What factors affect population density and distribution? Concordant coastline Uncordant coastline Variable coastline 8. Concordant coasts are also known as dalmatian coasts, after the Dalmatian region of Croatia, or Pacific coasts, after the coastline of Chile in South America. The concordant coastline runs from west to east along the south coast. Correct! Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . International migration from Syria to Europe, Japan A country with a high dependent population. Weathering and mass movement in river valleys. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Over time, waves beating against the shore will wear it down (or erode it). Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Under 5's Football Coaching Drills, 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 Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. This is called a discordant coastline. As a result of the coastal feature, the depth of water around a coast varies. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). What problems are caused by global warming? How has demand for water in the UK changed? Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. If you've been to the beach, you've been to a coastline! Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. lulworth cove concordant coastline. Many of the major cities built directly along coastlines, such as New York City and Tokyo, will be forced to develop solutions that counter rising sea levels or else abandon waterfront infrastructures and construct further inland. Create your own unique website with customizable templates. Sustainable development in the Temperate Deciduous Woodland. 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 . As a result, it does not travel far up it. How can we increase the amount of food produced globally? Practice Questions: Slideshow 2773107 by chanel coastlines. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. (For example the east of the Dorset coast) How Geology affects the coast . Fetch length along with the wind speed (or strength) determines the size of waves produced. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. (bands) of hard rock and soft rock; many bays and headlands. These processes are happening constantly and usually work in conjunction to produce coastal features. The processes have been operating over the last 8000 years. A unique coastline within the UK is Lulworth Cove in Dorset. The relatively gentle profile of the beach with a steep ridge at the top of the beach means that the backwash soaks into the sand or slowly drains away. Use the resources provided to write notes that Wave Refraction and Coastal Defences. Gcse Geography Revision. They have a low gradient, typically under one meter in height. The coast is very young due to recent ice ages and resulting sea level change. Use the resources provided to write notes that UK Sediment Cells Source: Scool. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. As our Earth warms, glaciers melt, causing the sea level to rise. Which of the following is NOT a major process through which waves shape the coast? How has rainforest vegetation adapted to the climate? These form where deposition produces unconsolidated geological structures parallel to the coastline. A concordant coastline has the same type of rock. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. Economic losses to businesses if areas become unattractive and depopulated. Take a look at our resources under Topics in the menu at the top of the page. The differing resistance to erosion leads to the formation of headlands and bays. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. The low-energy wave spills into the bays as . Create your own unique website with customizable templates. 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? Strata are different layers (or beds) of rock. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Discordant These are where rock strata or structures are aligned at an angle to the coastline. Free and expert-verified textbook solutions. The Jurassic Coast is a world-renowned site where you can find geological (natural) features, and different types of fossils, such as dinosaurs and a fossil forest. What percent of the global population lives within 100km of a coastline? True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. Discordant These are where rock strata or structures are aligned at an angle to the coastline. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Concordant coastlines tend to have fewer bays . The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. In some cases it is estimated that there was a rise . Human actions and Physical factors affecting the Delta. If the direction of the classification is not the same . During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. How can the impacts of climate change be managed? These Dalmatian types normally occur . Ways destructive waves destroy the coastline . The water. The sea attacks a weakness in the base of the cliff. Both concordant and discordant. The differing resistance to erosion leads to the formation of headlands and bays. The following are facts about destructive waves. Hilbre Island (Cheshire) is an example of a possible fieldwork location. 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. 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. Erosion. 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. Human and physical factors causing river flooding. They have a. gradient, typically under . Stop procrastinating with our study reminders. Try Dokkio Sidebar for free. This happened over about 1000 years, (very rapid) and submerged coastlines. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Add in the missing words. Coasts can be classified in a variety of . . Long offshore islands and coastal inlets are running parallel to the coastline. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. 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. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. This results in the formation of headlands and bays. pg. 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. Upload unlimited documents and save them online. Concordant coastline 2. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Changing rates of rainforest deforestation. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. (For example the east of the Dorset coast) How Geology affects the coast . 2: Durlston headland and bay (https://en.wikipedia.org/wiki/File:Durlston_bay_from_durlston_castle.jpg) by Jim Champion (https://commons.wikimedia.org/wiki/User:JimChampion) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en), Fig. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. How has urbanisation helped Nigeria to develop? Concordant coastlines tend to have fewer bays and headlands. 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. 