Numerous theories have been presented over the years for quantifying bedload transport in streams and rivers. These derived using physical processes, statistical methods, semiempirical empirical methods rely on a variety of hydraulic, boundary, bed material properties. Most these equations represent instantaneous related to temporal hydraulic conditions are not well-suited estimate long-term av...

Bedload transport by a vertical jet impinging upon sediments Bruce R. Sutherland1,a) and Stuart Dalziel2 1Department of Physics, University of Alberta, Edmonton, Alberta T6G 2E1, Canada and Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada 2Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge CB3, Unit...

The riverine transport of elements from land to ocean is an integral flux for many element cycles and an important climate regulating process over geological timescales. This flux consists of both dissolved and particulate material. The world’s rivers are estimated to transport between 16.6 and 30 Gt yr 1 of particulate material, considerably higher than the dissolved flux of 1 Gt yr . Therefor...

Jennings and Hunt (2009: 76) note that “postlarval or juvenile dispersal is important because for many species this is a last chance to migrate to their adult location (Hiddink and Wolff, 2002) as mobility often decreases with increasing size.”2 Postsettlement passive transport and recruitment of nonsessile bivalves under rigorous hydrodynamic conditions is not a new observation, although it wa...

In forested mountain catchment areas, both bedload and large wood (LW) can be transported during ordinary flows. Retention structures such as sediment traps or racks are built to mitigate potential hazards downstream. Up now, the design of these retention focuses on either LW bedload. addition, majority tend retain bedload, while transport continuity flows is an important aspect considered in d...

Mount Merapi, located between the provinces of Central Java and Yogyakarta, is one most active volcanoes, regularly spewing lahar material supplying sediment to surrounding rivers. These rivers are classified as volcanic some utilized irrigation water sources, flowing through densely populated areas that require construction river structures such retaining walls, bridge pillars, weirs, groundsi...

Bedload transport generally depends on the bed shear stress and Reynolds number. Many studies conducted for the condition of turbulent flows have revealed the dependence of the transport rate on the bed shear stress, while knowledge of the Reynolds number effect on the transport rate is very limited. As an extreme case to reflect the viscous effect on sediment transport, sediment transport in l...

A model is presented that simulates the effects of streamflow and sediment transport on survival of salmonid embryos incubating in spawning gravels in a natural channel. Components of the model include a 6-yr streamflow record, an empirical bed load-transport function, a relation between transport and infiltration of sandy bedload into a gravel bed, effects of fine-sediment infiltration on grav...