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Researchers To Start New Lake Superior Study

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May 30, 2009 2:41 pm US/Central

Researchers To Start New Lake Superior Study

DULUTH, Minn. (AP) ― A group of researchers will embark on a voyage next week to drop off measurement equipment in Lake Superior.

Professor Jay Austin and other researchers at the University of Minnesota in Duluth plan to collect data on temperature and circulation to determine whether the lake is changing.

A similar study in 2007 showed that Lake Superior's summer surface temperatures had increased more than 4 degrees since 1979. That's compared to a 2.7-degree increase in the region's average summer air temperature.

The research team embarks Tuesday on what will be a seven-day trip to set up eight moorings in Lake Superior.

A $1 million grant from the National Science Foundation is paying for the study.

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According to the Great Lakes Information Network, Lake Superior has the largest surface area of any freshwater lake in the world.

(© 2009 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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