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Select all that apply. The relatively gentle profile of the beach with a steep ridge at the top of the beach means that the backwash soaks into the sand or slowly drains away. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. Create and find flashcards in record time. The UK's coastline is 31,368 km long (if you include all the main islands). The coastal engineering for the shoreline protection involves: . It is one of the best examples in Europe of the stages of erosion on a concordant coastline. Unique access to harvest all resources within the EEZ, including fishing and fracking. The site is self-funded and your support is really appreciated. Limestone Case Study Malham, The Yorkshire Dales. Many of the major cities built directly along coastlines, such as New York City and Tokyo, will be forced to develop solutions that counter rising sea levels or else abandon waterfront infrastructures and construct further inland. It has a variety of other micro-features and a unique geology. But do they serve as anything more than a place to go for a hike or a tan? starter: Students examine the picture and discuss what is happening to the houses and why. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Start studying BBC Geography Bitesize: Coastal Processes. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Straight coastline now formed by a concordant band of constant chalk. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. They have a. gradient, typically under . What are they? True or False: As sea levels rise, coastlines are likely to expand. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. Concordant coastlines tend to have fewer bays and headlands. Have all your study materials in one place. Some concordant coasts have long, narrow islands running parallel to the coastline. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Paymaya Annual Report, As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. The water. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. 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 are shanty town improvement schemes? Did you know? Learn vocabulary, terms, and more with flashcards, games, and other study tools. How has urbanisation helped Nigeria to develop? The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. There are two special types of submerged coastlines: ria coasts and fjord coasts. Geology. 4: Formation of Lulworth Cove (https://commons.wikimedia.org/wiki/File:Lulworth.png) by Red (https://en.wikipedia.org/wiki/User:Red) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en). Distribution of earthquakes and volcanoes, Effects of earthquakes and volcanoes on people and the environment, Reducing the impacts of earthquakes and volcanoes, Population and settlement iGCSE Geography, The main causes of a change in population size, A country with a rate of high population growth China, A country which is over-populated Bangladesh, A country which is under-populated Australia, A country with a low rate of population growth or decline Japan. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. StudySmarter is commited to creating, free, high quality explainations, opening education to all. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. The shape of the cove is the result of wave diffraction. How is urban planning improving the quality of life for the urban poor in Mumbai? It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Emergent coastlines happen when either the water level has fallen or the land has risen. Full lesson covering the different types of erosion and geology along the coast. The concordant coast may take one of two landform types. Soft engineering: Beach nourishment is a type of soft approach. The length of perimeter approx 2km. Concordant. . If the direction of the classification is not the same . When the auto-complete results are available, use the up and down arrows to review and Enter to select. This process happens over thousands of years. 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. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. Coastlines also help us demarcate international boundaries. This is called a discordant coastline. Which type of underlying geology is most likely to be formed into straight cliffs? It remains England's only natural World Heritage Site. They are more common in . Historic records indicate that over 250 m of land were lost between 1600 and 1850. What is the impact of humans on the desert? A chalk cliff face is at the back of the cove. 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. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. 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. During a storm, the most common waves are destructive. What is migration and why do people migrate? Everything you need for your studies in one place. What are the effects of economic development in Nigeria on quality of life? Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. The gradual breakdown of rocks due to . The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. This results in the formation of headlands and bays. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. How can we increase the amount of food produced globally? The hard rock shields the soft rock from erosion. Explain the process of longshore drift (3) Coasts - Grade Booster. Rocks outcrop at right angles to the sea, forming headlands and bays. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . What is the highest point of a wave called? Introduction to the location of the Delta. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. 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, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email a link to a friend (Opens in new window), Click to share on WhatsApp (Opens in new window), Internet Geography Plus Terms and Conditions. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Two Earthquakes Compared Nepal and LAquila, Lombok Indonesia Earthquake 2018 Case Study, 2018 Sulawesi Indonesia Earthquake and Tsunami Case Study. 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). Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. They are also called spilling or surging waves. Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. 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. A concordant coastline is an arrangement of rock strata along the coastline. Less resistant rocks are eroded more than the resistant . The site is self-funded and your support is really appreciated. The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. Coastlines are formed through the processes of erosion, transportation, and deposition. Then when the wave retreats, the compressed air expands again. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Both concordant and discordant. The water. Stacks, headlands, bays, cliffs and wave-cut platforms are all included. Will you pass the quiz? Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Copyright2007 - 2023 Revision World Networks Ltd. (bands) of hard rock and soft rock; many bays and headlands. What are the air masses that affect the UK? The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. If you've found the resources on this site useful please consider making a secure donation via PayPal to support the development of the site. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. There are four processes involved in the eroding coastlines. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. This quiz focusses in particular on those features which are caused by coastal erosion. Which of the following are major types of coastlines? concordant and discordant coastlines bbc bitesize. 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 . As we mentioned earlier, this tends to shift the coastline further inland. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. If you've been to the beach, you've been to a coastline! You don't have permission to comment on this page. We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. True or False: Concordant coastlines form coves. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. What factors influence the effects and response to tectonic activity? North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. What are the different types of weathering? More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. It's a way of having all my information in one place. Concordant. What factors affect population density and distribution? The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. 