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Polar caps
The Earth's polar ice caps have changed dramatically over the last 12,000 years. Seasonal variations of the ice caps takes place due to varied solar energy absorption as the planet or moon revolves around the sun. Additionally, in geologic time scales, the ice caps may grow or shrink due to climate variation. Ice caps are generally in the negative in temperature. Wikipedia
Minimum extent of the Arctic sea ice in 2007.
NASA/Goddard Space Flight Center
Teaching materials on polar caps
FEATURE RESOURCES >>
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Featured Resource
Video: AAAS Global Climate Change - CLEAN
SUMMARY Length 10 minutes. This resource was selected for the CLEAN Collection. This video features residents of Shishmaref, Alaska, plus environmental journalist... More »
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Featured Article
Rapid Changes in Glaciers and Ice Sheets and...
This article is drawn from Abrupt Climate Change A report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, U.S. Geological... More »
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Featured Resource
Game: SMARTIC Arctic Case Study
SUMMARY Students will build off of an introductory lecture on climate change in the Arctic to devise a strategy to manage climate change impacts on the global scale (the... More »
Video: Melting Ice Rising Seas - CLEAN
Last Updated on 2013-04-03 at 20:56
SUMMARY
Video length: 4.5 min
Selected for the CLEAN Collection. The activity description was developed by CLEAN reviewers.
This NASA video presents animations,... More »
Sea Level Rise Contributors
Last Updated on 2013-03-14 at 16:37
SUMMARY
This activity has been selected for inclusion in the CLEAN collection.
This web page from the National Snow and Ice Data Center contains two related... More »
Game: SMARTIC Arctic Case Study
Last Updated on 2013-02-28 at 20:15
SUMMARY
Students will build off of an introductory lecture on climate change in the Arctic to devise a strategy to manage climate change impacts on the global scale (the... More »
Glaciers and ice sheets in the Arctic
Last Updated on 2013-01-27 at 19:14
This is Section 6.5 of the Arctic Climate Impact Assessment.
Lead Author: John E.Walsh; Contributing Authors: Oleg Anisimov, Jon Ove M. Hagen,Thor Jakobsson, Johannes... More »
Rapid Changes in Glaciers and Ice Sheets and Their...
Last Updated on 2012-11-15 at 11:49
This article is drawn from Abrupt Climate Change A report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, U.S. Geological... More »
Polar bear
Last Updated on 2012-08-21 at 23:08
The Polar bear (Ursus maritimus) spends so much of its annual time at sea that the species is classified as a marine mammal; however, it is also commonly... More »
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