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Long offshore islands and coastal inlets are running parallel to the coastline. 8. Create beautiful notes faster than ever before. In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. If you've found the resources on this site useful please consider making a secure donation via PayPal to support the development of the site. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. 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. Where are Temperate Deciduous Woodlands Located? Destructive waves are usually . BBC Bitesize. When the auto-complete results are available, use the up and down arrows to review and Enter to select. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Shaping our coasts. What is the role of transnational companies in Nigeria? During a storm, the most common waves are destructive. As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. Its 100% free. Changing rates of rainforest deforestation. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. The longer the fetch length and the faster the wind speed, the . Create the most beautiful study materials using our templates. Coastlines also help us demarcate international boundaries. Along the coastline of Dorset, there are concordant and discordant coastlines. A concordant coastline produced by the geological structure of folds parallel to the coast. These Dalmatian types normally occur . 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. What is a discordant coastline? Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Identify your study strength and weaknesses. Named after the Dalmatia region on the Adriatic Sea. concordant coastlines. Stop procrastinating with our smart planner features. Joints,Dips and Faults in terms of rocks. 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. starter: Students examine the picture and discuss what is happening to the houses and why. As a result of the coastal feature, the depth of water around a coast varies. What factors influence the effects and response to tectonic activity? Explain the process of longshore drift (3) Coasts - Grade Booster. Fetch length along with the wind speed (or strength) determines the size of waves produced. The warmer climate that followed melted much of the ice. Where are polar and tundra environments located? The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. What are the differences in global calorie intake and food supply? 1. The rock types are typically of . How have animals adapted to the rainforest environment? Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. 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. Chesil Beach in Dorset was formed this way. The low-energy wave spills into the bays as . Create and find flashcards in record time. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. 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 . 2. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. Not surprisingly, destructive waves destroy beaches. Rocks outcrop at right angles to the sea, forming headlands and bays. The differing resistance to erosion leads to the formation of headlands and bays. Insert links to other pages or uploaded files. 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. Jaden Agassi Mlb Draft 2021, [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. . Part of the Dorset coastline in the UK running north from the Portland limestone of Durlston Head is a clear example of a discordant coastline. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Concordant coastlines tend to have fewer bays and headlands. Soluble materials dissolve in water and are carried along. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. A concordant coastline has the same type. The United Nations uses coastlines to help determine international boundaries at sea. A famous example of a coastline. Unique access to harvest all resources within the EEZ, including fishing and fracking. What are the three processes that shape the coastline? Emergent Coastlines. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. Lulworth Cove is a classic example of a 'concordant coast' - i.e. These act as agents of erosion because their backwashis greater than their swah. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. They have a mainly circular orbit, a steep gradient. Headlands and bays Cliffs along the coastline do not erode at the same pace. As Thor says, not bad at all. How has demand for water in the UK changed? The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. Importance of the Delta for the region. Cliffs and Wave-cut platforms Before you revise the formation of these landforms, have a look at this video and make sure you are able to identify the landforms from their distinctive features. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. Take a look at our resources under Topics in the menu at the top of the page. A concordant coastline has the same type of rock. What is the difference between a tornado and a hurricane? One of the topics looked at in GCSE Geography is the features that are found on a coastline. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. Emergent Coastlines. These will be exam question style ranging from 4, 6 and 9 mark questions. When a stretch of coastline is formed from different types of rock, headlands and bays can form. What is the Demographic Transition Model? It has the unenviable reputation as the number one place in Europe for coastal erosion, and in a stormy year waves from the North sea can remove between 7 and 10m of coastline. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. South Dorset Coast 1. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. high and low energy coasts, geology and sea level and how these change a coastline | GEOLOGICAL structure : which create concordant and discordant coastlines ( Dalmatian and Haff ). True or False: As sea levels rise, coastlines are likely to expand. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. Economic losses to businesses if areas become unattractive and depopulated. What is the location and importance of Mumbai? Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. 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. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. 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. The outer hard provides a protective barrier to erosion of the softer rocks further inland. 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 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. The sea has broken through this barrier and easily eroded the clays behind it. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). of the users don't pass the Coastlines quiz! Lulworth . How did the temperate deciduous woodland get like this? The River Tees landforms of erosion and deposition, Case Study Ganges/Brahmaputra River Basin, Geological time is on a different time to human time, Different rocks create contrasting landforms and landscapes. Economic losses to businesses if areas become unattractive and depopulated. Links to wider reading and an introductory video. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). Specifically looking at the differences between concordant and discordant coastlines. The site is self-funded and your support is really appreciated.