Austin Carter, a PhD student, along with a group of scientists with the Center for Old Ice Exploration (COLDEX), sent a camera down a hole 300-feet deep in Antarctica in search of Earth’s oldest ice. The goal of this mission is to better understand the evolution and future of Earth’s climate, such as how sensitive ice sheets are to higher levels of greenhouse gases.
What kind of information can be gathered from this ice? Well, vital information about the Earth’s climate, including how much carbon dioxide (CO2) was present in the air, can be gauged by studying the air bubbles trapped in this glacial ice. So far, we have an idea of what the climate and CO2 were like approximately 800,000 years using an ice core drilled in East Antarctica two decades ago.
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We’re looking for that perfect location where you’re going to have a full sequence of ice that’s on the order of two miles thick. The goal is to extend the ice core record of climate change back as far as we can. It would even be remarkably important if we could push it back to three or four million years or even older,” said Peter Neff, Glaciologist.
