@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/52ef1a34-7533-4ee5-ba99-66d32ff31472> a dcat:Dataset ;
    dct:description """The MYD09GA Version 6 data product was decommissioned on July 31, 2023. Users are encouraged to use the [MYD09GA Version 6.1](https://doi.org/10.5067/MODIS/MYD09GA.061) data product.

The MYD09GA Version 6 product provides an estimate of the surface spectral reflectance of Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Bands 1 through 7, corrected for atmospheric conditions such as gasses, aerosols, and Rayleigh scattering. Provided along with the 500 meter (m) surface reflectance, observation, and quality bands are a set of ten 1 km observation bands and geolocation flags. The reflectance layers from the MYD09GA are used as the source data for many of the MODIS land products. 

Known Issues
* The Collection 6 MODIS Land Surface Reflectance product (MYD09) may [incorrectly flag retrievals as ‘High Aerosol’](https://landweb.modaps.eosdis.nasa.gov/displayissue?id=174) over brighter surfaces and at higher view angles. This will impact the downstream MODIS BRDF/Albedo (MCD43) and Vegetation Index (MOD13 and MYD13) data products which use the aerosol quantity flag to screen out high aerosol values.
* [Corrections](https://landweb.modaps.eosdis.nasa.gov/data/userguide/LSRHighAerosolFlagFinal.pdf) were implemented in Collection 6.1 reprocessing.
* For complete information about known issues please refer to the [MODIS/VIIRS Land Quality Assessment website](https://landweb.modaps.eosdis.nasa.gov/knownissue?sensor=MODIS&sat=Aqua&as=6).""" ;
    dct:identifier "10.5067/MODIS/MYD09GA.006" ;
    dct:issued "2025-06-12T22:58:47.742799"^^xsd:dateTime ;
    dct:modified "2026-11-02T22:15:59+00:00"^^xsd:dateTime ;
    dct:publisher <https://data.nasa.gov/organization/dbb294e4-8597-44f5-aaf4-c0baac12cdbc> ;
    dct:spatial [ a dct:Location ] ;
    dct:title "MODIS/Aqua Surface Reflectance Daily L2G Global 1km and 500m SIN Grid V006" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Earthdata Forum" ;
            vcard:hasEmail <mailto:earthdata-support@nasa.gov> ] ;
    dcat:distribution <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/08c14ea2-ce41-4cbb-83e7-00288ec7bbe5>,
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        <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/528e7078-0042-479f-bad4-74a2ad976da6>,
        <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/7496c64b-f7c4-42bc-84da-08ba49841fcd>,
        <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/74e3d4cf-b529-4573-9148-12a5279755fd>,
        <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/84a29526-d362-4c4d-95ee-926ed2888ca0>,
        <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/93c72885-7a24-40da-8149-44ffb0902d8c>,
        <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/b39a32c8-ba4b-4b63-b486-10b10681b0dc>,
        <https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/bb34f21a-2621-4de7-9353-113e74f35e15> ;
    dcat:keyword "earth-science-surface-radiative-properties-land-surface-reflectance" ;
    dcat:theme <%7B%22Earth%20Science%22%7D> .

<https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/08c14ea2-ce41-4cbb-83e7-00288ec7bbe5> a dcat:Distribution ;
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    dct:modified "2026-08-11T00:40:18.956451"^^xsd:dateTime ;
    dcat:accessURL <https://modis-land.gsfc.nasa.gov/ValStatus.php?ProductID=MOD09> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/4e73623b-39a3-489e-ae16-d4010005d540> a dcat:Distribution ;
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    dct:title "Original Metadata" ;
    dcat:accessURL <https://cmr.earthdata.nasa.gov/search/concepts/C2763370201-LPCLOUD.iso19115> ;
    dcat:mediaType "text/xml" .

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    dcat:accessURL <https://doi.org/10.5067/MODIS/MYD09GA.006> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/7496c64b-f7c4-42bc-84da-08ba49841fcd> a dcat:Distribution ;
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    dcat:accessURL <https://modis-land.gsfc.nasa.gov/MODLAND_val.html> ;
    dcat:mediaType "text/html" .

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    dct:modified "2026-03-10T02:41:51.494261"^^xsd:dateTime ;
    dcat:accessURL <https://lpdaac.usgs.gov/documents/306/MOD09_User_Guide_V6.pdf> ;
    dcat:mediaType "application/pdf" .

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    dcat:accessURL <https://lpdaac.usgs.gov/documents/305/MOD09_ATBD.pdf> ;
    dcat:mediaType "application/pdf" .

<https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/b39a32c8-ba4b-4b63-b486-10b10681b0dc> a dcat:Distribution ;
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    dct:modified "2026-03-10T02:41:51.494391"^^xsd:dateTime ;
    dcat:accessURL <https://ladsweb.modaps.eosdis.nasa.gov/filespec/MODIS/6/MYD09GA> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/dataset/52ef1a34-7533-4ee5-ba99-66d32ff31472/resource/bb34f21a-2621-4de7-9353-113e74f35e15> a dcat:Distribution ;
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    dcat:accessURL <https://landweb.modaps.eosdis.nasa.gov> ;
    dcat:mediaType "application/octet-stream" .

<https://data.nasa.gov/organization/dbb294e4-8597-44f5-aaf4-c0baac12cdbc> a org:Organization ;
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