Results 291 to 300 of about 11,850,269 (338)
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Dense Bottom Currents in Rotating Ocean
Journal of the Hydraulics Division, 1980A dense bottom current is the flow created by a source of mass, momentum, and buoyancy flowing into an ambient fluid in such a way that the flow is bounded by the fixed wall and the interface. The dense bottom currents are primarily driven by buoyancy forces (reduced gravity).
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Entrainment by bottom currents in Lake Erie
Limnology and Oceanography, 1982Previous studies of the central basin of Lake Erie have indicated, on the basis lakewide budgets of heat and dissolved oxygen, that the thickness of the hypolimnion and the interaction of the hypolimnion with the overlying fluid are important factors governing the dissolved oxygen concentration in the near‐bottom water.
G. N. Ivey, F. M. Boyce
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A Bottom Current Along the Shelf Break
Journal of Physical Oceanography, 1975Abstract The theory of Hill and Johnson for upwelling over the shelf break is modified to give agreement with the work of Killworth. It is shown that when upwelling occurs over a discontinuity in bottom slope, this upwelling does not penetrate into the surface Ekman layer.
J. A. Johnson, P. D. Killworth
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Bottom current measurements in the Tasman Sea
Journal of Geophysical Research, 1969Bottom current velocities of 1 to 9 cm/sec were measured for periods of 0.5 to 1.2 hours at five sites in the Tasman Sea. At four sites a northerly component was present. Bottom photographs indicate stronger currents have occurred at several sites. The results in most cases support previous ideas on flow inferred from water properties.
N. P. Laird, T. V. Ryan
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Extreme Bottom Currents in the North Sea
1983During the last ten years currents have been measured at several locations in the North Sea. Due to the offshore activity special emphasis has been placed on currents in deeper layers of the sea and near the bottom. In 1978 the Norwegian Hydrodynamic Laboratories (NHL) commenced a project for Geoteam/Phillips Petroleum Company A/S to measure current ...
S. Tryggestad +3 more
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Ocean bottom mapping--Current status and requirements
OCEAN 75 Conference, 1975As exploration of the world's oceans continue, our analysis and portrayal of the sea floor topography becomes increasingly important. Such knowledge is necessary not only to maintain the safety of the world's mariner, but it is also essential to conserve and exploit the natural wealth in and under the seas.
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Hydraulic Jumps in Sediment‐Driven Bottom Currents
Journal of Hydraulic Engineering, 1993Laboratory experiments were conducted to observe the behavior of turbidity currents in the vicinity of a slope transition. Both sediment‐laden and saline hydraulic jumps were produced. The vertical structure of the currents was found to depend on flow regime. The saline and turbid hydraulic jumps showed similar characteristics.
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Bottom currents and bottom sediment distribution in Massachusetts Bay
Open-File Report, 1978Bradford Butman +3 more
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Ocean Bottom Seismology: History and Current Status
1986Ocean bottom seismographs (OBS) have been in use for almost 50 years. The earliest instruments were used for short range explosion refraction experiments but were soon abandoned when techniques involving near surface sources and receivers were introduced. Development of OBS technology revived during the late 1950’s inspired by interest in the detection
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Ocean-Bottom Currents Off the California Coast
Science, 1939F P, Shepard, R, Revelle, R S, Dietz
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