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| The loss of volume or mass of a glacier. |
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| A bowl-shaped depression. Produced by glacial erosion. |
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| The perennially frozen earth. |
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| The boundary between the accumulation line and the ablation line. Where the net mass loss = gain. |
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| The drowned seaward end of a glacier-carved bedrock trough on a high-altitude sea coast. |
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| Persistent body of ice. Shows downward movement under gravity. |
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| The ice forming a glacier by the accumulation, compression, and recrystallization of snow. |
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| Like a hat of ice on mountains. |
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| Sheets of glacial ice that cover continental land masses. |
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| Sea ice that forms off the coasts of Antarctica. |
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| A high-latitude or high-altitude glacier, air is freezing, no melting occurs. |
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| The boundary of perennial snow. |
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| A warm glacier that forms in a temperate zone. Ice co-exists in equilibrium with water. |
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Where I'd like to be.
The rock or sediment on which the glacier rests. |
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| The progressive breaking off of icebergs from the front of a glacier that terminates in deep water. |
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Definition
| A deep gaping fissure in the upper surface of a glacier. Generally less than 50m deep. |
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| The period during which the earth is cold enough for glaciers to form. AKA ice ages, glacial periods/stages/epochs. |
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| The period between glaciations when ice sheets retreat and sea levels rise. |
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| Ridge-like accumulations of sediment formed by glacial advancement. Like the wake from a moving boat, only solid. |
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| Land areas beyond the limit of glaciers where low temperatures and frost actions are important factors on influencing the landscape. |
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| An unusual behavior marked by the rapid movement and dramatic changes of size and form of a glacier. |
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| Basal debris that is plastered onto the ground as till (unsorted sediment). |
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| A wind-blown or aeolian sediment derived from rock flower and is generally indicative of deposition during a long cold climate. |
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| Permanently-frozen ground. |
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| Frozen seawater. Floats on polar oceans. Consists of freshwater. |
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