AGASEA Ice Thickness Profile Data from the Amundsen Sea Embayment, Antarctica

• Main Authors: Blankenship, Donald D., Young, Duncan A., Holt, John W., Kempf, Scott D.
• Format: Dataset
• Language: unknown
• Published: IEDA: US Antarctic Program Data Center 2012
• Subjects: Airborne Radar; Ice Thickness; Antarctic Glaciology; AGASEA; Bathymetry/Topography; Glaciology; Antarctica; Glaciers/Ice Sheet; Cryosphere; Amundsen Sea Embayment; US Antarctic Program Data Center (USAP-DC); Antarctic; West Antarctica; Amundsen Sea; Thwaites Glacier; Antarc*; Ice Sheet
• Online Access: http://get.iedadata.org/metadata/iso/609517

Abstract: This data set contains line-based radar-derived ice thickness and bed elevation data, collected as part of the Airborne Geophysical Survey of the Amundsen Embayment (AGASEA) expedition, which took place over Thwaites Glacier in West Antarctica from 2004 to 2005. The data set includes ice thickness, ice sheet bed elevation, and ice sheet surface elevation, derived from ice-penetrating radar and aircraft GPS positions. The data are spaced on a 15 km by 15 km grid over the entire catchment of the glacier, and sampled at approximately 15 meters along track. Most of the radar data used for this dataset has been processed using a 1-D focusing algorithm, to reduce the along track resolution to tens of meters, to improve boundary conditions for ice sheet models. Data are available via FTP in space-delimited ASCII format.