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. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. (bands) of hard rock and soft rock; many bays and headlands. Seven cliff-top homes are badly damaged as the largest tidal surge in 60 years batters the east coast of England. Where the rock outcrops run parallel to the sea. Earn points, unlock badges and level up while studying. 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 rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. Tunisia Case Study. However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. If the direction of the classification is not the same . Part of the Dorset coastline in the UK running north from the Portland limestone of Durlston Head is a clear example of a discordant coastline. Coastlines of Emergence. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . The cove is located in a South West England County known as Dorset that is found along the English Channel. The water. 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 . Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Both concordant and discordant. Free and expert-verified textbook solutions. docx, 24.88 KB. Erosion. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Summer 2 Emerging economies: Asia Studying the emergence of economies in Asia known A concordant coastline is an arrangement of rock strata along the coastline. Discordant These are where rock strata or structures are aligned at an angle to the coastline. What are the causes of deforestation in the Amazon? What is the location and importance of Mumbai? (8) Coasts - Grade Booster Geog' Clips Type # 1. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Insert links to other pages or uploaded files. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. The differing resistance to erosion leads to the formation of headlands and bays. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. A concordant coastline produced by the geological structure of folds parallel to the coast. If they move in opposite directions - one increases while the other decreases - then the pair is discordant. 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 how to change text duration on reels. While there are fjords all over the world, the most renowned fjord coasts are in Norway--and in fact, "fjord" is a Norwegian word. Corrosion is also known as solution. This process happens over thousands of years. This happened over about 1000 years, (very rapid) and submerged coastlines. . 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. concordant and discordant coastlines bbc bitesize. When a stretch of coastline is formed from different types of rock, headlands and bays can form. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. How do weather and climate affect river landscapes?
GCSE Geography Revision : Unit 1: The Coastal Zone - Blogger It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. Resistant Cretaceous Chalk forms the Foreland headland, projecting 2.5 km to the north. Consequently headlands . A concordant coastline is an arrangement of rock strata along the coastline. The UK's coastline is 31,368 km long (if you include all the main islands). Discordant coastline .
Landform change - the Dorset coastline - BBC Bitesize Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. A wave-cut notch is created by erosional processes such . These act as agents of erosion because their . concordant coastlines. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. Opportunities and Challenges in the Sahara Desert, Opportunities and Challenges in the Thar Desert, Opportunities and Challenges in the Western Desert. This belongs to: _____. As Thor says, not bad at all. Soluble materials dissolve in water and are carried along. Although now a coastal village, Happisburgh was once some distance from the sea, parted from the coast by the parish of Whimpwell, long since eroded away. Concordant. For example, this could be a joint in chalk. Great Ocean Road, Australia. discordant coastline diagram.
1 - Approximate locations on the coastline between Durlston Head and Studland Bay, map data: 2022 Google. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. Set individual study goals and earn points reaching them. Although now a coastal village, Happisburgh was once some distance from the sea, parted from the coast by the parish of Whimpwell, long since eroded away. The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). As we mentioned earlier, this tends to shift the coastline further inland. 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. Be perfectly prepared on time with an individual plan. A concordant coastline has the same type of rock. A ria is a drowned river valley that leads out to the sea. Create your own unique website with customizable templates. Caves occur when waves force their way into cracks in the cliff face.
Headlands and bays - Coastal landforms - CCEA - BBC Bitesize 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! Discordant These are where rock strata or structures are aligned at an angle to the coastline. The Earth has around 620,000 kilometres (390,000 mi) of coastline. Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. There are four major types of coastlines: emergent, submergent, discordant, and concordant. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. Long offshore islands and coastal inlets are running parallel to the coastline. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. What is the location and importance of Rio de Janeiro? Coasts can be classified in a variety of . Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. 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. Image. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. 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. Discordant These are where rock strata or structures are aligned at an angle to the coastline. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. 2. 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). Specifically looking at the differences between concordant and discordant coastlines. What is the impact of humans on the desert? 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. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. Lulworth Cove is a classic example of a 'concordant coast' - i.e. pg. The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. As erosion processes take place, the clay erodes away quicker than the. 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. Caves, Arches, Stacks and Sumps 3. . The following are facts about destructive waves. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Ways destructive waves destroy the coastline . Sustainable development in the desert The Great Green Wall. 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. When a stretch of coastline is formed from. 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. One of the topics looked at in GCSE Geography is the features that are found on a coastline. What are the effects of deforestation in the Amazon? pptx, 1.58 MB. A concordant coastline has the same type of rock along its. . Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. discordant coastlines. There are rias throughout the world, including Poole Harbour in Dorset. Geological structure is the characteristics and arrangement of rock units. This is called a discordant coastline. What are the differences in global calorie intake and food supply? 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. Sediment Cells. . Stop procrastinating with our study reminders. (bands) of hard rock and soft rock; many bays and headlands. This results in the formation of headlands and bays. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Gone surfing? If you have, then you've been to a coast and walked along a coastline. 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 occurs where the bands of differing rock types run parallel to the coast. Or in other words, these types of coastlines have the same type of rock all along its length. Unique access to harvest all resources within the EEZ, including fishing and fracking. 0. lulworth cove concordant coastline. Select all that apply. What is the impact of humans on the Taiga? -Erode the coast-Short wave length, high and steep.
