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Lutocline Behavior in High-Concentration Estuary
Publisher: American Society of Civil Engineers
Abstract: The behavior of the lutocline as a measure of fine sediment mixing in high-concentration estuaries is briefly examined with reference to the Jiaojiang estuary in China. A lutocline mixing index is introduced and shown to ...
Assessment of Hindered Settling of Fluid Mudlike Suspensions
Publisher: American Society of Civil Engineers
Abstract: A formula for the hindered settling velocity of fluid mudlike suspensions is determined based on Darcy's equation for pore water seepage in a consolidating particulate matrix, in which the specific permeability is obtained ...
Tidal Inlet Hydraulics
Publisher: American Society of Civil Engineers
Abstract: The unique physiographic features of tidal inlets make it convenient to treat inlet hydraulics in two parts, one pertaining to the channel through the land barrier, and the other to the near‐field region characterized by ...
Erosion of Soft Cohesive Sediment Deposits
Publisher: American Society of Civil Engineers
Abstract: Erosion behavior of soft cohesive sediment deposits has been investigated in laboratory experiments. Such deposits are representative of the top, active layer of estuarial beds. An experimental procedure involving layer ...
Mechanism for Formation of Lutoclines by Waves
Publisher: American Society of Civil Engineers
Abstract: The mechanism by which a suspended fine-sediment-induced pycnocline, or lutocline, is generated under wave action is examined. The steady-state form of the turbulent kinetic energy balance is used along with commonly invoked ...
Aggregation Rate of Fine Sediment
Publisher: American Society of Civil Engineers
Abstract: A dynamical description of estuarial fine sediment aggregation has been developed. The spectrum of fine particle or agglomerate size is represented by a discrete number of classes based on particle mass. Aggregation and ...
Problems in Characterizing Dynamics of Mud Shore Profiles
Publisher: American Society of Civil Engineers
Abstract: The relationship between profile shape and wave forcing at shores composed of soft mud is examined. At a given still water level, the modality of change in profile shape under wave action depends on the fluidization potential ...
Soft Mud Response to Water Waves
Publisher: American Society of Civil Engineers
Abstract: Motion within soft mud beds, wave‐induced bed shear stress, and wave attenuation under small amplitude waves are briefly examined using an analytic approach to gain insight into the mechanism by which coastal mud responds ...
Soft Mud Properties: Voigt Model
Publisher: American Society of Civil Engineers
Abstract: Laboratory tests show that the selected muds, with sediment concentration from 150 to 500 g/l, can resist shear force even after they were severely disturbed. These tests were conducted to clarify why the Voigt element, a ...
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