1. BioSAR 2010 – A SAR campaign in support to the BIOMASS mission Lars Ulander, Anders Gustavsson Swedish Defence Research Agency (FOI), Sweden Pascale Dubois-Fernandez, Xavier Dupuis Office National d’Études et de Recherches Aérospatiales (ONERA), France Johan Fransson, Johan Holmgren, Jörgen Wallerman Swedish University of Agricultural Sciences (SLU), Sweden Leif Eriksson, Gustaf Sandberg, Maciej Soja Chalmers University of Technology, Göteborg, Sweden
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4. Test Site at Remningstorp Estate, Sweden Stand-level biomass: 0-370 tons/ha Ground topography: 110–150 m asl 1200 hectars divided into over 300 stands Test site location
13. Initial SAR imagery comparison HH = red HV = green VV = blue Images geocoded to UTM 33 N SETHI has higher (2x) bandwidth E-SAR 2007 SETHI 2010
14. Initial SAR imagery comparison HH = red HV = green VV = blue Clear-cutting easily delineated (red circles) Thinning and growth result in subtle changes E-SAR 2007 SETHI 2010
15. First analysis of mapping changes Color-coded change images 2007 vs 2010 Red: Lower value in 2010 Cyan: Higher value in 2010 Gray: Unchanged value Lidar: Biomass SAR: PHV-pol PHH-pol PVV-pol thinning clear cut
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Hinweis der Redaktion
Classification of ground/non-ground: TerraScan from Terrasolid (www.terrasolid.fi). DEM: average of ground-points within raster cell, TIN-interpolation of empty raster cells.