shale), eroding quicker than the hard, resistant rock (e.g. 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. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. 1. Lulworth Cove has occurred on a concordant coastline. Which of the following are associated with discordant coastlines? What does scenery formed by erosion look like? What is a concordant coastline? What factors affect population density and distribution? The net result is that the sediment gets smaller and smaller over time. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Emergent Coastlines. Headlands and bays can form on concordant coastlines too, as has happened . 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. The geology of the Isle is complex. Case studies Dorset Jurassic coast and Holderness. The relative resistance of rock types influences the degree of indentation of bays. The differing resistance to erosion leads to the formation of headlands and bays. Because the waves are so frequent, the backwash has less time to soak into the sand. material at the coast and in a river. The Jurassic Coast begins at Orcombe . The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. The swash of a destructive wave is much weaker than its backwash. This differential erosion creates headlands and bays along discordant coastlines. They have a mainly circular orbit, a .. gradient. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Discordant. Case studies Dorset Jurassic coast and Holderness. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. Great Ocean Road, Australia. All maps, graphics, flags, photos and original descriptions 2023 worldatlas.com, Coastal Countries With The Shortest Coastline, Meet 12 Incredible Conservation Heroes Saving Our Wildlife From Extinction, India's Leopard God, Waghoba, Aids Wildlife Conservation In The Country, India's Bishnoi Community Has Fearlessly Protected Nature For Over 500 Years, Wildfires And Habitat Loss Are Killing Jaguars In The Amazon Rainforest, In India's Sundarbans: Where People Live Face-To-Face With Wild Tigers, Africa's "Thunderbird" Is At Risk Of Extinction. concordant and discordant coastlines bbc bitesize What is the impact of humans on the temperate deciduous woodland? Add in the missing words. They have a low gradient, typically under one meter in height. Have all your study materials in one place. 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. Fjords are created when glaciers cut through valleys and are submerged. Even London is built along the River Thames, which flows into the North Sea. 2. (For example the south or the Dorset coast) . Discordant coastline - Source www.bbc.co.uk As soft rock, such as glacial till, is more susceptible to erosion it erodes more rapidly than more resistant rock such as chalk. The results are deep, lengthy, thin inlets surrounded by high cliff faces. The differing resistance to erosion leads to the formation of headlands and bays. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. Type # 1. 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 . Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). What are the economic and environmental issues of energy production? 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. Both concordant and discordant. Wrong! The Earth has around 620,000 kilometres (390,000 mi) of coastline. a headland separated by two bays. Concordant coastlines tend to have fewer bays and headlands. As we mentioned earlier, this tends to shift the coastline further inland. Correct! 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. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Coastal landforms - erosion and deposition - BBC Bitesize The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. 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. You know your landforms of coastal erosion. The outer layers of the coastline, those directly on the waterline, are Portland and Purbeck limestone, and they have been eroded away over many years. Reasons for Protecting Dawlish Warren: 1. A submergent coastline is a coastline that has submerged below the water. Create and find flashcards in record time. Sandridge formed bars across some bays and river mouths, with trapped river water forming a lagoon behind (callled haffs in Poland on the Baltic Sea). Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. Concordant and Discordant Coastlines by Leia Daniels - Prezi Gone surfing? 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. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. The differing resistance to erosion leads to the formation of headlands and bays. 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, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email a link to a friend (Opens in new window), Click to share on WhatsApp (Opens in new window), Internet Geography Plus Terms and Conditions. (8) Coasts - Grade Booster Geog' Clips 2B.2B Their Morphology - A-LEVEL GEOGRAPHY REVISION: EDEXCEL Use the images below to explore related quizzes. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. 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). How can we increase the amount of food produced globally? 2: Durlston headland and bay (https://en.wikipedia.org/wiki/File:Durlston_bay_from_durlston_castle.jpg) by Jim Champion (https://commons.wikimedia.org/wiki/User:JimChampion) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en), Fig. Water quality and pollution management in the UK. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Paisajes. Free and expert-verified textbook solutions. Touch device users . What are the air masses that affect the UK? 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. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. A concordant coastline is an arrangement of rock strata along the coastline. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Select all that apply. Waves are the main reason for coastal change. What percent of the global population lives within 100km of a coastline? Beach Headland Blowhole Wave cut platform 9. The process of erosion can create different landforms along the coastline. Ripples are created; these ripples will become waves if the wind is sustained. A concordant coastline has the same type of rock along its. Discordant. 3. 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 ). As erosion processes take place, the clay erodes away quicker than the. 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. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. 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. There are four major types of coastlines: emergent, submergent, discordant, and concordant. How has rainforest vegetation adapted to the climate? Importance of the Delta for the region. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. concordant and discordant coastlines bbc bitesize In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. BBC Bitesize. The part of the wave in the deeper water moves forward faster causing the wave to bend. 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. Fetch length along with the wind speed (or strength) determines the size of waves produced. Click To Play 1. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. 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. Destructive waves are usually very high, over 1m. What is a discordant coastline? 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 . How does food insecurity affect the environment? Straight coastline now formed by a concordant band of constant chalk. Where are polar and tundra environments located? 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. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. If you've been to the beach, you've been to a coastline! Erosion worsens as the waves becomes stronger. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. True or False: As sea levels rise, coastlines are likely to expand. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. A unique coastline within the UK is Lulworth Cove in Dorset. 