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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

Mechanical and electromagnetic properties of northern Gulf of Mexico sediments with and without THF hydrates Mechanical and electromagnetic properties of northern Gulf of Mexico sediments with and without THF hydrates

Using an oedometer cell instrumented to measure the evolution of electromagnetic properties, small strain stiffness, and temperature, we conducted consolidation tests on sediments recovered during drilling in the northern Gulf of Mexico at the Atwater Valley and Keathley Canyon sites as part of the 2005 Chevron Joint Industry Project on Methane Hydrates. The tested specimens include both
Authors
J.Y. Lee, J.C. Santamarina, C. Ruppel
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

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

Ocean forecasting in terrain-following coordinates: Formulation and skill assessment of the Regional Ocean Modeling System Ocean forecasting in terrain-following coordinates: Formulation and skill assessment of the Regional Ocean Modeling System

Systematic improvements in algorithmic design of regional ocean circulation models have led to significant enhancement in simulation ability across a wide range of space/time scales and marine system types. As an example, we briefly review the Regional Ocean Modeling System, a member of a general class of three-dimensional, free-surface, terrain-following numerical models. Noteworthy
Authors
D.B. Haidvogel, H. Arango, W.P. Budgell, B.D. Cornuelle, E. Curchitser, Lorenzo E. Di, K. Fennel, W.R. Geyer, A.J. Hermann, L. Lanerolle, J. Levin, J.C. McWilliams, A.J. Miller, A.M. Moore, T.M. Powell, A.F. Shchepetkin, C. R. Sherwood, R. P. Signell, J.C. Warner, J. Wilkin
By
Woods Hole Coastal and Marine Science Center

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 properties of sediments from Keathley Canyon and Atwater Valley, JIP Gulf of Mexico gas hydrate drilling program Physical properties of sediments from Keathley Canyon and Atwater Valley, JIP Gulf of Mexico gas hydrate drilling program

Physical property measurements and consolidation behavior are different between sediments from Atwater Valley and Keathley Canyon in the northern Gulf of Mexico. Void ratio and bulk density of Atwater Valley sediment from a seafloor mound (holes ATM1 and ATM2) show little effective stress (or depth) dependence to 27 meters below seafloor (mbsf), perhaps owing to fluidized transport...
Authors
William J. Winters, Brandon Dugan, Timothy S. Collett
By
Woods Hole Coastal and Marine Science Center

Progress in development of shallow-water mapping systems by the U.S. Geological Survey Progress in development of shallow-water mapping systems by the U.S. Geological Survey

No abstract available.
Authors
Emile M. Bergeron, Charles R. Worley, Thomas F. O’Brien
By
Woods Hole Coastal and Marine Science Center

Holocene reworking of a sand sheet in the Merrimack Embayment, Western Gulf of Maine Holocene reworking of a sand sheet in the Merrimack Embayment, Western Gulf of Maine

Recent bathymetric, backscatter, and seafloor sediment samples demonstrate that a large sand sheet was formed in the inner shelf by the reworking of the Merrimack River lowstand delta (deposited 12 kya; currently at 45 m depth) and braid plain during the Holocene transgression. Asymmetric bedforms and distinct grain size distributions suggest the sand sheet is actively being reworked by...
Authors
C.J. Hein, D. M. FitzGerald, W. Barnhardt
By
Woods Hole Coastal and Marine Science Center

A review of land–sea coupling by groundwater discharge of nitrogen to New England estuaries: Mechanisms and effects A review of land–sea coupling by groundwater discharge of nitrogen to New England estuaries: Mechanisms and effects

Hydrologists have long been concerned with the interface of groundwater flow into estuaries, but not until the end of the last century did other disciplines realize the major role played by groundwater transport of nutrients to estuaries. Mass balance and stable isotopic data suggest that land-derived NO3, NH4, and dissolved organic N do enter estuaries in amounts likely to affect the...
By
Woods Hole Coastal and Marine Science Center

Assessing methane release from the colossal Storegga submarine landslide Assessing methane release from the colossal Storegga submarine landslide

Marine slope failure involving methane-gas-hydrate-bearing sediments is one mechanism for releasing enormous quantities of methane to the ocean and atmosphere. The Storegga Slide, on the Norwegian margin, is the largest known Holocene-aged continental margin slope failure complex and is believed to have occurred in sediments that may have initially contained gas hydrate. Here, we report...
Authors
C. K. Paull, W. Ussler, W.S. Holbrook
By
Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center, Woods Hole Coastal and Marine Science Center
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