Thanks for asking! Typically, cycles of water levels in the #GreatLakes run about 20 years, leading to predictable & safe erosion that helps maintain the dunes. However, in the last 5 years, we’ve seen historic low lake levels & near historic highs. #QuigleyClimateTour
Last summer, this observation deck had 20 feet of sand behind it. Today, it’s on the beach—destroyed thanks to extreme weather & rising water levels. #QuigleyClimateTour @IndianaDunesNPSpic.twitter.com/xhFMHZ6cWm
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