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 significance of food, water and energy, An overview of global inequalities in the supply and consumption of resources, Carbon footprints, food miles and moves towards local sourcing of food. Wrong! The site is self-funded and your support is really appreciated. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. PSYCHIC TWINS . What is the value of the tropical rainforest? What are the physical characteristics of cold environments? The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. There are 3 main groups of coastal features which result from coastal erosion: 1. What is the role of transnational companies in Nigeria? Erosion worsens as the waves becomes stronger. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Caves occur when waves force their way into cracks in the cliff face. Faulting is the fracturing of rock with movement from its original position. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. The coast is the border between the land and the sea. Can the risks of volcanic eruptions be reduced? It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. Landform change - the Dorset coastline - BBC Bitesize Extended writing tasks 2 a half term. What is the site and situation of a settlement? concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Coastal Geology. Dorset coastline - Coastal landforms - AQA - BBC Bitesize Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Discordant These are where rock strata or structures are aligned at an angle to the coastline. How does geology affect the formation of river landforms? If you have, then you've been to a coast and walked along a coastline. in height. Discordant and concordant coasts in Dorset. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. Paw Patrol Does Ryder Have A Crush On Katie, It's a way of having all my information in one place. concordant and discordant coastlines bbc bitesize There are two special types of submerged coastlines: ria coasts and fjord coasts. 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. 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 Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. how to change text duration on reels. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. The United Nations uses coastlines to help determine international boundaries at sea. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. 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. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. As a result, it does not travel far up it. How has urbanisation helped Nigeria to develop? Limestone Case Study Malham, The Yorkshire Dales. Swam in the ocean? Landforms in the middle course of a river. Coastal Erosion - Geography AS Economic losses to businesses if areas become unattractive and depopulated. But, let's be honest, it's not brilliant. The sea attacks a weakness in the base of the cliff. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Start studying BBC Geography Bitesize: Coastal Processes. Summer 2 Emerging economies: Asia Studying the emergence of economies in Asia known A concordant coastline is an arrangement of rock strata along the coastline. Discordant and Concordant Coastlines GCSE Geography A Level - YouTube Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. South Dorset Coast 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 . A coastline is anywhere where the land meets the water. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. 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 . A concordant coastline comprises bands of different rock types that run parallel to the shore. 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 . Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. concordant and discordant coastlines bbc bitesize. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Erosion. 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. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. Waves move up and down there is no horizontal movement. This belongs to: _____. 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. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Concordant coastline Uncordant coastline Variable coastline 8. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. B Gradually the . It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. Add in the missing words. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. Discordant coastline - Source www.bbc.co.uk As soft rock, such as glacial till, is more susceptible to erosion it erodes more rapidly than more resistant rock such as chalk. discordant coastline diagram. The differing resistance to erosion leads to the formation of headlands and bays. . Their wavelength is long and a low frequency (8-10 waves per minute). True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. What is the impact of humans on the Taiga? They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. 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). The coastline determines everything. Coastlines will expand as climate change continues. Concordant coastline 2. Concordant. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. We use cookies to ensure that we give you the best experience on our website. The differing resistance to erosion leads to the formation of headlands and bays. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Coastal Erosion Landforms Quiz - Internet Geography There are rias throughout the world, including Poole Harbour in Dorset. How reliable are economic indicators of development? Chesil Beach in Dorset was formed this way. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Landscapes. Explore. They are more common in winterthan in the summer. Where the rock outcrops run parallel to the sea. Which of the following is NOT typically found in a coastal ecosystem? Jaden Agassi Mlb Draft 2021, Originally a band of resistant Portland . Coastal Processes | Summary & Types | GCSE Geography Revision Notes These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Many of our major cities have developed along oceanic coasts as well: think of New York City, Tokyo, Istanbul, Dubai, Hong Kong, and Copenhagen, just to name a few! This happened over about 1000 years, (very rapid) and submerged coastlines. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. . Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. 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). As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. chalk) . It has the unenviable reputation as the number one place in Europe for coastal erosion, and in a stormy year waves from the North sea can remove between 7 and 10m of coastline. Originally a band of resistant Portland . [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. This means that these waves transport beach material back into the sea, lowering the height of a beach. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. How Is Climate Change Impacting The Water Cycle. Coasts can be classified in a variety of . Which of the following are major types of coastlines? When the auto-complete results are available, use the up and down arrows to review and Enter to select. There are four processes involved in the eroding coastlines. Insert links to other pages or uploaded files. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. If the direction of the classification is not the same . The rock strata are almost vertical, and the bands of rock are quite narrow. How are Nigerias trading and political relationships changing? This quiz focusses in particular on those features which are caused by coastal erosion. pg. 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. Concordant coastlines tend to have fewer bays and headlands. The three major coastal processes include erosion, transportation and deposition. The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. 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. How has the growth of Lagos caused inequality? The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. Caves occur when waves force their way into cracks in the cliff face. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways.