Coastal Processes and Landforms Constructive Waves - Swell or surging waves created by distant storms (low frequency (6-8/minute); long wavelength (up to 100m); low flatter waves (<1m); low energy and stronger swash than backwash Destructive Waves - Storm or plunging waves created by local winds / storms (high frequency (10-12/minute); short wavelength (<20m); high steep wave (>1m); high energy and backwash stronger than swash Fetch - the distance over which wind has blown (i.e. distance
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The Formation of Coastal Landforms Coastal landforms are formed in several different ways and can depend on several factors. The factors are things such as wind direction rocky type and fetch of the waves around the landform. These factors all contribute to create distinctive landforms. This essay will be identifying the ways in which these coastal landforms have been made Headlands and bays such as Beachy head on the south coast of England. Headlands and bays are often found on the same coastline
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Coastal Processes Coasts are shaped by the sea and the action of waves. Waves act in different ways‚ through the processes of erosion‚ transportation and deposition. Coasts: A coast is found where the land meets the sea. Coasts undergo change due to coastal processes and (as with rivers) there are main processes at work: Erosion Transportation Deposition Each of these processes involves the power of the sea and the effect of waves that are carried to shore. However other factors also
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ENDOGENOUS PROCESSES AND ASSOCIATED LANDFORMS THE EVER CHANGING LANDSCAPE • • • • • • Earth’s surface is ever changing Endogenous processess- interior of the earth Mountains‚ plateaus and plains formed Occurences of volcanoes and earthquakes Processess- slow and sudden Many areas rise or subside NOTABLE CHANGES • • • • Breaking of Gondwanaland 120 mya Indian peninsula started drifting towards north Took present shape around 40 mya Raising of Himalayas- present height during last 1 million years
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more located coastlines‚ examine the factors responsible for landforms of coastal erosion. (25 marker) Most of our landforms on the coastline are formed because of coastal erosion. But firstly it is essential to understand what coastal erosions are. Coastal erosion involves the breaking down and removal of material along a coastline by the movement of wind & water. They are sorted in two categories‚ Marine processes and Sub aerial processes. A few methods of erosion are; Abrasion‚ hydraulic action
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What are geomorphic processes and how do they affect the coast at Hengistbury Head? Setting the scene Hengistbury Head is a scenic and historic headland near the town of Bournemouth on the south coast of England. It stands mid-way between Poole harbour and Hurst spit and forms the main division between Poole and Christchurch Bays. Coastal Processes | Description | Sub Aerial | Coastal erosional processes that are not linked to the action of the sea. Erosion occurs via rain‚ weathering
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sectors are retail‚ manufacturing‚ tourism‚ health and social care. This report will investigate the coastal processes
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Examine the factors affecting the development of landforms of coastal deposition (25). Coastal environment is the dynamic interface between land and sea with many distinctive coastal landforms‚ given rise by a range of physical processes‚ including deposition. Beaches are landforms of deposition. Its development is affected by wave characteristics‚ specifically constructive wave. They have long wavelengths are long and wave height often less than one metre. The breaking waves have low levels
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Landforms are the physical features of the earth. They are described with particular attention to the contours of the land slope‚ elevation and morphology as well as the context in which the landform resides. For instance‚ landforms may be categorized based on how they are formed (such as by erosion) or what surrounds them (such as surrounded by water or mountains). Landforms are distinct from the biota (plant and animal life) that inhabit the ecosystems contained within the landform. Scale -
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Investigation Into Coastal Processes At East Coast Park Introduction What is the aim ? To investigate the processes that shape the coastline of the beach at East Coast Park ‚ Singapore. What is the hypothesis ? The hypothesis for this study was that “natural processes are the only processes shaping the
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