The three major coastal processes include erosion, transportation and deposition. They are more common in winterthan in the summer. One of the topics looked at in GCSE Geography is the features that are found on a coastline. More resistant strata erode only slowly, and are left projecting into the sea as headlands. The updated BBC Bitesize website has a great video on . The differing resistance to erosion leads to the formation of headlands and bays. 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. Geology [ edit] 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 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. Introduction to the location of the Delta. (For example the south or the Dorset coast) . Under 5's Football Coaching Drills, These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. 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 . A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. What is the highest point of a wave called? Okay, now we know what coastlines are. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . 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. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Historic records indicate that over 250 m of land were lost between 1600 and 1850. The differing resistance to erosion leads to the formation of headlands and bays. Gcse Geography Revision. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. 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). 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. Originally a band of resistant Portland . How has hot desert vegetation adapted to the climate? The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. 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 . Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Case studies Dorset Jurassic coast and Holderness. Because the waves are so frequent, the backwash has less time to soak into the sand. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Use the resources provided to write notes that UK Sediment Cells Source: Scool. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - They have a mainly circular orbit, a steep gradient. . Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. The part of the wave in the deeper water moves forward faster causing the wave to bend. Either way, there is now a (bit of) coastline that is no longer submerged under water. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. These coastlines may lead to the formation of either Dalmatia landforms or Haffs (also called lagoons). Soluble materials dissolve in water and are carried along. What does scenery formed by erosion look like? Soft engineering: Beach nourishment is a type of soft approach. Specifically looking at the differences between concordant and discordant coastlines. Erosion. formed by the erosion of less resistant Wealden Clays. The coast is the border between the land and the sea. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. Coasts are shaped by the processes of erosion, transportation and deposition. BBC Bitesize. Landscapes. B Gradually the . These are coastlines where the bands of rock run perpendicular to the coastline meaning . Both concordant and discordant. What are active, dormant and extinct volcanoes? The length of perimeter approx 2km. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. If you continue to use this site we will assume that you are happy with it. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. pptx, 1.58 MB. 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 . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. The geology of the Isle is complex. The differing resistance to erosion leads to the formation of headlands and bays. 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. But do they serve as anything more than a place to go for a hike or a tan? The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. 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. The concordant coastline runs from west to east along the south coast. This happened over about 1000 years, (very rapid) and submerged coastlines. These act as agents of erosion because their . Discordant coastline . The image below shows the narrow opening created in the limestone and the cove that formed afterwards. How can the impacts of climate change be managed? It can be reached at low tide by walking from the mainland. You don't have permission to comment on this page. It has a discordant coastline along the east and concordant coastline along the south. Can the risks of volcanic eruptions be reduced? What is the role of transnational companies in Nigeria? Which of the following are associated with discordant coastlines? The geology of the Isle is complex. What is the Demographic Transition Model? Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. What is the impact of humans on the Taiga? If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Shaping our coasts. A ria is a drowned river valley that leads out to the sea. how to change text duration on reels. These will be exam question style ranging from 4, 6 and 9 mark . Landforms in the middle course of a river. Touch device users . Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. This belongs to: _____. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. BBC Bitesize. 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. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. Water quality and pollution management in the UK. What problems are caused by global warming? A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. Stacks, headlands, bays, cliffs and wave-cut platforms are all included. This results in the formation of headlands and bays. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. Upload unlimited documents and save them online. A unique coastline within the UK is Lulworth Cove in Dorset. The outer hard provides a protective barrier to erosion of the softer rocks further inland. 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. The UK's coastline is 31,368 km long (if you include all the main islands). Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. Published by at February 16, 2022. Insert links to other pages or uploaded files. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Joints,Dips and Faults in terms of rocks. The three marine processes that shape the coastline are erosion, transportation, and deposition. lulworth cove concordant 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. When a stretch of coastline is formed from. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Paymaya Annual Report, Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. A fjord coast hosts multiple fjords. What factors affect population density and distribution? https://commons.wikimedia.org/wiki/File:Lulworth.png. