Big waves are part of the fun of summer, but they can also stir up big debates.  

Wake boats are designed to create large waves for surfers to ride. But those waves don’t just disappear. A new University of Minnesota study shows they can stir up sediment, muddy the water and release phosphorus, which causes algae blooms.

MPR News guest host Kirsti Marohn dives into the science and what it means for lake lovers.

Guests:

• Jeff Forester is the executive director of Minnesota Lakes and Rivers Advocates, a nonprofit that represents lake associations and property owners. 
• Jeff Marr is the associate director of engineering and facilities at the University of Minnesota’s St. Anthony Falls Laboratory. He was a lead researcher on a recent study that looked at what happens under the lake surface when different types of recreational boats travel at different speeds.

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