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The movement of these continental glaciers created many now-familiar glacial landforms. As the glaciers were expanded, due to their accumulating weight of snow and ice, they crushed and redistributed surface rocks, creating erosional landforms such as striations , cirques , and hanging valleys .
Glacial striations are usually multiple, straight, and parallel, representing the movement of the glacier using rock fragments and sand grains, embedded in the base of the glacier, as cutting tools. Large amounts of coarse gravel and boulders carried along underneath the glacier provide the abrasive power to cut trough-like glacial grooves .
Velocity map of Antarctica. Ice streams can be seen with increasing speeds (blue-yellow-white) flowing toward the coast. [1] Radarsat image of ice streams flowing into the Filchner-Ronne Ice Shelf. An ice stream is a region of fast-moving ice within an ice sheet. It is a type of glacier, a body of ice that moves under its own weight. [2]
Camas Creek Cutoff Road at the entrance To Glacier National Park. The Camas Creek Cutoff Road (also known as Camas Road) is an 11.7 mile long road located in Glacier National Park. The road connects the Going-To-The-Sun Road to the east with the North Fork Road to the west. The road is not highly trafficked and does not access many major park ...
Basal sliding is the act of a glacier sliding over the bed due to meltwater under the ice acting as a lubricant.This movement very much depends on the temperature of the area, the slope of the glacier, the bed roughness, the amount of meltwater from the glacier, and the glacier's size.
Glacier morphology, or the form a glacier takes, is influenced by temperature, precipitation, topography, and other factors. [1] The goal of glacial morphology is to ...
May 30—Glacier National Park road crews clear snow along the Going-to-the-Sun Road at Logan Pass on Thursday, May 30. Glacier National Park road crews clear snow along Going-to-the-Sun Road near ...
Going-to-the-Sun Road is a scenic mountain road in the Rocky Mountains of the western United States, in Glacier National Park in Montana.The Sun Road, as it is sometimes abbreviated in National Park Service documents, is the only road that traverses the park, crossing the Continental Divide through Logan Pass at an elevation of 6,646 feet (2,026 m), which is the highest point on the road. [3]