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G2.1

The Global Geodetic Observing System: Tying and Integrating Geodetic Techniques for Research and Applications
Convener: R. Gross  | Co-Conveners: E. C. Pavlis , D. Behrend 
Oral Programme
 / Fri, 27 Apr, 10:30–12:00 / Room 17
Poster Programme
 / Attendance Thu, 26 Apr, 17:30–19:00 / Hall XL
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IAG’s Global Geodetic Observing System (GGOS) provides the means for integrating ground- and spaced-based observations of geodetic techniques. Nowadays, large inter-technique discrepancies are seen in combinations and they reflect the presence of errors whose nature and origin are not well understood. Modernization of geodetic infrastructures and homogeneous processing of geodetic data are essential to reduce such discrepancies and support consistent observation of Earth’s time-variable surface geometry (including ocean and ice surfaces), ocean currents, mass and volume changes.
This session is a forum to discuss integration of geodetic techniques, the actual discrepancies highlighted by the combinations, their possible causes and corrections, as well as novel plans and strategies for development of infrastructures and their application to Earth’s surface monitoring.