GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. The shape of the cove is the result of wave diffraction. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. The concordant coastline runs from west to east along the south coast. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. Not surprisingly, destructive waves destroy beaches. Weathering and mass movement in river valleys. 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 . The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Within geography, the definition of a coastline is the area where land meets water. Why are deserts located along the tropics? These processes are happening constantly and usually work in conjunction to produce coastal features. The coast is the border between the land and the sea. These are where rock strata or structures are aligned at an angle to the coastline. Strata are different layers (or beds) of rock. How did the temperate deciduous woodland get like this? The bands of soft rock, such as sand . B Gradually the . A concordant coastline. What is the Demographic Transition Model? Discordant These are where rock strata or structures are aligned at an angle to the coastline. Human and physical factors causing river flooding. Originally a band of resistant Portland . The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). Lulworth Cove is a classic example of a 'concordant coast' - i.e. A concordant coastline is where the same rock runs along the length of 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. What are Mumbais social and economic opportunities? Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. in height. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. Have all your study materials in one place. These Dalmatian types normally occur . pptx, 1.58 MB. These will be exam question style ranging from 4, 6 and 9 mark . Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. 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? 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. Extended writing tasks 2 a half term. a headland separated by two bays. Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. Concordant coastlines tend to have fewer bays and headlands. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. It's a way of having all my information in one place. Reasons for Protecting Dawlish Warren: 1. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Aqa. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. Erosion. Waves interact with land through three major marine processes: erosion, transportation, and deposition. (For example the east of the Dorset coast) How Geology affects the coast . This happened over about 1000 years, (very rapid) and submerged coastlines. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Caves, Arches, Stacks and Sumps 3. This means that these waves transport beach material back into the sea, lowering the height of a beach. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. Start studying BBC Geography Bitesize: Coastal Processes. The differing resistance to erosion leads to the formation of headlands and bays. As Thor says, not bad at all. Discordant coastline . weathering. 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 A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. Their wavelength is .and a.. frequency (8-10 waves per minute). than in summer. Hydraulic action, attrition, abrasion, and corrosion. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. 0. lulworth cove concordant coastline. Pinterest. How are Nigerias trading and political relationships changing? Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. A coastline is anywhere where the land meets the water. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. As a wave undercuts a cliff the cliff retreats. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. The UK's coastline is 31,368 km long (if you include all the main islands). Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. . While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. The concordant coastline runs from west to east along the south coast. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The coastal engineering for the shoreline protection involves: . PSYCHIC TWINS . They are also called spilling or surging waves. Add in the missing words. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. But, let's be honest, it's not brilliant. Erosion worsens as the waves becomes stronger. 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. The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. Specification and other support materials for teachers, including delivery guides Explore. over 1m. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. They have a. gradient, typically under . Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. 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 Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. The geology of the Isle is complex. As we mentioned earlier, this tends to shift the coastline further inland. Concordant. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. . 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). The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. How far out to territorial waters extend from the coast (or baseline)? On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. Emergent Coastlines. Landforms in the middle course of a river. Or in other words, these types of coastlines have the same type of rock all along its length. Concordant Coasts . B Gradually the . The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. It's a way of having all my information in one place. Emergent Coastlines. Approximately 40% of all people live within 100km of a coastline. Correct! True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. Key Question: What are the different landforms of the Jurassic Coast? BBC Bitesize. coastlines. Consequently headlands . GCSE and A Level Geography Revision. The coastline determines everything. The Jurassic Coast begins at Orcombe . BBC Bitesize Geoguessr Google Maps Gapminder . Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). 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. Destructive waves are usually very high, over 1m. 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. Adapted from BBC. Pinterest. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. Coastlines will expand as climate change continues. Lulworth Cove has occurred on a concordant coastline. What challenges have been caused by urban growth in Mumbai? The geology of the Isle is complex. Where the rock outcrops run parallel to the sea. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Geology is the study of the types of rocks that make up the Earth's crust. What feature is left behind as the cliff retreats? True or False: Concordant coastlines form coves. