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Questions for Discussion: Arctic Sea Ice Satellite Observations

Has the maximum extent of sea ice in the Arctic changed over the 1982–2007 time period? If so, how would you describe the changes?
Have there been any changes in when Arctic sea ice breaks up each spring over the same period? If so, where are they most evident?
In what ways might Native peoples be affected by an earlier spring breakup of Arctic sea ice?
Why is it important to monitor changes in ice concentration?
Based on the satellite data presented, can you make any claims about climate change in the Arctic? Why or why not?