Articles | Volume 26, issue 3
https://doi.org/10.5194/nhess-26-1397-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-26-1397-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The role of El Niño Southern Oscillation in driving coastal hazards in the U.S. Pacific Northwest
College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
Peter Ruggiero
College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
Laura Cagigal
Departamento Ciencias y Tecnicas del Agua y del Medio Ambiente, Universidad de Cantabria, Santander, Spain
Dylan Anderson
Coastal Hydraulics Laboratory, U.S. Army Engineer Research and Development Center, Duck, NC, USA
Fernando Mendez
Departamento Ciencias y Tecnicas del Agua y del Medio Ambiente, Universidad de Cantabria, Santander, Spain
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Leigh Richard MacPherson, Arne Arns, Svenja Fischer, Fernando Javier Méndez, and Jürgen Jensen
Nat. Hazards Earth Syst. Sci., 23, 3685–3701, https://doi.org/10.5194/nhess-23-3685-2023, https://doi.org/10.5194/nhess-23-3685-2023, 2023
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Efficient adaptation planning for coastal flooding caused by extreme sea levels requires accurate assessments of the underlying hazard. Tide-gauge data alone are often insufficient for providing the desired accuracy but may be supplemented with historical information. We estimate extreme sea levels along the German Baltic coast and show that relying solely on tide-gauge data leads to underestimations. Incorporating historical information leads to improved estimates with reduced uncertainties.
Chuan Li, H. Tuba Özkan-Haller, Gabriel García Medina, Robert A. Holman, Peter Ruggiero, Treena M. Jensen, David B. Elson, and William R. Schneider
Nat. Hazards Earth Syst. Sci., 23, 107–126, https://doi.org/10.5194/nhess-23-107-2023, https://doi.org/10.5194/nhess-23-107-2023, 2023
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In this work, we examine a set of observed extreme, non-earthquake-related and non-landslide-related wave runup events. Runup events with similar characteristics have previously been attributed to trapped waves, atmospheric disturbances, and abrupt breaking of long waves. However, we find that none of these mechanisms were likely at work in the observations we examined. We show that instead, these runup events were more likely due to energetic growth of bound infragravity waves.
Leigh R. MacPherson, Arne Arns, Svenja Fischer, Fernando J. Méndez, and Jürgen Jensen
Nat. Hazards Earth Syst. Sci. Discuss., https://doi.org/10.5194/nhess-2021-406, https://doi.org/10.5194/nhess-2021-406, 2022
Preprint withdrawn
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Extreme sea levels represent one of the most damaging natural hazards due to their potential to cause flooding. We developed a new method which incorporates historical information with systematically recorded sea levels, leading to improved estimates of extreme sea levels with reduced uncertainties. Such information helps to improve coastal flood risk analyses, which in turn allows for more efficient planning of coastal protection measures.
Michael Itzkin, Laura J. Moore, Peter Ruggiero, Sally D. Hacker, and Reuben G. Biel
Earth Surf. Dynam., 9, 1223–1237, https://doi.org/10.5194/esurf-9-1223-2021, https://doi.org/10.5194/esurf-9-1223-2021, 2021
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Studies of the impact of storms on dunes typically focus on the importance of dune elevation,
here we analyze the protective services offered by the dune height and width, the morphology
of the beach fronting the dune, and artificial dune construction via the use of sand fences.
We find that dune volume loss most strongly correlates to beach width rather than dune shape,
although when beach width is controlled for low and wide dunes offer greater protection than
tall and narrow dunes.
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Short summary
This paper investigates the relationship between El Niño Southern Oscillation (ENSO) and coastal hazard risk in the U.S. Pacific Northwest (PNW) using probabilistic simulations of climate patterns, weather patterns, and coastal hazard drivers. Results indicate there is a weaker relationship between ENSO and PNW coastal hazard risk than suggested by observations. These findings advance understanding of ENSO dynamics and support climate-informed hazard management.
This paper investigates the relationship between El Niño Southern Oscillation (ENSO) and coastal...
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