This belongs to: _____. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. Which landforms result from moving or melting ice? As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. This differential erosion creates headlands and bays along discordant coastlines. Soft rocks like mudstone and siltstone Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . During a storm, the most common waves are destructive. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. Faulting is the fracturing of rock with movement from its original position. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. It has a discordant coastline along the east and concordant coastline along the south. Wrong! The rock types are typically of . Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. Hydraulic action, attrition, abrasion, and corrosion. What are the differences in global calorie intake and food supply? The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. a headland separated by two bays. What is migration and why do people migrate? You need to do some work on landforms of coastal erosion. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. Selenium Deficiency In Baby Goats, A coastline is anywhere where the land meets the water. This is a Geography revision website for the Edexcel A-Level from 2016 (so the new syllabus), and will contain my class notes, own research and detail from revision guides and textbooks. Discordant. Gone surfing? How reliable are economic indicators of development? Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. 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. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Irrespective of whether the coastline is concordant or discordant, as wave refraction takes place around the headlands and erosion of the bay is reduced, sub-aerial weathering such as corrosion and corrasion begins to . Have all your study materials in one place. What are shanty town improvement schemes? Protection of cold environments as wilderness areas. The warmer climate that followed melted much of the ice. Destructive waves are usually . Erosion. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. Numerous plants and animals have adapted to live along coastlines. BBC Bitesize. 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). Adapted from BBC. Where are Temperate Deciduous Woodlands Located? Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. in height. Why is there a trend towards agribusiness? Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR). Hilbre Island (Cheshire) is an example of a possible fieldwork location. A concordant coastline produced by the geological structure of folds parallel to the coast. 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 . The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. (For example the south or the Dorset coast) . Bays and headlands are common features along discordant coastlines. . Fetch length along with the wind speed (or strength) determines the size of waves produced. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. A submergent coastline is a coastline that has submerged below the water. Extended writing tasks 2 a half term. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Waves interact with land through three major marine processes: erosion, transportation, and deposition. They are most common where .. is short. Pinterest. During the Devensian Glacial eustatic changes lowered sea levels by 120 m. At the start of the Holocene Interglacial (10,000 years BP) led to a rapid 100 m eustatic rise in global sea levels, as 3,000 years of ice sheets and glaciers shrank. Historic records indicate that over 250 m of land were lost between 1600 and 1850. What percent of the global population lives within 100km of a coastline? The Earth has around 620,000 kilometres (390,000 mi) of coastline. Geology is the study of the types of rocks that make up the Earth's crust. A concordant coastline is an arrangement of rock strata along the coastline. Concordant Coasts . The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. (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. Limestone Case Study Malham, The Yorkshire Dales. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. Copyright2007 - 2023 Revision World Networks Ltd. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. The differing resistance to erosion leads to the formation of headlands and bays. Today. The Earth has around 620,000 kilometres (390,000 mi) of coastline. Headlands and bays can form on concordant coastlines too, as has happened . The three major coastal processes include erosion, transportation and deposition. Each process can produce several coastal features; however, they often work together to sculpt the coastlines. [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. (For example the east of the Dorset coast) How Geology affects the coast . Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. One of the topics looked at in GCSE Geography is the features that are found on a coastline. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Landforms in the middle course of a river. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. 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. 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. This means that these waves transport beach material back into the sea, lowering the height of a beach. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. More resistant strata erode only slowly, and are left projecting into the sea as headlands. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). 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. Tunisia Case Study. 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. The UK's coastline is 31,368 km long (if you include all the main islands). Bay and headland - Durdle Door, Dorset. These act as agents of erosion because their backwashis greater than their swah. How has the growth of Lagos caused inequality? If they move in opposite directions - one increases while the other decreases - then the pair is discordant. Aqa. The gradual breakdown of rocks due to . Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Geology. Corrosion is also known as solution. Pinterest. They are more common in . These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. The UK's coastline is 31,368 km long (if you include all the main islands). Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. The Bay is also a product of sea level rise, since river erosion cut a low-relief river valley into Carboniferous Limestone, allowing the sea to flood inland and creating a ria at the start of the Holocene. These processes are happening constantly and usually work in conjunction to produce coastal features. Stop procrastinating with our study reminders. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Concordant coastline. e.g. Use the resources provided to write notes that UK Sediment Cells Source: Scool. Specifically looking at the differences between concordant and discordant coastlines. Concordant. The three marine processes that shape the coastline are erosion, transportation, and deposition. Elsewhere a ridge of sand forms a line of barrier islands, sand banks and mud flats parallel to the coast, e..g Friesian Islands off the North Sea coast of the Netherlands, Germany and western Denmark. As Thor says, not bad at all. BBC Bitesize. What are the air masses that affect the UK? Beach material is deposited as a bridge of sediment (berm) at the top of the beach. These Dalmatian types normally occur . True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. chalk) . Everything you need for your studies in one place. The results are deep, lengthy, thin inlets surrounded by high cliff faces. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - What is the impact of humans on the Taiga? Coastal Geology. . Water quality and pollution management in the UK. Create flashcards in notes completely automatically. The angle these bands make with the coastline makes it either a concordant or discordant coastline. What challenges have been caused by urban growth in Mumbai? It has a variety of other micro-features and a unique geology. How did the temperate deciduous woodland get like this? Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Teacher. This quiz focusses in particular on those features which are caused by coastal erosion. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. If the direction of classifications is the same, the pairs are concordant. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Headlands and Bays 2. 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. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Paw Patrol Does Ryder Have A Crush On Katie, The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes Geology. There are two special types of submerged coastlines: ria coasts and fjord coasts. Sediment Cells. