The high degree of indentation of Bantry Bay is not solely influenced by the relative resistance of rock types, but also the orientation of strata SW-NE means that they directly face high energy Atlantic waves driven by the prevailing SW wind. A famous example of a coastline. The part of the wave in the deeper water moves forward faster causing the wave to bend. Set individual study goals and earn points reaching them. 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. 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. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. Swanage is located in South England and features both a discordant and concordant coastline (see diagram below) Due to this contrasting geology a number of differences can be outlined. Bits of rock and sand that the waves have picked up are thrown against the cliff face. Sediment Cells. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. While discordant coastlines have bands of different rock types running perpendicular to the coast, concordant coastlines have bands of similar rock types running parallel (alongside) to the coast. Although now a coastal village, Happisburgh was once some distance from the sea, parted from the coast by the parish of Whimpwell, long since eroded away. Key Question: What are the different landforms of the Jurassic Coast? Approximately 40% of all people live within 100km of a coastline. What are the differences in global calorie intake and food supply? Faulting is the fracturing of rock with movement from its original position. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. Coastal Processes | Summary & Types | GCSE Geography Revision Notes Waves move up and down there is no horizontal movement. Explore. concordant coastlines. How do changes affect the balance of an ecosystem? In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. (For example the south or the Dorset coast) . Economic opportunities and challenges in Lagos. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Paisajes. Earn points, unlock badges and level up while studying. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. A concordant coastline is where the same rock runs along the length of the coast. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. When a stretch of coastline is formed from different types of rock, headlands and bays can form. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. What factors affect population density and distribution? Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). In some cases it is estimated that there was a rise . Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . Part of the Dorset coastline in the UK running north from the Portland limestone of Durlston Head is a clear example of a discordant coastline. Bull's Head in St Oswald's Bay. The differing resistance to erosion leads to the formation of headlands and bays. What is the Demographic Transition Model? The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. How has the vegetation in the temperate deciduous forest adapted to the climate? Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. Water quality and pollution management in the UK. PSYCHIC TWINS . Soft rocks like mudstone and siltstone Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. It can be reached at low tide by walking from the mainland. Within geography, the definition of a coastline is the area where land meets water. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. How can we increase the amount of food produced globally? starter: Students examine the picture and discuss what is happening to the houses and why. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. A concordant coastline has the same type of rock. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . coastlines. lulworth cove concordant coastline. weathering. Lulworth . Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Many of the major cities built directly along coastlines, such as New York City and Tokyo, will be forced to develop solutions that counter rising sea levels or else abandon waterfront infrastructures and construct further inland. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Limestone Case Study Malham, The Yorkshire Dales. Lulworth Cove is located on the so-called Jurassic Coast, spanning 185 million years of geological history, from the Triassic (252 - 201 million years ago), Jurassic (199.6 - 145.5 million years ago), and Cretaceous (145 - 66 million years ago) periods. False! This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). Weathering and mass movement in river valleys. What is the impact of humans on the temperate deciduous woodland? During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. concordant and discordant coastlines bbc bitesize As we mentioned earlier, this tends to shift the coastline further inland. Emergent coastlines happen when either the water level has fallen or the land has risen. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. These are coastlines where the bands of rock run perpendicular to the coastline meaning . Best study tips and tricks for your exams. They are also called spilling or surging waves. It has a variety of other micro-features and a unique geology. 0. lulworth cove concordant coastline. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Tunisia Case Study. How is urban planning improving the quality of life for the urban poor in Mumbai? Constructed by Australian soldiers over the course of 13 years and officially opened in 1932, the Great Ocean Road is dedicated to fallen soldiers of . Discordant. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Fig. Which of the following are major types of coastlines? This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. What is migration and why do people migrate? South Dorset Coast 1. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. What is the distance between trough and crest called? A concordant coastline is an arrangement of rock strata along the coastline. Dalmatian coastline Formed by faulting and rising sea levels since the end of the last ice age West Cork, Ireland 1.Discordant Coastline 2.Rias Rock strata meets the coast at 90 degrees in parallel bands Weaker rocks (limestones) have been eroded creating long, thin bays (rias) in-between the mudstones and old . Reasons for Protecting Dawlish Warren: 1. The processes have been operating over the last 8000 years. 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. What problems are caused by global warming? Why is the weather of the UK so changeable? May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. A concordant coastline can take one of the following two landform types: An example of a concordant coastline is Lulworth Cove, again, in Dorset, UK (figure 3). concordant coastlines. Concordant or conformable, when referring to plutonic bodies, indicates that the intruding magma of sills and laccoliths lies parallel to rather than cutting across country strata, as do discordant structures such as veins, dikes, bysmoliths, and batholiths. 