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332 Giant Submarine Canyons Discovered Beneath Antarctica

10/15/2025

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Summary

Story summary

Researchers from the University of Barcelona and University College Cork uncovered more than 332 giant submarine canyons beneath Antarctica.
Some canyons exceed 4,000 meters in depth.
The teams mapped the seabed with a high-resolution map at 500-meter pixel resolution.
The canyons influence global ocean circulation by directing cold water to the deep ocean and warmer water toward the coast, affecting ice shelf stability and sea level rise.

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Story summary

Researchers from the University of Barcelona and University College Cork uncovered more than 332 giant submarine canyons beneath Antarctica.
Some canyons exceed 4,000 meters in depth.
The teams mapped the seabed with a high-resolution map at 500-meter pixel resolution.
The canyons influence global ocean circulation by directing cold water to the deep ocean and warmer water toward the coast, affecting ice shelf stability and sea level rise.