Recent Baltic Sea storm surge events from a climate perspective
<p>Three storm surge events with return periods between 10 and 100 years have occurred in the western Baltic Sea in recent years (2017, 2019 and 2023). While in most cases such surge events are associated with high wind speeds, two of the three events occurred at relatively moderate wind speed...
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Copernicus Publications
2025-07-01
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| Series: | Natural Hazards and Earth System Sciences |
| Online Access: | https://nhess.copernicus.org/articles/25/2137/2025/nhess-25-2137-2025.pdf |
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| author | N. Groll L. Gaslikova R. Weisse |
| author_facet | N. Groll L. Gaslikova R. Weisse |
| author_sort | N. Groll |
| collection | DOAJ |
| description | <p>Three storm surge events with return periods between 10 and 100 years have occurred in the western Baltic Sea in recent years (2017, 2019 and 2023). While in most cases such surge events are associated with high wind speeds, two of the three events occurred at relatively moderate wind speeds. The events are analysed and decomposed into the contributions from different factors, such as direct atmospheric effects or prefilling of the Baltic Sea, which can lead to such extreme water levels. A numerical hindcast is used to place the events and their contributing components into a climate perspective. While the absolute water levels were among the highest in recent decades, the individual contributions of the direct atmospheric effects as well as prefilling were not unusual for two of the three events and rather a combination of atmospherically induced water level changes and prefilling caused such prominent extreme events. Although the perceived increased frequency of the events may indicate a relation to climate change, the individual contributions were within the range of climate variability observed in recent decades.</p> |
| format | Article |
| id | doaj-art-b2e056a408ae412c96298bc4e33b4d80 |
| institution | Kabale University |
| issn | 1561-8633 1684-9981 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Natural Hazards and Earth System Sciences |
| spelling | doaj-art-b2e056a408ae412c96298bc4e33b4d802025-08-20T03:29:18ZengCopernicus PublicationsNatural Hazards and Earth System Sciences1561-86331684-99812025-07-01252137215410.5194/nhess-25-2137-2025Recent Baltic Sea storm surge events from a climate perspectiveN. Groll0L. Gaslikova1R. Weisse2Institute of Coastal Systems - Analysis and Modeling, Helmholtz-Zentrum Hereon, 21502 Geesthacht, GermanyInstitute of Coastal Systems - Analysis and Modeling, Helmholtz-Zentrum Hereon, 21502 Geesthacht, GermanyInstitute of Coastal Systems - Analysis and Modeling, Helmholtz-Zentrum Hereon, 21502 Geesthacht, Germany<p>Three storm surge events with return periods between 10 and 100 years have occurred in the western Baltic Sea in recent years (2017, 2019 and 2023). While in most cases such surge events are associated with high wind speeds, two of the three events occurred at relatively moderate wind speeds. The events are analysed and decomposed into the contributions from different factors, such as direct atmospheric effects or prefilling of the Baltic Sea, which can lead to such extreme water levels. A numerical hindcast is used to place the events and their contributing components into a climate perspective. While the absolute water levels were among the highest in recent decades, the individual contributions of the direct atmospheric effects as well as prefilling were not unusual for two of the three events and rather a combination of atmospherically induced water level changes and prefilling caused such prominent extreme events. Although the perceived increased frequency of the events may indicate a relation to climate change, the individual contributions were within the range of climate variability observed in recent decades.</p>https://nhess.copernicus.org/articles/25/2137/2025/nhess-25-2137-2025.pdf |
| spellingShingle | N. Groll L. Gaslikova R. Weisse Recent Baltic Sea storm surge events from a climate perspective Natural Hazards and Earth System Sciences |
| title | Recent Baltic Sea storm surge events from a climate perspective |
| title_full | Recent Baltic Sea storm surge events from a climate perspective |
| title_fullStr | Recent Baltic Sea storm surge events from a climate perspective |
| title_full_unstemmed | Recent Baltic Sea storm surge events from a climate perspective |
| title_short | Recent Baltic Sea storm surge events from a climate perspective |
| title_sort | recent baltic sea storm surge events from a climate perspective |
| url | https://nhess.copernicus.org/articles/25/2137/2025/nhess-25-2137-2025.pdf |
| work_keys_str_mv | AT ngroll recentbalticseastormsurgeeventsfromaclimateperspective AT lgaslikova recentbalticseastormsurgeeventsfromaclimateperspective AT rweisse recentbalticseastormsurgeeventsfromaclimateperspective |