These processes are happening constantly and usually work in conjunction to produce coastal features. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. The Jurassic Coast begins at Orcombe . These will be exam question style ranging from 4, 6 and 9 mark questions. Tunisia Case Study. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Discordant These are where rock strata or structures are aligned at an angle to the coastline. What are the economic and environmental issues of energy production? Create and find flashcards in record time. Label two landforms shown in the photograph (2) Coasts - Grade Booster. 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. (For example the south or the Dorset coast) . What are the different types of weathering? Pinterest. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. An explanation of the formation of the cove can be found on the right. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. 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. Links to wider reading and an introductory video. While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. The sea has broken through this barrier and easily eroded the clays behind it. A coastline is an area where land meets the water. Concordant and discordant coastlines. . StudySmarter is commited to creating, free, high quality explainations, opening education to all. Use the resources provided to write notes that UK Sediment Cells Source: Scool. 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. Joints,Dips and Faults in terms of rocks. These coastlines may lead to the formation of either Dalmatia landforms or Haffs (also called lagoons). Waves are the main reason for coastal change. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. You don't have permission to comment on this page. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. 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. What is the distance between trough and crest called? Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. The outer hard rock is Portland limestone. A concordant coastline is an arrangement of rock strata along the coastline. 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. Where the rock outcrops run parallel to the sea. How Is Climate Change Impacting The Water Cycle. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. They have a mainly circular orbit, a .. gradient. Not surprisingly, destructive waves destroy beaches. Chucky Trill Net Worth 2020. Aqa. Geology is the study of the types of rocks that make up the Earth's crust. 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. The differing resistance to erosion leads to the formation of headlands and bays. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. Can the risks of volcanic eruptions be reduced? Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. As erosion processes take place, the clay erodes away quicker than the. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . South Dorset Coast 1. Summer 2 Emerging economies: Asia Studying the emergence of economies in Asia known A concordant coastline is an arrangement of rock strata along the coastline. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. This is called a discordant coastline. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Great Ocean Road, Australia. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Discordant These are where rock strata or structures are aligned at an angle to the coastline. The concordant coastline runs from west to east along the south coast. The coastal engineering for the shoreline protection involves: . Published by at February 16, 2022. Links to wider reading and an introductory video. The updated BBC Bitesize website has a great video on . The geology of the Isle is complex. Where once there was a simple river with well-defined banks, now there is a sprawling river that has submerged most of the terrain around it. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . 4 - the process of forming Lulworth Cove, Dorset, UK. Originally a band of resistant Portland . Bull's Head in St Oswald's Bay. Bays and headlands are common features along discordant coastlines. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Test your knowledge with gamified quizzes. Specifically looking at the differences between concordant and discordant coastlines. Select all that apply. What is the value of the tropical rainforest? Why is the weather of the UK so changeable? What are Mumbais social and economic opportunities? chalk) . The hard rock shields the soft rock from erosion. Discordant coastline . Emergent coastlines happen when either the water level has fallen or the land has risen. By registering you get free access to our website and app (available on desktop AND mobile) which will help you to super-charge your learning process. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. 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). This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. It has a variety of other micro-features and a unique geology. discordant coastline diagram. 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 . coastlines. The concordant coastline runs from west to east along the south coast. Image. At points where the Portland is weaker, erosion hasbroken through and then rapidly eroded out the softer strata laterally, creating a series of coves, e.g. Discordant and concordant coasts in Dorset. Consequently headlands . 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. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Practice Questions: Slideshow 2773107 by chanel Coasts Revision Booklet. What percent of the global population lives within 100km of a coastline? Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). It has a discordant coastline along the east and concordant coastline along the south. What are the air masses that affect the UK? A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Coastlines will expand as climate change continues. . Did you know? Concordant coastlines tend to have fewer bays and headlands. A concordant coastline is an arrangement of rock strata along the coastline. These act as agents of erosion because their backwashis greater than their swah. What are shanty town improvement schemes? 