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. This happened over about 1000 years, (very rapid) and submerged coastlines. It has a discordant coastline along the east and concordant coastline along the south. 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. 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. Aqa. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Now you can find what you're looking for wherever it lives. What is the structure of the Temperate Deciduous Woodland? Less resistant rocks are eroded more than the resistant . Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. The results are deep, lengthy, thin inlets surrounded by high cliff faces. 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. . discordant coastline diagram. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. 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. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. They are more common in . 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 low-energy wave spills into the bays as . Waves interact with land through three major marine processes: erosion, transportation, and deposition. These Dalmatian types normally occur . A coastline is anywhere where the land meets the water. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Published by at February 16, 2022. These processes are happening constantly and usually work in conjunction to produce coastal features. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. Hilbre Island (Cheshire) is an example of a possible fieldwork location. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. 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). As Thor says, not bad at all. Discordant coastline . The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Teacher. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. The coast is the border between the land and the sea. How has demand for water in the UK changed? Discordant and concordant coasts in Dorset. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Type # 1. A coastline is an area where land meets the water. Fetch length along with the wind speed (or strength) determines the size of waves produced. The relative resistance of rock types influences the degree of indentation of bays. Use the resources provided to write notes that UK Sediment Cells Source: Scool. The three major coastal processes include erosion, transportation and deposition. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. Specifically looking at the differences between concordant and discordant coastlines. Emergent Coastlines. 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. A concordant coastline is an arrangement of rock strata along the coastline. What are the environmental impacts of economic development in Nigeria? material at the coast and in a river. 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? Soluble materials dissolve in water and are carried along. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. International migration from Syria to Europe, Japan A country with a high dependent population. For example, this could be a joint in chalk. 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. https://commons.wikimedia.org/wiki/File:Lulworth.png. Although now a coastal village, Happisburgh was once some distance from the sea, parted from the coast by the parish of Whimpwell, long since eroded away. The 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. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. 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. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Fjords are created when glaciers cut through valleys and are submerged. Create beautiful notes faster than ever before. Great Ocean Road, Australia. 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. The concordant coastline runs from west to east along the south coast. The more the waves crash onto the beach, the more sediment is washed out to sea. chalk) . Water quality and pollution management in the UK. The sea has broken through this barrier and easily eroded the clays behind it. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. More resistant strata erode only slowly, and are left projecting into the sea as headlands. Or built a sand castle next to the waves? Where the rock outcrops run parallel to the sea. Which type of underlying geology is most likely to be formed into straight cliffs? It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. As a result of the coastal feature, the depth of water around a coast varies. The low-energy wave spills into the bays as . The UK's coastline is 31,368 km long (if you include all the main islands). Concordant coastline 2. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. in height. Select all that apply. What is the location and importance of Rio de Janeiro? Use the images below to explore related quizzes. The differing resistance to erosion leads to the formation of headlands and bays. Coastal Geology. Links to wider reading and an introductory video. The following are facts about constructive waves. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. 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 ). . How is urban planning improving the quality of life for the urban poor in Mumbai? Concordant coastlines tend to have fewer bays . It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. Paw Patrol Does Ryder Have A Crush On Katie, Set individual study goals and earn points reaching them. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. B Gradually the . A concordant coastline diminated by limestone in the map has the same type of rock along its length. It's a way of having all my information in one place. Humans, too, could almost be classified as a coastal species! Swanage is located in South England and features both a discordant and concordant coastline (see diagram below) Due to this contrasting geology a number of differences can be outlined. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Coastlines are formed through the processes of erosion, transportation, and deposition. Coastlines of Emergence. What are the different types of weathering? geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. Explore. This process happens over thousands of years. Test your knowledge with gamified quizzes. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. It remains England's only natural World Heritage Site. A concordant coastline is where the same rock runs along the length of the coast. Geology is the study of the types of rocks that make up the Earth's crust. 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 Earth has around 620,000 kilometres (390,000 mi) of coastline. 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. 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 . Soft engineering: Beach nourishment is a type of soft approach. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . 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. 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. Destructive waves are usually . But, let's be honest, it's not brilliant. -Erode the coast-Short wave length, high and steep. The differing resistance to erosion leads to the formation of headlands and bays. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Which landforms result from moving or melting ice? There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. Lulworth Cove has occurred on a concordant coastline. 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 results in the formation of headlands and bays. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. Nie wieder prokastinieren mit unseren Lernerinnerungen. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. As we mentioned earlier, this tends to shift the coastline further inland. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. $14 million dollar house maine; caused by the shrinkage of igneous rock as it cools. Pinterest. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. Concordant coastline 2. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. 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 . Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. What is the site and situation of a settlement? Safe access points to the shoreline at several points around the edge. 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. Categories . Human actions and Physical factors affecting the Delta. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. They are most common where .. is short. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. The updated BBC Bitesize website has a great video on . Jamaica Case Study, How can the growth of tourism reduce the development gap? Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. These will be exam question style ranging from 4, 6 and 9 mark questions. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. What is the location and importance of Mumbai? How have animals adapted to cold environments? As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Caves occur when waves force their way into cracks in the cliff face. Lulworth . 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. It varies enormously from tropical looking Luskentyre in the Outer Hebrides, to the jagged coasts of Cornwall, from the low lying muddy estuarine coast of the Wash, to broad sandy beach and dunes at Bamburgh in Northumberland. The discordant coastline runs from How Is Climate Change Impacting The Water Cycle. Concordant coastlines tend to have fewer bays and headlands. 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 . Shaping our coasts. Headlands and Bays 2. The coastline determines everything. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. They are also called spilling or surging waves. This is called a discordant coastline. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. This differential erosion creates headlands and bays along discordant coastlines. In some cases it is estimated that there was a rise . 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. pg. . Why is the Human Development Index important? Insert links to other pages or uploaded files. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Headlands and bays Cliffs along the coastline do not erode at the same pace. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. Why is the weather of the UK so changeable? . How has urbanisation helped Nigeria to develop? The warmer climate that followed melted much of the ice. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. 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. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. Along the coastline of Dorset, there are concordant and discordant coastlines. discordant coastlines. Both concordant and discordant. The differing resistance to erosion leads to the formation of headlands and bays. 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. 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). Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. StudySmarter is commited to creating, free, high quality explainations, opening education to all. full verbatim. A submergent coastline is a coastline that has submerged below the water. Correct! discordant coastlines. 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. Today. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. How do weather and climate affect river landscapes? These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. Changing rates of rainforest deforestation. Try Dokkio Sidebar for free. Create your own unique website with customizable templates. Geology. Coasts can be classified in a variety of . A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. A concordant coastline is where the same rock runs along the length of the coast. Originally a band of resistant Portland . 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. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Risks facing the Delta. dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. a headland separated by two bays. 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. They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Type # 1. 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. Coasts Revision Booklet. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. The processes have been operating over the last 8000 years. Under 5's Football Coaching Drills, Dip is the angle of inclination of titled strata. Why Is Biodiversity Critical To Life On Earth? Even London is built along the River Thames, which flows into the North Sea. The rock types are typically of . 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. This happened over about 1000 years, (very rapid) and submerged coastlines. The coast is the border between the land and the sea. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. Add in the missing words. 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 does scenery formed by erosion look like? Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. BBC Bitesize. pptx, 1.58 MB. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Introduction to the location of the Delta. It has a discordant coastline along the east and concordant coastline along the south. True or False: Concordant coastlines form coves. Protection of cold environments as wilderness areas. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. Historic records indicate that over 250 m of land were lost between 1600 and 1850. docx, 24.88 KB. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways.
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