. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Be perfectly prepared on time with an individual plan. 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. Concordant coastline 2. 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. How are Nigerias trading and political relationships changing? Fig. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. Copyright2007 - 2023 Revision World Networks Ltd. . How has the growth of Lagos caused inequality? Headlands and bays Cliffs along the coastline do not erode at the same pace. 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. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Key Question: What are the different landforms of the Jurassic Coast? Protection of cold environments as wilderness areas. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. What is the site and situation of a settlement?
concordant and discordant coastlines bbc bitesize 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). Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). B Gradually the . Subsequently there was an increase in the waters of the oceans and the sea level rose appreciably. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. Concordant and discordant coasts . 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 ). Discordant coasts have a crenellated pattern of projecting headlands and indented bays. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Water quality and pollution management in the UK. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. BBC Bitesize. The cove is located in a South West England County known as Dorset that is found along the English Channel. As stated earlier, coves are formed out of concordant coastlines. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Humans, too, could almost be classified as a coastal species! The image below shows how the refracted wave becomes increasingly parallel to the shoreline. 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. Landforms in the middle course of a river.
What are shanty town improvement schemes? Lines of islands separated by narrow sea channels parallel to the coast (sounds). 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. B Gradually the . As erosion processes take place, the clay erodes away quicker than the. Named after the Dalmatia region on the Adriatic Sea. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Bonding between rocks either side of the plane is weaker than bonding within strata. Why are deserts located along the tropics? The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. Specifically looking at the differences between concordant and discordant coastlines. What is chemical and mechanical weathering? Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). Geological structure is the characteristics and arrangement of rock units. The differing resistance to erosion leads to the formation of headlands and bays. 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. Along the coastline of Dorset, there are concordant and discordant coastlines. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. 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. pg. The coast is very young due to recent ice ages and resulting sea level change. Discordant. 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 ).
gcsegeographyatheathfield: Coasts 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. The sea attacks a weakness in the base of the cliff. She is cooler than I am and has a life instead of enough time to make this. The United Nations uses coastlines to help determine international boundaries at sea. The differing resistance to erosion leads to the formation of headlands and bays. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Destructive waves are usually very high, over 1m. Concordant coastline 2. GCSE 9-1 Coasts: Erosional Landforms Bundle. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles.
The Holderness coastline - Coolgeography.co.uk Discordant coasts have a crenellated pattern of projecting headlands and indented bays. A concordant coastline is an arrangement of rock strata along the coastline. Discordant These are where rock strata or structures are aligned at an angle to the coastline. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. 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 . 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 . This results in the formation of headlands and bays. of the users don't pass the Coastlines quiz! concordant coastlines. Will you pass the quiz?
What are concordant and discordant pairs? - Minitab Coastal Processes | Summary & Types | GCSE Geography Revision Notes Set individual study goals and earn points reaching them. The low-energy wave spills into the bays as . South Dorset Coast 1. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. 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 . 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. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Extended writing tasks 2 a half term. What is the highest point of a wave called? As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . These act as agents of erosion because their backwashis greater than their swah. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. The outer hard provides a protective barrier to erosion of the softer rocks further inland. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. There are 3 main groups of coastal features which result from coastal erosion: 1. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. 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. starter: Students examine the picture and discuss what is happening to the houses and why. (For example the east of the Dorset coast) How Geology affects the coast . Touch device users . One of the topics looked at in GCSE Geography is the features that are found on a coastline. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. Why Is Biodiversity Critical To Life On Earth? A joint is a fracture of rock without movement from the original position, e.g. How did the temperate deciduous woodland get like this? .
