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Search resuls for: "Martin Siegert"


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Sea ice levels in Antarctica are at an all-time low, the National Snow and Ice Data Center reports. Levels of sea ice in the region have reached record minimums this year, like in 2017 and 2022. Sea ice, the water that freezes on the surface of the sea in the Arctic and Antarctic hemispheres, has been decreasing in both regions. In Antarctica, sea ice levels reached record lows at least twice in 2023 after record minimums were detected in 2017 and 2022. Chart showing the levels of sea ice in Antarctica.
Persons: we've, Walter Meier, Martin Siegert, Ed Doddridge, Ariaan Purich, Australia's Organizations: Data, BBC, Service, Data Center, University of Exeter, Antarctic, Southern Ocean Coalition, NASA, Australia's ABC Locations: Antarctica
Penguins are seen on an iceberg as scientists investigate the impact of climate change on Antarctica's penguin colonies, on the northern side of the Antarctic peninsula, Antarctica January 15, 2022. There's no quick fix to replacing this ice," said Caroline Holmes, polar climate scientist at British Antarctic Survey and one of the study's co-authors. The precise impact of climate change on Antarctica and the surrounding ocean has been uncertain and scientists have struggled to measure how much global warming is affecting the thickness of Antarctic ice. "Antarctica is fragile as an environment, but extreme events test that fragility," he said. "What we're deeply concerned about is the increase in intensity and frequency of extreme events and the cascading influences that they have in other areas."
Persons: Natalie Thomas, Caroline Holmes, Tim Naish, " Naish, Martin Siegert, Siegert, David Stanway, Edmund Klamann Organizations: Penguins, REUTERS, Environmental, Antarctic Survey, Antarctic Research, Australia's Victoria University of Wellington, Global, University of Exeter, Thomson Locations: Antarctica, SINGAPORE, New Zealand, Australia
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