Maps, Graphs, and Data

Video: Annual Arctic sea ice minimum 1979-2018 with area graph

Annual Arctic Sea Ice Minimum

Arctic sea ice is the cap of frozen seawater blanketing most of the Arctic Ocean and neighboring seas in wintertime. It follows seasonal patterns of thickening and melting. See how the pattern has changed from 1979 through 2018. 

Mini Lesson

Watch the video and answer the questions.


  1. What is ICE-SAT2 measure? 
  2. Why is this measurement important?
  3. How does this relate to the annual Arctic sea ice minimum?