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

What are the environmental impacts of economic development in Nigeria? pptx, 1.58 MB. The three marine processes that shape the coastline are erosion, transportation, and deposition. Emergent coastlines happen when either the water level has fallen or the land has risen. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. The outer layers of the coastline, those directly on the waterline, are Portland and Purbeck limestone, and they have been eroded away over many years. Did you know? 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. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. As erosion processes take place, the clay erodes away quicker than the. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Concordant. 0. lulworth cove concordant coastline. Touch device users . Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. They are also called spilling or surging waves. What are the effects of deforestation in the Amazon? What are the differences in global calorie intake and food supply? What percent of the global population lives within 100km of a coastline? 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. . Concordant coastlines tend to have fewer bays and headlands. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. 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). full verbatim. . Everything you need for your studies in one place. 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 . Use the images below to explore related quizzes. How Is Climate Change Impacting The Water Cycle. 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. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. . In places such as Worbarrow Bay and St Oswald's Bay, lateral widening of coves led to them joining into a single bay, with remnants of the outer Portland left as a line of stumps parallel to the coast, e.g. Swam in the ocean? Discordant 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. Both concordant and discordant. Correct! Create your own unique website with customizable templates. While not every UN member has ratified UNCLAS, most nations abide by it anyway. What problems are caused by global warming? They are more common in . For example, both X and Y rate item 1 higher than item 2. pptx, 1.58 MB. This quiz focusses in particular on those features which are caused by coastal erosion. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. A ria is a drowned river valley that leads out to the sea. The part of the wave in the deeper water moves forward faster causing the wave to bend. . Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Concordant Coasts . Click To Play 1. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. 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. How have plants adapted to cold environments? Case studies Dorset Jurassic coast and Holderness. 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 ). What is the highest point of a wave called? They are more common in winterthan in the summer. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. What are the different types of weathering? An example of a popular cove situated in a concordant coastline is the Lulworth Cove. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. 3 Revision Guides Business Studies: - Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision Guide Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision workbook Computing: - Students have already been provided with a revision guide and question books. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. A fjord coast hosts multiple fjords. 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 . 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. We use cookies to ensure that we give you the best experience on our website. concordant coastlines. Stop procrastinating with our study reminders. Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. This process. 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. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. Free and expert-verified textbook solutions. 3. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Ways destructive waves destroy the coastline . The coast is the border between the land and the sea. How does geology affect the formation of river landforms? Where are the areas of water deficit and surplus in the UK? Have all your study materials in one place. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. When a stretch of coastline is formed from different types of rock, headlands and bays can form. Label two landforms shown in the photograph (2) Coasts - Grade Booster. e.g. 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. Concordant and discordant coastlines. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. Coastlines will expand as climate change continues. Specifically looking at the differences between concordant and discordant coastlines. What is Nigerias location and importance? Adapted from BBC. Headlands and bays Cliffs along the coastline do not erode at the same pace. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . A concordant coastline has the same type of rock along its. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. It's a way of having all my information in one place. (For example the south or the Dorset coast) . Faulting is the fracturing of rock with movement from its original position. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Beach Headland Blowhole Wave cut platform 9. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. A concordant coastline produced by the geological structure of folds parallel to the coast. guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Landscapes. caused by the shrinkage of igneous rock as it cools. The more the waves crash onto the beach, the more sediment is washed out to sea. Select all that apply. How reliable are economic indicators of development? Now you can find what you're looking for wherever it lives. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. What are the economic and environmental issues of energy production? There are 3 main groups of coastal features which result from coastal erosion: 1. How has urbanisation helped Nigeria to develop? Strata are different layers (or beds) of rock. Correct! Risks facing the Delta. 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, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email a link to a friend (Opens in new window), Click to share on WhatsApp (Opens in new window), Internet Geography Plus Terms and Conditions. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. Fetch length along with the wind speed (or strength) determines the size of waves produced. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. The geology of the Isle is complex. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Rocks outcrop at right angles to the sea, forming headlands and bays. The fetch, often called the fetch length, is the length of water over which a given wind has blown. Add in the missing words. The shape of the cove is the result of wave diffraction. A concordant coastline diminated by limestone in the map has the same type of rock along its length. This results in the formation of headlands and bays. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Wave Refraction and Coastal Defences. 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 . 1. What are the effects of economic development in Nigeria on quality of life? Pinterest. 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. Where the rock outcrops run parallel to the sea. As our Earth warms, glaciers melt, causing the sea level to rise. The UK's coastline is 31,368 km long (if you include all the main islands). Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. As the wave approaches the coast, it gains height and drops onto a steep beach. Whenever you search in PBworks, Dokkio Sidebar (from the makers of PBworks) will run the same search in your Drive, Dropbox, OneDrive, Gmail, and Slack. Coasts Revision Booklet. Key Question: What are the different landforms of the Jurassic Coast? 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. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. Introduction to the location of the Delta. Specifically looking at the differences between concordant and discordant coastlines. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. Fig. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Wrong! As a wave undercuts a cliff the cliff retreats. (For example the east of the Dorset coast) How Geology affects the coast . Paymaya Annual Report, Type # 1. The concordant coastline runs from west to east along the south coast. It varies enormously from tropical looking Luskentyre in the Outer Hebrides, to the jagged coasts of Cornwall, from the low lying muddy estuarine coast of the Wash, to broad sandy beach and dunes at Bamburgh in Northumberland. Waves interact with land through three major marine processes: erosion, transportation, and deposition. Erosion. Stop procrastinating with our smart planner features. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. 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. Weathering and mass movement in river valleys. She is cooler than I am and has a life instead of enough time to make this. Coasts are shaped by the processes of erosion, transportation and deposition. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. . This. Coastal. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Because the waves are so frequent, the backwash has less time to soak into the sand. BBC Bitesize. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). The outer hard provides a protective barrier to erosion of the softer rocks further inland. Add in the missing words. 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. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. The low-energy wave spills into the bays as . discordant coastlines. Joints,Dips and Faults in terms of rocks. What is the difference between a tornado and a hurricane? It's a way of having all my information in one place. of the users don't pass the Coastlines quiz! Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. $14 million dollar house maine; The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Both concordant and discordant. StudySmarter is commited to creating, free, high quality explainations, opening education to all. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. 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. During the Devensian Glacial eustatic changes lowered sea levels by 120 m. At the start of the Holocene Interglacial (10,000 years BP) led to a rapid 100 m eustatic rise in global sea levels, as 3,000 years of ice sheets and glaciers shrank. How has hot desert vegetation adapted to the climate? In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. 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. How is demand for energy changing in the UK? It has a variety of other micro-features and a unique geology. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. A famous example of a coastline. BBC Bitesize. Safe access points to the shoreline at several points around the edge. Shaping our coasts. It has a discordant coastline along the east and concordant coastline along the south. 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. 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. This happened over about 1000 years, (very rapid) and submerged coastlines. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. 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 . Learn vocabulary, terms, and more with flashcards, games, and other study tools. The longer the fetch length and the faster the wind speed, the . Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Re-rerouting a two lane road can cost between 150,000 and 250,000 per 100 m. The collapse of the section of coast supporting the South Devon Main Line Railway in February 2014 cost 35 million to repair, and businesses in the South West lost 60 million. 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. Erosion worsens as the waves becomes stronger. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. 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. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. How can the impacts of climate change be managed? Ripples are created; these ripples will become waves if the wind is sustained. 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). Its 100% free. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Discordant and concordant coasts in Dorset. 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. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. A concordant coastline comprises bands of different rock types that run parallel to the shore. Image. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. 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. How have animals adapted to cold environments? the same rock types are parallel to the coastline, with alternating bands of different rock types running parallel to the coastline behind it (as opposed to a 'discordant coastline' where the rock types are perpendicular to the coastline, presenting differing rock types to the sea along the coastline). (8) Coasts - Grade Booster Geog' Clips These processes are happening constantly and usually work in conjunction to produce coastal features. dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam About 40% of the global population lives within 100km of a coastline. There are four processes involved in the eroding coastlines. 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). You need to do some work on landforms of coastal erosion. There are rias throughout the world, including Poole Harbour in Dorset. The coast is the border between the land and the sea. 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. The differing resistance to erosion leads to the formation of headlands and bays. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. These will be exam question style ranging from 4, 6 and 9 mark questions. 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 . lulworth cove concordant coastline. What does scenery formed by erosion look like? Where do volcanoes and earthquakes happen? 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. What are active, dormant and extinct volcanoes? Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. Long spits of sands run parallel to the low coast, enclosing the coast. As a result of the coastal feature, the depth of water around a coast varies. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. PSYCHIC TWINS . The soft rock is made of clay and sands, and the hard rock is chalk and limestone. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Copyright2007 - 2023 Revision World Networks Ltd. Erosion worsens as the waves becomes stronger. Or in other words, these types of coastlines have the same type of rock all along its length. The process of erosion can create different landforms along the coastline. Rocks outcrop at right angles to the sea, forming headlands and bays. The Earth has around 620,000 kilometres (390,000 mi) of coastline. How has rainforest vegetation adapted to the climate? The cove is located in a South West England County known as Dorset that is found along the English Channel.