The outer hard provides a protective barrier to erosion of the softer rocks further inland. What does scenery formed by erosion look like? Published by at February 16, 2022. Coastal Geology. The following are facts about destructive waves. Stop procrastinating with our smart planner features. What are the economic and environmental issues of energy production? They have a mainly circular orbit, a .. gradient. 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. Less resistant rocks are eroded more than the resistant . What is chemical and mechanical weathering? The Holderness coastline - Coolgeography.co.uk Introduction to the location of the Delta. Coasts are shaped by the processes of erosion, transportation and deposition. BBC Bitesize. 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. Which of the following are associated with discordant coastlines? A ria coast hosts multiple rias. Limestone Case Study Malham, The Yorkshire Dales. concordant and discordant coastlines bbc bitesize dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam Historic records indicate that over 250 m of land were lost between 1600 and 1850. Which of the following is NOT a major process through which waves shape the coast? The coast is the border between the land and the sea. Faulting is the fracturing of rock with movement from its original position. Sea turtles return to coasts to lay their eggs, and birds like gulls and pelicans do much of their hunting near the shore. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. 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 . Safe access points to the shoreline at several points around the edge. There are four major types of coastlines: emergent, submergent, discordant, and concordant. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Where the rock outcrops run parallel to the sea. Coasts can be classified in a variety of . 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. Caves occur when waves force their way into cracks in the cliff face. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. 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. Under 5's Football Coaching Drills, 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. The process begins with seawater hitting on the coastline. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. Where do volcanoes and earthquakes happen? Key Question: What are the different landforms of the Jurassic Coast? The differing resistance to erosion leads to the formation of headlands and bays. The coastline between Durlston Head and Studland Bay in Dorset, UK, is a great example of a discordant coastline. How has demand for water in the UK changed? How is demand for energy changing in the UK? Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. 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). Students will learn about different types of rock and will consider how resistance can affect rates of erosion. concordant and discordant coastlines bbc bitesize If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. International migration from Syria to Europe, Japan A country with a high dependent population. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. Insert links to other pages or uploaded files. The fetch, often called the fetch length, is the length of water over which a given wind has blown. This is called a discordant coastline. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. 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. Gone surfing? Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. True or False: Concordant coastlines form coves. Economic losses to businesses if areas become unattractive and depopulated. If you've been to the beach, you've been to a coastline! 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. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. A hard rock type such as granite is resistant to erosion and creates a promontory whilst a softer rock type such as the clays of Bagshot Beds . Copyright2007 - 2023 Revision World Networks Ltd. Specification and other support materials for teachers, including delivery guides Explore. Why is the weather of the UK so changeable? Terms of use / Privacy policy / GDPR, About this workspace Discordant. This belongs to: _____. Sign up to highlight and take notes. Originally a band of resistant Portland . material at the coast and in a river. (bands) of hard rock and soft rock; many bays and headlands. What are the air masses that affect the UK? Can the risks of volcanic eruptions be reduced? This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. Touch device users . The UK's coastline is 31,368 km long (if you include all the main islands). BBC Bitesize Geoguessr Google Maps Gapminder . What is a discordant coastline? Erosion. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. A submergent coastline is a coastline that has submerged below the water. 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 diminated by limestone in the map has the same type of rock along its length. Key Question: What are the different landforms of the Jurassic Coast? In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. 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. What is the location and importance of Rio de Janeiro? As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. The part of the wave in the deeper water moves forward faster causing the wave to bend. Approximately 40% of all people live within 100km of a coastline. How are Nigerias trading and political relationships changing? It has a discordant coastline along the east and concordant coastline along the south. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. Use the resources provided to write notes that Wave Refraction and Coastal Defences. 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. Consequently headlands . There are four processes involved in the eroding coastlines. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. Emergent Coastlines. 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. Sustainable development in the Temperate Deciduous Woodland. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago.
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