How have animals adapted to the rainforest environment? North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. Less resistant rocks are eroded more than the resistant . Under 5's Football Coaching Drills, Landscapes. Awesome, well done! 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). Case studies Dorset Jurassic coast and Holderness. 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 ). A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. Not surprisingly, destructive waves destroy beaches. Soluble materials dissolve in water and are carried along. a headland separated by two bays. Selenium Deficiency In Baby Goats, Landscapes. These will be exam question style ranging from 4, 6 and 9 mark questions. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. (For example the south or the Dorset coast) . Concordant coastlines tend to have fewer bays and headlands. Sediment Cells. The Jurassic Coast begins at Orcombe . Economic opportunities and challenges in Lagos. Two Earthquakes Compared Nepal and LAquila, Lombok Indonesia Earthquake 2018 Case Study, 2018 Sulawesi Indonesia Earthquake and Tsunami Case Study. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. What is the impact of humans on the temperate deciduous woodland? In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? When the auto-complete results are available, use the up and down arrows to review and Enter to select. starter: Students examine the picture and discuss what is happening to the houses and why. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. After the waves broke through, creating an opening, the softer clay after the limestone started to erode away as well, creating a cove (figure 4). Cliffs and Wave-cut platforms Before you revise the formation of these landforms, have a look at this video and make sure you are able to identify the landforms from their distinctive features. The differing resistance to erosion leads to the formation of headlands and bays. 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. 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. 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. Coastlines of Emergence. True or False: Concordant coastlines form coves. 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. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. Concordant coastlines tend to have fewer bays and headlands. The discordant coastline runs from One of the topics looked at in GCSE Geography is the features that are found on a coastline. Links to wider reading and an introductory video. Did you know? Concordant coastline. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. South Dorset Coast 1. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. 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. Discordant These are where rock strata or structures are aligned at an angle to the coastline. over 1m. Lulworth Cove is located on the so-called Jurassic Coast, spanning 185 million years of geological history, from the Triassic (252 - 201 million years ago), Jurassic (199.6 - 145.5 million years ago), and Cretaceous (145 - 66 million years ago) periods. The UK's coastline is 31,368 km long (if you include all the main islands). weathering. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. Many emergent coastlines have existed since the glacial phases of the Pleistocene Epoch, which lasted from about 2,580,000 and 11,700 years ago because the sea levels were much lower than they are today. The site is self-funded and your support is really appreciated. Gcse Geography Revision. Discordant These are where rock strata or structures are aligned at an angle to the coastline. What are shanty town improvement schemes? 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. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. 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. Which type of underlying geology is most likely to be formed into straight cliffs? Rocks outcrop at right angles to the sea, forming headlands and bays. Teacher. They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. Concordant coastline Uncordant coastline Variable coastline 8. 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. It remains England's only natural World Heritage Site. Fetch length along with the wind speed (or strength) determines the size of waves produced. Risks facing the Delta. They have a low gradient, typically under one meter in height. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. What is the highest point of a wave called? If the direction of classifications is the same, the pairs are concordant. pptx, 1.58 MB. Soft engineering: Beach nourishment is a type of soft approach. Pinterest. than in summer. Importance of the Delta for the region. How are Nigerias trading and political relationships changing? The coastal engineering for the shoreline protection involves: . While not every UN member has ratified UNCLAS, most nations abide by it anyway. The differing resistance to erosion leads to the formation of headlands and bays. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Wrong! When a wave breaks upon the shore, rocks and pebbles that are being carried collide with each other breaking them and eventually making them smaller and smoother. Geology is the study of the types of rocks that make up the Earth's crust. Concordant coastlines tend to have fewer bays and headlands. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Stop procrastinating with our smart planner features. concordant coastlines. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Within geography, the definition of a coastline is the area where land meets water. How has hot desert vegetation adapted to the climate? Caves occur when waves force their way into cracks in the cliff face. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. It has a variety of other micro-features and a unique geology. Add in the missing words. 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 stated earlier, coves are formed out of concordant coastlines. She is cooler than I am and has a life instead of enough time to make this. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. 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 . (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 the structure of the tropical rainforest? Terms of use / Privacy policy / GDPR, About this workspace Coasts can be classified in a variety of . Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. - Internet Geography What is a concordant coastline? Bits of rock and sand that the waves have picked up are thrown against the cliff face. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Shake Hands With Beef Girl, Introduction to the location of the Delta. 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. Will you pass the quiz? Using examples examine the differences between discordant and concordant coastlines (with diagrams) (8) Coasts - Grade Booster Using examples, examine the physical factors that can influence how fast a coastline can erode (8) Coasts - Grade Booster Examine how soft engineering could prevent coastal erosion. Geology. The concordant coastline runs from west to east along the south coast. Human and physical factors causing river flooding. What are the impacts of industry on the physical environment? pg. Test your knowledge with gamified quizzes. The shape of the coastline (which is dependent on its geology) - on concordant coastlines, rocks are parallel to the wave front and therefore rates of erosion are similar along the coastline. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. BBC Bitesize. 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. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Strata are different layers (or beds) of rock. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. The differing resistance to erosion leads to the formation of headlands and bays. Insert links to other pages or uploaded files. . A submergent coastline is a coastline that has submerged below the water. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. Best study tips and tricks for your exams. Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . Erosion Sea forces change coastal landscapes with the wind being the major source of waves. Sustainable development in the desert The Great Green Wall. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. Coasts Revision Booklet. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. The longer the fetch length and the faster the wind speed, the . The United Nations uses coastlines to help determine international boundaries at sea. Specifically looking at the differences between concordant and discordant coastlines. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Chucky Trill Net Worth 2020. What is the Demographic Transition Model? Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. 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 . These act as agents of erosion because their . Concordant coastlines tend to have fewer bays and headlands. Headlands and bays can form on concordant coastlines too, as has happened . 