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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: 1725

Molecular signature of organic nitrogen in septic-impacted groundwater

Dissolved inorganic and organic nitrogen levels are elevated in aquatic systems due to anthropogenic activities. Dissolved organic nitrogen (DON) arises from various sources, and its impact could be more clearly constrained if specific sources were identified and if the molecular-level composition of DON were better understood. In this work, the pharmaceutical carbamazepine was used to...
Authors
William A. Arnold, Krista Longnecker, Kevin Kroeger, Elizabeth B. Kujawinski
By
Woods Hole Coastal and Marine Science Center

Bathymetric Terrain Model of the Puerto Rico Trench and the Northeastern Caribbean Region for Marine Geological Investigations

Multibeam bathymetry data collected in the Puerto Rico Trench and Northeast Caribbean region are compiled into a seamless bathymetric terrain model for broad-scale geological investigations of the trench system. These data, collected during eight separate surveys between 2002 and 2013, covering almost 180,000 square kilometers are published here in large format map sheet and digital...
Authors
Brian D. Andrews, Uri S. ten Brink, William W. Danforth, Jason Chaytor, Jose-Luis Granja-Bruna, Andrés Carbó-Gorosabel
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Studying seafloor bedforms using autonomous stationary imaging and profiling sonars

The Sediment Transport Group at the U.S. Geological Survey, Woods Hole Coastal and Marine Science Center uses downward looking sonars deployed on seafloor tripods to assess and measure the formation and migration of bedforms. The sonars have been used in three resolution-testing experiments, and deployed autonomously to observe changes in the seafloor for up to two months in seven field...
Authors
Ellyn Montgomery, Christopher R. Sherwood
By
Woods Hole Coastal and Marine Science Center

Exchange of nitrogen and phosphorus between a shallow lagoon and coastal waters

West Falmouth Harbor, a shallow lagoon on Cape Cod, has experienced a threefold increase in nitrogen load since the mid- to late 1990s due to input from a groundwater plume contaminated by a municipal wastewater treatment plant. We measured the exchange of nitrogen and phosphorus between the harbor and the coastal waters of Buzzards Bay over several years when the harbor was experiencing...
Authors
Melanie Hayn, Robert W. Howarth, Neil Kamal Ganju, Peter Berg, Kenneth H. Foreman, Anne E. Giblin, Karen J. McGlathery
By
Woods Hole Coastal and Marine Science Center

Shapefile for Coastal Zone Management Program counties of the United States and its territories, 2009 (CZMP_counties_2009.shp)

A shapefile of 492 Coastal Zone Management Program counties of the United States and its territories, current for the ground condition in 2009, has been extracted from the U.S. Census Bureau MAF/TIGER database. Geospatial information systems with the capability to search user-defined, polygonal geographic areas will be able to utilize this shapefile or secondary products derived from it...
Authors
Stephen Hartwell, Dana K. Wingfield, Alan Allwardt, Florence L. Wong, Frances L. Lightsom
By
Woods Hole Coastal and Marine Science Center

National assessment of shoreline change: historical shoreline change along the Pacific Northwest coast

Beach erosion is a chronic problem along most open ocean shores of the United States. As coastal populations continue to increase and infrastructure is threatened by erosion, there is increased demand for accurate information regarding past and present trends and rates of shoreline movement. There is also a need for a comprehensive analysis of shoreline movement that is consistent from...
Authors
Peter Ruggerio, Meredith G. Kratzmann, Emily A. Himmelstoss, David Reid, Jonathan C. Allan, George M. Kaminsky
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

The National assessment of shoreline shange—A GIS compilation of vector shorelines and associated shoreline change data for the Pacific Northwest coast

Sandy ocean beaches are a popular recreational destination and are often surrounded by communities that consist of valuable real estate. Development along sandy coastal areas is increasing despite the fact that coastal infrastructure may be repeatedly subjected to flooding and erosion. As a result, the demand for accurate information regarding past and present shoreline changes is...
Authors
Meredith G. Kratzmann, Emily A. Himmelstoss, Peter R Ruggiero, E. Robert Thieler, David Reid
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Inferring tidal wetland stability from channel sediment fluxes: observations and a conceptual model

Anthropogenic and climatic forces have modified the geomorphology of tidal wetlands over a range of timescales. Changes in land use, sediment supply, river flow, storminess, and sea level alter the layout of tidal channels, intertidal flats, and marsh plains; these elements define wetland complexes. Diagnostically, measurements of net sediment fluxes through tidal channels are high...
Authors
Neil Kamal Ganju, Nicholas J. Nidzieko, Matthew L. Kirwan
By
Woods Hole Coastal and Marine Science Center

Near-bottom circulation and dispersion of sediment containing Alexandrium fundyense cysts in the Gulf of Maine during 2010-2011

The life cycle of Alexandrium fundyense in the Gulf of Maine includes a dormant cyst stage that spends the winter predominantly in the bottom sediment. Wave-current bottom stress caused by storms and tides induces resuspension of cyst-containing sediment during winter and spring. Resuspended sediment could be transported by water flow to different locations in the Gulf and the...
Authors
Alfredo Aretxabaleta, Bradford Butman, Richard P. Signell, P. Soupy Dalyander, Christopher R. Sherwood, Vitalii A. Sheremet, Dennis J. McGillicuddy
By
Woods Hole Coastal and Marine Science Center

Limited denitrification in glacial deposit aquifers having thick unsaturated zones (Long Island, USA)

The goal of this study was to demonstrate how the extent of denitrification, which is indirectly related to dissolved organ carbon and directly related to oxygen concentrations, can also be linked to unsaturated-zone thickness, a mappable aquifer property. Groundwater from public supply and monitoring wells in Northport on Long Island, New York state (USA), were analyzed for...
Authors
Caitlin Young, Kevin Kroeger, Gilbert Hanson
By
Woods Hole Coastal and Marine Science Center

Sea-floor geology and topography offshore in northeastern Long Island Sound

Datasets of gridded multibeam bathymetry, covering approximately 52.9 square kilometers, were used to interpret character and geology of the sea floor in northeastern Long Island Sound. Although originally collected for charting purposes during National Oceanic and Atmospheric Administration hydrographic survey H12012, these acoustic data and the sea-floor sampling and photography...
Authors
L.J. Poppe, K.Y. McMullen, S.D. Ackerman, K.A. Glomb
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center, USGS Science in Long Island Sound and its Watershed

New seismic data acquired over known gas hydrate occurrences in the deepwater Gulf of Mexico: Fire In the ice

The U.S. Geological Survey (USGS) led seismic acquisition in the Gulf of Mexico from April 18 to May 3, 2013, collecting ocean-bottom seismometer (OBS) and high-resolution 2D data at lease blocks Green Canyon 955 (GC955) and Walker Ridge 313 (WR313). This collaborative effort among the U.S Department of Energy (DOE), the U.S. Bureau of Ocean Energy Management (BOEM) and the USGS was...
Authors
Seth S. Haines, Patrick E. Hart, Carolyn Ruppel
By
Energy Resources Program, Woods Hole Coastal and Marine Science Center, Pacific Coastal and Marine Science Center, Central Energy Resources Science Center
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