Aqa. Landscapes. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. chalk) . GCSE 9-1 Coasts: Erosional Landforms Bundle. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. What challenges are associated with the growth of Rio? Why is the Human Development Index important? Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. Within geography, the definition of a coastline is the area where land meets water. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. 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. What is the Demographic Transition Model? Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. What is the value of the tropical rainforest? An explanation of the formation of the cove can be found on the right. It's a way of having all my information in one place. (For example the east of the Dorset coast) How Geology affects the coast . Which type of underlying geology is most likely to be formed into straight cliffs? How have animals adapted to cold environments? The soft rock is made of clay and sands, and the hard rock is chalk and limestone. 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. 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. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. These Dalmatian types normally occur . A concordant coastline has the same type of rock. The water. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Or in other words, these types of coastlines have the same type of rock all along its length. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Waves move up and down there is no horizontal movement. Test your knowledge with gamified quizzes. The high degree of indentation of Bantry Bay is not solely influenced by the relative resistance of rock types, but also the orientation of strata SW-NE means that they directly face high energy Atlantic waves driven by the prevailing SW wind. How does geology affect the formation of river landforms? Have you ever gone for a stroll on a beach? Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Importance of the Delta for the region. Type # 1. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. in height. During a storm, the most common waves are destructive. 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. What is the difference between a discordant and concordant coastline This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. What factors affect population density and distribution? Economic losses to businesses if areas become unattractive and depopulated. 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. 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. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . 1. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Approximately 40% of all people live within 100km of a coastline. What is a discordant coastline? Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. Sediment Cells. . Where do volcanoes and earthquakes happen? On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. These will be exam question style ranging from 4, 6 and 9 mark questions. Sediment Cells. The water. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to 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). Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. 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. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. What are shanty town improvement schemes? Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. BBC Geography Bitesize: Coastal Processes Flashcards | Quizlet The outer hard provides a protective barrier to erosion of the softer rocks further inland. 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. Concordant coastlines tend to have fewer bays and headlands. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. Key Question: What are the different landforms of the Jurassic Coast? Emergent coastlines happen when either the water level has fallen or the land has risen. Concordant coastlines tend to have fewer bays and headlands. 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. Soluble materials dissolve in water and are carried along. guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. 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 Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Faulting is the fracturing of rock with movement from its original position. Headlands and bays can form on concordant coastlines too, as has happened . A unique coastline within the UK is Lulworth Cove in Dorset. than in summer. Both concordant and discordant. False! Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. PBworks / Help But do they serve as anything more than a place to go for a hike or a tan? Coastal Processes: Erosion, Transport and Deposition - Blogger Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. Now you can find what you're looking for wherever it lives. Coasts can be classified in a variety of . Wrong! What are the physical characteristics of cold environments? Importance of the Delta for the region. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. The Jurassic Coast begins at Orcombe . Waves interact with land through three major marine processes: erosion, transportation, and deposition. Economic opportunities and challenges in Lagos. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. Sign up to highlight and take notes. Concordant coastline - Wikipedia Why is there a trend towards agribusiness? Which of the following is NOT typically found in a coastal ecosystem? 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. - Internet Geography What is a concordant coastline? It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? Introduction to the location of the Delta. About 40% of the global population lives within 100km of a coastline. docx, 24.88 KB. The UK's coastline is 31,368 km long (if you include all the main islands). How did the temperate deciduous woodland get like this? Key Question: What are the different landforms of the Jurassic Coast? A concordant coastline is where the same rock runs along the length of the coast. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. Concordant coastline 2. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. The Holderness coastline - Coolgeography.co.uk Corrosion is also known as solution. 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. The fetch, often called the fetch length, is the length of water over which a given wind has blown. What is a discordant coastline? The differing resistance to erosion leads to the formation of headlands and bays. 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. Lulworth . Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Discordant and Concordant Coastlines GCSE Geography A Level - YouTube Bonding between rocks either side of the plane is weaker than bonding within strata. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. material at the coast and in a river. 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. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. Historic records indicate that over 250 m of land were lost between 1600 and 1850. How do changes affect the balance of an ecosystem? What are the air masses that affect the UK? English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . They have a mainly circular orbit, a .. gradient. 