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Discovery

Clarity for lake researchers' water quality questions

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Sign on a lake with algae reads for swimmers health please don't feed the ducks

The discovery is the first report of a virus carrying genes for sulfur oxidation.

Credit: Bill Feeny


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Reflection of boat on the water to see transparency in Lake Mendota, Wisconsin.

Scientists measure the water's transparency in Lake Mendota, Wisc.

Credit: Brett Johnson


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Underwater view of a Secchi disk, used to measure water clarity, dropping through the water column.

Underwater view of a Secchi disk, used to measure water clarity, dropping through the water column.

Credit: Adam Hinterthuer


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Image showing people on a boat on a lake

Scientist teaching area residents the best ways to monitor water quality in lakes.

Credit: Adam Hinterthuer


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Children looking at a Secchi disk being lowered into the water to measure transparency

Children learn how to measure water quality with a Secchi disk.

Credit: Grace Hong


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Aerial view showing algae blooms in Wisconsin's Lake Mendota

Algae blooms in Wisconsin's Lake Mendota are being monitored from the air and from the ground.

Credit: UW-Madison Environmental Remote Sensing Center, image processing by Jon Chipman


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