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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

Sediment transport and deposition on a river-dominated tidal flat: An idealized model study Sediment transport and deposition on a river-dominated tidal flat: An idealized model study

A 3-D hydrodynamic model is used to investigate how different size classes of river-derived sediment are transported, exported and trapped on an idealized, river-dominated tidal flat. The model is composed of a river channel flanked by sloping tidal flats, a configuration motivated by the intertidal region of the Skagit River mouth in Washington State, United States. It is forced by...
Authors
Christopher R. Sherwood, Shih-Nan Chen, W. Rockwell Geyer, David K. Ralston
By
Woods Hole Coastal and Marine Science Center

The Block composite submarine landslide, southern New England slope, U.S.A.: A morphological analysis The Block composite submarine landslide, southern New England slope, U.S.A.: A morphological analysis

Recent multibeam surveys along the continental slope and rise off southeast New England has enabled a detailed morphological analysis of the Block composite landslide. This landslide consists of at least three large debris lobes resting on a gradient less than 0.5 °. The slide took place on gradients of between 1 ° and 5 ° in Quaternary sediments likely deposited at the time of low sea...
Authors
Jacques Locat, Uri S. ten Brink, Jason D. Chaytor
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Landslide Hazards Program, Geologic Hazards Science Center, Woods Hole Coastal and Marine Science Center

Using a composite grid approach in a complex coastal domain to estimate estuarine residence time Using a composite grid approach in a complex coastal domain to estimate estuarine residence time

We investigate the processes that influence residence time in a partially mixed estuary using a three-dimensional circulation model. The complex geometry of the study region is not optimal for a structured grid model and so we developed a new method of grid connectivity. This involves a novel approach that allows an unlimited number of individual grids to be combined in an efficient...
Authors
John C. Warner, W. Rockwell Geyer, Herman G. Arango
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Integrated Multibeam and LIDAR Bathymetry Data Offshore of New London and Niantic, Connecticut Integrated Multibeam and LIDAR Bathymetry Data Offshore of New London and Niantic, Connecticut

Nearshore areas within Long Island Sound are of great interest to the Connecticut and New York research and resource management communities because of their ecological, recreational, and commercial importance. Although advances in multibeam echosounder technology permit the construction of high-resolution representations of sea-floor topography in deeper waters, limitations inherent in...
Authors
L.J. Poppe, W. W. Danforth, K.Y. McMullen, Castle E. Parker, P.G. Lewit, E. F. Doran
By
Woods Hole Coastal and Marine Science Center

Effects of building a sand barrier berm to mitigate the effects of the Deepwater Horizon oil spill on Louisiana marshes Effects of building a sand barrier berm to mitigate the effects of the Deepwater Horizon oil spill on Louisiana marshes

The State of Louisiana requested emergency authorization on May 11, 2010, to perform spill mitigation work on the Chandeleur Islands and on all the barrier islands from Grand Terre Island eastward to Sandy Point to enhance the capability of the islands to reduce the movement of oil from the Deepwater Horizon oil spill to the marshes. The proposed action-building a barrier berm...
Authors
Dawn Lavoie, James G. Flocks, Jack L. Kindinger, A. H. Sallenger, David C. Twichell
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center, St. Petersburg Coastal and Marine Science Center, Gulf of America

Geophysical and sampling data from the inner continental shelf: Duxbury to Hull, Massachusetts Geophysical and sampling data from the inner continental shelf: Duxbury to Hull, Massachusetts

The U.S. Geological Survey (USGS) and the Massachusetts Office of Coastal Zone Management (CZM) have cooperated to map approximately 200 km² of the Massachusetts inner continental shelf between Duxbury and Hull. This report contains geophysical and geological data collected by the USGS on three cruises between 2006 and 2007. These USGS data are supplemented with a National Oceanic and...
Authors
Walter A. Barnhardt, Seth D. Ackerman, Brian D. Andrews, Wayne E. Baldwin
By
Woods Hole Coastal and Marine Science Center

Geological Interpretation of the Sea Floor Offshore of Edgartown, Massachusetts Geological Interpretation of the Sea Floor Offshore of Edgartown, Massachusetts

