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North-central Minnesota lakes are getting murkier faster
Lake water temps are rising fastest in the northern forests, promoting algae blooms. 
February 20, 2021 5:45pm
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Leif Olmanson has spent most of his career tracking Minnesota s lakes from space, poring over decades of satellite images and crunching data on water clarity.
Now the University of Minnesota researcher is puzzling over a new question: What is driving the declining water clarity in Minnesota s northern lakes, some of the jewels of the state?
My big concern is that the areas that are more pristine are where things are changing quickly, Olmanson said. Why would these lakes be changing in northern Minnesota where there s not a lot of land use changes going on? ....

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