As the planet warms, the world’s glaciers are melting faster than snow can replenish the ice. That has implications for sea level rise, ocean currents, and global weather patterns. But collecting data at the edge of a melting glacier can be risky.
Glaciologist Erin Pettit and her colleagues are listening to the sounds melting glaciers make—from the sizzling of trapped air bubbles bursting, to the deep rumbles of underwater calving of icebergs. She joins Host Flora Lichtman to share some glacial sounds, and describe the multi-stage robot tools she uses to monitor melting ice.
Guest: Dr. Erin Pettit is a professor of geophysics and glaciology at Oregon State University.
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