How has the growth of Lagos caused inequality? International migration from Syria to Europe, Japan A country with a high dependent population. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. Where the rock outcrops run parallel to the sea. Use the images below to explore related quizzes. What is chemical and mechanical weathering? More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Try Dokkio Sidebar for free. A concordant coastline produced by the geological structure of folds parallel to the coast. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Stacks, headlands, bays, cliffs and wave-cut platforms are all included. It has a discordant coastline along the east and concordant coastline along the south. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. Corrosion is also known as solution. However, structure is not the only factor influencing the indentation of Swanage Bay, since Swanage bay faces east, and is sheltered from the prevailing south westerly wind and highest energy waves. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. The sea attacks a weakness in the base of the cliff. Taking the low-water line along the coast (or, the baseline), UNCLAS put forth the following: Special exceptions apply to areas like straits, where ships can't help but pass through territorial waters. B Gradually the . 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. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Fig. Changing rates of rainforest deforestation. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. What percent of the global population lives within 100km of a coastline? More resistant strata erode only slowly, and are left projecting into the sea as headlands. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. The Jurassic Coast begins at Orcombe . There are 3 main groups of coastal features which result from coastal erosion: 1. What is the impact of humans on the Taiga? Select all that apply. Find out more about concordant coastlines. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. 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. 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. Pebble sized particles are bounced along the river bed/sea by the force of the water. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The discordant coastline runs from The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Now you can find what you're looking for wherever it lives. It can be reached at low tide by walking from the mainland. Risks facing the Delta. Under 5's Football Coaching Drills, Specifically looking at the differences between concordant and discordant coastlines. PSYCHIC TWINS . Discordant coastline . Waves interact with land through three major marine processes: erosion, transportation, and deposition. Even London is built along the River Thames, which flows into the North Sea. The sea has broken through this barrier and easily eroded the clays behind it. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Today. Upload unlimited documents and save them online. Jamaica Case Study, How can the growth of tourism reduce the development gap? concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Paisajes. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . What factors influence the effects and response to tectonic activity? Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. The Earth has approximately 620,000 kilometres (390,000mi) of coastlines and they are not just a barrier between land and water; they are also important natural ecosystems. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. 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. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. The relative resistance of rock types influences the degree of indentation of bays. lulworth cove concordant coastline. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. Set individual study goals and earn points reaching them. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. What are shanty town improvement schemes? It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. Where are Temperate Deciduous Woodlands Located? May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. How did the temperate deciduous woodland get like this? This belongs to: _____. What are the social and economic opportunities associated with the growth of Rio? Case studies Dorset Jurassic coast and Holderness. How do weather and climate affect river landscapes? concordant coastlines. Along the coastline of Dorset, there are concordant and discordant coastlines. What is a discordant coastline? 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. A chalk cliff face is at the back of the cove. Take a look at our resources under Topics in the menu at the top of the page. Use the resources provided to write notes that Wave Refraction and Coastal Defences. This belongs to: _____. What are active, dormant and extinct volcanoes? Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Along the coastline of Dorset, there are concordant and discordant coastlines. It is only when the water enters shallower areas that the water itself moves forward. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. Ways destructive waves destroy the coastline . The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. 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 . Reasons for Protecting Dawlish Warren: 1. Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. The following are facts about destructive waves. What are the economic and environmental issues of energy production? If you've found the resources on this site useful please consider making a secure donation via PayPal to support the development of the site. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. 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). Type # 1. coastlines. The angle these bands make with the coastline makes it either a concordant or discordant coastline. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. 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. chalk) . Stop procrastinating with our study reminders. Deformation is the degree of tilting of folding ofrock. 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. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. 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. Concordant. The following are facts about constructive waves. Less resistant rocks are eroded more than the resistant . What are the air masses that affect the UK? 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. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. pptx, 1.58 MB. The Jurassic Coast begins at Orcombe . 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. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. For example, this could be a joint in chalk. Have you ever gone for a stroll on a beach? Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Or built a sand castle next to the waves? Numerous plants and animals have adapted to live along coastlines. If you've been to the beach, you've been to a coastline! A wave-cut notch is created by erosional processes such . Learn vocabulary, terms, and more with flashcards, games, and other study tools. 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. . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. How can we increase the amount of food produced globally? There are rias throughout the world, including Poole Harbour in Dorset. Pinterest. These form where deposition produces unconsolidated geological structures parallel to the coastline. . Erosion Sea forces change coastal landscapes with the wind being the major source of waves. Economic losses to businesses if areas become unattractive and depopulated. These act as agents of erosion because their backwashis greater than their swah. