For The Past 20 Years Antarctica's Deep Ocean Has Been Heating Up, Scientists Reveal
A new study reveals that deep ocean heat has been moving closer to Antarctica over the past 20 years, threatening ice sheet stability and accelerating sea level rise. Researchers used decades of data and machine learning to detect warming trends in the Southern Ocean, confirming the expansion of warm 'circumpolar deep water' toward the continent. The findings highlight the growing impact of climate change on polar regions and the global consequences of disrupted ocean systems. Antarctica's warming waters could destabilize ice shelves that hold back glaciers capable of raising sea levels by up to 58 meters.
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Deep ocean heat is moving closer to Antarctica, a new decades-long study has revealed, providing clear evidence that the Southern Ocean is already experiencing shifts due to climate change. The study, published today in the journal Communications Earth & Environment, warns that the warming threatens the stability of Antarctic ice sheets. Antarctica is one of the fastest warming places on Earth, and as the ocean heats up due to global warming, the rate of ice loss is accelerating, contributing to rising sea levels. In 2022, global average sea level reached a new record high: 4 inches above 1993 levels.
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