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Section 8
Glaciers and the Landscape

In this section you will find materials that support the implementation of EarthComm, Section 8: Glaciers and the Landscape.

Inquiring Further

  1. To learn more about J. Harlan Bretz's theory and the evidence behind it, visit the following web sites:

    Glacial Lake Missoula and the Missoula Floods, USGS
    Reviews the formation of Glacial Lake Missoula and the catastrophic floods that formed the Channeled Scablands.

    Glacial Lake Missoula and the Ice Age Floods, Montana Natural History Center
    Examines the formation of Glacial Lake Missoula and the Missoula floods, including the evidence that demonstrates the occurrence of this geologic event.

  2. To learn more about glacial landforms, visit the following web sites:

    Glacial Landforms, NASA
    Describes the ice-generated features that are associated with glaciers. 

    Glossary of Glacier Terminology, USGS
    Defines various glacial landforms and provides examples of each.

    Geomorphology from Space – Chapter 9 Glacial Landforms, NASA
    Provides images of glaciers and the landscape features that they form. Click on links to different plates to view satellite images and information about glaciers and glacial landforms around the world.

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To learn more about this topic, visit the following web sites:

How Glaciers Form and Move

Ice Sheets and Glaciers, NASA
Introduces ice sheet and glacier formation, how they influence and help to monitor global climate, their influence on atmospheric and oceanic circulation, how glaciers move, and more. Also looks at the technology that scientists use to study glaciers.

Glacier Hazards From Space, PBS
Examines the hazards of glaciers to humans, including ice break-offs, avalanches, and melting ice due to global warming.  Uses satellite imagery to help understand concepts.

Bering Glacier – Alaska, NASA
Satellite images of the Bering Glacier in Southern Alaska, the largest glacier in North America.  Images show how the glacier has been retreating.

How Glaciers Erode Bedrock and Move Sediment

The Geology of Mount Desert Island, Maine Geological Survey
Overview of glacial erosion, transportation, and deposition processes.

Glacier Meltwater and Its Deposits

Glacial Features, The Crevasse Zone
Provides a series of images that demonstrate the effects and features of glaciers as seen on the Juneau Ice field in Alaska.

How Glaciers Alter River Systems

Pleistocene Glaciers and Geography, University of Wisconsin Green Bay
Shows the locations of glaciers in the United States during the last ice age. Explains the impact glaciers had on the development of the Missouri, Ohio, and Hudson river systems. Includes a link to a series of 24 maps that illustrate the development of the Great Lakes.

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