GCSE 9-1 Coasts: Erosional Landforms Bundle. What is the impact of humans on the desert? dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Geological structure is the characteristics and arrangement of rock units. Fig. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. 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. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. Pebble sized particles are bounced along the river bed/sea by the force of the water. Erosion. What are the impacts of industry on the physical environment? Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. lulworth cove concordant coastline. The shape of the cove is the result of wave diffraction. material at the coast and in a river. It has a discordant coastline along the east and concordant coastline along the south. Wrong! While not every UN member has ratified UNCLAS, most nations abide by it anyway. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Sediment Cells. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. Okay, now we know what coastlines are. What is the location and importance of Mumbai? 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. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. The updated BBC Bitesize website has a great video on . Durdle Door - Wikipedia Did you know? The Jurassic Coast begins at Orcombe . BBC Bitesize. Safe access points to the shoreline at several points around the edge. Bonding between rocks either side of the plane is weaker than bonding within strata. The following are facts about destructive waves. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. There are different bands of rock that have shaped this discordant coastline, namely: Fig. concordant coastlines. A concordant coastline has the same type of rock. Coastal Processes | Summary & Types | GCSE Geography Revision Notes Long spits of sands run parallel to the low coast, enclosing the coast. Chucky Trill Net Worth 2020. How can the impacts of climate change be managed? South Dorset Coast Dalmatian coastline Formed by faulting and rising sea levels since the end of the last ice age West Cork, Ireland 1.Discordant Coastline 2.Rias Rock strata meets the coast at 90 degrees in parallel bands Weaker rocks (limestones) have been eroded creating long, thin bays (rias) in-between the mudstones and old . Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Erosional landforms - Coastal landforms - AQA - BBC Bitesize The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Type # 1. Shake Hands With Beef Girl, South Dorset Coast 1. It has a discordant coastline along the east and concordant coastline along the south. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. For example, this could be a joint in chalk. Both concordant and discordant. Rocks outcrop at right angles to the sea, forming headlands and bays. Coastal Geology. 3. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Concordant coastline Uncordant coastline Variable coastline 8. formed by the erosion of less resistant Wealden Clays. How does flooding affect humans and the environment? As a result, it does not travel far up it. Introduction to the location of the Delta. 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. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). Great Ocean Road, Australia. Create and find flashcards in record time. shale), eroding quicker than the hard, resistant rock (e.g. Set individual study goals and earn points reaching them. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. (bands) of hard rock and soft rock; many bays and headlands. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Soluble materials dissolve in water and are carried along. 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. 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. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. Economic losses to businesses if areas become unattractive and depopulated. The differing resistance to erosion leads to the formation of headlands and bays. It's a way of having all my information in one place. The sea attacks a weakness in the base of the cliff. These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. Geology. The rock strata are almost vertical, and the bands of rock are quite narrow. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . 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. 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 hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. (For example the east of the Dorset coast) How Geology affects the coast . If you've been to the beach, you've been to a coastline! Insert links to other pages or uploaded files. The shape of the coastline (which is dependent on its geology) - on concordant coastlines, rocks are parallel to the wave front and therefore rates of erosion are similar along the coastline. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. Wave Refraction and Coastal Defences. Try Dokkio Sidebar for free. Waves are the main reason for coastal change. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. How has the growth of Lagos caused inequality? Emergent coastlines happen when either the water level has fallen or the land has risen. It has a variety of other micro-features and a unique geology. (bands) of hard rock and soft rock; many bays and headlands. It is only when the water enters shallower areas that the water itself moves forward. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. This is a Geography revision website for the Edexcel A-Level from 2016 (so the new syllabus), and will contain my class notes, own research and detail from revision guides and textbooks. over 1m. Have you ever gone for a stroll on a beach? The first difference between concordant and discordant coastlines is that the concordant coastlines are composed of similar rock types whereas, in the case of discordant coastlines, the rocks are of different kinds. What challenges have been caused by urban growth in Mumbai? They have a mainly circular orbit, a .. gradient. 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. 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. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Create your own unique website with customizable templates. 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 more the waves crash onto the beach, the more sediment is washed out to sea. coastlines. Reasons for Protecting Dawlish Warren: 1. This quiz focusses in particular on those features which are caused by coastal erosion. 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 . Concordant coastline. Either way, there is now a (bit of) coastline that is no longer submerged under water. What is a concordant coastline? - Internet Geography 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. Destructive waves are usually very high, over 1m. Concordant Coasts . Water quality and pollution management in the UK. Strata are different layers (or beds) of rock. B Gradually the . As our Earth warms, glaciers melt, causing the sea level to rise. Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. a headland separated by two bays. caused by the shrinkage of igneous rock as it cools. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Aqa. Over time, waves beating against the shore will wear it down (or erode it). A discordant coastline occurs where bands of different rock type run perpendicular to the coast. The geology of the Isle is complex. Will you pass the quiz? False! In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Paisajes. 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. 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. Gcse Geography Revision. Which of the following is NOT a major process through which waves shape the coast? 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. