Scientists have looked back in time to reconstruct the past life of Antarctica ’s “ Doomsday Glacier ” — nicknamed because its collapse could cause catastrophic sea level rise . They have discovered it started retreating rapidly in the 1940s, according to a new study that provides an alarming insight into future melting. The Thwaites Glacier in West Antarctica is the world’s widest and roughly the size of Florida.
Scientists knew it had been losing ice at an accelerating rate since the 1970s, but because satellite data only goes back a few decades, they didn’t know exactly when significant melting began. Now there is an answer to this question, according to a study published Monday in the journal Proceedings of the National Academy of Sciences. By analyzing marine sediment cores extracted from beneath the ocean floor, researchers found the glacier began to significantly retreat in the 1940s, likely kicked off by a very strong El Niño event — a natural climate fluctuation which tends to have a warming impac
Antarctica Doomsday Glacier Sea Level Rise Thwaites Glacier Melting El Niño
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