Contribuição ao estabelecimento de um sistema gravimétrico para a América do Sul. / Contribution to the estabilishment of a South America gravimetric system.

AUTOR(ES)

Carlos Alberto Corrêa e Castro Junior

DATA DE PUBLICAÇÃO

2005

RESUMO

The increasing demand for consistent South American gravimetric informations, aiming, most of all, the unification of a height system for the continent, was the motivation for this work. Within this context, an effort was made to evince detailed technical and operational informations related to the execution of gravimetric surveys. Basic concepts are exposed, followed by a historical summary of gravimetry in Brazil and throughout the world. A proposal of a new approach for a gravimetric system is made and detailed practical aspects on the use of LaCoste &Romberg gravity meter are given. In addition, methodological procedures are suggested for the several stages of a gravimetric operation. Finally, as a case study, results are made available after analysis and comparisons.

ASSUNTO(S)

geodésia física gravimetria gravity gravidade geodesy

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