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Filter Total Items: 1440
Hybrid coral reef restoration can be a cost-effective nature-based solution to provide protection to vulnerable coastal populations Hybrid coral reef restoration can be a cost-effective nature-based solution to provide protection to vulnerable coastal populations
Coral reefs can mitigate flood damages by providing protection to tropical coastal communities whose populations are dense, growing fast, and have predominantly lower-middle income. This study provides the first fine-scale, regionally modeled valuations of how flood risk reductions associated with hybrid coral reef restoration could benefit people, property, and economic activity along...
Authors
Curt D. Storlazzi, Borja Reguero, Kristen C. Alkins, James B. Shope, Aaron Cole, Camila Gaido-Lassarre, Shay Viehman, Michael W. Beck
Post-fire sediment yield from a western Sierra Nevada watershed burned by the 2021 Caldor Fire Post-fire sediment yield from a western Sierra Nevada watershed burned by the 2021 Caldor Fire
Watershed sediment yield commonly increases after wildfire, often causing negative impacts to downstream infrastructure and water resources. Post-fire erosion is important to understand and quantify because it is increasingly placing water supplies, habitat, communities, and infrastructure at risk as fire regimes intensify in a warming climate. However, measurements of post-fire sediment
Authors
Amy E. East, Joshua B. Logan, Peter Dartnell, Helen Willemien Dow, Donald N. Lindsay, David B. Cavagnaro
Shoreline change of western Long Island, New York, from satellite-derived shorelines Shoreline change of western Long Island, New York, from satellite-derived shorelines
Shoreline measurement techniques using satellite-derived imagery can provide decades of observations of shoreline change. Here we apply these techniques to the western south shore of Long Island, New York, which has three distinct beaches, Rockaway Peninsula, Long Beach, and Jones Beach Island, which are 18, 15, and 24 km in length, respectively. These beaches are recreation areas for...
Authors
Catherine N. Janda, Jonathan A. Warrick, Daniel D. Buscombe, Sharon F. Batiste
Tsunami and seiche hazards in site evaluation for nuclear installations Tsunami and seiche hazards in site evaluation for nuclear installations
No abstract available.
Authors
Intenational Atomic Energy Agency, Eric L. Geist
Unravelling equilibrium shoreline response to waves and sea-level rise: Numerical modelling of laboratory experiments Unravelling equilibrium shoreline response to waves and sea-level rise: Numerical modelling of laboratory experiments
Knowledge gaps in the physics of shoreline response to the combined action of waves and sea-level rise (SLR) make long-term shoreline projections uncertain. The lack of sufficiently long-term shoreline data partly hinders a better understanding of shoreline change driven by SLR. Thereby, existing formulations related to the equilibrium approach, which states that a beach profile shape...
Authors
Maurizio D’Anna, Francesca Ribas, Albert Falques, Daniel Calvete, Giovanni Coco, Sean Vitousek, Marissa Yates
Climate-driven waterline variability along the North American West Coast Climate-driven waterline variability along the North American West Coast
Sandy coasts are highly dynamic environments shaped by a myriad of hydro-sedimentary processes operating across various spatio-temporal scales. From seasonal to centennial timescales, sandy beach dynamics are strongly influenced by climate variability expressed in various forms, including seasonal cycles, climate modes (e.g., El Niño Southern Oscillation (ENSO)), and global warming...
Authors
Marcan Graffin, Rafael Almar, Erwin Bergsma, Julien Boucharel, Sean Vitousek, Mohsen Taherkhani, Peter Ruggiero
Sensitivity analysis of a dynamic vegetation-sediment transport model using equadratures: Exploring inorganic accretion on a marsh platform Sensitivity analysis of a dynamic vegetation-sediment transport model using equadratures: Exploring inorganic accretion on a marsh platform
Salt marsh systems require a net import of inorganic sediment to maintain their structure in response to sea‐level rise. Marshes are affected by physical processes including tides, waves, sediment transport, and the influence of vegetation, and these processes interact in complex ways leading to sediment accretion or erosion. We implement a 3‐D hydrodynamic sediment transport model in an...
