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18 Cards in this Set
- Front
- Back
Groin |
Bars that slow drift action along a coast |
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Headlands |
A narrow piece of land that projects from the coastline into the sea |
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Sea Stacks |
Columns of rock standing in the sea remaining after erosion of cliffs |
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Sea Arch |
Left standing after erosion of a cliff |
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Littoral Zone |
Near shore area where sunlight penetrates all the way to the sediment and allows aquatic plants to grow |
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Eolian processes |
Pertain to activity of winds |
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Yardings |
A sharp irregular Ridge of compact sand lying in the direction of the prevailing wind in exposed desert regions |
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Ventifacts |
Stone shaped by erosive action of windblown sand |
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Desert Pavement |
A surface layer of closely packed or cemented pebbles, rock fragments, etc., from which fine material has been removed by the wind in arid regions |
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Deflation |
A process of wind erosion that removes and lifts individual particles |
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Permafrost |
Soil/rock that has been frozen for 2 years at least |
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Continuous Permafrost |
Region of perennial permafrost pole ward of the 19°F isotherm and affects all surfaces except those beneath deep lakes or rivers |
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Discontinuous Permafrost |
Areas of scattered permafrost, poleward toward the continuous layer |
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Active Layer |
-A zone of seasonally frozen ground between the subsurface permafrost layer and the ground surface -subject to consistent daily and seasonal freeze-thaw cycles |
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Periglacial |
-The cold-climate processes, landforms, and topographic features along the margins of glaciers, past and present, that occupy 20% of earth's land surface -Near poles |
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Glacial Drift |
All glacial deposits |
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Glacial Till |
As a glacier melts, all unsorted debris is deposited on the ground surface as till |
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Horn |
Results when several cirque glaciers gouge an individual mountain summit from all sides |