The concordant coastline runs from west to east along the south coast. Pinterest. They are most common where fetchis short. What are shanty town improvement schemes? Coastlines will expand as climate change continues. 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. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. It has a variety of other micro-features and a unique geology. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. What are Mumbais social and economic opportunities? coastlines. 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. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. About 40% of the global population lives within 100km of a coastline. Which of the following are major types of coastlines? Have you ever gone for a stroll on a beach? Give the quiz another go and don't forget to read up on this area by heading over to our coasts resources using the topics link at the top of the page. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. 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. Concordant and discordant coasts . The sea has broken through this barrier and easily eroded the clays behind it. https://commons.wikimedia.org/wiki/File:Lulworth.png. . What are the environmental impacts of economic development in Nigeria? Introduction to the location of the Delta. The updated BBC Bitesize website has a great video on . Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. The coastal environment of the world is made up of a wide variety of landforms manifested in a spectrum of sizes and shapes ranging from gently sloping beaches to high cliffs, yet coastal landforms are best considered in two broad . Adapted from BBC. As the wave approaches the coast, it gains height and drops onto a steep beach. 2. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. 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). The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). 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 concordant coast may take one of two landform types. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. 3. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Both concordant and discordant. The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. How do changes affect the balance of an ecosystem? Discordant. Extended writing tasks 2 a half term. . 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. Explain the process of longshore drift (3) Coasts - Grade Booster. 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. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. Why is the weather of the UK so changeable? . Headlands and bays can form on concordant coastlines too, as has happened . The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. A joint is a fracture of rock without movement from the original position, e.g. 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 coastline 2. Key Question: What are the different landforms of the Jurassic Coast? The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. The water. As a result, it does not travel far up it. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Rocks outcrop at right angles to the sea, forming headlands and bays. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . 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. Paw Patrol Does Ryder Have A Crush On Katie, 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. Emergent coastlines happen when either the water level has fallen or the land has risen. The low-energy wave spills into the bays as . Concordant coastlines tend to have fewer bays and headlands. 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. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. What is the site and situation of a settlement? Strata are different layers (or beds) of rock. What are the three processes that shape the coastline? The following are facts about destructive waves. A concordant coastline is where the same rock runs along the length of the coast. 3.1B Transport Technology and Globalisation, 3.2 Political and Economic Decision Making, 7C Economic Development and Environmental Impact, 8B Controlling the Spread of Globlisation, 4A.1B Economic Activity and Social Factors, 4A.1A Changing Function and Characteristics, 4A.6 Evaluating the need for Regeneration, 6C Representation and Need for Regeneration, 10A Measuring the Success of Regeneration, 12A Restructuring and Contested Decisions, 7.5 Superpowers and International Decision Making, 7.6 Superpowers and the Physical Environment, 7.6C Middle-Class Consumption on Emerging Powers, 7.8A Emerging Powers and the Developing World, 8.2 Variations in Health and Life Expectancy, 8.3A The relationship between economic and social development, 8.5A Human Rights Vs Economic Development, 8.8 the Positive and Negative of Development, 2B.2C Geological Structure and Cliff Profiles, 2B.3B Rock Strata and Complex Cliff Profiles, 4C Coastal Landscapes Produced by Erosion, 8C Temporal Variations in Coastal Recession, 9A Local Factors that Increase Coastal Flood Risk, A - Economic and Social Losses from Recession, 2B: 12 Integrated Coastal Zone Management, 1B Importance and Size of Stores and Fluxes, 5.4 Deficits within the Hydrological Cycle, 5.8 Consequences and Risks of Water Insecurity, 8A - Causes and Pattern of Physical and Economic Scarcity, 5.9C Integrated Drainage Basin Management, 6.1C - Geological Processes Releasing Carbon, 6.2 Biological Processes Sequestering Carbon, 6.3 Human Activity Altering the Carbon Cycle, 6.6C Radical Technologies to Reduce Carbon Emissions, 6.7 Human Activity Threatening the Carbon and Water Cycles. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Coasts are shaped by the processes of erosion, transportation and deposition. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. starter: Students examine the picture and discuss what is happening to the houses and why. Teacher. True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . The longer the fetch length and the faster the wind speed, the . Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. . How is demand for energy changing in the UK? The site is self-funded and your support is really appreciated. Shake Hands With Beef Girl, Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). How has rainforest vegetation adapted to the climate? This belongs to: _____. What is the structure of the Temperate Deciduous Woodland? The cove is located in a South West England County known as Dorset that is found along the English Channel. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. pptx, 1.58 MB. How can we increase the amount of food produced globally? This belongs to: _____. As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. We use cookies to ensure that we give you the best experience on our website. A unique coastline within the UK is Lulworth Cove in Dorset. Not surprisingly, destructive waves destroy beaches. Numerous plants and animals have adapted to live along coastlines. Re-rerouting a two lane road can cost between 150,000 and 250,000 per 100 m. The collapse of the section of coast supporting the South Devon Main Line Railway in February 2014 cost 35 million to repair, and businesses in the South West lost 60 million. