Concordant coastlines tend to have fewer bays and headlands. How can the impacts of climate change be managed? Concordant. Over time, waves beating against the shore will wear it down (or erode it). https://commons.wikimedia.org/wiki/File:Lulworth.png. Case studies Dorset Jurassic coast and Holderness. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Human and physical factors causing river flooding. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . pptx, 1.58 MB. A chalk cliff face is at the back of the cove. how to change text duration on reels. 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. They have a mainly circular orbit, a steep gradient. Emergent Coastlines. The three major coastal processes include erosion, transportation and deposition. Concordant and discordant coastlines. Hilbre Island (Cheshire) is an example of a possible fieldwork location. 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. 8. 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. A coastline is an area where land meets the water. If you've been to the beach, you've been to a coastline! (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. The angle these bands make with the coastline makes it either a concordant or discordant coastline. The three major coastal processes include erosion, transportation and deposition. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. Geology. What is the role of transnational companies in Nigeria? The image below shows how the refracted wave becomes increasingly parallel to the shoreline. A coastline with the same type of rock along its length; fewer bays and headlands . But do they serve as anything more than a place to go for a hike or a tan? These form where deposition produces unconsolidated geological structures parallel to the coastline. Coasts are shaped by the processes of erosion, transportation and deposition. Headlands and bays Cliffs along the coastline do not erode at the same pace. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. The differing resistance to erosion leads to the formation of headlands and bays. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. coastal landforms, any of the relief features present along any coast, the result of a combination of processes, sediments, and the geology of the coast itself. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Straight coastline now formed by a concordant band of constant chalk. A fjord coast hosts multiple fjords. Headlands and bays can form on concordant coastlines too, as has happened . Wrong! The sea has broken through this barrier and easily eroded the clays behind it. As we mentioned earlier, this tends to shift the coastline further inland. They are most common where fetchis short. 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 . A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Pinterest. Extended writing tasks 2 a half term. Select all that apply. These will be exam question style ranging from 4, 6 and 9 mark questions. Set individual study goals and earn points reaching them. 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 . than in summer. concordant coastlines. What is the value of the tropical rainforest? Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. False! Not surprisingly, destructive waves destroy beaches. Geology is the study of the types of rocks that make up the Earth's crust. 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. A wave-cut notch is created by erosional processes such . Sustainable development in the desert The Great Green Wall. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes They have a low gradient, typically under one meter in height. (BBC, 2006). A famous example of a coastline. Concordant coastline 2. While not every UN member has ratified UNCLAS, most nations abide by it anyway. 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 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. The sea attacks a weakness in the base of the cliff. The following are facts about destructive waves. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Weathering and mass movement in river valleys. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. caused by the shrinkage of igneous rock as it cools. The differing resistance to erosion leads to the formation of headlands and bays. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. Specifically looking at the differences between concordant and discordant coastlines. Sign up to highlight and take notes. How does flooding affect humans and the environment? Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. Erosion Sea forces change coastal landscapes with the wind being the major source of waves. Concordant coastlines tend to have fewer bays and headlands. Either way, there is now a (bit of) coastline that is no longer submerged under water. A concordant coastline. Subsequently there was an increase in the waters of the oceans and the sea level rose appreciably. The three marine processes that shape the coastline are erosion, transportation, and deposition. The geology of the Isle is complex. 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. 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. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Unique access to harvest all resources within the EEZ, including fishing and fracking. What are the differences in global calorie intake and food supply? Limestone Case Study Malham, The Yorkshire Dales. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. The cove is located in a South West England County known as Dorset that is found along the English Channel. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Wrong! Over 10 million students from across the world are already learning smarter. 3. The concordant coastline runs from west to east along the south coast. Their wavelength is .and a.. frequency (8-10 waves per minute). 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. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Named after the Dalmatia region on the Adriatic Sea. This is called a discordant coastline. The coastal environment of the world is made up of a wide variety of landforms manifested in a spectrum of sizes and shapes ranging from gently sloping beaches to high cliffs, yet coastal landforms are best considered in two broad . What is the impact of humans on the temperate deciduous woodland? It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. This. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. When a stretch of coastline is formed from different types of rock, headlands and bays can form. This differential erosion creates headlands and bays along discordant coastlines. Swam in the ocean? They are more common in winterthan in the summer. Jamaica Case Study, How can the growth of tourism reduce the development gap? What are the impacts of industry on the physical environment? Create your own unique website with customizable templates. