concordant and discordant coastlines bbc bitesize

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Protection of cold environments as wilderness areas. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . 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. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. They have a mainly circular orbit, a steep gradient. 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. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. This results in the formation of headlands and bays. How reliable are economic indicators of development? Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). . These are where rock strata or structures are aligned at an angle to the coastline. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. The cove is located in a South West England County known as Dorset that is found along the English Channel. Corrosion is also known as solution. What factors affect population density and distribution? The Jurassic Coast begins at Orcombe . ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. Erosion. A concordant coastline diminated by limestone in the map has the same type of rock along its length. The sea attacks a weakness in the base of the cliff. Key Question: What are the different landforms of the Jurassic Coast? This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. True or False: As sea levels rise, coastlines are likely to expand. This means that these waves transport beach material back into the sea, lowering the height of a beach. For example, this could be a joint in chalk. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. 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 ). Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. There are two special types of submerged coastlines: ria coasts and fjord coasts. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - pg. of the users don't pass the Coastlines quiz! The fetch, often called the fetch length, is the length of water over which a given wind has blown. Some concordant coasts have long, narrow islands running parallel to the coastline. Waves interact with land through three major marine processes: erosion, transportation, and deposition. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. Subsequently there was an increase in the waters of the oceans and the sea level rose appreciably. They are most common where fetchis short. Wave Refraction and Coastal Defences. How has the vegetation in the temperate deciduous forest adapted to the climate? Lulworth Cove has occurred on a concordant coastline. 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. Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. Soft engineering: Beach nourishment is a type of soft approach. Jamaica Case Study, How can the growth of tourism reduce the development gap? This process. South Dorset Coast 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 . These waves are also known as plunging waves. Concordant. Erosion worsens as the waves becomes stronger. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. The more the waves crash onto the beach, the more sediment is washed out to sea. 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. dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam Historic records indicate that over 250 m of land were lost between 1600 and 1850. Coasts can be classified in a variety of . Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. concordant and discordant coastlines bbc bitesize. South Dorset Coast 1. caused by the shrinkage of igneous rock as it cools. If the direction of classifications is the same, the pairs are concordant. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. The sea has broken through this barrier and easily eroded the clays behind it. Weathering and mass movement in river valleys. It can be reached at low tide by walking from the mainland. What is the distance between trough and crest called? geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. These act as agents of erosion because their . This quiz focusses in particular on those features which are caused by coastal erosion. They are most common where .. is short. Concordant coastlines tend to have fewer bays and headlands. Landscapes. Key Question: What are the different landforms of the Jurassic Coast? -Erode the coast-Short wave length, high and steep. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. For example, both X and Y rate item 1 higher than item 2. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. 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 . Sediment Cells. 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. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Stop procrastinating with our smart planner features. The differing resistance to erosion leads to the formation of headlands and bays. The concordant coast may take one of two landform types. But do they serve as anything more than a place to go for a hike or a tan? The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. Specification and other support materials for teachers, including delivery guides Explore. 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. Set individual study goals and earn points reaching them. Case studies Dorset Jurassic coast and Holderness. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Or built a sand castle next to the waves? Fetch length along with the wind speed (or strength) determines the size of waves produced. Consequently headlands . Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. A concordant coastline comprises bands of different rock types that run parallel to the shore. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. 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. 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. 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. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. Bull's Head in St Oswald's Bay. Bonding between rocks either side of the plane is weaker than bonding within strata. 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. The part of the wave in the deeper water moves forward faster causing the wave to bend. Named after the Dalmatia region on the Adriatic Sea. Gcse Geography Revision. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Safe access points to the shoreline at several points around the edge. chalk) . These coves are formed by waves breaking through an outer layer of hard rock, such as limestone, and then, over time, the waves sweep away the soft rock further inland, like sand and clay, creating a cove. https://commons.wikimedia.org/wiki/File:Lulworth.png. BBC Bitesize. 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. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. Destructive waves are usually very high, over 1m. Their wavelength is .and a.. frequency (8-10 waves per minute). Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Bays and headlands are common features along discordant coastlines. than in summer. (BBC, 2006). The Earth has around 620,000 kilometres (390,000 mi) of coastline. Both concordant and discordant. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. It has a discordant coastline along the east and concordant coastline along the south. 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? Which landforms result from moving or melting ice? Touch device users . Did you know? The UK's coastline is 31,368 km long (if you include all the main islands). These processes are happening constantly and usually work in conjunction to produce coastal features. This is called a discordant coastline. discordant coastlines. 