A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Abrasion is the
stretching and wearing away of cliffs, coasts and riverbeds by pebbles, gravel
and other material.
Arch
is a passage
in a headland caused by erosion.
Attrition is the breaking down of rocks as they rub against each other while being transported.
Backwash is the water moving down the beach towards the sea after the swash.
Barrier beach is a series of low islands, parallel to the coastline that are usually formed by the elongation of a spit. These normally consist of sand and/or coral.
Bar/bay mouth bar is the extension of a spit across the mouth of a bay linking two headlands.
Barrier island is one
of the islands forming a barrier beach.
Bay is the curved
inlet between two headlands.
Bay bar
see
‘barrier beach’.
Beach is the
accumulation of deposited material found between high and low watermark.
Beach nourishment
is the artificial input of beach material (sand and other deposits) to
compensate for beach erosion.
Beach profile is the cross-section of a beach showing its gradient.
Berm
is a
horizontal ridge of sediment found at the back of a beach.
It indicates the high water mark.
Blowhole is a vertical
hollow linking the top of a headland to a cave.
Waves force air into the crack, causing high pressures.
This weakens the rock and forms a hollow from where water escapes.
Breakwater is a man made structure used to reduce the energy of the waves thus protecting the beach.
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