The UK's coastline is 31,368 km long (if you include all the main islands). Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Landforms in the middle course of a river. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. A concordant coastline is an arrangement of rock strata along the coastline. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. Today. The concordant coastline runs from west to east along the south coast. Bull's Head in St Oswald's Bay. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Both concordant and discordant. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Deformation is the degree of tilting of folding ofrock. The relatively gentle profile of the beach with a steep ridge at the top of the beach means that the backwash soaks into the sand or slowly drains away. As our Earth warms, glaciers melt, causing the sea level to rise. These waves are also known as plunging waves. The results are deep, lengthy, thin inlets surrounded by high cliff faces. Coastlines are formed through the processes of erosion, transportation, and deposition. Lulworth Cove is located on the so-called Jurassic Coast, spanning 185 million years of geological history, from the Triassic (252 - 201 million years ago), Jurassic (199.6 - 145.5 million years ago), and Cretaceous (145 - 66 million years ago) periods. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. Distribution of earthquakes and volcanoes, Effects of earthquakes and volcanoes on people and the environment, Reducing the impacts of earthquakes and volcanoes, Population and settlement iGCSE Geography, The main causes of a change in population size, A country with a rate of high population growth China, A country which is over-populated Bangladesh, A country which is under-populated Australia, A country with a low rate of population growth or decline Japan. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. Coastal Erosion. How does geology affect the formation of river landforms? Within geography, the definition of a coastline is the area where land meets water. What is the location and importance of Rio de Janeiro? 2. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Under 5's Football Coaching Drills, Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. concordant and discordant coastlines bbc bitesize -Erode the coast-Short wave length, high and steep. Lines of islands separated by narrow sea channels parallel to the coast (sounds). A concordant coastline comprises bands of different rock types that run parallel to the shore. Concordant. 1. The Most Astonishing Coastlines In The World - Culture Trip The rock types are typically of . 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. What are the causes of deforestation in the Amazon? What are shanty town improvement schemes? False! Practice Questions: Slideshow 2773107 by chanel Coasts Revision Booklet. Headlands and Bays 2. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . 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. Discordant coastline . Sediment Cells. Strata are different layers (or beds) of rock. 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. Practice Questions: Slideshow 2773107 by chanel coastlines. PDF Coasts [3]. Bays and Headlands B Gradually the . 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. Lulworth Cove has occurred on a concordant coastline. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. Geology. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Concordant coastlines tend to have fewer bays and headlands. The differing resistance to erosion leads to the formation of headlands and bays. 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! 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. . Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). All maps, graphics, flags, photos and original descriptions 2023 worldatlas.com, Coastal Countries With The Shortest Coastline, Meet 12 Incredible Conservation Heroes Saving Our Wildlife From Extinction, India's Leopard God, Waghoba, Aids Wildlife Conservation In The Country, India's Bishnoi Community Has Fearlessly Protected Nature For Over 500 Years, Wildfires And Habitat Loss Are Killing Jaguars In The Amazon Rainforest, In India's Sundarbans: Where People Live Face-To-Face With Wild Tigers, Africa's "Thunderbird" Is At Risk Of Extinction. Wrong! Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. (bands) of hard rock and soft rock; many bays and headlands. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. A coastline with the same type of rock along its length; fewer bays and headlands . 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. 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. Soft rocks like mudstone and siltstone A concordant coastline produced by the geological structure of folds parallel to the coast. 4 - the process of forming Lulworth Cove, Dorset, UK. Pebble sized particles are bounced along the river bed/sea by the force of the water. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. PBworks / Help Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. . Some concordant coasts have long, narrow islands running parallel to the coastline. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. Beach Headland Blowhole Wave cut platform 9. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. BBC Bitesize. concordant coastlines. A wave-cut notch is created by erosional processes such . Water quality and pollution management in the UK. The United Nations uses coastlines to help determine international boundaries at sea. Bays and headlands are common features along discordant coastlines. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Discordant These are where rock strata or structures are aligned at an angle to the coastline. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Humans, too, could almost be classified as a coastal species! As Thor says, not bad at all. A concordant coastline produced by the geological structure of folds parallel to the coast. What is the role of transnational companies in Nigeria? More resistant strata erode only slowly, and are left projecting into the sea as headlands. pptx, 1.58 MB. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. 