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

Filter Total Items: 1737

Simultaneous determination of thermal conductivity, thermal diffusivity and specific heat in sI methane hydrate Simultaneous determination of thermal conductivity, thermal diffusivity and specific heat in sI methane hydrate

Thermal conductivity, thermal diffusivity and specific heat of sI methane hydrate were measured as functions of temperature and pressure using a needle probe technique. The temperature dependence was measured between −20°C and 17°C at 31.5 MPa. The pressure dependence was measured between 31.5 and 102 MPa at 14.4°C. Only weak temperature and pressure dependencies were observed. Methane...
Authors
W.F. Waite, L.A. Stern, S. H. Kirby, W.J. Winters, D.H. Mason

Law of the sea, the continental shelf, and marine research Law of the sea, the continental shelf, and marine research

The question of the amount of seabed to which a coastal nation is entitled is addressed in the United Nations Convention on the Law of the Sea (UNCLOS). This treaty, ratified by 153 nations and in force since 1994, specifies national obligations, rights, and jurisdiction in the oceans, and it allows nations a continental shelf out to at least 200 nautical miles or to a maritime boundary...
Authors
Deborah R. Hutchinson, Robert W. Rowland

Shoreline change as a proxy for subaerial beach volume change Shoreline change as a proxy for subaerial beach volume change

It is difficult and expensive to calculate changes in sediment volume for large sections of sandy beaches. Shoreline change could be a useful proxy for volume change because it can be collected quickly and relatively easily over long distances. In this paper, we summarize several studies that find a high correlation between shoreline change and subaerial volume change. We also examine...
Authors
Amy S. Farris, Jeffrey H. List

Vulnerability of National Park Service beaches to inundation during a direct hurricane landfall: Cumberland Island National Seashore Vulnerability of National Park Service beaches to inundation during a direct hurricane landfall: Cumberland Island National Seashore

Cumberland Island National Seashore, a barrier-island coastal park in Georgia, is vulnerable to the powerful, sand-moving forces of hurricanes. Waves and storm surge associated with these strong tropical storms are part of the natural process of barrier-island evolution and can cause extensive morphologic changes in coastal parks, leading to reduced visitor accessibility and enjoyment...
Authors
Hilary F. Stockdon, David M. Thompson, Laura A. Fauver

Vulnerability of National Park Service beaches to inundation during a direct hurricane landfall: Cape Lookout National Seashore Vulnerability of National Park Service beaches to inundation during a direct hurricane landfall: Cape Lookout National Seashore

Cape Lookout National Seashore, a barrier-island coastal park in North Carolina, is vulnerable to the powerful, sand-moving forces of hurricanes. Waves and storm surge associated with these strong tropical storms are part of a natural process in barrier-island evolution and can cause extensive morphologic changes in coastal parks, leading to road closures and reduced visitor...
Authors
Hilary F. Stockdon, David M. Thompson

Coastal change-potential assessment of Sleeping Bear Dunes, Indiana Dunes, and Apostle Islands National Lakeshores to lake-level changes Coastal change-potential assessment of Sleeping Bear Dunes, Indiana Dunes, and Apostle Islands National Lakeshores to lake-level changes

A change-potential index (CPI) was used to map the susceptibility of the shoreline to future lake-level change within Apostle Islands, Indiana Dunes, and Sleeping Bear Dunes National Lakeshores (NL) along Lake Superior and Lake Michigan. The CPI in the Great Lakes setting ranks the following in terms of their physical contribution to lake-level related coastal change: geomorphology...
Authors
Elizabeth A. Pendleton, E. Robert Thieler, S. Jeffress Williams

Historical Shoreline Changes at Rincon, Puerto Rico, 1936-2006 Historical Shoreline Changes at Rincon, Puerto Rico, 1936-2006

The coast from Punta Higuero to Punta Cadena in Rincon, Puerto Rico is experiencing long-term erosion. This study documents historical shoreline changes at Rincon for the period 1936-2006 and constitutes a significant expansion and revision of previous work. The study area extends approximately 8 km from Punta Higuero to Punta Cadena. Fourteen historical shoreline positions were compiled...
Authors
E. Robert Thieler, Rafael W. Rodriguez, Emily A. Himmelstoss

Potential for shoreline changes due to sea-level rise along the U.S. mid-Atlantic region Potential for shoreline changes due to sea-level rise along the U.S. mid-Atlantic region

Sea-level rise over the next century is expected to contribute significantly to physical changes along open-ocean shorelines. Predicting the form and magnitude of coastal changes is important for understanding the impacts to humans and the environment. Presently, the ability to predict coastal changes is limited by the scientific understanding of the many variables and processes involved...
Authors
Benjamin T. Gutierrez, S. Jeffress Williams, E. Robert Thieler

Insights on geochemical cycling of U, Re and Mo from seasonal sampling in Boston Harbor, Massachusetts, USA Insights on geochemical cycling of U, Re and Mo from seasonal sampling in Boston Harbor, Massachusetts, USA

This study examined the removal of U, Mo, and Re from seawater by sedimentary processes at a shallow-water site with near-saturation bottom water O2 levels (240–380 μmol O2/L), very high organic matter oxidation rates (annually averaged rate is 880 μmol C/cm2/y), and shallow oxygen penetration depths (4 mm or less throughout the year). Under these conditions, U, Mo, and Re were removed...
Authors
J.L. Morford, W. R. Martin, Linda H. Kalnejais, R. Francois, Michael H. Bothner, I.-M. Karle

Salt tectonics and shallow subseafloor fluid convection: Models of coupled fluid-heat-salt transport Salt tectonics and shallow subseafloor fluid convection: Models of coupled fluid-heat-salt transport

Thermohaline convection associated with salt domes has the potential to drive significant fluid flow and mass and heat transport in continental margins, but previous studies of fluid flow associated with salt structures have focused on continental settings or deep flow systems of importance to petroleum exploration. Motivated by recent geophysical and geochemical observations that...
Authors
A. Wilson, C. Ruppel

Role of sediment resuspension in the remobilization of particulate-phase metals from coastal sediments Role of sediment resuspension in the remobilization of particulate-phase metals from coastal sediments

The release of particulate-phase trace metals due to sediment resuspension has been investigated by combining erosion chamber experiments that apply a range of shear stresses typically encountered in coastal environments with a shear stress record simulated by a hydrodynamic model. Two sites with contrasting sediment chemistry were investigated. Sediment particles enriched in silver...
Authors
Linda H. Kalnejais, William R. Martin, Richard P. Signell, Michael H. Bothner

Amplitude loss of sonic waveform due to source coupling to the medium Amplitude loss of sonic waveform due to source coupling to the medium

In contrast to hydrate-free sediments, sonic waveforms acquired in gas hydrate-bearing sediments indicate strong amplitude attenuation associated with a sonic velocity increase. The amplitude attenuation increase has been used to quantify pore-space hydrate content by attributing observed attenuation to the hydrate-bearing sediment's intrinsic attenuation. A second attenuation mechanism...
Authors
Myung W. Lee, William F. Waite
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