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Ablation can refer to mass loss from the upper surface of a glacier or ocean-driven melt and calving on the face of a glacier terminus. [7] Ablation can refer either to the processes removing ice and snow or to the quantity of ice and snow removed. Debris-covered glaciers have also been shown to greatly impact the ablation process.
Ablation zone or ablation area refers to the low-altitude area of a glacier or ice sheet below firn with a net loss in ice mass. This loss can result from melting , sublimation , evaporation , ice calving , aeolian processes like blowing snow , avalanche , and any other ablation .
A glacier stream is a channelized area that is formed by a glacier in which liquid water accumulates and flows. [1] Glacial streams are also commonly referred to as "glacier stream" or/and "glacial meltwater stream". The movement of the water is influenced and directed by gravity and the melting of ice. [1]
A cardiac ablation is a treatment for irregular heartbeats. It's described by the Cleveland Clinic as a "minimally invasive procedure that creates scars to stop the electrical impulses that cause ...
Subglacial meltwater is the main product of glacial ablation.This meltwater acts as the force that causes subglacial tills to deform, and also plays a significant role in shaping the morphology and distribution of the till on the till plain.
The glacier equilibrium line is the line separating the glacial accumulation area above from the ablation area below. The equilibrium line altitude (ELA) and its change over the years is a key indicator of the health of a glacier.
Deglaciation is the transition from full glacial conditions during ice ages, to warm interglacials, characterized by global warming and sea level rise due to change in continental ice volume. [1] Thus, it refers to the retreat of a glacier , an ice sheet or frozen surface layer, and the resulting exposure of the Earth 's surface.
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