Showing papers in "Continental Shelf Research in 1999"

TL;DR: In this article, a descriptive classification scheme is developed to unify the approaches of marine geologists and physical oceanographers, which emphasizes the formation and present hydrodynamic setting in their long-term development.

TL;DR: The relationship among primary production, chlorophyll, nutrients, irradiance and mixing processes along the salinity gradient in the Mississippi River outflow region was examined in a series of six cruises during 1988-1992 at various times of year and stages of river discharge as discussed by the authors.

TL;DR: Gersbach et al. as discussed by the authors showed that there is a cool equatorward coastal countercurrent running close inshore in the extreme southwest during the summer months, which is known as the Capes Current.

TL;DR: Using the seasonally averaged distributions of the wind (30-year mean of Comprehensive Ocean Atmosphere Data Set) and density (data from 1961 to 1990 supplied by Japan Oceanographic Data Center) in the East China and Yellow Seas, Wang et al. as discussed by the authors determined the volume transport distribution diagnostically through a numerical model in which they solved the vorticity equation of the vertically averaged flow.

TL;DR: In this paper, sediment compositions relative to hydro-dynamic regimes could account for 80-90% of heavy metal variations along with the spread of fresh water effluents from the Changjiang, and terrigenous sediments disperse for a distance of 250-300 km eastwards over East China Sea shelf regions.

TL;DR: Trace and major elements were measured in sediment cores collected at the shelf and continental slope of the Banc d'Arguin (Mauritania) sediment.

TL;DR: In this article, the potential for benthic microalgal primary production on the continental shelf of the South Atlantic Bight (SAB) was characterized over a depth range of 14-40m off Georgia and 20-40 m off northeastern Florida.

TL;DR: In this article, the influence of nutrients in the Galician coastal zone was analyzed using data from 1977 to 1992, obtained from research cruises on the continental shelf and in the Rias.

TL;DR: In this article, large wave ripples and upper-plane bed sheet flow were observed under combined waves and currents during storms at 39m water depth on the Scotian Shelf.

TL;DR: Lead stable isotopes have been analyzed in 24 box-cores (0-50 cm) from various transects across the Gulf of Lions as discussed by the authors, showing the impact of pollutant lead that constitutes 22-80% of the lead accumulated in the first centimeter of these cores.

TL;DR: In this paper, an average sediment accumulation rate, suspended-sediment budget in the Proximal Mud Deposits (PMD) and the DMD was calculated, which provides important information about distribution patterns and transport directions.

TL;DR: In this article, a three-dimensional baroclinic model, incorporating an accurate density advection scheme, and a range of turbulence closure models which can account for wind-wave turbulence at the sea surface, is used to examine the horizontal spreading and vertical mixing of a surface buoyant plume under the range of idealized wind stresses and bottom topography variations.

TL;DR: In this paper, synthetic aperture radar (SAR) images of the Malin Shelf break area on August 20th and 21st 1995 separated by 24 hours show nearly identical internal wave signatures, with small spatial displacements between the two images.

TL;DR: In this article, the authors present measurements of dissolved vanadium in waters of the Louisiana Shelf affected by outflow from the Mississippi/Atchafalaya River system and find no compelling evidence of biological removal of vanadium from estuarine surface waters.

TL;DR: In this paper, highfrequency measurements of turbulence and vertical profiles of the time-averaged suspended sediment concentration, C, were obtained in the bottom 1.2 m of the water column above a rippled bed in a water depth of approximately 20 m using the autonomous multisensor instrument STABLE.

TL;DR: In this paper, a three-dimensional baroclinic simulation of the southern North Sea at the time of the North Sea Project (NSP), with density controlled by a prognostically evolving temperature field forced by surface heat fluxes from bulk formulae, is presented.

TL;DR: In this article, a total of 111 Petersen grab sediment samples collected during two cruises in 1991 and 1993 on the inner and middle continental shelf between Guanabara Bay and Sao Francisco do Sul, on the southeastern Brazilian margin, were analyzed for the purpose of understanding the nature and distribution of the organic matter in the surface sediments.

TL;DR: In this article, velocity and particle pro"les were used to reconstruct a 3-dimensional grid of the #ow "eld and resulting particle transport in a submarine canyon in the NW Mediterranean Sea.

TL;DR: In this paper, two sampling cruises conducted in the Seine estuary (France) under low-water and flood conditions produced high resolution profiles for dissolved cadmium, lead, copper, zinc and nickel concentrations versus salinity.

TL;DR: The Oder river discharge into the Pomeranian Bight of the Baltic Sea was investigated in a combined study using satellite data, numerical modelling and shipborne measurements in this paper.

TL;DR: In this article, the hydrodynamic properties of cohesive sediment flocs in tidal waters and the resulting sediment transport depend on the strength of the floc, using the concept of self-similar floc structure, estimates of floc strength are obtained from observed maximum sizes of settling floc and from rheological data.

TL;DR: In this paper, a shallow cavity natural convection model was applied to the Herald Loop channel to determine the contribution of the saline discharge from Hamelin Pool to the observed variable stratification.

TL;DR: In this paper, seasonal observations on the nature and concentration of suspended particulate matter (SPM) are presented for a cross-section of the English Channel, between the Isle of Wight (UK) and Cotentin peninsula (France) i.e. the western boundary of the eastern English Channel.

TL;DR: In this article, from analytical and numerical solutions of linear, viscous, cross-sectionally averaged equations for tidal motion in a channel, it is seen that the observed amplification results from a combination of quarter-wavelength resonance, geometric effect due to decrease in width of the channel, and friction.

TL;DR: In this paper, a transect between Cherbourg and the Isle of Wight was investigated in the English Channel and dissolved vanadium and chromium concentrations were measured at two different depths (surface and bottom) at five sampling stations.

TL;DR: In this article, the distribution of trace metals was determined in coastal waters around England during cruises in December 1993 (CH108), October 1994 (CH115), January 1995 (CH117) and April 1995(CH118).

TL;DR: Kaihatu et al. as discussed by the authors used a real-vector empirical orthogonal function (EOF) analysis of surface currents measured by HF Doppler radar as part of a study of the Chesapeake Bay outflow plume.

TL;DR: In this article, the dispersion of a produced water plume from an outfall in the Santa Barbara Channel near Carpinteria, CA was studied and a buoyant plume model was used to simulate near-field dispersion with current statistics combined with an elementary solution to the diffusion equation.

TL;DR: In this paper, carbon and nitrogen mineralization were determined in sediments from about 100 to 1000m depth on the continental shelf and slope off the Pacific coast of Mexico and Washington State.

TL;DR: In this paper, the authors present spatial and temporal distributions of freshwater height and potential energy in the Skagerrak during the period of SKAGEX, and qualitatively verify that the freshwater flow within the coastal currents is in geostrophic balance and proportional to the freshwater height squared.