A new study shows smoke from fires set by the first inhabitants of Aotearoa from around 1300 left a mark in the ice 6,000 kilometers away, on an island off the Antarctic Peninsula.
Ice cores
Posted inAGU News
Cutting to the Core
In our July issue, Eos looks at the collection, study, and storage of cores—from sediment drilled up from the age of the dinosaurs to tree rings as big as a house.
Posted inFeatures
Cores 3.0: Future-Proofing Earth Sciences’ Historical Records
Core libraries store a treasure trove of data about the planet’s past. What will it take to sustain their future?
Posted inResearch Spotlights
South Pole Ice Core Reveals History of Antarctic Sea Ice
Every summer, most of the sea ice near Antarctica melts away, but its saltiness leaves a permanent record that scientists can trace back for millennia.
Posted inNews
Cold Curriculum for a Hot Topic
Educators at ice core labs teach students hands-on lessons about climate change.
Posted inNews
The Catcher in the Ice
There are three ways to extract gases from an ice core. The cleanest one, sublimation, is getting easier.
Posted inNews
An Ice Core from the Roof of the World
An innovative National Geographic expedition collected the world’s highest ice core from Mount Everest.
Posted inNews
Fragrances in an Ice Core Tell a Story of Human Activity
An ice core from Europe’s highest peak contains scent-imparting molecules whose trends mirror the Soviet Union’s economic ups and downs.
Posted inNews
Antarctic Ice Cores Might Be Older Than Dirt
Using cosmogenic nuclide dating, scientists determined a 10-meter core just below the surface to be over a million years old.
Posted inNews
Antarctic Ice Cores Offer a Whiff of Earth’s Ancient Atmosphere
Bubbles of greenhouse gases trapped in ice shed new light on an important climate transition that occurred about a million years ago.