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). This. 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. What are active, dormant and extinct volcanoes? In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. Where do volcanoes and earthquakes happen? Coasts are shaped by the processes of erosion, transportation and deposition. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. How Is Climate Change Impacting The Water Cycle. What is the difference between a tornado and a hurricane? What are the differences in global calorie intake and food supply? How has the growth of Lagos caused inequality? How does food insecurity affect the environment? The length of perimeter approx 2km. 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. Shaping our coasts. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Why Is Biodiversity Critical To Life On Earth? Create the most beautiful study materials using our templates. What challenges have been caused by urban growth in Mumbai? B Gradually the . A joint is a fracture of rock without movement from the original position, e.g. 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. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. Concordant and discordant coasts . Discordant coasts have a crenellated pattern of projecting headlands and indented bays. As erosion processes take place, the clay erodes away quicker than the. material at the coast and in a river. An explanation of the formation of the cove can be found on the right. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. A ria coast hosts multiple rias. Either way, there is now a (bit of) coastline that is no longer submerged under water. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . 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 . Their wavelength is .and a.. frequency (8-10 waves per minute). A coastline is anywhere where the land meets the water. full verbatim. 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 . The swash of a destructive wave is much weaker than its backwash. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. concordant coastlines. in height. There are four major types of coastlines: emergent, submergent, discordant, and concordant. 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. The part of the wave in the deeper water moves forward faster causing the wave to bend. You know your landforms of coastal erosion. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Specifically looking at the differences between concordant and discordant coastlines. Gradually the material is moved along the coastline, its . Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. Sediment Cells. The updated BBC Bitesize website has a great video on . This is called a discordant coastline. BBC Bitesize. What is the structure of the tropical rainforest? The differing resistance to erosion leads to the formation of headlands and bays. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. A concordant coastline diminated by limestone in the map has the same type of rock along its length. The Dorset Coast, located to the south of England on the English Channel, runs from Lymme Regis in the west, past Old Harry Rocks in Purbeck to Highcliffe in the east. Selenium Deficiency In Baby Goats, Sustainable development in the Temperate Deciduous Woodland. The Earth has around 620,000 kilometres (390,000 mi) of coastline. Create beautiful notes faster than ever before. BBC Bitesize Geoguessr Google Maps Gapminder . Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. 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. than in summer. 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 Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. Taking the low-water line along the coast (or, the baseline), UNCLAS put forth the following: Special exceptions apply to areas like straits, where ships can't help but pass through territorial waters. Case studies Dorset Jurassic coast and Holderness. 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. Concordant coastline 2. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . They have a mainly circular orbit, a .. gradient. Key Question: What are the different landforms of the Jurassic Coast? This belongs to: _____. 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? 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. 4 - the process of forming Lulworth Cove, Dorset, UK. concordant coastlines. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. The differing resistance to erosion leads to the formation of headlands and bays. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. The fetch, often called the fetch length, is the length of water over which a given wind has blown. This happened over about 1000 years, (very rapid) and submerged coastlines. PSYCHIC TWINS . Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. Gone surfing? These coastlines may lead to the formation of either Dalmatia landforms or Haffs (also called lagoons). What are the social and economic opportunities associated with the growth of Rio? What is the location and importance of Rio de Janeiro? Categories . weathering. How do weather and climate affect river landscapes? Shake Hands With Beef Girl, 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. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Add in the missing words. Which landforms result from moving or melting ice? A wave-cut notch is created by erosional processes such . Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. The differing resistance to erosion leads to the formation of headlands and bays. Concordant Coasts . Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. The net result is that the sediment gets smaller and smaller over time. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. These form where deposition produces unconsolidated geological structures parallel to the coastline. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Coastal Geology. 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. Teacher. Originally a band of resistant Portland . Bonding between rocks either side of the plane is weaker than bonding within strata. While not every UN member has ratified UNCLAS, most nations abide by it anyway. The Earth has around 620,000 kilometres (390,000 mi) of coastline. How is demand for energy changing in the UK? Learn vocabulary, terms, and more with flashcards, games, and other study tools. The bands of soft rock, such as sand . 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. formed by the erosion of less resistant Wealden Clays. Nie wieder prokastinieren mit unseren Lernerinnerungen. What problems are caused by global warming? Key Question: What are the different landforms of the Jurassic Coast? Economic opportunities and challenges in Lagos. (bands) of hard rock and soft rock; many bays and headlands. One of the topics looked at in GCSE Geography is the features that are found on a coastline. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. When a stretch of coastline is formed from different types of rock, headlands and bays can form. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. 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. Erosion worsens as the waves becomes stronger. -Erode the coast-Short wave length, high and steep. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. 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). Image. 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. Correct! Students will learn about different types of rock and will consider how resistance can affect rates of erosion. Why are deserts located along the tropics? A coastline with the same type of rock along its length; fewer bays and headlands . GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. How has demand for water in the UK changed? The amount of energy is dependent on the wind speed, the length of time the . The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Discordant and concordant coasts in Dorset. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. Not surprisingly, destructive waves destroy beaches. Test your knowledge with gamified quizzes. It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. Terms of use / Privacy policy / GDPR, About this workspace What does scenery formed by erosion look like? 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).