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28 Cards in this Set
- Front
- Back
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Arch |
costal feature formed by the meeting of 2 caves into either side of a headland |
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bar |
ridge-like accumulation of costal sediments exposed at low tide |
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bay |
a wide costal inlet that is open to teh sea |
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beach |
an accumulation of costal sediments, usual in a sheltered area such as bays |
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biodiversity |
the number and variety of a living species found in a given area or ecosystem |
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headland |
an area of land jutting out into the sea |
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cave |
a hollow cut by the sea into the base of a cliff |
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conservation |
the protection of aspects of the environment for the future benefit of people |
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deposition |
the dropping of materials that was being carried by a moving force such as waves |
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development |
making use of the coast for a variety of purposes such as tourism, housing, shipping and industry |
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ecosystem |
community of plants ad animals that interact with each other and the physical environment |
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erosion |
the weathering away and removal of material by a moving force such as the sea |
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estuary |
the mouth of a river as it enters the sea |
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hard engineering |
protecting the coast by building structures such as seawalls |
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raised beach |
a former beach now standing above sea level, several meters inland |
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soft engineering |
protecting the coast by working with nature |
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spit |
material deposited by the sea that grows across a bay or estuary |
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stack |
a detached column of rock located just offshore, usually cause by the collapese of an arch |
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tombolo |
when a spit connects an island to a mainland |
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subaerial |
occurring on land as opposed to underwater or underground |
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hydraulic action |
sea water and air getting trapped in cracks in the rock causing the rocks to crack |
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abrasion |
rocks are thrown into the cliff by waves breaking off bits of the cliff |
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corrosion |
slightly acidity of seawater causes bits of the cliff to dissolve |
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attrition |
rocks, sand and stones are thrown into each other by the the sea current and waves |
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subaerial weathering |
tops of cliffs are eroded by the weather making the cliffs weaker and less stable. Wind, rain, the heat and the cold can all cause the cliff to be weathered. |
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mass movement |
the removal of cliff face material under the influence of gravity in the form of rock falls, slumping and landslides |
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weathering |
the breakdown of rocks which is caused by freeze-thaw and the growth of salt crystals, by acid rain and by the growth of vegetation roots. |
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yay |
geography |
