How can we increase the amount of food produced globally? What challenges have been caused by urban growth in Mumbai? As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Awesome, well done! The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. (bands) of hard rock and soft rock; many bays and headlands. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. Use the images below to explore related quizzes. 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 . Caves occur when waves force their way into cracks in the cliff face. One of the topics looked at in GCSE Geography is the features that are found on a coastline. 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. . Water quality and pollution management in the UK. How did the temperate deciduous woodland get like this? Which type of underlying geology is most likely to be formed into straight cliffs? than in summer. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Concordant coastline 2. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. The concordant coastline runs from west to east along the south coast. 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. Concordant coastline. Nie wieder prokastinieren mit unseren Lernerinnerungen. Landforms in the middle course of a river. They are also called spilling or surging waves. Case studies Dorset Jurassic coast and Holderness. Over 10 million students from across the world are already learning smarter. What feature is left behind as the cliff retreats? As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. A wave-cut notch is created by erosional processes such . It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. What is the role of transnational companies in Nigeria? What is the impact of humans on the Taiga? Create the most beautiful study materials using our templates. Discordant. The coastal engineering for the shoreline protection involves: . Each process can produce several coastal features; however, they often work together to sculpt the coastlines. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. 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. What is the distance between trough and crest called? Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Find out more about concordant coastlines. Coastlines also help us demarcate international boundaries. 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. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. Categories . Great Ocean Road, Australia. Landscapes. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. False! B Gradually the . It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. 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. Approximately 40% of all people live within 100km of a coastline. Shake Hands With Beef Girl, Coasts Revision Booklet. Key Question: What are the different landforms of the Jurassic Coast? These will be exam question style ranging from 4, 6 and 9 mark questions. As we mentioned earlier, this tends to shift the coastline further inland. Destructive waves are usually very high, over 1m. How has the growth of Lagos caused inequality? If you have, then you've been to a coast and walked along a coastline. Destructive waves are usually . (For example the south or the Dorset coast) . A famous example of a coastline. About 40% of the global population lives within 100km of a coastline. Coastlines will expand as climate change continues. lulworth cove concordant coastline. How do weather and climate affect river landscapes? In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. concordant and discordant coastlines bbc bitesize. What are the differences in global calorie intake and food supply? Aqa. They have low energy and an elliptical orbit. What is the structure of the tropical rainforest? Correct! As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. A concordant coastline comprises bands of different rock types that run parallel to the shore. They have a mainly circular orbit, a steep gradient. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Bonding between rocks either side of the plane is weaker than bonding within strata. If you've been to the beach, you've been to a coastline! (8) Coasts - Grade Booster Geog' Clips Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. The process of erosion can create different landforms along the coastline. Have all your study materials in one place. Key Question: What are the different landforms of the Jurassic Coast? A discordant coastline occurs where bands of different rock type run perpendicular to the coast. a headland separated by two bays. They are more common in winterthan in the summer. Humans, too, could almost be classified as a coastal species! Concordant and discordant coastlines. Chesil Beach in Dorset was formed this way. The low-energy wave spills into the bays as . Use the resources provided to write notes that Wave Refraction and Coastal Defences. Bay and headland - Durdle Door, Dorset. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Some concordant coasts have long, narrow islands running parallel to the coastline. This differential erosion creates headlands and bays along discordant coastlines. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. As erosion processes take place, the clay erodes away quicker than the. The UK's coastline is 31,368 km long (if you include all the main islands). In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. A concordant coastline is where the same rock runs along the length of the coast. What factors influence the effects and response to tectonic activity? On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. 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. Protection of cold environments as wilderness areas. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. What are the social and economic opportunities associated with the growth of Rio? Bits of rock and sand that the waves have picked up are thrown against the cliff face. Long spits of sands run parallel to the low coast, enclosing the coast. pg. The process begins with seawater hitting on the coastline. 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 concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. How has urbanisation helped Nigeria to develop? Extended writing tasks 2 a half term. Concordant Coasts . Faulting is the fracturing of rock with movement from its original position. During a storm, the most common waves are destructive. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. Practice Questions: Slideshow 2773107 by chanel coastlines. The significance of food, water and energy, An overview of global inequalities in the supply and consumption of resources, Carbon footprints, food miles and moves towards local sourcing of food. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. What is migration and why do people migrate? Introduction to the location of the Delta. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Everything you need for your studies in one place. These form where deposition produces unconsolidated geological structures parallel to the coastline. Take a look at our resources under Topics in the menu at the top of the page. 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. Under 5's Football Coaching Drills, The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. Correct! Paisajes. 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 ). There are four processes involved in the eroding coastlines. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. They are most common where fetchis short. Dip is the angle of inclination of titled strata. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. 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. Soft engineering: Beach nourishment is a type of soft approach. The low-energy wave spills into the bays as . 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. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. formed by the erosion of less resistant Wealden Clays. They have a. gradient, typically under . The sea attacks a weakness in the base of the cliff. