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Geography Coasts

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Boulder Clay – The Unsorted sediment deposited directly below a glacier, which has a range of particle size from fine clay to rock fragments and boulders also known as a glacial till.
Fetch – The distance that a sea wave has travelled from its beginning to the coast where it breaks
Swell – A Long series of ocean waves, generally produced by wind, and lasting after the wind has ceased.
Longshore Drift –The Movement of sand and shingle along the coast Swash - known as a turbulent layer of water that washes up on the beach after an incoming wave has broken. Backwash - the motion of receding waves.
Abrasion – The grinding away of bedrock by fragments of rock which may incorporated in ice also known as Corrasion.
Hydraulic Action – The force of the water within a stream or river.
Corrosion – The Breaking down of something slowly, especially by chemical action.
Mass Movement – is the movement of surface material caused by gravity. Landslides and rock falls are examples of very sudden movements of this type.
Physical Weathering – any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock.
Biological Weathering – is the weakening and subsequent disintegration of rock by plants, animals and microbes. Growing plant roots can exert stress or pressure on rock.
Chemical Weathering – the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by mechanical processes.
Freeze Thaw – The Weathering of rocks which occurs when water which has penetrated joints and cracks freezes and expands.
Slumping – The mass movement where rock and soil move downward along a concave face.
Sub Aerial Processes –
Weathering –
Cliff Foot Processes

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