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 . It is where salts and acids within the seawater will gradually dissolve some types of rock found along the coast. Waves interact with land through three major marine processes: erosion, transportation, and deposition. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. The updated BBC Bitesize website has a great video on . Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Pinterest. (adsbygoogle = window.adsbygoogle || []).push({}); If you've found the resources on this page useful please consider making a secure donation via PayPal to support the development of the site. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. UK Sediment Cells Source: Scool. concordant and discordant coastlines bbc bitesize As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. 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. Hydraulic action, attrition, abrasion, and corrosion. concordant and discordant coastlines bbc bitesize This differential erosion creates headlands and bays along discordant coastlines. Geology. Coastlines also help us demarcate international boundaries. A concordant coastline is an arrangement of rock strata along the coastline. Adapted from BBC. . Shake Hands With Beef Girl, 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. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. A famous example of a coastline. A concordant coastline is an arrangement of rock strata along the coastline. What Is A Concordant Coastline? - WorldAtlas Why is there a trend towards agribusiness? Or in other words, these types of coastlines have the same type of rock all along its length. False! What is the location and importance of Mumbai? Erosion. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. A concordant coastline is where the same rock runs along the length of the coast. A concordant coastline has the same type of rock. Both concordant and discordant. The longer the fetch length and the faster the wind speed, the . She is cooler than I am and has a life instead of enough time to make this. These coves are formed by waves breaking through an outer layer of hard rock, such as limestone, and then, over time, the waves sweep away the soft rock further inland, like sand and clay, creating a cove. 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. Emergent coastlines can have features such as marine terraces, relict sea cliffs, sea stacks, and raised beaches. How do changes affect the balance of an ecosystem? Tip: To turn text into a link, highlight the text, then click on a page or file from the list above. Why is the Human Development Index important? In some cases it is estimated that there was a rise . Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. 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 Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. 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. Wave Refraction and Coastal Defences. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . How does geology affect the formation of river landforms? What is a concordant coastline? (For example the south or the Dorset coast) . Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. Large particles like boulders are pushed along the bottom of the river bed/sea by the force of the water. Coastlines of Emergence. Correct! As stated earlier, coves are formed out of concordant coastlines. This happened over about 1000 years, (very rapid) and submerged coastlines. 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. Set individual study goals and earn points reaching them. Soft engineering: Beach nourishment is a type of soft approach. concordant coastlines. The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. The site is self-funded and your support is really appreciated. coastlines. What is migration and why do people migrate? A concordant coastline occurs where the bands of differing rock types run parallel to the coast. They are most common where .. is short. Concordant and Discordant Coastlines by Leia Daniels - Prezi The outer hard provides a protective barrier to erosion of the softer rocks further inland. What are the physical characteristics of cold environments? Or built a sand castle next to the waves? It's a way of having all my information in one place. One of the topics looked at in GCSE Geography is the features that are found on a coastline. A chalk cliff face is at the back of the cove. gcsegeographyatheathfield: Coasts . Select all that apply. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. This continual process can weaken the joints and cracks in the cliff, causing pieces of rock to break off. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . Anak Krakatau & Sunda Strait Tsunami Indonesia Case Study 2018. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. 1. It has a variety of other micro-features and a unique geology. Headlands and bays can form on concordant coastlines too, as has happened . Over time, waves beating against the shore will wear it down (or erode it). What is the impact of humans on the temperate deciduous woodland? You need to do some work on landforms of coastal erosion. Waves move up and down there is no horizontal movement. A coastline is anywhere where the land meets the water. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. 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. how to change text duration on reels. Have you ever gone for a stroll on a beach? Fetch length along with the wind speed (or strength) determines the size of waves produced. Where are polar and tundra environments located? Bays and headlands are common features along discordant coastlines. 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). Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Headlands and bays Cliffs along the coastline do not erode at the same pace. What are the social and economic opportunities associated with the growth of Rio? Human actions and Physical factors affecting the Delta. Transportation is the movement of material from a coastline--such as sand and gravel--while deposition is the addition of material to a coastline. 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. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. Either way, there is now a (bit of) coastline that is no longer submerged under water. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. Coasts are shaped by the processes of erosion, transportation and deposition. They have low energy and an elliptical orbit. Paw Patrol Does Ryder Have A Crush On Katie, CAVES, ARCHES, STACKS AND STUMPS These are found on headlands where wave refraction means that erosion takes place on both sides of the headland. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. e.g. Discordant and Concordant Coastlines GCSE Geography A Level - YouTube discordant coastline diagram - Flix Houphout-Boigny Foundation for Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. What is the difference between a tornado and a hurricane? weathering. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Best study tips and tricks for your exams. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Shaping our coasts. Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. It has a variety of other micro-features and a unique geology. These Dalmatian types normally occur . Soluble materials dissolve in water and are carried along. This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. How does flooding affect humans and the environment? Concordant coastlines tend to have fewer bays . starter: Students examine the picture and discuss what is happening to the houses and why. This is called a discordant coastline. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . Waves drag in the shallow water approaching a headland so the wave becomes high, steep and short. Taking the low-water line along the coast (or, the baseline), UNCLAS put forth the following: Special exceptions apply to areas like straits, where ships can't help but pass through territorial waters. Try Dokkio Sidebar for free. Which type of underlying geology is most likely to be formed into straight cliffs? When the auto-complete results are available, use the up and down arrows to review and Enter to select. The processes have been operating over the last 8000 years. As a wave undercuts a cliff the cliff retreats. 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). 3. 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 . Soluble materials dissolve in water and are carried along. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. concordant and discordant coastlines bbc bitesize
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