Abstract
The Institut für Erdmessung (IFE), University of Hannover, Germany, performed a large-scale gravity control survey between 1988 and 1991 in South America, in cooperation with university institutes and state agencies of the countries involved and supported by “Deutsche Forschungsgemeinschaft (DFG)” and “Instituto Panamericano de Geografía e Historia (IPGH)”. This control system covers a large part of South America by establishing 22 absolute gravity stations with additional local eccenters. After a first observation campaign in Venezuela in 1988 (6 stations), a project in Brazil (7 stations), Uruguay (2 stations) and Argentina (3 stations) has been performed in 1989. A final campaign in 1991 concentrated on Argentina (3 new stations) and Uruguay (1 new station, 1 reoccupied). Three gravity stations (Sta. Elena, Brasilia, Tandil) are part of the International Absolute Gravity Basestation Network (IAGBN,set A). In addition, the stations serve as absolute gravity control for geodynamic networks in the Central and Venezuelan Andes and they improve existing national gravity networks.
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Torge, W., Timmen, L., Röder, R.H., Schnüll, M. (1995). Large Scale Absolute Gravity Control in South America — JILAG-3 Campaigns 1988–1991 —. In: Sünkel, H., Marson, I. (eds) Gravity and Geoid. International Association of Geodesy Symposia, vol 113. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-79721-7_6
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DOI: https://doi.org/10.1007/978-3-642-79721-7_6
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