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Conference Paper

Coastal sea level trend using multi mission along track satellite altimetry for the Baltic Sea

Authors

Mostafavi,  Majid
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Delpeche Ellmann,  Nicole
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Ellmann,  Artu
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Mostafavi, M., Delpeche Ellmann, N., Ellmann, A. (2023): Coastal sea level trend using multi mission along track satellite altimetry for the Baltic Sea, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4967


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021366
Abstract
Understanding and predicting future sea level change is a necessity for coastal planning, engineering, and climate studies. One of the main challenges has been that most Absolute Sea level (ASL) sea level trends are based at the location of tide gauges (TG), which tends to be land bounded and the TG data in some location covers limited temporal time span. Satellite Altimetry (SA) however, provide data both in shoreline and offshore although with some limitations. The main challenge of SA data is to provide reliable sources which has higher consistency with TG data specially to the vicinity of coastline. As a result, this study examines the sea level trend derived by multi-mission SA data in conjunction with the TG observation that has at some locations more than 20 years over ten TG station along the Baltic Sea coast. To perform this sea level trends using all available along track SA (e.g. Envisat, SARAL, Cryosat-2 and Jason missions and Sentinels missions) data by Baltic+SEAL project are computed using various methods. The ASL trend computed with using SA is then compared with the TG stations observation.