B Gradually the . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. The concordant coastline runs from west to east along the south coast. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. (bands) of hard rock and soft rock; many bays and headlands. The results are deep, lengthy, thin inlets surrounded by high cliff faces. A concordant coastline is where the same rock runs along the length of the coast. The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. How has rainforest vegetation adapted to the climate? What are the differences in global calorie intake and food supply? Headlands and bays can form on concordant coastlines too, as has happened . Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. Time for Geography | Coasts Videos What are the causes of deforestation in the Amazon? Both concordant and discordant. Approximately 40% of all people live within 100km of a coastline. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. 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). 2B.2B Their Morphology - A-LEVEL GEOGRAPHY REVISION: EDEXCEL 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. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. Coastal Processes: Erosion, Transport and Deposition - Blogger Where are Temperate Deciduous Woodlands Located? Where do volcanoes and earthquakes happen? A fjord coast hosts multiple fjords. Erosional landforms - Coastal landforms - AQA - BBC Bitesize 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. A concordant coastline diminated by limestone in the map has the same type of rock along its length. Ripples are created; these ripples will become waves if the wind is sustained. pptx, 1.58 MB. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. It's a way of having all my information in one place. starter: Students examine the picture and discuss what is happening to the houses and why. Water quality and pollution management in the UK. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Select all that apply. 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. It is only when the water enters shallower areas that the water itself moves forward. A joint is a fracture of rock without movement from the original position, e.g. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? What is a concordant coastline? The differing resistance to erosion leads to the formation of headlands and bays. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. Create flashcards in notes completely automatically. A famous example of a coastline. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. concordant and discordant coastlines bbc bitesize The cove is located in a South West England County known as Dorset that is found along the English Channel. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Concordant coastlines tend to have fewer bays . What are active, dormant and extinct volcanoes? Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. The processes have been operating over the last 8000 years. 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 . Which of the following are major types of coastlines? Each process can produce several coastal features; however, they often work together to sculpt the coastlines. (BBC, 2006). how to change text duration on reels. Protection of cold environments as wilderness areas. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. Discordant and Concordant Coastlines GCSE Geography A Level - YouTube What is the structure of the tropical rainforest? Within geography, the definition of a coastline is the area where land meets water. The water. This belongs to: _____. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. When the auto-complete results are available, use the up and down arrows to review and Enter to select. One of the topics looked at in GCSE Geography is the features that are found on a coastline. You know your landforms of coastal erosion. 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. What percent of the global population lives within 100km of a coastline? Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. Joints,Dips and Faults in terms of rocks. discordant coastline diagram. Discordant These are where rock strata or structures are aligned at an angle to the coastline. How is urban planning improving the quality of life for the urban poor in Mumbai? Coastal landscapes in the UK - AQA - BBC Bitesize Bonding between rocks either side of the plane is weaker than bonding within strata. . Discordant These are where rock strata or structures are aligned at an angle to the coastline. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. 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. 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. 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. As we mentioned earlier, this tends to shift the coastline further inland. Selenium Deficiency In Baby Goats, The coastal environment of the world is made up of a wide variety of landforms manifested in a spectrum of sizes and shapes ranging from gently sloping beaches to high cliffs, yet coastal landforms are best considered in two broad . This. Headlands and bays can form on concordant coastlines too, as has happened . It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. 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. Use the resources provided to write notes that Wave Refraction and Coastal Defences. . The longer the fetch length and the faster the wind speed, the . Concordant coastline - Wikipedia Why are deserts located along the tropics? Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. The geology of the Isle is complex. But do they serve as anything more than a place to go for a hike or a tan? 4 - the process of forming Lulworth Cove, Dorset, UK. The more the waves crash onto the beach, the more sediment is washed out to sea. What are the social and economic opportunities associated with the growth of Rio? The three major coastal processes include erosion, transportation and deposition. A concordant coastline has the same type of rock. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. concordant and discordant coastlines bbc bitesize concordant and discordant coastlines bbc bitesize The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. This results in the formation of headlands and bays. They have a low gradient, typically under one meter in height. The coast is very young due to recent ice ages and resulting sea level change. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . For example, this could be a joint in chalk. Which landforms result from moving or melting ice? Long offshore islands and coastal inlets are running parallel to the coastline. -Erode the coast-Short wave length, high and steep. She is cooler than I am and has a life instead of enough time to make this. As a result, it does not travel far up it. Did you know? As the wave breaks, it carries material up the beach in its swash. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. PBworks / Help Create your own unique website with customizable templates. As a wave undercuts a cliff the cliff retreats. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. Have you ever gone for a stroll on a beach? 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. Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. BBC Bitesize. What is the distance between trough and crest called? Beach Headland Blowhole Wave cut platform 9. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Because the soft rock is exposed, it is eroded faster than the hard rock. Sign up to highlight and take notes. The coast is the border between the land and the sea. Meanwhile on concordant coastlines, where layers of rock run parallel to the coastline, cliffs are much more dominant. Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . You need to do some work on landforms of coastal erosion. These waves are also known as plunging waves. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. How has demand for water in the UK changed? We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. The length of perimeter approx 2km. 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). Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. They are most common where fetchis short. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. Historic records indicate that over 250 m of land were lost between 1600 and 1850. Concordant. Both concordant and discordant. Concordant coastlines tend to have fewer bays and headlands. It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. It has a variety of other micro-features and a unique geology. Weathering and mass movement in river valleys. 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. Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. Where the rock outcrops run parallel to the sea. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Discordant coasts have a crenellated pattern of projecting headlands and indented bays. A ria coast hosts multiple rias. Coastlines of Emergence. When a stretch of coastline is formed from. Pinterest. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. They are more common in . Under 5's Football Coaching Drills, Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. 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. Concordant and discordant coastlines. The coastal engineering for the shoreline protection involves: . A wave-cut notch is created by erosional processes such . The rock types are typically of . Coastal Processes | Summary & Types | GCSE Geography Revision Notes The sea has broken through this barrier and easily eroded the clays behind it. Rocks outcrop at right angles to the sea, forming headlands and bays. Which of the following is NOT a major process through which waves shape the coast? What is a discordant coastline? As a result of the coastal feature, the depth of water around a coast varies. In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. True or False: As sea levels rise, coastlines are likely to expand. GCSE 9-1 Coasts: Erosional Landforms Bundle. Which of the following are associated with discordant 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. The processes have been operating over the last 8000 years. 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. 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 significance of food, water and energy, An overview of global inequalities in the supply and consumption of resources, Carbon footprints, food miles and moves towards local sourcing of food. It can be reached at low tide by walking from the mainland. Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. 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 Holderness coastline - Coolgeography.co.uk What challenges are associated with the growth of Rio? Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. Start studying BBC Geography Bitesize: Coastal Processes. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. There are four processes involved in the eroding coastlines. Which type of underlying geology is most likely to be formed into straight cliffs? 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. Economic losses to businesses if areas become unattractive and depopulated. 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. 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. How are Nigerias trading and political relationships changing? Bay and headland - Durdle Door, Dorset. Humans, too, could almost be classified as a coastal species! Along the coastline of Dorset, there are concordant and discordant coastlines. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Quick revise. Definitions. UK Sediment Cells Source: Scool. Headlands and Bays 2. Best free resources for CAIE IGCSE Geography 0460 Theory including summarized notes, topical and past paper walk through videos by top students. Correct! Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). Hilbre Island (Cheshire) is an example of a possible fieldwork location. Many of the major cities built directly along coastlines, such as New York City and Tokyo, will be forced to develop solutions that counter rising sea levels or else abandon waterfront infrastructures and construct further inland. She is cooler than I am and has a life instead of enough time to make this. 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 . . A concordant coastline has the same type of rock along its. Or in other words, these types of coastlines have the same type of rock all along its length. Create your own unique website with customizable templates. The outer hard rock is Portland limestone. Set individual study goals and earn points reaching them. It has a discordant coastline along the east and concordant coastline along the south. Why Is Biodiversity Critical To Life On Earth? Landform change - the Dorset coastline - BBC Bitesize In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. 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. This means that these waves transport beach material back into the sea, lowering the height of a beach. The relative resistance of rock types influences the degree of indentation of bays. 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. You don't have permission to comment on this page. 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. gcsegeographyatheathfield: Coasts The differing resistance to erosion leads to the formation of headlands and bays. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. What are the air masses that affect the UK? shale), eroding quicker than the hard, resistant rock (e.g. Aqa. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. What are the environmental impacts of economic development in Nigeria? . Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. Explain the process of longshore drift (3) Coasts - Grade Booster. Soluble materials dissolve in water and are carried along. 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. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. The Jurassic Coast begins at Orcombe . If you've been to the beach, you've been to a coastline! What are they? Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. concordant and discordant coastlines bbc bitesize Coastal landforms - erosion and deposition - BBC Bitesize Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel 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). The concordant coastline runs from west to east along the south coast. Coasts are shaped by the processes of erosion, transportation and deposition. As erosion processes take place, the clay erodes away quicker than the. a headland separated by two bays. Sediment Cells. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Fig. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. 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. Along the coastline of Dorset, there are concordant and discordant coastlines. Coastal Geology - Geography A-Level - Revision World South Dorset Coast 1. it gained popularity because it preserved beach resources and avoided the negative effects of hard structures.Instead, nourishment creates a "soft" (i.e., non-permanent) structure by creating a larger sand reservoir, pushing the shoreline seaward. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. 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. Discordant. 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. Some concordant coasts have long, narrow islands running parallel to the coastline. 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 . Stop procrastinating with our study reminders. Erosion worsens as the waves becomes stronger. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. An example of a popular cove situated in a concordant coastline is the Lulworth Cove. Caves, Arches, Stacks and Sumps 3. concordant coastlines. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. What does scenery formed by erosion look like? - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. Key Question: What are the different landforms of the Jurassic Coast? While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. 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.
Baisley Pond Park Crime, Grayson Vaughan 13 Reasons Why, Milan Central Station Covid Test, St Louis Browns Football Team, Articles C