This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. The warmer climate that followed melted much of the ice. You need to do some work on landforms of coastal erosion. pptx, 1.58 MB. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. discordant coastlines. full verbatim. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. The length of perimeter approx 2km. As stated earlier, coves are formed out of concordant coastlines. $14 million dollar house maine; When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. What is the impact of humans on the Taiga? This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. What is chemical and mechanical weathering? material at the coast and in a river. Pinterest. Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Concordant and discordant coasts . About 40% of the global population lives within 100km of a coastline. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Aqa. The results are deep, lengthy, thin inlets surrounded by high cliff faces. Protection of cold environments as wilderness areas. English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . Create your own unique website with customizable templates. a headland separated by two bays. How reliable are economic indicators of development? e.g. What are they? (8) Coasts - Grade Booster Geog' Clips Not surprisingly, destructive waves destroy beaches. Sediment Cells. When the auto-complete results are available, use the up and down arrows to review and Enter to select. shale), eroding quicker than the hard, resistant rock (e.g. True or False: Concordant coastlines form coves. It's a way of having all my information in one place. Headlands and bays can form on concordant coastlines too, as has happened . Because the soft rock is exposed, it is eroded faster than the hard rock. A concordant coastline is an arrangement of rock strata along the coastline. Gcse Geography Revision Aqa Coastal Landscapes Teacher Image Paisajes Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Key Question: What are the different landforms of the Jurassic Coast? The image below (figure 2) is taken at Durlston Head, which shows the bay (yellow) and the headland (red). These act as agents of erosion because their . (For example the east of the Dorset coast) How Geology affects the coast . Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. Shake Hands With Beef Girl, Type # 1. A concordant coastline produced by the geological structure of folds parallel to the coast. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Lulworth Cove is a World Heritage site and part of the Heritage Coastline. They are more common in . Terms of use / Privacy policy / GDPR, About this workspace Can the risks of volcanic eruptions be reduced? 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). The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Which of the following is NOT typically found in a coastal ecosystem? The shape of the coastline (which is dependent on its geology) - on concordant coastlines, rocks are parallel to the wave front and therefore rates of erosion are similar along the coastline. Wrong! There are four major different types of coastlines: Below, we will go into more detail on all of these different types of coastlines. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Where are Temperate Deciduous Woodlands Located? What is the impact of humans on the desert? Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. Coastal. Consequently headlands and bays form along discordant coastlines and whilst headlands remain exposed to the force of the waves, bays are sheltered. There are four processes involved in the eroding coastlines. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. coastlines. These are coastlines where the bands of rock run perpendicular to the coastline meaning . The coastal engineering for the shoreline protection involves: . Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Landforms in the middle course of a river. Beach Headland Blowhole Wave cut platform 9. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. Coasts Revision Booklet. Human actions and Physical factors affecting the Delta. Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. The cove is located in a South West England County known as Dorset that is found along the English Channel. Headlands and Bays 2. Soft rocks like mudstone and siltstone Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. A concordant coastline produced by the geological structure of folds parallel to the coast. Correct! Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Nie wieder prokastinieren mit unseren Lernerinnerungen. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. The three major coastal processes include erosion, transportation and deposition. They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Use the resources provided to write notes that Wave Refraction and Coastal Defences. 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. Discordant These are where rock strata or structures are aligned at an angle to the coastline. The concordant coastline runs from west to east along the south coast. A concordant coastline comprises bands of different rock types that run parallel to the shore. 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. Erosion worsens as the waves becomes stronger. These will be exam question style ranging from 4, 6 and 9 mark . Great Ocean Road, Australia. lulworth cove concordant coastline. This is considered sovereign national territory, the same as boundaries on land. A ria is a drowned river valley that leads out to the sea. Adapted from BBC. Safe access points to the shoreline at several points around the edge. a ks3 unit work consisting of 7 complete lessons covering coasts: lesson 1 - introduction to uk physical landscapes lesson 2 - characteristics of ocean waves lesson 3 - erosion and geology lesson 4 - erosional landforms lesson 5 - transport and deposition lesson 6 - weathering and mass movement lesson 7 - coastal management decision making task Small particles are carried along by the water. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. Stop procrastinating with our smart planner features. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. There are different bands of rock that have shaped this discordant coastline, namely: Fig. As the wave breaks, it carries material up the beach in its swash. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. Sign up to highlight and take notes. 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 Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Bits of rock and sand that the waves have picked up are thrown against the cliff face. PBworks / Help They are more common in winterthan in the summer. Ria coastlines are a type of submergent coastline, but Dalmation landforms are associated with concordant coastlines. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. 8. 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. 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. Spanning 243 kilometers along Australia's southeastern coast from Torquay to Allansford, the Great Ocean Road is one of the world's most scenic coastal routes. Hydraulic action, attrition, abrasion, and corrosion. A coastline is anywhere where the land meets the water. Geology is the study of the types of rocks that make up the Earth's crust. Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. Approximately 40% of all people live within 100km of a coastline. The four major types of coastlines are emergent coastlines; submergent coastlines; concordant coastlines; and discordant coastlines. Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. GCSE and A Level Geography Revision. What challenges have been caused by urban growth in Mumbai? Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the ocean or a lake. 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. She is cooler than I am and has a life instead of enough time to make this. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . As the wave approaches the coast, it gains height and drops onto a steep beach. Faulting is the fracturing of rock with movement from its original position. Soluble materials dissolve in water and are carried along. Headlands and bays Cliffs along the coastline do not erode at the same pace. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. What are the differences in global calorie intake and food supply? Discordant These are where rock strata or structures are aligned at an angle to the coastline. Long spits of sands run parallel to the low coast, enclosing the coast. The three major coastal processes include erosion, transportation and deposition. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? Create the most beautiful study materials using our templates. As the wave approaches a coast, its progress is modified due to friction from the seabed, halting the motion of waves. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. Teacher. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. One of the topics looked at in GCSE Geography is the features that are found on a coastline. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. . The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Add in the missing words. A submergent coastline is a coastline that has submerged below the water. Touch device users . geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. What is a discordant coastline? Named after the Dalmatia region on the Adriatic Sea. The process begins with seawater hitting on the coastline. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below). Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. 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. The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. Concordant coastline 2. Soft engineering: Beach nourishment is a type of soft approach. Little Hilbre Island (Cheshire) by Google Earth / ESRI, Imagery 2016 Getmapping plc, Map data 2016 Google. If the direction of the classification is not the same . It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. Caves occur when waves force their way into cracks in the cliff face.
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