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What is the middle layer of a glacier?
The middle layer of a glacier is called the "firn zone". This layer is composed of partially compacted snow that is in the process of being transformed into ice. The firn zone is found between the surface snow accumulation zone and the deeper layers of glacier ice.
What is the zone above the water table in which water is suspended called?
The zone above the water table where water is suspended is called the unsaturated zone or vadose zone. This zone contains both air and water in the soil or rock pores.
What is the zone called that lies above the water table?
The zone above the water table is called the unsaturated zone or vadose zone. This area contains both air and water, with the water content decreasing as you move up towards the surface.
Why are the uppermost 50 meters of a glacier referred to as the zone of fracture?
The zone of fracture experiences tension hen the glacier moves over irregular terrain. This tension results in gaping cracks called crevasses. Crevasses can be 50 meters deep. They are often hidden by snow and make travel across glaciers dangerous.
What are three differences between zone of ablation and zone of accumulation?
Zone of ablation is the area of a glacier where there is a net loss of ice due to melting, sublimation, and calving, while the zone of accumulation is the area where snowfall exceeds melting and forms new ice. In the zone of ablation, the glacier's terminus retreats, while in the zone of accumulation, the glacier advances. The zone of ablation typically occurs at lower elevations and is characterized by a negative mass balance, whereas the zone of accumulation is found at higher elevations with a positive mass balance.
What is the zone above the snowline on a glacier?
The zone of accumulation.
What is the zone above the snowline on a glaciers called?
The zone of accumulation.
What situation allows a glaciers size to be maintained?
a glacier has a snowline at the same height as the wastage line.
What is The line dividing the zone of accumulation from the zone of ablation on a valley glaciers is called?
The line dividing the zone of accumulation from the zone of ablation on a valley glacier is called the equilibrium line. This line marks the point where accumulation (snowfall) equals ablation (melting and sublimation), influencing the glacier's overall mass balance and movement.
What is the upper part of a glacier called?
The upper part of a glacier is called the accumulation zone. This is the area where snow accumulates and feeds the glacier, eventually turning into ice and flowing downhill towards the glacier's terminus.
What is the The area of a glacier where losses of ice exceed the addition of snow is called?
The area of a glacier where losses of ice exceed the addition of snow is called the ablation zone. In this zone, melting, sublimation, and iceberg calving typically occur at a higher rate than snow accumulation. This can lead to glacier retreat and overall shrinking of the glacier.
What is the middle layer of a glacier?
The middle layer of a glacier is called the "firn zone". This layer is composed of partially compacted snow that is in the process of being transformed into ice. The firn zone is found between the surface snow accumulation zone and the deeper layers of glacier ice.
What is the region above the benthic zone called?
it is called the pelagic zone.
What is the lower end of a glacier called?
The area that is melting faster than it is accumulating is the "Zone of Ablation." The very bottom end of a glacier is typically called its "foot."
What is the zone above the water table in which water is suspended called?
The zone above the water table where water is suspended is called the unsaturated zone or vadose zone. This zone contains both air and water in the soil or rock pores.
What is the equilibrium line of a glacier?
The equilibrium line of a glacier is the boundary where there is an equal balance between the amount of ice gained through snow accumulation and the amount lost through melting or iceberg calving. It divides the accumulation zone (above the equilibrium line) from the ablation zone (below the equilibrium line). Glaciers will advance or retreat depending on the position of their equilibrium line.
In which zone of a glacier would you find an area of growth?
The "accumalation zone."