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. Bays and headlands are common features along discordant coastlines. Either way, there is now a (bit of) coastline that is no longer submerged under water. 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. Pinterest. pptx, 1.58 MB. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Which type of underlying geology is most likely to be formed into straight cliffs? Awesome, well done! Touch device users . There are four processes involved in the eroding coastlines. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. Both concordant and discordant. If you have, then you've been to a coast and walked along a coastline. - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. coastal landforms, any of the relief features present along any coast, the result of a combination of processes, sediments, and the geology of the coast itself. caused by the shrinkage of igneous rock as it cools. You know your landforms of coastal erosion. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. Concordant coastlines tend to have fewer bays . discordant coastlines. starter: Students examine the picture and discuss what is happening to the houses and why. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. How have animals adapted to the rainforest environment? Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Geological structure is the characteristics and arrangement of rock units. These will be exam question style ranging from 4, 6 and 9 mark questions. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. Aqa. Originally a band of resistant Portland . Concordant. When a stretch of coastline is formed from. 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). The concordant coastline runs from west to east along the south coast. This means that these waves transport beach material back into the sea, lowering the height of a beach. How far out to territorial waters extend from the coast (or baseline)? A wave-cut notch is created by erosional processes such . These will be exam question style ranging from 4, 6 and 9 mark questions. Which of the following is NOT typically found in a coastal ecosystem? These act as agents of erosion because their . What is the site and situation of a settlement? As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. 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. There are different bands of rock that have shaped this discordant coastline, namely: Fig. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Approximately 40% of all people live within 100km of a coastline. What are the effects of economic development in Nigeria on quality of life? Bay and headland - Durdle Door, Dorset. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Case studies Dorset Jurassic coast and Holderness. A coastline with the same type of rock along its length; fewer bays and headlands. She is cooler than I am and has a life instead of enough time to make this. 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. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . . Safe access points to the shoreline at several points around the edge. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. The River Tees landforms of erosion and deposition, Case Study Ganges/Brahmaputra River Basin, Geological time is on a different time to human time, Different rocks create contrasting landforms and landscapes. It is only when the water enters shallower areas that the water itself moves forward. 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. A concordant coastline has the same type of rock. 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). Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. Introduction to the location of the Delta. Concordant coastlines tend to have fewer bays and headlands. The part of the wave in the deeper water moves forward faster causing the wave to bend. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Because the waves are so frequent, the backwash has less time to soak into the sand. 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. Touch device users . Published by at February 16, 2022. Waves interact with land through three major marine processes: erosion, transportation, and deposition. These are where rock strata or structures are aligned at an angle to the coastline. $14 million dollar house maine; shale), eroding quicker than the hard, resistant rock (e.g. Concordant Coasts . The length of perimeter approx 2km. Full lesson covering the different types of erosion and geology along the coast. 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. What is a discordant coastline? A coastline is an area where land meets the water. in height. BBC Bitesize. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). What are the physical characteristics of cold environments? Then when the wave retreats, the compressed air expands again. Jaden Agassi Mlb Draft 2021, But do they serve as anything more than a place to go for a hike or a tan? 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. 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). Practice Questions: Slideshow 2773107 by chanel Coasts Revision Booklet. Gradually the material is moved along the coastline, its . A joint is a fracture of rock without movement from the original position, e.g. [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Why is the weather of the UK so changeable? 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. Headlands and bays can form on concordant coastlines too, as has happened . Coasts can be classified in a variety of . What feature is left behind as the cliff retreats? What are they? 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. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Historic records indicate that over 250 m of land were lost between 1600 and 1850. Within geography, the definition of a coastline is the area where land meets water. How reliable are economic indicators of development? Today. 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. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. 1. Named after the Dalmatia region on the Adriatic Sea. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The Earth has around 620,000 kilometres (390,000 mi) of coastline. Extended writing tasks 2 a half term. 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). Hilbre Island (Cheshire) is an example of a possible fieldwork location. Terms of use / Privacy policy / GDPR, About this workspace A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. how to change text duration on reels. Coastal Erosion. The angle these bands make with the coastline makes it either a concordant or discordant coastline. Why is the Human Development Index important? Coasts Revision Booklet. The process of erosion can create different landforms along the coastline. 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. If the direction of classifications is the same, the pairs are concordant. Concordant Coasts . The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the ocean or a lake.