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PREFIX : <https://catalogue.ceh.ac.uk/id/>
:fc77c9b3-570d-4314-82ba-bc914538a748
dcterms:title "Land Cover Map 2000" ;
dcterms:identifier "https://catalogue.ceh.ac.uk/id/fc77c9b3-570d-4314-82ba-bc914538a748" ;
dcterms:description "The Land Cover Map 2000 (LCM2000) is a series of data products produced by the Centre for Ecology & Hydrology, based on a parcel-based thematic classification of satellite image data covering the entire United Kingdom. LCM2000 is derived from a computer classification of satellite scenes obtained mainly from the Landsat sensor. It incorporates information derived from other ancillary datasets. LCM2000 was classified using a hierarchical nomenclature corresponding to the Joint Nature Conservation Committee (JNCC) Broad Habitats, which encompasses the entire range of UK habitats. In addition, it records further detail where possible and incorporates land cover classes sought by other users. LCM2000 is produced in both vector and raster formats, with a number of different versions containing varying levels of detail and at different spatial resolutions. These are one of a series of land cover maps, produced by UKCEH since 1990. They include versions in 1990, 2000, 2007, 2015, 2017, 2018 and 2019." ;
dcterms:provenance [
a dcterms:ProvenanceStatement ;
rdfs:label "In a major development of the 1990 methods, Land Cover Map 2000 (LCM2000) used image segmentation to identify land parcels in the pixel-based images. An automated procedure grouped the image pixels into spectrally 'uniform' segments. These were built around 'seedpoints' selected to avoid parcel boundaries. The segmentation recorded a field-by-field pattern, also separating land use zones within urban and suburban areas, and subdividing mosaics of semi-natural vegetation. Generalisation gave minimum mappable units of a half hectare. A 'vector' version was then created in the geographical information system (GIS), where the boundaries between the pixel-based segments were represented by digital linework. The resultant land parcels were treated as GIS objects to which attribute data could then be attached covering such topics as land cover class, parcel area, length of boundary, processing history, knowledge-based correction and identification of the original satellite scene. The raster products have been derived from the vector dataset. LCM2000 was produced at CEH Monks Wood. For further information on the methodology developed and used to create Land Cover Map 2000, see the on-line supporting documentation supplied with each dataset."
] ;
dcterms:spatial [
a dcterms:Location ;
dcat:bbox "POLYGON((-10 49, -10 59, 5 59, 5 49, -10 49))"^^geo:wktLiteral ;
] ;
dcterms:temporal
[ a dcterms:PeriodOfTime ;
dcat:startDate "2000-01-01"^^xsd:date ;
dcat:endDate "2000-12-31"^^xsd:date ;
] ;
dcat:contactPoint
<https://ror.org/00pggkr55> ;
dcterms:isPartOf <https://catalogue.ceh.ac.uk/id/c0078881-7d5a-4641-91e2-c271426bc8a1> ;
dcterms:subject
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dcterms:language <http://id.loc.gov/vocabulary/iso639-1/en> .
<https://ror.org/00pggkr55> a foaf:Organization ;
foaf:name "Centre for Ecology & Hydrology" ;
vcard:hasEmail "enquiries@ceh.ac.uk" ;
foaf:member <https://ror.org/00pggkr55> ;
.
<http://onto.nerc.ac.uk/CEHMD/topic/11> a skos:Concept;
skos:prefLabel "Land cover"; rdfs:label "Land cover"
.
<https://ror.org/00pggkr55> a foaf:Organization ;
foaf:name "Centre for Ecology & Hydrology" .