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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

Documentation of the U.S. Geological Survey Oceanographic time-series measurement database Documentation of the U.S. Geological Survey Oceanographic time-series measurement database

The U.S. Geological Survey (USGS) Oceanographic Time-Series Measurement Database contains oceanographic observations made as part of studies designed to increase understanding of sediment transport processes and associated dynamics. Analysis of these data has contributed to more accurate prediction of the movement and fate of sediments and other suspended materials in the coastal ocean...
Authors
Ellyn T. Montgomery, Marinna A. Martini, Frances L. Lightsom, Bradford Butman, Daniel J. Nowacki, Steven E. Suttles
By
Woods Hole Coastal and Marine Science Center

Collaboration tools and techniques for large model datasets Collaboration tools and techniques for large model datasets

In MREA and many other marine applications, it is common to have multiple models running with different grids, run by different institutions. Techniques and tools are described for low-bandwidth delivery of data from large multidimensional datasets, such as those from meteorological and oceanographic models, directly into generic analysis and visualization tools. Output is stored using...
Authors
R. P. Signell, S. Carniel, J. Chiggiato, I. Janekovic, J. Pullen, C. R. Sherwood
By
Woods Hole Coastal and Marine Science Center

Application of RHIZON samplers to obtain high-resolution pore-fluid records during geochemical investigations of gas hydrate systems Application of RHIZON samplers to obtain high-resolution pore-fluid records during geochemical investigations of gas hydrate systems

Obtaining accurate, high-resolution profiles of pore fluid constituents is critical for characterizing the subsurface geochemistry of hydrate-bearing sediments. Tightly-constrained downcore profiles provide clues about fluid sources, fluid flow, and the milieu of chemical and diagenetic reactions, all of which are used to interpret where and why gas and gas hydrate occur in the natural...
Authors
John W. Pohlman, M Riedel, William F. Waite, K. Rose, L. Lapham
By
Woods Hole Coastal and Marine Science Center

Comparison of two U.S. power-plant carbon dioxide emissions data sets Comparison of two U.S. power-plant carbon dioxide emissions data sets

Estimates of fossil-fuel CO2 emissions are needed to address a variety of climate-change mitigation concerns over a broad range of spatial and temporal scales. We compared two data sets that report power-plant CO 2 emissions in the conterminous U.S. for 2004, the most recent year reported in both data sets. The data sets were obtained from the Department of Energy's Energy Information
Authors
K.V. Ackerman, E.T. Sundquist
By
Woods Hole Coastal and Marine Science Center

Assessing sulfate reduction and methane cycling in a high salinity pore water system in the northern Gulf of Mexico Assessing sulfate reduction and methane cycling in a high salinity pore water system in the northern Gulf of Mexico

Pore waters extracted from 18 piston cores obtained on and near a salt-cored bathymetric high in Keathley Canyon lease block 151 in the northern Gulf of Mexico contain elevated concentrations of chloride (up to 838 mM) and have pore water chemical concentration profiles that exhibit extensive departures (concavity) from steady-state (linear) diffusive equilibrium with depth. Minimum...
Authors
J. W. Pohlman, C. Ruppel, D. R. Hutchinson, R. Downer, R.B. Coffin
By
Woods Hole Coastal and Marine Science Center

Timing and patterns of basin infilling as documented in Lake Powell during a drought Timing and patterns of basin infilling as documented in Lake Powell during a drought

Between 1999 and 2005, drought in the western United States led to a >44 m fall in the level of Lake Powell (Arizona-Utah), the nation's second-largest reservoir. River discharges to the reservoir were halved, yet the rivers still incised the tops of deltas left exposed along the rim of the reservoir by the lake-level fall. Erosion of the deltas enriched the rivers in sediment such that...
Authors
Lincoln F. Pratson, John Hughes-Clarke, Mark Anderson, Thomas Gerber, David C. Twitchell, Ronald Ferrari, Charles A. Nittrouer, Jonathan D. Beaudoin, Jesse Granet, John Crockett
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Estuarine sediment transport by gravity-driven movement of the nepheloid layer, Long Island Sound Estuarine sediment transport by gravity-driven movement of the nepheloid layer, Long Island Sound

