Grejner-Brzezinska, Dorota A. Department of Civil and Environmental Engineering and Geodetic Science, Ohio State University, Columbus, Ohio.
Rizos, Chris School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, Australia.
- How space-based methods support the primary mission of geodesy
- Terrestrial and celestial reference systems
- Future developments and trends
- Additional Readings
The classical definition of geodesy is the “science of the measurement and mapping of the Earth's surface” by direct measurements, such as terrestrial triangulation, leveling, and gravimetric observations, and, in the past 50 years, also with space techniques, based primarily on the tracking of a wide range of artificial Earth satellites. The primary mission of geodesy can be defined as:
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