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. a ks3 unit work consisting of 7 complete lessons covering coasts: lesson 1 - introduction to uk physical landscapes lesson 2 - characteristics of ocean waves lesson 3 - erosion and geology lesson 4 - erosional landforms lesson 5 - transport and deposition lesson 6 - weathering and mass movement lesson 7 - coastal management decision making task Small particles are carried along by the water. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. What are the economic and environmental issues of energy production? Where do volcanoes and earthquakes happen? pptx, 1.58 MB. Both concordant and discordant. Or built a sand castle next to the waves? Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. The processes have been operating over the last 8000 years. The differing resistance to erosion leads to the formation of headlands and bays. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. They form as a ledge of bedrock left behind as the dliff retreats. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. As our Earth warms, glaciers melt, causing the sea level to rise. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. These act as agents of erosion because their . The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. Concordant coastlines tend to have fewer bays . What is the highest point of a wave called? In some cases it is estimated that there was a rise . PBworks / Help The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. Why are deserts located along the tropics? The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. A concordant coastline is an arrangement of rock strata along the coastline. This. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. Ways destructive waves destroy the coastline . Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. 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 angle these bands make with the coastline makes it either a concordant or discordant coastline. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. Image. Soft engineering: Beach nourishment is a type of soft approach. Specification and other support materials for teachers, including delivery guides Explore. As Thor says, not bad at all. In some cases it is estimated that there was a rise . Not surprisingly, destructive waves destroy beaches. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. A concordant coastline has the same type of rock. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. Start studying BBC Geography Bitesize: Coastal Processes. The Jurassic Coast begins at Orcombe . 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. Chucky Trill Net Worth 2020. Teacher. Did you know? Add in the missing words. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? Discordant These are where rock strata or structures are aligned at an angle to the coastline. If the direction of the classification is not the same . The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. The sea has broken through this barrier and easily eroded the clays behind it. Which of the following are associated with discordant coastlines? Named after the Dalmatia region on the Adriatic Sea. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. The relative resistance of rock types influences the degree of indentation of bays. 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. You don't have permission to comment on this page. Links to wider reading and an introductory video. The differing resistance to erosion leads to the formation of headlands and bays. Where are polar and tundra environments located? Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. 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. 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. When the auto-complete results are available, use the up and down arrows to review and Enter to select. You need to do some work on landforms of coastal erosion. As the wave breaks, it carries material up the beach in its swash. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Erosion. 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 ). Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. How has the vegetation in the temperate deciduous forest adapted to the climate? The part of the wave in the deeper water moves forward faster causing the wave to bend. What is the difference between a tornado and a hurricane? However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. Pebble sized particles are bounced along the river bed/sea by the force of the water. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). There are four major types of coastlines: emergent, submergent, discordant, and concordant. Fig. 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. They have a low gradient, typically under one meter in height. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. Coastal Erosion. 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. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. Coasts are shaped by the processes of erosion, transportation and deposition. Stop procrastinating with our smart planner features. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Why is there a trend towards agribusiness? What is the impact of humans on the savanna? What are active, dormant and extinct volcanoes? Why Is Biodiversity Critical To Life On Earth? What challenges are associated with the growth of Rio? At points where the Portland is weaker, erosion hasbroken through and then rapidly eroded out the softer strata laterally, creating a series of coves, e.g. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. The three major coastal processes include erosion, transportation and deposition. International migration from Syria to Europe, Japan A country with a high dependent population. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. Numerous plants and animals have adapted to live along coastlines. How have animals adapted to the rainforest environment? Fjords are created when glaciers cut through valleys and are submerged. Selenium Deficiency In Baby Goats, guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. - Internet Geography What is a concordant coastline? On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Shaping our coasts. 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. The warmer climate that followed melted much of the ice. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). While discordant coastlines have bands of different rock types running perpendicular to the coast, concordant coastlines have bands of similar rock types running parallel (alongside) to the coast. This belongs to: _____. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Sediment Cells. concordant coastlines. 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). 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 discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Explain the process of longshore drift (3) Coasts - Grade Booster. 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). over 1m. What is the impact of humans on the temperate deciduous woodland? StudySmarter is commited to creating, free, high quality explainations, opening education to all. Geological structure is the characteristics and arrangement of rock units. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Can the risks of volcanic eruptions be reduced? 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). Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. Today. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . (For example the south or the Dorset coast) . Waves in the middle of the bay, where the water is deeper, do not lose velocity as . Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Many of our major cities have developed along oceanic coasts as well: think of New York City, Tokyo, Istanbul, Dubai, Hong Kong, and Copenhagen, just to name a few! This quiz focusses in particular on those features which are caused by coastal erosion. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . 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. 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. Concordant or conformable, when referring to plutonic bodies, indicates that the intruding magma of sills and laccoliths lies parallel to rather than cutting across country strata, as do discordant structures such as veins, dikes, bysmoliths, and batholiths.
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