Potential erosion capacity of gravity currents created by changing initial conditions
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Gravity currents are density-driven flows which can have a high sediment transport capacity. When occurring in reservoirs, lakes and in oceans, significant geomorphic changes may occur at the bottom. The coupling between the hydrodynamics of the gravity cu ...
In the lock-exchange technique used to produce gravity currents, two fluids of different densities are initially at rest in a tank and separated by a vertical barrier, the lock gate. When this gate is suddenly removed, the two fluids come into contact and, ...
We study theoretically the erosion threshold of a granular bed forced by a viscous fluid. We first introduce a model of interacting particles driven on a rough substrate. It predicts a continuous transition at some threshold forcing theta(c), beyond which ...
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In laboratory experiments, the influence of inflow and outflow sequences on the behavior of fine sediment was investigated. The experimental set-up consisted of two interconnected rectangular basins, between which water was moved back and forth. Suspended ...
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We summarize here the results presented and subsequent discussion from the meeting on Integrating Hebbian and Homeostatic Plasticity at the Royal Society in April 2016. We first outline the major themes and results presented at the meeting. We next provide ...
The ability to evaluate stream hydrochemistry is often constrained by the capacity to sample streamwater at an adequate frequency. While technology is no longer a limiting factor, costs and sample management can still be a barrier to high-resolution water ...