Figure 1: The Mississippi River drainage basin and the lower Mississippi River. Figure 2: Sediment transport data from Thebes, Illinois, and Tarbert Landing, Mississippi. Figure 3: Model results for ...

For centuries, the sandbars in the Cedar River drifted and flowed with the river current. Then, in the late 1800s, William King thought about how useful that sand would be in making plaster and cement ...

Since the early 20th century, the U.S. Army Corps of Engineers has been dredging the Mississippi River annually to keep the channel open for boats, ships and barges. Each year, the Corps removes about ...

Julian Leyland receives funding from UKRI. Sand underpins everything from skyscrapers to smartphones. Sharp sand (as opposed to rounded desert sand) is the key ingredient in concrete, while ...

It is extraordinary how few people know anything about sand mining. Up to 50 billion tonnes of sand and gravel are mined each year to meet soaring demand from construction and land reclamation – ...

It's a resource used in global construction and mined from rivers and coasts across the world. Now new research has shown sand mining is causing river beds to lower, leading to riverbank instability ...

Sand is the most mined resource worldwide, yet not many are aware of the global environmental crisis stemming from over-extraction. River sand is the main ingredient of concrete — a core resource in ...