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Glaciation.

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What is basal sliding?

In general, ice sliding across rock. Usually applies to glacial movement and its impact on the underlying ground.


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.


When A glacier will move by sliding when the base of the ice and the underlying rock are separated by a thin layer of?

I believe the answer is water.


What is the movement of an ice?

The movement of ice, particularly in glaciers, occurs through processes like internal deformation and sliding at the base. As the glacier accumulates snow and ice, gravitational forces cause it to flow slowly downhill. This movement can be influenced by temperature, pressure, and the underlying terrain, leading to varying rates of flow. Additionally, ice sheets can also calve into the ocean, contributing to sea-level rise.


2 What does it mean to say a glacier is retreating?

The glacier is melting faster than it is sliding down the valley.


Abrasion and plucking generally involve what part of a glacier?

The basal sliding zone


What happens when a glaciers rate of melting is greater than its rate of movement?

When a glacier's rate of melting exceeds its rate of movement, excess meltwater can accumulate at the surface, leading to the formation of melt ponds and potential for surface water to drain through crevasses, lubricating the base and potentially increasing sliding speed. This imbalance can disrupt the glacier's stability and potentially accelerate its flow towards the terminus.


What is the mass of snow or ice sliding down a mountain?

A glacier (slowly) An avalanche (fast)


What are 2 forces caused by glaciers moving?

As glaciers move, they exert two primary forces: basal sliding and internal deformation. Basal sliding occurs when the glacier's weight and meltwater create lubrication at its base, allowing it to slide over the ground. Internal deformation involves the movement of ice within the glacier itself, where the weight causes the ice to flow and deform under pressure, leading to the glacier's overall advance or retreat. These forces shape the landscape, carving valleys and transporting sediments.


What are the two types of glacial movement?

The two types of glacial movement are basal sliding, which occurs when the entire glacier slides over the bedrock due to meltwater lubrication, and internal deformation, which involves the ice deforming and flowing like a viscous fluid under its own weight.


What mass movement involves the sudden movement of a block of material along a flat inclined surface is called a?

Mass movement involving the sudden movement of a block of material along a flat inclined surface is called a rockslide. It is a type of landslide characterized by the rapid sliding or falling of rock down a slope.


Is sliding friction the force that slows a book sliding on a table?

Yes, Sliding friction opposes the movement of the book, slowing it down.