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Yes, glaciers are considered an internal force in geological processes. They shape the Earth's surface through erosion and deposition as they move and melt, carving out valleys and transporting sediments. This process is part of the larger system of internal forces, such as tectonic activity and volcanic activity, that shape the planet's landscape over time.
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What part of glacier moves fastest when the glacier moves by internal plastic flow?
The central part of the glacier moves fastest than its edges as it is thickest from the center.
What part of a glacier moves fastest when glacier moves by internal plastic flow?
The center or axis of a glacier generally moves the fastest when the glacier is moving by internal plastic flow. This is due to the greater pressure and thickness of ice at the center, causing it to flow more readily than the slower moving edges and margins of the glacier.
What part of glacier most faster when the glacier moves by internal plastic flow?
When a glacier moves by internal plastic flow, the basal layers, particularly those close to the glacier bed, tend to move faster than the upper layers. This is due to the increased pressure and heat at the base, which causes the ice to deform more readily. Additionally, the flow is often faster in the center of the glacier compared to the edges, as friction with the valley walls slows down the flow.
Is the downward cutting force of ice in a glacier a function of volume?
Yes, the downward cutting force of ice in a glacier is influenced by factors such as volume, thickness, and velocity of the ice flow. A larger volume of ice can exert more pressure and cutting force on the underlying rock, aiding in the glacial erosion process.
What is crevasse slip?
A crevasse slip is a type of glacier movement where the upper portion of the glacier slides down relative to the lower portion, causing the opening of crevasses or cracks on the surface. This movement can be triggered by internal glacier stress, changes in temperature, or the presence of water at the base of the glacier. Crevasse slips can pose risks to glacier travelers and mountaineers.
What is glacier drift?
Glacier drift refers to the movement of a glacier across the landscape. This movement is caused by the force of gravity pulling the glacier downhill, as well as the internal deformation of the ice. Glaciers can move both slowly and rapidly, shaping the land and contributing to landform formation.
Is a glacier a constructive force?
yes
What part of glacier moves fastest when the glacier moves by internal plastic flow?
The central part of the glacier moves fastest than its edges as it is thickest from the center.
What is basal drag force?
Basal drag force is the resistance on a glacier's base as it moves over its bed. It occurs due to the friction between the glacier and the underlying rock or sediment. The amount of basal drag force can affect the speed and movement of the glacier.
What part of a glacier moves fastest when glacier moves by internal plastic flow?
The center or axis of a glacier generally moves the fastest when the glacier is moving by internal plastic flow. This is due to the greater pressure and thickness of ice at the center, causing it to flow more readily than the slower moving edges and margins of the glacier.
What are 3 types of glacier movement?
Three types of glacier movement are basal sliding, internal deformation, and flow. Basal sliding occurs when the glacier moves over a layer of meltwater at its base. Internal deformation involves the slow movement of ice crystals within the glacier. Flow refers to the overall movement of the glacier downslope due to gravity.
What part of glacier most faster when the glacier moves by internal plastic flow?
When a glacier moves by internal plastic flow, the basal layers, particularly those close to the glacier bed, tend to move faster than the upper layers. This is due to the increased pressure and heat at the base, which causes the ice to deform more readily. Additionally, the flow is often faster in the center of the glacier compared to the edges, as friction with the valley walls slows down the flow.
Is it true that due to the force of friction a glacier will start to move downhill once the layer of snow and ice is more than about 30 to 40 meters deep?
Yes, the force of friction between the glacier and the ground is one of the factors that allows glaciers to move downhill under their own weight. This movement occurs once the thickness of the glacier reaches a critical depth where the force of gravity overcomes the frictional resistance. Once this threshold is reached, the glacier will start to flow downslope.
True or false a glacier moves under the force of gravity?
True. Glaciers move downhill under the force of gravity, as the weight of the ice causes it to slowly flow over the land. This movement can occur through processes like basal sliding and internal deformation.
What is the rapid movement of a glacier called?
The rapid movement of a glacier is called a glacier surge. This sudden acceleration in movement can be caused by internal changes within the glacier, such as the release of stored meltwater or changes in the glacier's structure.
What type of internal force acts on a wire as you make it into a circle?
the internal force is bending
What is a crevasse in a glacier and how does it form?
A crevasse in a glacier is a deep crack or fissure that forms in the ice due to stress and movement. It is typically caused by the glacier's flow over uneven terrain or changes in speed. Crevasse formation can also be influenced by factors such as temperature changes and the glacier's internal structure.
