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March 2019

Scientists discover new hazard to Great Lakes swimmers

The storm on Lake Michigan lasted only 15 minutes, but the conditions it put into motion took seven lives. The incidents came under scrutiny by Wisconsin Sea Grant scientists who study a storm-induced wave called a meteotsunami (a contraction of the term meteorological tsunami, which means a wave caused by weather). Their results were published on Feb. 14 in “Scientific Reports.” They found that the storm formed a moderate-height meteotsunami, which is what went on to cause the unexpected rip currents, a previously undocumented phenomenon.

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Sea Grant Fellow Publishes Research on Impacts of Temperature Change on Global Fisheries

NMFS-Sea Grant Population and Ecosystem Dynamics Fellow Chris Free and colleagues published a study in the March 2019 edition of Science that “used historical ocean temperature and fisheries data to determine how ocean warming affects the amount of fish that can be harvested sustainably from wild-populations.” Free’s dissertation adviser, Olaf Jensen, says that the NMFS-Sea Grant Fellowship was instrumental in allowing Free to pursue this groundbreaking work. “This fellowship gave him the freedom to really devote himself to this research rather than [teaching] or applying for small grants,” said Jensen.

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