“Zombie” ice from the massive Greenland ice sheet will eventually raise global sea levels by at least 10 inches on its own, more than double previous predictions, according to a study released Monday.
A boater navigates at night next to large icebergs in eastern Greenland. Zombie ice from the massive Greenland ice sheet will eventually raise global sea level by at least 10 inches on its own, according to a study released Monday, Aug. 29, 2022.
Study lead author Jason Box, a glaciologist at the Greenland survey, said it is “more like one foot in the grave.” This is the first time scientists calculated a minimum ice loss -- and accompanying sea level rise -- for Greenland, one of Earth’s two massive ice sheets that are slowly shrinking because of climate change from burning coal, oil and natural gas. Scientists used an accepted technique for calculating minimum committed ice loss, the one used on mountain glaciers for the entire giant frozen island.
Although 10 inches doesn’t sound like much, that’s a global average. Some coastal areas will be hit with more, and high tides and storms on top of that could be even worse, so this much sea level rise “will have huge societal, economic and environmental impacts,” said Ellyn Enderlin, a geosciences professor at Boise State University.
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