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This investigation will help you to:
- "What is Permafrost?" - Geological Survey of Canada
Site defines permafrost and uses data from real sites to explain what controls the distribution of permafrost. - "Permafrost: Insights from a new Northern Hemisphere map" - National Snow and Ice Data Center
Defines permafrost, reviews its distribution today, and explains how and why scientists are studying permafrost distribution and what they are learning. - "Permafrost" - Alyeska Pipeline
Site defines each type of permafrost and looks at the effects of permafrost on the Alaskan pipeline.
- "NCEP MMAB Sea Ice Home Page" - NOAA
This page includes links to images that show current and past sea ice distribution around the world. Also includes links for help in interpreting the images. - "Global Sea Ice Extent and Concentration: What sensors on satellites are telling us about sea ice" - National Snow and Ice Data Center
Article reviews how scientists monitor global sea ice and what they are learning from their results.
- "Antarctic Ice Shelves and Icebergs" - National Snow and Ice Data Center
Click on links to read about icebergs in the news and view images of ice shelf evolution. - "Icebergs" - National Ice Center
Click on the "Iceburg Pages" link to find additional information and images of icebergs in the Northern and Southern hemispheres.
- "Permafrost" - Alyeska Pipeline
Site defines each type of permafrost and looks at the effects of permafrost on the Alaskan pipeline.
- "NCEP MMAB Sea Ice Home Page" - NOAA
This page includes links to images that show current and past sea ice distribution around the world. Also includes links for help in interpreting the images. - "Global Sea Ice Extent and Concentration: What sensors on satellites are telling us about sea ice" - National Snow and Ice Data Center
Article reviews how scientists monitor global sea ice and what they are learning from their results.