geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. Concordant coastlines tend to have fewer bays and headlands. A bedding plane is the interface between two sedimentary strata. 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 structure of the Temperate Deciduous Woodland? The more the waves crash onto the beach, the more sediment is washed out to sea. 2: Durlston headland and bay (https://en.wikipedia.org/wiki/File:Durlston_bay_from_durlston_castle.jpg) by Jim Champion (https://commons.wikimedia.org/wiki/User:JimChampion) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en), Fig. Erosion worsens as the waves becomes stronger. How do weather and climate affect river landscapes? 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 ). The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . We support the next generation of geographers and geoscientists, with inspiring educational videos for secondary school students and teachers. Where do volcanoes and earthquakes happen? Caves, Arches, Stacks and Sumps 3. A concordant coastline is where the same rock runs along the length of the coast. True or False: In 1982, the United Nations Convention on the Law of the Sea created international maritime boundaries based on relative naval power. 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. UK Sediment Cells Source: Scool. 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. Paymaya Annual Report, A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Lulworth Cove is a classic example of a 'concordant coast' - i.e. 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. Coastal Erosion Landforms Quiz - Internet Geography Numerous plants and animals have adapted to live along coastlines. Large colonies of sea lions and seals sleep and breed along coastlines, entering the seas to hunt. A fjord coast hosts multiple fjords. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. What are the air masses that affect the UK? False! Did you know? Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. In the Holocene Interglacial constructive waves pushed the ride of sands and gravel landwards as sea levels rose. (bands) of hard rock and soft rock; many bays and headlands. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. The hard rock shields the soft rock from erosion. Coastlines: Geography Definition, Types & Facts | StudySmarter A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. What Is A Concordant Coastline? - WorldAtlas The first difference between concordant and discordant coastlines is that the concordant coastlines are composed of similar rock types whereas, in the case of discordant coastlines, the rocks are of different kinds. At the mouth of the River Oder near Szczecin, Stettiner Haff formed where sand ridge connected islands, leaving river to emerge through three narrow outlets. Besides hosting a multitude of specialised plants and animals, coastlines are also critical to our economic and political infrastructures, providing people with sources of food and livelihoods and allowing us to determine where our borders actually end. What is the structure of the tropical rainforest? During this time, glaciers and ice sheets were retreating, causing a rise in global sea levels and localised changes in land height. There are rias throughout the world, including Poole Harbour in Dorset. Identify your study strength and weaknesses. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. coastlines. Coastal Processes | Summary & Types | GCSE Geography Revision Notes concordant and discordant coastlines bbc bitesize How Is Climate Change Impacting The Water Cycle. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. This differential erosion creates headlands and bays along discordant coastlines. Coastlines with the same type of rock along its length tend to have fewer features ad are called concordant coastline. Ordinal trends and finding concordant and discordant pairs 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 . Unique access to harvest all resources within the EEZ, including fishing and fracking. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. As the wave approaches the coast, it gains height and drops onto a steep beach. Coastlines of Emergence. Landform change - the Dorset coastline - BBC Bitesize 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. There are different bands of rock that have shaped this discordant coastline, namely: Fig. 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 concordant and discordant coastlines bbc bitesize Definitions. The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. Hilbre Island (Cheshire) is an example of a possible fieldwork location. Stop procrastinating with our smart planner features. Coastal Erosion Landforms - Features and Formation - Blogger The length of perimeter approx 2km. Use the resources provided to write notes that The longer the fetch length and the faster the wind speed, the . Create and find flashcards in record time. An explanation of the formation of the cove can be found on the right. 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. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Cliffs and Wave-cut platforms Before you revise the formation of these landforms, have a look at this video and make sure you are able to identify the landforms from their distinctive features. A concordant coastline can take one of the following two landform types: An example of a concordant coastline is Lulworth Cove, again, in Dorset, UK (figure 3). Introduction to the location of the Delta. Shake Hands With Beef Girl, Fig. You know your landforms of coastal erosion. True or False: Ria coastlines and Dalmatian landforms are both associated with submergent coastlines. Lulworth Cove is located on the so-called Jurassic Coast, spanning 185 million years of geological history, from the Triassic (252 - 201 million years ago), Jurassic (199.6 - 145.5 million years ago), and Cretaceous (145 - 66 million years ago) periods. Coastal Erosion - Geography AS Waves are the main reason for coastal change. How have animals adapted to cold environments? Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. 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. Our geography videos are developed with links to various specifications including Geography GCSE, Geography IGCSE, Geography AS-level, Geography A-level, Geography IA-level, Geography National 5, Geography Higher. Discordant. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Use the resources provided to write notes that Wave Refraction and Coastal Defences. [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Sediment Cells. It's a way of having all my information in one place. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Waves in the middle of the bay, where the water is deeper, do not lose velocity as . 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. Concordant Coasts . A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Concordant coastlines tend to have fewer bays . PBworks / Help Coastal. This quiz focusses in particular on those features which are caused by coastal erosion. The coastal environment of the world is made up of a wide variety of landforms manifested in a spectrum of sizes and shapes ranging from gently sloping beaches to high cliffs, yet coastal landforms are best considered in two broad . Full lesson covering the different types of erosion and geology along the coast. full verbatim. Economic losses to businesses if areas become unattractive and depopulated. starter: Students examine the picture and discuss what is happening to the houses and why. The outer hard rock is Portland limestone. Specifically looking at the differences between concordant and discordant coastlines. The hard rock that forms Lulworth Cove is called the Portland limestone and chalk whereas the soft rock is clay. Take a look at our resources under Topics in the menu at the top of the page. Find out more about concordant coastlines. Reasons for Protecting Dawlish Warren: 1. The sea attacks a weakness in the base of the cliff. Swam in the ocean? A chalk cliff face is at the back of the cove. Shingle ridge reconnected island of Portland Bill to land (a tombolo). 