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. Specifically looking at the differences between concordant and discordant coastlines. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. True or False: Concordant coastlines form coves. It has a variety of other micro-features and a unique geology. Waves are the main reason for coastal change. How is urban planning improving the quality of life for the urban poor in Mumbai? Erosion worsens as the waves becomes stronger. It is only when the water enters shallower areas that the water itself moves forward. 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 . Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). starter: Students examine the picture and discuss what is happening to the houses and why. Strata are different layers (or beds) of rock. If the direction of classifications is the same, the pairs are concordant. When a stretch of coastline is formed from different types of rock, headlands and bays can form. Insert links to other pages or uploaded files. 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. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. Headlands and bays - Coastal landforms - CCEA - BBC Bitesize You need to do some work on landforms of coastal erosion. A coastline is anywhere where the land meets the water. 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). starter: Students examine the picture and discuss what is happening to the houses and why. Jamaica Case Study, How can the growth of tourism reduce the development gap? Sustainable development in the Temperate Deciduous Woodland. 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 . Where are Temperate Deciduous Woodlands Located? Emergent Coastlines. Coastal Geology - Geography A-Level - Revision World Soluble materials dissolve in water and are carried along. 0. lulworth cove concordant coastline. . Concordant coastline. formed by the erosion of less resistant Wealden Clays. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. pptx, 1.58 MB. Either way, there is now a (bit of) coastline that is no longer submerged under water. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. 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 . How does flooding affect humans and the environment? Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Bays and headlands are common features along 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. . 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. 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 . Specification and other support materials for teachers, including delivery guides Explore. Along the coastline of Dorset, there are concordant and discordant coastlines. Ordinal trends and finding concordant and discordant pairs 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. Stop procrastinating with our study reminders. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . How reliable are economic indicators of development? Economic losses to businesses if areas become unattractive and depopulated. 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. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). How has urbanisation helped Nigeria to develop? Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Best study tips and tricks for your exams. Awesome, well done! These processes are happening constantly and usually work in conjunction to produce coastal features. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. What are concordant and discordant pairs? - Minitab Key Question: What are the different landforms of the Jurassic Coast? In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Concordant. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . What are the social and economic opportunities associated with the growth of Rio? A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Today. Wrong! Image. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. shale), eroding quicker than the hard, resistant rock (e.g. These act as agents of erosion because their . 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. What are shanty town improvement schemes? A discordant coastline occurs where bands of different rock type run perpendicular to the coast. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Coastlines also help us demarcate international boundaries. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Erosion worsens as the waves becomes stronger. 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. These are where rock strata or structures are aligned at an angle to the coastline. Hilbre Island (Cheshire) is an example of a possible fieldwork location. The outer hard rock is Portland limestone. Named after the Dalmatia region on the Adriatic Sea. Try Dokkio Sidebar for free. concordant and discordant coastlines bbc bitesize. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . As we mentioned earlier, this tends to shift the coastline further inland. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. Explore. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. The geology of the Isle is complex. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. This happened over about 1000 years, (very rapid) and submerged coastlines. coastlines. What is the Demographic Transition Model? Stacks, headlands, bays, cliffs and wave-cut platforms are all included. As stated earlier, coves are formed out of concordant coastlines. Originally a band of resistant Portland . Case Study: Coastal Management in Dawlish Warren - Blogger Take a look at our resources under Topics in the menu at the top of the page. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. The differing resistance to erosion leads to the formation of headlands and bays. 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. The gradual breakdown of rocks due to . Because the soft rock is exposed, it is eroded faster than the hard rock. A concordant coastline diminated by limestone in the map has the same type of rock along its length. A unique coastline within the UK is Lulworth Cove in Dorset. Aqa. This differential erosion creates headlands and bays along discordant coastlines. Under 5's Football Coaching Drills, Subsequently there was an increase in the waters of the oceans and the sea level rose appreciably. Which of the following is NOT typically found in a coastal ecosystem? 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. pptx, 1.58 MB. A concordant coastline has the same type. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Importance of the Delta for the region. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Constructed by Australian soldiers over the course of 13 years and officially opened in 1932, the Great Ocean Road is dedicated to fallen soldiers of . A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. CAIE IGCSE Geography 0460 Theory Revision Notes - ZNotes Dip is the angle of inclination of titled strata. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. 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. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. What is a concordant coastline? - Internet Geography What is a concordant coastline? Swanage is located in South England and features both a discordant and concordant coastline (see diagram below) Due to this contrasting geology a number of differences can be outlined. Less resistant rocks are eroded more than the resistant . If you've been to the beach, you've been to a coastline! Sustainable development in the desert The Great Green Wall. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). GCSE 9-1 Coasts: Erosional Landforms Bundle. This means that these waves transport beach material back into the sea, lowering the height of a beach. About 40% of the global population lives within 100km of a coastline. How has demand for water in the UK changed? Paymaya Annual Report, Give the quiz another go and don't forget to read up on this area by heading over to our coasts resources using the topics link at the top of the page. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. 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 ). Pebble sized particles are bounced along the river bed/sea by the force of the water. 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. Jaden Agassi Mlb Draft 2021, Where the rock outcrops run parallel to the sea. Humans, too, could almost be classified as a coastal species! It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . The amount of energy is dependent on the wind speed, the length of time the . What feature is left behind as the cliff retreats? The Earth has around 620,000 kilometres (390,000 mi) of coastline. If the direction of the classification is not the same . Fig. 2. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Case studies Dorset Jurassic coast and Holderness. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). Can the risks of volcanic eruptions be reduced? On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. 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. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The cove is located in a South West England County known as Dorset that is found along the English Channel. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Consequently headlands . This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. Coasts - Revision - Wingate Geography Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. Sea forces change coastal landscapes with the wind being the major source of waves. Lulworth Cove is a classic example of a 'concordant coast' - i.e. The United Nations uses coastlines to help determine international boundaries at sea. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. Coastal Processes: Erosion, Transport and Deposition - Blogger In some cases it is estimated that there was a rise . The more the waves crash onto the beach, the more sediment is washed out to sea. 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. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. Erosion Sea forces change coastal landscapes with the wind being the major source of waves. Fetch length along with the wind speed (or strength) determines the size of waves produced. Discordant and concordant coasts in Dorset. 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! Lulworth Cove has occurred on a concordant coastline. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. What are active, dormant and extinct volcanoes?