Science, Space and Technology News 2024
Recent research highlights the significant role of the rising earth beneath the Antarctic Ice Sheet in future sea level projections. The study reveals that reducing greenhouse emissions can drastically lessen the impact of sea level rise, while failure to do so could endanger coastal populations worldwide.A new study suggests that the uplifting terrain beneath the Antarctic Ice Sheet could significantly impact sea level rise in the future.
Conversely, if humans are unable to lower carbon emissions in time, ice retreat will outpace uplift, pushing ocean water away from Antarctica and amplifying sea level rise. These events could significantly worsen the most dire models of projected sea level rise along populated coastlines, said Wilson.“Our measurements show that the solid earth that forms the base of the Antarctic ice sheet is changing shape surprisingly quickly,“ said Wilson.
Surprisingly, according to some of the team’s GPS observations processed by researchers at Ohio State, Wilson said, the Antarctic Ice Sheet is currently experiencing a solid earth uplift of about 5 centimeters per year, about 5 times the rate that North America experiences.Another significant aspect of the study is how the changes in Antarctica under different carbon emissions scenarios will impact coastlines around the world.
The study results highlight how complex the relationship between the solid earth and the processes that happen atop it is, as well as the importance of continuing to gather enough data to make prompt and accurate predictions about what the next few centuries of our planet will look like.
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