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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

Relative gas volume ratios for free gas and gas hydrate accumulations Relative gas volume ratios for free gas and gas hydrate accumulations

No abstract available.
Authors
Ray Boswell, Timothy S Collett, Brian Anderson, Carolyn Ruppel
By
Woods Hole Coastal and Marine Science Center

Coastal vulnerability assessment of the Northern Gulf of Mexico to sea-level rise and coastal change Coastal vulnerability assessment of the Northern Gulf of Mexico to sea-level rise and coastal change

A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise along the Northern Gulf of Mexico from Galveston, TX, to Panama City, FL. The CVI ranks the following in terms of their physical contribution to sea-level rise-related coastal change: geomorphology, regional coastal slope, rate of relative sea-level rise, historical...
Authors
E.A. Pendleton, J.A. Barras, S.J. Williams, D.C. Twichell
By
Woods Hole Coastal and Marine Science Center

Parametric study of the physical properties of hydrate‐bearing sand, silt, and clay sediments: 2. Small‐strain mechanical properties Parametric study of the physical properties of hydrate‐bearing sand, silt, and clay sediments: 2. Small‐strain mechanical properties

The small‐strain mechanical properties (e.g., seismic velocities) of hydrate‐bearing sediments measured under laboratory conditions provide reference values for calibration of logging and seismic exploration results acquired in hydrate‐bearing formations. Instrumented cells were designed for measuring the compressional (P) and shear (S) velocities of sand, silts, and clay with and...
Authors
J.Y. Lee, F.M. Francisca, J.C. Santamarina, C. Ruppel
By
Woods Hole Coastal and Marine Science Center

Chemical and isotopic signature of bulk organic matter and hydrocarbon biomarkers within mid-slope accretionary sediments of the northern Cascadia margin gas hydrate system Chemical and isotopic signature of bulk organic matter and hydrocarbon biomarkers within mid-slope accretionary sediments of the northern Cascadia margin gas hydrate system

The chemical and isotopic compositions of sedimentary organic matter (SOM) from two mid-slope sites of the northern Cascadia margin were investigated during Integrated Ocean Drilling Program (IODP) Expedition 311 to elucidate the organic matter origins and identify potential microbial contributions to SOM. Gas hydrate is present at both locations (IODP Sites U1327 and U1328), with...
Authors
Masanori Kaneko, Hiroshi Shingai, John W. Pohlman, Hiroshi Naraoka
By
Woods Hole Coastal and Marine Science Center

Tectonic controls on nearshore sediment accumulation and submarine canyon morphology offshore La Jolla, Southern California Tectonic controls on nearshore sediment accumulation and submarine canyon morphology offshore La Jolla, Southern California

CHIRP seismic and swath bathymetry data acquired offshore La Jolla, California provide an unprecedented three-dimensional view of the La Jolla and Scripps submarine canyons. Shore-parallel patterns of tectonic deformation appear to control nearshore sediment thickness and distribution around the canyons. These shore-parallel patterns allow the impact of local tectonic deformation to be...
Authors
Nicolas Le Dantec, Leah J. Hogarth, Neal W. Driscoll, Jeffrey M. Babcock, Walter A. Barnhardt, William C. Schwab
By
Woods Hole Coastal and Marine Science Center

High resolution near-bed observations in winter near Cape Hatteras, North Carolina High resolution near-bed observations in winter near Cape Hatteras, North Carolina

The U.S. Geological Survey (USGS) Coastal and Marine Science Center in Woods Hole, Massachusetts, is leading an effort to understand the regional sediment dynamics along the coastline of North and South Carolina. As part of the Carolinas Coastal Change Processes Project, a geologic framework study in June of 2008 by the Woods Hole Coastal and Marine Science Center's Sea Floor Mapping...
Authors
Marinna A. Martini, Brandy N. Armstrong, John C. Warner
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Reconnaissance dating: a new radiocarbon method applied to assessing the temporal distribution of Southern Ocean deep-sea corals Reconnaissance dating: a new radiocarbon method applied to assessing the temporal distribution of Southern Ocean deep-sea corals

