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Earthquake recurrence estimates for northern Caribbean faults from combinatorial optimization

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Woods Hole Coastal and Marine Science Center

2023 Annual Report

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Pragmatically mapping Phragmites with unoccupied aerial systems: A comparison of invasive species land cover classification using RGB and multispectral imagery

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Hydroacoustic observations reveal drivers of mixing and salinization of a karst subterranean estuary during intense precipitation

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Scientific literature and information products produced by Woods Hole Coastal and Marine Science Center staff

Featured Journal Article

Invasive Phragmites plants on the shore of a lake

Pragmatically mapping Phragmites with unoccupied aerial systems: A comparison of invasive species land cover classification using RGB and multispectral imagery

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Featured USGS Series

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Woods Hole Coastal and Marine Science Center—2023 Annual Report.  The 2023 annual report highlights accomplishments, includes a list of publications, and summarizes the work of the center and each of the science groups.

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Sound Waves

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Coastal and Marine Research News from Across the USGS

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Filter Total Items: 1737

Sediment budget estimates for a highly impacted embayment with extensive wetland loss Sediment budget estimates for a highly impacted embayment with extensive wetland loss

External sediment supply is an important control on wetland morphology and vulnerability to storms, sea-level rise, and land use change. Constraining sediment supply and net budgets is difficult due to multiple timescales of variability in hydrodynamic forcing and suspended-sediment concentrations, as well as the fundamental limitations of measurement and modeling technologies. We used...
Authors
Robert Chant, David K. Ralston, Neil K. Ganju, Casia Pianca, Amy Simonson, Richard Cartwright
By
Woods Hole Coastal and Marine Science Center

Changes in sediment source areas to the Amerasia Basin, Arctic Ocean, over the past 5.5 million years based on radiogenic isotopes (Sr, Nd, Pb) of detritus from ferromanganese crusts Changes in sediment source areas to the Amerasia Basin, Arctic Ocean, over the past 5.5 million years based on radiogenic isotopes (Sr, Nd, Pb) of detritus from ferromanganese crusts

Ferromanganese (FeMn) crusts provide a useful paleoenvironmental archive for studying the poorly understood climatic, oceanographic, and geologic evolution of the Arctic Ocean. This study is based on the identification and temporal reconstruction of sources and inferred transport pathways of terrigenous material in FeMn crusts collected from several sites across the Amerasia Basin...
Authors
Natalia Konstantinova, James R. Hein, Kira Mizell, Georgy Cherkashov, Brian Dreyer, Deborah Hutchinson
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center, Deep Sea Exploration, Mapping and Characterization

Gas hydrates in sustainable chemistry Gas hydrates in sustainable chemistry

Gas hydrates have received considerable attention due to their important role in flow assurance for the oil and gas industry, their extensive natural occurrence on Earth and extraterrestrial planets, and their significant applications in sustainable technologies including but not limited to gas and energy storage, gas separation, and water desalination. Given not only their inherent...
Authors
Aliakbar Hassanpouryouzband, Edris Joonaki, Mehrdad Vasheghani Farahania, Satoshi Takeya, Carolyn D. Ruppel, Jinhai Yang, Neill English, Judith Schicks, Katriona Edlmann, Hadi Mehrabian, Bahman Tohidi
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Mysterious tsunami in the Caribbean Sea following the 2010 Haiti earthquake possibly generated by dynamically triggered early aftershocks Mysterious tsunami in the Caribbean Sea following the 2010 Haiti earthquake possibly generated by dynamically triggered early aftershocks

Dynamically triggered offshore aftershocks, caused by passing seismic waves from main shocks located on land, are currently not considered in tsunami warnings. The M7.0 2010 Haiti earthquake epicenter was located on land 27 km north of the Caribbean Sea and its focal mechanism was oblique strike-slip. Nevertheless, a tsunami recorded on a Caribbean Deep-Ocean Assessment and Reporting of...
Authors
Uri S. ten Brink, Yong Wei, Wenyuan Fan, Jose-Luis Granja-Bruna, Nathaniel C. Miller
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

A non-linear relationship between marsh size and sediment trapping capacity compromises salt marshes’ resilience to sea-level rise A non-linear relationship between marsh size and sediment trapping capacity compromises salt marshes’ resilience to sea-level rise

Global assessments predict the impact of sea-level rise on salt marshes with present-day levels of sediment supply from rivers and the coastal ocean. However, these assessments do not consider that variations in marsh extent and the related reconfiguration of intertidal area affect local sediment dynamics, ultimately controlling the fate of the marshes themselves. We conducted a meta...
Authors
Carmine Donatelli, Xiaohe Zhang, Neil K. Ganju, Alfredo Aretxabaleta, Sergio Fagherazzi, Nicoletta Leonardi
By
Woods Hole Coastal and Marine Science Center