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. Gone surfing? Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Less resistant rocks are eroded more than the resistant . Originally a band of resistant Portland . Shingle ridge reconnected island of Portland Bill to land (a tombolo). As the wave approaches the coast, it gains height and drops onto a steep beach. . What is a concordant coastline? The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. (For example the south or the Dorset coast) . Concordant and discordant coasts . This is considered sovereign national territory, the same as boundaries on land. Over 10 million students from across the world are already learning smarter. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. Shaping our coasts. 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 . Some concordant coasts have long, narrow islands running parallel to the coastline. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . What is the location and importance of Rio de Janeiro? Waves in the middle of the bay, where the water is deeper, do not lose velocity as . A ria coast hosts multiple rias. Concordant Coasts . Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. A concordant coastline is an arrangement of rock strata along the coastline. This differential erosion creates headlands and bays along discordant coastlines. Gradually the material is moved along the coastline, its . The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. 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. Coastal Erosion - Geography AS While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. . Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. Erosion worsens as the waves becomes stronger. 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. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. 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. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. 4 - the process of forming Lulworth Cove, Dorset, UK. Create the most beautiful study materials using our templates. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. Discordant coastline . These form where deposition produces unconsolidated geological structures parallel to the coastline. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. Dorset coastline - Coastal landforms - AQA - BBC Bitesize One of the topics looked at in GCSE Geography is the features that are found on a coastline. 8. Terms of use / Privacy policy / GDPR, About this workspace Explain the process of longshore drift (3) Coasts - Grade Booster. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. What is the structure of the Temperate Deciduous Woodland? docx, 24.88 KB. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. These are where rock strata or structures are aligned at an angle to the coastline. A coastline with the same type of rock along its length; fewer bays and headlands. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Why is the weather of the UK so changeable? How are Nigerias trading and political relationships changing? In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Key Question: What are the different landforms of the Jurassic Coast? Describe the characteristics of destructive waves (3) Coasts - Grade Booster. The sea has broken through this barrier and easily eroded the clays behind it. You don't have permission to comment on this page. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. The site is self-funded and your support is really appreciated. The three major coastal processes include erosion, transportation and deposition. 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. What are the different types of weathering? Which type of underlying geology is most likely to be formed into straight cliffs? This results in the formation of headlands and bays. The differing resistance to erosion leads to the formation of headlands and bays. The cove is located in a South West England County known as Dorset that is found along the English Channel. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). When a stretch of coastline is formed from. Landform change - the Dorset coastline - BBC Bitesize The low-energy wave spills into the bays as . Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. The water. The Bay is also a product of sea level rise, since river erosion cut a low-relief river valley into Carboniferous Limestone, allowing the sea to flood inland and creating a ria at the start of the Holocene. 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. The geology of the Isle is complex. How can we increase the amount of food produced globally? Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. discordant coastlines. Type # 1. We use cookies to ensure that we give you the best experience on our website. Their wavelength is long and a low frequency (8-10 waves per minute). Discordant coastline . It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. Their wavelength is .and a.. frequency (8-10 waves per minute). More erosion at the present (2016-2017) is occurring further east, down drift, in the Barton Golf Course and Hordle Cliff area, as a result of the Barton Sea Defences (the so-called "Terminal . What are shanty town improvement schemes? How have animals adapted to the rainforest environment? Coastlines of Emergence. Concordant coastlines tend to have fewer bays and headlands. guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. There are four major types of coastlines: emergent, submergent, discordant, and concordant. Headlands and Bays 2. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. Fjords are created when glaciers cut through valleys and are submerged. The shifting coastlines can impact freshwater resources near the coasts by creating brackish mixtures, and can also pose an obvious danger to infrastructure built directly along the coast. 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. (bands) of hard rock and soft rock; many bays and headlands. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. Which of the following are major types of coastlines? The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. BBC iPlayer 37k followers More information Discordant and concordant coasts in Dorset Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. A coastline is an area where land meets the water. Sign up to highlight and take notes. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Coasts - Erosion and Geology | Teaching Resources Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. Have all your study materials in one place. Paymaya Annual Report, Importance of the Delta for the region. The processes have been operating over the last 8000 years. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. pptx, 1.58 MB. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Numerous plants and animals have adapted to live along coastlines. These will be exam question style ranging from 4, 6 and 9 mark . They have low energy and an elliptical orbit. Today. 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. 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. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. This results in the formation of headlands and bays. Explore. What is the impact of humans on the temperate deciduous woodland? Find out more about concordant coastlines. The outer hard rock is Portland limestone. Swam in the ocean? - Internet Geography What is a concordant coastline? Coasts Revision Booklet. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. What is the distance between trough and crest called? 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. full verbatim. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). 2B.2A Concordant and Discordant - A-LEVEL GEOGRAPHY REVISION: EDEXCEL
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