Results 291 to 300 of about 37,712 (344)

Amber in the Cretaceous deep sea deposits reveals large-scale tsunamis. [PDF]

Sci Rep
Kubota A, Takeda Y, Yi K, Sano SI, Iba Y.   +4 more
europepmc   +1 more source

Leveraging airborne imaging spectroscopy and multispectral satellite imagery to map glacial sediment plumes in Kachemak Bay, Alaska.

J Hydrol Reg Stud
Hartl L, Schmitt C, Stuefer M, Jenckes J, Page B, Crawford C, Schmidt G, Yang R, Hock R.   +8 more
europepmc   +1 more source

Evaluating the role of physical mechanisms as possible triggers for turbidity currents in a deep ocean seamount [Resumo]

Lebreiro, Susana M., Peliz, Álvaro, Antón, Laura, Nave, Silvia, Reguera, M. Isabel, Lozano-Luz, Rocío, Waelbroeck, Claire, Crowhurst, Simon, Martrat, Belen, Lopez, Jordi F., Hebert, Raphael, Lopez-Rodriguez, Alejandra   +11 more
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Turbulence Processes Within Turbidity Currents

Annual Review of Fluid Mechanics, 2021
Sediment-laden gravity currents, or turbidity currents, are density-driven flows that transport vast quantities of particulate material across the floor of lakes and oceans. Turbidity currents are generated by slope failure or initiated when a sediment-laden flow enters into a lake or ocean; here, lofting or convective sedimentation processes may ...
Wells, Mathew G., Dorrell, Robert M.
openaire   +4 more sources

Turbidity Currents and Their Deposits

Annual Review of Fluid Mechanics, 2010
The article surveys the current state of our understanding of turbidity currents, with an emphasis on their fluid mechanics. It highlights the significant role these currents play within the global sediment cycle, and their importance in environmental processes and in the formation of hydrocarbon reservoirs.
Eckart Meiburg, Ben Kneller
openaire   +3 more sources

Self-accelerating turbidity currents

Journal of Fluid Mechanics, 1986
Approximate layer-averaged equations describing the mechanics of turbid underflows are derived. Closure of the equations describing the balance of fluid mass, sediment mass, and mean flow momentum provides for the delineation of a three-equation model.
Parker, Gary, Fukushima, Yusuke, Pantin, Henry M.   +2 more
openaire   +1 more source

Turbidity Current Modelling

EAGE Research Workshop - From Seismic Interpretation to Stratigraphic and Basin Modelling, Present and Future, 2006
Algorithms for modelling of turbidity currents in three dimensions, to assist in the exploration of poorly imaged deposits, are described and examples given of their use. Key aspects of algorithm design are:- 1. Algorithm efficiency. Program must be capable of accurately modelling currents and their deposits with good resolution and on small computers.
openaire   +1 more source

Oblique reflection of turbidity currents

Geology, 1991
Turbidity currents meeting obstacles, for example, the margins of a confined basin, are subject to reflection. The consequent change in flow direction is expressed in the sequence of depositional structures of the resulting bed of sediment. Putative examples of orthogonal reflection have been described, based on 180° opposed current directions.
Ben Kneller, Deborah Edwards, William McCaffrey, Richard Moore   +3 more
openaire   +1 more source