Are we missing a crucial component of sea-levelrise? NatureComms
The new study identifies areas that are not currently losing large amounts of mass but could be poised to match some of the largest contributors to sea-level rise—such as Thwaites Glacier—if they thawed. Antarctica is roughly the size of the United States, and the susceptible regions comprise an area greater than California. The research was published Sept.
The researchers modeled temperature changes at Antarctica's base according to shifts in friction caused by the ice sheet sliding over the land beneath it. The simulations revealed that in East Antarctica, which is currently considered a relatively stable region compared to West Antarctica, the Enderby-Kemp and George V Land areas would be most sensitive to thawing at their beds.
"Measuring the bed is a massive effort in these remote places—we have the technology to do it, but you really need to pick the spot, and sometimes it takes years, and field camps, and special equipment to go do that," Schroeder said."It's difficult and expensive." "You need to know the regions where it matters, and that's the transformative contribution of Eliza's paper," Schroeder said."It asks these broad questions: Does this matter? And if it matters, where? We hope this approach gives the community some priorities into where to look and why, and to avoid going down blind alleys.
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