The coastal zone- Glossary 0.0 / 5 ? GeographyCoastal zonesGCSEAQA Created by: JordssCreated on: 25-04-14 19:19 Fetch Distance of open water over which wind can blow 1 of 36 Beach Deposit of sand and shingle at the coast, often found at the head of a bay 2 of 36 Swash Forward moment up the beach 3 of 36 Backwash Backward movement of water down a beach when the wave has broken 4 of 36 Constructive wave Powerful wave with a strong awash that surges up the beach 5 of 36 Destructive wave Wave formed by local storm crashing down on. Beach and has a powerful backwash 6 of 36 Mechanical weathering Breakdown of rocks without changing chemical composition-freeze thaw weathering 7 of 36 Chemical weathering Breakdown of rock changing chemical composition 8 of 36 Mass movement Shifting of rocks and loose material down a slope 9 of 36 Rock fall Fragments of rock break away from the cliff face due to freeze thaw weathering 10 of 36 Landslide Blocks of rock sliding down hill 11 of 36 Mudflow Saturated soil and weak rock flows down a slope 12 of 36 Rotational slip Slump of saturated soil and weak rock along a curved surface 13 of 36 Hydraulic power Sheer power of rocks breaks rock away 14 of 36 Corrosion Rocks being fling at a cliff by powerful waves 15 of 36 Solution Dissolving rocks such as limestone and chalk 16 of 36 Saltation Hopping movement of pebbles along the seabed 17 of 36 Suspension Lighter particles carried (suspended) in the water 18 of 36 Longshore drift Transport of sediment along the coastline, caused by waves approaching the beach at an angle 19 of 36 Headland Bit of land jutting out into the sea 20 of 36 Bay Broad coastal inlet with a beach 21 of 36 Wave-cut platform Wide gently sloping rocky surface at the foot of a cliff 22 of 36 Wave-cut notch Indentation (notch) cut into a cliff roughly at level of high tide caused by concentrated marine erosion 23 of 36 Cave Hallowed feature at base of an eroding cliff 24 of 36 Arch Headland partly broken through by the sea forming a thin roofed arch 25 of 36 Stack Isolated pinnacle of rock sticking out into the sea 26 of 36 Spit A finger of new land made from sand and shingle jutting into the sea from coast 27 of 36 Salt march Low lying coastal wetland extending between high and low tide 28 of 36 Bar A spit that's grown across a bay 29 of 36 Sea wall Concrete rock barrier at the foot of a cliff/ top of the beach 30 of 36 Groynes Timber rock structures out to the sea from the coast 31 of 36 Rock armour Piles of large boulders at foot of the cliff 32 of 36 Beach nourishment Additional sand/ shingle to an existing beach making it higher and broader 33 of 36 Dune regeneration Dunes provide buffers to the sea. Marram grass planted to strengthen dunes/help me them develop 34 of 36 Marsh creation (managed retreat) Allowing low-lying coastal areas to be flooded by the sea to become a salt marsh 35 of 36 Salt marsh Areas periodically flooded in coastal wetlands 36 of 36
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