Human and physical factors causing river flooding. During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. The coast is the border between the land and the sea. It has a variety of other micro-features and a unique geology. There are two special types of submerged coastlines: ria coasts and fjord coasts. Which type of underlying geology is most likely to be formed into straight cliffs? lulworth cove concordant coastline. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. A concordant coastline has the same type. 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. Create your own unique website with customizable templates. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. Dorset coastline - Coastal landforms - AQA - BBC Bitesize 1. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. 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. docx, 24.88 KB. 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 . What is the impact of humans on the desert? The outer hard rock is Portland limestone. 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. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. Correct! In some cases it is estimated that there was a rise . . Discordant and concordant coasts in Dorset. Bays and headlands are common features along discordant coastlines. Numerous plants and animals have adapted to live along coastlines. Protection of cold environments as wilderness areas. Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. concordant and discordant coastlines bbc bitesize Waves can be gentle and infrequent or more significant, more frequent, and more powerful. 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 coast is very young due to recent ice ages and resulting sea level change. A concordant coastline comprises bands of different rock types that run parallel to the shore. A wave-cut notch is created by erosional processes such . 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. Unique access to harvest all resources within the EEZ, including fishing and fracking. The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. e.g. what is the difference between concordant and discordant coast lines (4) concordant coasts are created where rock strata run parallel to the coastline in alternating bands of more resistant and less resistant rocks. The geology of the Isle is complex. dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam Bay and headland - Durdle Door, Dorset. Rocks outcrop at right angles to the sea, forming headlands and bays. Touch device users . What is a discordant coastline? Discordant and Concordant Coastlines GCSE Geography A Level - YouTube Chesil Beach in Dorset was formed this way. Case Study: Coastal Management in Dawlish Warren - Blogger 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. Teacher. Can the risks of volcanic eruptions be reduced? Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. 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. Landscapes. Links to wider reading and an introductory video. StudySmarter is commited to creating, free, high quality explainations, opening education to all. The differing resistance to erosion leads to the formation of headlands and bays. A concordant coastline is where the same rock runs along the length of the coast. Originally a band of resistant Portland . This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. A concordant coastline has the same type of rock. Identify your study strength and weaknesses. The longer the fetch length and the faster the wind speed, the . 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. Durdle Door - Wikipedia A concordant coastline diminated by limestone in the map has the same type of rock along its length. 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. . Both concordant and discordant. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. Teacher. They are more common in . Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. A coastline is an area where land meets the water. Use the resources provided to write notes that Wave Refraction and Coastal Defences. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. GCSE Bitesize: Headlands and bays | Geography revision - Pinterest The concordant coastline runs from west to east along the south coast. of the users don't pass the Coastlines quiz! How is demand for energy changing in the UK? The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. How has the growth of Lagos caused inequality? This happened over about 1000 years, (very rapid) and submerged coastlines. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. What are Mumbais social and economic opportunities? What does scenery formed by erosion look like? . 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. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. 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 . Explain the process of longshore drift (3) Coasts - Grade Booster. What feature is left behind as the cliff retreats? Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. These act as agents of erosion because their backwashis greater than their swah. Today. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . 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. 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. (For example the east of the Dorset coast) How Geology affects the coast . Specifically looking at the differences between concordant and discordant coastlines. You don't have permission to comment on this page. Erosion worsens as the waves becomes stronger. What are the impacts of industry on the physical environment? If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Published by at February 16, 2022. Sustainable development in the desert The Great Green Wall. How do weather and climate affect river landscapes? Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. 2B.2B Their Morphology - A-LEVEL GEOGRAPHY REVISION: EDEXCEL Practice Questions: Slideshow 2773107 by chanel coastlines. Geology is the study of the types of rocks that make up the Earth's crust. Concordant and Discordant Coastlines by Leia Daniels - Prezi What are the different types of weathering? Discordant. 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. Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. Discordant These are where rock strata or structures are aligned at an angle to the coastline. A submergent coastline is a coastline that has submerged below the water. Erosion Sea forces change coastal landscapes with the wind being the major source of waves. 8. Why Is Biodiversity Critical To Life On Earth? On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Each process can produce several coastal features; however, they often work together to sculpt the coastlines. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. 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 . 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. Concordant coastline Uncordant coastline Variable coastline 8. Concordant coastlines tend to have fewer bays . Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). The fetch, often called the fetch length, is the length of water over which a given wind has blown. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. 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. The bands of soft rock, such as sand . The sea has broken through this barrier and easily eroded the clays behind it. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. Their wavelength is .and a.. frequency (8-10 waves per minute). Soluble materials dissolve in water and are carried along. These form where deposition produces unconsolidated geological structures parallel to the coastline. You know your landforms of coastal erosion. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Many of our major cities have developed along oceanic coasts as well: think of New York City, Tokyo, Istanbul, Dubai, Hong Kong, and Copenhagen, just to name a few! Beach Headland Blowhole Wave cut platform 9. What Is A Concordant Coastline? - WorldAtlas discordant coastlines. Gone surfing? Caves occur when waves force their way into cracks in the cliff face. Economic losses to businesses if areas become unattractive and depopulated. It remains England's only natural World Heritage Site. This results in the formation of headlands and bays. Human actions and Physical factors affecting the Delta. False! These act as agents of erosion because their . Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. Paisajes. Correct!
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