Earth observation 
| Earth Observation |
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| Written by Dag Solheim | |
| Monday, 23 July 2007 | |
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Geodesy is concerned with mapping the shape of the Earth to the benefit of all branches of Earth sciences. Geodesy provides the foundation for all Earth observations as well as crucial observations of changes in the Earth's geometry, gravity field, and rotation.
Credit: NASA Geodesy is crucial for meeting many of the requirements for observations of global change and observations supporting studies of the Earth system. Geodesy provides the basis for precise georeferencing and navigation, and for supporting numerous processes in a modern society. It is of vital importance in determining sea-level change, studying the water cycle, mass transport, assessment of geohazards and contribution to early warning systems for such hazard. |
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| Last Updated ( Tuesday, 19 August 2008 ) |
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