over 1m. A concordant coastline is an arrangement of rock strata along the coastline. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). What is the role of transnational companies in Nigeria? The concordant coastline runs from west to east along the south coast. GCSE 9-1 Coasts: Erosional Landforms Bundle. Create and find flashcards in record time. Economic losses to businesses if areas become unattractive and depopulated. B Gradually the . A coastline is anywhere where the land meets the water. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Click To Play 1. Explain the process of longshore drift (3) Coasts - Grade Booster. Terms of use / Privacy policy / GDPR, About this workspace It's a way of having all my information in one place. Landscapes. How is a cold environment interdependent? She is cooler than I am and has a life instead of enough time to make this. What is the site and situation of a settlement? They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. A coastline with the same type of rock along its length; fewer bays and headlands . The Earth has around 620,000 kilometres (390,000 mi) of coastline. A concordant coastline is an arrangement of rock strata along the coastline. Explore. Which of the following are major types of coastlines? The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. Concordant coastlines tend to have fewer bays and headlands. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. 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. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Economic opportunities and challenges in Lagos. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Not surprisingly, destructive waves destroy beaches. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. 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. Highly popular with tourists - 20,00 people on the spit at peak times (the Environment Agency concluded that between 18th August and the 12th December 2004, 487,624 visitors visited Dawlish Warren equating . Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. Definitions. Which type of underlying geology is most likely to be formed into straight cliffs? Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. Safe access points to the shoreline at several points around the edge. Two Earthquakes Compared Nepal and LAquila, Lombok Indonesia Earthquake 2018 Case Study, 2018 Sulawesi Indonesia Earthquake and Tsunami Case Study. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. Each process can produce several coastal features; however, they often work together to sculpt the coastlines. Today. Or built a sand castle next to the waves? Shake Hands With Beef Girl, How far out to territorial waters extend from the coast (or baseline)? 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. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. 3. How is demand for energy changing in the UK? Geology. These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. About 40% of the global population lives within 100km of a coastline. Because the waves are so frequent, the backwash has less time to soak into the sand. Discordant and concordant coasts in Dorset. . On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. 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 . One of the topics looked at in GCSE Geography is the features that are found on a coastline. The hard rock shields the soft rock from erosion. What problems are caused by global warming? 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. Sustainable development in the Temperate Deciduous Woodland. Discordant These are where rock strata or structures are aligned at an angle to the coastline. How are Nigerias trading and political relationships changing? concordant coastlines. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. A famous example of a coastline. Coasts Revision Booklet. Both concordant and discordant. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. . 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. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Landforms in the middle course of a river. 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. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. The coast is very young due to recent ice ages and resulting sea level change. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Why is the Human Development Index important? Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. A concordant coastline has the same type of rock. dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam For example, both X and Y rate item 1 higher than item 2. The differing resistance to erosion leads to the formation of headlands and bays. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. When a stretch of coastline is formed from different types of rock, headlands and bays can form. What are the three processes that shape the coastline? In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. Add in the missing words. The low-energy wave spills into the bays as . 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 . Both concordant and discordant. The length of perimeter approx 2km. Coastlines also help us demarcate international boundaries. As the wave approaches the coast, it gains height and drops onto a steep beach. Originally a band of resistant Portland . The Bay is also a product of sea level rise, since river erosion cut a low-relief river valley into Carboniferous Limestone, allowing the sea to flood inland and creating a ria at the start of the Holocene. How have animals adapted to the rainforest environment? The site is self-funded and your support is really appreciated. 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. Because the soft rock is exposed, it is eroded faster than the hard rock. Sea forces change coastal landscapes with the wind being the major source of waves. Jaden Agassi Mlb Draft 2021, These are where rock strata or structures are aligned at an angle to the coastline. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. What are the different types of weathering? We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. What is the location and importance of Rio de Janeiro? Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. What are the causes of deforestation in the Amazon? docx, 24.88 KB. A concordant coastline produced by the geological structure of folds parallel to the coast. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Fetch length along with the wind speed (or strength) determines the size of waves produced. Geological structure is the characteristics and arrangement of rock units. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. Practice Questions: Slideshow 2773107 by chanel Coasts Revision Booklet. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. 1. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. 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. An explanation of the formation of the cove can be found on the right. A joint is a fracture of rock without movement from the original position, e.g. Discordant coastline . The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. Along the coastline of Dorset, there are concordant and discordant coastlines. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. Correct! 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. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. This happened over about 1000 years, (very rapid) and submerged coastlines. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Sustainable development in the desert The Great Green Wall. What is a discordant coastline? GCSE and A Level Geography Revision. These coastlines may lead to the formation of either Dalmatia landforms or Haffs (also called lagoons). On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Will you pass the quiz? Coastlines of Emergence. Awesome, well done! 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 . Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. Why Is Biodiversity Critical To Life On Earth? You need to do some work on landforms of coastal erosion. Destructive waves are usually very high, over 1m. If you have, then you've been to a coast and walked along a coastline. 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. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? . Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Aqa. Stop procrastinating with our study reminders. The discordant coastline runs from The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. You know your landforms of coastal erosion. Paisajes. It has a variety of other micro-features and a unique geology. How can the impacts of climate change be managed? A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Water quality and pollution management in the UK. 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. Set individual study goals and earn points reaching them. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Waves move up and down there is no horizontal movement. Concordant and discordant coastlines. Concordant coastlines tend to have fewer bays and headlands. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. Weathering and mass movement in river valleys. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. concordant and discordant coastlines bbc bitesize. 1. 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 . What does scenery formed by erosion look like? May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. caused by the shrinkage of igneous rock as it cools. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. This results in the formation of headlands and bays. 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. Along the coastline of Dorset, there are concordant and discordant coastlines. 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). Discordant coastline . The three marine processes that shape the coastline are erosion, transportation, and deposition. Caves, Arches, Stacks and Sumps 3. These form where deposition produces unconsolidated geological structures parallel to the coastline.
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