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Antarctica’s Secrets: What Ancient Ice Cores Reveal Ice cores—cylindrical samples drilled from deep within Antarctica’s ice sheets—are windows into a world long gone Trapped within them are air bubbles, tiny pockets of ancient atmosphere, carrying whispers of climates that flourished and vanished
When scientists reconstruct ancient climates from ice cores, how do . . . Despite the challenges, ice cores are incredibly rich sources of information about our planet’s past And they’ve proven their reliability, McGee says, as researchers compare them to one another and to other records of Earth’s ancient climates
What do ice cores reveal about the past? - National Snow and Ice Data . . . Combined with other paleoclimate records such as tree rings and fossils, ice cores enable scientists to reconstruct past worlds By preserving evidence of ancient temperatures and greenhouse gases, ice cores show scientists how much our planet has changed
Core questions: An introduction to ice cores - Science@NASA The samples they collect from the ice, called ice cores, hold a record of what our planet was like hundreds of thousands of years ago But where do ice cores come from, and what do they tell us about climate change?
Ancient Antarctic ice cores unlock climate history A shipment of ancient ice has arrived at the British Antarctic Survey in Cambridge, following its extraction from deep under East Antarctica These ice cores are a bit like tree-rings: they contain a snapshot of Earth’s climatic past, documenting the temperatures and amounts of precipitation
Oldest ice cores yet hide climate clues - ScienceDirect Separate teams from Australia, Europe, Japan and the US have all begun drilling ice cores that could hold the answer to this puzzle, while South Korean researchers and a Russian-Chinese team are exploring candidate sites and looking to drill in the coming years