The ice sheets of Antarctica hold clues to Earth's past from "summary" of Antarctica by Tony Soper
The vast ice sheets of Antarctica are not just frozen landscapes; they are also libraries of Earth's history. Layers of ice that have accumulated over thousands of years contain valuable information about the planet's past. Scientists can extract this information by drilling deep into the ice, retrieving cores that serve as time capsules of environmental conditions. Each layer of ice represents a different era in Earth's history, preserving atmospheric gases, dust particles, and even microorganisms. By studying these elements, researchers can reconstruct past climates and understand how they have changed over time. For example, the concentration of greenhouse gases trapped in the ice can provide insights into ancient atmospheric conditions and help predict future climate trends....
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