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. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Image. A concordant coastline produced by the geological structure of folds parallel to the coast. 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. This results in the formation of headlands and bays. dxterity stock symbol / nice houses for sale near amsterdam / nice houses for sale near amsterdam It can be reached at low tide by walking from the mainland. Pinterest. Concordant coastline 2. Awesome, well done! 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. CAIE IGCSE Geography 0460 Theory Revision Notes - ZNotes Erosion worsens as the waves becomes stronger. This process happens over thousands of years. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. The coastline determines everything. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Beach material is deposited as a bridge of sediment (berm) at the top of the beach. concordant and discordant coastlines bbc bitesize. Erosional landforms - Coastal landforms - AQA - BBC Bitesize pg. The swash of a destructive wave is much weaker than its backwash. Coastal Processes: Erosion, Transport and Deposition - Blogger ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. The shifting coastlines can impact freshwater resources near the coasts by creating brackish mixtures, and can also pose an obvious danger to infrastructure built directly along the coast. What does scenery formed by erosion look like? A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Safe access points to the shoreline at several points around the edge. As the wave breaks, it carries material up the beach in its swash. 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 is an arrangement of rock strata along the coastline. However, structure is not the only factor influencing the indentation of Swanage Bay, since Swanage bay faces east, and is sheltered from the prevailing south westerly wind and highest energy waves. Headlands are formed when the sea attacks a section of coast with alternating horizontal bands of hard and soft rock. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). . What is the highest point of a wave called? By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Correct! Both concordant and discordant. What percent of the global population lives within 100km of a coastline? The coast is very young due to recent ice ages and resulting sea level change. 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. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. 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. Pebble sized particles are bounced along the river bed/sea by the force of the water. 1. The Early Cretaceous, sometimes known as Lower Cretaceous, is the period stretching from 145 million years ago to 100.5 million years ago. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. Geology is the study of the types of rocks that make up the Earth's crust. 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. This belongs to: _____. Historic records indicate that over 250 m of land were lost between 1600 and 1850. Limestone Case Study Malham, The Yorkshire Dales. 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. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. What is the location and importance of Rio de Janeiro? The image below shows a wave-cut platform formed at Flamborough, Holderness Coast. What are concordant and discordant pairs? - Minitab The headlands are formed by the hard rocks such as limestone and chalk while the bays are formed as a result of the sweeping away of the soft rocks like clay and sand. concordant and discordant coastlines bbc bitesize over 1m. What is a concordant coastline? Emergent coastlines happen when either the water level has fallen or the land has risen. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Stacks, headlands, bays, cliffs and wave-cut platforms are all included. 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. . guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. Key Question: What are the different landforms of the Jurassic Coast? 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. The procedure for calculating concordant and discordant pairs compares the classifications for two variables (for example, X and Y) on the same two items. starter: Students examine the picture and discuss what is happening to the houses and why. 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 . A concordant coastline is an arrangement of rock strata along the coastline. Concordant coastlines tend to have fewer bays and headlands. Soft engineering: Beach nourishment is a type of soft approach. But, let's be honest, it's not brilliant. Figure 5: Lulworth Cove in Dorset, UK, map data: 2022 Google. Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. The relative resistance of rock types influences the degree of indentation of bays. How did the temperate deciduous woodland get like this? Discordant coastline . Sea forces change coastal landscapes with the wind being the major source of waves. Upload unlimited documents and save them online. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. 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. concordant coastlines. Start studying BBC Geography Bitesize: Coastal Processes. The concordant coastline runs from west to east along the south coast. Changing rates of rainforest deforestation. The United Nations uses coastlines to help determine international boundaries at sea. Be perfectly prepared on time with an individual plan. Share 5.1K views 2 years ago This video explains the difference between a concordant and discordant coastline, including the coastal landforms that occur along each and the geological. Using examples examine the differences between discordant and concordant coastlines (with diagrams) (8) Coasts - Grade Booster Using examples, examine the physical factors that can influence how fast a coastline can erode (8) Coasts - Grade Booster Examine how soft engineering could prevent coastal erosion. Time for Geography | Coasts Videos Discordant These are where rock strata or structures are aligned at an angle to the coastline. Both concordant and discordant. a headland separated by two bays. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. 4 - the process of forming Lulworth Cove, Dorset, UK. These processes are happening constantly and usually work in conjunction to produce coastal features. Select all that apply. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - A concordant coastline produced by the geological structure of folds parallel to the coast. They have a mainly circular orbit, a steep gradient. The Earth has around 620,000 kilometres (390,000 mi) of coastline. False! They have a. gradient, typically under . Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. The cove is located in a South West England County known as Dorset that is found along the English Channel. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. The Portland limestone is resistant to erosion; then to the north there is Swanage Bay where the rock type is a softer greensand. How can we increase the amount of food produced globally? Coastal Erosion. If you've been to the beach, you've been to a coastline! The rock types are typically of . CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. How has the vegetation in the temperate deciduous forest adapted to the climate? There are two special types of submerged coastlines: ria coasts and fjord coasts. What are the causes of deforestation in the Amazon? The processes have been operating over the last 8000 years. Create beautiful notes faster than ever before. GCSE Geography | Coastline Features Caused by Coastal Erosion Some concordant coasts have long, narrow islands running parallel to the coastline. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Many of these types of coastlines were actually formed toward the end of the Last Glacial Period (LGP). Hydraulic action, attrition, abrasion, and corrosion. A coastline is an area where land meets the water.
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