Yellow River formula addresses flood risk, sustainability

U.S. and Chinese geologists studying China's Yellow River have created a new tool that could help Chinese officials better predict and prevent the river's all-too-frequent floods, which threaten as many as 80 million people. ...

Thawing ice makes the Alps grow

The Alps are steadily "growing" by about one to two millimeters per year. Likewise, the formerly glaciated subcontinents of North America and Scandinavia are also undergoing constant upward movement. This is due to the fact ...

Coastal reefs may add to erosion woes

Planning for beachfront homes in WA could be improved following an analysis of Yanchep's reefs and beaches over 34 years which found reefs did not always reduce coastal erosion, as was previously thought.

Pebbles that disrupt landscapes

Transported by water or wind, sediments have a significant impact on the environment, and we cannot really quantify the magnitude of these events. A doctoral student at EPFL has proposed a new mathematical approach to these ...

Charting the slopes of sediment transport

In the Earth Surface Dynamics Lab at the California Institute of Technology (Caltech) the behavior of rivers is modeled through the use of artificial rivers—flumes—through which water can be pumped at varying rates over ...

Researchers model behavior of stream flow

Eighty billion metric tons is an unfathomable amount to the human brain. Yet that number is the estimation of the global amount of sediment eroded on a yearly basis over the continental surface of the earth. An estimated ...

Novel observations of currents and drag generated by a tsunami

Tsunamis cause damage even after they have traveled thousands of kilometers from their sources, and much of the damage is through generation of local strong currents. Even though wave heights of tsunamis that have traveled ...

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