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. Extended writing tasks 2 a half term. As a result of the coastal feature, the depth of water around a coast varies. Insert links to other pages or uploaded files. When the auto-complete results are available, use the up and down arrows to review and Enter to select. It has a discordant coastline along the east and concordant coastline along the south. The gradual breakdown of rocks due to . Image. Bays and headlands are common features along discordant coastlines. Bull's Head in St Oswald's Bay. How do weather and climate affect river landscapes? The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Which of the following are major types of coastlines? Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. If you've been to the beach, you've probably seen some of them: mangrove trees and hermit crabs, penguins and sea oats- organisms that can neither fully survive way out at sea, nor venture too far inland. Touch device users . This results in the formation of headlands and bays. Waves move up and down there is no horizontal movement. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. The geology of the Isle is complex. Strata are different layers (or beds) of rock. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. 1. caused by the shrinkage of igneous rock as it cools. 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. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. Ripples are created; these ripples will become waves if the wind is sustained. Stop procrastinating with our smart planner features. Jamaica Case Study, How can the growth of tourism reduce the development gap? More erosion at the present (2016-2017) is occurring further east, down drift, in the Barton Golf Course and Hordle Cliff area, as a result of the Barton Sea Defences (the so-called "Terminal . Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. 8. It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. They have a low gradient, typically under one meter in height. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). What is chemical and mechanical weathering? It remains England's only natural World Heritage Site. Pebble sized particles are bounced along the river bed/sea by the force of the water. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. The cove is located in a South West England County known as Dorset that is found along the English Channel. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. 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 coasts . Fig. Learn vocabulary, terms, and more with flashcards, games, and other study tools. They have a. gradient, typically under . These waves are also known as plunging waves. The concordant coastline runs from west to east along the south coast. (For example the east of the Dorset coast) How Geology affects the coast . Nie wieder prokastinieren mit unseren Lernerinnerungen. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. Not surprisingly, destructive waves destroy beaches. What is the location and importance of Mumbai? How is a cold environment interdependent? It is only when the water enters shallower areas that the water itself moves forward. As stated earlier, coves are formed out of concordant coastlines. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). Concordant coastlines tend to have fewer bays and headlands. If you've been to the beach, you've been to a coastline! Type # 1. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. The process of erosion can create different landforms along the coastline. This quiz focusses in particular on those features which are caused by coastal erosion. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes 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. The process begins with seawater hitting on the coastline. What are the social and economic opportunities associated with the growth of Rio? Today. Where are Temperate Deciduous Woodlands Located? True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Highly popular with tourists - 20,00 people on the spit at peak times (the Environment Agency concluded that between 18th August and the 12th December 2004, 487,624 visitors visited Dawlish Warren equating . Lulworth Cove is a classic example of a 'concordant coast' - i.e. Will you pass the quiz? As erosion processes take place, the clay erodes away quicker than the. Specifically looking at the differences between concordant and discordant coastlines. During a storm, the most common waves are destructive. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. Destructive waves are usually very high, over 1m. A concordant coastline is where the same rock runs along the length of the coast. Stop procrastinating with our study reminders. Where do volcanoes and earthquakes happen? Which type of underlying geology is most likely to be formed into straight cliffs? Create your own unique website with customizable templates. A chalk cliff face is at the back of the cove. concordant coastlines. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. Discordant. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. 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. These Dalmatian types normally occur . Soft engineering: Beach nourishment is a type of soft approach. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Use the resources provided to write notes that UK Sediment Cells Source: Scool. Specification and other support materials for teachers, including delivery guides Explore. Historic records indicate that over 250 m of land were lost between 1600 and 1850. $14 million dollar house maine; A concordant coastline has the same type. Rocks outcrop at right angles to the sea, forming headlands and bays. 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. This means that these waves transport beach material back into the sea, lowering the height of a beach. If the direction of classifications is the same, the pairs are concordant. 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 . . How does food insecurity affect the environment? The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Create your own unique website with customizable templates. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. How do changes affect the balance of an ecosystem? 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. A concordant coastline has the same type of rock. Wrong! A wave-cut notch is created by erosional processes such . than in summer. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Create and find flashcards in record time. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. What are the effects of economic development in Nigeria on quality of life? Bits of rock and sand that the waves have picked up are thrown against the cliff face. Consequently headlands . Less resistant rocks are eroded more than the resistant . It's a way of having all my information in one place. This differential erosion creates headlands and bays along discordant coastlines. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. Correct! Sea forces change coastal landscapes with the wind being the major source of waves. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. (bands) of hard rock and soft rock; many bays and headlands. The outer hard provides a protective barrier to erosion of the softer rocks further inland. False! How does flooding affect humans and the environment? The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Type # 1. Adapted from BBC. A concordant coastline is an arrangement of rock strata along the coastline. Barton-on-Sea, in particular, is a well-known place to study coast erosion and sea-defence work, some successful, some partly successful, and some failed. Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. The three marine processes that shape the coastline are erosion, transportation, and deposition. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. These form where deposition produces unconsolidated geological structures parallel to the coastline. BBC Bitesize. discordant coastline diagram. What is the location and importance of Rio de Janeiro? . Because the waves are so frequent, the backwash has less time to soak into the sand. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. B Gradually the . chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. The concordant coastline runs from west to east along the south coast. Aqa. Fetch length along with the wind speed (or strength) determines the size of waves produced. 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. Introduction to the location of the Delta. Originally a band of resistant Portland . Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. How is urban planning improving the quality of life for the urban poor in Mumbai? How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. 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 ). Use the images below to explore related quizzes. The site is self-funded and your support is really appreciated. Within geography, the definition of a coastline is the area where land meets water. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. A concordant coastline produced by the geological structure of folds parallel to the coast. If the direction of the classification is not the same . Correct! . The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Erosion. Coasts Revision Booklet. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Concordant coastline 2. The site is self-funded and your support is really appreciated. These will be exam question style ranging from 4, 6 and 9 mark questions. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . Free and expert-verified textbook solutions. Distribution of earthquakes and volcanoes, Effects of earthquakes and volcanoes on people and the environment, Reducing the impacts of earthquakes and volcanoes, Population and settlement iGCSE Geography, The main causes of a change in population size, A country with a rate of high population growth China, A country which is over-populated Bangladesh, A country which is under-populated Australia, A country with a low rate of population growth or decline Japan. The water. What is the impact of humans on the desert? 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. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. 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. Its 100% free. 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. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. 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. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. How has the growth of Lagos caused inequality? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Erosion worsens as the waves becomes stronger. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. This is because access to the coast offers the opportunity for harvesting marine resources, especially fish, as well as the ability to conduct international trade via the sea. Soluble materials dissolve in water and are carried along. Where are polar and tundra environments located? material at the coast and in a river. Headlands and bays can form on concordant coastlines too, as has happened . Thus, a concordant coastline refers to a coastline that is made up of the same kinds of rocks and arranged parallel to the coast of the sea or ocean. Joints,Dips and Faults in terms of rocks. Coasts are shaped by the processes of erosion, transportation and deposition. Headlands and Bays 2. Waves interact with land through three major marine processes: erosion, transportation, and deposition. Terms of use / Privacy policy / GDPR, About this workspace Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. . . One of the topics looked at in GCSE Geography is the features that are found on a coastline. When a stretch of coastline is formed from. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. How has demand for water in the UK changed? A fjord coast hosts multiple fjords. 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. 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 . The soft rock is made of clay and sands, and the hard rock is chalk and limestone. A concordant coastline is an arrangement of rock strata along the coastline. 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 concordant coast may take one of two landform types.

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