Michigan's new PFAS testing requirement postponed the dredging of one Lake Michigan harbor and could delay other projects in ...

Colorado Parks and Wildlife says it took advantage of the draining of Highline Lake to do dredging as a maintenance measure ...

To assess habitat conditions, researchers conducted monthly analyses of water and sediment samples. They measured sediment ... fish populations were also monitored using net sampling methods. “We ...

Throughout the mission, the crew of the Margaret Brooke is helping the scientists with logistics, including the deployment of Zodiac boats from which the researchers will take “buckets of sea water” ...

Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the Cowlitz River each year.

VANCOUVER, Wash. – Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the ...

Tropical storms have been steadily increasing in frequency over the past 5,700 years, new evidence from sediment in the Great Blue Hole reveals, with a massive spike in the past two decades.