Joshua Roering, University of Oregon (IMAGE)

University of Oregon

Joshua Roering, University of Oregon

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Joshua Roering, a geologist at the University of Oregon, directed a National Science Foundation-funded study that suggests much of North America's non-glaciated landscape was much colder than long thought and experienced erosion from frost-cracking at a rate some 2.5 times that seen today.

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Photo by Charlie Litchfield

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