concordant and discordant coastlines bbc bitesize

How far out to territorial waters extend from the coast (or baseline)? Which of the following are associated with discordant coastlines? 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 processes have been operating over the last 8000 years. How did the temperate deciduous woodland get like this? The Jurassic Coast begins at Orcombe . How is demand for energy changing in the UK? It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. Originally a band of resistant Portland . What challenges are associated with the growth of Rio? The UK's coastline is 31,368 km long (if you include all the main islands). 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. Which type of underlying geology is most likely to be formed into straight cliffs? An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. A unique coastline within the UK is Lulworth Cove in Dorset. In places such as Worbarrow Bay and St Oswald's Bay, lateral widening of coves led to them joining into a single bay, with remnants of the outer Portland left as a line of stumps parallel to the coast, e.g. The coastline determines everything. Wrong! The differing resistance to erosion leads to the formation of headlands and bays. Adapted from BBC. In some cases it is estimated that there was a rise . These act as agents of erosion because their backwashis greater than their swah. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. Waves are the main reason for coastal change. 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. Jaden Agassi Mlb Draft 2021, What factors affect population density and distribution? 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 ). Key Question: What are the different landforms of the Jurassic Coast? The site is self-funded and your support is really appreciated. 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). 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. Concordant coastlines tend to have fewer bays and headlands. The Dorset Coast, located to the south of England on the English Channel, runs from Lymme Regis in the west, past Old Harry Rocks in Purbeck to Highcliffe in the east. Concordant coastlines tend to have fewer bays and headlands. 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. Over 10 million students from across the world are already learning smarter. This is called a discordant coastline. Gone surfing? Best study tips and tricks for your exams. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . How have animals adapted to cold environments? For example, both X and Y rate item 1 higher than item 2. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. A concordant coastline has the same type of rock. StudySmarter is commited to creating, free, high quality explainations, opening education to all. Coastal Geology. discordant coastlines. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . A coastline with the same type of rock along its length; fewer bays and headlands . There are two special types of submerged coastlines: ria coasts and fjord coasts. The relative resistance of rock types influences the degree of indentation of bays. The cove is located in a South West England County known as Dorset that is found along the English Channel. The Bay is also a product of sea level rise, since river erosion cut a low-relief river valley into Carboniferous Limestone, allowing the sea to flood inland and creating a ria at the start of the Holocene. Stop procrastinating with our study reminders. 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. They are most common where .. is short. 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. Elsewhere a ridge of sand forms a line of barrier islands, sand banks and mud flats parallel to the coast, e..g Friesian Islands off the North Sea coast of the Netherlands, Germany and western Denmark. Sign up to highlight and take notes. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. A submergent coastline is a coastline that has submerged below the water. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . 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. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. Concordant. docx, 24.88 KB. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. 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. It has a variety of other micro-features and a unique geology. BBC Bitesize Geoguessr Google Maps Gapminder . . 3 Revision Guides Business Studies: - Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision Guide Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision workbook Computing: - Students have already been provided with a revision guide and question books. 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. Numerous plants and animals have adapted to live along coastlines. Where are the areas of water deficit and surplus in the UK? Create the most beautiful study materials using our templates. Lulworth . Coasts are shaped by the processes of erosion, transportation and deposition. Wrong! Risks facing the Delta. Sea forces change coastal landscapes with the wind being the major source of waves. How is a cold environment interdependent? The part of the wave in the deeper water moves forward faster causing the wave to bend. . A coastline is anywhere where the land meets the water. Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts - YouTube 2:20 Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts TheGeographyGuy 1.66K. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. 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. UK Sediment Cells Source: Scool. Deformation is the degree of tilting of folding ofrock. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. This happened over about 1000 years, (very rapid) and submerged coastlines. False! A concordant coastline is an arrangement of rock strata along the coastline. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Case studies Dorset Jurassic coast and Holderness. The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. Coasts can be classified in a variety of . As the wave breaks, it carries material up the beach in its swash. Concordant coastlines tend to have fewer bays and headlands. What is the location and importance of Mumbai? A ria coast hosts multiple rias. Originally a band of resistant Portland . 8. A concordant coastline is where the same rock runs along the length of the coast. Try Dokkio Sidebar for free. how to change text duration on reels. Headlands and bays can form on concordant coastlines too, as has happened . What are the differences in global calorie intake and food supply? Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. Bays and headlands are common features along discordant coastlines. 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 . Each process can produce several coastal features; however, they often work together to sculpt the coastlines. They are more common in winterthan in the summer. Okay, now we know what coastlines are. chalk) . 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. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. As our Earth warms, glaciers melt, causing the sea level to rise. How does food insecurity affect the environment? What is the Demographic Transition Model? Where are polar and tundra environments located? Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. A concordant coastline comprises bands of different rock types that run parallel to the shore. Soluble materials dissolve in water and are carried along. The sea has broken through this barrier and easily eroded the clays behind it. This differential erosion creates headlands and bays along discordant coastlines. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. Soft engineering: Beach nourishment is a type of soft approach. Links to wider reading and an introductory video. 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. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. How is urban planning improving the quality of life for the urban poor in Mumbai? The differing resistance to erosion leads to the formation of headlands and bays. