Hydraulic Jumps in Sediment‐Driven Bottom Currents
Publication: Journal of Hydraulic Engineering
Volume 119, Issue 10
Abstract
Laboratory 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. The amount of water entrained by the flows through a jump was small. The change in flow regime caused a marked reduction of the bed shear stress downstream of the jump. In nature, a turbidity current experiencing a hydraulic jump will drop most of its bedload immediately downstream from the jump, while the suspended load will respond more gradually to the change in flow regime and will deposit sediment over a distance far exceeding 1,000 times the jump height.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 119 • Issue 10 • October 1993
Pages: 1094 - 1117
Copyright
Copyright © 1993 American Society of Civil Engineers.
History
Received: Sep 3, 1992
Published online: Oct 1, 1993
Published in print: Oct 1993
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