Ocean Science
Ocean Science
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Articles | Volume 22, issue 5
Articles | Volume 22, issue 5
https://doi.org/10.5194/os-22-3499-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-22-3499-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 5
Research article
 | 
29 Oct 2026
Research article |  | 29 Oct 2026

A century of sea-level change in Ireland (1925–2024)

Patrick J. McLoughlin, Maeve Upton, Lionel D. Swan, Glenn Nolan, Kieran Hickey, Robin Edwards, Catherine O'Beirne, and Gerard D. McCarthy

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Latest update: 29 Oct 2026
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Short summary
This study reconstructs historical relative sea-level change across Ireland using tide-gauge and newly digitized data. Mean modelled RSL rates ranged from 0.74 mm yr⁻¹ at Belfast to 1.43 mm yr⁻¹ at Tarbert, with a network mean of 1.21 mm yr⁻¹ over 1925–2024. Rates increased from 0.59 mm yr⁻¹ (1925–2000) to 3.13 mm yr⁻¹ (2000–2024), highlighting accelerating sea-level change and coastal risk.
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