data_fetch_l2b_edp_netcdf> ;
    dcat:mediaType "application/octet-stream" .

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    dcat:accessURL <https://helio.data.nasa.gov/dataset/TIMED_GUVI_Electron_Density_Product> ;
    dcat:mediaType "application/octet-stream" .

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    dcat:accessURL <https://hpde.io/NASA/NumericalData/TIMED/GUVI/Electron_Density_Product> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/dataset/c0988eff-200c-4669-9e43-316e396e942a/resource/f8c2705e-a1c4-4038-9a16-7ffbf2f87158> a dcat:Distribution ;
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    dct:modified "2026-11-03T03:42:53.795471"^^xsd:dateTime ;
    dcat:accessURL <https://api.heliocloud.org/cloudcatalog?id=TIMED_EDP_GUVI> ;
    dcat:mediaType "application/octet-stream" .

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