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Altimetry,bathymetry and geoid variations at the Gavdos permanent Cal/Val facility |
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| Authors: | Stelios P. Mertikas Antonis Daskalakis Ilias N. Tziavos Ole B. Andersen George S. Vergos Achilles Tripolitsiotis Vassilis Zervakis Xenofon Frantzis Panagiotis Partsinevelos |
| Affiliation: | 1. Technical University of Crete, Mineral Resources Engineering Department, Geodesy and Geomatics Engineering Laboratory, 73100 Chania, Greece;2. Department of Geodesy and Surveying, Aristotle University of Thessaloniki, University Box 440, 54124 Thessaloniki, Greece;3. Danish National Space Center, Technical University of Denmark, Juliane Maries vej 30, 2100 KBH Ø, Denmark;4. University of the Aegean, Department of Marine Sciences, University Hill, 81100 Mytilene, Lesvos Island, Greece |
| Abstract: | The aim of this work has been to examine the relationship of steep bathymetry in the coastal areas around the permanent Cal/Val facility of Gavdos, and their influence on the produced calibration values for the Jason-2 satellite altimeter. The paper describes how changes in seafloor topography (from 200 to 3500 m depth over a distance of 10 km) are reflected on the determined altimeter parameters using different reference surfaces for satellite calibration. Finally, it describes the relation between these parameter trends and the region’s local characteristics. |
| Keywords: | Calibration Validation Satellite altimetry Local geoid Mean sea surface Bathymetry, Gavdos |
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