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Cryospheric Sciences
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Diana Francis

Atmospheric Rivers: A blanket for Antarctic winter sea ice

Atmospheric Rivers: A blanket for Antarctic winter sea ice

The mysterious appearance and disappearance of the Weddell Polynya, a giant hole in the sea ice cover, has long puzzled scientists. Recent work reveals that the polynya is initiated and maintained by gigantic and formidable atmospheric currents: atmospheric rivers! Read on to find out more… Each year, approximately 15 million square kilometers of ice forms in the Southern Ocean around Antarctica d ...[Read More]

Image of the Week – Unravelling the mystery of the 2017 Weddell Polynya

Image of the Week – Unravelling the mystery of the 2017 Weddell Polynya

The mysterious appearance and disappearance of the Weddell Polynya, a giant hole in the ice, has long puzzled scientists. Recent work reveals that it is tightly tied to energetic storms. Read on to find out more… The eastern side of the Weddell Sea is a region known for its low concentration of sea ice due to the presence of a seamount, an underwater plateau called the Maud Rise. The seamount infl ...[Read More]