These diagrams show both past and predicted changes in Arctic sea ice. Researchers track both sea ice extent, the area of the Arctic Ocean covered by at least 15% sea ice, and sea ice thickness.
Since the 1979, researchers have had access to satellite records of sea ice extent, and in 2010 satellite records of sea ice thickness commenced.
Part of:AXA Ocean Education
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Geography | Ages 11-14
The Frozen Oceans Geography resources are designed to take 11-14 year-olds on a journey to the Arctic following the expedition team of the Catlin Arctic Survey.
Science | Ages 11-14
The Frozen Oceans Science resources introduce working scientifically concepts and skills to 11-14-year-olds through enquiry-based lessons which replicate work done by field scientists in the Arctic.
Geography | Ages 14-16
This Frozen Oceans education resource includes two data case studies that introduce students to ocean acidification and sea ice thickness. The core of each case study are data sets from real expeditions.
Science | Ages 14-16
This Frozen Oceans unit outlines the research carried out by the Catlin Arctic Surveys and can be used in teaching the carbon cycle, ocean acidification and its impact on the Arctic ecosystem.