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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 Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Pinterest. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. How can the impacts of climate change be managed? The updated BBC Bitesize website has a great video on . The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. Nie wieder prokastinieren mit unseren Lernerinnerungen. Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. Try Dokkio Sidebar for free. . B Gradually the . The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. Introduction to the location of the Delta. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. Both concordant and discordant. Under 5's Football Coaching Drills, Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Or built a sand castle next to the waves? The following are facts about constructive waves. The coast is very young due to recent ice ages and resulting sea level change. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. When a stretch of coastline is formed from different types of rock, headlands and bays can form. An explanation of the formation of the cove can be found on the right. By registering you get free access to our website and app (available on desktop AND mobile) which will help you to super-charge your learning process. Humans, too, could almost be classified as a coastal species! CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. 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. What is chemical and mechanical weathering? After the waves broke through, creating an opening, the softer clay after the limestone started to erode away as well, creating a cove (figure 4). What problems are caused by global warming? Fig. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. The rock strata are almost vertical, and the bands of rock are quite narrow. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. What are they? . PSYCHIC TWINS . Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. The processes have been operating over the last 8000 years. Terms of use / Privacy policy / GDPR, About this workspace Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. The low-energy wave spills into the bays as . 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. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. This belongs to: _____. The Earth has around 620,000 kilometres (390,000 mi) of coastline. 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. Why are deserts located along the tropics? This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Where once there was a simple river with well-defined banks, now there is a sprawling river that has submerged most of the terrain around it. Published by at February 16, 2022. Historic records indicate that over 250 m of land were lost between 1600 and 1850. Select all that apply. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. What factors affect population density and distribution? Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. How have plants adapted to cold environments? 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 . During a storm, the most common waves are destructive. Full lesson covering the different types of erosion and geology along the coast. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. How is demand for energy changing in the UK? But do they serve as anything more than a place to go for a hike or a tan? The processes have been operating over the last 8000 years. 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. This happened over about 1000 years, (very rapid) and submerged coastlines. There are four major types of coastlines: emergent, submergent, discordant, and concordant. Paisajes. It is only when the water enters shallower areas that the water itself moves forward. coastlines. (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. Practice Questions: Slideshow 2773107 by chanel Coasts Revision Booklet. 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. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. A concordant coastline has the same type of rock. They are more common in winterthan in the summer. If the direction of classifications is the same, the pairs are concordant. The three major coastal processes include erosion, transportation and deposition. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Touch device users . An example of a popular cove situated in a concordant coastline is the Lulworth Cove. Practice Questions: Describe the differences between a concordant and a discordant coastline (4 marks) Explain how headlands form (3 marks) Explain how coves are formed (3 marks). Geology is the study of the types of rocks that make up the Earth's crust. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Sign up to highlight and take notes. One of the topics looked at in GCSE Geography is the features that are found on a coastline. They have a low gradient, typically under one meter in height. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. The three marine processes that shape the coastline are erosion, transportation, and deposition. What is a discordant coastline? B Gradually the . More resistant strata erode only slowly, and are left projecting into the sea as headlands. Create beautiful notes faster than ever before. Teacher. 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). How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? What is the location and importance of Rio de Janeiro? How does geology affect the formation of river landforms? Sustainable development in the desert The Great Green Wall. docx, 24.88 KB. Safe access points to the shoreline at several points around the edge. Wrong! If you continue to use this site we will assume that you are happy with it. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). The concordant coastline runs from west to east along the south coast. Find out more about concordant coastlines. BBC Bitesize. A coastline is an area where land meets the water. A concordant coastline comprises bands of different rock types that run parallel to the shore. 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. The three major coastal processes include erosion, transportation and deposition. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. formed by the erosion of less resistant Wealden Clays. False! Extended writing tasks 2 a half term. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. Why is the weather of the UK so changeable? Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. concordant coastlines. 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. (bands) of hard rock and soft rock; many bays and headlands. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Soft rocks like mudstone and siltstone 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 Is Climate Change Impacting The Water Cycle. Definitions. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. A concordant coastline produced by the geological structure of folds parallel to the coast. What does scenery formed by erosion look like? 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! Headlands and bays Cliffs along the coastline do not erode at the same pace. What is the value of the tropical rainforest? Then when the wave retreats, the compressed air expands again. 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. Landforms in the middle course of a river. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. What are the physical characteristics of cold environments? Shaping our coasts. The differing resistance to erosion leads to the formation of headlands and bays. Concordant Coasts . Emergent Coastlines. Concordant coastlines tend to have fewer bays and headlands. What is a concordant coastline? geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. Concordant coastlines tend to have fewer bays and headlands. What percent of the global population lives within 100km of a coastline? Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. Practice Questions: Describe the differences between a concordant and a discordant coastline (4 marks) Explain how headlands form (3 marks) Explain how coves are formed (3 marks). (BBC, 2006). The three major coastal processes include erosion, transportation and deposition. Selenium Deficiency In Baby Goats, Create the most beautiful study materials using our templates. 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. Correct! Importance of the Delta for the region. pptx, 1.58 MB. Sea forces change coastal landscapes with the wind being the major source of waves. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. The coastal engineering for the shoreline protection involves: . 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. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. 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 . This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. 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 . Concordant and discordant coastlines. Shake Hands With Beef Girl, Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. BBC Bitesize Geoguessr Google Maps Gapminder . Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. The site is self-funded and your support is really appreciated. South Dorset Coast 1. How can we increase the amount of food produced globally? 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 outer hard provides a protective barrier to erosion of the softer rocks further inland. Fetch length along with the wind speed (or strength) determines the size of waves produced. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? What is the impact of humans on the Taiga? discordant coastlines. Risks facing the Delta. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Touch device users . About 40% of the global population lives within 100km of a coastline. 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. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. . A concordant coastline. Adapted from BBC. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Upload unlimited documents and save them online. 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.