Mapping the Hidden Worlds Beneath Greenland’s Ice

Mapping the Hidden Worlds Beneath Greenland’s Ice

By
Betsy Mason, National Geographic

The massive chunk of ice covering Greenland accounts for around 10 percent of the frozen freshwater on Earth. If all that were to melt, it could raise the global sea level more than 20 feet (6 meters). To understand the future of all that ice, scientists are peering into its past. Using the latest technology to map what’s hidden beneath—and within—Greenland’s ice, researchers have found huge ancient river systems, unexpected ice flow, and troubling melting patterns.

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Mapping the Hidden Worlds Beneath Greenland’s Ice

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