Surfing Tags / Dams

4 Hidden Causes of Dam Failures

Erosion, Inform
Oct
9

South Carolina is the latest place to suffer from a wave of dam catastrophes.

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Western Sydney Residents Warned to Prepare for Minor Flooding

News
Aug
27

Western Sydney residents have been warned to prepare for minor flooding after heavy rain as the Warragamba dam spills over. Avon dam, Nepean dam and Tallowa dam are also spilling.

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Undamming Rivers: A Chance For New Clean Energy Source

Hydroelectric power is often touted as clean energy, but this claim is true only in the narrow sense of not causing air pollution. In many places, such as the U.S. East Coast, hydroelectric dams have damaged the ecological integrity of nearly every major river…

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Predicting the Shape of River Deltas

Erosion, News
Jul
23

New method may help engineers determine coastal impact of dams and levees.

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Vietnam UNESCO Heritage Threatened by Erosion as Dams Stop Sedimentation

Erosion, News
Jun
12

There has been a surge in dam building in the past three years, leading to a significant reduction in sediments being washed down to the estuary in the beach town of Hoi An,

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Peru Planning to Dam Amazon’s Main Source and Displace 1000s

Peru is proposing to build more than 20 dams on the main trunk of the currently free-flowing River Maranon, which births in the Andes and is the River Amazon’s main source.

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1000 Dams Down and Counting: Dam Removal Study Reveals River Resiliency

elwha-dam
Erosion, Inform
May
2

More than 1,000 dams have been removed across the United States because of safety concerns, sediment buildup, inefficiency or having otherwise outlived usefulness. A paper published in Science Magazine finds that rivers are resilient and respond relatively quickly after a dam is removed.

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Ethiopian Dam Deal Ignores Science, Warn Experts

Erosion, News
Apr
18

Although the Grand Ethiopian Renaissance Dam (GERD) is Africa’s biggest dam project foreseen to have lasting impacts on its longest river, the River Nile , the GERD has been developed under a veil of secrecy. The dam will impact Ethiopians and downstream neighbors. Water scientists from Egypt — the last country to benefit from the Nile before it flows into the Mediterranean Sea —fear for the security of freshwater supply.

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Natural Filters: Mussels Deployed To Clean Up Polluted Waterways

A stream with a healthy population of mussels indicates a pretty pristine habitat and good water quality. Everywhere, however, numbers of mussels are in peril. Everywhere the causes of decline are the same: alteration and damming of streams and rivers, and human-induced runoff of silt and nutrients.

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