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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

The U.S. Geological Survey: National Marine and Coastal Geology Program The U.S. Geological Survey: National Marine and Coastal Geology Program

No abstract available.
By
Woods Hole Coastal and Marine Science Center

Three-dimensional modeling of pull-apart basins: implications for the tectonics of the Dead Sea Basin Three-dimensional modeling of pull-apart basins: implications for the tectonics of the Dead Sea Basin

We model the three-dimensional (3-D) crustal deformation in a deep pull-apart basin as a result of relative plate motion along a transform system and compare the results to the tectonics of the Dead Sea Basin. The brittle upper crust is modeled by a boundary element technique as an elastic block, broken by two en echelon semi-infinite vertical faults. The deformation is caused by a...
Authors
Rafael Katzman, Uri S. ten Brink, Jian Lin
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Upper Eocene impactites of the U.S. East Coast; depositional origins, biostratigraphic framework, and correlation Upper Eocene impactites of the U.S. East Coast; depositional origins, biostratigraphic framework, and correlation

Similar successions of planktonic foraminifera, calcareous nannofossils, and bolboformids document coeval deposition of the Exmore impact breccia (Virginia Coastal Plain) and an impact ejecta layer at DSDP Site 612 (New Jersey Continental Slope). Both impactites accumulated in the late Eocene during the early part of biochrons P15 (planktonic foraminifera) and NP 19-20 (calcareous...
Authors
C. Wylie Poag, Marie-Pierre Aubry
By
Woods Hole Coastal and Marine Science Center

Geophysical database of the east coast of the United States: southern Atlantic margin-Stratigraphy and velocity from multichannel seismic profiles Geophysical database of the east coast of the United States: southern Atlantic margin-Stratigraphy and velocity from multichannel seismic profiles

No abstract available.
Authors
D. R. Hutchinson, C. W. Poag, Peter Popenoe
By
Woods Hole Coastal and Marine Science Center

Pulling the rug out from under California: Seismic images of the Mendocino Triple Junction region Pulling the rug out from under California: Seismic images of the Mendocino Triple Junction region

The active tectonic regime of northwestern California changes abruptly from transform motion to subduction at the Mendocino Triple Junction. Northward migration of the triple junction has been a major factor in the tectonic history of the continental margin of California since the Oligocene and continues at present. Understanding the effects of triple junction migration on the structure...
Authors
Anne M. Trehu
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Silt fraction heavy-mineral distributions in a lateritic environment: The rivers and insular shelf of north-central Puerto Rico Silt fraction heavy-mineral distributions in a lateritic environment: The rivers and insular shelf of north-central Puerto Rico

This fraction, which is enriched in heavy minerals relative to the sand fraction, is mainly detrital but contains a strong authigenic component. The authigenic silt heavy-mineral fraction is largely a product of the lateritic weathering and dominated by iron oxides and alterites. Grains of bladed rutile and leached ilmenite are common. Spatial variability in silt-fraction mineralogy is
Authors
L.J. Poppe, J.A. Commeau, G. Luepke
By
Woods Hole Coastal and Marine Science Center

The impacts of mobile fishing gear on low topography benthic habitats in the Gulf of Maine (Northwest Atlantic): A preliminary report The impacts of mobile fishing gear on low topography benthic habitats in the Gulf of Maine (Northwest Atlantic): A preliminary report

No abstract available.
Authors
Peter J. Auster, Richard J. Malatesta, Richard W. Langton, Les Watling, Andrew N. Shepard, Ivar G. Babb
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Decadal and annual changes in biogenic opal and carbonate fluxes to the deep Sargasso Sea Decadal and annual changes in biogenic opal and carbonate fluxes to the deep Sargasso Sea

Analyses of samples from a 14-year series of sediment-trap deployments in the deep Sargasso Sea reveal a significant trend in the ratio of the sinking fluxes of biogenic calcium carbonate and silica. Although there are pronounced seasonal cycles for both flux components, the overall opal/CaCO3 ratio changed by 50% from 1978 to 1991 (largely due to a decrease of opal flux), while total...
Authors
W.G. Deuser, T.D. Jickells, Judith A. Commeau
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Glaciological observations of Brúarjökull, Iceland, using synthetic aperture radar and thematic mapper satellite data Glaciological observations of Brúarjökull, Iceland, using synthetic aperture radar and thematic mapper satellite data

The first European Remote Sensing Satellite (ERS-1) synthetic aperture radar (SAR) images offer opportunities for studying glacier surface properties and near-surface features. Analysis of back-scatter values from digital SAR data from 18 January, 7 June, 1 September and 25 October 1993 of Brúarjökull, an outlet glacier on the northeastern margin of the Vatnajökull ice cap, Iceland, that...
Authors
Dorothy K. Hall, Richard S. Williams, Oddur Sigurdsson
By
Woods Hole Coastal and Marine Science Center

Geological mapping of biological habitats on Georges Bank and Stellwaen Bank, Gulf of Maine region Geological mapping of biological habitats on Georges Bank and Stellwaen Bank, Gulf of Maine region

No abstract available.
Authors
Page C. Valentine, Eric A. Schmuck
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Radiocarbon ages of pre-bomb clams and the hard-water effect in Lakes Michigan and Huron Radiocarbon ages of pre-bomb clams and the hard-water effect in Lakes Michigan and Huron

Five radiocarbon ages, all determined by accelerator mass spectrometry, have been obtained for two pre-bomb bivalves from Lake Michigan and one from Lake Huron. After correcting those ages for the fractionation of14C in calcite and for the radioactively inert CO2 in the atmosphere, we find residual ages, caused by the hard water effect, of about 250 years for Lake Michigan and 440 years...
Authors
David K. Rea, Steven M. Colman
By
Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center

Paleocene to Middle Miocene planktic foraminifera of the southwestern Salisbury Embayment, Virginia and Maryland: biostratigraphy, allostratigraphy, and sequence stratigraphy Paleocene to Middle Miocene planktic foraminifera of the southwestern Salisbury Embayment, Virginia and Maryland: biostratigraphy, allostratigraphy, and sequence stratigraphy

The Paleocene to Middle Miocene sedimentary fill of the southwestern Salisbury Embayment contains a fragmental depositional record, interrupted by numerous local diastems and regional unconformities. Using planktic foraminiferal biostratigraphy, 15 unconformity-bounded depositional units have been identified, assigned to six formations and seven alloformations previously recognized in...
Authors
C. W. Poag, J.A. Commeau
By
Woods Hole Coastal and Marine Science Center
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