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. The rock strata are almost vertical, and the bands of rock are quite narrow. You know your landforms of coastal erosion. This means that these waves transport beach material back into the sea, lowering the height of a beach. Irrespective of whether the coastline is concordant or discordant, as wave refraction takes place around the headlands and erosion of the bay is reduced, sub-aerial weathering such as corrosion and corrasion begins to . Safe access points to the shoreline at several points around the edge. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. If you continue to use this site we will assume that you are happy with it. Why is there a trend towards agribusiness? It has a discordant coastline along the east and concordant coastline along the south. (For example the south or the Dorset coast) . How have animals adapted to cold environments? 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. Because the soft rock is exposed, it is eroded faster than the hard rock. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . BBC Bitesize. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. pptx, 1.58 MB. Discordant coastline . How did the temperate deciduous woodland get like this? They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. The bands of soft rock, such as sand . Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. 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. Over time, waves beating against the shore will wear it down (or erode it). Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. The UK's coastline is 31,368 km long (if you include all the main islands). A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. Coasts can be classified in a variety of . What are the social and economic opportunities associated with the growth of Rio? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Today. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. A concordant coastline can take one of the following two landform types: An example of a concordant coastline is Lulworth Cove, again, in Dorset, UK (figure 3). This belongs to: _____. What challenges are associated with the growth of Rio? More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. Paisajes. 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. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Lulworth . There are four major types of coastlines: emergent, submergent, discordant, and concordant. Sea forces change coastal landscapes with the wind being the major source of waves. The River Tees landforms of erosion and deposition, Case Study Ganges/Brahmaputra River Basin, Geological time is on a different time to human time, Different rocks create contrasting landforms and landscapes. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. The coastline determines everything. What problems are caused by global warming? The following are facts about constructive waves. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Economic opportunities and challenges in Lagos. The coast is the border between the land and the sea. Destructive waves are usually very high, over 1m. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. 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 . A concordant coastline occurs where the bands of differing rock types run parallel 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, 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. Geological structure is the characteristics and arrangement of rock units. How is urban planning improving the quality of life for the urban poor in Mumbai? It's a way of having all my information in one place. What is the impact of humans on the Taiga? A wave-cut notch is created by erosional processes such . Hydraulic action, attrition, abrasion, and corrosion. Concordant coastlines tend to have fewer bays . A concordant coastline produced by the geological structure of folds parallel to the coast. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. lulworth cove concordant coastline. Concordant and discordant coastlines. It has a discordant coastline along the east and concordant coastline along the south. GCSE 9-1 Coasts: Erosional Landforms Bundle. This results in the formation of headlands and bays. The coast is very young due to recent ice ages and resulting sea level change. A concordant coastline produced by the geological structure of folds parallel to the coast. Everything you need for your studies in one place. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. These Dalmatian types normally occur . It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. 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. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. . What are they? Or built a sand castle next to the waves? Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. 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. The differing resistance to erosion leads to the formation of headlands and bays. Waves interact with land through three major marine processes: erosion, transportation, and deposition. Specifically looking at the differences between concordant and discordant coastlines. The concordant coastline runs from west to east along the south coast. During the Devensian Glacial eustatic changes lowered sea levels by 120 m. At the start of the Holocene Interglacial (10,000 years BP) led to a rapid 100 m eustatic rise in global sea levels, as 3,000 years of ice sheets and glaciers shrank. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. 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. While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. Emergent Coastlines. Ways destructive waves destroy the coastline . Along the coastline of Dorset, there are concordant and discordant coastlines. material at the coast and in a river. 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. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. (bands) of hard rock and soft rock; many bays and headlands. starter: Students examine the picture and discuss what is happening to the houses and why. The Jurassic Coast begins at Orcombe . However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Straight coastline now formed by a concordant band of constant chalk. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. Start studying BBC Geography Bitesize: Coastal Processes. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. How are Nigerias trading and political relationships changing? 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. The part of the wave in the deeper water moves forward faster causing the wave to bend. 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.
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