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Elle complète ainsi la carte des milieux naturels du canton de Genève.\n\nLa carte résulte d'un travail de certificat de géomatique (2018) qui a compilé les données d'utilisation du sol sur le territoire (Genève, Ain, Haute-Savoie) et sur la géométrie issue des informations de SwissTopo (TLM3D) pour la partie suisse et de l'IGN (BD-Topo) pour la partie francaise. Ce premier travail d'assemblage a servi de base statistique pour l'attribution des catégories de milieux naturels à la géométrie TLM3D et BD-Topo. Les données cadastrales connues (routes, bâtiments et cours d'eau) sont ensuite incrustées.\n\nLa cartographie est présentée pour près de 542 communes (6'600 km2) et comprend 26 catégories d'utilisation du sol.\n\nDes données satellitaires (Sentinel 2, février-octobre 2018) ont également permis de différencier certaines zones urbaines végétalisées (catégorie végétation urbaine) en réalisant un indice normalisé de végétation moyen.\n\nCette donnée permet d'avoir une vue d'ensemble sur tout le territoire du Grand Genève des milieux naturels et urbanisés. 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