A wave-cut notch is created by erosional processes such . The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. How has rainforest vegetation adapted to the climate? Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. The geology of the Isle is complex. Find out more about concordant coastlines. The water. Upload unlimited documents and save them online. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. How have plants adapted to cold environments? . (bands) of hard rock and soft rock; many bays and headlands. The hard rock shields the soft rock from erosion. The sea attacks a weakness in the base of the cliff. The three major coastal processes include erosion, transportation and deposition. How have animals adapted to cold environments? What are the environmental impacts of economic development in Nigeria? Concordant. Type # 1. Wave Refraction and Coastal Defences. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . What is Nigerias location and importance? The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . True or False: As sea levels rise, coastlines are likely to expand. Full lesson covering the different types of erosion and geology along the coast. 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. They are most common where .. is short. Fjords are created when glaciers cut through valleys and are submerged. A concordant coastline diminated by limestone in the map has the same type of rock along its length. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. 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). UK Sediment Cells Source: Scool. Correct! The fetch, often called the fetch length, is the length of water over which a given wind has blown. Concordant coastline 2. Economic opportunities and challenges in Lagos. 2: Durlston headland and bay (https://en.wikipedia.org/wiki/File:Durlston_bay_from_durlston_castle.jpg) by Jim Champion (https://commons.wikimedia.org/wiki/User:JimChampion) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en), Fig. In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . These processes are happening constantly and usually work in conjunction to produce coastal features. Erosion worsens as the waves becomes stronger. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Within geography, the definition of a coastline is the area where land meets water. Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. What are the three processes that shape the coastline? Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Headlands and Bays 2. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. Erosion worsens as the waves becomes stronger. Gradually the material is moved along the coastline, its . What feature is left behind as the cliff retreats? Under 5's Football Coaching Drills, A wave-cut notch is created by erosional processes such . A concordant coastline is where the same rock runs along the length of the coast. How is urban planning improving the quality of life for the urban poor in Mumbai? Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Which of the following is NOT typically found in a coastal ecosystem? What are the impacts of industry on the physical environment? 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. e.g. . Which landforms result from moving or melting ice? Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. Even London is built along the River Thames, which flows into the North Sea. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. Everything you need for your studies in one place. 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. But, let's be honest, it's not brilliant. Joints,Dips and Faults in terms of rocks. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. In some cases it is estimated that there was a rise . Awesome, well done! It's a way of having all my information in one place. Introduction to the location of the Delta. 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. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. Bay and headland - Durdle Door, Dorset. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. material at the coast and in a river. The concordant coastline runs from west to east along the south coast. 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. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. Specifically looking at the differences between concordant and discordant coastlines. Originally a band of resistant Portland . Approximately 40% of all people live within 100km of a coastline. PBworks / Help Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. What is the structure of the tropical rainforest? 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. The concordant coast may take one of two landform types. 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 . concordant and discordant coastlines bbc bitesize. What are the economic and environmental issues of energy production? Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. The shifting coastlines can impact freshwater resources near the coasts by creating brackish mixtures, and can also pose an obvious danger to infrastructure built directly along the coast. 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 . Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. The outer hard rock is Portland limestone. Sediment Cells. Fig. Destructive waves are usually . As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . Concordant coastlines tend to have fewer bays . Create flashcards in notes completely automatically. What are shanty town improvement schemes? geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. A concordant coastline. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Water quality and pollution management in the UK. Wrong! 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. shale), eroding quicker than the hard, resistant rock (e.g. Learn vocabulary, terms, and more with flashcards, games, and other study tools. There are two special types of submerged coastlines: ria coasts and fjord coasts. The cove is located in a South West England County known as Dorset that is found along the English Channel. B Gradually the . 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. A famous example of a coastline. 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). Which type of underlying geology is most likely to be formed into straight cliffs? This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. 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 . On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. It has a variety of other micro-features and a unique geology. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Erosion. Create and find flashcards in record time. 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. Categories . What does scenery formed by erosion look like? South Dorset Coast 1. 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. Type # 1. These will be exam question style ranging from 4, 6 and 9 mark questions. They have a mainly circular orbit, a .. gradient. Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. Safe access points to the shoreline at several points around the edge. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around 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. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. It remains England's only natural World Heritage Site. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. How can the impacts of climate change be managed? The coastal engineering for the shoreline protection involves: . The length of perimeter approx 2km. Caves occur when waves force their way into cracks in the cliff face. coastlines. . The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. 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. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. There are rias throughout the world, including Poole Harbour in Dorset. We use cookies to ensure that we give you the best experience on our website. Where the rock outcrops run parallel to the sea. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Geology.

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