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. This process. Not surprisingly, destructive waves destroy beaches. 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. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. concordant and discordant coastlines bbc bitesize. Concordant Coasts . 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. 2B.2A Concordant and Discordant - A-LEVEL GEOGRAPHY REVISION: EDEXCEL The angle these bands make with the coastline makes it either a concordant or discordant coastline. Erosion. Swam in the ocean? The following are facts about destructive waves. BBC iPlayer 37k followers More information Discordant and concordant coasts in Dorset Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Concordant coastlines tend to have fewer bays and headlands. If you continue to use this site we will assume that you are happy with it. Add in the missing words. - Internet Geography What is a concordant coastline? Concordant coastline Uncordant coastline Variable coastline 8. Use the resources provided to write notes that Wave Refraction and Coastal Defences. A coastline is anywhere where the land meets the water. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. When a stretch of coastline is formed from different types of rock, headlands and bays can form. GCSE and A Level Geography Revision. Use the images below to explore related quizzes. The part of the wave in the deeper water moves forward faster causing the wave to bend. Economic opportunities and challenges in Lagos. 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. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. The Holderness coastline - Coolgeography.co.uk Case studies Dorset Jurassic coast and Holderness. A concordant coastline can take one of the following two landform types: An example of a concordant coastline is Lulworth Cove, again, in Dorset, UK (figure 3). The Earth has around 620,000 kilometres (390,000 mi) of coastline. Economic losses to businesses if areas become unattractive and depopulated. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. A concordant coastline is where the same rock runs along the length of the coast. Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. 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. Start studying BBC Geography Bitesize: Coastal Processes. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). (adsbygoogle = window.adsbygoogle || []).push({}); If you've found the resources on this page useful please consider making a secure donation via PayPal to support the development of the site. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Find out more about concordant coastlines. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Shaping our coasts. The differing resistance to erosion leads to the formation of headlands and bays. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. 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. This is called a discordant coastline. 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. Tunisia Case Study. What are the effects of economic development in Nigeria on quality of life? Durdle Door - Wikipedia Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Coastal. Sustainable development in the Temperate Deciduous Woodland. Erosion worsens as the waves becomes stronger. Where are the areas of water deficit and surplus in the UK? The updated BBC Bitesize website has a great video on . Coastal landforms - erosion and deposition - BBC Bitesize Destructive waves are usually . What challenges are associated with the growth of Rio? Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. 8. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. The relative resistance of rock types influences the degree of indentation of bays. The coast is the border between the land and the sea. International migration from Syria to Europe, Japan A country with a high dependent population. The sea has broken through this barrier and easily eroded the clays behind it. Along the coastline of Dorset, there are concordant and discordant coastlines. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. What is a discordant coastline? As we mentioned earlier, this tends to shift the coastline further inland. 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. Which landforms result from moving or melting ice? Stop procrastinating with our study reminders. 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. What is the impact of humans on the savanna? . Discordant coastline . Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. What is chemical and mechanical weathering? Jamaica Case Study, How can the growth of tourism reduce the development gap? Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. coastlines. The discordant coastline runs from Learn vocabulary, terms, and more with flashcards, games, and other study tools. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. Safe access points to the shoreline at several points around the edge. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. 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. The concordant coastline runs from west to east along the south coast. What are the environmental impacts of economic development in Nigeria? What is the impact of humans on the Taiga? Emergent coastlines happen when either the water level has fallen or the land has risen. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. Elsewhere a ridge of sand forms a line of barrier islands, sand banks and mud flats parallel to the coast, e..g Friesian Islands off the North Sea coast of the Netherlands, Germany and western Denmark. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. . Fetch length along with the wind speed (or strength) determines the size of waves produced. Rocks outcrop at right angles to the sea, forming headlands and bays. . 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 . The site is self-funded and your support is really appreciated. The three major coastal processes include erosion, transportation and deposition. concordant coastlines. GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. Concordant Coasts . Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles.
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