concordant and discordant coastlines bbc bitesize

Concordant. What is the impact of humans on the temperate deciduous woodland? Specifically looking at the differences between concordant and discordant coastlines. 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 . GCSE 9-1 Coasts: Erosional Landforms Bundle. What feature is left behind as the cliff retreats? Discordant coastlines - where the rock layers alternate between harder and softer rock, which bays and headlands are more likely . The differing resistance to erosion leads to the formation of headlands and bays. a headland separated by two bays. Human actions and Physical factors affecting the Delta. Try Dokkio Sidebar for free. 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. 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 . 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. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. 1. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. pg. 3 Revision Guides Business Studies: - Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision Guide Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision workbook Computing: - Students have already been provided with a revision guide and question books. Erosion. It has a discordant coastline along the east and concordant coastline along the south. When the auto-complete results are available, use the up and down arrows to review and Enter to select. Waves are the main reason for coastal change. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. It is a valuable habitat for birds and plants eg a wide array of wading birds like the avocet. Emergent Coastlines. Concordant and discordant coastlines. Soluble materials dissolve in water and are carried along. Paymaya Annual Report, They are most common where fetchis short. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . As we mentioned earlier, this tends to shift the coastline further inland. Ways destructive waves destroy the coastline . Joints,Dips and Faults in terms of rocks. How does flooding affect humans and the environment? The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. A unique coastline within the UK is Lulworth Cove in Dorset. The differing resistance to erosion leads to the formation of headlands and bays. of the users don't pass the Coastlines quiz! A wave-cut notch is created by erosional processes such . 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. Distribution of earthquakes and volcanoes, Effects of earthquakes and volcanoes on people and the environment, Reducing the impacts of earthquakes and volcanoes, Population and settlement iGCSE Geography, The main causes of a change in population size, A country with a rate of high population growth China, A country which is over-populated Bangladesh, A country which is under-populated Australia, A country with a low rate of population growth or decline Japan. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Dip is the angle of inclination of titled strata. 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. There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. More erosion at the present (2016-2017) is occurring further east, down drift, in the Barton Golf Course and Hordle Cliff area, as a result of the Barton Sea Defences (the so-called "Terminal . full verbatim. Water quality and pollution management in the UK. (8) Coasts - Grade Booster Geog' Clips The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. The Jurassic Coast begins at Orcombe . Test your knowledge with gamified quizzes. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. Caves, Arches, Stacks and Sumps 3. Awesome, well done! 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 ). Discordant These are where rock strata or structures are aligned at an angle to the coastline. These form where deposition produces unconsolidated geological structures parallel to the coastline. The cove is located in a South West England County known as Dorset that is found along the English Channel. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Sign up to highlight and take notes. Image. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. While discordant coastlines have bands of different rock types running perpendicular to the coast, concordant coastlines have bands of similar rock types running parallel (alongside) to the coast. The Jurassic Coast begins at Orcombe . Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. Beach Headland Blowhole Wave cut platform 9. 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. Either way, there is now a (bit of) coastline that is no longer submerged under water. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. Concordant coastline. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. discordant coastline diagram. The process begins with seawater hitting on the coastline. Where are Temperate Deciduous Woodlands Located? Landforms in the middle course of a river. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. Have you ever gone for a stroll on a beach? A concordant coastline occurs where the bands of differing rock types run parallel to the coast. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Erosion worsens as the waves becomes stronger. Wrong! Its 100% free. A concordant coastline is an arrangement of rock strata along the coastline. Key Question: What are the different landforms of the Jurassic Coast? What are they? Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. 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 Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. Lulworth Cove and Stair Hole, with narrow openings, widening laterally parallel to the coast. Concordant coastlines tend to have fewer bays and headlands. What is the Demographic Transition Model? Along the coastline of Dorset, there are concordant and discordant coastlines. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Introduction to the location of the Delta. The sea attacks a weakness in the base of the cliff. A concordant coastline comprises bands of different rock types that run parallel to the shore. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. 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. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. It has a discordant coastline along the east and concordant coastline along the south. A chalk cliff face is at the back of the cove. The angle these bands make with the coastline makes it either a concordant or discordant coastline. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. What are active, dormant and extinct volcanoes? This. She is cooler than I am and has a life instead of enough time to make this. There are four processes involved in the eroding coastlines. What is the role of transnational companies in Nigeria? B Gradually the . chalk) . The first difference between concordant and discordant coastlines is that the concordant coastlines are composed of similar rock types whereas, in the case of discordant coastlines, the rocks are of different kinds. Some concordant coasts have long, narrow islands running parallel to the coastline. Faulting is the fracturing of rock with movement from its original position. This is considered sovereign national territory, the same as boundaries on land. The shifting coastlines can impact freshwater resources near the coasts by creating brackish mixtures, and can also pose an obvious danger to infrastructure built directly along the coast. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. Over time the sea can wash away an entire coastline, forcing back human uses of that land (such as settlements or farms) and letting the sea . This differential erosion creates headlands and bays along discordant coastlines. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Under 5's Football Coaching Drills, The differing resistance to erosion leads to the formation of headlands and bays. The part of the wave in the deeper water moves forward faster causing the wave to bend. Where the rock outcrops run parallel to the sea. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. 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. Discordant These are where rock strata or structures are aligned at an angle to the coastline. The more the waves crash onto the beach, the more sediment is washed out to sea. 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). What is the location and importance of Rio de Janeiro? The shape of the cove is the result of wave diffraction. Coastlines are formed through the processes of erosion, transportation, and deposition. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. Excluding the shoreline of Poole Harbour, the Dorset coastline is 142 kilometres (88 mi) long. Pinterest. Now you can find what you're looking for wherever it lives. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). GCSE and A Level Geography Revision. 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. What are the physical characteristics of cold environments? Which of the following are major types of coastlines? Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. What are Mumbais social and economic opportunities? Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. Published by at February 16, 2022. What are the social and economic opportunities associated with the growth of Rio? About 40% of the global population lives within 100km of a coastline. Gradually the material is moved along the coastline, its . Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. This process. What is the location and importance of Mumbai? Economic losses to businesses if areas become unattractive and depopulated.