Scientists have used geological records for the first time to reconstruct the history of the Larsen C Ice Shelf in
Over the past 25 years, severalthe region's ice shelves. Their successiveness along the eastern part of the Antarctic Peninsula is associated with an increase in atmospheric temperature over the past 50 years. Warm ocean currents have also intensified, weakening the region's ice shelves.
In a new study, scientists have found out how the largest remaining ice shelf on the Antarctic Peninsula has remained stable over the past 10,000 years.
In 2011, scientists collected sediment coresfrom under the Larsen S. Ice Shelf. Later, the indicators were combined with data on cores of sediments recovered on the shelf ten years earlier. In turn, this allowed researchers to reconstruct the first detailed history of the ice shelf. The authors of the work came to the conclusion that, despite the moderate retreat and advancement of the ice shelf front, it has been in a stable state over the past 10,000 years.
Larsen Glacier C and Larsen B glacier were more resilientto a warming of the climate in the past than now, and there are two reasons for this, scientists believe. They were much thicker, in addition, heat from the atmosphere and ocean did not penetrate so far to the south of the Earth.
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Kern is a sample of a solid that representsis a cylindrical column selected for the purpose of study. In geology, a core is a rock sample extracted from a well by means of a specially designed for this type of drilling.