Articles | Volume 18, issue 4
https://doi.org/10.5194/os-18-1203-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-18-1203-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Compound flooding in convergent estuaries: insights from an analytical model
Department of Civil and Environmental Engineering, Old Dominion University, Norfolk, VA, USA
Stefan A. Talke
Department of Civil and Environmental Engineering, California Polytechnic State University, San Luis Obispo, CA, USA
David A. Jay
Department of Civil and Environmental Engineering, Portland State University, Portland, OR, USA
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Ocean Sci., 22, 1681–1709, https://doi.org/10.5194/os-22-1681-2026, https://doi.org/10.5194/os-22-1681-2026, 2026
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Ocean tides are a critical component of the global climate system, influencing a wide range of geophysical processes. Tide gauges have been a valuable source for developing the theory of ocean tides and for understanding their variability. We provide updated and new insights on tidal properties using the Global Extreme Sea Level Analysis tide gauge dataset, intended to be useful to a range of applications, from navigation and fishing communities to ocean scientists and tidal experts.
Stefan A. Talke, David A. Jay, and Heida L. Diefenderfer
Hydrol. Earth Syst. Sci., 27, 2807–2826, https://doi.org/10.5194/hess-27-2807-2023, https://doi.org/10.5194/hess-27-2807-2023, 2023
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Archival measurements and a statistical model show that average water temperature in a major US West Coast river has increased by 1.8 °C since 1850, at a rate of 1.1 °C per century. The largest factor driving modeled changes are warming air temperatures (nearly 75 %). The remainder is primarily caused by depth increases and other modifications to the river system. Near-freezing conditions, common historically, no longer occur, and the number of warm water days has significantly increased.
Adam T. Devlin, David A. Jay, Stefan A. Talke, and Jiayi Pan
Ocean Sci., 19, 517–534, https://doi.org/10.5194/os-19-517-2023, https://doi.org/10.5194/os-19-517-2023, 2023
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Volcanic meteotsunamis (VMTs) are global with impacts dependent on local topography. The impacts of a volcanic meteotsunami may occur where the oceanic tsunami is not present. Tsunami warning systems do not consider VMTs which can arrive first and may be several meters for a large volcanic eruption at locations with ideal topographical or bathymetric conditions. Here, we analyzed this event using high-frequency tide gauge data along with deep-water buoys and air pressure gauges worldwide.
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Short summary
Storm surges, tides, and high river flows often combine to cause flooding in estuaries, a problem known as compound flooding. In this study, we investigate these factors and how changes to estuary and river geometry influence peak water levels. This study offers an analytical framework for reducing estuary flood risk via a better understanding of how bathymetry, surge timescale, and river discharge affect surge and tidal amplitudes and flood heights and inundation in these systems.
Storm surges, tides, and high river flows often combine to cause flooding in estuaries, a...