A methodology to evaluate available terrestrial gravimetric information
DOI:
https://doi.org/10.32685/0120-1425/bolgeol40.2-3.2003.136Keywords:
Colombia, Bouguer Anomaly, database, gravity, geodetic leveling, gravimetric mooring
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Copyright (c) 2003 Servicio Geológico Colombiano
This work is licensed under a Creative Commons Attribution 4.0 International License.
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Abstract
The various sources of gravimetric information available that have served as the basis for elaborating the national maps of simple and total Bouguer anomaly are presented. When evaluating the total Bouguer anomaly map, significant differences are found between the three sources called AClGEMI, Ecopetrol, and IGAC. In the analysis of these differences, no common patterns were found that would explain the differences in the anomalies using the authors the tools and processes during cartographic production. Therefore, it is concluded that these differences are supported by the source of gravimetric information.
A new methodology of standardization of gravimetric information at low cost is proposed, which consists of carrying out field work and implementing an official database, where the surveys are tied to the national gravimetric network and the fields. Additionally, source of information, project, and line is maintained.
References
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IGAC.1998. Gravimetría 1998. Santafé de Bogotá.
SCINT REX. 1989. Geophysical and Geochemical Instrumentation and Services. Scintrex Limited. Toronto.
