Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. of the users don't pass the Coastlines quiz! Not surprisingly, destructive waves destroy beaches. Paw Patrol Does Ryder Have A Crush On Katie, Highly popular with tourists - 20,00 people on the spit at peak times (the Environment Agency concluded that between 18th August and the 12th December 2004, 487,624 visitors visited Dawlish Warren equating . In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. What does scenery formed by erosion look like? Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Concordant coastline Uncordant coastline Variable coastline 8. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. Give the quiz another go and don't forget to read up on this area by heading over to our coasts resources using the topics link at the top of the page. Long spits of sands run parallel to the low coast, enclosing the coast. What is migration and why do people migrate? 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. Practice Questions: Slideshow 2773107 by chanel coastlines. . In some cases it is estimated that there was a rise . Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. When a stretch of coastline is formed from. Concordant coastlines tend to have fewer bays . The water. The part of the wave in the deeper water moves forward faster causing the wave to bend. Erosion. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. 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. For example, both X and Y rate item 1 higher than item 2. Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . 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. Headlands and bays Cliffs along the coastline do not erode at the same pace. At points where the Portland is weaker, erosion hasbroken through and then rapidly eroded out the softer strata laterally, creating a series of coves, e.g. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. A fjord coast hosts multiple fjords. (bands) of hard rock and soft rock; many bays and headlands. coastlines. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. How is a cold environment interdependent? 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 image below shows the narrow opening created in the limestone and the cove that formed afterwards. Either way, there is now a (bit of) coastline that is no longer submerged under water. 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 . docx, 24.88 KB. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Wave diffraction happens when the narrow opening to the cove causes the waves to bend, creating an arc shape wave. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Key Question: What are the different landforms of the Jurassic Coast? International migration from Syria to Europe, Japan A country with a high dependent population. 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. Concordant coastlines tend to have fewer bays and headlands. BBC iPlayer 37k followers More information Discordant and concordant coasts in Dorset Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Bays and headlands are common features along discordant coastlines. Consequently headlands . Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. The outer hard provides a protective barrier to erosion of the softer rocks further inland. These are coastlines where the bands of rock run perpendicular to the coastline meaning . Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). Rocks outcrop at right angles to the sea, forming headlands and bays. How is urban planning improving the quality of life for the urban poor in Mumbai? 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). Concordant coastline 2. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. The Earth has around 620,000 kilometres (390,000 mi) of coastline. Create flashcards in notes completely automatically. A concordant coastline is an arrangement of rock strata along the coastline. A coastline is an area where land meets the water. What is the difference between a tornado and a hurricane? full verbatim. The differing resistance to erosion leads to the formation of headlands and bays. Great Ocean Road, Australia. What are the causes of deforestation in the Amazon? Dalmatian coastline Formed by faulting and rising sea levels since the end of the last ice age West Cork, Ireland 1.Discordant Coastline 2.Rias Rock strata meets the coast at 90 degrees in parallel bands Weaker rocks (limestones) have been eroded creating long, thin bays (rias) in-between the mudstones and old . Specifically looking at the differences between concordant and discordant coastlines. It varies enormously from tropical looking Luskentyre in the Outer Hebrides, to the jagged coasts of Cornwall, from the low lying muddy estuarine coast of the Wash, to broad sandy beach and dunes at Bamburgh in Northumberland. There are two special types of submerged coastlines: ria coasts and fjord coasts. There are rias throughout the world, including Poole Harbour in Dorset. They are most common where fetchis short. Coastal Geology. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Changing rates of rainforest deforestation. The site is self-funded and your support is really appreciated. This belongs to: _____. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. As a result, it does not travel far up it. This is considered sovereign national territory, the same as boundaries on land. Wrong! Pebble sized particles are bounced along the river bed/sea by the force of the water. As we mentioned earlier, this tends to shift the coastline further inland. GCSE 9-1 Coasts: Erosional Landforms Bundle. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. This results in the formation of headlands and bays. 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. Have you ever gone for a stroll on a beach? Select all that apply. How has demand for water in the UK changed? This. Sediment Cells. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. . The concordant coastline runs from west to east along the south coast. (For example the south or the Dorset coast) . 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 site is self-funded and your support is really appreciated. The coastal engineering for the shoreline protection involves: . The coastline determines everything. The United Nations uses coastlines to help determine international boundaries at sea. This differential erosion creates headlands and bays along discordant coastlines. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. discordant coastlines. Paisajes. The Jurassic Coast begins at Orcombe . Fjords are created when glaciers cut through valleys and are submerged. 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 ). For example the Neman Haff behind the bar running from the Kaliningrad in Russia to the Lithuanian coast at the mouth of the river Neman. