Rutford Ice Stream bed elevation DEM from radar data
We present a digital elevation model of the bed of Rutford Ice Stream, Antarctica derived from radio-echo sounding data. The data cover an 18 x 40 km area immediately upstream of the grounding line of the ice stream. This area is of particular interest because repeated seismic surveys have shown that rapid erosion and deposition of subglacial sediments has taken place. The bed topography shows a range of different subglacial landforms including mega-scale glacial lineations, drumlins and hummocks. This dataset will form a baseline survey which, when compared to future surveys, should reveal how active subglacial landscapes change over time. The dataset comprises observed ice thickness data, an interpolated bed elevation grid, observed surface elevation data and a surface elevation grid.

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Click to view contents surface_WGS84_grid.txt
2015/03/24 16:40 UTC
Click to view contents surface_elevation_x_y_z.txt
2015/03/24 16:40 UTC
Click to view contents Rutford_DEM_data_description.txt
2015/03/26 09:58 UTC
Click to view contents Rutford_DEM_data_description.doc
2015/03/26 09:46 UTC
Click to view contents ice_thickness_x_y_t.txt
2015/03/24 16:40 UTC
Click to view contents checksum_md5.txt
2015/03/26 10:02 UTC
Click to view contents bed_WGS84_grid.txt
2015/03/24 16:40 UTC
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