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Cohesive Sediment

The effect of coarse gravel on cohesive sediment entrapment in an annular flume

The effect of coarse gravel on cohesive sediment entrapment in an annular flume

... While cohesive sediment generally represents a small fraction ...total sediment mass stored in gravel-bed rivers, it can strongly influence physical and biogeochemical processes in the hyporheic zone ...

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Secondary Flow Effects on Deposition of Cohesive Sediment in a Meandering Reach of Yangtze River

Secondary Flow Effects on Deposition of Cohesive Sediment in a Meandering Reach of Yangtze River

... model is applied to a meandering reach of Yangtze River to investigate secondary flow effects on 13.. cohesive sediment deposition, and a preferable submodel is selected based on the fl[r] ...

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Theory on Orthokinetic Flocculation of  Cohesive Sediment: A Review

Theory on Orthokinetic Flocculation of Cohesive Sediment: A Review

... of cohesive fine-grained sediment has been a important part of sediment ...of cohesive sediment, the influence of flow shear on sediment flocculation has been paid great at- ...

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3-D Hydrodynamic and Non-Cohesive Sediment Transport Modeling in the Lower Mississippi River

3-D Hydrodynamic and Non-Cohesive Sediment Transport Modeling in the Lower Mississippi River

... The purpose of this research is to develop a 3-D numerical model on the Lower Mississippi River to simulate hydrodynamics and non-cohesive sediment transport. The study reach extends from Bonnet Carré ...

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Mechanisms of vegetation uprooting by flow in alluvial non cohesive sediment

Mechanisms of vegetation uprooting by flow in alluvial non cohesive sediment

... non-cohesive sediment is currently an open question that we conceptually address in this ...stantial sediment erosion exposing the root system and result- ing in a decreased anchoring resistance, ...

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Measuring and understanding biogenic influences upon cohesive sediment stability in intertidal systems

Measuring and understanding biogenic influences upon cohesive sediment stability in intertidal systems

... tide cohesive sediments retain a large volume of water within the inter particle ...the sediment is relatively stable, certainly in comparison to sandy and rocky intertidal systems, with only minimal ...

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Study of Turbulence Within Constriction in Cohesive Sediment Bed

Study of Turbulence Within Constriction in Cohesive Sediment Bed

... The present study provides the turbulent characteristic within contracted reach of channel for a wide range of cohesive sediment properties. Stream wise, transverse and vertical mean velocities; Stream ...

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Modelling the cohesive sediment transport in the marine environment: the case of Thermaikos Gulf

Modelling the cohesive sediment transport in the marine environment: the case of Thermaikos Gulf

... the cohesive flocks’ surface, grad- ually released to the aquatic ...of sediment particles coming from a given pollu- tant source is expected to provide the ’bulk’ information on pollutant distribution, ...

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Tidal effects on cohesive sediment transport in the Western Scheldt : an identification of model parameters using the extended Kalmar filter

Tidal effects on cohesive sediment transport in the Western Scheldt : an identification of model parameters using the extended Kalmar filter

... We will use the method of the extended Kalman filter in the next chapters to obtain estimates of the four unknown parameters of the model, which describes the tidal effects on the cohesi[r] ...

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Cohesive and mixed sediment in the Regional Ocean Modeling System (ROMS v3.6) implemented in the Coupled Ocean–Atmosphere–Wave–Sediment Transport Modeling System (COAWST r1234)

Cohesive and mixed sediment in the Regional Ocean Modeling System (ROMS v3.6) implemented in the Coupled Ocean–Atmosphere–Wave–Sediment Transport Modeling System (COAWST r1234)

... and sediment transport ...of cohesive sediment have been derived from laboratory flume mea- surements and field experiments (Whitehouse et ...

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Dynamics of sediment transport and erosion deposition patterns in the locality of a detached low crested breakwater on a cohesive coast

Dynamics of sediment transport and erosion deposition patterns in the locality of a detached low crested breakwater on a cohesive coast

... of sediment transport and erosion-deposition patterns in the locality of a coastal structure is vital to evaluating the performance of coastal structures and predicting the changes in coastal dynamics caused by a ...

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Uncertainty Quantification in 2D Morphodynamic Model: Application to the Gironde Estuary.

Uncertainty Quantification in 2D Morphodynamic Model: Application to the Gironde Estuary.

... of cohesive and non cohesive sediment in the area of the estuary are established by the quantiles P [d ≥ 63µm] and P [d ≤ 63µm] of this probability distribution (Figure ...of cohesive and non ...

8

Criteria for Distinguishing Floc  Sedimentation and Gel Like Network  Sedimentation of Cohesive Fine Grained  Sediment in a Turbulent Flow

Criteria for Distinguishing Floc Sedimentation and Gel Like Network Sedimentation of Cohesive Fine Grained Sediment in a Turbulent Flow

... of cohesive sediment in a turbulent flow, we adopted concepts of “characteristic floc” and critical condition of occurrence of a gel-like network structure both put forward by Zhu et ...given ...

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SI: Two centuries of modelling across scales Laboratory rivers: Lacey’s law, threshold theory, and channel stability

SI: Two centuries of modelling across scales Laboratory rivers: Lacey’s law, threshold theory, and channel stability

... and cohesive sediment to the mixture injected into the ex- periment (Schumm et ...the sediment they grow upon from ...to sediment discharge, controls the plan- form geometry of laboratory ...

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A combined model of sediment production, supply and transport

A combined model of sediment production, supply and transport

... with sediment production on bare slopes; then, the sediments form talus deposits along the stream ...for sediment production, sediment supply, and sediment transport, and proposed an ...

9

Simulation of Dynamic Interface Fracture Using Spectral Boundary Integral Method

Simulation of Dynamic Interface Fracture Using Spectral Boundary Integral Method

... Ortiz-Camacho cohesive zone model, the cohesive tractions are reduced linearly to zero during closing and the cohesive tractions are revamped from zero during ...rate-independent cohesive zone ...

82

Erosion of banks along Piedmont urban streams

Erosion of banks along Piedmont urban streams

... lower layer i s composed of non-cohesive channel deposits and the upper layer consists of cohesive, fine-grained flood deposits.. This simple picture may be radica[r] ...

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Cohesive institutions and political violence

Cohesive institutions and political violence

... Table 2: The effect of resource rents on political violence when local councils are appointed Type of Event 1 Overall Panel A: OLS LGC Statutory Allocations Observations Number of LGCs M[r] ...

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Cohesive Properties of the Caulobacter crescentus Holdfast Adhesin Are Regulated by a Novel c di GMP Effector Protein

Cohesive Properties of the Caulobacter crescentus Holdfast Adhesin Are Regulated by a Novel c di GMP Effector Protein

... To analyze the adhesive forces of wild-type and mutant holdfasts more precisely, we used a single-cell force spectroscopy (SCFS) approach and fluidic force microscopy (FluidFM) technology. This setup enables single-cell ...

15

Studies on Plasma Sprayed Thermal Barrier Coating with Increase in Coating Thickness

Studies on Plasma Sprayed Thermal Barrier Coating with Increase in Coating Thickness

... The investigations on improvement in the coatings were carried out on cylindrical liners. The coating adheres firmly to the substrate by the help of bond coat and the functional characteristics vary with the increase in ...

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