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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

Numerical model of frazil ice and suspended sediment concentrations and formation of sediment laden ice in the Kara Sea Numerical model of frazil ice and suspended sediment concentrations and formation of sediment laden ice in the Kara Sea

A one-dimensional (vertical) numerical model of currents, mixing, frazil ice concentration, and suspended sediment concentration has been developed and applied in the shallow southeastern Kara Sea. The objective of the calculations is to determine whether conditions suitable for turbid ice formation can occur during times of rapid cooling and wind- and wave-induced sediment resuspension...
Authors
C. R. Sherwood
By
Woods Hole Coastal and Marine Science Center

Post-Mazama (7 KA) faulting beneath Upper Klamath Lake, Oregon Post-Mazama (7 KA) faulting beneath Upper Klamath Lake, Oregon

High-resolution seismic-reflection profiles (3.5 kHz) show that a distinctive, widespread reflection occurs in the sediments beneath Upper Klamath Lake, Oregon. Coring reveals that this reflection is formed by Mazama tephra (MT), about 7 ka in age. The MT horizon is faulted in many places and locally displaced by as much as 3.1 m. Differential displacement of multiple horizons indicates...
Authors
Steven M. Colman, J. G. Rosenbaum, R. L. Reynolds, A.M. Sarna-Wojcicki
By
Woods Hole Coastal and Marine Science Center

Time-averaged fluxes of lead and fallout radionuclides to sediments in Florida Bay Time-averaged fluxes of lead and fallout radionuclides to sediments in Florida Bay

Recent, unmixed sediments from mud banks of central Florida Bay were dated using 210Pb/226Ra, and chronologies were verified by comparing sediment lead temporal records with Pb/Ca ratios in annual layers of coral (Montastrea annularis) located on the ocean side of the Florida Keys. Dates of sediment lead peaks (1978±2) accord with prior observations of a 6 year lag between the occurrence...
Authors
J. A. Robbins, C. Holmes, R. Halley, Michael H. Bothner, E. Shinn, J. Graney, G. Keeler, M. TenBrink, K.A. Orlandini, D. Rudnick
By
Woods Hole Coastal and Marine Science Center

Photographic evaluation of the impacts of bottom fishing on benthic epifauna Photographic evaluation of the impacts of bottom fishing on benthic epifauna

The gravel sediment habitat on the northern edge of Georges Bank (East coast of North America) is an important nursery area for juvenile fish, and the site of a productive scallop fishery. During two cruises to this area in 1994 we made photographic transects at sites of varying depths that experience varying degrees of disturbance from otter trawling and scallop dredging. Differences...
Authors
J.S. Collie, G.A. Escanero, P. C. Valentine
By
Woods Hole Coastal and Marine Science Center

Large-scale shoreline response to storms and fair weather Large-scale shoreline response to storms and fair weather

No abstract available.
Authors
Jeffrey H. List, Amy S. Farris
By
Woods Hole Coastal and Marine Science Center

Modern accumulation rates and a sediment budget for the Eel shelf: a flood-dominated depositional environment Modern accumulation rates and a sediment budget for the Eel shelf: a flood-dominated depositional environment

The northern California continental margin is periodically impacted by geologically significant storms, which have a marked influence on terrigenous sediment supply, flood deposition, and long-term accumulation of fine-grained sediment on the Eel shelf. Accumulation of Eel River muds on the adjacent shelf was investigated using 210Pb and 137Cs geochronologies, in order to understand the...
Authors
Christopher K. Sommerfield, Charles A. Nittrouer
By
Woods Hole Coastal and Marine Science Center

Seismic expression of the Chesapeake Bay impact crater: Structural and morphologic refinements based on new seismic data Seismic expression of the Chesapeake Bay impact crater: Structural and morphologic refinements based on new seismic data

This work refines previous interpretations of the structure and morphology of the Chesapeake Bay impact crater on the basis of more than 1,200 km of multichannel and single-channel seismic reflection profiles collected in the bay and on the adjacent continental shelf. The outer rim, formed in sedimentary rocks, is irregularly circular, with an average diameter of ~85 km. A 20–25-km-wide...
Authors
C. Wylie Poag, Deborah R. Hutchinson, Steve M. Colman, Myung W. Lee
By
Woods Hole Coastal and Marine Science Center

The Columbia River littoral cell: A sediment budget overview The Columbia River littoral cell: A sediment budget overview

No abstract available.
Authors
G. Gelfenbaum, C. R. Sherwood, C. D. Peterson, G. M. Kaminsky, Maarten C. Buijsman, D.C. Twichell, P. Ruggiero, A. E. Gibbs, C. Reed
By
Woods Hole Coastal and Marine Science Center

Tracing sediment dispersal on nourished beaches: Two case studies Tracing sediment dispersal on nourished beaches: Two case studies

The event- to decade-scale patterns of sediment dispersal on two artificially nourished beaches have been mapped using a combination of geophysical surveys, closely-spaced vibracores, and repeated beach profiles. At both Wrightsville Beach, NC and Folly Island, SC the sediment used for beach nourishment is macroscopically distinct from native sediment and can be used to identify sediment...
Authors
E. Robert Thieler, Paul T. Gayes, William C. Schwab, M. Scott Harris
By
Woods Hole Coastal and Marine Science Center

Time-series photographs of the sea floor in western Massachusetts Bay: June - October, 1996 Time-series photographs of the sea floor in western Massachusetts Bay: June - October, 1996

No abstract available.
Authors
Bradford Butman, John Evans, William Lange, Chris F. Polloni
By
Woods Hole Coastal and Marine Science Center

Great earthquakes, abundant sand, and high wave energy in the Columbia Cell, USA Great earthquakes, abundant sand, and high wave energy in the Columbia Cell, USA

No abstract available.
Authors
Curt D. Peterson, Guy R. Gelfenbaum, Harry M. Jol, Jim B. Phipps, Frank Reckendorf, Dave C. Twichell, Sandy Vanderberg, Lorraine Woxell
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Cobalt-rich ferromanganese crusts in the Pacific Cobalt-rich ferromanganese crusts in the Pacific

Co-rich Fe-Mn crusts occur throughout the Pacific on seamounts, ridges, and plateaus where currents have kept the rocks swept clean of sediments at least intermittently for millions of years. Crusts precipitate out of cold ambient sea water onto hard-rock substrates forming pavements up to 250 mm thick. Crusts are important as a potential resource for Co, Ni, Pt, Mn, Tl, Te, and other...
Authors
James R. Hein, Andrea Koschinsky, Michael Bau, Frank T. Manheim, Jung-Keuk Kang, Leanne Roberts
By
Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center
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