This collection of comparative glacier images adapted from the National Snow and Ice Data Center shows substantial changes in five Alaskan glacier positions over periods of 60 to 100 years.

Additional Tags

glacial movement, glacial change, pbs learningmedia: documenting glacial change, glacial ice

Show More Show Less

Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)