• Image of The Geodetic.
  • Image of The Geodetic.

The shape of the Earth is to a large extent the result of its rotation, which causes its equatorial bulge, and the competition of geological processes such as the collision of plates and of volcanism, resisted by the Earth's gravity field.The Geodetic is the figure of the Earth abstracted from its topographical features. It's an idealized equilibrium surface of sea water, the mean sea level surface in the absence of currents, air pressure variations etc. & continued under the continental masses.

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