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. Summer 2 Emerging economies: Asia Studying the emergence of economies in Asia known A concordant coastline is an arrangement of rock strata along the coastline. UK Sediment Cells Source: Scool. The outer layers of the coastline, those directly on the waterline, are Portland and Purbeck limestone, and they have been eroded away over many years. This is called a discordant coastline. The three major coastal processes include erosion, transportation and deposition. The processes have been operating over the last 8000 years. Concordant Coasts . Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. Consequently headlands . 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. Case study - coastal landforms: Dorset coastline - BBC Bitesize How has rainforest vegetation adapted to the climate? In places such as Worbarrow Bay and St Oswald's Bay, lateral widening of coves led to them joining into a single bay, with remnants of the outer Portland left as a line of stumps parallel to the coast, e.g. What is the impact of humans on the savanna? A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Have all your study materials in one place. The cove is located in a South West England County known as Dorset that is found along the English Channel. Human and physical factors causing river flooding. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. How does food insecurity affect the environment? The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Coastal. As Thor says, not bad at all. 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! 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 Time for Geography | Home A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. What are active, dormant and extinct volcanoes? geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. discordant coastlines. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. Protection of cold environments as wilderness areas. 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 . Unique access to harvest all resources within the EEZ, including fishing and fracking. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. Shingle ridge reconnected island of Portland Bill to land (a tombolo). 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. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. StudySmarter is commited to creating, free, high quality explainations, opening education to all. The part of the wave in the deeper water moves forward faster causing the wave to bend. Caves occur when waves force their way into cracks in the cliff face. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Why are deserts located along the tropics? The three major coastal processes include erosion, transportation and deposition. concordant and discordant coastlines bbc bitesize. Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . Concordant and discordant coastlines. What does scenery formed by erosion look like? We use cookies to ensure that we give you the best experience on our website. 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. 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. Even London is built along the River Thames, which flows into the North Sea. Give the quiz another go and don't forget to read up on this area by heading over to our coasts resources using the topics link at the top of the page. Discordant These are where rock strata or structures are aligned at an angle to the coastline. As the wave approaches the coast, it gains height and drops onto a steep beach. Tunisia Case Study. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Concordant coastline. Adapted from BBC. (bands) of hard rock and soft rock; many bays and headlands. 8. A concordant coastline is an arrangement of rock strata along the coastline. the same rock types are parallel to the coastline, with alternating bands of different rock types running parallel to the coastline behind it (as opposed to a 'discordant coastline' where the rock types are perpendicular to the coastline, presenting differing rock types to the sea along the coastline). Select all that apply. . How Is Climate Change Impacting The Water Cycle. There are 3 main groups of coastal features which result from coastal erosion: 1. Coastal landforms - erosion and deposition - BBC Bitesize concordant and discordant coastlines (bands) of hard rock and soft rock; many bays and headlands. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. As we mentioned earlier, this tends to shift the coastline further inland. Gcse Geography Revision. Reasons for Protecting Dawlish Warren: 1. These will be exam question style ranging from 4, 6 and 9 mark questions. A concordant coastline. Concordant coastlines tend to have fewer bays . How is a cold environment interdependent? Categories . Set individual study goals and earn points reaching them. A ria is a drowned river valley that leads out to the sea. As the wave breaks, it carries material up the beach in its swash. Geology is the study of the types of rocks that make up the Earth's crust. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). A joint is a fracture of rock without movement from the original position, e.g. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. What are concordant and discordant pairs? - Minitab Waves in the middle of the bay, where the water is deeper, do not lose velocity as . Fetch length along with the wind speed (or strength) determines the size of waves produced. 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. Coastal Geology. . If you have, then you've been to a coast and walked along a coastline. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Because of this difference in erosion resistance, discordant coastlines are home to headlands, due to eroding hard rock, and bays, due to eroding soft rock. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. Erosion worsens as the waves becomes stronger. If the direction of the classification is not the same . What is the impact of humans on the temperate deciduous woodland? The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. pptx, 1.58 MB. Because the soft rock is exposed, it is eroded faster than the hard rock. A concordant coastline is an arrangement of rock strata along the coastline. The Earth has around 620,000 kilometres (390,000 mi) of coastline. -Erode the coast-Short wave length, high and steep. What are the social and economic opportunities associated with the growth of Rio? Pebble sized particles are bounced along the river bed/sea by the force of the water. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Links to wider reading and an introductory video. The results are deep, lengthy, thin inlets surrounded by high cliff faces. What are Mumbais social and economic opportunities? This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. But, let's be honest, it's not brilliant. The angle these bands make with the coastline makes it either a concordant or discordant coastline. There are four major types of coastlines: emergent, submergent, discordant, and concordant. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. A coastline is anywhere where the land meets the water. Type # 1. Case studies Dorset Jurassic coast and Holderness. 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 is an arrangement of rock strata along the coastline. What is the impact of humans on the desert? Safe access points to the shoreline at several points around the edge. This belongs to: _____. Beach Headland Blowhole Wave cut platform 9. 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. Definitions. What challenges have been caused by urban growth in Mumbai?
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