An airborne geophysical program over West Antarctica was designed to study the linkage between the West Antarctic Rift System and the dynamic evolution of the overlying West Antarctic Ice Sheet. The integrated data acquisition system mounted on a DeHavilland Twin Otter consists of an airborne gravity system, a towed aeromagnetic system, an ice penetrating radar, and a laser altimeter. The aerogeophysical data set covers a 300,000 km2 region in West Antarctica. The survey area is covered by a grid of orthogonal flight lines spaced 5.3 km apart in both directions consisting of 150,000 line kilometers. Flight elevation varied from 1600 m to 2500 m (check here for details).
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