Antarctica: the extraction site of the longest “climate records” determined
European researchers (of CNR and Enea for Italy) to analyze ice carrots of up to 2,730
meters to reconstruct the global climate of the last 1.5 million years.
In Antarctica, 40 km from Italian and French base Concordia, was determined a drilling site with the aim of extracting ice carrots of up to 2,730 meters, which will serve to reconstruct the global climate of the last 1.5 million years. The result, announced at the general assembly of the European Geosciences Union in Vienna on Tuesday, was obtained thanks to the “Beyond EPICA - Oldest Ice” project financed by the European Union, which involved researchers from 14 institutions and 10 European countries.
Italian participants of the project comprised of a team of experts coordinated by Carlo Barbante from the Ca’ Foscari University of Venice and associated researcher of CNR. The activities are conducted under the National Antarctic Research Programme (Programma Nazionale di Ricerche in Antartide, PNRA), whereby CNR is in charge of planning and scientific coordination and Enea takes care of the logistics side.
The researchers have selected as drilling side one of the coldest and hostile sites on Earth that is “Little Dome C” in the Wilkes Land, at 3,233 meters above sea level. It is a place where precipitations are very limited and the average yearly temperature is -54°C.
“During these hundreds of thousands of years alternate periods have been observed: long glacial periods and short interglacial periods, at intervals of around one hundred thousand years,” explained Barbante in a message.
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10 April 2019 - 16:42 CEST