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). Their wavelength is long and a low frequency (8-10 waves per minute). Economic opportunities and challenges in Lagos. Concordant coastline 2. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. 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. What is the role of transnational companies in Nigeria? What are the different types of weathering? Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. Jaden Agassi Mlb Draft 2021, 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. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Insert links to other pages or uploaded files. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Discordant coastline . During a storm, the most common waves are destructive. 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. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Copyright2007 - 2023 Revision World Networks Ltd. Caves occur when waves force their way into cracks in the cliff face. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. 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. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. If you've been to the beach, you've probably seen some of them: mangrove trees and hermit crabs, penguins and sea oats- organisms that can neither fully survive way out at sea, nor venture too far inland. A concordant coastline. The net result is that the sediment gets smaller and smaller over time. How has urbanisation helped Nigeria to develop? Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. Click To Play 1. 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 . Why Is Biodiversity Critical To Life On Earth? Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. . The outer hard rock is Portland limestone. 0. lulworth cove concordant coastline. Landforms in the middle course of a river. At the mouth of the River Oder near Szczecin, Stettiner Haff formed where sand ridge connected islands, leaving river to emerge through three narrow outlets. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. The differing resistance to erosion leads to the formation of headlands and bays. (bands) of hard rock and soft rock; many bays and headlands. Soluble materials dissolve in water and are carried along. 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. Links to wider reading and an introductory video. What challenges have been caused by urban growth in Mumbai? The United Nations uses coastlines to help determine international boundaries at sea. What are the social and economic opportunities associated with the growth of Rio? The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. The differing resistance to erosion leads to the formation of headlands and bays. A famous example of a coastline. Concordant coastline Uncordant coastline Variable coastline 8. concordant and discordant coastlines bbc bitesize Call us (+254) 722 22 99 44 Email polucon@polucon.com Our Laboratories Nairobi & Mombasa washington sports club glover park Home Services concordant and discordant coastlines bbc bitesize Micro-Biology Services Agri - Services Instrumentation Division Environment Division Petroleum Division 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. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Gradually the material is moved along the coastline, its . Create and find flashcards in record time. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Economic losses to businesses if areas become unattractive and depopulated. Earn points, unlock badges and level up while studying. Straight coastline now formed by a concordant band of constant chalk. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. More resistant strata erode only slowly, and are left projecting into the sea as headlands. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. Which of the following is NOT a major process through which waves shape the coast? We use cookies to ensure that we give you the best experience on our website. The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. She is cooler than I am and has a life instead of enough time to make this. 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. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. Dip is the angle of inclination of titled strata. Whenever you search in PBworks, Dokkio Sidebar (from the makers of PBworks) will run the same search in your Drive, Dropbox, OneDrive, Gmail, and Slack. 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. Human actions and Physical factors affecting the Delta. A coastline with the same type of rock along its length; fewer bays and headlands. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. The water. A submergent coastline is a coastline that has submerged below the water. It has a variety of other micro-features and a unique geology. Caves, Arches, Stacks and Sumps 3. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Wrong! These coastlines may lead to the formation of either Dalmatia landforms or Haffs (also called lagoons). Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. How has the growth of Lagos caused inequality? Awesome, well done! Bits of rock and sand that the waves have picked up are thrown against the cliff face. Correct! 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. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. The bands of soft rock, such as sand . However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. A concordant coastline is an arrangement of rock strata along the coastline. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. formed by the erosion of less resistant Wealden Clays. Two Earthquakes Compared Nepal and LAquila, Lombok Indonesia Earthquake 2018 Case Study, 2018 Sulawesi Indonesia Earthquake and Tsunami Case Study. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. Okay, now we know what coastlines are. The differing resistance to erosion leads to the formation of headlands and bays. What is Nigerias location and importance? These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. Either way, there is now a (bit of) coastline that is no longer submerged under water. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. Geology [ edit] 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. Share 5.1K views 2 years ago This video explains the difference between a concordant and discordant coastline, including the coastal landforms that occur along each and the geological. Select all that apply. 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. GCSE 9-1 Coasts: Erosional Landforms Bundle. A wave-cut notch is created by erosional processes such . True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. This differential erosion creates headlands and bays along discordant coastlines. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. What are shanty town improvement schemes? Originally a band of resistant Portland . How far out to territorial waters extend from the coast (or baseline)? The coastline determines everything. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. pptx, 1.58 MB. Add in the missing words. 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 . A concordant coastline is an arrangement of rock strata along the 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). 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 . Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. The discordant coastline runs from Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . 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.

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