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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: 1725

Ephemerality of discrete methane vents in lake sediments

Methane is a potent greenhouse gas whose emission from sediments in inland waters and shallow oceans may both contribute to global warming and be exacerbated by it. The fraction of methane emitted by sediments that bypasses dissolution in the water column and reaches the atmosphere as bubbles depends on the mode and spatiotemporal characteristics of venting from the sediments. Earlier...
Authors
Benjamin P. Scandella, Liam Pillsbury, Thomas Weber, Carolyn Ruppel, Harold F. Hemond, Ruben Juanes
By
Woods Hole Coastal and Marine Science Center

Fines classification based on sensitivity to pore-fluid chemistry

The 75-μm particle size is used to discriminate between fine and coarse grains. Further analysis of fine grains is typically based on the plasticity chart. Whereas pore-fluid-chemistry-dependent soil response is a salient and distinguishing characteristic of fine grains, pore-fluid chemistry is not addressed in current classification systems. Liquid limits obtained with electrically...
Authors
Junbong Jang, J. Carlos Santamarina
By
Woods Hole Coastal and Marine Science Center

Evaluation of dynamic coastal response to sea-level rise modifies inundation likelihood

Sea-level rise (SLR) poses a range of threats to natural and built environments1, 2, making assessments of SLR-induced hazards essential for informed decision making3. We develop a probabilistic model that evaluates the likelihood that an area will inundate (flood) or dynamically respond (adapt) to SLR. The broad-area applicability of the approach is demonstrated by producing 30 × 30 m...
Authors
Erika Lentz, E. Robert Thieler, Nathaniel G. Plant, Sawyer R. Stippa, Radley W. Horton, Dean B. Gesch
By
Climate Adaptation Science Centers, Earth Resources Observation and Science (EROS) Center , Woods Hole Coastal and Marine Science Center, Coastal Changes and Impacts

Metapopulation viability of an endangered shorebird depends on dispersal and human-created habitats: Piping plovers (Charadrius melodus) and prairie rivers

Background Many species are distributed as metapopulations in dynamic landscapes, where habitats change through space and time. Individuals locate habitat through dispersal, and the relationship between a species and landscape characteristics can have profound effects on population persistence. Despite the importance of connectivity in dynamic environments, few empirical studies have...
Authors
Daniel H. Catlin, Sara Lynn Zeigler, M. Bomberger Brown, Lauren R. Dinan, James E. Fraser, Kelsi L. Hunt, Joel G. Jorgensen
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Assessment of canyon wall failure process from multibeam bathymetry and Remotely Operated Vehicle (ROV) observations, U.S. Atlantic continental margin

Over the last few years, canyons along the northern U.S. Atlantic continental margin have been the focus of intensive research examining canyon evolution, submarine geohazards, benthic ecology and deep-sea coral habitat. New high-resolution multibeam bathymetry and Remotely Operated Vehicle (ROV) dives in the major shelf-breaching and minor slope canyons, provided the opportunity to...
Authors
Jason Chaytor, Amanda W.J. Demopoulos, Uri S. ten Brink, Christopher D. P. Baxter, Andrea Quattrini, Daniel Brothers
By
Ecosystems Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Progress and challenges in coupled hydrodynamic-ecological estuarine modeling

Numerical modeling has emerged over the last several decades as a widely accepted tool for investigations in environmental sciences. In estuarine research, hydrodynamic and ecological models have moved along parallel tracks with regard to complexity, refinement, computational power, and incorporation of uncertainty. Coupled hydrodynamic-ecological models have been used to assess...
Authors
Neil Kamal Ganju, Mark J. Brush, Brenda Rashleigh, Alfredo Aretxabaleta, Pilar del Barrio, Jason S. Grear, Lora A. Harris, Samuel J. Lake, Grant McCardell, James E. O'Donnell, David K. Ralston, Richard P. Signell, Jeremy M. Testa, Jamie MP Vaudrey
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Observations of recruitment and colonization by tunicates and associated invertebrates using giant one-meter2 recruitment plates at Woods Hole, Massachusetts

Large recruitment plates measuring 1 × 1 m were deployed over an 18-month period from September 2013 to March 2015 for the purpose of documenting recruitment and colonization processes of marine invertebrate species at Woods Hole, Massachusetts. Each side of two plates was subdivided into 16 subareas (25 × 25 cm), and an observational strategy was developed whereby, at approximately two...
Authors
Page C. Valentine, M.R. Carman, Dann S. Blackwood
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Estimating time-dependent connectivity in marine systems

Hydrodynamic connectivity describes the sources and destinations of water parcels within a domain over a given time. When combined with biological models, it can be a powerful concept to explain the patterns of constituent dispersal within marine ecosystems. However, providing connectivity metrics for a given domain is a three-dimensional problem: two dimensions in space to define the...
Authors
Zafer Defne, Neil Kamal Ganju, Alfredo Aretxabaleta
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center, Hurricane Sandy

Colored dissolved organic matter in shallow estuaries: relationships between carbon sources and light attenuation

Light availability is of primary importance to the ecological function of shallow estuaries. For example, benthic primary production by submerged aquatic vegetation is contingent upon light penetration to the seabed. A major component that attenuates light in estuaries is colored dissolved organic matter (CDOM). CDOM is often measured via a proxy, fluorescing dissolved organic matter...
Authors
W.K. Oestreich, Neil Kamal Ganju, John W. Pohlman, Steven E. Suttles
By
Woods Hole Coastal and Marine Science Center

Assessing the impact of Hurricanes Irene and Sandy on the morphology and modern sediment thickness on the inner continental shelf offshore of Fire Island, New York

This report documents the changes in seabed morphology and modern sediment thickness detected on the inner continental shelf offshore of Fire Island, New York, before and after Hurricanes Irene and Sandy made landfall. Comparison of acoustic backscatter imagery, seismic-reflection profiles, and bathymetry collected in 2011 and in 2014 show that sedimentary structures and depositional...
Authors
William C. Schwab, Wayne E. Baldwin, Jane F. Denny
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center, Hurricane Sandy, Hurricanes

Bathymetric terrain model of the Atlantic margin for marine geological investigations

A bathymetric terrain model of the Atlantic margin covering almost 725,000 square kilometers of seafloor from the New England Seamounts in the north to the Blake Basin in the south is compiled from existing multibeam bathymetric data for marine geological investigations. Although other terrain models of the same area are extant, they are produced from either satellite-derived bathymetry...
Authors
Brian D. Andrews, Jason Chaytor, Uri S. ten Brink, Daniel Brothers, James V. Geological Survey (U.S.) Gardner, Elizabeth A. Lobecker, Brian R. Calder
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

Seismic velocities within the sedimentary succession of the Canada Basin and southern Alpha-Mendeleev Ridge, Arctic Ocean: evidence for accelerated porosity reduction?

The Canada Basin and the southern Alpha-Mendeleev ridge complex underlie a significant proportion of the Arctic Ocean, but the geology of this undrilled and mostly ice-covered frontier is poorly known. New information is encoded in seismic wide-angle reflections and refractions recorded with expendable sonobuoys between 2007 and 2011. Velocity–depth samples within the sedimentary...
Authors
John W. Shimeld, Qingmou Li, Deping Chian, Nina Lebedeva-Ivanova, Ruth Jackson, David C. Mosher, Deborah Hutchinson
By
Woods Hole Coastal and Marine Science Center
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