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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

Submarine processes of the middle Atlantic continental rise based on GLORIA imagery Submarine processes of the middle Atlantic continental rise based on GLORIA imagery

Approximately 6100 km of 3.5-kHz echo-sounding profiles was correlated with a GLORIA side-scan sonar image of the mid-Atlantic United States (34??N, 70??W) lower slope-upper continental rise. The image allows us to map the major erosional and depositional features and to identify major processes that have shaped the area. Interpretation of GLORIA imagery and echo-sounding profiles...
Authors
J. S. Schlee, James M. Robb
By
Woods Hole Coastal and Marine Science Center

Is the extent of glaciation limited by marine gas-hydrates? Is the extent of glaciation limited by marine gas-hydrates?

Methane may have been released to the atmosphere during the Quaternary from Arctic shelf gas-hydrates as a result of thermal decomposition caused by climatic warming and rising sea-level; this release of methane (a greenhouse gas) may represent a positive feedback on global warming [Revelle, 1983; Kvenvolden, 1988a; Nisbet, 1990]. We consider the response to sea-level changes by the...
Authors
Charles K. Paull, William Ussler, William P. Dillon
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Large-scale coastal evolution of Louisiana's barrier islands Large-scale coastal evolution of Louisiana's barrier islands

The prediction of large-scale coastal change is an extremely important, but distant goal. Here we describe some of our initial efforts in this direction, using historical bathymetric information along a 150 km reach of the rapidly evolving barrier island coast of Louisiana. Preliminary results suggest that the relative sea level rise rate, though extremely high in the area, has played a...
Authors
Jeffrey H. List, Bruce E. Jaffe, Sallenger
By
Woods Hole Coastal and Marine Science Center

Scientific studies relevant to the question of Antarctica's petroleum resource potential Scientific studies relevant to the question of Antarctica's petroleum resource potential

No abstract available
Authors
J. C. Behrendt
By
Woods Hole Coastal and Marine Science Center

High-energy carbonate-sand accumulation, the Quicksands, southwest Florida Keys High-energy carbonate-sand accumulation, the Quicksands, southwest Florida Keys

High-resolution seismic-reflection profiles of the Quicksands, located along a broad ridge on the platform shelf west of Key West, Florida, indicate a significant deposit of non-oolitic carbonate sand occurs in a belt 47 km long by 28 km wide. The surface of the belt is ornamented by large (5 m), migrating tidal bars, oriented in a north-south direction, on which sand waves, oriented in...
Authors
Eugene A. Shinn, Barbara H. Lidz, Charles W. Holmes
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Imaging the midcontinent rift beneath Lake Superior using large aperture seismic data Imaging the midcontinent rift beneath Lake Superior using large aperture seismic data

We present a detailed velocity model across the 1.1 billion year old Midcontinent Rift System (MRS) in central Lake Superior. The model was derived primarily from onshore-offshore large-aperture seismic and gravity data. High velocities obtained within a highly reflective half-graben that was imaged on coincident seismic reflection data demonstrate the dominantly mafic composition of the...
Authors
Anne M. Trehu, Patrick Morel-a-l’Huissier, R. Meyer, Z. Hajnal, J. Karl, R.F. Mereu, John L. Sexton, J. Shay, W. K. Chan, D. Epili, T. Jefferson, X. R. Shih, S. Wendling, Bernd Milkereit, A. Green, Deborah R. Hutchinson
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

A geological assessment of shoreline erosion, U.S. Great Lakes A geological assessment of shoreline erosion, U.S. Great Lakes

No abstract available.
Authors
D. W. Folger
By
Woods Hole Coastal and Marine Science Center

Terraces on the Florida escarpment: Implications for erosional processes Terraces on the Florida escarpment: Implications for erosional processes

SeaBeam bathymetric data and GLORIA (Geologic LOng-Range Inclined Asdic) sidescan sonar images of a 175-km-long section of the Florida escarpment in the eastern Guff of Mexico show that this carbonate escarpment has been eroded since its initial formation, but its morphology suggests that erosional processes have not acted uniformly on the escarpment. Parts of the escarpment are notched...
Authors
D.C. Twichell, C. K. Paull, L.M. Parson
By
Woods Hole Coastal and Marine Science Center

Analysis of glacier facies using satellite techniques Analysis of glacier facies using satellite techniques

The different snow and ice types on a glacier may be subdivided according to the glacier-facies concept. The surficial expression of some facies may be detected at the end of the balance year by the use of visible and near-infrared image data from the Landsat multispectral scanner (MSS) and thematic mapper (TM) sensors. Ice and snow can be distinguished by reflectivity differences in...
Authors
R.S. Williams, D.K. Hall, C.S. Benson
By
Woods Hole Coastal and Marine Science Center

Mineralogy of the silt fraction in surficial sediments from the outer continental shelf off southeastern New England Mineralogy of the silt fraction in surficial sediments from the outer continental shelf off southeastern New England

The silt-sized heavy mineral assemblage, which is predominantly detrital, has been concentrated in this fraction by hydraulic factors and ranges between 11.8 wt. % of the silt fraction in the sandy sediments near Georges Bank to 3.4% in the clayey silt deposit south of Martha's Vineyard. By contrast, the sand fraction averages only 1.5% heavy minerals. Lateral variability within the silt...
Authors
L.J. Poppe, J.A. Commeau, P. C. Valentine
By
Woods Hole Coastal and Marine Science Center

A giant submarine slope failure on the northern insular slope of Puerto Rico A giant submarine slope failure on the northern insular slope of Puerto Rico

A large amphitheater-shaped scarp, approximately 55 km across, was imaged on the northern insular slope of Puerto Rico using long-range sidescan sonar and bathymetric data. This scarp results from the removal of more than 1500 km3 of Tertiary strata. A review of seismic-reflection profiles, stratigraphic data, and subsidence models of the northern insular margin of Puerto Rico were used...
Authors
W. C. Schwab, W. W. Danforth, Kathryn M. Scanlon, D.G. Masson
By
Woods Hole Coastal and Marine Science Center

Louisiana coastal GIS network: Graphical user interface for access to spatial data Louisiana coastal GIS network: Graphical user interface for access to spatial data

Louisiana's coastal wetlands support a large percentage of the nation's seafood and fur industries, vast deposits of oil and natural gas, habitat for thousands of species of plants and animals, winter nesting grounds and migratory paths for numerous waterfowl, and many recreational resources enjoyed by residents and tourists. Louisiana's wetlands also have the highest rates of coastal...
Authors
Matteson Hiland, Randolph A. McBride, Donald Davis, Dewitt Braud, Henry Streiffer, Farrell Jones, Anthony Lewis, S. Williams
By
Woods Hole Coastal and Marine Science Center
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