Model of Sol Occupation 2017

Land use on a large scale 2017 by municipality on the metropolis Aix-Marseille Provence

Data produced by TTI Production on behalf of the metropolis Aix-Marseille-Provence.

Large-scale vector land occupation of 2017 on the territory of the Aix-Marseille Provence Metropolis cut by municipality. Nomenclature of 96 posts on 4 levels compatible with the CRIGE PACA nomenclature. Projection: Lambert 93 (compliant with the EGR).

Attention: the cutting of polygons at the strict perimeter of municipalities has generated UMCs and LMCs that no longer comply with the nomenclature.

The accuracy of the databases produced allows optimal use between the 1/5 000th and 1/10 000th. The reliability rate after external quality control and in the order of 95 %.

Polygonal vector layer, topological of the 2017 vintage. UMC from 500 to 1 000 m² in urban areas. UMC from 1000 to 2 500 m² in the farm. UMC from 500 (water) to 2 500 m² in natural spaces. The production methodology is a computer-assisted photo-interpretation (PIAO) on Ortho-photo natural color and Infra-Rouge 2017 of 0.50 m resolution. Exogenous data were used to improve product quality, including IGN scan25, RPG, SDIS, BD-Topo. Photo-interpretation scale between 1/1500 and 1/3500.