Originally a band of resistant Portland . As we mentioned earlier, this tends to shift the coastline further inland. While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. Weathering and mass movement in river valleys. Where the rock outcrops run parallel to the sea. full verbatim. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. Along the coastline of Dorset, there are concordant and discordant coastlines. The differing resistance to erosion leads to the formation of headlands and bays. 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. What is the location and importance of Rio de Janeiro? When the auto-complete results are available, use the up and down arrows to review and Enter to select. The coastline determines everything. discordant coastlines. Wrong! Where are the areas of water deficit and surplus in the UK? Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. Rocks outcrop at right angles to the sea, forming headlands and bays. Dip is the angle of inclination of titled strata. Soft engineering: Beach nourishment is a type of soft approach. Pinterest. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. Discordant These are where rock strata or structures are aligned at an angle to the coastline. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Create and find flashcards in record time. The concordant coastline runs from west to east along the south coast. 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. 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. What are the differences in global calorie intake and food supply? 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. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Where do volcanoes and earthquakes happen? These Dalmatian types normally occur . Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. 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. How does geology affect the formation of river landforms? . Which of the following are associated with discordant coastlines? Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. The processes have been operating over the last 8000 years. They are more common in . Links to wider reading and an introductory video. There are rias throughout the world, including Poole Harbour in Dorset. The concordant coast may take one of two landform types. Erosion Sea forces change coastal landscapes with the wind being the major source of waves. 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. As the wave breaks, it carries material up the beach in its swash. This. What is the impact of humans on the temperate deciduous woodland? 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. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. 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. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. Destructive waves are usually very high, over 1m. Why are deserts located along the tropics? Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Reasons for Protecting Dawlish Warren: 1. chalk) . . Create your own unique website with customizable templates. The shape of the cove is the result of wave diffraction. The concordant coastline runs from west to east along the south coast. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. The water. Earn points, unlock badges and level up while studying. Can the risks of volcanic eruptions be reduced? A ria coast hosts multiple rias. BBC Bitesize. Their wavelength is long and a low frequency (8-10 waves per minute). The three major coastal processes include erosion, transportation and deposition. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. 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. 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. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. In some cases it is estimated that there was a rise . At the mouth of the River Oder near Szczecin, Stettiner Haff formed where sand ridge connected islands, leaving river to emerge through three narrow outlets. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. The rock types are typically of . Jamaica Case Study, How can the growth of tourism reduce the development gap? Practice Questions: Slideshow 2773107 by chanel coastlines. Sediment Cells. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. 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 . Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. In some cases it is estimated that there was a rise . Coastlines will expand as climate change continues. how to change text duration on reels. How is urban planning improving the quality of life for the urban poor in Mumbai? Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. A coastline with the same type of rock along its length; fewer bays and headlands. over 1m. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. This differential erosion creates headlands and bays along discordant coastlines. Because the soft rock is exposed, it is eroded faster than the hard rock. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. During a storm, the most common waves are destructive. What is a concordant coastline? This happened over about 1000 years, (very rapid) and submerged coastlines. What is the impact of humans on the savanna? 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. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. A coastline with the same type of rock along its length; fewer bays and headlands . Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . It is only when the water enters shallower areas that the water itself moves forward. Click To Play 1. Less resistant rocks are eroded more than the resistant . The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. How has the vegetation in the temperate deciduous forest adapted to the climate? What are the environmental impacts of economic development in Nigeria? The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Historic records indicate that over 250 m of land were lost between 1600 and 1850. As stated earlier, coves are formed out of concordant coastlines. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. False! Now you can find what you're looking for wherever it lives. Where are polar and tundra environments located? 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. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . What are the different types of weathering? discordant coastline diagram. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Specifically looking at the differences between concordant and discordant coastlines. 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. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Teacher. Hydraulic action, attrition, abrasion, and corrosion. 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. How do changes affect the balance of an ecosystem? 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. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Both concordant and discordant. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. The length of perimeter approx 2km. Waves move up and down there is no horizontal movement. Caves occur when waves force their way into cracks in the cliff face. PSYCHIC TWINS . Lulworth Cove has occurred on a concordant coastline. The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. Why is there a trend towards agribusiness? The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. shale), eroding quicker than the hard, resistant rock (e.g. What factors affect population density and distribution? Gone surfing? It's a way of having all my information in one place. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. Economic losses to businesses if areas become unattractive and depopulated. