Bonding between rocks either side of the plane is weaker than bonding within strata. Case studies Dorset Jurassic coast and Holderness. Our geography videos are developed with links to various specifications including Geography GCSE, Geography IGCSE, Geography AS-level, Geography A-level, Geography IA-level, Geography National 5, Geography Higher. If the coastline is concordant then the coastline will have the same type of rock all the way down the coastline, because the ropck is running parallel to the coastline. They have a low gradient, typically under one meter in height. The water. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. Paw Patrol Does Ryder Have A Crush On Katie, During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. Wave Refraction and Coastal Defences. A coastline with the same type of rock along its length; fewer bays and headlands. Introduction to the location of the Delta. . Sediment Cells. During the Devensian Glacial eustatic changes lowered sea levels by 120 m. At the start of the Holocene Interglacial (10,000 years BP) led to a rapid 100 m eustatic rise in global sea levels, as 3,000 years of ice sheets and glaciers shrank. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. in height. The more the waves crash onto the beach, the more sediment is washed out to sea. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. She is cooler than I am and has a life instead of enough time to make this. This is considered sovereign national territory, the same as boundaries on land. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts - YouTube 2:20 Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts TheGeographyGuy 1.66K. Coastal Erosion Landforms Quiz - Internet Geography Concordant coastline Uncordant coastline Variable coastline 8. Tunisia Case Study. What is chemical and mechanical weathering? The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the ocean or a lake. The coast is the border between the land and the sea. Whenever you search in PBworks, Dokkio Sidebar (from the makers of PBworks) will run the same search in your Drive, Dropbox, OneDrive, Gmail, and Slack. PBworks / Help How have animals adapted to cold environments? What Is A Concordant Coastline? - WorldAtlas coastal landforms, any of the relief features present along any coast, the result of a combination of processes, sediments, and the geology of the coast itself. The first difference between concordant and discordant coastlines is that the concordant coastlines are composed of similar rock types whereas, in the case of discordant coastlines, the rocks are of different kinds. Ordinal trends and finding concordant and discordant pairs Concordant coasts are also known as dalmatian coasts, after the Dalmatian region of Croatia, or Pacific coasts, after the coastline of Chile in South America. 1. Nie wieder prokastinieren mit unseren Lernerinnerungen. formed by the erosion of less resistant Wealden Clays. Concordant coastline 2. Bits of rock and sand that the waves have picked up are thrown against the cliff face. What are the effects of economic development in Nigeria on quality of life? A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. The River Tees landforms of erosion and deposition, Case Study Ganges/Brahmaputra River Basin, Geological time is on a different time to human time, Different rocks create contrasting landforms and landscapes. Geology [ edit] The form of the coastline around Durdle Door is controlled by its geologyboth by the contrasting hardnesses of the rocks, and by the local patterns of faults and folds. Coastlines where different types of rock alternate between hard and soft rock are called discordant coastlines and will have more bays and headlands along its length. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. South Dorset Coast 1. Weathering and mass movement in river valleys. https://commons.wikimedia.org/wiki/File:Lulworth.png. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). . However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. Find out more about concordant coastlines. . This results in the formation of headlands and bays. What is the role of transnational companies in Nigeria? [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. coastlines. . During the Devensian Glacial eustatic changes lowered sea levels by 120 m. At the start of the Holocene Interglacial (10,000 years BP) led to a rapid 100 m eustatic rise in global sea levels, as 3,000 years of ice sheets and glaciers shrank. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. BBC iPlayer 37k followers More information Discordant and concordant coasts in Dorset Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. (For example the east of the Dorset coast) How Geology affects the coast . A concordant coastline produced by the geological structure of folds parallel to the coast. Re-rerouting a two lane road can cost between 150,000 and 250,000 per 100 m. The collapse of the section of coast supporting the South Devon Main Line Railway in February 2014 cost 35 million to repair, and businesses in the South West lost 60 million. Which of the following are associated with discordant coastlines? The updated BBC Bitesize website has a great video on . Cliffs and Wave-cut platforms Before you revise the formation of these landforms, have a look at this video and make sure you are able to identify the landforms from their distinctive features. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. If you continue to use this site we will assume that you are happy with it. A hard rock type such as granite is resistant to erosion and creates a promontory whilst a softer rock type such as the clays of Bagshot Beds . Its 100% free. Image. Full lesson covering the different types of erosion and geology along the coast. pg. full verbatim. These Dalmatian types normally occur . Joints,Dips and Faults in terms of rocks. The Bay is also a product of sea level rise, since river erosion cut a low-relief river valley into Carboniferous Limestone, allowing the sea to flood inland and creating a ria at the start of the Holocene. Concordant coastlines tend to have fewer bays and headlands. About 40% of the global population lives within 100km of a coastline. Elsewhere a ridge of sand forms a line of barrier islands, sand banks and mud flats parallel to the coast, e..g Friesian Islands off the North Sea coast of the Netherlands, Germany and western Denmark. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. These form where deposition produces unconsolidated geological structures parallel to the coastline. