Knowledge Bank

A study is being made to measure the surface movement of a part of the Antarctic ice sheet, using aerial strip triangulation with independent geodetic control. After placing 134 photographic markers between Byrd Station and Mt. Chapman, a distance of 365 km, an overlapping strip of aerial photographs was taken. Using Mt. Chapman as the only fixed reference, together with a very limited amount of field work, the positions of the markers will be determined by aerial triangulation. After a certain time interval of one or two year’s another strip of photographs will provide changed marker positions. This preliminary report explains the method of aerial triangulation and discusses the initial field work performed during the 1962-1963 austral summer.