concordant and discordant coastlines bbc bitesize

We use cookies to ensure that we give you the best experience on our website. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. You need to do some work on landforms of coastal erosion. They form as a ledge of bedrock left behind as the dliff retreats. Concordant coastline 2. Destructive waves are usually . Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). Coasts Revision Booklet. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Lines of islands separated by narrow sea channels parallel to the coast (sounds). Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. Importance of the Delta for the region. 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. A fjord coast hosts multiple fjords. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. 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. Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. Ways destructive waves destroy the coastline . Start studying BBC Geography Bitesize: Coastal Processes. of the users don't pass the Coastlines quiz! A coastline with the same type of rock along its length; fewer bays and headlands . Key Question: What are the different landforms of the Jurassic Coast? - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Take a look at our resources under Topics in the menu at the top of the page. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . Economic losses to businesses if areas become unattractive and depopulated. Bays and headlands are common features along discordant coastlines. At the mouth of the River Oder near Szczecin, Stettiner Haff formed where sand ridge connected islands, leaving river to emerge through three narrow outlets. Use the resources provided to write notes that UK Sediment Cells Source: Scool. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. What is the impact of humans on the temperate deciduous woodland? Landscapes. Fig. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. Because the waves are so frequent, the backwash has less time to soak into the sand. . (For example the south or the Dorset coast) . Where the rock outcrops run parallel to the sea. 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 . Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Over 10 million students from across the world are already learning smarter. 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. Pinterest. BBC Bitesize Geoguessr Google Maps Gapminder . During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. How have animals adapted to the rainforest environment? 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. An explanation of the formation of the cove can be found on the right. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. A coastline is an area where land meets the water. Adapted from BBC. How reliable are economic indicators of development? Published by at February 16, 2022. Okay, now we know what coastlines are. Geology. The coastal engineering for the shoreline protection involves: . Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. 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. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Aqa. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. While not every UN member has ratified UNCLAS, most nations abide by it anyway. 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. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. There are four major types of coastlines: emergent, submergent, discordant, and concordant. Sign up to highlight and take notes. The angle these bands make with the coastline makes it either a concordant or discordant coastline. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Shake Hands With Beef Girl, As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. Specifically looking at the differences between concordant and discordant coastlines. The three major coastal processes include erosion, transportation and deposition. The Jurassic Coast is a world-renowned site where you can find geological (natural) features, and different types of fossils, such as dinosaurs and a fossil forest. 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. True or False: As sea levels rise, coastlines are likely to expand. The sea attacks a weakness in the base of the cliff. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Coastal. 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. material at the coast and in a river. (bands) of hard rock and soft rock; many bays and headlands. 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 . Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. The low-energy wave spills into the bays as . 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 differing resistance to erosion leads to the formation of headlands and bays. The length of perimeter approx 2km. UK Sediment Cells Source: Scool. The following are facts about destructive waves. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. . UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. What is the difference between a tornado and a hurricane? Both concordant and discordant. Test your knowledge with gamified quizzes. 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. As a wave undercuts a cliff the cliff retreats. The length of perimeter approx 2km. What is a discordant coastline? More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. (For example the east of the Dorset coast) How Geology affects the coast . The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. (For example the south or the Dorset coast) . GCSE Geography Coastal landscapes in the UK learning resources for adults, children, parents and teachers. These will be exam question style ranging from 4, 6 and 9 mark . Named after the Dalmatia region on the Adriatic Sea. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Extended writing tasks 2 a half term. Create flashcards in notes completely automatically. (bands) of hard rock and soft rock; many bays and headlands. Now you can find what you're looking for wherever it lives. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Dip is the angle of inclination of titled strata. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Headlands and bays can form on concordant coastlines too, as has happened . This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. What are the effects of economic development in Nigeria on quality of life? How did the temperate deciduous woodland get like this? Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. Free and expert-verified textbook solutions. Erosion. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. discordant coastlines. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes Which of the following is NOT typically found in a coastal ecosystem? What is the location and importance of Rio de Janeiro? 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. GCSE 9-1 Coasts: Erosional Landforms Bundle. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Constructed by Australian soldiers over the course of 13 years and officially opened in 1932, the Great Ocean Road is dedicated to fallen soldiers of . 4: Formation of Lulworth Cove (https://commons.wikimedia.org/wiki/File:Lulworth.png) by Red (https://en.wikipedia.org/wiki/User:Red) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en). The shape of the cove is the result of wave diffraction. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. PSYCHIC TWINS . A concordant coastline comprises bands of different rock types that run parallel to the shore. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. Even London is built along the River Thames, which flows into the North Sea. This is considered sovereign national territory, the same as boundaries on land. BBC Bitesize. Their wavelength is .and a.. frequency (8-10 waves per minute). When a stretch of coastline is formed from different types of rock, headlands and bays can form. Create the most beautiful study materials using our templates. Sustainable development in the Temperate Deciduous Woodland. Specifically looking at the differences between concordant and discordant coastlines. Or in other words, these types of coastlines have the same type of rock all along its length. What is Nigerias location and importance? A ria coast hosts multiple rias. 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. Coasts Revision Booklet. Type # 1. What are the air masses that affect the UK? Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. How is urban planning improving the quality of life for the urban poor in Mumbai? Geological structure is the characteristics and arrangement of rock units. 2022 kinetico replacement filters, on concordant and discordant coastlines bbc bitesize, williams funeral home st thomas ont obits, Fix Toxic Relationship According To Childhood Trauma Test, Is It Illegal To Sleep In Your Car In Virginia, la crosse aquinas high school live stream, 707 concourse village west housing connect, do you have to transcribe stutters? Concordant coastlines tend to have fewer bays . Set individual study goals and earn points reaching them. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. 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. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. 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. Then when the wave retreats, the compressed air expands again. 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. Case studies Dorset Jurassic coast and Holderness. 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. (BBC, 2006). The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Emergent Coastlines. . When the auto-complete results are available, use the up and down arrows to review and Enter to select. Originally a band of resistant Portland . 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. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). They have a. gradient, typically under . A coastline with the same type of rock along its length; fewer bays and headlands. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. What are the differences in global calorie intake and food supply? 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. During a storm, the most common waves are destructive. Less resistant rocks are eroded more than the resistant .

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