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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

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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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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

Seismic velocities within the sedimentary succession of the Canada Basin and southern Alpha-Mendeleev Ridge, Arctic Ocean: evidence for accelerated porosity reduction? 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 Shimeld, Qingmou Li, Deping Chian, Nina Lebedeva-Ivanova, Ruth Jackson, David Mosher, Deborah R. Hutchinson
By
Woods Hole Coastal and Marine Science Center

Surficial geology and shaded seafloor relief of Georges Bank, Fundian Channel and Northeast Channel, Gulf of Maine Surficial geology and shaded seafloor relief of Georges Bank, Fundian Channel and Northeast Channel, Gulf of Maine

Georges Bank is a shallow submarine bank that lies south of Nova Scotia and east of Cape Cod and bounds the seaward side of the Gulf of Maine. The international boundary between Canada and the United States transects the bank, and the eastern part of the bank (~7500 square kilometres) lies in Canadian territory. This map shows the surficial geology of a part of Georges Bank at a scale of...
Authors
B.J. Todd, Page C. Valentine
By
Woods Hole Coastal and Marine Science Center

Coastal landforms and processes at the Cape Cod National Seashore, Massachusetts—A primer Coastal landforms and processes at the Cape Cod National Seashore, Massachusetts—A primer

Anyone who spends more than a few days on Cape Cod (the Cape) quickly becomes a coastal geologist, quickly learning the rhythms of daily tides and the seasonal cycles of beaches growing and being swept away by storms; swimmers and surfers track how the breakers appear, and dog-walkers notice the hard-packed sand blanketed overnight by an airy layer that leaves deep labored tracks...
Authors
Graham S. Giese, S. Jeffress Williams, Mark Adams
By
Woods Hole Coastal and Marine Science Center

Using a Bayesian network to predict barrier island geomorphologic characteristics Using a Bayesian network to predict barrier island geomorphologic characteristics

Quantifying geomorphic variability of coastal environments is important for understanding and describing the vulnerability of coastal topography, infrastructure, and ecosystems to future storms and sea level rise. Here we use a Bayesian network (BN) to test the importance of multiple interactions between barrier island geomorphic variables. This approach models complex interactions and...
Authors
Benjamin T. Gutierrez, Nathaniel G. Plant, E. Robert Thieler, Aaron Turecek
By
Woods Hole Coastal and Marine Science Center

Quantifying the residence time and flushing characteristics of a shallow, back-barrier estuary: Application of hydrodynamic and particle tracking models Quantifying the residence time and flushing characteristics of a shallow, back-barrier estuary: Application of hydrodynamic and particle tracking models

Estuarine residence time is a major driver of eutrophication and water quality. Barnegat Bay-Little Egg Harbor (BB-LEH), New Jersey, is a lagoonal back-barrier estuary that is subject to anthropogenic pressures including nutrient loading, eutrophication, and subsequent declines in water quality. A combination of hydrodynamic and particle tracking modeling was used to identify the...
Authors
Zafer Defne, Neil K. Ganju
By
Woods Hole Coastal and Marine Science Center

Sea-floor texture and physiographic zones of the inner continental shelf from Salisbury to Nahant, Massachusetts, including the Merrimack Embayment and Western Massachusetts Bay Sea-floor texture and physiographic zones of the inner continental shelf from Salisbury to Nahant, Massachusetts, including the Merrimack Embayment and Western Massachusetts Bay

A series of maps that describe the distribution and texture of sea-floor sediments and physiographic zones of Massachusetts State waters from Nahant to Salisbury, Massachusetts, including western Massachusetts Bay, have been produced by using high-resolution geophysical data (interferometric and multibeam swath bathymetry, lidar bathymetry, backscatter intensity, and seismic reflection...
Authors
Elizabeth E. Pendleton, Walter A. Barnhardt, Wayne E. Baldwin, David S. Foster, William C. Schwab, Brian D. Andrews, Seth D. Ackerman
By
Woods Hole Coastal and Marine Science Center

Sediment transport-based metrics of wetland stability Sediment transport-based metrics of wetland stability

