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Look, it's melting...

Notes tagged with "Sea Ice"

Q&A with Peter Wadhams

Peter Wadhams, Professor of Ocean Physics and Head of the Polar Ocean Physics Group in the Department of Applied Mathematics and Theoretical Physic at the University of Cambridge, looks at sea ice models, how to improve them, and how to improve the quality of the IPCC’s assessment reports.

Sea Ice Melting Season started late, but not slow

It looks like someone pulled the trigger. While extent and area are still hundreds of thousands square kilometers behind 2012, Siberia and Alaska enjoy already sunny temperatures above 30°C. Also sea ice concentration on the Asian side is significantly lower from pole to coast than along the western part of the Arctic Basin.

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Brinicles and the Origin of Life

Brinicles are the most bizarre phenomena below sea ice. They grow like stalactites, but much faster and in absent of other forces eventually touch the sea floor freezing all creatures to death in their path. In 2011 the BBC team filming for 'Frozen Planet' captured these 'icy fingers of death' for the first time.

In a recent paper Julyan Cartwright at the University of Granada in Spain and colleagues describe in detail the chemistry of brinicles, and their most interesting observation is that brinicles also create chemical gradients, electric potentials and membranes - all the conditions necessary for the formation of life.

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