Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). In some cases it is estimated that there was a rise . The concordant coastline runs from west to east along the south coast. This quiz focusses in particular on those features which are caused by coastal erosion. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. Discordant coastlines have bands of different rock types running perpendicular to the coast; concordant coastlines have bands of similar rock types running parallel to the coast. South Dorset Coast 1. Find out more about concordant coastlines. What is the impact of humans on the savanna? Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. Upload unlimited documents and save them online. The angle these bands make with the coastline makes it either a concordant or discordant coastline. How have animals adapted to cold environments? What are the social and economic opportunities associated with the growth of Rio? Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short.
CAIE IGCSE Geography 0460 Theory Revision Notes - ZNotes Headlands and bays can form on concordant coastlines too, as has happened . Emergent Coastlines. What is Nigerias location and importance? Bays and headlands are common features along discordant coastlines. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. B Gradually the . Coasts can be classified in a variety of . Adapted from BBC. Some concordant coasts have long, narrow islands running parallel to the coastline. What are Mumbais social and economic opportunities? Within geography, the definition of a coastline is the area where land meets water. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. Stop procrastinating with our smart planner features. Pinterest. 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. 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). 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. 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. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. It has the unenviable reputation as the number one place in Europe for coastal erosion, and in a stormy year waves from the North sea can remove between 7 and 10m of coastline. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. It has a variety of other micro-features and a unique geology. Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. Shingle ridge reconnected island of Portland Bill to land (a tombolo). Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Soluble materials dissolve in water and are carried along. These act as agents of erosion because their backwashis greater than their swah. 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. over 1m. This happened over about 1000 years, (very rapid) and submerged coastlines. What are the physical characteristics of cold environments? True or False: Concordant coastlines form coves. This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. Historic records indicate that over 250 m of land were lost between 1600 and 1850. When a stretch of coastline is formed from different types of rock, headlands and bays can form. The processes have been operating over the last 8000 years. Concordant coastline. Headlands and bays can form on concordant coastlines too, as has happened . 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. 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. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Stacks, headlands, bays, cliffs and wave-cut platforms are all included. Then when the wave retreats, the compressed air expands again. 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.
2B.2B Their Morphology - A-LEVEL GEOGRAPHY REVISION: EDEXCEL In some cases it is estimated that there was a rise . Try Dokkio Sidebar for free. Discordant These are where rock strata or structures are aligned at an angle to the coastline.
Coastal Processes | Summary & Types | GCSE Geography Revision Notes Both concordant and discordant. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Along the coastline of Dorset, there are concordant and discordant coastlines. What are the differences in global calorie intake and food supply? Categories . 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 . Discordant coasts have a crenellated pattern of projecting headlands and indented bays. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. 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. Water quality and pollution management in the UK. (bands) of hard rock and soft rock; many bays and headlands. Did you know? pg. The water. How far out to territorial waters extend from the coast (or baseline)? 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 site and situation of a settlement? Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. The differing resistance to erosion leads to the formation of headlands and bays. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. This is because access to the coast offers the opportunity for harvesting marine resources, especially fish, as well as the ability to conduct international trade via the sea. 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 . What is the location and importance of Mumbai? Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Geology is the study of the types of rocks that make up the Earth's crust. Changing rates of rainforest deforestation. The United Nations uses coastlines to help determine international boundaries at sea. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Rocks outcrop at right angles to the sea, forming headlands and bays. It's a way of having all my information in one place. They have low energy and an elliptical orbit. Originally a band of resistant Portland . $14 million dollar house maine; While not every UN member has ratified UNCLAS, most nations abide by it anyway. The water. Jaden Agassi Mlb Draft 2021, 1. Wave Refraction and Coastal Defences. A wave-cut notch is created by erosional processes such . Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. Deformation is the degree of tilting of folding ofrock. What are the air masses that affect the UK? Or built a sand castle next to the waves? Safe access points to the shoreline at several points around the edge.
Coastlines: Geography Definition, Types & Facts | StudySmarter Erosion. 2. Chucky Trill Net Worth 2020. Thus, a concordant coastline refers to a coastline that is made up of the same kinds of rocks and arranged parallel to the coast of the sea or ocean. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. 4 - the process of forming Lulworth Cove, Dorset, UK. The gradual breakdown of rocks due to . Key Question: What are the different landforms of the Jurassic Coast? 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. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. 1. Select all that apply. Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. What is the value of the tropical rainforest? Highly popular with tourists - 20,00 people on the spit at peak times (the Environment Agency concluded that between 18th August and the 12th December 2004, 487,624 visitors visited Dawlish Warren equating . starter: Students examine the picture and discuss what is happening to the houses and why. Concordant coastlines tend to have fewer bays and headlands. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. A concordant coastline is where the same rock runs along the length of the coast. Erosion worsens as the waves becomes stronger. Along the coastline of Dorset, there are concordant and discordant coastlines. Faulting is the fracturing of rock with movement from its original position. Over time, waves beating against the shore will wear it down (or erode it). docx, 24.88 KB. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. The fetch, often called the fetch length, is the length of water over which a given wind has blown. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. 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 . The concordant coastline runs from west to east along the south coast. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice.