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. The hard rock shields the soft rock from erosion. The fetch, often called the fetch length, is the length of water over which a given wind has blown. 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. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. This process. A concordant coastline is an arrangement of rock strata along the coastline. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. Quick revise. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. They are also called spilling or surging waves. The concordant coastline runs from west to east along the south coast. How Is Climate Change Impacting The Water Cycle. Long offshore islands and coastal inlets are running parallel to the coastline. Create beautiful notes faster than ever before. Chucky Trill Net Worth 2020. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. What factors influence the effects and response to tectonic activity? What is the impact of humans on the savanna? How have animals adapted to cold environments? As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the ocean or a lake. Label two landforms shown in the photograph (2) Coasts - Grade Booster. Economic losses to businesses if areas become unattractive and depopulated. pg. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. formed by the erosion of less resistant Wealden Clays. They are more common in . Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. What are they? concordant coastlines. Erosion. 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. What is the structure of the tropical rainforest? Take a look at our resources under Topics in the menu at the top of the page. Correct! geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. (For example the east of the Dorset coast) How Geology affects the coast . Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Coasts can be classified in a variety of . The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. Geology. An explanation of the formation of the cove can be found on the right. A unique coastline within the UK is Lulworth Cove in Dorset. The Jurassic Coast begins at Orcombe . Caves occur when waves force their way into cracks in the cliff face. A concordant coastline has the same type of rock. The updated BBC Bitesize website has a great video on . Their wavelength is long and a low frequency (8-10 waves per minute). A concordant coastline is where the same rock runs along the length of the coast. Insert links to other pages or uploaded files. Why is the Human Development Index important? Nie wieder prokastinieren mit unseren Lernerinnerungen. How has the growth of Lagos caused inequality? Bay and headland - Durdle Door, Dorset. What are the air masses that affect the UK? Soft engineering: Beach nourishment is a type of soft approach. The coastal engineering for the shoreline protection involves: . 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 . The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. Hydraulic action, attrition, abrasion, and corrosion. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Everything you need for your studies in one place. Key Question: What are the different landforms of the Jurassic Coast? 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. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). Create and find flashcards in record time. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. The discordant coastline runs from The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Give the quiz another go and don't forget to read up on this area by heading over to our coasts resources using the topics link at the top of the page. Specifically looking at the differences between concordant and discordant coastlines. Along the coastline of Dorset, there are concordant and discordant coastlines. Add in the missing words. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . 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 . It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Concordant Coasts . The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. How is urban planning improving the quality of life for the urban poor in Mumbai? 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. 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 Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. 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. How do weather and climate affect river landscapes? Practice Questions: Slideshow 2773107 by chanel coastlines. . This belongs to: _____. Highly popular with tourists - 20,00 people on the spit at peak times (the Environment Agency concluded that between 18th August and the 12th December 2004, 487,624 visitors visited Dawlish Warren equating . Touch device users . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Rocks outcrop at right angles to the sea, forming headlands and bays. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. Fjords are created when glaciers cut through valleys and are submerged. The outer hard provides a protective barrier to erosion of the softer rocks further inland. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Geology is the study of the types of rocks that make up the Earth's crust. Discordant coastline . Sediment Cells. 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. The longer the fetch length and the faster the wind speed, the . Coasts Revision Booklet. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Numerous plants and animals have adapted to live along coastlines. Stop procrastinating with our smart planner features. The low-energy wave spills into the bays as . The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). 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. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Stop procrastinating with our study reminders. 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). 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. pg. How reliable are economic indicators of development? These will be exam question style ranging from 4, 6 and 9 mark . The Earth has around 620,000 kilometres (390,000 mi) of coastline. Use the resources provided to write notes that Wave Refraction and Coastal Defences. As a wave undercuts a cliff the cliff retreats. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. The part of the wave in the deeper water moves forward faster causing the wave to bend. A concordant coastline diminated by limestone in the map has the same type of rock along its length.
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