@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 owl: <http://www.w3.org/2002/07/owl#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763> a dcat:Dataset ;
    dct:description """We mosaicked twelve LandSat-8 OLI satellite images taken during the summer of 2014, which were used in an object based image analysis (OBIA) to classify the landscape. We mapped seventeen of the most dominant geomorphic land cover classes on the Alaskan Coastal Plain (ACP):\r
\r
value, class name\r
\r
0 = No Data | \r
2 = Coalescent low-center polygons | \r
3 = Low-center polygons | \r
4 = Nonpatterned Drained Thaw Lake Basins | \r
7 = Drained slope | \r
8 = Flat-center polygons | \r
9 = High-center polygons | \r
10 = Sandy barrens | \r
11 = Sand dunes | \r
12 = Ice | \r
13 = Coastal saline waters | \r
16 = Rivers | \r
17 = Urban (i.e. towns and roads) | \r
18 = Riparian corridors | \r
20 = Ponds | \r
21 = Small lakes | \r
22 = Medium lakes | \r
23 = Large lakes\r
\r
### __Credits__\r
\r
This work was supported through the Next-Generation Ecosystem Experiments (NGEE-Arctic) project supported by the Office of Biological and Environmental Research in the U.S. Department of Energy Office of Science, and the Integrated Ecosystem Model for Alaska and Northwest Canada project supported by the USGS Alaska Climate Science Center and by the Arctic, Western, and Northwest Boreal Landscape Conservation Cooperatives\r
\r
Detailed information about the methods can be found in the [publication to which this dataset is a supplement](https://doi.org/10.1038/sdata.2018.58).\r
\r
###__Citation__\r
\r
__In order to use these data, you must cite this data set with the following citation:__\r
Lara, M. J. SNAP Data Portal https://doi.org/10.21429/C9JS8S (2017)""" ;
    dct:identifier "DOI:10.21429/C9JS8S" ;
    dct:issued "2020-04-29T08:22:59.564304"^^xsd:dateTime ;
    dct:modified "2025-02-24T10:56:11.958329"^^xsd:dateTime ;
    dct:publisher <https://apgc.awi.de/organization/38f906d1-fcfc-4d59-b8bd-9dce10e27bd5> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-138.0000 68.0000, -167.0000 68.0000, -167.0000 71.4500, -138.0000 71.4500, -138.0000 68.0000))"^^gsp:wktLiteral ] ;
    dct:title "Polygonal Tundra Geomorphology Map from Landsat time series, 2014, Alaskan Arctic Coastal Plain (US)" ;
    owl:versionInfo "2.0" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Lara, Mark J." ;
            vcard:hasEmail <mailto:mjlara@illinois.edu> ] ;
    dcat:distribution <https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/4dcb8840-3eea-44db-a7da-1690f560fc94>,
        <https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/60aae079-2132-499f-a467-d32ca4abc1ec>,
        <https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/6eb09b36-dda1-4253-ba78-edd2b314d9b5>,
        <https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/b7414c8c-37d0-490e-b7d9-ce3725c3b4b9>,
        <https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/bdb94a06-0629-4bd9-92b9-a13d05c1133b>,
        <https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/bf6fcbf7-dc0b-4b91-b596-90b6848aef2b> ;
    dcat:keyword "Geomorphology",
        "Land Cover",
        "Permafrost" ;
    dcat:landingPage <https://doi.org/10.21429/C9JS8S> .

<https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/4dcb8840-3eea-44db-a7da-1690f560fc94> a dcat:Distribution ;
    dct:description "A .clr file is a space-delimited text file that defines the pixel value and the red, green, and blue color values." ;
    dct:format "CLR" ;
    dct:issued "2020-04-29T12:04:19.074937"^^xsd:dateTime ;
    dct:modified "2021-11-01T11:09:10.376515"^^xsd:dateTime ;
    dct:title "value color map file" ;
    dcat:accessURL <http://data.snap.uaf.edu/data/IEM/other/polygonal_tundra/ACP_1116.clr> .

