concordant and discordant coastlines bbc bitesize concordant and discordant coastlines bbc bitesize

. Fig. Landscapes. The processes have been operating over the last 8000 years. The gradual breakdown of rocks due to . This results in the formation of headlands and bays. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Today. This quiz focusses in particular on those features which are caused by coastal erosion. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Geology is the study of the types of rocks that make up the Earth's crust. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Durdle Door - Wikipedia 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. Sediment Cells. Great Ocean Road, Australia. 2B.2B Their Morphology - A-LEVEL GEOGRAPHY REVISION: EDEXCEL This belongs to: _____. Headlands and bays Cliffs along the coastline do not erode at the same pace. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. 4: Formation of Lulworth Cove (https://commons.wikimedia.org/wiki/File:Lulworth.png) by Red (https://en.wikipedia.org/wiki/User:Red) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en). What are Mumbais social and economic opportunities? Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes 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. This is called a discordant coastline. How has demand for water in the UK changed? The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. But do they serve as anything more than a place to go for a hike or a tan? Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. What problems are caused by global warming? Awesome, well done! When a stretch of coastline is formed from different types of rock, headlands and bays can form. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. They are more common in winterthan in the summer. Landform change - the Dorset coastline - BBC Bitesize Coasts are shaped by the processes of erosion, transportation and deposition. Discordant and concordant coasts in Dorset. The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. This belongs to: _____. Ripples are created; these ripples will become waves if the wind is sustained. It is only when the water enters shallower areas that the water itself moves forward. Coastal Erosion. Paymaya Annual Report, Each process can produce several coastal features; however, they often work together to sculpt the coastlines. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. International migration from Syria to Europe, Japan A country with a high dependent population. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. BBC Geography Bitesize: Coastal Processes Flashcards | Quizlet A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. What is the highest point of a wave called? For example, both X and Y rate item 1 higher than item 2. 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). The shape of the cove is the result of wave diffraction. A concordant coastline produced by the geological structure of folds parallel to the coast. 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. Concordant coastline Uncordant coastline Variable coastline 8. Concordant coastlines tend to have fewer bays and headlands. Headlands and Bays 2. It has a discordant coastline along the east and concordant coastline along the south. Coastal Geology. coastlines. Along the coastline of Dorset, there are concordant and discordant coastlines. The low-energy wave spills into the bays as . Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. Economic opportunities and challenges in Lagos. Today. Best study tips and tricks for your exams. False! Long spits of sands run parallel to the low coast, enclosing the coast. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. Explore. Soluble materials dissolve in water and are carried along. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. Emergent Coastlines. What challenges have been caused by urban growth in Mumbai? What is migration and why do people migrate? Discordant coastline . Under 5's Football Coaching Drills, These coves are formed by waves breaking through an outer layer of hard rock, such as limestone, and then, over time, the waves sweep away the soft rock further inland, like sand and clay, creating a cove. concordant coastlines. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Coastlines also help us demarcate international boundaries. Did you know? discordant coastline diagram. Concordant and discordant coastlines. lulworth cove concordant coastline. Coastlines will expand as climate change continues. 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. Humans, too, could almost be classified as a coastal species! May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. What is the impact of humans on the Taiga? Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. Everything you need for your studies in one place. A concordant coastline is where the same rock runs along the length of the coast. The coast is the border between the land and the sea. If you've been to the beach, you've been to a coastline! Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. Straight coastline now formed by a concordant band of constant chalk. 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. Along the coastline of Dorset, there are concordant and discordant coastlines. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. A concordant coastline has the same type. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Introduction to the location of the Delta. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. How has rainforest vegetation adapted to the climate? 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. Faulting is the fracturing of rock with movement from its original position. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). Be perfectly prepared on time with an individual plan. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. An explanation of the formation of the cove can be found on the right. There are two special types of submerged coastlines: ria coasts and fjord coasts. Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. 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 . When a stretch of coastline is formed from different types of rock, headlands and bays can form. Where the rock outcrops run parallel to the sea. 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 . On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. 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 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 Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. What is the location and importance of Rio de Janeiro? Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. concordant coastlines. 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. They have low energy and an elliptical orbit. Concordant or conformable, when referring to plutonic bodies, indicates that the intruding magma of sills and laccoliths lies parallel to rather than cutting across country strata, as do discordant structures such as veins, dikes, bysmoliths, and batholiths. Upload unlimited documents and save them online. Discordant coastline . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. While not every UN member has ratified UNCLAS, most nations abide by it anyway. Touch device users . (For example the south or the Dorset coast) . in height. B Gradually the . You don't have permission to comment on this page. gcsegeographyatheathfield: Coasts Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. The outer hard provides a protective barrier to erosion of the softer rocks further inland. Concordant coastlines tend to have fewer bays and headlands. 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 sea has broken through this barrier and easily eroded the clays behind it. The Dorset Coast, located to the south of England on the English Channel, runs from Lymme Regis in the west, past Old Harry Rocks in Purbeck to Highcliffe in the east. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . docx, 24.88 KB. Key Question: What are the different landforms of the Jurassic Coast? Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. Gcse Geography Revision. The Jurassic Coast begins at Orcombe . Not surprisingly, destructive waves destroy beaches. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. What is a concordant coastline? - Internet Geography As a result of the coastal feature, the depth of water around a coast varies. Select all that apply. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. It's a way of having all my information in one place. Correct! Hilbre Island (Cheshire) is an example of a possible fieldwork location. Erosion worsens as the waves becomes stronger. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Waves are the main reason for coastal change. Create beautiful notes faster than ever before. But, let's be honest, it's not brilliant. Numerous plants and animals have adapted to live along coastlines. 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. 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. Both concordant and discordant. The Earth has around 620,000 kilometres (390,000 mi) of coastline. What is the impact of humans on the temperate deciduous woodland? When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Soft rocks like mudstone and siltstone a headland separated by two bays. A concordant coastline is an arrangement of rock strata along the coastline. (bands) of hard rock and soft rock; many bays and headlands. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. The more the waves crash onto the beach, the more sediment is washed out to sea. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Because the soft rock is exposed, it is eroded faster than the hard rock. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. . The concordant coastline runs from west to east along the south coast. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. They have a mainly circular orbit, a steep gradient. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. 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! It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. e.g. There are different bands of rock that have shaped this discordant coastline, namely: Fig. Free and expert-verified textbook solutions. Bull's Head in St Oswald's Bay. As Thor says, not bad at all. Extended writing tasks 2 a half term. Time for Geography | Coasts Videos What is the site and situation of a settlement? Originally a band of resistant Portland . How does food insecurity affect the environment? Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Discordant and Concordant Coastlines GCSE Geography A Level - YouTube Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . This. Then when the wave retreats, the compressed air expands again. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. Importance of the Delta for the region. What factors influence the effects and response to tectonic activity? 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 . By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. A concordant coastline has the same type of rock. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Practice Questions: Slideshow 2773107 by chanel coastlines. Less resistant rocks are eroded more than the resistant . What are the effects of economic development in Nigeria on quality of life? If they move in opposite directions - one increases while the other decreases - then the pair is discordant. GCSE AQA 9-1 Coasts : The Formation of Headlands and Bays. Discordant. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . A concordant coastline occurs where the bands of differing rock types run parallel to the coast. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. This differential erosion creates headlands and bays along discordant coastlines. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Have you ever gone for a stroll on a beach? concordant and discordant coastlines bbc bitesize Call us (+254) 722 22 99 44 Email polucon@polucon.com Our Laboratories Nairobi & Mombasa washington sports club glover park Home Services concordant and discordant coastlines bbc bitesize Micro-Biology Services Agri - Services Instrumentation Division Environment Division Petroleum Division As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. of the users don't pass the Coastlines quiz! The UK's coastline is 31,368 km long (if you include all the main islands). A coastline with the same type of rock along its length; fewer bays and headlands. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. Headlands and bays can form on concordant coastlines too, as has happened . Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. The UK's coastline is 31,368 km long (if you include all the main islands). How is a cold environment interdependent? How has the growth of Lagos caused inequality? Limestone Case Study Malham, The Yorkshire Dales. Links to wider reading and an introductory video. It has a variety of other micro-features and a unique geology. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Geology [ edit] The form of the coastline around Durdle Door is controlled by its geologyboth by the contrasting hardnesses of the rocks, and by the local patterns of faults and folds. What are the social and economic opportunities associated with the growth of Rio? What are active, dormant and extinct volcanoes? Now you can find what you're looking for wherever it lives. The length of perimeter approx 2km. How do changes affect the balance of an ecosystem? Lulworth Cove has occurred on a concordant coastline. How have plants adapted to cold environments? How has urbanisation helped Nigeria to develop? 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. Where once there was a simple river with well-defined banks, now there is a sprawling river that has submerged most of the terrain around it. A ria is a drowned river valley that leads out to the sea. What challenges are associated with the growth of Rio? Gone surfing? Concordant Coasts . chalk) . concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Where are the areas of water deficit and surplus in the UK? The coast is the border between the land and the sea. 1. Lulworth Cove is located on the so-called Jurassic Coast, spanning 185 million years of geological history, from the Triassic (252 - 201 million years ago), Jurassic (199.6 - 145.5 million years ago), and Cretaceous (145 - 66 million years ago) periods. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay.