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A shingle beach, also known as either a cobble beach or gravel beach, is a commonly narrow beach that is composed of coarse, loose, well-rounded, and waterworn gravel, called shingle. The gravel (shingle) typically consists of smooth, spheroidal to flattened, pebbles , cobbles , and sometimes small boulders , generally in the 20 to 200 ...
A submergent landform: the drowned river valley of Georges River in the greater Sydney area, AustraliaSubmergent coastlines or drowned coastlines are stretches along the coast that have been inundated by the sea by a relative rise in sea levels from either isostacy or eustacy.
Chesil Beach from the Isle of Portland. A storm beach is a beach affected by particularly fierce waves, usually with a very long fetch.The resultant landform is often a very steep beach (up to 45°) composed of rounded cobbles, shingle and occasionally sand.
An ayre is the name used for shingle beaches found in Orkney, Shetland, the Isle of Man, Lancashire, Cumbria and Northumbria. [1] [2] The word is derived from the Old Norse eyrr, meaning a shingle beach or gravelly place, [3] and may be applied to ordinary beaches, cliff-foot beaches such as the Lang Ayre [4] in Northmavine, Shetland, spits, bars or tombolos, but only if formed of shingle.
Tombolo near Karystos, Euboea, Greece Tombolo contrasted with other coastal landforms.. A tombolo is a sandy or shingle isthmus.A tombolo, from the Italian tombolo, meaning 'pillow' or 'cushion', and sometimes translated incorrectly as ayre (an ayre is a shingle beach of any kind), is a deposition landform by which an island becomes attached to the mainland by a narrow piece of land such as a ...
The term erosion often is associated with undesirable impacts on the environment, whereas submersion is a sustainable part of healthy foreshores. Communities making decisions about coastal management need to develop understanding of the components of beach recession and be able to separate the component that is temporary sustainable submersion from the more serious irreversible anthropogenic ...
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Armour of basalt blocks. In hydrology and geography, armor is the association of surface pebbles, rocks or boulders with stream beds or beaches.Most commonly hydrological armor occurs naturally; however, a man-made form is usually called riprap, when shorelines or stream banks are fortified for erosion protection with large boulders or sizable manufactured concrete objects.