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Antarctica

Antarctica

Periodic volcanism triggered multiple Jurassic extinctions

A group of Finnish, Swedish, and Norwegian geologists provide critical new evidence for the timing of volcanic activity in the Karoo province, the largest of the Jurassic magma systems. The remnants of the province are widespread in southern Africa and Antarctica. Severe environmental crises led to a series of large-scale…
bubmag
April 1, 2022
Antarctica

Antarctica heat wave brings enormous temperature jump

This undated photo provided by the National Oceanic and Atmospheric Administration (NOAA) in May 2018 shows aurora australis near the South Pole Atmospheric Research Observatory in Antarctica. (Photo: NOAA) A heat wave in Antarctica earlier this month was so extreme that it may be the largest temperature increase above normal…
bubmag
March 30, 2022
Antarctica

East Antarctica’s Conger Ice Shelf Completely Collapses

Satellite data has confirmed that an ice shelf about the size of Manhattan in New York City has completely collapsed in East Antarctica following days of record-high temperatures. The Conger Ice Shelf, which had an approximate surface area of 1,200 square km (463 square miles), collapsed around March 15th, scientists…
bubmag
March 29, 2022
Antarctica

Antarctic Sea Ice Sinks to Record Low

February 25, 2022 The long-term trend for sea ice in the south is flat, while the global trend points downward. In February 2022, sea ice around Antarctica reached the lowest extent ever observed since the start of the satellite record in 1979. It marks the first time that the ice…
bubmag
March 29, 2022