Gridded bathymetry and sidescan-sonar imagery together cover approximately 37.3 square kilometers of sea floor in the vicinity of Edgartown Harbor, Massachusetts. Although originally collected for charting purposes during National Oceanic and Atmospheric Administration hydrographic survey H11346, these acoustic data, and the sea-floor stations and seismic-reflection lines subsequently...
Authors
L.J. Poppe, K.Y. McMullen, D.S. Foster, D.S. Blackwood, S.J. Williams, S.D. Ackerman, M. S. Moser, K.A. Glomb
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Review of Oceanographic and Geochemical Data Collected in Massachusetts Bay during a Large Discharge of Total Suspended Solids from Boston's Sewage-Treatment System and Ocean Outfall in August 2002 Review of Oceanographic and Geochemical Data Collected in Massachusetts Bay during a Large Discharge of Total Suspended Solids from Boston's Sewage-Treatment System and Ocean Outfall in August 2002

During the period August 14-23, 2002, the discharge of total suspended solids (TSS) from the Massachusetts Water Resources Authority sewage-treatment plant ranged from 32 to 132 milligrams per liter, causing the monthly average discharge to exceed the limit specified in the National Pollution Discharge Elimination System permit. Time-series monitoring data collected by the U.S...
Authors
Michael H. Bothner, Bradford Butman, Michael A. Casso
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Effect of roughness formulation on the performance of a coupled wave, hydrodynamic, and sediment transport model Effect of roughness formulation on the performance of a coupled wave, hydrodynamic, and sediment transport model

A variety of algorithms are available for parameterizing the hydrodynamic bottom roughness associated with grain size, saltation, bedforms, and wave–current interaction in coastal ocean models. These parameterizations give rise to spatially and temporally variable bottom-drag coefficients that ostensibly provide better representations of physical processes than uniform and constant...
Authors
Neil K. Ganju, Christopher R. Sherwood
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Geophysical Data Collected off the South Shore of Martha's Vineyard, Massachusetts Geophysical Data Collected off the South Shore of Martha's Vineyard, Massachusetts

The U.S. Geological Survey Woods Hole Science Center conducted a nearshore geophysical survey offshore of the southern coast of Martha's Vineyard, in the vicinity of the Martha's Vineyard Coastal Observatory in 2007. This mapping program was part of a larger research effort supporting the Office of Naval Research Ripples Directed-Research Initiative studies at Martha's Vineyard Coastal...
Authors
J. F. Denny, W. W. Danforth, D.S. Foster, C. R. Sherwood
By
Woods Hole Coastal and Marine Science Center

The impact of hydrate saturation on the mechanical, electrical, and thermal properties of hydrate-bearing sand, silts, and clay The impact of hydrate saturation on the mechanical, electrical, and thermal properties of hydrate-bearing sand, silts, and clay

Proper understanding of the physical properties of hydrate-bearing sediments is required for interpretation of borehole logs and exploration geophysical data, the analysis of borehole and submarine slope stability, and the formulation of reservoir simulation and production models. Yet current knowledge of geophysical and geotechnical properties of hydrate-bearing sediments is still...
Authors
J. Carlos Santamarina, Carolyn D. Ruppel
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Historic and paleo-submarine landslide deposits imaged beneath Port Valdez, Alaska: Implications for tsunami generation in a glacial fiord Historic and paleo-submarine landslide deposits imaged beneath Port Valdez, Alaska: Implications for tsunami generation in a glacial fiord

During the 1964 M9.2 great Alaskan earthquake, submarine-slope failures resulted in the generation of highly destructive tsunamis at Port Valdez, Alaska. A high-resolution, mini-sparker reflection profiler was used to image debris lobes, which we attribute to slope failures that occurred both during and prior to the 1964 megathrust event. In these reflection profiles, debris lobe...
Authors
H. F. Ryan, H. J. Lee, Peter J. Haeussler, C. R. Alexander, Robert E. Kayen
By
Ecosystems Mission Area, Alaska Science Center, Pacific Coastal and Marine Science Center, Woods Hole Coastal and Marine Science Center
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