The effect of particle size on bedrock erosion rates adds complexity to modeling bedrock channel evolution.
Rivers
Posted inScience Updates
Small Rivers Could Have Big Impact on Arctic Ocean
The Mackenzie River carries the bulk of freshwater flow from North America's tundra to the North Atlantic. But what about the effects of smaller rivers from Canada's Arctic islands?
Posted inResearch Spotlights
Using Sound Waves to Study Grand Canyon Sediment
New technology could help scientists understand how experimental floods from Glen Canyon Dam restore sandbars downstream.
Posted inResearch Spotlights
Dynamics of the Earth's Surface in the Eastern Tibetan Plateau
River erosion increased rapidly following rock uplift events in the plateau approximately 11 million years ago.
Posted inResearch Spotlights
Shape of Stream Channels Gives Clues to Sediment Size
The shape can also reveal information on the force required to carve sediment from its bank.
Posted inResearch Spotlights
Bank Materials Strongly Influence River Valley Evolution
Models suggest that the shape of river valleys depends strongly on how meandering rivers interact with the sediment and bedrock of the banks.
Posted inResearch Spotlights
Exploring How Water Flow Affects Bed Forms in Different Environments
In a flat sand bed, water creates undulating features.
Posted inResearch Spotlights
Hillslopes Regulate Sediment Supply to River Channels
New study rethinks dynamics of runoff-driven erosion in response to rainstorms.
Posted inResearch Spotlights
Modeling Sand Grains in Water
Scientist creates a numerical model that explores sediment transport.
Posted inResearch Spotlights
How Do Aquatic Plants Direct Where Other Stalks Grow?
By changing the flow of the river, aquatic plants affect the distribution of nutrients on the riverbed.