Thursday, May 23, 2024

The Atlantic Ocean Current May Be Resilient To Melting Ice Caps

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New research by scientists at the University of Wisconsin–Madison has found that melting ice caps may not end up shutting down ocean currents.

Up to this point, most climate change models predicted that melting ice caps would shut down the Atlantic Ocean current, which takes warm tropical waters north, and brings cold water south.

The scientists are revising their model based on new information and understanding of the relationship between melting polar freshwater and the Atlantic Meridional Overturning Circulation (AMOC).

According to Feng He, an associate scientist at UW–Madison’s Center for Climatic Research:

“We’ve been taught to picture it like a conveyor belt — even in middle school and high school now, it’s taught this way — that shuts down when freshwater comes in from ice melt.”

 However, by modeling the historical warming and cooling of the Earth in the geological past, the scientists were able to show that the current could withstand melting ice caps. He added:

“The important result is that the AMOC appears to be less sensitive to freshwater forcing than has long been thought, according to both the data and model.”

The latest research was a joint project by He and Oregon State University paleoclimatologist Peter Clark and was published in the journal Nature Climate Change.

Sam Helmy
Sam Helmyhttps://www.deeperblue.com
Sam Helmy is a TDI/SDI Instructor Trainer, and PADI Staff and Trimix Instructor. Diving for 28 years, a dive pro for 14, I have traveled extensively chasing my passion for diving. I am passionate about everything diving, with a keen interest in exploration, Sharks and big stuff, Photography and Decompression theory. Diving is definitely the one and only passion that has stayed with me my whole life! Sam is a Staff Writer for DeeperBlue.com

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