<https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/60aae079-2132-499f-a467-d32ca4abc1ec> a dcat:Distribution ;
    dct:description "Lara, M. J. et al. Tundra landform and vegetation productivity trend maps for the Arctic Coastal Plain of northern Alaska. Sci. Data 5:180058 doi: 10.1038/sdata.2018.58 (2018)." ;
    dct:format "HTML" ;
    dct:issued "2020-04-29T11:44:35.680007"^^xsd:dateTime ;
    dct:modified "2021-11-01T11:09:10.376689"^^xsd:dateTime ;
    dct:title "Publication this dataset is a supplement to" ;
    dcat:accessURL <https://doi.org/10.1038/sdata.2018.58> .

<https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/6eb09b36-dda1-4253-ba78-edd2b314d9b5> a dcat:Distribution ;
    dct:description "geotiff" ;
    dct:format "Geotiff" ;
    dct:issued "2020-04-29T08:48:40.454448"^^xsd:dateTime ;
    dct:modified "2021-11-01T11:09:10.376272"^^xsd:dateTime ;
    dct:title "geomorphic land cover classes" ;
    dcat:accessURL <http://data.snap.uaf.edu/data/IEM/other/polygonal_tundra/acp_112016.tif> ;
    dcat:mediaType "image/tiff" .

<https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/b7414c8c-37d0-490e-b7d9-ce3725c3b4b9> a dcat:Distribution ;
    dct:description """Figure 2: Geospatial datasets representing the heterogeneity in both landform and NDVI across the ACP of northern Alaska.\r
\r
From: Lara, M., Nitze, I., Grosse, G. et al. Tundra landform and vegetation productivity trend maps for the Arctic Coastal Plain of northern Alaska. Sci Data 5, 180058 (2018). https://doi.org/10.1038/sdata.2018.58\r
\r
The tundra geomorphology map (a) was validated with 1000 reference sites (700 and 300 in the Arctic Peaty Lowlands and Arctic Sandy Lowlands, respectively) using 249 SPOT-5 ortho-tiles (b), while the NDVI trend map (c) was developed using between 40 to 110 image observations per 30 m pixel (d).""" ;
    dct:format "JPEG" ;
    dct:issued "2020-04-29T08:23:16.664156"^^xsd:dateTime ;
    dct:modified "2025-01-15T09:06:05.673546"^^xsd:dateTime ;
    dct:title "Preview" ;
    dcat:accessURL <https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsdata.2018.58/MediaObjects/41597_2018_Article_BFsdata201858_Fig2_HTML.jpg> ;
    dcat:mediaType "image/jpeg" .

<https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/bdb94a06-0629-4bd9-92b9-a13d05c1133b> a dcat:Distribution ;
    dct:description "Metadata for this dataset in ISO19139 format." ;
    dct:format "XML" ;
    dct:issued "2020-04-29T08:53:12.662417"^^xsd:dateTime ;
    dct:modified "2021-11-01T11:09:10.376604"^^xsd:dateTime ;
    dct:title "XML Metadata" ;
    dcat:accessURL <https://athena.snap.uaf.edu/geonetwork/srv/en/iso19139.xml?id=507> .

<https://apgc.awi.de/dataset/c00a47dd-60eb-43eb-a70b-a6f30e9cb763/resource/bf6fcbf7-dc0b-4b91-b596-90b6848aef2b> a dcat:Distribution ;
    dct:description "DBF table with class names" ;
    dct:format "dBase" ;
    dct:issued "2020-04-29T08:51:16.237085"^^xsd:dateTime ;
    dct:modified "2021-11-01T11:09:10.376399"^^xsd:dateTime ;
    dct:title "geomorphic land cover classes" ;
    dcat:accessURL <http://data.snap.uaf.edu/data/IEM/other/polygonal_tundra/acp_112016.tif.dbf> .

<https://apgc.awi.de/organization/38f906d1-fcfc-4d59-b8bd-9dce10e27bd5> a foaf:Agent ;
    foaf:name "SNAP Data Portal" .

<https://doi.org/10.21429/C9JS8S> a foaf:Document .