# 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/landsat-c2-l2> a tf:PreprocessedCollection ;
    dct:identifier "landsat-c2-l2" ;
    dct:title "Landsat Collection 2 Level-2 Surface Reflectance & Temperature" ;
    dct:description "Science-grade surface reflectance and surface temperature for Landsat 4–9, globally consistent analysis-ready data." ;
    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:hasModality tf:modality-thermal ;
    tf:hasPlatform <https://terrafabric.world/id/platform/landsat-4-5> ;
    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:hasInstrument <https://terrafabric.world/id/instrument/tirs> ;
    tf:gsdMeters "30"^^xsd:decimal ;
    tf:revisitHours "192"^^xsd:decimal ;
    tf:latencyHours "24"^^xsd:decimal ;
    tf:bandCount 9 ;
    tf:spectralRange "433 nm–12.5 µm" ;
    tf:allWeather false ;
    tf:nightCapable false ;
    tf:taskable false ;
    tf:license <https://terrafabric.world/id/license/us-public-domain> ;
    tf:releasability tf:marking-public ;
    dcat:keyword "surface reflectance" ;
    dcat:keyword "surface temperature" ;
    dcat:keyword "ARD" ;
    dcat:keyword "NDVI" ;
    tf:spatialExtent <https://terrafabric.world/id/collection/landsat-c2-l2/extent/spatial> ;
    tf:temporalExtent <https://terrafabric.world/id/collection/landsat-c2-l2/extent/temporal> ;
    tf:format <https://terrafabric.world/id/format/cog> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/landsat-c2-l2/access/0> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/landsat-c2-l2/access/1> ;
    tf:derivedFrom <https://terrafabric.world/id/collection/landsat-c2-l1> .

<https://terrafabric.world/id/collection/landsat-c2-l2/extent/spatial> a tf:SpatialExtent ;
    tf:bbox "-180,-82,180,82" ;
    tf:asWKT "POLYGON((-180 -82,180 -82,180 82,-180 82,-180 -82))"^^geo:wktLiteral .

<https://terrafabric.world/id/collection/landsat-c2-l2/extent/temporal> a tf:TemporalExtent ;
    tf:startDate "1982-08-22"^^xsd:date .

<https://terrafabric.world/id/collection/landsat-c2-l2/access/0> a tf:AccessMethod ;
    tf:accessKind "stac-api" ;
    tf:endpointURL "https://planetarycomputer.microsoft.com/api/stac/v1"^^xsd:anyURI .

<https://terrafabric.world/id/collection/landsat-c2-l2/access/1> a tf:AccessMethod ;
    tf:accessKind "stac-api" ;
    tf:endpointURL "https://landsatlook.usgs.gov/stac-server"^^xsd:anyURI .