concordant and discordant coastlines bbc bitesizehow did bryan cranston lose his fingers
A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. These act as agents of erosion because their backwashis greater than their swah. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. The part of the wave in the deeper water moves forward faster causing the wave to bend. Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Long spits of sands run parallel to the low coast, enclosing the coast. Coastal Geology. As a result, it does not travel far up it. The differing resistance to erosion leads to the formation of headlands and bays. Paw Patrol Does Ryder Have A Crush On Katie, How has the growth of Lagos caused inequality? A coastline with the same type of rock along its length; fewer bays and headlands . The Earth has around 620,000 kilometres (390,000 mi) of coastline. Share 5.1K views 2 years ago This video explains the difference between a concordant and discordant coastline, including the coastal landforms that occur along each and the geological. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. 1. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. coastlines. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. 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. What are the impacts of industry on the physical environment? The three marine processes that shape the coastline are erosion, transportation, and deposition. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Practice Questions: Slideshow 2773107 by chanel Coasts Revision Booklet. Nie wieder prokastinieren mit unseren Lernerinnerungen. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Adapted from BBC. What are the causes of deforestation in the Amazon? 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. In some cases it is estimated that there was a rise . How can the impacts of climate change be managed? Take a look at our resources under Topics in the menu at the top of the page. Teacher. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. Landscapes. These will be exam question style ranging from 4, 6 and 9 mark questions. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Add in the missing words. Concordant coastlines tend to have fewer bays . Originally a band of resistant Portland . Image. These form where deposition produces unconsolidated geological structures parallel to the coastline. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. The coast is the border between the land and the sea. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. International migration from Syria to Europe, Japan A country with a high dependent population. Create the most beautiful study materials using our templates. They have a mainly circular orbit, a .. gradient. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Fjords are created when glaciers cut through valleys and are submerged. What does scenery formed by erosion look like? Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. Headlands and bays can form on concordant coastlines too, as has happened . This results in the formation of headlands and bays. There are two special types of submerged coastlines: ria coasts and fjord coasts. 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. The angle these bands make with the coastline makes it either a concordant or discordant coastline. A concordant coastline produced by the geological structure of folds parallel to the coast. Soft rocks like mudstone and siltstone A unique coastline within the UK is Lulworth Cove in Dorset. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. These are coastlines where the bands of rock run perpendicular to the coastline meaning . 0. lulworth cove concordant coastline. Destructive waves are usually very high, over 1m. 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. Fig. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Bay and headland - Durdle Door, Dorset. A submergent coastline is a coastline that has submerged below the water. Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. Why are deserts located along the tropics? Safe access points to the shoreline at several points around the edge. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . What problems are caused by global warming? A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . A concordant coastline has the same type of rock. guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. The process of erosion can create different landforms along the coastline. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. 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. https://commons.wikimedia.org/wiki/File:Lulworth.png. The relative resistance of rock types influences the degree of indentation of bays. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. How does food insecurity affect the environment? Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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 (OCR). a headland separated by two bays. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. Concordant and discordant coasts . lulworth cove concordant coastline. While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . 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. Find out more about concordant coastlines. it gained popularity because it preserved beach resources and avoided the negative effects of hard structures.Instead, nourishment creates a "soft" (i.e., non-permanent) structure by creating a larger sand reservoir, pushing the shoreline seaward. Concordant coastlines tend to have fewer bays and headlands. It has a discordant coastline along the east and concordant coastline along the south. Everything you need for your studies in one place. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Start studying BBC Geography Bitesize: Coastal Processes. The site is self-funded and your support is really appreciated. What is the location and importance of Rio de Janeiro? What is the structure of the tropical rainforest? formed by the erosion of less resistant Wealden Clays. For example, this could be a joint in chalk. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Stop procrastinating with our smart planner features. This is considered sovereign national territory, the same as boundaries on land. What are the different types of weathering? than in summer. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). As our Earth warms, glaciers melt, causing the sea level to rise. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . A joint is a fracture of rock without movement from the original position, e.g. There are four processes involved in the eroding coastlines. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Awesome, well done! Concordant coastlines tend to have fewer bays and headlands. The three major coastal processes include erosion, transportation and deposition. