Hunt begins for ancient Antarctic ice-and clues to Earth's response to rising temperatures
La chasse aux anciennes glaces de l'Antarctique et aux indices sur la réaction de la Terre à la hausse des températures commence
Voosen, Paul
Année de publication
2021
<br>In East Antarctica, ice has piled up, year after year, to more than 3 kilometers thick. It preserves many secrets: meteorites from outer space, dust from ancient volcanic eruptions, and mysterious subglacial lakes. But the most prized scientific treasures from this realm are the tiniest: trapped air bubbles that record shifts in Earth's climate. By drilling deep cores from the ice, scientists have read this record as far back as 800,000 years.<br></p>
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