North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. The differing resistance to erosion leads to the formation of headlands and bays. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. Coasts are shaped by the processes of erosion, transportation and deposition. Consequently, the water from the sea sweeps away the soft rocks leaving behind a circular land formation known as a cove. As a result, it does not travel far up it. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. Waves can be gentle and infrequent or more significant, more frequent, and more powerful. Emergent Coastlines. Have all your study materials in one place. While not every UN member has ratified UNCLAS, most nations abide by it anyway. What problems are caused by global warming? Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. Concordant coastlines tend to have fewer bays . Gcse Geography Revision. 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. Type # 1. Coasts can be classified in a variety of . Rocks outcrop at right angles to the sea, forming headlands and bays. A concordant coastline has the same type. 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 . 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). In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Links to wider reading and an introductory video. These form where deposition produces unconsolidated geological structures parallel to the coastline. The differing resistance to erosion leads to the formation of headlands and bays. Concordant coastlines tend to have fewer bays and headlands. Concordant coastline Uncordant coastline Variable coastline 8. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. 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 ). Which type of underlying geology is most likely to be formed into straight cliffs? Destructive waves are usually very high, over 1m. International migration from Syria to Europe, Japan A country with a high dependent population. pptx, 1.58 MB. 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. The three marine processes that shape the coastline are erosion, transportation, and deposition. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. The relatively gentle profile of the beach with a steep ridge at the top of the beach means that the backwash soaks into the sand or slowly drains away. 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. Under 5's Football Coaching Drills, Everything you need for your studies in one place. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . 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. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. The length of perimeter approx 2km. Bull's Head in St Oswald's Bay. Paisajes. They have a mainly circular orbit, a steep gradient. (For example the east of the Dorset coast) How Geology affects the coast . pptx, 1.58 MB. (For example the south or the Dorset coast) . Be perfectly prepared on time with an individual plan. Specification and other support materials for teachers, including delivery guides Explore. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. Why is there a trend towards agribusiness? The amount of energy is dependent on the wind speed, the length of time the . Create beautiful notes faster than ever before. What is the structure of the Temperate Deciduous Woodland? Caves, arches, stacks and stumps Weathering and erosion can create caves, arches, stacks and stumps along a headland. What are the economic and environmental issues of energy production? Originally a band of resistant Portland . Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. Water quality and pollution management in the UK. . Concordant. We use cookies to ensure that we give you the best experience on our website. A concordant coastline diminated by limestone in the map has the same type of rock along its length. 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 Caves, arches, stacks and stumps Caves, arches, stacks and stumps are all features of a weathering or erosion process at different stages. The relative resistance of rock types influences the degree of indentation of bays. How has urbanisation helped Nigeria to develop? Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Insert links to other pages or uploaded files. They are also called spilling or surging waves. BBC iPlayer 37k followers More information Discordant and concordant coasts in Dorset Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. The image below shows how the refracted wave becomes increasingly parallel to the shoreline. Coastlines also help us demarcate international boundaries. starter: Students examine the picture and discuss what is happening to the houses and why. The processes have been operating over the last 8000 years. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. What are they? Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Earn points, unlock badges and level up while studying. . A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. . How have plants adapted to cold environments? She is cooler than I am and has a life instead of enough time to make this. Coasts Revision Booklet. Fetch length along with the wind speed (or strength) determines the size of waves produced. What percent of the global population lives within 100km of a coastline? As our Earth warms, glaciers melt, causing the sea level to rise. They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Fetch length along with the wind speed (or strength) determines the size of waves produced. Specifically looking at the differences between concordant and discordant coastlines. discordant coastline diagram. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . . It is one of the best examples in Europe of the stages of erosion on a concordant coastline. The process of erosion can create different landforms along the coastline. docx, 24.88 KB. This quiz focusses in particular on those features which are caused by coastal erosion. coastlines. It's a way of having all my information in one place. Click To Play 1. Worksheets with answers provided that guide students through sequencing each landform with the emphasis on process detail and geology. 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. This is called a discordant coastline. 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. 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. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . A coastline is anywhere where the land meets the water. Bays and headlands are common features along discordant coastlines. How is demand for energy changing in the UK? Explore. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. Or in other words, these types of coastlines have the same type of rock all along its length. As a wave undercuts a cliff the cliff retreats. The process begins with seawater hitting on the coastline. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Why is the Human Development Index important? A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. Create your own unique website with customizable templates. Friction with the sea bed as waves approach the shore causes the wave front to become distorted or refracted as velocity is reduced. In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. Create your own unique website with customizable templates. The concordant coastline runs from west to east along the south coast. Key Question: What are the different landforms of the Jurassic Coast? Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. How does geology affect the formation of river landforms? The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. UK Sediment Cells Source: Scool. Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. pg. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. 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 where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. Tunisia Case Study. After the waves broke through, creating an opening, the softer clay after the limestone started to erode away as well, creating a cove (figure 4).

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