Identifying and addressing the components of extreme physical-oceanographical events for improved risk management in coastal systems

Extreme physical-oceanographic events, such as marine heatwaves, fluvial floods, droughts and storm surges, have major impacts on local communities, economic sectors and ecosystems, and their frequency, intensity and duration increase due to climate change. There is a lack of understanding of the systemic drivers of extreme events as well as of their interconnected impacts on estuarine and coastal ecosystems. This knowledge is essential for assessing future impacts on ecosystem services and the local communities that depend on them, and to inform robust risk assessments and develop comprehensive risk management and adaptation strategies including early warning systems. Considering this, the German Alliance for Marine Research (DAM)-funded programme “ElbeXtreme” focuses on an integrated approach utilizing stakeholder engagement, data mining, experimental and field observations to develop novel observational and modelling approaches for assessing and monitoring risks in the Elbe estuary. The programme will deliver new insights into risks and impacts of extreme events in the estuarine system of the Elbe and the adjacent region of the North Sea (German Bight) to build a systemic risk understanding and support adaptation planning for local communities and ecosystems. Here we outline the rationale of the ElbeXtreme project and its planned activities, with the aim of stimulating national and international collaboration in tackling the urgent issue of marine and coastal risks.

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Publication Details

Journal
Frontiers in Marine Science
Published
2025-10-29
DOI
https://doi.org/10.3389/fmars.2025.1681652
Primary Topic
Flood Risk Assessment and Management
Type
article
Field-Weighted Citation Impact
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article

Identifying and addressing the components of extreme physical-oceanographical events for improved risk management in coastal systems

Carsten Lemmen, Ananya Ramesh, Saranya Jayachandran, Ingeborg Bussmann et al.
Frontiers in Marine Science
Flood Risk Assessment and Management
article

Identifying and addressing the components of extreme physical-oceanographical events for improved risk management in coastal systems

Carsten Lemmen, Ananya Ramesh, Saranya Jayachandran, Ingeborg Bussmann, Fabian Rackelmann, Viktoria Wichert, Kaveh Purkiani, Norbert Kamjunke, Philipp Fischer, Christian Siebert, Eric P. Achterberg, Holger Brix, Ovidio García-Oliva, Jack O’Connor, Jörn P. Scharsack, David M. Needham, Inna M. Sokolova, Xiangyü Li, Achim Kopf
article en

Abstract

Extreme physical-oceanographic events, such as marine heatwaves, fluvial floods, droughts and storm surges, have major impacts on local communities, economic sectors and ecosystems, and their frequency, intensity and duration increase due to climate change. There is a lack of understanding of the systemic drivers of extreme events as well as of their interconnected impacts on estuarine and coastal ecosystems. This knowledge is essential for assessing future impacts on ecosystem services and the local communities that depend on them, and to inform robust risk assessments and develop comprehensive risk management and adaptation strategies including early warning systems. Considering this, the German Alliance for Marine Research (DAM)-funded programme “ElbeXtreme” focuses on an integrated approach utilizing stakeholder engagement, data mining, experimental and field observations to develop novel observational and modelling approaches for assessing and monitoring risks in the Elbe estuary. The programme will deliver new insights into risks and impacts of extreme events in the estuarine system of the Elbe and the adjacent region of the North Sea (German Bight) to build a systemic risk understanding and support adaptation planning for local communities and ecosystems. Here we outline the rationale of the ElbeXtreme project and its planned activities, with the aim of stimulating national and international collaboration in tackling the urgent issue of marine and coastal risks.

Frontiers in Marine ScienceVol. 12
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung (DE), Helmholtz Centre for Environmental Research (DE), University of Bremen (DE), Federal Maritime and Hydrographic Agency of Germany (DE), Leibniz Institute for Baltic Sea Research Warnemünde (DE), GEOMAR Helmholtz Centre for Ocean Research Kiel (DE), Hochschule Bremerhaven (DE), Helmholtz-Zentrum Hereon (DE), Institute for Environment and Human Security (DE), University of Rostock (DE)
Openalex Percentile: Top 71%
Flood Risk Assessment and Management
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