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Concordant coastlines tend to have fewer bays . 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. What are the three processes that shape the coastline? starter: Students examine the picture and discuss what is happening to the houses and why. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Subsequently there was an increase in the waters of the oceans and the sea level rose appreciably. Emergent Coastlines. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. Geology is the study of the types of rocks that make up the Earth's crust. Specification and other support materials for teachers, including delivery guides Explore. 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 . How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? pptx, 1.58 MB. 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. Along the coastline of Dorset, there are concordant and discordant coastlines. What is migration and why do people migrate? As stated earlier, coves are formed out of concordant coastlines. 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). A concordant coastline has the same type of rock along its. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Geology is the study of the types of rocks that make up the Earth's crust. She is cooler than I am and has a life instead of enough time to make this. Label two landforms shown in the photograph (2) Coasts - Grade Booster. This belongs to: _____. Barton-on-Sea, in particular, is a well-known place to study coast erosion and sea-defence work, some successful, some partly successful, and some failed. The relative resistance of rock types influences the degree of indentation of bays. Definitions. Reasons for Protecting Dawlish Warren: 1. 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 feature is left behind as the cliff retreats? Stop procrastinating with our smart planner features. A joint is a fracture of rock without movement from the original position, e.g. It can be reached at low tide by walking from the mainland. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. It remains England's only natural World Heritage Site. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. Emergent coastlines happen when either the water level has fallen or the land has risen. A fjord coast hosts multiple fjords. As we mentioned earlier, this tends to shift the coastline further inland. Add in the missing words. (BBC, 2006). The Jurassic Coast begins at Orcombe . Sandridge formed bars across some bays and river mouths, with trapped river water forming a lagoon behind (callled haffs in Poland on the Baltic Sea). 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. A coastline is anywhere where the land meets the water. Which of the following are associated with discordant coastlines? The sea has broken through this barrier and easily eroded the clays behind it. Where are polar and tundra environments located? Coasts are shaped by the processes of erosion, transportation and deposition. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. What is a discordant coastline? Waves are the main reason for coastal change. The processes have been operating over the last 8000 years. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. The concordant coastline runs from west to east along the south coast. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). Published by at February 16, 2022. Summer 2 Emerging economies: Asia Studying the emergence of economies in Asia known A concordant coastline is an arrangement of rock strata along the coastline. How Is Climate Change Impacting The Water Cycle. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Bays and headlands are common features along discordant coastlines. Paymaya Annual Report, The processes have been operating over the last 8000 years. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. Economic losses to businesses if areas become unattractive and depopulated. 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. This means that these waves transport beach material back into the sea, lowering the height of a beach. The UK's coastline is 31,368 km long (if you include all the main islands). Long offshore islands and coastal inlets are running parallel to the coastline. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Links to wider reading and an introductory video. Shaping our coasts. Great Ocean Road, Australia. These waves are also known as plunging waves. 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. pptx, 1.58 MB. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. 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 Which of the following are major types of coastlines? Strata are different layers (or beds) of rock. The sea attacks a weakness in the base of the cliff. lulworth cove concordant coastline. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. The differing resistance to erosion leads to the formation of headlands and bays. What are the differences in global calorie intake and food supply? Sustainable development in the Temperate Deciduous Woodland. Lulworth Cove has occurred on a concordant coastline. Named after the Dalmatia region on the Adriatic Sea. 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. 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. Fig. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . The concordant coast may take one of two landform types. Coasts Revision Booklet. 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. GCSE 9-1 Coasts: Erosional Landforms Bundle. A bedding plane is the interface between two sedimentary strata. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. A concordant coastline is an arrangement of rock strata along the coastline. A coastline is an area where land meets the water. coastlines. BBC Bitesize. Wave Refraction and Coastal Defences. You know your landforms of coastal erosion. Aqa. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. What factors influence the effects and response to tectonic activity? You don't have permission to comment on this page. The low-energy wave spills into the bays as . Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. PBworks / Help What is the value of the tropical rainforest? Less resistant rocks are eroded more than the resistant . The concordant coastline runs from west to east along the south coast. in height. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. They are also called spilling or surging waves. A famous example of a coastline. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. Create flashcards in notes completely automatically. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. 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. 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 - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. For example, both X and Y rate item 1 higher than item 2. BBC Bitesize. How does food insecurity affect the environment? What is a concordant coastline? The concordant coastline runs from west to east along the south coast. She is cooler than I am and has a life instead of enough time to make this. Create your own unique website with customizable templates. 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. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. 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. A concordant coastline diminated by limestone in the map has the same type of rock along its length. . Concordant coastline Uncordant coastline Variable coastline 8. Importance of the Delta for the region. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. A concordant coastline has the same type. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. A concordant coastline comprises bands of different rock types that run parallel to the shore. Concordant coastline. 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. Irrespective of whether the coastline is concordant or discordant, as wave refraction takes place around the headlands and erosion of the bay is reduced, sub-aerial weathering such as corrosion and corrasion begins to . Their wavelength is long and a low frequency (8-10 waves per minute). Limestone Case Study Malham, The Yorkshire Dales. Because the waves are so frequent, the backwash has less time to soak into the sand. 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. Be perfectly prepared on time with an individual plan. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. Geological structure is the characteristics and arrangement of rock units. 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. Concordant coastlines tend to have fewer bays and headlands. Or in other words, these types of coastlines have the same type of rock all along its length. 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. B Gradually the . The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. This is called a discordant coastline. Categories . Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. 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. The longer the fetch length and the faster the wind speed, the . Key Question: What are the different landforms of the Jurassic Coast? 5 July 2020 / in AQA GCSE Geography , Coasts , Landforms of Coastal Erosion / by Anthony Bennett A discordant coastline is where the geology alternates between strata (bands) of soft and hard rock. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Along the coastline of Dorset, there are concordant and discordant coastlines. What is the Demographic Transition Model? 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. The rock types are typically of . What are Mumbais social and economic opportunities? Discordant coastline . An explanation of the formation of the cove can be found on the right. Set individual study goals and earn points reaching them. Sediment Cells. 0. lulworth cove concordant coastline. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. Specifically looking at the differences between concordant and discordant coastlines. An explanation of the formation of the cove can be found on the right. 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