Scientists have fanned out across the Great Lakes' frozen surfaces to learn what happens underwater during winter
Bridget Wheelock, wetland ecology lab manager in Central Michigan University's biology department, holds a chunk of ice she extracted while conducting a field study on the frozen surface of Lake Huron's Saginaw Bay on Tuesday, Feb. 22, 2022 in Standish, Mich. STANDISH, Mich. — — Bridget Wheelock knelt onto the frozen surface of Lake Huron's Saginaw Bay, reached a gloved hand into the frigid water below and pulled out a large chunk of ice.
They were members of more than a dozen crews from U.S. and Canadian universities and government agencies who ventured onto the frozen Great Lakes to gather samples and data. Lake scientists long have considered winter a season when aquatic activity slows. Most do their field studies at other times of year.
“You can't take half the puzzle and figure out what it looks like. You have to put the whole thing together.” For the recent excursion onto the icy bay, Wheelock and Sand affixed cleats to their boots and lugged a sled and wheeled cart loaded with tools and supplies. Temperatures hovered around freezing but a driving wind and slushy rain made it seem much colder.
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