Monday, 6 July 2015

Climate Change - The decline of Arctic sea ice

The Arctic includes an ocean covered by sea ice.



Arctic sea ice melts in Summer and then refreezes in Winter.

The area of Arctic sea ice is largest in March each year, and at its lowest each September.
It is reducing over time - the graph comes from the US National Snow and Ice Data Center.

ice extent trend graph
The NSIDC also publish this graph.
time series
More graphs and other data are also available from the Arctic Data Archive System, operated by the Japanese Arctic Environmental Observation Center.

Research suggests the remarkable decline of  Arctic sea ice over the last century is far beyond anything seen for a long time. 




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