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

Filter Total Items: 1737

Strange bedfellows - A deep-water hermatypic coral reef superimposed on a drowned barrier island; Southern Pulley Ridge, SW Florida platform margin Strange bedfellows - A deep-water hermatypic coral reef superimposed on a drowned barrier island; Southern Pulley Ridge, SW Florida platform margin

The southeastern component of a subtle ridge feature extending over 200 km along the western ramped margin of the south Florida platform, known as Pulley Ridge, is composed largely of a non-reefal, coastal marine deposit. Modern biostromal reef growth caps southern Pulley Ridge (SPR), making it the deepest hermatypic reef known in American waters. Subsurface ridge strata are layered...
Authors
B. D. Jarrett, A. C. Hine, R. B. Halley, D. F. Naar, S. D. Locker, A.C. Neumann, D. Twichell, C. Hu, B.T. Donahue, W.C. Jaap, D. Palandro, K. Ciembronowicz

Coastal vulnerability assessment of Channel Islands National Park (CHIS) to sea-level rise Coastal vulnerability assessment of Channel Islands National Park (CHIS) to sea-level rise

A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Channel Islands National Park off the coast of California. The CVI ranks the following in terms of their physical contribution to sea-level rise-related coastal change: geomorphology, regional coastal slope, rate of relative sea-level rise, historical shoreline...
Authors
Elizabeth A. Pendleton, E. Robert Thieler, S. Jeffress Williams

Coastal vulnerability assessment of War in the Pacific National Historical Park to sea-level rise Coastal vulnerability assessment of War in the Pacific National Historical Park to sea-level rise

A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within War in the Pacific National Historical Park (NHP) on the island of Guam. The CVI ranks the following in terms of their physical contribution to sea-level rise-related coastal change: geomorphology, regional coastal slope, rate of relative sea-level rise, historical...
Authors
Elizabeth A. Pendleton, E. Robert Thieler, S. Jeffress Williams

Coastal vulnerability assessment of Dry Tortugas National Park (DRTO) to sea-level rise Coastal vulnerability assessment of Dry Tortugas National Park (DRTO) to sea-level rise

A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Dry Tortugas National Park in Florida. The CVI ranks the following in terms of their physical contribution to sea-level rise-related coastal change: geomorphology, regional coastal slope, rate of relative sea-level rise, historical shoreline change rates, mean tidal...
Authors
Elizabeth A. Pendleton, E. Robert Thieler, S. Jeffress Williams

Structure and variability of the Western Maine Coastal Current Structure and variability of the Western Maine Coastal Current

Analyses of CTD and moored current meter data from 1998 and 2000 reveal a number of mechanisms influencing the flow along the western coast of Maine. On occasions, the Eastern Maine Coastal Current extends into the western Gulf of Maine where it takes the form of a deep (order 100 m deep) and broad (order 20 km wide) southwestward flow with geostrophic velocities exceeding 20 cm s -1...
Authors
J.H. Churchill, N.R. Pettigrew, R. P. Signell

Coastal vulnerability assessment of National Park of American Samoa (NPSA) to sea-level rise Coastal vulnerability assessment of National Park of American Samoa (NPSA) to sea-level rise

A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within National Park of American Samoa. The CVI ranks the following in terms of their physical contribution to sea-level rise-related coastal change: geomorphology, regional coastal slope, rate of relative sea-level rise, historical shoreline change rates, mean tidal range...
Authors
Elizabeth A. Pendleton, E. Robert Thieler, S. Jeffress Williams

Seismic architecture and lithofacies of turbidites in Lake Mead (Arizona and Nevada, U.S.A.), an analogue for topographically complex basins Seismic architecture and lithofacies of turbidites in Lake Mead (Arizona and Nevada, U.S.A.), an analogue for topographically complex basins

Turbidites, which have accumulated in Lake Mead since completion of the Hoover Dam in 1935, have been mapped using high-resolution seismic and coring techniques. This lake is an exceptional natural laboratory for studying fine-grained turbidite systems in complex topographic settings. The lake comprises four relatively broad basins separated by narrow canyons, and turbidity currents run...
Authors
D.C. Twichell, V.A. Cross, A.D. Hanson, B.J. Buck, J.G. Zybala, M.J. Rudin

Performance of four turbulence closure models implemented using a generic length scale method Performance of four turbulence closure models implemented using a generic length scale method

A two-equation turbulence model (one equation for turbulence kinetic energy and a second for a generic turbulence length-scale quantity) proposed by Umlauf and Burchard [J. Marine Research 61 (2003) 235] is implemented in a three-dimensional oceanographic model (Regional Oceanographic Modeling System; ROMS v2.0). These two equations, along with several stability functions, can represent...
Authors
J.C. Warner, C. R. Sherwood, H.G. Arango, R. P. Signell

A modified beam-to-earth transformation to measure short-wavelength internal waves with an acoustic Doppler current profiler A modified beam-to-earth transformation to measure short-wavelength internal waves with an acoustic Doppler current profiler

The algorithm used to transform velocity signals from beam coordinates to earth coordinates in an acoustic Doppler current profiler (ADCP) relies on the assumption that the currents are uniform over the horizontal distance separating the beams. This condition may be violated by (nonlinear) internal waves, which can have wavelengths as small as 100-200 m. In this case, the standard...
Authors
A. Scotti, B. Butman, R.C. Beardsley, P. S. Alexander, S. Anderson

Geochemical constraints on the distribution of gas hydrates in the Gulf of Mexico Geochemical constraints on the distribution of gas hydrates in the Gulf of Mexico

Gas hydrates are common within near-seafloor sediments immediately surrounding fluid and gas venting sites on the continental slope of the northern Gulf of Mexico. However, the distribution of gas hydrates within sediments away from the vents is poorly documented, yet critical for gas hydrate assessments. Porewater chloride and sulfate concentrations, hydrocarbon gas compositions, and...
Authors
C. K. Paull, W. Ussler, T. Lorenson, W. Winters, J. Dougherty
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