PDF Coasts Case Studies - SchoolGeography how to change text duration on reels. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. There are rias throughout the world, including Poole Harbour in Dorset. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. What are the impacts of industry on the physical environment? It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. Which of the following are major types of coastlines? This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. The UK's coastline is 31,368 km long (if you include all the main islands). Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. 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. 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. The low-energy wave spills into the bays as . formed by the erosion of less resistant Wealden Clays.
Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms.
Erosional landforms - Coastal landforms - AQA - BBC Bitesize 8.
concordant and discordant coastlines bbc bitesize A coastline with the same type of rock along its length; fewer bays and headlands .
concordant and discordant coastlines bbc bitesize concordant and discordant coastlines bbc bitesize A concordant coastline.
Dorset coastline - Coastal landforms - AQA - BBC Bitesize Importance of the Delta for the region. This differential erosion creates headlands and bays along discordant coastlines. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. What are the economic and environmental issues of energy production? Coastlines will expand as climate change continues. 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. Lulworth Cove has occurred on a concordant coastline. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Human actions and Physical factors affecting the Delta. What percent of the global population lives within 100km of a coastline? Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. A bedding plane is the interface between two sedimentary strata. 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). Where the rock outcrops run parallel to the sea. They are more common in winterthan in the summer. When a stretch of coastline is formed from. Bonding between rocks either side of the plane is weaker than bonding within strata. . Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. What is the impact of humans on the desert? Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Ripples are created; these ripples will become waves if the wind is sustained. full verbatim. The Earth has around 620,000 kilometres (390,000 mi) of coastline. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. The outer hard provides a protective barrier to erosion of the softer rocks further inland. 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. Over time the sea can wash away an entire coastline, forcing back human uses of that land (such as settlements or farms) and letting the sea . Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. of the users don't pass the Coastlines quiz! Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. Label two landforms shown in the photograph (2) Coasts - Grade Booster. The Jurassic Coast begins at Orcombe . Specification and other support materials for teachers, including delivery guides Explore. Its 100% free. Chesil Beach in Dorset was formed this way. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. PBworks / Help What are the different types of weathering? . The warmer climate that followed melted much of the ice. Concordant. 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. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. 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 . Start studying BBC Geography Bitesize: Coastal Processes. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. This. - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. Wrong! Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. Why Is Biodiversity Critical To Life On Earth? Select all that apply. The results are deep, lengthy, thin inlets surrounded by high cliff faces. Discordant coastline . Our geography videos are developed with links to various specifications including Geography GCSE, Geography IGCSE, Geography AS-level, Geography A-level, Geography IA-level, Geography National 5, Geography Higher. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. They have a mainly circular orbit, a steep gradient.
Coastal Erosion Landforms Quiz - Internet Geography The net result is that the sediment gets smaller and smaller over time. Test your knowledge with gamified quizzes. 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. They are most common where fetchis short. Numerous plants and animals have adapted to live along coastlines.
concordant and discordant coastlines bbc bitesize Image. Concordant and discordant coasts . Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. (BBC, 2006). Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. (bands) of hard rock and soft rock; many bays and headlands. The coastline determines everything. She is cooler than I am and has a life instead of enough time to make this. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Coasts are shaped by the processes of erosion, transportation and deposition. Discordant coastline . These Dalmatian types normally occur . What are the causes of deforestation in the Amazon? StudySmarter is commited to creating, free, high quality explainations, opening education to all. Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts - YouTube 2:20 Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts TheGeographyGuy 1.66K. 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 . These processes are happening constantly and usually work in conjunction to produce coastal features. 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.
concordant and discordant coastlines bbc bitesize Insert links to other pages or uploaded files. How do changes affect the balance of an ecosystem? Because the soft rock is exposed, it is eroded faster than the hard rock. What challenges are associated with the growth of Rio? Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. They have a low gradient, typically under one meter in height. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. Explore. Caves, Arches, Stacks and Sumps 3. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. When a stretch of coastline is formed from different types of rock, headlands and bays can form. The process begins with seawater hitting on the coastline. pg. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. Reasons for Protecting Dawlish Warren: 1. The three major coastal processes include erosion, transportation and deposition. 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. 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! As a result of the coastal feature, the depth of water around a coast varies. Type # 1. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. a headland separated by two bays.
Concordant and Discordant Coastlines by Leia Daniels - Prezi 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. Case studies Dorset Jurassic coast and Holderness. Hydraulic action, attrition, abrasion, and corrosion. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Shaping our coasts. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Safe access points to the shoreline at several points around the edge. Both concordant and discordant. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Set individual study goals and earn points reaching them. Which type of underlying geology is most likely to be formed into straight cliffs? This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. This is called a discordant coastline. Sign up to highlight and take notes. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Correct! Concordant coastlines tend to have fewer bays and headlands. Why is there a trend towards agribusiness? What is the structure of the tropical rainforest? In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. 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 two special types of submerged coastlines: ria coasts and fjord coasts. (bands) of hard rock and soft rock; many bays and headlands. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Coastal Erosion. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Lulworth . It has a discordant coastline along the east and concordant coastline along the south. BBC Bitesize. A famous example of a coastline.
GCSE Bitesize: Headlands and bays | Geography revision - Pinterest