Timescales and processes of methane hydrate formation and breakdown, with application to geologic systems Timescales and processes of methane hydrate formation and breakdown, with application to geologic systems

Gas hydrate is an ice-like form of water and low molecular weight gas stable at temperatures of roughly -10ºC to 25ºC and pressures of ~3 to 30 MPa in geologic systems. Natural gas hydrates sequester an estimated one-sixth of Earth’s methane and are found primarily in deepwater marine sediments on continental margins, but also in permafrost areas and under continental ice sheets. When...
Authors
Carolyn D. Ruppel, William F. Waite
By
Woods Hole Coastal and Marine Science Center

Sediment transport in a restored, river-influenced Pacific Northwest estuary Sediment transport in a restored, river-influenced Pacific Northwest estuary

Predicting the success of future investments in coastal and estuarine ecosystem restorations is limited by scarce data quantifying sediment budgets and transport processes of prior restorations. This study provides detailed analyses of the hydrodynamics and sediment fluxes of a recently restored U.S. Pacific Northwest estuary, a 61 ha former agricultural area near the mouth of the...
Authors
Daniel J. Nowacki, Eric E. Grossman
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center

Subaqueous mass movements in the context of observations of contemporary slope failure Subaqueous mass movements in the context of observations of contemporary slope failure

The consequences of subaqueous landslides have been at the forefront of societal conscience more than ever in the last few years, with devastating and fatal events in the Indonesian Archipelago making global news. The new research presented in this volume demonstrates the breadth of ongoing investigation into subaqueous landslides, and shows that while events like the recent ones can be
Authors
J.J. Mountjoy, Aggeliki Georgiopoulou, Jason Chaytor, M.A. Clare, D. Gamboa, J. Moernaut
By
Woods Hole Coastal and Marine Science Center

Sediments and the sea floor of the continental shelves and coastal waters of the United States—About the usSEABED integrated sea-floor-characterization database, built with the dbSEABED processing system Sediments and the sea floor of the continental shelves and coastal waters of the United States—About the usSEABED integrated sea-floor-characterization database, built with the dbSEABED processing system

Since the second half of the 20th century, there has been an increase in scientific interest, research effort, and information gathered on the geologic sedimentary character of the continental margins of the United States. Data and information from thousands of sources have increased our scientific understanding of the character of the margin surface, but rarely have those data been...
Authors
Brian J. Buczkowski, Jane A. Reid, Chris J. Jenkins
By
Coastal and Marine Hazards and Resources Program, Pacific Coastal and Marine Science Center, St. Petersburg Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center, Deep Sea Exploration, Mapping and Characterization

Methane oxidation dynamics in a karst subterranean estuary Methane oxidation dynamics in a karst subterranean estuary

Chemical gradients between fresh, brackish and saline waters shape biogeochemical reactions and organic matter transformation within subterranean estuaries. In the Yucatán Peninsula’s karst subterranean estuary (KSE), methane and dissolved organic matter generated during the anaerobic decomposition of tropical forest vegetation are transported into flooded cave networks where microbial...
Authors
David Brankovits, John Pohlman
By
Woods Hole Coastal and Marine Science Center

Spatiotemporal variability of light attenuation and net ecosystem metabolism in a back-barrier estuary Spatiotemporal variability of light attenuation and net ecosystem metabolism in a back-barrier estuary

Quantifying system-wide biogeochemical dynamics and ecosystem metabolism in estuaries is often attempted using a long-term continuous record at a single site or short-term records at multiple sites due to sampling limitations that preclude long-term monitoring. However, differences in the dominant primary producer at a given location (e.g., phytoplankton versus benthic producers) control...
Authors
Neil Kamal Ganju, Jeremy Testa, Steven E. Suttles, Alfredo Aretxabaleta
By
Woods Hole Coastal and Marine Science Center

Surface methane concentrations along the mid-Atlantic bight driven by aerobic subsurface production rather than seafloor gas seeps Surface methane concentrations along the mid-Atlantic bight driven by aerobic subsurface production rather than seafloor gas seeps

Relatively minor amounts of methane, a potent greenhouse gas, are currently emitted from the oceans to the atmosphere, but such methane emissions have been hypothesized to increase as oceans warm. Here, we investigate the source, distribution, and fate of methane released from the upper continental slope of the U.S. Mid-Atlantic Bight, where hundreds of gas seeps have been discovered...
Authors
Mihai Leonte, Carolyn D. Ruppel, Angel Ruiz-Angelo, John D. Kessler
By
Woods Hole Coastal and Marine Science Center
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