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Coastal Environments CPD - Erosional Landforms, Coastal Management and Fieldwork on the Holderness Coast; Coastal Environments CPD - Erosional Erosion, Coastal Management, Deposition and Fieldwork on the Holderness Coast . What is the structure of the Temperate Deciduous Woodland? . Soft engineering: Beach nourishment is a type of soft approach. What is the impact of humans on the desert? What factors influence the effects and response to tectonic activity? If you've found the resources on this site useful please consider making a secure donation via PayPal to support the development of the site. A coastline with the same type of rock along its length; fewer bays and headlands . Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. Discordant These are where rock strata or structures are aligned at an angle to the coastline. The differing resistance to erosion leads to the formation of headlands and bays. If the coastline is concordant then the coastline will have the same type of rock all the way down the coastline, because the ropck is running parallel to the coastline. Not surprisingly, destructive waves destroy beaches. Use the images below to explore related quizzes. Bull's Head in St Oswald's Bay. Even London is built along the River Thames, which flows into the North Sea. Have all your study materials in one place. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Which of the following is NOT a major process through which waves shape the coast? Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. When a wave breaks upon the shore, rocks and pebbles that are being carried collide with each other breaking them and eventually making them smaller and smoother. How can we increase the amount of food produced globally? What are the economic and environmental issues of energy production? Where do volcanoes and earthquakes happen? Time for Geography | Coasts Videos Copyright2007 - 2023 Revision World Networks Ltd. The outer hard rock is Portland limestone. How do changes affect the balance of an ecosystem? These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. Discordant coastline . Ways destructive waves destroy the coastline . A discordant coastline occurs where bands of different rock type run perpendicular to the coast. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. A concordant coastline is where the same rock runs along the length of the coast. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Straight coastline now formed by a concordant band of constant chalk. These are coastlines where the bands of rock run perpendicular to the coastline meaning . Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Touch device users . How are Nigerias trading and political relationships changing? of the users don't pass the Coastlines quiz! Coastlines where different types of rock alternate between hard and soft rock are called discordant coastlines and will have more bays and headlands along its length. The concordant coast may take one of two landform types. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. The form of the coastline around Durdle Door is controlled by its geologyboth by the contrasting hardnesses of the rocks, and by the local patterns of faults and folds. The following are facts about destructive waves. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Today. Concordant. A hard rock type such as granite is resistant to erosion and creates a promontory whilst a softer rock type such as the clays of Bagshot Beds . They have low energy and an elliptical orbit. Will you pass the quiz? It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The differing resistance to erosion leads to the formation of headlands and bays. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. Coastlines will expand as climate change continues. These act as agents of erosion because their backwashis greater than their swah. By registering you get free access to our website and app (available on desktop AND mobile) which will help you to super-charge your learning process. If you have, then you've been to a coast and walked along a coastline. At the mouth of the River Oder near Szczecin, Stettiner Haff formed where sand ridge connected islands, leaving river to emerge through three narrow outlets. These will be exam question style ranging from 4, 6 and 9 mark questions. Adapted from BBC. Geological structure is the characteristics and arrangement of rock units. You need to do some work on landforms of coastal erosion. It remains England's only natural World Heritage Site. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Waves are the main reason for coastal change. Coasts - Erosion and Geology | Teaching Resources Categories . guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. Sustainable development in the Temperate Deciduous Woodland. Concordant and discordant coastlines Caves, arches, stacks and stumps Caves, arches, stacks and stumps are all features of a weathering or erosion process at different stages. 3.1B Transport Technology and Globalisation, 3.2 Political and Economic Decision Making, 7C Economic Development and Environmental Impact, 8B Controlling the Spread of Globlisation, 4A.1B Economic Activity and Social Factors, 4A.1A Changing Function and Characteristics, 4A.6 Evaluating the need for Regeneration, 6C Representation and Need for Regeneration, 10A Measuring the Success of Regeneration, 12A Restructuring and Contested Decisions, 7.5 Superpowers and International Decision Making, 7.6 Superpowers and the Physical Environment, 7.6C Middle-Class Consumption on Emerging Powers, 7.8A Emerging Powers and the Developing World, 8.2 Variations in Health and Life Expectancy, 8.3A The relationship between economic and social development, 8.5A Human Rights Vs Economic Development, 8.8 the Positive and Negative of Development, 2B.2C Geological Structure and Cliff Profiles, 2B.3B Rock Strata and Complex Cliff Profiles, 4C Coastal Landscapes Produced by Erosion, 8C Temporal Variations in Coastal Recession, 9A Local Factors that Increase Coastal Flood Risk, A - Economic and Social Losses from Recession, 2B: 12 Integrated Coastal Zone Management, 1B Importance and Size of Stores and Fluxes, 5.4 Deficits within the Hydrological Cycle, 5.8 Consequences and Risks of Water Insecurity, 8A - Causes and Pattern of Physical and Economic Scarcity, 5.9C Integrated Drainage Basin Management, 6.1C - Geological Processes Releasing Carbon, 6.2 Biological Processes Sequestering Carbon, 6.3 Human Activity Altering the Carbon Cycle, 6.6C Radical Technologies to Reduce Carbon Emissions, 6.7 Human Activity Threatening the Carbon and Water Cycles.
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concordant and discordant coastlines bbc bitesize