concordant and discordant coastlines bbc bitesize

Tunisia Case Study. 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. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. Free and expert-verified textbook solutions. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Less resistant rocks are eroded more than the resistant . Links to wider reading and an introductory video. Specification and other support materials for teachers, including delivery guides Explore. Introduction to the location of the Delta. 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 . Protection of cold environments as wilderness areas. They are more common in . A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Bays and headlands are common features along discordant coastlines. Correct! 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). 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. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. Best study tips and tricks for your exams. Waves move up and down there is no horizontal movement. BBC Bitesize. Erosion worsens as the waves becomes stronger. Published by at February 16, 2022. pg. 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). Sediment Cells. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Discordant and concordant coasts in Dorset. Discordant coastline . The Earth has around 620,000 kilometres (390,000 mi) of coastline. Landscapes. 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. Wave Refraction and Coastal Defences. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. For example, this could be a joint in chalk. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. Within geography, the definition of a coastline is the area where land meets water. The sea has broken through this barrier and easily eroded the clays behind it. What are the effects of economic development in Nigeria on quality of life? Over time, waves beating against the shore will wear it down (or erode it). Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Create your own unique website with customizable templates. in height. Concordant and discordant coasts . 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. Its 100% free. Both concordant and discordant. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. This quiz focusses in particular on those features which are caused by coastal erosion. Economic opportunities and challenges in Lagos. A coastline is an area where land meets the water. The differing resistance to erosion leads to the formation of headlands and bays. (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. What is Nigerias location and importance? Whenever you search in PBworks, Dokkio Sidebar (from the makers of PBworks) will run the same search in your Drive, Dropbox, OneDrive, Gmail, and Slack. Soft rocks like mudstone and siltstone Concordant and discordant coastlines. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. . How does flooding affect humans and the environment? PSYCHIC TWINS . Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. The longer the fetch length and the faster the wind speed, the . In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. While not every UN member has ratified UNCLAS, most nations abide by it anyway. This belongs to: _____. Use the resources provided to write notes that Wave Refraction and Coastal Defences. There are four major types of coastlines: emergent, submergent, discordant, and concordant. docx, 24.88 KB. 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. The three major coastal processes include erosion, transportation and deposition. Shingle ridge reconnected island of Portland Bill to land (a tombolo). 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. Where are the areas of water deficit and surplus in the UK? The net result is that the sediment gets smaller and smaller over time. The geology of the Isle is complex. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. concordant and discordant coastlines bbc bitesize. Hilbre Island (Cheshire) is an example of a possible fieldwork location. than in summer. concordant coastlines. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. 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 . 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. Concordant coastlines tend to have fewer bays and headlands. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. A unique coastline within the UK is Lulworth Cove in Dorset. pptx, 1.58 MB. how to change text duration on reels. In some cases it is estimated that there was a rise . 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. A concordant coastline is an arrangement of rock strata along the coastline. What is the impact of humans on the Taiga? 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. (bands) of hard rock and soft rock; many bays and headlands. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. It has a variety of other micro-features and a unique geology. 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 ). Safe access points to the shoreline at several points around the edge. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. Why is there a trend towards agribusiness? How reliable are economic indicators of development? Hydraulic action, attrition, abrasion, and corrosion. Less resistant rocks are eroded more than the resistant . Specifically looking at the differences between concordant and discordant coastlines. As the wave breaks, it carries material up the beach in its swash. 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 . How do weather and climate affect river landscapes? . Create beautiful notes faster than ever before. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. As erosion processes take place, the clay erodes away quicker than the. Shake Hands With Beef Girl, How can the impacts of climate change be managed? Click To Play 1. 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. GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. 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 . Where are Temperate Deciduous Woodlands Located? 1. It has a variety of other micro-features and a unique geology. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. You know your landforms of coastal erosion. 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 . Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Geology. Okay, now we know what coastlines are. If you've been to the beach, you've been to a coastline! The angle these bands make with the coastline makes it either a concordant or discordant coastline. How does geology affect the formation of river landforms? As the wave approaches the coast, it gains height and drops onto a steep beach. (bands) of hard rock and soft rock; many bays and headlands. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Paisajes. For example, both X and Y rate item 1 higher than item 2. Fetch length along with the wind speed (or strength) determines the size of waves produced. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. A concordant coastline comprises bands of different rock types that run parallel to the shore. What factors affect population density and distribution? What is the location and importance of Rio de Janeiro? An explanation of the formation of the cove can be found on the right. This. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. Try Dokkio Sidebar for free. A concordant coastline diminated by limestone in the map has the same type of rock along its length. 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. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Erosion. Upload unlimited documents and save them online. Faulting is the fracturing of rock with movement from its original position. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. The differing resistance to erosion leads to the formation of headlands and bays. If you have, then you've been to a coast and walked along a coastline. What is the difference between a tornado and a hurricane? Why is the weather of the UK so changeable? Consequently headlands . 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). If you continue to use this site we will assume that you are happy with it. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. lulworth cove concordant coastline. How does food insecurity affect the environment? discordant coastline diagram. The concordant coastline runs from west to east along the south coast. The warmer climate that followed melted much of the ice. How Is Climate Change Impacting The Water Cycle. There are rias throughout the world, including Poole Harbour in Dorset. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. The sea attacks a weakness in the base of the cliff. Wrong! Fig. Case studies Dorset Jurassic coast and Holderness. What is the location and importance of Mumbai? Lulworth Cove has occurred on a concordant coastline. 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. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. The process of erosion can create different landforms along the coastline. Because the soft rock is exposed, it is eroded faster than the hard rock. A concordant coastline has the same type of rock. Headlands and bays can form on concordant coastlines too, as has happened . The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. Originally a band of resistant Portland . The coast is the border between the land and the sea. The water. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. This is considered sovereign national territory, the same as boundaries on land. 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! Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Stacks, headlands, bays, cliffs and wave-cut platforms are all included. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Safe access points to the shoreline at several points around the edge. How has the growth of Lagos caused inequality? This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. What are they? As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. They are most common where fetchis short. 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. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. 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. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. What is the Demographic Transition Model? The coastal engineering for the shoreline protection involves: . Humans, too, could almost be classified as a coastal species! Coastlines are formed through the processes of erosion, transportation, and deposition. -Erode the coast-Short wave length, high and steep. Ways destructive waves destroy the coastline . Practice Questions: Slideshow 2773107 by chanel coastlines. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. This is called a discordant coastline. Use the images below to explore related quizzes. Sign up to highlight and take notes.

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