# TerraFabric Ontology — generated by terrafabric-server
# version 1.0.0

@prefix tf: <https://terrafabric.world/ont#> .
@prefix tfr: <https://terrafabric.world/id/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix sosa: <http://www.w3.org/ns/sosa/> .
@prefix ssn: <http://www.w3.org/ns/ssn/> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .
@prefix schema: <https://schema.org/> .
@prefix odrl: <http://www.w3.org/ns/odrl/2/> .

<https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance> a tf:PreprocessedCollection ;
    dct:identifier "usgs-landsat-ard-toa-reflectance" ;
    dct:title "Landsat Collection 2 Analysis Ready Data (ARD) Level-2 UTM Top of Atmosphere (TA) Reflectance Product" ;
    dct:description "Landsat Collection 2 ARD top-of-atmosphere reflectance with per-pixel angle corrections on 30 m product grids. This is not surface reflectance. Native artifact geometry is connected and indexed; catalog bounds are nominal scope, not complete observed coverage. Publisher quality, attribution and download authentication apply." ;
    tf:providedBy <https://terrafabric.world/id/provider/usgs> ;
    tf:dataTier tf:tier-preprocessed ;
    tf:processingLevel tf:level-L2 ;
    tf:accessClass "free" ;
    tf:hasModality tf:modality-optical ;
    tf:hasModality tf:modality-multispectral ;
    tf:dataCategory tf:category-imagery ;
    tf:hasPlatform <https://terrafabric.world/id/platform/landsat-4> ;
    tf:hasPlatform <https://terrafabric.world/id/platform/landsat-5> ;
    tf:hasPlatform <https://terrafabric.world/id/platform/landsat-7> ;
    tf:hasPlatform <https://terrafabric.world/id/platform/landsat-8> ;
    tf:hasPlatform <https://terrafabric.world/id/platform/landsat-9> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/tm> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/etm> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/oli> ;
    tf:gsdMeters "30"^^xsd:decimal ;
    tf:allWeather false ;
    tf:nightCapable false ;
    tf:taskable false ;
    tf:license <https://terrafabric.world/id/license/provider-terms> ;
    tf:releasability tf:marking-public ;
    dcat:keyword "earth-observation" ;
    dcat:keyword "primary-source" ;
    dcat:keyword "stac" ;
    dcat:keyword "landsat-c2ard-ta" ;
    tf:spatialExtent <https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/extent/spatial> ;
    tf:temporalExtent <https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/extent/temporal> ;
    tf:format <https://terrafabric.world/id/format/stac> ;
    tf:format <https://terrafabric.world/id/format/cog> ;
    tf:format <https://terrafabric.world/id/format/geotiff> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/access/0> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/access/1> .

<https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/extent/spatial> a tf:SpatialExtent ;
    tf:bbox "-180,-90,180,90" ;
    tf:asWKT "POLYGON((-180 -90,180 -90,180 90,-180 90,-180 -90))"^^geo:wktLiteral .

<https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/extent/temporal> a tf:TemporalExtent ;
    tf:startDate "1982-08-22"^^xsd:date .

<https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/access/0> a tf:AccessMethod ;
    tf:accessKind "https" ;
    tf:endpointURL "https://www.usgs.gov/landsat-missions/spatiotemporal-asset-catalog-stac"^^xsd:anyURI .

<https://terrafabric.world/id/collection/usgs-landsat-ard-toa-reflectance/access/1> a tf:AccessMethod ;
    tf:accessKind "stac-api" ;
    tf:endpointURL "https://landsatlook.usgs.gov/stac-server"^^xsd:anyURI .