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. Headlands and bays can form on concordant coastlines too, as has happened . This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. 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. Over time the sea can wash away an entire coastline, forcing back human uses of that land (such as settlements or farms) and letting the sea . What is a concordant coastline? Links to wider reading and an introductory video. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. These coastlines may lead to the formation of either Dalmatia landforms or Haffs (also called lagoons). Concordant Coasts . PBworks / Help A concordant coastline is an arrangement of rock strata along the coastline. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Concordant and discordant coastlines. What does scenery formed by erosion look like? This quiz focusses in particular on those features which are caused by coastal erosion. 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. In some cases it is estimated that there was a rise . Where are polar and tundra environments located? Correct! Sediment Cells. This happened over about 1000 years, (very rapid) and submerged coastlines. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. One of the topics looked at in GCSE Geography is the features that are found on a coastline. 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 Adapted from BBC. A ria coast hosts multiple rias. Concordant and discordant coasts . The differing resistance to erosion leads to the formation of headlands and bays. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. The first difference between concordant and discordant coastlines is that the concordant coastlines are composed of similar rock types whereas, in the case of discordant coastlines, the rocks are of different kinds. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. While not every UN member has ratified UNCLAS, most nations abide by it anyway. Click To Play 1. 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. Geology. Touch device users . How does flooding affect humans and the environment? 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. Historic records indicate that over 250 m of land were lost between 1600 and 1850. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Both concordant and discordant. 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. 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). Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Chesil Beach in Dorset was formed this way. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Lulworth Cove has occurred on a concordant coastline. When a stretch of coastline is formed from different types of rock, headlands and bays can form. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. A submergent coastline is a coastline that has submerged below the water. This results in the formation of headlands and bays. Lulworth . Coasts can be classified in a variety of . Because the waves are so frequent, the backwash has less time to soak into the sand. A concordant coastline is an arrangement of rock strata along the coastline. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. 8. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. Headlands and bays Cliffs along the coastline do not erode at the same pace. Coastal Geology. What is the highest point of a wave called? A discordant coastline occurs where bands of different rock type run perpendicular to the coast. What is the location and importance of Mumbai? Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Test your knowledge with gamified quizzes. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Terms of use / Privacy policy / GDPR, About this workspace The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. The length of perimeter approx 2km. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. The geology of the Isle is complex. Erosion worsens as the waves becomes stronger. Bull's Head in St Oswald's Bay. 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. Consequently headlands . 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. 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 . 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 - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. 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. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. Originally a band of resistant Portland . concordant and discordant coastlines bbc bitesize Call us (+254) 722 22 99 44 Email polucon@polucon.com Our Laboratories Nairobi & Mombasa washington sports club glover park Home Services concordant and discordant coastlines bbc bitesize Micro-Biology Services Agri - Services Instrumentation Division Environment Division Petroleum Division Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. You need to do some work on landforms of coastal erosion. over 1m. The concordant coast may take one of two landform types. Concordant coastline. The bands of soft rock, such as sand . A concordant coastline diminated by limestone in the map has the same type of rock along its length. Concordant. This differential erosion creates headlands and bays along discordant coastlines. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Paymaya Annual Report, Free and expert-verified textbook solutions. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Long offshore islands and coastal inlets are running parallel to the coastline. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. The three major coastal processes include erosion, transportation and deposition. What factors affect population density and distribution? A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. GCSE 9-1 Coasts: Erosional Landforms Bundle. Sediment Cells. The geology of the Isle is complex. 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. We use cookies to ensure that we give you the best experience on our website. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Correct! Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. If you have, then you've been to a coast and walked along a coastline. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Fetch length along with the wind speed (or strength) determines the size of waves produced. Coasts Revision Booklet. Geology is the study of the types of rocks that make up the Earth's crust. 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. Which type of underlying geology is most likely to be formed into straight cliffs? As a wave undercuts a cliff the cliff retreats. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. Subsequently there was an increase in the waters of the oceans and the sea level rose appreciably. 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. Rocks outcrop at right angles to the sea, forming headlands and bays. The coastline determines everything. 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. Over 10 million students from across the world are already learning smarter. Quick revise. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. It varies enormously from tropical looking Luskentyre in the Outer Hebrides, to the jagged coasts of Cornwall, from the low lying muddy estuarine coast of the Wash, to broad sandy beach and dunes at Bamburgh in Northumberland. Correct! She is cooler than I am and has a life instead of enough time to make this. 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. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. Fig. Concordant coastline 2. Label two landforms shown in the photograph (2) Coasts - Grade Booster. A concordant coastline. Specifically looking at the differences between concordant and discordant coastlines. How have animals adapted to cold environments? During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height.

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