Greg Fuhrmann, an Iowa Department of Natural Resources geologist, uses a soil augur Thursday to take sediment samples from the bottom of Cedar Lake as Daniel Cook, a DNR physicist, watches.

Large surface waves produced by powerboats are a mainstay for recreational watersports. A new study from the University of ...

When an earthquake causes a landslide, debris flow, or erosion, it can change the makeup of nearby lakes by introducing ...

Floating about 500 feet offshore of Illinois Beach State Park, Hillary Glandon tightened her scuba goggles, grabbed a small ...

The research team recovered lake-bed sediment samples, buried under a 15-meter-deep lake located under 3,500 feet of Antarctica ice. The layered samples are the first of their kind collected on ...

Large surface waves produced by powerboats are a mainstay for recreational watersports. A new study from the University of ...

Invasive zebra mussels have been confirmed in DeMontroville and Olson Lakes in Lake Elmo and in Long Lake in Pine Springs, ...

We are determinedly walking to the middle of the bay to collect a sediment core from its bottom. Mud – or sediments, as geologists call them – are deposited slowly at the bottom of lakes.

The mandibles found in lake-bottom sediments are species-specific and show which other Chaoborus midge species were present in the lake in different periods of time. view more Credit: Fredrik Palm ...

The panel argued the start of the epoch is evident in the sediment of Crawford Lake, which at nearly 80 feet deep is deep enough that its bottom layer of water doesn’t mix with upper layers ...