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 northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. What is migration and why do people migrate? Image. What are the causes of deforestation in the Amazon? A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. These form where deposition produces unconsolidated geological structures parallel to the coastline. pg. They have low energy and an elliptical orbit. The sea has broken through this barrier and easily eroded the clays behind it. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The coast is very young due to recent ice ages and resulting sea level change. What are active, dormant and extinct volcanoes? When a stretch of coastline is formed from different types of rock, headlands and bays can form. Free and expert-verified textbook solutions. 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. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes 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 . They are most common where fetchis short. What are they? These Dalmatian types normally occur . Hydraulic action, attrition, abrasion, and corrosion. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Concordant. (8) Coasts - Grade Booster Geog' Clips For example, both X and Y rate item 1 higher than item 2. Because the soft rock is exposed, it is eroded faster than the hard rock. The low-energy wave spills into the bays as . The swash of a destructive wave is much weaker than its backwash. How reliable are economic indicators of development? Which of the following is NOT a major process through which waves shape the coast? . Discordant coasts have a crenellated pattern of projecting headlands and indented bays. What is chemical and mechanical weathering? Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . chalk) . Pinterest. Wrong! The processes have been operating over the last 8000 years. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. 4 - the process of forming Lulworth Cove, Dorset, UK. The more the waves crash onto the beach, the more sediment is washed out to sea. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. It has a discordant coastline along the east and concordant coastline along the south. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. These coves are formed by waves breaking through an outer layer of hard rock, such as limestone, and then, over time, the waves sweep away the soft rock further inland, like sand and clay, creating a cove. pptx, 1.58 MB. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. These waves are also known as plunging waves. Headlands and Bays 2. coastlines. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. 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). Teacher. This. Erosion worsens as the waves becomes stronger. The coast is the border between the land and the sea. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. (For example the south or the Dorset coast) . How have plants adapted to cold environments? Start studying BBC Geography Bitesize: Coastal Processes. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Emergent coastlines happen when either the water level has fallen or the land has risen. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Bull's Head in St Oswald's Bay. Where do volcanoes and earthquakes happen? The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. What is Nigerias location and importance? Discordant. 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 . Select all that apply. A ria coast hosts multiple rias. Upload unlimited documents and save them online. They are also called spilling or surging waves. A concordant coastline is an arrangement of rock strata along the coastline. Quick revise. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. (BBC, 2006). The first difference between concordant and discordant coastlines is that the concordant coastlines are composed of similar rock types whereas, in the case of discordant coastlines, the rocks are of different kinds. The water. 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. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. A wave-cut notch is created by erosional processes such . Erosion. Long offshore islands and coastal inlets are running parallel to the coastline. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. Economic losses to businesses if areas become unattractive and depopulated. How can we increase the amount of food produced globally? As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Which of the following is NOT typically found in a coastal ecosystem? 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). How does flooding affect humans and the environment? Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. how to change text duration on reels. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). The low-energy wave spills into the bays as . Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. 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. discordant coastline diagram. 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). As our Earth warms, glaciers melt, causing the sea level to rise. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. 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. Less resistant rocks are eroded more than the resistant . The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. 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). Reasons for Protecting Dawlish Warren: 1. Constructed by Australian soldiers over the course of 13 years and officially opened in 1932, the Great Ocean Road is dedicated to fallen soldiers of . Erosion worsens as the waves becomes stronger. 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 . 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. These will be exam question style ranging from 4, 6 and 9 mark questions. The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. A concordant coastline has the same type of rock along its. (bands) of hard rock and soft rock; many bays and headlands. The concordant coastline runs from west to east along the south coast. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. 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. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Coastlines will expand as climate change continues. 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. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. What are the effects of economic development in Nigeria on quality of life? Erosion worsens as the waves becomes stronger. A unique coastline within the UK is Lulworth Cove in Dorset. PBworks / Help Rocks outcrop at right angles to the sea, forming headlands and bays. Paisajes. The amount of energy is dependent on the wind speed, the length of time the . In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. Headlands and bays Cliffs along the coastline do not erode at the same pace. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. What are the differences in global calorie intake and food supply? . You know your landforms of coastal erosion. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. The differing resistance to erosion leads to the formation of headlands and bays. in height. A joint is a fracture of rock without movement from the original position, e.g. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. Today. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. 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 . How has the growth of Lagos caused inequality? The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. In some cases it is estimated that there was a rise . 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. 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. The headlands are formed by the hard rocks such as limestone and chalk while the bays are formed as a result of the sweeping away of the soft rocks like clay and sand. What are the three processes that shape the coastline? Swam in the ocean? 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. Both concordant and discordant. What is the distance between trough and crest called? What is a discordant coastline? Thus, a concordant coastline refers to a coastline that is made up of the same kinds of rocks and arranged parallel to the coast of the sea or ocean. What are Mumbais social and economic opportunities? 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 . As erosion processes take place, the clay erodes away quicker than the. Concordant coastlines tend to have fewer bays . If you've been to the beach, you've been to a coastline! Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. What is the role of transnational companies in Nigeria? Coastlines also help us demarcate international boundaries. Tunisia Case Study. shale), eroding quicker than the hard, resistant rock (e.g. Adapted from BBC. A famous example of a coastline. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea.
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