The observation of gravity has become a diverse field of endeavour with many facets and purposes. The emphasis is here on the classical gravity measurements with gravimeters for the purpose of deriving gravity anomalies and interpreting them in geological terms. Anomalies are characteristic gravity variations which are to be defined or constructed from ensembles of observations at point sets, usually at the Earth’s surface, and they are related to geological bodies or structures (see, Sect. 1.4). This chapter is a brief introduction into the measurements in order to help assessing their problems and limitations. New developments, for example, in absolute gravimetry, gravity tensor measurements and ship born, airborne or space borne methods will be only briefly presented.
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Johannes, W.J., Smilde, P.L. (2009). Observations and Field Activities. In: Gravity Interpretation. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85329-9_3
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