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Submarine to study fish in Lake Michigan

June 16, 2010 at 09:30 AM

WEST LAFAYETTE, Ind. (AP) — Purdue University scientists are using a robotic submarine to scour Lake Michigan’s waters as part of a climate-change study focusing on fish.

Researchers are using the slender, 3-foot-long submarine to gather biological and environmental data to learn how young fish vital to the lake ecosystem may cope with future climate change.

The battery-powered sub is programmed for specific routes in its data collection duties.

Previous research has suggested that global warming change might alter wind patterns on the Great Lakes. Those winds play a key role in the survival of young fish by moving cold water and nutrients toward shallower waters.

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