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. Key Question: What are the different landforms of the Jurassic Coast? This happened over about 1000 years, (very rapid) and submerged coastlines. The three major coastal processes include erosion, transportation and deposition. They have low energy and an elliptical orbit. It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. Economic losses to businesses if areas become unattractive and depopulated. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. It has a discordant coastline along the east and concordant coastline along the south. (For example the east of the Dorset coast) How Geology affects the coast . Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. Case studies Dorset Jurassic coast and Holderness. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. 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. This process happens over thousands of years. The sea attacks a weakness in the base of the cliff. A concordant coastline has the same type of rock along its. Caves occur when waves force their way into cracks in the cliff face. If you've been to the beach, you've been to a coastline! This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. What are active, dormant and extinct volcanoes? If you have, then you've been to a coast and walked along a coastline. Its 100% free. Touch device users . 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. Erosion worsens as the waves becomes stronger. Image. GCSE and A Level Geography Revision. BBC Bitesize. Bits of rock and sand that the waves have picked up are thrown against the cliff face. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Shake Hands With Beef Girl, How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Economic opportunities and challenges in Lagos. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Why is the weather of the UK so changeable? 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 length of perimeter approx 2km. Faulting is the fracturing of rock with movement from its original position. Because the soft rock is exposed, it is eroded faster than the hard rock. Headlands and bays can form on concordant coastlines too, as has happened . Add in the missing words. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. How does geology affect the formation of river landforms? The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. What are the social and economic opportunities associated with the growth of Rio? Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. The differing resistance to erosion leads to the formation of headlands and bays. Even London is built along the River Thames, which flows into the North Sea. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. Coastlines will expand as climate change continues. 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. StudySmarter is commited to creating, free, high quality explainations, opening education to all. The concordant coast may take one of two landform types. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. . The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. 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 . 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. What are the differences in global calorie intake and food supply? Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. If the coastline is concordant then the coastline will have the same type of rock all the way down the coastline, because the ropck is running parallel to the coastline. Ways destructive waves destroy the coastline . May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. A coastline is anywhere where the land meets the water. A coastline with the same type of rock along its length; fewer bays and headlands . material at the coast and in a river. Have all your study materials in one place. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Awesome, well done! What factors affect population density and distribution? Coastlines also help us demarcate international boundaries. As a result of the coastal feature, the depth of water around a coast varies. 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). Bays and headlands are common features along discordant coastlines. What is the impact of humans on the temperate deciduous woodland? The Jurassic Coast begins at Orcombe . concordant coastlines. This quiz focusses in particular on those features which are caused by coastal erosion. The process begins with seawater hitting on the coastline. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. Pinterest. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. How did the temperate deciduous woodland get like this? When a stretch of coastline is formed from different types of rock, headlands and bays can form. They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. over 1m. caused by the shrinkage of igneous rock as it cools. Terms of use / Privacy policy / GDPR, About this workspace The processes have been operating over the last 8000 years. (bands) of hard rock and soft rock; many bays and headlands. Introduction to the location of the Delta. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. concordant coastlines. What are the impacts of industry on the physical environment? During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Both concordant and discordant. What is the impact of humans on the desert? weathering. A ria coast hosts multiple rias. shale), eroding quicker than the hard, resistant rock (e.g. 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. Published by at February 16, 2022. Key Question: What are the different landforms of the Jurassic Coast? How is demand for energy changing in the UK? This quiz focusses in particular on those features which are caused by coastal erosion. Subsequently there was an increase in the waters of the oceans and the sea level rose appreciably. Emergent Coastlines. Be perfectly prepared on time with an individual plan. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. However, structure is not the only factor influencing the indentation of Swanage Bay, since Swanage bay faces east, and is sheltered from the prevailing south westerly wind and highest energy waves. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. The low-energy wave spills into the bays as . 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. How are Nigerias trading and political relationships changing? Taking the low-water line along the coast (or, the baseline), UNCLAS put forth the following: Special exceptions apply to areas like straits, where ships can't help but pass through territorial waters. Which of the following is NOT typically found in a coastal ecosystem? How has hot desert vegetation adapted to the climate? Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. What is the distance between trough and crest called? Where do volcanoes and earthquakes happen? The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). What is the location and importance of Rio de Janeiro? This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face.
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