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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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Pragmatically mapping Phragmites with unoccupied aerial systems: A comparison of invasive species land cover classification using RGB and multispectral imagery

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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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January 1, 1997

A preliminary investigation of siliceous microfossil succession in late quaternary sediments from Lake Baikal, Siberia A preliminary investigation of siliceous microfossil succession in late quaternary sediments from Lake Baikal, Siberia

Siliceous microfossil assemblage succession was analyzed in a 100 m sediment core from Lake Baikal, Siberia. The core was recovered from the lake's central basin at a water depth of 365 m. Microfossil abundance varied greatly within the intervals sampled, ranging from samples devoid of siliceous microfossils to samples with up to 3.49 x 1011 microfossils g-1 sediment. Fluctuations in...

Authors

M. L. Julius, E. F. Stoermer, S.M. Colman, T. C. Moore

Woods Hole Coastal and Marine Science Center

January 1, 1997

Roadblocks on the kill curve: Testing the Raup hypothesis Roadblocks on the kill curve: Testing the Raup hypothesis

The documented presence of two large (~100-km diameter), possibly coeval impact craters of late Eocene age, requires modification of the impact-kill curve proposed by David M. Raup. Though the estimated meteorite size for each crater alone is large enough to have produced considerable global environmental stress, no horizons of mass mortality or pulsed extinction are known to be...

Authors

C. W. Poag

Woods Hole Coastal and Marine Science Center

January 1, 1997

Bathymetric comparisons adjacent to the Louisiana barrier islands: Processes of large-scale change Bathymetric comparisons adjacent to the Louisiana barrier islands: Processes of large-scale change

This paper summarizes the results of a comparative bathymetric study encompassing 150 km of the Louisiana barrier-island coast. Bathymetric data surrounding the islands and extending to 12 m water depth were processed from three survey periods: the 1880s, the 1930s, and the 1980s. Digital comparisons between surveys show large-scale, coherent patterns of sea-floor erosion and accretion...

Authors

J. H. List, B. E. Jaffe, A. H. Sallenger, M. E. Hansen

Woods Hole Coastal and Marine Science Center

January 1, 1997

Foreword Foreword

No abstract available.

Authors

H.J. deBlij, R.S. Williams

Woods Hole Coastal and Marine Science Center

January 1, 1997

Mapping the sea floor geology offshore of the New York-New Jersey metropolitan area using sidescan-sonar: Preliminary report Mapping the sea floor geology offshore of the New York-New Jersey metropolitan area using sidescan-sonar: Preliminary report

No abstract available.

Authors

William C. Schwab, W. Corso, M. A. Allison, B. Butman, J. F. Denny, L. Lotto, W. W. Danforth, D.S. Foster, T.F. O’Brien, D. A. Nichols, B.J. Irwin, K. F. Parolski

Woods Hole Coastal and Marine Science Center

January 1, 1997

The wind-forced response on a buoyant coastal current: Observations of the western Gulf of Maine plume The wind-forced response on a buoyant coastal current: Observations of the western Gulf of Maine plume

The Freshwater plume in the western Gulf of Maine is being studied as part of an interdisciplinary investigation of the physical transport of a toxic alga. A field program was conducted in the springs of 1993 and 1994 to map the spatial and temporal patterns of salinity, currents and algal toxicity. The observations suggest that the plume's cross-shore structure varies markedly as a...

Authors

D.A. Fong, W.R. Geyer, R. P. Signell

Woods Hole Coastal and Marine Science Center

January 1, 1997

Physical processes affecting the sedimentary environments of Long Island Sound Physical processes affecting the sedimentary environments of Long Island Sound

A modeling study was undertaken to simulate the bottom tidal-, wave-, and wind-driven currents in Long Island Sound in order to provide a general physical oceanographic framework for understanding the characteristics and distribution of seafloor sedimentary environments. Tidal currents are important in the funnel-shaped eastern part of the Sound, where a strong gradient of tidal-current...

Authors

R. P. Signell, H.J. Knebel, J. H. List, A.S. Farris

Woods Hole Coastal and Marine Science Center, USGS Science in Long Island Sound and its Watershed

January 1, 1997

Comparison of satellite-derived with ground-based measurements of the fluctuations of the margins of Vatnajökull, Iceland, 1973–92 Comparison of satellite-derived with ground-based measurements of the fluctuations of the margins of Vatnajökull, Iceland, 1973–92

Vatnajökull, Iceland, is the Earth’s most studied ice cap and represents a classical glaciological field site on the basis of S. Pálsson’s seminal glaciological field research in the late 18th century. Since the 19th century, Vatnajökull has been the focus of an array of glaciological studies by scientists from many nations, including many remote-sensing investigations since 1951...

Authors

Richard S. Williams, Dorothy K. Hall, Oddur Sigurdsson, Janet Y.L. Chien

Woods Hole Coastal and Marine Science Center

January 1, 1997

The Chesapeake Bay bolide impact: A convulsive event in Atlantic Coastal Plain evolution The Chesapeake Bay bolide impact: A convulsive event in Atlantic Coastal Plain evolution

Until recently, Cenozoic evolution of the Atlantic Coastal Plain has been viewed as a subcyclical continuum of deposition and erosion. Marine transgressions alternated with regressions on a slowly subsiding passive continental margin, their orderly succession modified mainly by isostatic adjustments, occasional Appalachian tectonism, and paleoclimatic change. This passive scenario was...

Authors

C. Wylie Poag

Woods Hole Coastal and Marine Science Center

January 1, 1997

Sediment transport pathway in the back of a nearly semienclosed subembayment of San Francisco Bay, California Sediment transport pathway in the back of a nearly semienclosed subembayment of San Francisco Bay, California

Time series measurements of current velocity, depth and suspended-solids concentration (SSC) were used to obtain suspended-solids fluxes (SSF) during the fall at central Honker Bay and Spoonbill Creek. A wind-induced shear stress increases SSF out of Honker Bay through Spoonbill Creek by combining two effects: (1) wind-wave resuspension of bed sediments, and (2) wind shear raises the...

Authors

John C. Warner, David H. Schoellhamer, Jon R. Burau

Woods Hole Coastal and Marine Science Center

January 1, 1997

Anthropogenic molecular markers: Tools to identify the sources and transport pathways of pollutants Anthropogenic molecular markers: Tools to identify the sources and transport pathways of pollutants

The activities of modern civilization have released to the oceans a wide variety of both mobilized natural compounds and synthetic compounds not found prior to modern times. Many of these compounds provide a means of identifying sources of inputs and pathways of movement of chemicals through oceanic ecosystems and serve as molecular markers of human activities. A coastal ocean (Tokyo Bay...

Authors

H. Takada, F. Satoh, Michael H. Bothner, B.W. Tripp, C.G. Johnson, J.W. Farrington

Woods Hole Coastal and Marine Science Center

January 1, 1997

Effects of bottom fishing on the benthic megafauna of Georges Bank Effects of bottom fishing on the benthic megafauna of Georges Bank

This study addresses ongoing concerns ever the effects of mobile fishing gear on benthic communities. Using side-scan sonar, bottom photographs and fishing records, we identified a set of disturbed and undisturbed sites on the gravel pavement area of northern Georges Bank in the northwest Atlantic. Replicate samples of the megofauna were collected with a 1 m Naturalists' dredge on 2...

Authors

J.S. Collie, G.A. Escanero, P. C. Valentine

Woods Hole Coastal and Marine Science Center