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Estimation of Regional Sea Level Change and Vertical Motion along the Arabian Peninsula by Satellite Altimetry and Tide Gauge Data

Authors

Kao,  Huan-Chin
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Kuo,  Chung-Yen
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Shum,  C. k
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Lan,  Wen-Hau
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Chang,  Tung-Chiung
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Lin,  Tsung-Yi
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Kao, H.-C., Kuo, C.-Y., Shum, C. k., Lan, W.-H., Chang, T.-C., Lin, T.-Y. (2023): Estimation of Regional Sea Level Change and Vertical Motion along the Arabian Peninsula by Satellite Altimetry and Tide Gauge Data, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3134


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020417
Abstract
The rapid rising sea levels and their associated adverse impacts on world’s coastal zones, where approximately 40% of the world's population resides within a 100-kilometer proximity to the coast, have become a subject of increasing global concern as sea level rises are projected to be worsen over time. One of the key conclusions from the latest Intergovernmental Panel on Climate Change (IPCC) Reports is that global sea level changes are experiencing marked acceleration and significant regional variability as a result of both climate change and local factors. Many countries located in the vicinity of the Arabian Peninsula are with low-lying coastal regions, making them highly vulnerable to the adverse effects of sea level rise, including saltwater intrusion and the threat of coastal flooding. It is imperative to assess the rate of sea level rise and its underlying determinants in the region. This study aimed to comprehend the sea level trend in the Arabian Peninsula by analyzing five tide gauge data obtained from the Permanent Service for Mean Sea Level along the coasts of the region and altimetry data from the Archiving, Validation, and Interpretation of Satellite Oceanographic and the Copernicus Climate Change Service for the period 1993-2020 and estimate the vertical land motions at the tide gauge station locations. An accurate determination of the regional relative sea level change allows allows evaluating potential flood patterns and developing long-term strategies for coastal management, and adaptation to the impacts of climate change.