concordant and discordant coastlines bbc bitesize
concordant and discordant coastlines bbc bitesize
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. What are the physical characteristics of cold environments? How has the vegetation in the temperate deciduous forest adapted to the climate? Specifically looking at the differences between concordant and discordant coastlines. 2022 kinetico replacement filters, on concordant and discordant coastlines bbc bitesize, williams funeral home st thomas ont obits, Fix Toxic Relationship According To Childhood Trauma Test, Is It Illegal To Sleep In Your Car In Virginia, la crosse aquinas high school live stream, 707 concourse village west housing connect, do you have to transcribe stutters? 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. Add in the missing words. 4 - the process of forming Lulworth Cove, Dorset, UK. Geology is the study of the types of rocks that make up the Earth's crust. Why Is Biodiversity Critical To Life On Earth? Aqa. This differential erosion creates headlands and bays along discordant coastlines. Set individual study goals and earn points reaching them. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. The concordant coastline runs from west to east along the south coast. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. . It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. 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 has rainforest vegetation adapted to the climate? Erosion worsens as the waves becomes stronger. (For example the east of the Dorset coast) How Geology affects the coast . Their wavelength is long and a low frequency (8-10 waves per minute). (For example the south or the Dorset coast) . In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. Try Dokkio Sidebar for free. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Create beautiful notes faster than ever before. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. 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. GCSE and A Level Geography Revision. Over 10 million students from across the world are already learning smarter. Named after the Dalmatia region on the Adriatic Sea. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. The water. The sea has broken through this barrier and easily eroded the clays behind it. False! On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. (For example the south or the Dorset coast) . The differing resistance to erosion leads to the formation of headlands and bays. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. 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. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). True or False: As sea levels rise, coastlines are likely to expand. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Even London is built along the River Thames, which flows into the North Sea. Where the rock outcrops run parallel to the sea. Where do volcanoes and earthquakes happen? How do changes affect the balance of an ecosystem? Correct! Dip is the angle of inclination of titled strata. The following are facts about constructive waves. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. The coast is very young due to recent ice ages and resulting sea level change. A concordant coastline produced by the geological structure of folds parallel to the coast. If you continue to use this site we will assume that you are happy with it. She is cooler than I am and has a life instead of enough time to make this. Or in other words, these types of coastlines have the same type of rock all along its length. What are shanty town improvement schemes? Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. Spanning 243 kilometers along Australia's southeastern coast from Torquay to Allansford, the Great Ocean Road is one of the world's most scenic coastal routes. Bull's Head in St Oswald's Bay. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. While not every UN member has ratified UNCLAS, most nations abide by it anyway. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. Changing rates of rainforest deforestation. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. The processes have been operating over the last 8000 years. You don't have permission to comment on this page. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. The net result is that the sediment gets smaller and smaller over time. Humans, too, could almost be classified as a coastal species! Case studies Dorset Jurassic coast and Holderness. 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. Many of the major cities built directly along coastlines, such as New York City and Tokyo, will be forced to develop solutions that counter rising sea levels or else abandon waterfront infrastructures and construct further inland. The part of the wave in the deeper water moves forward faster causing the wave to bend. 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. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. This is considered sovereign national territory, the same as boundaries on land. Concordant coastline. She is cooler than I am and has a life instead of enough time to make this. An explanation of the formation of the cove can be found on the right. weathering. 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. Why are deserts located along the tropics? Discordant coastline . Which type of underlying geology is most likely to be formed into straight cliffs? It has a variety of other micro-features and a unique geology. 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. concordant coastlines. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. Both concordant and discordant. The United Nations uses coastlines to help determine international boundaries at sea. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. Either way, there is now a (bit of) coastline that is no longer submerged under water. Landscapes. 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. Today. A concordant coastline diminated by limestone in the map has the same type of rock along its length. These will be exam question style ranging from 4, 6 and 9 mark questions. Caves occur when waves force their way into cracks in the cliff face. How Is Climate Change Impacting The Water Cycle. Full lesson covering the different types of erosion and geology along the coast. Headlands and bays Cliffs along the coastline do not erode at the same pace. An explanation of the formation of the cove can be found on the right. Identify your study strength and weaknesses. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). What does scenery formed by erosion look like? BBC Bitesize Geoguessr Google Maps Gapminder . This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. As our Earth warms, glaciers melt, causing the sea level to rise. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Headlands and bays can form on concordant coastlines too, as has happened . North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. Best study tips and tricks for your exams. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. A wave-cut notch is created by erosional processes such . Pinterest. As the wave approaches the coast, it gains height and drops onto a steep beach. The concordant coastline runs from west to east along the south coast. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. Each process can produce several coastal features; however, they often work together to sculpt the coastlines. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian 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. Along the coastline of Dorset, there are concordant and discordant coastlines. We use cookies to ensure that we give you the best experience on our website. Correct! If you have, then you've been to a coast and walked along a coastline. 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 ). This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. 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. Lulworth Cove has occurred on a concordant coastline. Start studying BBC Geography Bitesize: Coastal Processes. Coastlines will expand as climate change continues. 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 angle these bands make with the coastline makes it either a concordant or discordant coastline. Rocks outcrop at right angles to the sea, forming headlands and bays. Find out more about concordant coastlines. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Specifically looking at the differences between concordant and discordant coastlines. The geology of the Isle is complex. The concordant coastline runs from west to east along the south coast. 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. The results are deep, lengthy, thin inlets surrounded by high cliff faces. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. 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 . 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. 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). As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Touch device users . Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. 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. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. A ria coast hosts multiple rias. 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 . Concordant and discordant coastlines. The following are facts about destructive waves. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. . Beach Headland Blowhole Wave cut platform 9. The three major coastal processes include erosion, transportation and deposition. A coastline with the same type of rock along its length; fewer bays and headlands . Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. Concordant. At points where the Portland is weaker, erosion hasbroken through and then rapidly eroded out the softer strata laterally, creating a series of coves, e.g. 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 relative resistance of rock types influences the degree of indentation of bays. Why is the Human Development Index important? 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. As the wave breaks, it carries material up the beach in its swash. 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. Because of this difference in erosion resistance, discordant coastlines are home to headlands, due to eroding hard rock, and bays, due to eroding soft rock. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Shingle ridge reconnected island of Portland Bill to land (a tombolo). How has the growth of Lagos caused inequality? These are coastlines where the bands of rock run perpendicular to the coastline meaning . A concordant coastline comprises bands of different rock types that run parallel to the shore. 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). Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. Great Ocean Road, Australia. 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. Concordant coastlines tend to have fewer bays . Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. 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. Human and physical factors causing river flooding. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. A concordant coastline is an arrangement of rock strata along the coastline. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. 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 . Stop procrastinating with our study reminders. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. The rock types are typically of . The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . The Jurassic Coast begins at Orcombe . Concordant coastlines tend to have fewer bays and headlands. What feature is left behind as the cliff retreats? A concordant coastline diminated by limestone in the map has the same type of rock along its length. If you've been to the beach, you've probably seen some of them: mangrove trees and hermit crabs, penguins and sea oats- organisms that can neither fully survive way out at sea, nor venture too far inland. Soft rocks like mudstone and siltstone Water quality and pollution management in the UK. Soluble materials dissolve in water and are carried along. What are the social and economic opportunities associated with the growth of Rio? Jamaica Case Study, How can the growth of tourism reduce the development gap? 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. Test your knowledge with gamified quizzes. The length of perimeter approx 2km. Some concordant coasts have long, narrow islands running parallel to the coastline. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Human actions and Physical factors affecting the Delta. PSYCHIC TWINS . A concordant coastline is where the same rock runs along the length of the coast. The differing resistance to erosion leads to the formation of headlands and bays. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Less resistant rocks are eroded more than the resistant . 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. Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . What challenges have been caused by urban growth in Mumbai? Fig. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. They are more common in winterthan in the summer. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes discordant coastlines. Extended writing tasks 2 a half term. How does flooding affect humans and the environment? As a result of the coastal feature, the depth of water around a coast varies. How has urbanisation helped Nigeria to develop? Coastlines are formed through the processes of erosion, transportation, and deposition. A wave-cut platform is a wide, gently sloping surface found at the cliff's base and extends into the sea. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. Jaden Agassi Mlb Draft 2021, Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Take a look at our resources under Topics in the menu at the top of the page. Concordant coastlines tend to have fewer bays . Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. Create and find flashcards in record time. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. 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. Coasts can be classified in a variety of . 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. Why is the weather of the UK so changeable? Long offshore islands and coastal inlets are running parallel to the coastline. The geology of the Isle is complex. Which of the following are associated with discordant coastlines? As we mentioned earlier, this tends to shift the coastline further inland. It has a variety of other micro-features and a unique geology. They are also called spilling or surging waves. Why is there a trend towards agribusiness? Concordant Coasts . 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. Caves occur when waves force their way into cracks in the cliff face. Which landforms result from moving or melting ice? Soft engineering: Beach nourishment is a type of soft approach. There are four processes involved in the eroding coastlines. Did you know? The amount of energy is dependent on the wind speed, the length of time the . How have plants adapted to cold environments? Have all your study materials in one place. 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. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. The Jurassic Coast is a world-renowned site where you can find geological (natural) features, and different types of fossils, such as dinosaurs and a fossil forest. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Key Question: What are the different landforms of the Jurassic Coast? Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. 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. This is because access to the coast offers the opportunity for harvesting marine resources, especially fish, as well as the ability to conduct international trade via the sea. Correct! South Dorset Coast 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 . A concordant coastline. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. discordant coastlines. They have a low gradient, typically under one meter in height. Definitions. Destructive waves are usually very high, over 1m. What is the structure of the tropical rainforest? guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. If the direction of the classification is not the same . -Erode the coast-Short wave length, high and steep. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). Which of the following is NOT a major process through which waves shape the coast? Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. Discordant and concordant coasts in Dorset. Coastlines also help us demarcate international boundaries. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. The three marine processes that shape the coastline are erosion, transportation, and deposition. These act as agents of erosion because their . 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.