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. over 1m. StudySmarter is commited to creating, free, high quality explainations, opening education to all. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. Coastal. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Aqa. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Wave Refraction and Coastal Defences. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. You don't have permission to comment on this page. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Specifically looking at the differences between concordant and discordant coastlines. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. This is called a discordant coastline. Concordant coastline 2. What are Mumbais social and economic opportunities? 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This is considered sovereign national territory, the same as boundaries on land. A unique coastline within the UK is Lulworth Cove in Dorset. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Headlands and bays can form on concordant coastlines too, as has happened . Rocks outcrop at right angles to the sea, forming headlands and bays. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. 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. They have a mainly circular orbit, a .. gradient. The site is self-funded and your support is really appreciated. What are the economic and environmental issues of energy production? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. What are the three processes that shape the coastline? As our Earth warms, glaciers melt, causing the sea level to rise. Type # 1. 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. Two Earthquakes Compared Nepal and LAquila, Lombok Indonesia Earthquake 2018 Case Study, 2018 Sulawesi Indonesia Earthquake and Tsunami Case Study. Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Why is the Human Development Index important? Human and physical factors causing river flooding. Sandridge formed bars across some bays and river mouths, with trapped river water forming a lagoon behind (callled haffs in Poland on the Baltic Sea). False! Then when the wave retreats, the compressed air expands again. These will be exam question style ranging from 4, 6 and 9 mark . BBC Bitesize Geoguessr Google Maps Gapminder . What is the distance between trough and crest called? Touch device users . Importance of the Delta for the region. The outer hard provides a protective barrier to erosion of the softer rocks further inland. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). An example of a popular cove situated in a concordant coastline is the Lulworth Cove. Create the most beautiful study materials using our templates. 1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. Start studying BBC Geography Bitesize: Coastal Processes. Key Question: What are the different landforms of the Jurassic Coast? Explain the process of longshore drift (3) Coasts - Grade Booster. Upload unlimited documents and save them online. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. The concordant coastline runs from west to east along the south coast. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . A concordant coastline has the same type of rock. It's a way of having all my information in one place. The net result is that the sediment gets smaller and smaller over time. 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. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. Over 10 million students from across the world are already learning smarter. Select all that apply. (For example the south or the Dorset coast) . As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Discordant and concordant coasts in Dorset. Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. GCSE 9-1 Coasts: Erosional Landforms Bundle. Barton-on-Sea, in particular, is a well-known place to study coast erosion and sea-defence work, some successful, some partly successful, and some failed. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. The water. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. . PSYCHIC TWINS . pptx, 1.58 MB. As stated earlier, coves are formed out of concordant coastlines. Take a look at our resources under Topics in the menu at the top of the page. Coastal Erosion. Concordant and discordant coastlines. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. What is Nigerias location and importance? 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. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. What is the site and situation of a settlement? As a result, it does not travel far up it. What feature is left behind as the cliff retreats? Besides hosting a multitude of specialised plants and animals, coastlines are also critical to our economic and political infrastructures, providing people with sources of food and livelihoods and allowing us to determine where our borders actually end. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. The coastal engineering for the shoreline protection involves: . Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. Historic records indicate that over 250 m of land were lost between 1600 and 1850. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. UK Sediment Cells Source: Scool. Weathering and mass movement in river valleys. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. (For example the east of the Dorset coast) How Geology affects the coast . Concordant coastlines tend to have fewer bays and headlands. (bands) of hard rock and soft rock; many bays and headlands. Less resistant rocks are eroded more than the resistant . The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. What are active, dormant and extinct volcanoes? How has demand for water in the UK changed? They form as a ledge of bedrock left behind as the dliff retreats. Soft engineering: Beach nourishment is a type of soft approach. Emergent Coastlines. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. The coast is the border between the land and the sea. Or built a sand castle next to the waves? In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. 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. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. 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. The concordant coastline runs from west to east along the south coast. Either way, there is now a (bit of) coastline that is no longer submerged under water. 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. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Where the rock outcrops run parallel to the sea. 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. Their wavelength is .and a.. frequency (8-10 waves per minute). 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. This results in the formation of headlands and bays. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Headlands and bays Cliffs along the coastline do not erode at the same pace. Test your knowledge with gamified quizzes. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Economic losses to businesses if areas become unattractive and depopulated. Lulworth Cove has occurred on a concordant coastline. South Dorset Coast 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 . English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Coastlines also help us demarcate international boundaries. Did you know? A concordant coastline diminated by limestone in the map has the same type of rock along its length. True or False: As sea levels rise, coastlines are likely to expand. What is the structure of the tropical rainforest? In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. What does scenery formed by erosion look like? The differing resistance to erosion leads to the formation of headlands and bays. Select all that apply. Waves are the main reason for coastal change. weathering. They have a mainly circular orbit, a steep gradient. The process begins with seawater hitting on the coastline. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . What are the different types of weathering? What are the environmental impacts of economic development in Nigeria? - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. 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 . Not surprisingly, destructive waves destroy beaches. About 40% of the global population lives within 100km of a coastline. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Landscapes. A chalk cliff face is at the back of the cove. 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 Fetch length along with the wind speed (or strength) determines the size of waves produced. 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.