US EditionAntarctic Iceberg Calving Unveils Thriving Hidden Ecosystem
- A giant iceberg about 19 miles long broke away from the George VI Ice Shelf on January 13, exposing a previously hidden ecosystem in Antarctica, according to co-chief scientist Sasha Montelli.
- Researchers aboard the Schmidt Ocean Institute's vessel Falkor discovered thriving marine life such as ice fish and giant sea spiders under the newly uncovered ocean, says Patricia Esquete.
- The expedition may identify dozens of new species from the deep-sea exploration, providing insights into how climate change impacts Antarctic ecosystems, according to Esquete.
- The expedition observed that the ice front had retreated by about 25 miles over the past 50 years, contributing to global sea level rise, according to co-chief scientist Sasha Montelli.
122 Articles
122 Articles
New Ecosystem Discovered After City-Sized Chunk of Antarctica Broke Off
Back in January, a gigantic iceberg roughly the size of Chicago broke off from an Antarctic glacier along the George VI ice shelf. It revealed a thriving ecosystem that had been hidden away for centuries. An international team of researchers swarmed the site. Well, they didn’t swarm the site as much as their remotely operated vehicles did. Using these ROVs, the scientists discovered a treasure trove of life forms—anemones, hydroids, corals, and …
Giant iceberg meltwater increases upper-ocean stratification and vertical mixing
Ice-sheet mass loss is one of the clearest manifestations of climate change, with Antarctica discharging mass into the ocean via melting or through calving. The latter produces icebergs that can modify ocean water properties, often at great distances from source. This affects upper-ocean physics and primary productivity, with implications for atmospheric carbon drawdown. A detailed understanding of iceberg modification of ocean waters has hither…
An iceberg the size of the city of Chicago broke loose in Antarctica, leading to new discoveries on the seabed.
In pictures: Every week a remarkable image of a scientific event. This week: an unexpected discovery on the seabed. The sponge that researchers…
Antarctica on Thin Ice: Satellite Data Reveals 2025’s Stunning Sea Ice Collapse
Antarctica’s summer sea ice has dropped to one of its lowest extents ever recorded, shrinking to levels 30% below the historical average. Scientists are unsure whether this marks a new long-term trend or a temporary fluctuation. Using satellite data that spans nearly five decades, researchers are tracking dramatic global losses in sea ice, including in [...]
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