Discordant and Concordant Coastlines GCSE Geography A Level - YouTube The sea attacks a weakness in the base of the cliff. Which of the following is NOT a major process through which waves shape the coast? About 40% of the global population lives within 100km of a coastline. How does flooding affect humans and the environment? . concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - 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. Which landforms result from moving or melting ice?
concordant and discordant coastlines bbc bitesize Beach Headland Blowhole Wave cut platform 9. This process. The River Tees landforms of erosion and deposition, Case Study Ganges/Brahmaputra River Basin, Geological time is on a different time to human time, Different rocks create contrasting landforms and landscapes. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head. A concordant coastline is an arrangement of rock strata along the coastline. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. It varies enormously from tropical looking Luskentyre in the Outer Hebrides, to the jagged coasts of Cornwall, from the low lying muddy estuarine coast of the Wash, to broad sandy beach and dunes at Bamburgh in Northumberland. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Stop procrastinating with our smart planner features. Fjords are created when glaciers cut through valleys and are submerged. Whenever you search in PBworks, Dokkio Sidebar (from the makers of PBworks) will run the same search in your Drive, Dropbox, OneDrive, Gmail, and Slack. During a storm, the most common waves are destructive. Did you know? The site is self-funded and your support is really appreciated. Long spits of sands run parallel to the low coast, enclosing the coast. Create and find flashcards in record time. Coastlines of Submergence: i. Ria Coast: During the Ice Age a great deal of water was locked up in ice. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast.
Coastal Erosion Landforms Quiz - Internet Geography Paisajes. 3. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. 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. Introduction to the location of the Delta. False! The Jurassic Coast begins at Orcombe . Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Approximately 40% of all people live within 100km of a coastline. Assessment week 2 (WB 24th February 2020) - End of unit test - Physical landscapes of the UK. Even London is built along the River Thames, which flows into the North Sea. 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. A bedding plane is the interface between two sedimentary strata. Describe the characteristics of destructive waves (3) Coasts - Grade Booster. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. Which type of underlying geology is most likely to be formed into straight cliffs? Have all your study materials in one place. Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. The United Nations uses coastlines to help determine international boundaries at sea. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. 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 ). On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Importance of the Delta for the region. Historic records indicate that over 250 m of land were lost between 1600 and 1850. Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . Thus, a concordant coastline refers to a coastline that is made up of the same kinds of rocks and arranged parallel to the coast of the sea or ocean. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. Weathering and mass movement in river valleys.
BBC Geography Bitesize: Coastal Processes Flashcards | Quizlet BBC Bitesize. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. Because the waves are so frequent, the backwash has less time to soak into the sand. What are the different types of weathering? Full lesson covering the different types of erosion and geology along the coast. Where are polar and tundra environments located? What is migration and why do people migrate? Ripples are created; these ripples will become waves if the wind is sustained. Find out more about concordant coastlines. Discordant coastline - Source www.bbc.co.uk As soft rock, such as glacial till, is more susceptible to erosion it erodes more rapidly than more resistant rock such as chalk.
Coastal Processes: Erosion, Transport and Deposition - Blogger (For example the south or the Dorset coast) .
What is a concordant coastline? - Internet Geography During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. How are Nigerias trading and political relationships changing? The more the waves crash onto the beach, the more sediment is washed out to sea. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Selenium Deficiency In Baby Goats, A concordant coastline is where the same rock runs along the length of the coast. Introduction to the location of the Delta. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. Wave Refraction and Coastal Defences.
concordant and discordant coastlines bbc bitesize concordant and discordant coastlines bbc bitesize 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 .
Concordant and Discordant Coastlines by Leia Daniels - Prezi How does food insecurity affect the environment? What factors influence the effects and response to tectonic activity? Pinterest. . The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Concordant coastline 2. What is the structure of the Temperate Deciduous Woodland? Emergent Coastlines. Take a look at our resources under Topics in the menu at the top of the page. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. Not surprisingly, destructive waves destroy beaches.
Erosional landforms - Coastal landforms - AQA - BBC Bitesize Discordant coasts have a crenellated pattern of projecting headlands and indented bays. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. What percent of the global population lives within 100km of a coastline?
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