Greenland has a delayed response to changes in the Earth’s climate, and even if the planet stopped warming tomorrow, Greenland may continue losing ice for hundreds or even thousands of years.
The warming that humans cause today may have ripple effects far into the future, scientists warned in a study yesterday that finds the vast Greenland ice sheet could continue melting for centuries after greenhouse gases are stabilized.
Using this information, the scientists used a climate model to simulate thousands of years of natural climate change. They also used an ice sheet model to evaluate the Greenland ice sheet’s response to the rise and fall of Earth’s temperatures. Even if ice begins to melt as the climate warms, it doesn’t always happen fast enough to immediately outweigh the amount of mass the ice sheet is gaining back. It can take time.
Since then, it’s been losing ice at faster and faster speeds. Recent research has found that the Greenland ice sheet is currently losing about seven times more ice than it was in the 1990s.On the contrary, studies suggest that the speed at which Greenland melts in the future depends heavily on how quickly humans manage to curb global warming. Even if some melting is locked in for the future, the losses would be far faster under more severe warming scenarios.
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