A concordant coastline comprises bands of different rock types that run parallel to the shore. Bays and headlands are common features along discordant coastlines. Sustainable development in the desert The Great Green Wall. 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. Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. A fjord coast hosts multiple fjords. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. 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. Erosion worsens as the waves becomes stronger. . The coast is the border between the land and the sea. . Lulworth . A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Waves are the main reason for coastal change. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). discordant coastlines. 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. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. The amount of energy is dependent on the wind speed, the length of time the . Soft rocks like mudstone and siltstone GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. Concordant coasts have alternating layers of hard and soft rock that run parallel 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 challenges are associated with the growth of Rio? The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. The concordant coastline runs from west to east along the south coast. What is the Demographic Transition Model? What is the structure of the tropical rainforest? What are Mumbais social and economic opportunities? 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. (bands) of hard rock and soft rock; many bays and headlands. This process happens over thousands of years. 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. Erosion. A concordant coastline produced by the geological structure of folds parallel to the coast. Erosion worsens as the waves becomes stronger. These Dalmatian types normally occur . 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. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. This happened over about 1000 years, (very rapid) and submerged coastlines. 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 . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. As Thor says, not bad at all. A concordant coastline is an arrangement of rock strata along the coastline. . A concordant coastline diminated by limestone in the map has the same type of rock along its length. What challenges have been caused by urban growth in Mumbai? Shaping our coasts. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. If you have, then you've been to a coast and walked along a coastline. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. 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. e.g. What is the difference between a tornado and a hurricane? concordant coastlines. Fetch length along with the wind speed (or strength) determines the size of waves produced. As the wave breaks, it carries material up the beach in its swash. What are the different types of weathering? Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. 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. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Specifically looking at the differences between concordant and discordant coastlines. Concordant coastlines tend to have fewer bays . 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. Safe access points to the shoreline at several points around the edge. Aqa. A coastline is an area where land meets the water. B Gradually the . The part of the wave in the deeper water moves forward faster causing the wave to bend. B Gradually the . The UK's coastline is 31,368 km long (if you include all the main islands). As stated earlier, coves are formed out of concordant coastlines. What are the effects of deforestation in the Amazon? Both concordant and discordant. A concordant coastline is an arrangement of rock strata along the coastline. Okay, now we know what coastlines are. Upload unlimited documents and save them online. The process of erosion can create different landforms along the coastline. Not surprisingly, destructive waves destroy beaches. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . These waves are also known as plunging waves. What are the impacts of industry on the physical environment? This lesson was designed initially for an interview, and worked really well for a 50 minute lesson duration. Introduction to the location of the Delta. Free and expert-verified textbook solutions. Historic records indicate that over 250 m of land were lost between 1600 and 1850. 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. There are rias throughout the world, including Poole Harbour in Dorset. When a stretch of coastline is formed from different types of rock, headlands and bays can form. The Earth has approximately 620,000 kilometres (390,000mi) of coastlines and they are not just a barrier between land and water; they are also important natural ecosystems. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. 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 differing resistance to erosion leads to the formation of headlands and bays. Coasts are shaped by the processes of erosion, transportation and deposition. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. 3. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Correct! Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . What is the structure of the Temperate Deciduous Woodland? Learn vocabulary, terms, and more with flashcards, games, and other study tools. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g.
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