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Geodetic Surveys in the Grove Mountains. Gary Johnston Paul Digney John Manning. Grove Mountains. Some History. ANARE surveyor Knuckey observed an Astro fix near Mt Harding in 1958. ANARE geological survey party visited Mt Harding region in 1973
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Geodetic Surveys in the Grove Mountains • Gary Johnston • Paul Digney • John Manning Antarctic Geodetic Symposium 2001, St Petersburg
Grove Mountains Antarctic Geodetic Symposium 2001, St Petersburg
Some History • ANARE surveyor Knuckey observed an Astro fix near Mt Harding in 1958. • ANARE geological survey party visited Mt Harding region in 1973 • ANARE extended geodetic survey traverse to Austin Nunatak 1974 • Russian airborne geophysical exploration in 1970s and recently in 1998 • Chinese geological and mapping ground expedition from Zhong Shan in 1999 Antarctic Geodetic Symposium 2001, St Petersburg
Knuckey Astro fix - Mt Harding 1958 Antarctic Geodetic Symposium 2001, St Petersburg
Current work • Summer 2000/2001 • Austin Nunatak 3 days GPS observation • Nunatak near Mt Harding minimum 15 days GPS observation on geodynamic mark Antarctic Geodetic Symposium 2001, St Petersburg
Austin Nunatak- western outlier Antarctic Geodetic Symposium 2001, St Petersburg
Looking South to Vukovich Rocks Antarctic Geodetic Symposium 2001, St Petersburg
Wilson Ridge Antarctic Geodetic Symposium 2001, St Petersburg
Future Work • Re-observe geodynamic mark for uplift studies • Establish additional points for geodetic infrastructure in ITRF2000 • Connect to Chinese or Russian monuments • Derive transformation parameters between Australian and Chinese datums Antarctic Geodetic Symposium 2001, St Petersburg