Table 2. Total volume errors (ΔVE) between 2003 photogrammetric models and 2003 lidar model, and total (ΔV), area-averaged (Δh) and annual area- veraged (Δh/Δt ) ice volume loss at midtre Lov´ enbreen, 2003–05, as measured by lidar–lidar DEM differencing (Lidar03) and photogrammetry–lidar DEM differencing using 11 different GCP configurations.