While the Arctic sea ice continues to decline, a glance at the Southern Ocean reveals a different picture: in recent years and decades, the sea-ice extent has increased slightly – albeit with clearly
According to the Copernicus Climate Change Service (climate change service of the European Commission and European Space Agency), in Europe the summer months June to August were the hottest since the
In recent days, the development of the ice cover north of Greenland has attracted considerable attention: within a few weeks, an ice-free strip up to 100 km wide has formed along the coast (Fig.1). Th
The thickness of sea ice determines the heat exchange between the ocean and the atmosphere as well as the resistance against the deforming forces of wind and ocean currents. Already a thin layer of se
CryoSat-2, a radar altimeter satellite of the European Space Agency (ESA), had its eighth birthday on April 8, 2018. Observations from CryoSat-2 add vital information on sea ice thickness to other sat
The standard unit used for the sea-ice volume is thousands of cubic kilometres, and offers a better measure of the state of Arctic sea ice than the extent, since the volume includes the thickness of t
The European radar satellite CryoSat-2 has resumed its sea ice observations with the start of the Arctic winter season in October. Scientists of the Alfred Wegener Institute use CryoSat-2 data to calc
4342 Focus iceDriftStories 01 DriftStory 04
DriftStory 04
Glittering clouds
below the ice
Generally speaking, it’s very easy to explain how Arctic sea ice becomes thicker. You
take an ocean, a
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