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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

A sediment budget for southern Lake Michigan: source and sink models for different time intervals A sediment budget for southern Lake Michigan: source and sink models for different time intervals

We have constructed a sediment budget for the southern Lake Michigan basin for sand and for mud during three time periods: the past 100, 5,000, and 10,000 years. For the modern (100-year) sediment budget, accountable sediment sources add up to 93 percent of the calculated sinks. The mud budget has a source deficit of about 40%, probably due to errors in mud:sand ratios and (or) to other...
Authors
Steven M. Colman, D.S. Foster
By
Woods Hole Coastal and Marine Science Center

A crisis in waste management, economic vitality, and a coastal marine environment: Boston Harbor and Massachusetts Bay A crisis in waste management, economic vitality, and a coastal marine environment: Boston Harbor and Massachusetts Bay

Discharge of sewage sludge and effluent from 43 communities in the greater Boston metropolitan area has helped make the harbor one of the most polluted in the nation. As part of a court-mandated plan to end pollution of the harbor, effluent will no longer be discharged into the harbor, but instead, by 1995 it will be discharged into Massachusetts Bay through a record-long 15.34 km tunnel...
Authors
F.T. Manheim, B. Butman
By
Woods Hole Coastal and Marine Science Center

Indicators of sewage contamination in sediments beneath a deep-ocean dump site off New York Indicators of sewage contamination in sediments beneath a deep-ocean dump site off New York

The world's largest discharge of municipal sewage sludge to surface waters of the deep sea has caused measurable changes in the concentration of sludge indicators in sea-floor sediments, in a spatial pattern which agrees with the predictions of a recent sludge deposition model. Silver, linear alkylbenzenes, coprostanol, and spores of the bacterium Clostridium perfringens, in bottom...
Authors
Michael H. Bothner, H. Takada, I.T. Knight, R. T. Hill, B. Butman, J.W. Farrington, R.R. Colwell, J. F. Grassle
By
Woods Hole Coastal and Marine Science Center

Seismic character of gas hydrates on the Southeastern U.S. continental margin Seismic character of gas hydrates on the Southeastern U.S. continental margin

Gas hydrates are stable at relatively low temperature and high pressure conditions; thus large amounts of hydrates can exist in sediments within the upper several hundred meters below the sea floor. The existence of gas hydrates has been recognized and mapped mostly on the basis of high amplitude Bottom Simulating Reflections (BSRs) which indicate only that an acoustic contrast exists at...
Authors
Myung W. Lee, D. R. Hutchinson, Warren F. Agena, William P. Dillon, J. J. Miller, B.A. Swift
By
Woods Hole Coastal and Marine Science Center

A rock-magnetic record from Lake Baikal, Siberia: Evidence for Late Quaternary climate change A rock-magnetic record from Lake Baikal, Siberia: Evidence for Late Quaternary climate change

Rock-magnetic measurements of sediment cores from the Academician Ridge region of Lake Baikal, Siberia show variations related to Late Quaternary climate change. Based upon the well-dated last glacial-interglacial transition, variations in magnetic concentration and mineralogy are related to glacial-interglacial cycles using a conceptual model. Interglacial intervals are characterized by...
Authors
J.A. Peck, J.W. King, Steven M. Colman, V.A. Kravchinsky
By
Woods Hole Coastal and Marine Science Center

A computer-controlled gas hydrate-sediment formation and triaxial test system A computer-controlled gas hydrate-sediment formation and triaxial test system

No abstract available.
Authors
W.J. Winters, J.S. Booth, R.R. Nielsen, William P. Dillon, R.F. Commeau
By
Woods Hole Coastal and Marine Science Center

Regional stratigraphic framework of surficial sediments and bedrock beneath Lake Ontario Regional stratigraphic framework of surficial sediments and bedrock beneath Lake Ontario

Approximately 2550 km of single-channel high-resolution seismic reflection profiles have been interpreted and calibrated with lithological and geochronological information from four representative piston cores and one grab sample to provide a regional stratigraphie framework for the subbottom deposits of Lake Ontario. Five units overlying Paleozoic bedrock were identified and mapped...
Authors
D. R. Hutchinson, C.F. Lewis, G. Hund
By
Woods Hole Coastal and Marine Science Center

Mobility of radioisotopes in marine surface sediments Mobility of radioisotopes in marine surface sediments

Transport of a radioisotope in a sediment-water system can be retarded by sorption of the isotope to solid; which is controlled by the affinity of the radioisotope for the sediment particles. In order to study trace metal and ra- dionuclide mobility on the sea floor, the following measurements were carried out: (1)effective diffusion rates in sediments in the laboratory and on the sea...
Authors
Marilyn R. Buchholtz ten Brink, P. H. Santschi
By
Woods Hole Coastal and Marine Science Center

Glaciers Glaciers

No abstract available.
Authors
R. J. Williams
By
Woods Hole Coastal and Marine Science Center

Continental margins: Windows into Earth's history Continental margins: Windows into Earth's history

No abstract available.
Authors
Deborah R. Hutchinson
By
Woods Hole Coastal and Marine Science Center

Ground water discharge and the related nutrient and trace metal fluxes into Quincy bay, Massachusetts Ground water discharge and the related nutrient and trace metal fluxes into Quincy bay, Massachusetts

Measurement of the rate and direction of ground water flow beneath Wollaston Beach, Quincy, Massachusetts by use of a heat-pulsing flowmeter shows a mean velocity in the bulk sediment of 40 cm d−1. The estimated total discharge of ground water into Quincy Bay during October 1990 was 1324–2177 m3 d−1, a relatively low ground water discharge rate. The tides have only a moderate effect on...
Authors
Lawrence J. Poppe, A.M. Moffett
By
Woods Hole Coastal and Marine Science Center

Sedimentary framework of Boston Harbor, Massachusetts Sedimentary framework of Boston Harbor, Massachusetts

No abstract available.
Authors
H.J. Knebel, R.R. Rendigs, R. N. Oldale, Michael H. Bothner
By
Woods Hole Coastal and Marine Science Center
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