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. What is the location and importance of Mumbai? The discordant coastline runs from 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. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. The UK's coastline is 31,368 km long (if you include all the main islands). Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. The amount of energy is dependent on the wind speed, the length of time the . Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. BBC Bitesize. Chesil Beach in Dorset was formed this way. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. They are also called spilling or surging waves. Our geography videos are developed with links to various specifications including Geography GCSE, Geography IGCSE, Geography AS-level, Geography A-level, Geography IA-level, Geography National 5, Geography Higher. When a stretch of coastline is formed from different types of rock, headlands and bays can form. How has the growth of Lagos caused inequality? Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. . Lulworth Cove is a classic example of a 'concordant coast' - i.e. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. . 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. 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. 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. Earn points, unlock badges and level up while studying. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. This belongs to: _____. 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. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. Great Ocean Road, Australia. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. Quick revise. As the wave breaks, it carries material up the beach in its swash. Fig. Adapted from BBC. Discordant coastlines have bands of different rock types running perpendicular to the coast; concordant coastlines have bands of similar rock types running parallel to the coast. Bay and headland - Durdle Door, Dorset. Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . The Dorset Coast, located to the south of England on the English Channel, runs from Lymme Regis in the west, past Old Harry Rocks in Purbeck to Highcliffe in the east. Coastlines are formed through the processes of erosion, transportation, and deposition. It's a way of having all my information in one place. 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 . A discordant coastline occurs where bands of different rock type run perpendicular to the coast. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. What is the impact of humans on the Taiga? 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. 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). True or False: Concordant coastlines form coves. Sign up to highlight and take notes. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Which landforms result from moving or melting ice? Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Concordant coastlines tend to have fewer bays and headlands. What is Nigerias location and importance? May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. 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. 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. Erosion worsens as the waves becomes stronger. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Because the waves are so frequent, the backwash has less time to soak into the sand. 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. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Soft engineering: Beach nourishment is a type of soft approach. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Their wavelength is .and a.. frequency (8-10 waves per minute). StudySmarter is commited to creating, free, high quality explainations, opening education to all. Or built a sand castle next to the waves? Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Both concordant and discordant. A concordant coastline produced by the geological structure of folds parallel to the coast. . Economic losses to businesses if areas become unattractive and depopulated. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. The coast is very young due to recent ice ages and resulting sea level change. It can be reached at low tide by walking from the mainland. Insert links to other pages or uploaded files. Categories . . Discordant. How have plants adapted to cold environments? Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. As we mentioned earlier, this tends to shift the coastline further inland. Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Correct! What is migration and why do people migrate? How have animals adapted to cold environments? Protection of cold environments as wilderness areas. They are more common in winterthan in the summer. Where do volcanoes and earthquakes happen? How reliable are economic indicators of development? Sustainable development in the desert The Great Green Wall. Create your own unique website with customizable templates. Key Question: What are the different landforms of the Jurassic Coast? Concordant coastline 2. These are where rock strata or structures are aligned at an angle to the coastline. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Destructive waves are usually very high, over 1m. Geology is the study of the types of rocks that make up the Earth's crust. A chalk cliff face is at the back of the cove. 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. Add in the missing words. The relative resistance of rock types influences the degree of indentation of bays. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. During a storm, the most common waves are destructive. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. A fjord coast hosts multiple fjords. 2. Shaping our coasts. https://commons.wikimedia.org/wiki/File:Lulworth.png. (8) Coasts - Grade Booster Geog' Clips Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. 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. Select all that apply. Headlands and bays can form on concordant coastlines too, as has happened . You need to do some work on landforms of coastal erosion. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). For example, both X and Y rate item 1 higher than item 2. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. A concordant coastline is an arrangement of rock strata along the coastline. Explore. (For example the south or the Dorset coast) . A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London.
Lonnie Turner Jr Forensic Files,
Georgia Avery Santa Barbara,
Navien Tankless Water Heater Condensate Drain,
Alvarez Guedes Cause Of Death,
Tolerable Limits Of Transverse Chromatic Aberration,
Articles C