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Erosion is caused largely by wind and water but also on a very large scale by?
A. Glaciers
How is glacial drift related to glaciers reshaping landscapes?
Glacial drift refers to the material deposited by glaciers as they advance and retreat. As glaciers move, they pick up rocks, sediment, and other debris, and when the glaciers melt, they leave behind this material known as glacial drift. This process of deposition and erosion by glaciers reshapes the landscape by carving out valleys, creating moraines, and smoothing out the land.
When do glaciers advance downward causing further erosional landforms?
Glaciers advance downward and cause further erosional landforms during periods of glacial advance when snowfall exceeds melting. This results in the glacier flowing and moving downhill, eroding the landscape through processes like plucking and abrasion.
When multiple glaciers start their downward flow from a single point what do they create?
When multiple glaciers flow downward from a single point, they create a feature known as a "piedmont glacier." This occurs when the glaciers spread out and merge as they move into a broader lowland area, often resulting in a lobe-like formation. Piedmont glaciers can significantly reshape the landscape by eroding and depositing sediments as they advance and retreat.
What conditions cause glaciers to grow larger and advance?
Glaciers grow larger and advance when accumulation of snow and ice exceeds melting and sublimation. This typically occurs in colder climates where temperatures remain low enough to prevent significant melting, especially during summer months. Additionally, increased snowfall can enhance accumulation, while factors such as elevation and latitude also influence glacier growth. These conditions create a positive mass balance, leading to the forward movement of glaciers.
Where do glaciers depost the earth and rock as they move forward and advance?
Glaciers often push earth and rock from beneath themselves as they move forward. Many natural lakes were formed by glaciers carving the earth as they passed.
3 facts about glaciation?
glaciers move with tremendous force, glaciers advance and retreat, and last but not least, they covered all of Canada and some of New York city :)
What are moraines and drumlins created by?
When glaciers advance or retreat, the sediments left behind create a moraine. Drumlins are created by the flow of glaciers that mold sediment into streamlined, elongated hills.
Erosion is caused largely by wind and water but also on a very large scale by?
A. Glaciers
How is glacial drift related to glaciers reshaping landscapes?
Glacial drift refers to the material deposited by glaciers as they advance and retreat. As glaciers move, they pick up rocks, sediment, and other debris, and when the glaciers melt, they leave behind this material known as glacial drift. This process of deposition and erosion by glaciers reshapes the landscape by carving out valleys, creating moraines, and smoothing out the land.
What are 3 ways a glacier can change the shape of land?
Glaciers can pick up and drop boulders Glaciers dig furrows in the ground where they have passed Glaciers are able to move mountains out of their way
When do glaciers advance downward causing further erosional landforms?
Glaciers advance downward and cause further erosional landforms during periods of glacial advance when snowfall exceeds melting. This results in the glacier flowing and moving downhill, eroding the landscape through processes like plucking and abrasion.
What are two ways in which glaciers erode Earth's surface?
When glaciers form they scrape earth's surface as they advance. Also when glaciers melt it deposits the sediment it eroded from the land creating various land forms.
What is the term for any long period of time during which glaciers advance and cover large areas of the earth surfaces?
Ice age
Moraines are deposits left by?
glaciers as they advance and retreat. They are composed of a mixture of rocks, boulders, and sediments that have been transported and deposited by the moving ice. These deposits can help scientists understand the history and movements of glaciers in a particular area.
Do glaciers stay in one piece?
Glaciers do not typically stay in one piece; they are dynamic systems that constantly move and change. Driven by gravity, glaciers flow and can break apart, calve, or melt due to temperature changes and environmental conditions. As they advance or retreat, they can also experience crevasses and icefalls, leading to fragmentation. Thus, while glaciers can appear stable, they are continually undergoing transformation.
When multiple glaciers start their downward flow from a single point what do they create?
When multiple glaciers flow downward from a single point, they create a feature known as a "piedmont glacier." This occurs when the glaciers spread out and merge as they move into a broader lowland area, often resulting in a lobe-like formation. Piedmont glaciers can significantly reshape the landscape by eroding and depositing sediments as they advance and retreat.