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). Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. Everything you need for your studies in one place. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. PDF Coasts [3]. Bays and Headlands Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Concordant coastline Uncordant coastline Variable coastline 8. The concordant coastline runs from west to east along the south coast. chalk) . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. Although now a coastal village, Happisburgh was once some distance from the sea, parted from the coast by the parish of Whimpwell, long since eroded away. For example, both X and Y rate item 1 higher than item 2. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. The relative resistance of rock types influences the degree of indentation of bays. Find out more about concordant coastlines. What does scenery formed by erosion look like? Headlands and bays Cliffs along the coastline do not erode at the same pace. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. There are rias throughout the world, including Poole Harbour in Dorset. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . 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 low-energy wave spills into the bays as . The site is self-funded and your support is really appreciated. The rock strata are almost vertical, and the bands of rock are quite narrow. The sea attacks a weakness in the base of the cliff. Coasts - Erosion and Geology | Teaching Resources shale), eroding quicker than the hard, resistant rock (e.g. It has a discordant coastline along the east and concordant coastline along the south. 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 coastline runs from west to east along the south coast. 5 July 2020 / in AQA GCSE Geography , Coasts , Landforms of Coastal Erosion / by Anthony Bennett A discordant coastline is where the geology alternates between strata (bands) of soft and hard rock. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. True or False: Concordant coastlines form coves. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. starter: Students examine the picture and discuss what is happening to the houses and why. Aqa. A bedding plane is the interface between two sedimentary strata. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. Using examples examine the differences between discordant and concordant coastlines (with diagrams) (8) Coasts - Grade Booster Using examples, examine the physical factors that can influence how fast a coastline can erode (8) Coasts - Grade Booster Examine how soft engineering could prevent coastal erosion. The rock types are typically of . Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Discordant These are where rock strata or structures are aligned at an angle to the coastline. Pinterest. The angle these bands make with the coastline makes it either a concordant or discordant coastline. What is the structure of the tropical rainforest? (BBC, 2006). 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. When the auto-complete results are available, use the up and down arrows to review and Enter to select. The process begins with seawater hitting on the coastline. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Links to wider reading and an introductory video. caused by the shrinkage of igneous rock as it cools. The sea attacks a weakness in the base of the cliff. What is a concordant coastline? - Internet Geography When a stretch of coastline is formed from. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. 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. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. These act as agents of erosion because their backwashis greater than their swah. Concordant coastline 2. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. They have a. gradient, typically under . Sustainable development in the Temperate Deciduous Woodland. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. There are two special types of submerged coastlines: ria coasts and fjord coasts. Add in the missing words. Specification and other support materials for teachers, including delivery guides Explore. Coasts Revision Booklet. Coastal Processes: Erosion, Transport and Deposition - Blogger A concordant coastline produced by the geological structure of folds parallel to the coast. Coastal. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. What are the social and economic opportunities associated with the growth of Rio? Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. How Is Climate Change Impacting The Water Cycle. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. . Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. GCSE AQA 9-1 Coasts : The Formation of Headlands and Bays. Coastlines of Emergence. 8. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . You know your landforms of coastal erosion. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. 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. But do they serve as anything more than a place to go for a hike or a tan? A ria coast hosts multiple rias. 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. Ways destructive waves destroy the coastline . Concordant coastlines tend to have fewer bays and headlands. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. A concordant coastline has the same type. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. Bays and headlands are common features along discordant coastlines. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. As Thor says, not bad at all. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. Concordant coastline 2. Coastal landscapes in the UK - AQA - BBC Bitesize Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Case Study: Coastal Management in Dawlish Warren - Blogger A coastline with the same type of rock along its length; fewer bays and headlands . A concordant coastline is an arrangement of rock strata along the coastline. Use the images below to explore related quizzes. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. The warmer climate that followed melted much of the ice. Where are polar and tundra environments located? They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Each process can produce several coastal features; however, they often work together to sculpt the coastlines. . This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). The coast is the border between the land and the sea. . Coastal Geology - Geography A-Level - Revision World . If you have, then you've been to a coast and walked along a coastline. It's a way of having all my information in one place. Time for Geography | Coasts Videos
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