Interpretation of sidescan-sonar imagery provides evidence that down-slope gravity-driven movement of the nepheloid layer constitutes an important mode of transporting sediment into the basins of north-central Long Island Sound, a major US East Coast estuary. In the Western Basin, this transport mechanism has formed dendritic drainage systems characterized by branching patterns of low...
Authors
L.J. Poppe, K.Y. McMullen, S.J. Williams, J.M. Crocker, E. F. Doran
By
Woods Hole Coastal and Marine Science Center, USGS Science in Long Island Sound and its Watershed

Scientific results from Gulf of Mexico Gas Hydrates Joint Industry Project Leg 1 drilling: Introduction and overview Scientific results from Gulf of Mexico Gas Hydrates Joint Industry Project Leg 1 drilling: Introduction and overview

The Gulf of Mexico Gas Hydrates Joint Industry Project (JIP) is a consortium of production and service companies and some government agencies formed to address the challenges that gas hydrates pose for deepwater exploration and production. In partnership with the U.S. Department of Energy and with scientific assistance from the U.S. Geological Survey and academic partners, the JIP has...
Authors
C. Ruppel, R. Boswell, E. Jones
By
Woods Hole Coastal and Marine Science Center

Physical property studies in the USGS GHASTLI Laboratory Physical property studies in the USGS GHASTLI Laboratory

One of the many challenges in studying methane hydrate is that it is unstable at typical surface pressure and temperature conditions. To enable methane hydrates and hydrate-bearing sediments to be formed, analyzed, and experimented with, the National Energy Technology Laboratory (NETL), and the U.S. Geological Survey (USGS) in Woods Hole, MA collaborated in the development of the Gas...
Authors
William J. Winters, William F. Waite, Deborah R. Hutchinson, David H. Mason
By
Woods Hole Coastal and Marine Science Center

Calculating wave-generated bottom orbital velocities from surface-wave parameters Calculating wave-generated bottom orbital velocities from surface-wave parameters

Near-bed wave orbital velocities and shear stresses are important parameters in many sediment-transport and hydrodynamic models of the coastal ocean, estuaries, and lakes. Simple methods for estimating bottom orbital velocities from surface-wave statistics such as significant wave height and peak period often are inaccurate except in very shallow water. This paper briefly reviews...
Authors
P.L. Wiberg, C. R. Sherwood
By
Woods Hole Coastal and Marine Science Center

Development of a three-dimensional, regional, coupled wave, current, and sediment-transport model Development of a three-dimensional, regional, coupled wave, current, and sediment-transport model

We are developing a three-dimensional numerical model that implements algorithms for sediment transport and evolution of bottom morphology in the coastal-circulation model Regional Ocean Modeling System (ROMS v3.0), and provides a two-way link between ROMS and the wave model Simulating Waves in the Nearshore (SWAN) via the Model-Coupling Toolkit. The coupled model is applicable for...
Authors
J.C. Warner, C. R. Sherwood, R. P. Signell, C. K. Harris, H.G. Arango
By
Woods Hole Coastal and Marine Science Center

Micropaleontologic record of late Pliocene and Quaternary paleoenvironments in the northern Albemarle Embayment, North Carolina, U.S.A. Micropaleontologic record of late Pliocene and Quaternary paleoenvironments in the northern Albemarle Embayment, North Carolina, U.S.A.

Micropaleontological data provide a strong actualistic basis for detailed interpretations of Quaternary paleoenvironmental change. The 90 m-thick Quaternary record of the Albemarle Embayment in the mid-Atlantic coastal plain of the USA provides an excellent opportunity to use such an approach in a region where the details of Quaternary environmental change are poorly known. The...
Authors
S.J. Culver, K.M. Farrell, D. J. Mallinson, B. P. Horton, Debra A. Willard, E.R. Thieler, S.R. Riggs, S.W. Snyder, J.F. Wehmiller, C.E. Bernhardt, C. Hillier
By
Woods Hole Coastal and Marine Science Center
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