gravimetreillä
Gravimetreillä, or gravimeters in English, are scientific instruments used to measure the local gravitational field of the Earth. These devices are sensitive to minute variations in gravity, which can be caused by differences in the density of subsurface materials. Gravimeters work by measuring the acceleration due to gravity, denoted as 'g'. There are several types of gravimeters, including pendulum gravimeters, spring gravimeters, and more advanced absolute gravimeters and superconducting gravimeters.
Pendulum and spring gravimeters rely on the principle that the period of a pendulum or the extension
These instruments have a wide range of applications. In geophysics, they are crucial for oil and gas