Land occupation in the department of Ardèche (year 1991)

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Dataset information

Country of origin
Updated
2020.02.10 06:45
Created
2016.03.23
Available languages
French
Keywords
ddt-ardeche, donnees-ouvertes, planning-cadastre, grand-public, services-de-l-etat, occupation-du-sol, occupation-des-terres, passerelle-inspire, rhone-alpes
Quality scoring
195

Dataset description

Description of land use according to 16 value classes, over the entire department of Ardèche. __Origin__ Objectives of production: — Measure the consumption of the space and its evolution between each year of occupancy. Quantify these changes and their speed. — Identify sectors with stakes — Equipping a tool with a tool for decision-making; planning Process of realisation: Combination of remote sensing and photo interpretation allowing to identify the land cover in 16 classes. — Remote sensing and textural analysis on images degraded to 5 m to delimit large groups (cultures, forests, habitat). — Photo-interpretation on metric resolution images to refine and correct the result of remote sensing. Realisation by the Cabinet Geosat Sources: Digitised and georeferenced paper aerial photographs of l'IGN for shooting campaigns 1979, 1986, 1991, 1997. IGN©-BDORTHO® for the 2002 and 2007 marketing year. Geometrical precision: No d' objects with a surface less than 0.05 ha (corresponds to the surface of the smallest mapped set) Completeness: The " non-photo areas interpreted" corresponding to cloudy or missing areas (present on the photo campaigns of the oldest years), are replaced by the land cover of the previous year or the following year __Partner organisations__ DDT Ardèche __Links annexes__ * [basketDownloadFrontalParametrage](https://catalogue.datara.gouv.fr/geosource/panierDownloadFrontalParametrage?LAYERIDTS=5860) * [direct download of data](https://catalogue.datara.gouv.fr/rss/atomfeed/atomdataset/474904ca-6f84-47cf-9024-9239359f7e9c) [See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/1048a50fd36506135e0823f314def8680d19778e)
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