Racing Time On Oceania's Highest Peak

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Indonesia’s Puncak Jaya, earth’s highest island peak and the tallest mountain between the Andes and the Himalayas, holds the last glaciers in the tropical Pacific. Ancient ice from such high, frozen peaks lets scientists examine past climates and understand mechanism of possible future climate changes–but with alpine glaciers melting, retrieving samples is a race against time, as well as against the dangers of extreme altitude. This month, an expedition co-organized by glaciologist Lonnie Thompson of Ohio State University and oceanographer Dwi Susanto of Columbia University’s Lamont-Doherty Earth Observatory scales Puncak Jaya to drill out ice cores that may go back hundreds, or thousands, of years. Follow Susanto’s reports from the field here.
Updated: 51 min 20 sec ago