The processes have been operating over the last 8000 years. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. Caves, Arches, Stacks and Sumps 3. Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. What are the effects of economic development in Nigeria on quality of life? For example, both X and Y rate item 1 higher than item 2. 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. 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 . Coastlines of Emergence. Over 10 million students from across the world are already learning smarter. Headlands and Bays 2. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the ocean or a lake. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. formed by the erosion of less resistant Wealden Clays. Students will learn about different types of rock and will consider how resistance can affect rates of erosion. Discordant coasts are also known as Atlantic coasts, after the Cork coastline in the Republic of Ireland. Less resistant rocks are eroded more than the resistant . The part of the wave in the deeper water moves forward faster causing the wave to bend. Named after the Dalmatia region on the Adriatic Sea. Case studies Dorset Jurassic coast and Holderness. It is only when the water enters shallower areas that the water itself moves forward. Which landforms result from moving or melting ice? How has rainforest vegetation adapted to the climate? . In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. How has demand for water in the UK changed? The Earth has around 620,000 kilometres (390,000 mi) of coastline. Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. How has the vegetation in the temperate deciduous forest adapted to the climate? The processes have been operating over the last 8000 years. The concordant coastline runs from west to east along the south coast. 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. There are four processes involved in the eroding coastlines. How has hot desert vegetation adapted to the climate? Gone surfing? Start studying BBC Geography Bitesize: Coastal Processes. Coasts are shaped by the processes of erosion, transportation and deposition. During a storm, the most common waves are destructive. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. What is the impact of humans on the temperate deciduous woodland? 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 . PBworks / Help When a stretch of coastline is formed from different types of rock, headlands and bays can form. Selenium Deficiency In Baby Goats, Where the rock outcrops run parallel to the sea. Waves interact with land through three major marine processes: erosion, transportation, and deposition. Discordant coastline . These coastlines may lead to the formation of either Dalmatia landforms or Haffs (also called lagoons). Water quality and pollution management in the UK. 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 . 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 . Awesome, well done! GCSE 9-1 Coasts: Erosional Landforms Bundle. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Insert links to other pages or uploaded files. Concordant coastlines tend to have fewer bays and headlands. What are the air masses that affect the UK? In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. Coasts Revision Booklet. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Discordant. A concordant coastline has the same type of rock along its. Spanning 243 kilometers along Australia's southeastern coast from Torquay to Allansford, the Great Ocean Road is one of the world's most scenic coastal routes. The length of perimeter approx 2km. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Correct! Ripples are created; these ripples will become waves if the wind is sustained. How does food insecurity affect the environment? You know your landforms of coastal erosion. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. Swam in the ocean? 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. Why is the weather of the UK so changeable? Concordant coastlines tend to have fewer bays . The warmer climate that followed melted much of the ice. As the wave breaks, it carries material up the beach in its swash. Bays and headlands are common features along discordant coastlines. This differential erosion creates headlands and bays along discordant coastlines. Headlands and bays Cliffs along the coastline do not erode at the same pace. It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. . 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. Concordant. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. The site is self-funded and your support is really appreciated. Concordant coastline. The shape of the coastline (which is dependent on its geology) - on concordant coastlines, rocks are parallel to the wave front and therefore rates of erosion are similar along the coastline. 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 Earth has around 620,000 kilometres (390,000 mi) of coastline. A concordant coastline. Create beautiful notes faster than ever before. As Thor says, not bad at all. Quick revise. 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. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. . In some cases it is estimated that there was a rise . Faulting is the fracturing of rock with movement from its original position. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. What are the causes of deforestation in the Amazon? Each process can produce several coastal features; however, they often work together to sculpt the coastlines. pptx, 1.58 MB. Earn points, unlock badges and level up while studying. 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. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. More resistant strata erode only slowly, and are left projecting into the sea as headlands. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. Soft engineering: Beach nourishment is a type of soft approach. A concordant coastline is an arrangement of rock strata along the coastline. Historic records indicate that over 250 m of land were lost between 1600 and 1850. False! -Erode the coast-Short wave length, high and steep. What are the economic and environmental issues of energy production? (8) Coasts - Grade Booster Geog' Clips 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 . The hard rock shields the soft rock from erosion. She is cooler than I am and has a life instead of enough time to make this. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Bull's Head in St Oswald's Bay. Long spits of sands run parallel to the low coast, enclosing the coast. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. They are also called spilling or surging waves. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Rocks outcrop at right angles to the sea, forming headlands and bays. (bands) of hard rock and soft rock; many bays and headlands. Safe access points to the shoreline at several points around the edge. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. 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 Sign up to highlight and take notes. This. Fetch length along with the wind speed (or strength) determines the size of waves produced. But, let's be honest, it's not brilliant. lulworth cove concordant coastline. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). discordant coastline diagram. Bay and headland - Durdle Door, Dorset. The process begins with seawater hitting on the coastline. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. The differing resistance to erosion leads to the formation of headlands and bays. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Its 100% free. 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. This process happens over thousands of years. The differing resistance to erosion leads to the formation of headlands and bays. 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 . Both concordant and discordant. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. This is considered sovereign national territory, the same as boundaries on land. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. A concordant coastline has the same type of rock. discordant coastlines. Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts - YouTube 2:20 Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts TheGeographyGuy 1.66K. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). This quiz focusses in particular on those features which are caused by coastal erosion. Categories . The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. Identify your study strength and weaknesses. The concordant coastline runs from west to east along the south coast. This is called a discordant coastline. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Caves occur when waves force their way into cracks in the cliff face. About 40% of the global population lives within 100km of a coastline. What are Mumbais social and economic opportunities? In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. 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. What is a discordant coastline? The high degree of indentation of Bantry Bay is not solely influenced by the relative resistance of rock types, but also the orientation of strata SW-NE means that they directly face high energy Atlantic waves driven by the prevailing SW wind. Practice Questions: Slideshow 2773107 by chanel coastlines. Key Question: What are the different landforms of the Jurassic Coast? Hilbre Island (Cheshire) is an example of a possible fieldwork location. Stop procrastinating with our smart planner features. The sea attacks a weakness in the base of the cliff. Fjords are created when glaciers cut through valleys and are submerged. Erosion worsens as the waves becomes stronger. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Specification and other support materials for teachers, including delivery guides Explore. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Soft engineering: Beach nourishment is a type of soft approach. What is the role of transnational companies in Nigeria? Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Upload unlimited documents and save them online. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. 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. Will you pass the quiz? How are Nigerias trading and political relationships changing? What is the difference between a tornado and a hurricane? $14 million dollar house maine; Changing rates of rainforest deforestation. Links to wider reading and an introductory video. How did the temperate deciduous woodland get like this? Bits of rock and sand that the waves have picked up are thrown against the cliff face. Lulworth . Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. The water. Coastlines are formed through the processes of erosion, transportation, and deposition. An emergent coastline that "emerges" from the water--either the land has risen, or the water level has fallen. Concordant or conformable, when referring to plutonic bodies, indicates that the intruding magma of sills and laccoliths lies parallel to rather than cutting across country strata, as do discordant structures such as veins, dikes, bysmoliths, and batholiths. Concordant coastlines tend to have fewer bays . These are where rock strata or structures are aligned at an angle to the coastline. the same rock types are parallel to the coastline, with alternating bands of different rock types running parallel to the coastline behind it (as opposed to a 'discordant coastline' where the rock types are perpendicular to the coastline, presenting differing rock types to the sea along the coastline). They are most common where fetchis short. 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 . 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. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. The low-energy wave spills into the bays as . Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Importance of the Delta for the region. They are more common in winterthan in the summer. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. The three major coastal processes include erosion, transportation and deposition. Correct! a headland separated by two bays. than in summer. BBC Bitesize. This happened over about 1000 years, (very rapid) and submerged coastlines. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. 4 - the process of forming Lulworth Cove, Dorset, UK. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. As the wave approaches the coast, it gains height and drops onto a steep beach. The discordant coastline runs from Correct! the same rock types are parallel to the coastline, with alternating bands of different rock types running parallel to the coastline behind it (as opposed to a 'discordant coastline' where the rock types are perpendicular to the coastline, presenting differing rock types to the sea along the coastline). These are coastlines where the bands of rock run perpendicular to the coastline meaning . Emergent Coastlines. 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. What is the location and importance of Mumbai? Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. As a wave undercuts a cliff the cliff retreats. Discordant. Landforms in the middle course of a river. Or built a sand castle next to the waves? A concordant coastline is an arrangement of rock strata along the coastline. They have a mainly circular orbit, a steep gradient. In some cases it is estimated that there was a rise . Definitions. What are the impacts of industry on the physical environment? Erosion worsens as the waves becomes stronger. 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). . Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. 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). pg. Where are polar and tundra environments located? The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. chalk) May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. 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. Today. B Gradually the . Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Sediment Cells. 2. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. There are 3 main groups of coastal features which result from coastal erosion: 1. This means that these waves transport beach material back into the sea, lowering the height of a beach. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. Headlands and bays can form on concordant coastlines too, as has happened . These processes are happening constantly and usually work in conjunction to produce coastal features.
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