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Lake Huron sinkhole surprise: The rise of oxygen on early Earth linked to changing planetary rotation rate

Lake Huron sinkhole surprise: The rise of oxygen on early Earth linked to changing planetary rotation rate
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Scientists Hope Atmospheric Modeling Can Predict Meteotsunamis

Scientists Hope Atmospheric Modeling Can Predict Meteotsunamis The first extensively documented air pressure–driven meteotsunami on one of the Great Lakes presents an opportunity to use existing weather models to predict when these potentially deadly waves will strike. A meteotsunami sends water cascading over a breakwater off Ludington, Mich., on 13 April 2018. Credit: Debbie Maglothin 3 hours ago These waves were “by far the most dramatic in terms of the amount of rise and fall of the water level within just a few minutes.”On 13 April 2018, large waves up to 2 meters high (more than 6.5 feet) traveled across Lake Michigan and hit Ludington, a city of some 8,100 people in Michigan, damaging homes and docks. For local photographer Todd Reed, who frequently photographs storms along the Lake Michigan shoreline, this event was especially memorable. “I have experienced several storm surges over the past several decades,” Reed said. These waves were “by far th

The creature that took control of the Great Lakes

Published March 22, 2021 at 1:11 PM EDT Listen • 5:02 / John Janssen remembers the moment he realized Lake Michigan was about to change. It was a September day in 1990 and he was diving looking for sculpin an ugly fish with big lips that likes to hide under rocks.   “I wasn’t paying much attention to anything else it was my dive partner who suddenly grabbed me and pointed out that first zebra mussel,” he says.    “I just lay on the bottom for like five minutes, trying to imagine what the lake was going to look like in a year.”   Janssen is a fisheries biologist at the University of Wisconsin, Milwaukee, and he knew what was coming. Zebra mussels had already invaded Lake Erie. 

Farming algae could surprisingly help stave off deadly algae blooms

Farming algae could surprisingly help stave off deadly algae blooms If you can t beat them. sow them? In water? Could work. A A Reset One possible solution to nutrient pollution and dangerous algal blooms could be seaweed farms, a new paper reports. Image credits NOAA Great Lakes Environmental Research Laboratory / Flickr. We don’t tend to think of “too much food” as a real problem, but for ecosystems around the world, it very much can be. Marine ecosystems especially suffer from nutrient pollution, as most of our waste tends to get dumped in the sea. This kind of pollution can become very deadly, as high levels of nutrients foster algal blooms which destroy water quality and deplete its oxygen in short, they kill everything else around them.

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