The central part of the glacier moves fastest than its edges as it is thickest from the center.
the top layer whic is compacted snow and ice which is about 15m deep
the glacier picks up the sediments, rocks, till, debris, and soil and carries them along while the glacier moves and will eventually drop them.
Glaciers on average only move a few inches per day. Some don't move at all. The Jakobshavn Isbræ glacier in Greenland moves 20 to 30 meters a day, while the Byrd Glacier in Antarctica, the biggest in the world, moves 2 - 3 meters a day. Some may move more quickly if they are affected by seismic invents that may happen near its location.
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Glacier speed is not constant across the glacier. The top half of the glacier moves faster than the bottom, presumably because of friction. The sides also flow slower than the middle, also because of friction. The middle of the glacier at the equilibrium line flows fastest, the head and terminus flow slower. Above the equilibrium line the glacier grows faster than it melts; this is called the accumulation zone. Below the equilibrium line, the glacier melts faster than it grows; this is called the ablation zone.
the top layer whic is compacted snow and ice which is about 15m deep
Yes, because continental glaciers form faster than valley glaciers.
Any large mass of ice that moves slowly over ice is called a glacier.
the glacier picks up the sediments, rocks, till, debris, and soil and carries them along while the glacier moves and will eventually drop them.
Glaciers on average only move a few inches per day. Some don't move at all. The Jakobshavn Isbræ glacier in Greenland moves 20 to 30 meters a day, while the Byrd Glacier in Antarctica, the biggest in the world, moves 2 - 3 meters a day. Some may move more quickly if they are affected by seismic invents that may happen near its location.
I think it moves quicker in the middle and slower around the sides.
A Glacier.
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Glacier speed is not constant across the glacier. The top half of the glacier moves faster than the bottom, presumably because of friction. The sides also flow slower than the middle, also because of friction. The middle of the glacier at the equilibrium line flows fastest, the head and terminus flow slower. Above the equilibrium line the glacier grows faster than it melts; this is called the accumulation zone. Below the equilibrium line, the glacier melts faster than it grows; this is called the ablation zone.
it's a valley glacier, it moves slowly carrying debris and melted snow.
The feature that is the result of a glacier carving out rock as it moves is a roche moutonnees. It is a rock formation created by the passage of glacier ice. Or a terminal moraine
The feature that is the result of a glacier carving out rock as it moves is a roche moutonnees. It is a rock formation created by the passage of glacier ice. Or a terminal moraine