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Concordant coastlines tend to have fewer bays . The net result is that the sediment gets smaller and smaller over time. Either way, there is now a (bit of) coastline that is no longer submerged under water. . Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . What is chemical and mechanical weathering? Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. These are where rock strata or structures are aligned at an angle to the coastline. The discordant coastline runs from $14 million dollar house maine; Where are the areas of water deficit and surplus in the UK? The processes have been operating over the last 8000 years. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. What factors affect population density and distribution? Reasons for Protecting Dawlish Warren: 1. She is cooler than I am and has a life instead of enough time to make this. 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. starter: Students examine the picture and discuss what is happening to the houses and why. Headlands and Bays 2. Discordant These are where rock strata or structures are aligned at an angle to the coastline. About 40% of the global population lives within 100km of a coastline. Discordant coastlines have bands of different rock types running perpendicular to the coast; concordant coastlines have bands of similar rock types running parallel to the coast. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. 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). Click To Play 1. . There are 3 main groups of coastal features which result from coastal erosion: 1. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Human actions and Physical factors affecting the Delta. A concordant coastline comprises bands of different rock types that run parallel to the shore. Spanning 243 kilometers along Australia's southeastern coast from Torquay to Allansford, the Great Ocean Road is one of the world's most scenic coastal routes. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. This is called a discordant coastline. Along the coastline of Dorset, there are concordant and discordant coastlines. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Stop procrastinating with our study reminders. This differential erosion creates headlands and bays along discordant coastlines. At points where the Portland is weaker, erosion hasbroken through and then rapidly eroded out the softer strata laterally, creating a series of coves, e.g. Where the rock outcrops run parallel to the sea. Coasts Revision Booklet. As a result of the coastal feature, the depth of water around a coast varies. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. The UK's coastline is 31,368 km long (if you include all the main islands). What are the effects of economic development in Nigeria on quality of life? Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Which of the following are associated with discordant coastlines? Historic records indicate that over 250 m of land were lost between 1600 and 1850. PBworks / Help Concordant. Specifically looking at the differences between concordant and discordant coastlines. Corrosion is also known as solution. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. Where are polar and tundra environments located? The fetch, often called the fetch length, is the length of water over which a given wind has blown. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. (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. 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. The relatively gentle profile of the beach with a steep ridge at the top of the beach means that the backwash soaks into the sand or slowly drains away. Correct! Now you can find what you're looking for wherever it lives. Aqa. Discordant These are where rock strata or structures are aligned at an angle to the coastline. How far out to territorial waters extend from the coast (or baseline)? The differing resistance to erosion leads to the formation of headlands and bays. Lulworth . 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 The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . What are the three processes that shape the coastline? how to change text duration on reels. Consequently headlands . The concordant coastline runs from west to east along the south coast. Beach Headland Blowhole Wave cut platform 9. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. Headlands and bays can form on concordant coastlines too, as has happened . Wrong! Sign up to highlight and take notes. . Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. The concordant coastline runs from west to east along the south coast. A concordant coastline produced by the geological structure of folds parallel to the coast. A concordant coastline is where the same rock runs along the length of the coast. Joints,Dips and Faults in terms of rocks. Fig. Lulworth Cove is a classic example of a 'concordant coast' - i.e. 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. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. The United Nations uses coastlines to help determine international boundaries at sea. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. The Jurassic Coast begins at Orcombe . Headlands and bays Cliffs along the coastline do not erode at the same pace. What feature is left behind as the cliff retreats? The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. Some concordant coasts have long, narrow islands running parallel to the coastline. 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 . These Dalmatian types normally occur . Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. What is the structure of the Temperate Deciduous Woodland? Gone surfing? There are four major types of coastlines: emergent, submergent, discordant, and concordant. over 1m. The differing resistance to erosion leads to the formation of headlands and bays. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Swam in the ocean? Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. -Erode the coast-Short wave length, high and steep. Explain the process of longshore drift (3) Coasts - Grade Booster. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Many emergent coastlines have existed since the glacial phases of the Pleistocene Epoch, which lasted from about 2,580,000 and 11,700 years ago because the sea levels were much lower than they are today. Correct! Fetch length along with the wind speed (or strength) determines the size of waves produced. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. B Gradually the . Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England.
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concordant and discordant coastlines bbc bitesize