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The forthcoming Baltic Sea Chart Datum 2000 – how harmonized height reference benefits sustainability

Authors

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

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

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

Varbla,  Sander
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;

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

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

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

Bilker-Koivula,  Mirjam
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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

Famos/Bscd team,  the
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Schwabe, J., Ågren, J., Liebsch, G., Varbla, S., Ellmann, A., Teitsson, H., Forsberg, R., Strykowski, G., Bilker-Koivula, M., Westfeld, P., Famos/Bscd team, t. (2023): The forthcoming Baltic Sea Chart Datum 2000 – how harmonized height reference benefits sustainability, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-2441


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018311
Abstract
What do the transport sector, planning for the offshore industry, sea level rise monitoring, and environmental and coastal protection have in common? For all these fields, sustainability is nowadays a key aspect, and they all rely on accurate positioning and navigation across borders and between land and sea. Today, this is primarily done employing satellite techniques, but users are largely unaware that this requires a harmonized geodetic infrastructure, i.e., data and services, to determine accurate coordinates and heights relative to a common reference system. Until now, heights on land and charted depths in the Baltic Sea region were heterogeneous and not directly comparable. For example, paper charts of different harbors had different zero levels between countries or even within the same country. Working with this kind of information required expert knowledge. The Baltic Sea Hydrographic Commission has therefore laid the foundation for a unified chart datum in the Baltic Sea, the BSCD2000. A substantial part of the work could be realized with co-funding from the EU in the project “Finalizing Surveys for the Baltic Motorways of the Sea (FAMOS)”. In this paper, the concept of BSCD2000 and its implications for the users are briefly outlined, and applications given the UN sustainability goals are demonstrated. Based on BSCD2000, seamless and user-friendly navigation using satellites will become available for the first time in the Baltic Sea. BCSD2000 hence provides the foundation for novel applications like adaptive ship routing, which will promote the safety and efficiency of ship transport.