organisation UBE
user_name Stefan Voigt
user_organisation Stefan Voigt, UBE Department of Geography University of Berne Hallerstr. 12 CH - 3012 Berne, Switzerland Tel: +41 (0)31 631 8552 Fax: - 8511 e-mail: voigt@giub.unibe.ch
date 20.01.1998
data_set_name rhi_land_slus
data_date 1982 - 1985
description subset for BASCH of an aggregation of the Swiss Land Use Statistics - 15 classes supplied by the Federal Statistical Office of Switzerland
raster_vector RASTER
filename rhi_land_slus
software ArcInfo / ArcView
formats 1. ASCII 2. the land use data are also available in an aggregation conform to the CORINE land cover standard (habitat level2, 15 classes)
operating_system NT / UNIX
format ArcInfo GRID
projection Oblique Mercator Swiss Datum (CH-1903) Bessel Ellipsoid 1841 central point: 7 26 22.50 (longitude) 46 57 08.66 (latitude) 560.00 (meter) azimuth: 90° false easting: 600,000 false northing: 200,000
data_quality NO
resolution 100m x 100m (spatial)
attributes 1 Forests 2 Bushy forests 3 Other woodland 4 Special crops 5 Meadows and arable land 6 Alpine meadows and pastures 7 Lakes 8 Rivers 9 Unproductive vegetation 10 No vegetation 11 Urban area (no industry) 12 Industry 13 Special urban areas 14 Recreational areas 15 Traffic areas
methods The data was derived by overlaying aerial photographs with a reprojected grid (100m x 100m) and manually interpreting and assigning the predominant land use of each cell. The reprojection of the grid mask was done by reconstructing the geometry of each photo by using a DEM (the Swiss RIMINI model) and other geometric parameters as focal length, viewing angles etc. The classification was carried out by visually interpreting transparent images. Every raster point was classified by two independent interpreters to minimise errors. Uncertain land use features were verified in a first field campaign. The land use features still uncertain were checked as well as discussed and finally assigned in a second field campaign.
other non
copyright licensed for UBE
contact Stefan Voigt, UBE Department of Geography University of Berne Hallerstr. 12 CH - 3012 Berne, Switzerland Tel: +41 (0)31 631 8552 Fax: - 8511 e-mail: voigt@giub.unibe.ch