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Scientific literature and information products produced by Woods Hole Coastal and Marine Science Center staff

Filter Total Items: 1737

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

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

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

Foreword Foreword

No abstract available.
Authors
H.J. deBlij, R.S. Williams

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

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

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

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

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

Iron and manganese oxide mineralization in the Pacific Iron and manganese oxide mineralization in the Pacific

Iron, manganese, and iron-manganese deposits occur in nearly all geomorphologic and tectonic environments in the ocean basins and form by one or more of four processes: (1) hydrogenetic precipitation from cold ambient seawater, (2) precipitation from hydrothermal fluids, (3) precipitation from sediment pore waters that have been modified from bottom water compositions by diagenetic...
Authors
J.R. Hein, A. Koschinsky, P. Halbach, F.T. Manheim, M. Bau, J.-K. Kang, N. Lubick

Impact of an extreme event on the sediment budget: Hurricane Andrew in the Louisiana barrier islands Impact of an extreme event on the sediment budget: Hurricane Andrew in the Louisiana barrier islands

This paper examines the influence of Hurricane Andrew on the sediment budget of an 80-kilometer section of the Louisiana barrier islands west of the modern Mississippi delta. Because long-term bathymetric change has been extensively studied in this area, excellent baseline data are available for evaluating the impact of Hurricane Andrew. Results show that despite the high intensity of...
Authors
Jeffrey H. List, Mark E. Hansen, Sallenger, Bruce E. Jaffe
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