Video Details


Next Airing: Thu, Aug 13th, 2020 at 10:00 AM on UEN-TV
Length: 00:34:05
Usage rights: Expires 6/30/2023

Availability information for this program

The most powerful geologic force on the planet - glaciers. Glaciers can dominate an entire continent ... Can reshape a continent's surface features in the blink of a geologic eye ... All the spectacular mountain peaks that inspire us have been shaped by glaciers. Includes interviews with leading glacial experts from around the country. Chapters: Introduction - Places glaciers among the Earth's geological forces; Glaciers Past and Present - Distribution and makeup of glaciers today and past Ice Ages; Glacier Dynamics - Describes how glaciers grow and shrink; Mountain Glacier Formations - Includes such striking features as cirques and hanging lakes; Continental Glacier Formations - Includes moraines, drumlins and striations; Glaciers and Climate Change - Shows how glaciers are the most important geologic factor in climate change.



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