Authors
Rachel Allen, Neil K. Ganju, Tarandeep Kalra, Alfredo Aretxabaleta, Jessica R. Lacy
Hurricane wave energy dissipation and wave-driven currents over a fringing reef Hurricane wave energy dissipation and wave-driven currents over a fringing reef
In 2018, two successive tropical cyclones, Hurricane Hector and Hurricane Lane, generated waves that impacted the Hawaiian Islands. This study investigates wave breaking over a broad fringing reef and aims to quantify the magnitudes and length scales of the corresponding wave-driven circulation using detailed field observations and numerical models corresponding to these wave events...
Authors
Zoe Zimmerman, Ryan Mulligan, Curt D. Storlazzi
Seasonal and spatial patterns in sediment transport in an erosional marsh system Seasonal and spatial patterns in sediment transport in an erosional marsh system
Salt marshes provide expansive ecosystem services to coastal regions, including serving as bird and fish habitat, providing flood protection, and sequestering carbon and toxins (Barbier et al. 2011). While marshes are naturally dynamic, they are undergoing net loss in the 21st century largely due to lateral erosion (Camp- bell et al. 2022). In regions where marsh migration is constrained...
Authors
Lukas T. WinklerPrins, Jessica R. Lacy, Mark T. Stacey, Karen M. Thorne
International Ocean Discovery Program Expedition 389 preliminary report: Hawaiian drowned reefs International Ocean Discovery Program Expedition 389 preliminary report: Hawaiian drowned reefs
Our understanding of the mechanisms controlling eustatic sea level and global climate changes has been hampered by a lack of appropriate fossil coral records over the last 500 ky, particularly into and out of the glacial periods. This problem was addressed by International Ocean Discovery Program Expedition 389 by drilling a unique succession of Hawaiian drowned coral reefs now at 110...
Authors
Jody M. Webster, Ana Christina Ravelo, Hannah L.J. Grant, Margaret Stewart, M. Rydzy, Erwan Le Ber, Nicola Allison, Brian Boston, Juan Carlos Braga, Logan Brenner, Xuefei Chen, Peter Chutcharavan, Andrea Dutton, Thomas Felis, Naoto Fukuyo, Eberhard Gischler, Sahra Greve, Amy Hagen, Youri Hamon, Ed Hathorne, Marc Humblet, Stephan Jorry, Pankaj Khanna, Helen V. McGregor, Richard A. Mortlock, Ulrike Prange, Theresa Nohl, Donald Potts, Ana Prohaska, Nancy G. Prouty, Willem Renema, Kenna Rubin, Hildegard Westphal, Yusuke Yokoyama, Marley Parker
Predicted exposure of communities in southeastern United States to climate-related coastal hazards Predicted exposure of communities in southeastern United States to climate-related coastal hazards
A rigorous analysis of 21st Century multi-hazard exposure for U.S. Southeast Atlantic coastal communities indicates that up to 70% of residents will be exposed daily to shallow and emerging groundwater by ~2100, 15 times higher than from surficial flooding alone. This threat further exacerbates other coastal stressors, such as flooding, subsidence, and beach erosion, that impact these...
Authors
Patrick L. Barnard, Peter W Swarzenski
Constraining the earthquake recording threshold of intraslab earthquakes with turbidites in southcentral Alaska’s lakes and fjords Constraining the earthquake recording threshold of intraslab earthquakes with turbidites in southcentral Alaska’s lakes and fjords
Strong ground motion from intraslab earthquakes, which do not produce primary paleoseismic evidence, may initiate gravity-driven turbidity flows in subaqueous basins. The resulting deposits (turbidites) can provide a paleoseismic proxy if the conditions that initiate these flows are known. To better constrain the initiating conditions, we use two recent intraslab earthquakes in...
Authors
Drake Moore Singleton, Daniel S. Brothers, Peter J. Haeussler, Robert C. Witter, Jenna C. Hill