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. The process begins with seawater hitting on the coastline. UK Sediment Cells Source: Scool. As our Earth warms, glaciers melt, causing the sea level to rise. The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. https://commons.wikimedia.org/wiki/File:Lulworth.png. They are more common in winterthan in the summer. Destructive waves are usually . 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. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. $14 million dollar house maine; The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Nie wieder prokastinieren mit unseren Lernerinnerungen. Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. A concordant coastline comprises bands of different rock types that run parallel to the shore. How has rainforest vegetation adapted to the climate? Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. Along the coastline of Dorset, there are concordant and discordant coastlines. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Wrong! Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. 2. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. How do weather and climate affect river landscapes? True or False: As sea levels rise, coastlines are likely to expand. The sea has broken through this barrier and easily eroded the clays behind it. The gradual breakdown of rocks due to . As a result of the coastal feature, the depth of water around a coast varies. You don't have permission to comment on this page. Today. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. A fjord coast hosts multiple fjords. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. -Erode the coast-Short wave length, high and steep. 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 . 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). The swash of a destructive wave is much weaker than its backwash. Concordant coastlines tend to have fewer bays and headlands. Dip is the angle of inclination of titled strata. 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 results are deep, lengthy, thin inlets surrounded by high cliff faces. Create your own unique website with customizable templates. Tunisia Case Study. The coast is very young due to recent ice ages and resulting sea level change. Less resistant rocks are eroded more than the resistant . For example the Neman Haff behind the bar running from the Kaliningrad in Russia to the Lithuanian coast at the mouth of the river Neman. concordant coastlines. These act as agents of erosion because their . The coastal environment of the world is made up of a wide variety of landforms manifested in a spectrum of sizes and shapes ranging from gently sloping beaches to high cliffs, yet coastal landforms are best considered in two broad . 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 . This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. The following are facts about destructive waves. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. What are the physical characteristics of cold environments? How reliable are economic indicators of development? May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Safe access points to the shoreline at several points around the edge. Spanning 243 kilometers along Australia's southeastern coast from Torquay to Allansford, the Great Ocean Road is one of the world's most scenic coastal routes. e.g. Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . Erosion worsens as the waves becomes stronger. 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. 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. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. 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 . However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Long spits of sands run parallel to the low coast, enclosing the coast. What are the air masses that affect the UK? Bull's Head in St Oswald's Bay. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . The hard rock shields the soft rock from erosion. . . The water. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. There are different bands of rock that have shaped this discordant coastline, namely: Fig. They have a low gradient, typically under one meter in height. How have plants adapted to cold environments? The discordant coastline runs from 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 . They are more common in . Coasts can be classified in a variety of . A unique coastline within the UK is Lulworth Cove in Dorset. If you continue to use this site we will assume that you are happy with it. Use the images below to explore related quizzes. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. 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. Key Question: What are the different landforms of the Jurassic Coast? Barton-on-Sea, in particular, is a well-known place to study coast erosion and sea-defence work, some successful, some partly successful, and some failed. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . Quick revise. Gone surfing? Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . - Internet Geography What is a concordant coastline? discordant coastlines. 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 . A coastline with the same type of rock along its length; fewer bays and headlands . material at the coast and in a river. These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. There are four major types of coastlines: emergent, submergent, discordant, and concordant. They are most common where fetchis short. Over time, waves beating against the shore will wear it down (or erode it). Explain the process of longshore drift (3) Coasts - Grade Booster. Click To Play 1. What are the effects of economic development in Nigeria on quality of life? Can the risks of volcanic eruptions be reduced? But do they serve as anything more than a place to go for a hike or a tan? A coastline with the same type of rock along its length; fewer bays and headlands. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. Soft engineering: Beach nourishment is a type of soft approach. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Concordant and discordant coasts . Headlands and bays Cliffs along the coastline do not erode at the same pace. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Specifically looking at the differences between concordant and discordant coastlines. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. Now you can find what you're looking for wherever it lives. 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. This happened over about 1000 years, (very rapid) and submerged coastlines. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year.
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