We have developed a rapid 'reconnaissance' method of preparing graphite for 14C/12C analysis. Carbonate (~15 mg) is combusted using an elemental analyzer and the resulting CO2 is converted to graphite using a sealed tube zinc reduction method. Over 85% (n=45 replicates on twenty-one individual corals) of reconnaissance ages measured on corals ranging in age from 500 to 33,000 radiocarbon...
Authors
Andrea Burke, Laura F. Robinson, Ann P. McNichol, William J. Jenkins, Kathryn M. Scanlon, Dana S. Gerlach
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

NetCDF-CF-OPeNDAP: Standards for ocean data interoperability and object lessons for community data standards processes NetCDF-CF-OPeNDAP: Standards for ocean data interoperability and object lessons for community data standards processes

It is generally recognized that meeting society's emerging environmental science and management needs will require the marine data community to provide simpler, more effective and more interoperable access to its data. There is broad agreement, as well, that data standards are the bedrock upon which interoperability will be built. The path that would bring the marine data community to...
Authors
Steven C. Hankin, Jon D. Blower, Thierry Carval, Kenneth S. Casey, Craig Donlon, Olivier Lauret, Thomas Loubrieu, Ashwanth Srinivasan, Joaquin Trinanes, Oystein Godoy, Roy Mendelssohn, Richard P. Signell, Jeff de La Beaujardiere, Peter Cornillon, Frederique Blanc, Russ Rew, Jack Harlan
By
Woods Hole Coastal and Marine Science Center

Tsunami simulations of the 1867 Virgin Island earthquake: Constraints on epicenter location and fault parameters Tsunami simulations of the 1867 Virgin Island earthquake: Constraints on epicenter location and fault parameters

The 18 November 1867 Virgin Island earthquake and the tsunami that closely followed caused considerable loss of life and damage in several places in the northeast Caribbean region. The earthquake was likely a manifestation of the complex tectonic deformation of the Anegada Passage, which cuts across the Antilles island arc between the Virgin Islands and the Lesser Antilles. In this...
Authors
Roy Barkan, Uri S. ten Brink
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Extension in Mona Passage, Northeast Caribbean Extension in Mona Passage, Northeast Caribbean

As shown by the recent Mw 7.0 Haiti earthquake, intra-arc deformation, which accompanies the subduction process, can present seismic and tsunami hazards to nearby islands. Spatially-limited diffuse tectonic deformation within the Northeast Caribbean Plate Boundary Zone likely led to the development of the submerged Mona Passage between Puerto Rico and the Dominican Republic. GPS geodetic...
Authors
J.D. Chaytor, Uri S. ten Brink
By
Woods Hole Coastal and Marine Science Center

Predicting coastal cliff erosion using a Bayesian probabilistic model Predicting coastal cliff erosion using a Bayesian probabilistic model

Regional coastal cliff retreat is difficult to model due to the episodic nature of failures and the along-shore variability of retreat events. There is a growing demand, however, for predictive models that can be used to forecast areas vulnerable to coastal erosion hazards. Increasingly, probabilistic models are being employed that require data sets of high temporal density to define the...
Authors
Cheryl J. Hapke, Nathaniel G. Plant
By
Woods Hole Coastal and Marine Science Center

Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA Automated feature extraction and spatial organization of seafloor pockmarks, Belfast Bay, Maine, USA

Seafloor pockmarks occur worldwide and may represent millions of m3 of continental shelf erosion, but few numerical analyses of their morphology and spatial distribution of pockmarks exist. We introduce a quantitative definition of pockmark morphology and, based on this definition, propose a three-step geomorphometric method to identify and extract pockmarks from high-resolution swath...
Authors
Brian D. Andrews, Laura L. Brothers, Walter A. Barnhardt
By
Woods Hole Coastal and Marine Science Center
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