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

Long offshore islands and coastal inlets are running parallel to the coastline. 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. what is the difference between concordant and discordant coast lines (4) concordant coasts are created where rock strata run parallel to the coastline in alternating bands of more resistant and less resistant rocks. Where the rock outcrops run parallel to the sea. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Explore. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. If you have, then you've been to a coast and walked along a coastline. The results are deep, lengthy, thin inlets surrounded by high cliff faces. They are more common in . Approximately 40% of all people live within 100km of a coastline. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Create your own unique website with customizable templates. These form where deposition produces unconsolidated geological structures parallel to the coastline. guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. If you've been to the beach, you've been to a coastline! Hydraulic action, attrition, abrasion, and corrosion. The sea has broken through this barrier and easily eroded the clays behind it. (For example the east of the Dorset coast) How Geology affects the coast . Then when the wave retreats, the compressed air expands again. Economic losses to businesses if areas become unattractive and depopulated. Reasons for Protecting Dawlish Warren: 1. Specifically looking at the differences between concordant and discordant coastlines. The coastline determines everything. The concordant coastline runs from west to east along the south coast. Discordant coastline . The significance of food, water and energy, An overview of global inequalities in the supply and consumption of resources, Carbon footprints, food miles and moves towards local sourcing of food. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. The UK's coastline is 31,368 km long (if you include all the main islands). The differing resistance to erosion leads to the formation of headlands and bays. 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. Joints,Dips and Faults in terms of rocks. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Concordant coastline Uncordant coastline Variable coastline 8. Over time, waves beating against the shore will wear it down (or erode it). Have you ever gone for a stroll on a beach? The process begins with seawater hitting on the coastline. Concordant Coasts . A concordant coastline diminated by limestone in the map has the same type of rock along its length. In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. 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. They have a mainly circular orbit, a steep gradient. The coast is the border between the land and the sea. Full lesson covering the different types of erosion and geology along the coast. The coast is the border between the land and the sea. Identify your study strength and weaknesses. A concordant coastline produced by the geological structure of folds parallel to the coast. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. (bands) of hard rock and soft rock; many bays and headlands. A unique coastline within the UK is Lulworth Cove in Dorset. 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. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Headlands and bays Cliffs along the coastline do not erode at the same pace. 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. South Dorset Coast 1. . Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. Coastal Erosion. 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. Strata are different layers (or beds) of rock. discordant coastlines. The concordant coastline runs from west to east along the south coast. A concordant coastline has the same type. Erosion Sea forces change coastal landscapes with the wind being the major source of waves. Pinterest. What is the site and situation of a settlement? 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 geology of the Isle is complex. Which of the following is NOT a major process through which waves shape the coast? An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. As stated earlier, coves are formed out of concordant coastlines. If the direction of the classification is not the same . When the auto-complete results are available, use the up and down arrows to review and Enter to select. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. B Gradually the . This happened over about 1000 years, (very rapid) and submerged coastlines. Both concordant and discordant. Gradually the material is moved along the coastline, its . caused by the shrinkage of igneous rock as it cools. a headland separated by two bays. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. Or in other words, these types of coastlines have the same type of rock all along its length. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? Create your own unique website with customizable templates. Both concordant and discordant. Geology. than in summer. Their wavelength is long and a low frequency (8-10 waves per minute). Great Ocean Road, Australia. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Sustainable development in the desert The Great Green Wall. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. 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. There are two special types of submerged coastlines: ria coasts and fjord coasts. Select all that apply. How has hot desert vegetation adapted to the climate? As the wave approaches the coast, it gains height and drops onto a steep beach. What is the difference between a tornado and a hurricane? 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 . The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . One of the topics looked at in GCSE Geography is the features that are found on a coastline. What is chemical and mechanical weathering? Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. The Jurassic Coast begins at Orcombe . It is one of the best examples in Europe of the stages of erosion on a concordant coastline. Explain the process of longshore drift (3) Coasts - Grade Booster. Geological structure is the characteristics and arrangement of rock units. When a stretch of coastline is formed from. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Lulworth . A famous example of a coastline. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Many emergent coastlines have existed since the glacial phases of the Pleistocene Epoch, which lasted from about 2,580,000 and 11,700 years ago because the sea levels were much lower than they are today. Did you know? The differing resistance to erosion leads to the formation of headlands and bays. These are coastlines where the bands of rock run perpendicular to the coastline meaning . When a stretch of coastline is formed from different types of rock, headlands and bays can form. Rocks outcrop at right angles to the sea, forming headlands and bays. Touch device users . A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. As Thor says, not bad at all. What are the effects of deforestation in the Amazon? Each process can produce several coastal features; however, they often work together to sculpt the coastlines. 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. The part of the wave in the deeper water moves forward faster causing the wave to bend. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. Find out more about concordant coastlines. Published by at February 16, 2022. Emergent Coastlines. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. 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. Rocks outcrop at right angles to the sea, forming headlands and bays. Along the coastline of Dorset, there are concordant and discordant coastlines. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. 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. discordant coastlines. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. 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. A joint is a fracture of rock without movement from the original position, e.g. Fig. Even London is built along the River Thames, which flows into the North Sea. Chesil Beach in Dorset was formed this way. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. Lulworth Cove has occurred on a concordant coastline. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Now you can find what you're looking for wherever it lives. Which type of underlying geology is most likely to be formed into straight cliffs? 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. How is demand for energy changing in the UK? Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. These processes are happening constantly and usually work in conjunction to produce coastal features. A concordant coastline has the same type of rock along its. 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. Caves occur when waves force their way into cracks in the cliff face. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Why is the weather of the UK so changeable? Bays and headlands are common features along discordant 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. They are also called spilling or surging waves. What are Mumbais social and economic opportunities? Best study tips and tricks for your exams. The shape of the cove is the result of wave diffraction. How do changes affect the balance of an ecosystem? Teacher. Water quality and pollution management in the UK. There are 3 main groups of coastal features which result from coastal erosion: 1. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. 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 coastlines form where geology alternates between bands of hard and soft rock (see image below). concordant and discordant coastlines bbc bitesize. Okay, now we know what coastlines are. The site is self-funded and your support is really appreciated. Paymaya Annual Report, It remains England's only natural World Heritage Site. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. The hard rock shields the soft rock from erosion. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. She is cooler than I am and has a life instead of enough time to make this. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Practice Questions: Slideshow 2773107 by chanel coastlines. The Jurassic Coast begins at Orcombe . The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google.