Encyclopedia of Marine Geosciences

Living Edition
| Editors: Jan Harff, Martin Meschede, Sven Petersen, Jörn Thiede

Gravity Field: Marine Geosciences

  • Udo Barckhausen
  • Ingo Heyde
Living reference work entry
DOI: https://doi.org/10.1007/978-94-007-6644-0_201-1


The gravity field in marine geosciences is the gravitational force that the Earth’s mass exerts on objects on or near its surface.


The basic principle for the Earth’s gravity field in classical mechanics is Newton’s law of universal gravitation. It states that every massive body exerts an attractive force on all other massive objects. The force is proportional to the product of the bodies’ masses and inversely proportional to the square of the distance between them. For extended bodies like the Earth, their mass can be assumed to be concentrated as a point mass in their center (strictly this is only true for spheres with a symmetrical mass distribution). In geophysics, Newton’s law is used in the form
$$ \underset{\bar{\mkern6mu}}{K}=G\frac{mM}{r^2}\underset{\bar{\mkern6mu}}{r^0} $$


Gravity Field Gravity Anomaly Normal Gravity Centrifugal Acceleration Marine Gravity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  1. 1.Division 1, Energy and Mineral ResourcesBundesanstalt für Geowissenschaften und RohstoffeHanoverGermany