Gravimetry

20 Março 2023, 10:00 • Stéphanie Dumont

Presentation of the gravimetry. Definition of density, gravitational force, gravitational field for the Earth with introduction to geoid and ellipsoid of reference. Other points adressed: Time variations of the gravitational field due to lunisolar tidal effect, absolute and relative measurements of gravity field, corrections to apply for obtaining anomalies and possible transformations to facilitate data interpretation.