GCSE Bitesize: Headlands and bays | Geography revision - Pinterest concordant coastlines. Importance of the Delta for the region. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. How is demand for energy changing in the UK? As the wave breaks, it carries material up the beach in its swash. In some cases it is estimated that there was a rise . The UK's coastline is 31,368 km long (if you include all the main islands). She is cooler than I am and has a life instead of enough time to make this. Which of the following are major types of coastlines? Consequently headlands . The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. What is the distance between trough and crest called? This is called a discordant coastline. One of the topics looked at in GCSE Geography is the features that are found on a coastline.
concordant and discordant coastlines bbc bitesize Learn vocabulary, terms, and more with flashcards, games, and other study tools. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Ways destructive waves destroy the coastline . Find out more about concordant coastlines. What are the physical characteristics of cold environments? Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes Where are polar and tundra environments located? Correct! shale), eroding quicker than the hard, resistant rock (e.g. The three major coastal processes include erosion, transportation and deposition. Links to wider reading and an introductory video.
GCSE AQA 9-1 Coasts : The Formation of Headlands and Bays. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. Use the images below to explore related quizzes. Joints,Dips and Faults in terms of rocks. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. They have low energy and an elliptical orbit. Create beautiful notes faster than ever before. A concordant coastline is where the same rock runs along the length of the coast. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. They are more common in . An explanation of the formation of the cove can be found on the right. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. Introduction to the location of the Delta. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Image. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. Type # 1. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. 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 time, waves beating against the shore will wear it down (or erode it). Emergent Coastlines. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. Specifically looking at the differences between concordant and discordant coastlines. Bits of rock and sand that the waves have picked up are thrown against the cliff face. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. Originally a band of resistant Portland . A concordant coastline is an arrangement of rock strata along the coastline.
The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. concordant coastlines. Shaping our coasts. Risks facing the Delta. Definitions. When a wave breaks upon the shore, rocks and pebbles that are being carried collide with each other breaking them and eventually making them smaller and smoother. Concordant coastlines tend to have fewer bays and headlands. We use cookies to ensure that we give you the best experience on our website.
Ordinal trends and finding concordant and discordant pairs A fjord coast hosts multiple fjords. A concordant coastline has the same type. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Erosion worsens as the waves becomes stronger. What is the location and importance of Rio de Janeiro? 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 . a ks3 unit work consisting of 7 complete lessons covering coasts: lesson 1 - introduction to uk physical landscapes lesson 2 - characteristics of ocean waves lesson 3 - erosion and geology lesson 4 - erosional landforms lesson 5 - transport and deposition lesson 6 - weathering and mass movement lesson 7 - coastal management decision making task Small particles are carried along by the water. formed by the erosion of less resistant Wealden Clays. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. 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. discordant coastline diagram. Both concordant and discordant. -Erode the coast-Short wave length, high and steep. Gcse Geography Revision. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . Numerous plants and animals have adapted to live along coastlines. The warmer climate that followed melted much of the ice. Test your knowledge with gamified quizzes. Coastal. Destructive waves are usually . The geology of the Isle is complex. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Lulworth . (For example the south or the Dorset coast) . Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. The concordant coastline runs from west to east along the south coast. Emergent coastlines happen when either the water level has fallen or the land has risen. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Use the resources provided to write notes that Wave Refraction and Coastal Defences. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. 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. Sustainable development in the desert The Great Green Wall. 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 .
PDF Coasts [3]. Bays and Headlands What is a concordant coastline?
concordant and discordant coastlines bbc bitesize True or False: Concordant coastlines form coves. The part of the wave in the deeper water moves forward faster causing the wave to bend.
concordant and discordant coastlines bbc bitesize How have animals adapted to the rainforest environment? Headlands and bays can form on concordant coastlines too, as has happened . Concordant. PSYCHIC TWINS . Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. 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. How is a cold environment interdependent? An explanation of the formation of the cove can be found on the right. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. What is the role of transnational companies in Nigeria? A concordant coastline produced by the geological structure of folds parallel to the coast. This quiz focusses in particular on those features which are caused by coastal erosion. The hard rock shields the soft rock from erosion. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. 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. Wave Refraction and Coastal Defences. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. This. how to change text duration on reels. The geology of the Isle is complex. A coastline with the same type of rock along its length; fewer bays and headlands. What are the causes of deforestation in the Amazon? 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 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. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. 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.