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. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). They are also called spilling or surging waves. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. 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. The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. Pebble sized particles are bounced along the river bed/sea by the force of the water. Along the coastline of Dorset, there are concordant and discordant coastlines. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. The geology of the Isle is complex. Concordant coastlines tend to have fewer bays and headlands. Key Question: What are the different landforms of the Jurassic Coast? As a wave undercuts a cliff the cliff retreats. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. As stated earlier, coves are formed out of concordant coastlines. 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. Discordant. They are more common in . Which landforms result from moving or melting ice? They have a low gradient, typically under one meter in height. 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. A concordant coastline diminated by limestone in the map has the same type of rock along its length. [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. 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). 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 ). Today. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. A concordant coastline produced by the geological structure of folds parallel to the coast. How have animals adapted to cold environments? It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. What is the location and importance of Mumbai? Coastlines also help us demarcate international boundaries. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. The sea attacks a weakness in the base of the cliff. Concordant and discordant coastlines Caves, arches, stacks and stumps Caves, arches, stacks and stumps are all features of a weathering or erosion process at different stages. The coastal environment of the world is made up of a wide variety of landforms manifested in a spectrum of sizes and shapes ranging from gently sloping beaches to high cliffs, yet coastal landforms are best considered in two broad . A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. What are the effects of deforestation in the Amazon? They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. What are they? Within geography, the definition of a coastline is the area where land meets water. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. For example, both X and Y rate item 1 higher than item 2. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Caves occur when waves force their way into cracks in the cliff face. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. They are more common in winterthan in the summer. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. It has a variety of other micro-features and a unique geology. Pinterest. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. 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. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. 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 There are four processes involved in the eroding coastlines. A famous example of a coastline. coastlines. Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. How has rainforest vegetation adapted to the climate? 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. UK Sediment Cells Source: Scool. A concordant coastline has the same type of rock. Numerous plants and animals have adapted to live along coastlines. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. 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. Click To Play 1. Add in the missing words. The coast is very young due to recent ice ages and resulting sea level change. Their wavelength is .and a.. frequency (8-10 waves per minute). As the wave breaks, it carries material up the beach in its swash. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. Bits of rock and sand that the waves have picked up are thrown against the cliff face. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. starter: Students examine the picture and discuss what is happening to the houses and why. Terms of use / Privacy policy / GDPR, About this workspace 3. a headland separated by two bays. Because the waves are so frequent, the backwash has less time to soak into the sand. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. This is considered sovereign national territory, the same as boundaries on land. Under 5's Football Coaching Drills, Use the resources provided to write notes that Wave Refraction and Coastal Defences. Soft engineering: Beach nourishment is a type of soft approach. It is only when the water enters shallower areas that the water itself moves forward. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. 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. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Chesil Beach in Dorset was formed this way. Named after the Dalmatia region on the Adriatic Sea. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. These will be exam question style ranging from 4, 6 and 9 mark questions. The low-energy wave spills into the bays as . This is called a discordant coastline. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Have all your study materials in one place. 1. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. The bands of soft rock, such as sand . Landforms in the middle course of a river. 8. Lines of islands separated by narrow sea channels parallel to the coast (sounds). Changing rates of rainforest deforestation. The UK's coastline is 31,368 km long (if you include all the main islands). 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 three processes that shape the coastline? The part of the wave in the deeper water moves forward faster causing the wave to bend. A unique coastline within the UK is Lulworth Cove in Dorset. Less resistant rocks are eroded more than the resistant . If you have, then you've been to a coast and walked along a coastline. Adapted from BBC. What problems are caused by global warming? The coast is the border between the land and the sea. This process happens over thousands of years. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. Specifically looking at the differences between concordant and discordant coastlines. During a storm, the most common waves are destructive. Concordant coastline. 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. The three major coastal processes include erosion, transportation and deposition. Headlands and Bays 2. 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. It's a way of having all my information in one place. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. Teacher. The Jurassic Coast begins at Orcombe . 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. This. What is the impact of humans on the temperate deciduous woodland? Key Question: What are the different landforms of the Jurassic Coast? - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. BBC iPlayer 37k followers More information Discordant and concordant coasts in Dorset Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Beach Headland Blowhole Wave cut platform 9. The net result is that the sediment gets smaller and smaller over time. 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 . Discordant. A concordant coastline comprises bands of different rock types that run parallel to the shore. 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. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. (For example the east of the Dorset coast) How Geology affects the coast . 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 . This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. What is the role of transnational companies in Nigeria? Corrosion is also known as solution. Headlands and bays Cliffs along the coastline do not erode at the same pace. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. 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. Headlands and bays can form on concordant coastlines too, as has happened . Concordant. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. The angle these bands make with the coastline makes it either a concordant or discordant coastline. Categories . 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). Teacher. In some cases it is estimated that there was a rise . GCSE and A Level Geography Revision. A coastline with the same type of rock along its length; fewer bays and headlands. Rocks outcrop at right angles to the sea, forming headlands and bays. What are the impacts of industry on the physical environment? When a stretch of coastline is formed from different types of rock, headlands and bays can form. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Correct! Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - 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. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Both concordant and discordant. Discordant These are where rock strata or structures are aligned at an angle to the coastline. How has the growth of Lagos caused inequality? Sea forces change coastal landscapes with the wind being the major source of waves. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. Caves occur when waves force their way into cracks in the cliff face. (8) Coasts - Grade Booster Geog' Clips The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. PBworks / Help Jamaica Case Study, How can the growth of tourism reduce the development gap? A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. The differing resistance to erosion leads to the formation of headlands and bays. Either way, there is now a (bit of) coastline that is no longer submerged under water. Concordant or conformable, when referring to plutonic bodies, indicates that the intruding magma of sills and laccoliths lies parallel to rather than cutting across country strata, as do discordant structures such as veins, dikes, bysmoliths, and batholiths. Weathering and mass movement in river valleys. (bands) of hard rock and soft rock; many bays and headlands. 3.1B Transport Technology and Globalisation, 3.2 Political and Economic Decision Making, 7C Economic Development and Environmental Impact, 8B Controlling the Spread of Globlisation, 4A.1B Economic Activity and Social Factors, 4A.1A Changing Function and Characteristics, 4A.6 Evaluating the need for Regeneration, 6C Representation and Need for Regeneration, 10A Measuring the Success of Regeneration, 12A Restructuring and Contested Decisions, 7.5 Superpowers and International Decision Making, 7.6 Superpowers and the Physical Environment, 7.6C Middle-Class Consumption on Emerging Powers, 7.8A Emerging Powers and the Developing World, 8.2 Variations in Health and Life Expectancy, 8.3A The relationship between economic and social development, 8.5A Human Rights Vs Economic Development, 8.8 the Positive and Negative of Development, 2B.2C Geological Structure and Cliff Profiles, 2B.3B Rock Strata and Complex Cliff Profiles, 4C Coastal Landscapes Produced by Erosion, 8C Temporal Variations in Coastal Recession, 9A Local Factors that Increase Coastal Flood Risk, A - Economic and Social Losses from Recession, 2B: 12 Integrated Coastal Zone Management, 1B Importance and Size of Stores and Fluxes, 5.4 Deficits within the Hydrological Cycle, 5.8 Consequences and Risks of Water Insecurity, 8A - Causes and Pattern of Physical and Economic Scarcity, 5.9C Integrated Drainage Basin Management, 6.1C - Geological Processes Releasing Carbon, 6.2 Biological Processes Sequestering Carbon, 6.3 Human Activity Altering the Carbon Cycle, 6.6C Radical Technologies to Reduce Carbon Emissions, 6.7 Human Activity Threatening the Carbon and Water Cycles. False! (For example the south or the Dorset coast) . . Long spits of sands run parallel to the low coast, enclosing the coast. They have low energy and an elliptical orbit. How has urbanisation helped Nigeria to develop? Destructive waves are usually very high, over 1m. Take a look at our resources under Topics in the menu at the top of the page. A concordant coastline produced by the geological structure of folds parallel to the 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. A wave-cut notch is created by erosional processes such . What is a discordant coastline? 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. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast.
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