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Título : Adjustment of the First Order Gravity Net in Spain
Autor : Sevilla, Miguel J.; Gil, Alejandro J.; Romero, P.
Palabras clave : Spanish gravity net
Fecha de publicación : 1990
Editor: Universidad Complutense de Madrid
Citación : Física de la Tierra, núm. 2. 149-203
Resumen: Ihe Spanish first order gravity net REDORAES was established in 1973 with the measurements made by combined groups from Ihe IGN (Instituto Geográfico Nacional, Spain) and Ihe DMATC (Defense Mapping Agency Topographic Center, USA). The gravity data were processed by DMATC and results were reported to ING. Since 1974 lo 1977, a scientific cooperation was established between the IGN and the present Instituto de Astronomía y Geodesia (IAG) which proceed lo the analysis of the REDGRAES, and the study of the calibration une and the regional densification trips to get an automatic procedure for computing the gravity anomalies in Spain and the global study of the Spanish gravimetry. Recently these results have been revised lo obtain a data bank of gravity anomalies to be used, in cooperation with the «Instituto di Topografía, Fotogrammetria e Geofísica» (Milano), in Ihe gravimetric geoid determination. As results of this analysis possible errors in Ihe fírst computation and the lack of a statistical analysis have been detected. So, a new adjustment of the Spanish gravity net has been planned using the IGSN 71 stations sited in Spain.
URI : http://hdl.handle.net/10261/6653
ISSN: 0214-4557 (Print)
1988-2440 (Online)
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