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The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. The differing resistance to erosion leads to the formation of headlands and bays. Historic records indicate that over 250 m of land were lost between 1600 and 1850. Best study tips and tricks for your exams. Their wavelength is long and a low frequency (8-10 waves per minute). The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. Find out more about concordant coastlines. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. What is Nigerias location and importance? Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. The low-energy wave spills into the bays as . The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. The part of the wave in the deeper water moves forward faster causing the wave to bend. How does food insecurity affect the environment? high and low energy coasts, geology and sea level and how these change a coastline | GEOLOGICAL structure : which create concordant and discordant coastlines ( Dalmatian and Haff ). Hilbre Island (Cheshire) is an example of a possible fieldwork location. Waves move up and down there is no horizontal movement. What feature is left behind as the cliff retreats? Landforms in the middle course of a river. Sustainable development in the desert The Great Green Wall. It is only when the water enters shallower areas that the water itself moves forward. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). Dorset coastline - Coastal landforms - AQA - BBC Bitesize Geology. For example the Neman Haff behind the bar running from the Kaliningrad in Russia to the Lithuanian coast at the mouth of the river Neman. Bonding between rocks either side of the plane is weaker than bonding within strata. Safe access points to the shoreline at several points around the edge. Headlands and bays Cliffs along the coastline do not erode at the same pace. What is a concordant coastline? - Internet Geography Be perfectly prepared on time with an individual plan. The shape of the coastline (which is dependent on its geology) - on concordant coastlines, rocks are parallel to the wave front and therefore rates of erosion are similar along the coastline. Along the coastline of Dorset, there are concordant and discordant coastlines. Concordant coastline 2. (bands) of hard rock and soft rock; many bays and headlands. Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. How has the vegetation in the temperate deciduous forest adapted to the climate? Specifically looking at the differences between concordant and discordant coastlines. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. The low-energy wave spills into the bays as . (bands) of hard rock and soft rock; many bays and headlands. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. What are the impacts of industry on the physical environment? Because of this difference in erosion resistance, discordant coastlines are home to headlands, due to eroding hard rock, and bays, due to eroding soft rock. A concordant coastline has the same type of rock. 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 warmer climate that followed melted much of the ice. The sea attacks a weakness in the base of the cliff. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. What problems are caused by global warming? Fig. Hydraulic action, attrition, abrasion, and corrosion. the same rock types are parallel to the coastline, with alternating bands of different rock types running parallel to the coastline behind it (as opposed to a 'discordant coastline' where the rock types are perpendicular to the coastline, presenting differing rock types to the sea along the coastline). Explore. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. full verbatim. Both concordant and discordant. This quiz focusses in particular on those features which are caused by coastal erosion. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. She is cooler than I am and has a life instead of enough time to make this. Concordant Coasts . True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. 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. Concordant and discordant coasts . CAIE IGCSE Geography 0460 Theory Revision Notes - ZNotes . The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. pg. (BBC, 2006). 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 . Today. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. They have a. gradient, typically under . It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. Shake Hands With Beef Girl, Humans, too, could almost be classified as a coastal species! Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. Named after the Dalmatia region on the Adriatic Sea. Practice Questions: Describe the differences between a concordant and a discordant coastline (4 marks) Explain how headlands form (3 marks) Explain how coves are formed (3 marks). The Jurassic Coast is a world-renowned site where you can find geological (natural) features, and different types of fossils, such as dinosaurs and a fossil forest. The longer the fetch length and the faster the wind speed, the . When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. Tunisia Case Study. 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 headlands are formed by the hard rocks such as limestone and chalk while the bays are formed as a result of the sweeping away of the soft rocks like clay and sand. The more the waves crash onto the beach, the more sediment is washed out to sea. Okay, now we know what coastlines are. The shifting coastlines can impact freshwater resources near the coasts by creating brackish mixtures, and can also pose an obvious danger to infrastructure built directly along the coast. the same rock types are parallel to the coastline, with alternating bands of different rock types running parallel to the coastline behind it (as opposed to a 'discordant coastline' where the rock types are perpendicular to the coastline, presenting differing rock types to the sea along the coastline). . Links to wider reading and an introductory video. What are the air masses that affect the UK? A wave-cut notch is created by erosional processes such . Beach material is deposited as a bridge of sediment (berm) at the top of the beach. What are the physical characteristics of cold environments? The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. You don't have permission to comment on this page. Where once there was a simple river with well-defined banks, now there is a sprawling river that has submerged most of the terrain around it. Give the quiz another go and don't forget to read up on this area by heading over to our coasts resources using the topics link at the top of the page. Today. If you have, then you've been to a coast and walked along a coastline. How do changes affect the balance of an ecosystem? Where do volcanoes and earthquakes happen? Adapted from BBC. 8. Specification and other support materials for teachers, including delivery guides Explore. Erosion Sea forces change coastal landscapes with the wind being the major source of waves. caused by the shrinkage of igneous rock as it cools. In some cases it is estimated that there was a rise . How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. A concordant coastline produced by the geological structure of folds parallel to the coast. Touch device users . The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. Concordant coastlines tend to have fewer bays and headlands. The water. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. The concordant coastline runs from west to east along the south coast. Categories . concordant and discordant coastlines bbc bitesize Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. How have animals adapted to the rainforest environment? A ria is a drowned river valley that leads out to the sea. Landform change - the Dorset coastline - BBC Bitesize If the direction of the classification is not the same . Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. The Earth has around 620,000 kilometres (390,000 mi) of coastline. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. . Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. It's a way of having all my information in one place. The angle these bands make with the coastline makes it either a concordant or discordant coastline. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Concordant. Beach Headland Blowhole Wave cut platform 9. Coastal Geology. Coasts - Erosion and Geology | Teaching Resources The coast is very young due to recent ice ages and resulting sea level change. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. As we mentioned earlier, this tends to shift the coastline further inland. Headlands and bays Cliffs along the coastline do not erode at the same pace. The amount of energy is dependent on the wind speed, the length of time the . of the users don't pass the Coastlines quiz! (adsbygoogle = window.adsbygoogle || []).push({}); If you've found the resources on this page useful please consider making a secure donation via PayPal to support the development of the site. Awesome, well done! What are the effects of deforestation in the Amazon? In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. Concordant and Discordant Coastlines by Leia Daniels - Prezi Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. 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. Safe access points to the shoreline at several points around the edge. What does scenery formed by erosion look like? A concordant coastline has the same type of rock along its. Over time, waves beating against the shore will wear it down (or erode it). A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. The water. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. concordant and discordant coastlines bbc bitesize Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Why is the weather of the UK so changeable? There are two special types of submerged coastlines: ria coasts and fjord coasts. Waves interact with land through three major marine processes: erosion, transportation, and deposition. The sea has broken through this barrier and easily eroded the clays behind it. How is urban planning improving the quality of life for the urban poor in Mumbai? Take a look at our resources under Topics in the menu at the top of the page. Shaping our coasts. Because the waves are so frequent, the backwash has less time to soak into the sand. The differing resistance to erosion leads to the formation of headlands and bays. There are four major types of coastlines: emergent, submergent, discordant, and concordant. 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. lulworth cove concordant coastline. This happened over about 1000 years, (very rapid) and submerged coastlines. Where are polar and tundra environments located? What is a concordant coastline? They are most common where fetchis short. . Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. PDF Coasts [3]. Bays and Headlands A concordant coastline comprises bands of different rock types that run parallel to the shore. What are Mumbais social and economic opportunities? But do they serve as anything more than a place to go for a hike or a tan? What are the causes of deforestation in the Amazon? During a storm, the most common waves are destructive. These coves are formed by waves breaking through an outer layer of hard rock, such as limestone, and then, over time, the waves sweep away the soft rock further inland, like sand and clay, creating a cove. Image. These form where deposition produces unconsolidated geological structures parallel to the coastline. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. Stacks, headlands, bays, cliffs and wave-cut platforms are all included. Start studying BBC Geography Bitesize: Coastal Processes. pptx, 1.58 MB. The relative resistance of rock types influences the degree of indentation of bays. Stop procrastinating with our study reminders. The net result is that the sediment gets smaller and smaller over time. As Thor says, not bad at all. Identify your study strength and weaknesses. Chucky Trill Net Worth 2020. How is a cold environment interdependent? What is the impact of humans on the Taiga? Long spits of sands run parallel to the low coast, enclosing the coast. What is the location and importance of Rio de Janeiro? Lulworth Cove is a classic example of a 'concordant coast' - i.e. Either way, there is now a (bit of) coastline that is no longer submerged under water. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. A famous example of a coastline. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. (For example the south or the Dorset coast) . Geological structure is the characteristics and arrangement of rock units. It remains England's only natural World Heritage Site. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Chesil Beach in Dorset was formed this way. They have a low gradient, typically under one meter in height. Type # 1. Besides hosting a multitude of specialised plants and animals, coastlines are also critical to our economic and political infrastructures, providing people with sources of food and livelihoods and allowing us to determine where our borders actually end. concordant coastlines. Practice Questions: Slideshow 2773107 by chanel coastlines. coastlines. 2B.2B Their Morphology - A-LEVEL GEOGRAPHY REVISION: EDEXCEL geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. A joint is a fracture of rock without movement from the original position, e.g. 4 - the process of forming Lulworth Cove, Dorset, UK. 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. What Is A Concordant Coastline? - WorldAtlas The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Coasts - Revision - Wingate Geography This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. Bits of rock and sand that the waves have picked up are thrown against the cliff face. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. concordant and discordant coastlines bbc bitesize what is the difference between concordant and discordant coast lines (4) concordant coasts are created where rock strata run parallel to the coastline in alternating bands of more resistant and less resistant rocks. This is called a discordant coastline. than in summer. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Human and physical factors causing river flooding. If the coastline is discordant then the rock type will change as we go up the coastline, An example of a discordant coastline is swanage. Which landforms result from moving or melting ice? Create flashcards in notes completely automatically. Wave Refraction and Coastal Defences. Bays and headlands are common features along discordant coastlines. This is a Geography revision website for the Edexcel A-Level from 2016 (so the new syllabus), and will contain my class notes, own research and detail from revision guides and textbooks. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Learn vocabulary, terms, and more with flashcards, games, and other study tools. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water.