Despite the importance of sediment availability on wetland stability, vulnerability assessments seldom consider spatiotemporal variability of sediment transport. Models predict that the maximum rate of sea level rise a marsh can survive is proportional to suspended sediment concentration (SSC) and accretion. In contrast, we find that SSC and accretion are higher in an unstable marsh than...
Authors
Neil K. Ganju, Matthew L. Kirwan, Patrick J. Dickhudt, Glenn R. Guntenspergen, Donald R. Cahoon, Kevin D. Kroeger
By
Woods Hole Coastal and Marine Science Center

Preface to the special issue on gas hydrate drilling in the Eastern Nankai Trough Preface to the special issue on gas hydrate drilling in the Eastern Nankai Trough

Methane hydrate traps enormous amounts of methane in frozen deposits in continental margin sediments, and these deposits have long been targeted for studies investigating their potential as an energy resource. As a concentrated form of methane that occurs at shallower depths than conventional and most unconventional gas reservoirs, methane hydrates could be a readily accessible source of
Authors
Koji Yamamoto, Carolyn D. Ruppel
By
Woods Hole Coastal and Marine Science Center

Hydro-bio-geomechanical properties of hydrate-bearing sediments from Nankai Trough Hydro-bio-geomechanical properties of hydrate-bearing sediments from Nankai Trough

Natural hydrate-bearing sediments from the Nankai Trough, offshore Japan, were studied using the Pressure Core Characterization Tools (PCCTs) to obtain geomechanical, hydrological, electrical, and biological properties under in situ pressure, temperature, and restored effective stress conditions. Measurement results, combined with index-property data and analytical physics-based models...
Authors
J.C. Santamarina, Shifeng Dai, M. Terzariol, Jeonghwan Jang, William F. Waite, William J. Winters, J. Nagao, J. Yoneda, Y. Konno, T. Fujii, K. Suzuki
By
Woods Hole Coastal and Marine Science Center

Sea-floor morphology and sedimentary environments in southern Narragansett Bay, Rhode Island Sea-floor morphology and sedimentary environments in southern Narragansett Bay, Rhode Island

Multibeam echosounder data collected by the National Oceanic and Atmospheric Administration along with sediment samples and still and video photography of the sea floor collected by the U.S. Geological Survey were used to interpret sea-floor features and sedimentary environments in southern Narragansett Bay, Rhode Island, as part of a long-term effort to map the sea floor along the...
Authors
Katherine Y. McMullen, Lawrence J. Poppe, Dann S. Blackwood, Matthew J. Nardi, Matthew A. Andring
By
Woods Hole Coastal and Marine Science Center

Summary of oceanographic measurements for characterizing light attenuation and sediment resuspension in the Barnegat Bay-Little Egg Harbor Estuary, New Jersey, 2013 Summary of oceanographic measurements for characterizing light attenuation and sediment resuspension in the Barnegat Bay-Little Egg Harbor Estuary, New Jersey, 2013

The U.S. Geological Survey, in cooperation with the New Jersey Department of Environmental Protection, measured suspended-sediment concentrations, currents, waves, light attenuation, and a variety of other water-quality parameters in the summer of 2013 in Barnegat Bay-Little Egg Harbor, New Jersey. These measurements quantified light attenuation and sediment resuspension in three...
Authors
Patrick J. Dickhudt, Neil K. Ganju, Ellyn T. Montgomery
By
Woods Hole Coastal and Marine Science Center

Collections management plan for the U.S. Geological Survey Woods Hole Coastal and Marine Science Center Data Library Collections management plan for the U.S. Geological Survey Woods Hole Coastal and Marine Science Center Data Library

The U.S. Geological Survey Woods Hole Coastal and Marine Science Center has created a Data Library to organize, preserve, and make available the field, laboratory, and modeling data collected and processed by Woods Hole Coastal and Marine Science Center staff. This Data Library supports current research efforts by providing unique, historic datasets with accompanying metadata. The Woods...
Authors
Kelleen M. List, Brian J. Buczkowski, Linda P. McCarthy, Alice M. Orton
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center
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