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Where are Temperate Deciduous Woodlands Located? Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Fig. Long spits of sands run parallel to the low coast, enclosing the coast. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. They form as a ledge of bedrock left behind as the dliff retreats. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. 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. 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. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. Where do volcanoes and earthquakes happen? How have animals adapted to the rainforest environment? Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. Sediment Cells. 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. The rock strata are almost vertical, and the bands of rock are quite narrow. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. The following are facts about destructive waves. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. (For example the south or the Dorset coast) . As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. Practice Questions: Slideshow 2773107 by chanel coastlines. Hydraulic action, attrition, abrasion, and corrosion. Paymaya Annual Report, Concordant coastlines tend to have fewer bays and headlands. The coast is the border between the land and the sea. Two Earthquakes Compared Nepal and LAquila, Lombok Indonesia Earthquake 2018 Case Study, 2018 Sulawesi Indonesia Earthquake and Tsunami Case Study. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. Key Question: What are the different landforms of the Jurassic Coast? Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. What is the location and importance of Rio de Janeiro? Discordant These are where rock strata or structures are aligned at an angle to the coastline. True or False: Concordant coastlines form coves. pptx, 1.58 MB. Less resistant rocks are eroded more than the resistant . A famous example of a coastline. Set individual study goals and earn points reaching them. How Is Climate Change Impacting The Water Cycle. Water quality and pollution management in the UK. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. Soft engineering: Beach nourishment is a type of soft approach. Have you ever gone for a stroll on a beach? starter: Students examine the picture and discuss what is happening to the houses and why. Concordant and discordant coastlines. Wave Refraction and Coastal Defences. This quiz focusses in particular on those features which are caused by coastal erosion. . Insert links to other pages or uploaded files. Bay and headland - Durdle Door, Dorset. Along the coastline of Dorset, there are concordant and discordant coastlines. full verbatim. A famous example of a coastline. weathering. $14 million dollar house maine; Safe access points to the shoreline at several points around the edge. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. The concordant coastline runs from west to east along the south coast. Type # 1. What is the role of transnational companies in Nigeria? Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Why Is Biodiversity Critical To Life On Earth? A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. What are the causes of deforestation in the Amazon? Concordant Coasts . Or in other words, these types of coastlines have the same type of rock all along its length. 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. Touch device users . Coastal Erosion. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes This results in the formation of headlands and bays. The bands of soft rock, such as sand . Label two landforms shown in the photograph (2) Coasts - Grade Booster. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Joints,Dips and Faults in terms of rocks. Because of this difference in erosion resistance, discordant coastlines are home to headlands, due to eroding hard rock, and bays, due to eroding soft rock. What is a discordant coastline? What are the effects of deforestation in the Amazon? The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Bull's Head in St Oswald's Bay. It has a variety of other micro-features and a unique geology. As a wave undercuts a cliff the cliff retreats. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Concordant. Discordant. 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. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Coastlines where different types of rock alternate between hard and soft rock are called discordant coastlines and will have more bays and headlands along its length. Chesil Beach in Dorset was formed this way. While not every UN member has ratified UNCLAS, most nations abide by it anyway. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. concordant coastlines. She is cooler than I am and has a life instead of enough time to make this. Erosion worsens as the waves becomes stronger. 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 Coastlines of Emergence. Coastlines where different types of rock alternate between hard and soft rock are called discordant coastlines and will have more bays and headlands along its length . Erosion worsens as the waves becomes stronger. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. 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. Great Ocean Road, Australia. 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. 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 . More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. https://commons.wikimedia.org/wiki/File:Lulworth.png. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Aqa. 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. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. When a stretch of coastline is formed from. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. BBC Bitesize. 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 . Headlands and bays Cliffs along the coastline do not erode at the same pace. Headlands and bays can form on concordant coastlines too, as has happened . Create your own unique website with customizable templates. 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. Coasts Revision Booklet. What are the air masses that affect the UK? 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. 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. What feature is left behind as the cliff retreats? Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. Besides hosting a multitude of specialised plants and animals, coastlines are also critical to our economic and political infrastructures, providing people with sources of food and livelihoods and allowing us to determine where our borders actually end. A joint is a fracture of rock without movement from the original position, e.g. 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. 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. Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. Because the waves are so frequent, the backwash has less time to soak into the sand. Lines of islands separated by narrow sea channels parallel to the coast (sounds). Start studying BBC Geography Bitesize: Coastal Processes. Introduction to the location of the Delta. When the auto-complete results are available, use the up and down arrows to review and Enter to select. A wave-cut notch is created by erosional processes such . The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. of the users don't pass the Coastlines quiz! Concordant and discordant coastlines. Rocks outcrop at right angles to the sea, forming headlands and bays. Fjords are created when glaciers cut through valleys and are submerged. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. Coastlines where different types of rock alternate between hard and soft rock are called discordant coastlines and will have more bays and headlands along its length. What are the effects of economic development in Nigeria on quality of life? Ways destructive waves destroy the coastline . However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. The water. Consequently headlands . Waves in the middle of the bay, where the water is deeper, do not lose velocity as .