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| Titel: |
Comparison of Multimission Altimetric Sea-Surface Heights with Tide Gauge Observations in the Southern Baltic Sea |
| Auteur: |
Liebsch, Gunter Novotny, Kristin Dietrich, Reinhard Shum, C. K. |
| Verschenen in: |
Marine geodesy |
| Paginering: | Jaargang 25 (2002) nr. 3 pagina's 213-234 |
| Jaar: |
2002-07-01 |
| Inhoud: |
One possible technique to validate the observations of altimeter missions is the comparison with sea-surface heights measured by tide gauges. In our investigation, we compared observations of the two tide gauge stations, Sassnitz and Warnemunde, which are located at the southern coast of the Baltic Sea, with sea-surface heights obtained from the altimeter missions Geosat, ERS-1, ERS-2, and TOPEX/Poseidon. For this purpose, the compared sea-surface heights were related to a common reference system and extrapolated to a common location. GPS observations, leveling data, regional geoid information, sea-surface topography, and postglacial rebound were included in the analysis. Considering the uncertainties of all model components, a more reliable estimation of the error budget (source, type, and magnitude of the errors) was performed. The obtained absolute altimeter biases are (-243 ± 32) mm for Geosat, (467 ± 19) mm for ERS-1, (76 ± 19) mm for ERS-2, and (13 ± 18) mm for TOPEX. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 3 van 5 gevonden artikelen
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