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). What is the location and importance of Mumbai? It is only when the water enters shallower areas that the water itself moves forward. Less resistant rocks are eroded more than the resistant . Everything you need for your studies in one place. Risks facing the Delta. The high degree of indentation of Bantry Bay is not solely influenced by the relative resistance of rock types, but also the orientation of strata SW-NE means that they directly face high energy Atlantic waves driven by the prevailing SW wind. Specification and other support materials for teachers, including delivery guides Explore. Discordant These are where rock strata or structures are aligned at an angle to the coastline. What feature is left behind as the cliff retreats? It remains England's only natural World Heritage Site. We use cookies to ensure that we give you the best experience on our website. Concordant. How is demand for energy changing in the UK? 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). That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. A coastline is anywhere where the land meets the water. Waves are the main reason for coastal change. There are 3 main groups of coastal features which result from coastal erosion: 1. . Concordant coastline 2. A concordant coastline has the same type of rock. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. Why Is Biodiversity Critical To Life On Earth? Select all that apply. The gradual breakdown of rocks due to . - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. The coast is very young due to recent ice ages and resulting sea level change. Coastal. How has the growth of Lagos caused inequality? Concordant. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . 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 . Set individual study goals and earn points reaching them. discordant coastlines. Concordant coastlines tend to have fewer bays and headlands. GCSE and A Level Geography Revision. Strata are different layers (or beds) of rock. The coast is the border between the land and the sea. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. Create your own unique website with customizable templates. Reasons for Protecting Dawlish Warren: 1. A concordant coastline is an arrangement of rock strata along the coastline. Coastlines also help us demarcate international boundaries. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . chalk) . The processes have been operating over the last 8000 years. Quick revise. The amount of energy is dependent on the wind speed, the length of time the . Consequently headlands . Coastlines are formed through the processes of 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. 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. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. What is chemical and mechanical weathering? Today. There are four processes involved in the eroding coastlines. What are the environmental impacts of economic development in Nigeria? Its 100% free. Start studying BBC Geography Bitesize: Coastal Processes. A ria coast hosts multiple rias. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. Geology is the study of the types of rocks that make up the Earth's crust. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. 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. Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. A bedding plane is the interface between two sedimentary strata. Safe access points to the shoreline at several points around the edge. The hard rock shields the soft rock from erosion. docx, 24.88 KB. The coastal engineering for the shoreline protection involves: . 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. concordant and discordant coastlines bbc bitesize Call us (+254) 722 22 99 44 Email polucon@polucon.com Our Laboratories Nairobi & Mombasa washington sports club glover park Home Services concordant and discordant coastlines bbc bitesize Micro-Biology Services Agri - Services Instrumentation Division Environment Division Petroleum Division It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. A coastline is an area where land meets the water. Long offshore islands and coastal inlets are running parallel to the coastline. As a result of the coastal feature, the depth of water around a coast varies. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . Numerous plants and animals have adapted to live along coastlines. The concordant coastline runs from west to east along the south coast. An explanation of the formation of the cove can be found on the right. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. Less resistant rocks are eroded more than the resistant . The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Key Question: What are the different landforms of the Jurassic Coast? Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. False! They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. 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. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. As Thor says, not bad at all. a ks3 unit work consisting of 7 complete lessons covering coasts: lesson 1 - introduction to uk physical landscapes lesson 2 - characteristics of ocean waves lesson 3 - erosion and geology lesson 4 - erosional landforms lesson 5 - transport and deposition lesson 6 - weathering and mass movement lesson 7 - coastal management decision making task Small particles are carried along by the water. What are the three processes that shape the coastline? Selenium Deficiency In Baby Goats, Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. 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 are the different types of weathering? It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The water. coastlines. A concordant coastline is an arrangement of rock strata along the coastline. Identify your study strength and weaknesses. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. What are the impacts of industry on the physical environment? Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. How has urbanisation helped Nigeria to develop? Today. Awesome, well done! coastlines. Concordant Coasts . 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 . Specifically looking at the differences between concordant and discordant coastlines. The UK's coastline is 31,368 km long (if you include all the main islands). . What is a concordant coastline? Chesil Beach in Dorset was formed this way. There are different bands of rock that have shaped this discordant coastline, namely: Fig. Approximately 40% of all people live within 100km of a coastline. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. These will be exam question style ranging from 4, 6 and 9 mark questions. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Lulworth . Discordant and concordant coasts in Dorset. Emergent Coastlines. This quiz focusses in particular on those features which are caused by coastal erosion. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. . These processes are happening constantly and usually work in conjunction to produce coastal features. As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. For example, both X and Y rate item 1 higher than item 2. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. . Concordant coastlines tend to have fewer bays and headlands. The Earth has around 620,000 kilometres (390,000 mi) of coastline. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. Sustainable development in the desert The Great Green Wall. Both concordant and discordant. Headlands and bays Cliffs along the coastline do not erode at the same pace.
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