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. The UK's coastline is 31,368 km long (if you include all the main islands). Concordant coastlines tend to have fewer bays and headlands. Introduction to the location of the Delta. It's a way of having all my information in one place. A fjord coast hosts multiple fjords. Headlands and bays can form on concordant coastlines too, as has happened . Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. UK Sediment Cells Source: Scool. docx, 24.88 KB. How have animals adapted to the rainforest environment? The United Nations uses coastlines to help determine international boundaries at sea. A concordant coastline is an arrangement of rock strata along the coastline. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. The following are facts about constructive waves. 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. 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 are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. The coast is the border between the land and the sea. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. Concordant coastlines tend to have fewer bays . Coasts are shaped by the processes of erosion, transportation and deposition. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . This process. This happened over about 1000 years, (very rapid) and submerged coastlines. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. Paymaya Annual Report, Over time, waves beating against the shore will wear it down (or erode it). Explore. Add in the missing words. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. coastlines. Emergent Coastlines. The differing resistance to erosion leads to the formation of headlands and bays. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. 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 three major coastal processes include erosion, transportation and deposition. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. 2022 kinetico replacement filters, on concordant and discordant coastlines bbc bitesize, williams funeral home st thomas ont obits, Fix Toxic Relationship According To Childhood Trauma Test, Is It Illegal To Sleep In Your Car In Virginia, la crosse aquinas high school live stream, 707 concourse village west housing connect, do you have to transcribe stutters? . 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. A concordant coastline diminated by limestone in the map has the same type of rock along its length. 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 . What percent of the global population lives within 100km of a coastline? Beach Headland Blowhole Wave cut platform 9. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. 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. Historic records indicate that over 250 m of land were lost between 1600 and 1850. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. Which of the following are major types of coastlines? 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. What feature is left behind as the cliff retreats? 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. The site is self-funded and your support is really appreciated. Definitions. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Pebble sized particles are bounced along the river bed/sea by the force of the water. 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. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). Either way, there is now a (bit of) coastline that is no longer submerged under water. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). 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. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. A concordant coastline produced by the geological structure of folds parallel to the coast. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. 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). This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. As the wave approaches the coast, it gains height and drops onto a steep beach. . How does flooding affect humans and the environment? Waves interact with land through three major marine processes: erosion, transportation, and deposition. Start studying BBC Geography Bitesize: Coastal Processes. Specifically looking at the differences between concordant and discordant coastlines. Select all that apply. Extended writing tasks 2 a half term. Create your own unique website with customizable templates. What are the causes of deforestation in the Amazon? In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. The fetch, often called the fetch length, is the length of water over which a given wind has blown. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. Sandridge formed bars across some bays and river mouths, with trapped river water forming a lagoon behind (callled haffs in Poland on the Baltic Sea). Bays and headlands are common features along discordant coastlines. 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. The coast is the border between the land and the sea. How do weather and climate affect river landscapes? Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Type # 1. 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. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. Specifically looking at the differences between concordant and discordant coastlines. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Stop procrastinating with our study reminders. Pinterest. a headland separated by two bays. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. What challenges have been caused by urban growth in Mumbai? Erosion worsens as the waves becomes stronger. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. The differing resistance to erosion leads to the formation of headlands and bays. 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 . This belongs to: _____. B Gradually the . Which of the following is NOT a major process through which waves shape the coast? How is a cold environment interdependent? Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Concordant coastline 2. 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. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. What is the site and situation of a settlement? Under 5's Football Coaching Drills, Because the waves are so frequent, the backwash has less time to soak into the sand. 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! Over 10 million students from across the world are already learning smarter. Strata are different layers (or beds) of rock. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. What is the difference between a tornado and a hurricane? Create the most beautiful study materials using our templates. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. Selenium Deficiency In Baby Goats, It remains England's only natural World Heritage Site. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. Headlands and bays Cliffs along the coastline do not erode at the same pace. How Is Climate Change Impacting The Water Cycle. A coastline is anywhere where the land meets the water. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. Approximately 40% of all people live within 100km of a coastline. As a result of the coastal feature, the depth of water around a coast varies. 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. Bits of rock and sand that the waves have picked up are thrown against the cliff face. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. This is because access to the coast offers the opportunity for harvesting marine resources, especially fish, as well as the ability to conduct international trade via the sea. As a wave undercuts a cliff the cliff retreats. Introduction to the location of the Delta. Changing rates of rainforest deforestation. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Corrosion is also known as solution. . Each process can produce several coastal features; however, they often work together to sculpt the coastlines.