concordant and discordant coastlines bbc bitesize

The coastal engineering for the shoreline protection involves: . This happened over about 1000 years, (very rapid) and submerged coastlines. How have animals adapted to the rainforest environment? 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. The Earth has around 620,000 kilometres (390,000 mi) of coastline. More resistant strata erode only slowly, and are left projecting into the sea as headlands. Practice Questions: Slideshow 2773107 by chanel coastlines. The concordant coast may take one of two landform types. These waves are also known as plunging waves. Economic losses to businesses if areas become unattractive and depopulated. A coastline is anywhere where the land meets the water. 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 . Many of the major cities built directly along coastlines, such as New York City and Tokyo, will be forced to develop solutions that counter rising sea levels or else abandon waterfront infrastructures and construct further inland. The concordant coastline runs from west to east along the south coast. 4 - the process of forming Lulworth Cove, Dorset, UK. On a discordant coastline, alternating layers of hard and soft rock are perpendicular to the coast. Coastlines, where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant coastlines. In accordance with UNCLAS, territorial waters extend 12 nautical miles from the baseline. As erosion processes take place, the clay erodes away quicker than the. Geology. Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. Wave Refraction and Coastal Defences. 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. 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. Ripples are created; these ripples will become waves if the wind is sustained. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. Sometimes the outer hard rock is punctured allowing the sea to erode the softer rocks behind. What challenges are associated with the growth of Rio? discordant coastline diagram. As the wave breaks, it carries material up the beach in its swash. In addition, as waves approach a coast, they are refracted so that their energy is concentrated around headlands but reduced around bays. 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. Created up folded ridges (anticlines) and down folded valleys (synclines) aligned parallel to the coast. Paymaya Annual Report, Over 10 million students from across the world are already learning smarter. Coasts Revision Booklet. Originally a band of resistant Portland . A concordant coastline produced by the geological structure of folds parallel to the coast. Waves in the middle of the bay, where the water is deeper, do not lose velocity as . 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. A ria coast hosts multiple rias. The gradual breakdown of rocks due to . [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Erosion. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. Jamaica Case Study, How can the growth of tourism reduce the development gap? Coastlines also help us demarcate international boundaries. The rise in sea level can be the result of an increase in water volume or the sinking of the land's surface. It has a discordant coastline along the east and concordant coastline along the south. Long offshore islands and coastal inlets are running parallel to the coastline. Coasts are shaped by the processes of erosion, transportation and deposition. Why is the weather of the UK so changeable? 2. A concordant coastline comprises bands of different rock types that run parallel to the shore. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. What is the structure of the tropical rainforest? They are, for the time being, out of reach of the current wave action and will therefore not be affected by them. Coastlines are very important to people because they have many uses, but mankind is also placing coastlines under severe threat. Why are deserts located along the tropics? Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? When the auto-complete results are available, use the up and down arrows to review and Enter to select. $14 million dollar house maine; It has the unenviable reputation as the number one place in Europe for coastal erosion, and in a stormy year waves from the North sea can remove between 7 and 10m of coastline. (For example the south or the Dorset coast) . (bands) of hard rock and soft rock; many bays and headlands. The results are deep, lengthy, thin inlets surrounded by high cliff faces. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. The following are facts about destructive waves. This means that these waves transport beach material back into the sea, lowering the height of a beach. They have a mainly circular orbit, a .. gradient. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. Case studies Dorset Jurassic coast and Holderness. Aqa. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. How did the temperate deciduous woodland get like this? Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . If the coastline is concordant then the coastline will have the same type of rock all the way down the coastline, because the ropck is running parallel to the coastline. Touch device users . However, when the hard rocks punctured by either faults or ridges, inland soft rocks yield to erosion. Concordant Coasts . The coast is the border between the land and the sea. 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. 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. The low-energy wave spills into the bays as . Great Ocean Road, Australia. Set individual study goals and earn points reaching them. 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 . The angle these bands make with the coastline makes it either a concordant or discordant coastline. pg. caused by the shrinkage of igneous rock as it cools. What problems are caused by global warming? Concordant coastline Uncordant coastline Variable coastline 8. The Earth has around 620,000 kilometres (390,000 mi) of coastline. 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. Additionally, hotter temperatures enable extreme weather events like hurricanes to occur more frequently. The sediment acts as a tool on the cliff, chiselling away at the surface and gradually wearing it down by removing small particles. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. 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. They have low energy and an elliptical orbit. The length of perimeter approx 2km. Because the waves are so frequent, the backwash has less time to soak into the sand. The concordant coastline runs from west to east along the south coast. What does scenery formed by erosion look like? A concordant coastline is where the same rock runs along the length of the coast. Even London is built along the River Thames, which flows into the North Sea. These Dalmatian types normally occur . Humans, too, could almost be classified as a coastal species! 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, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email a link to a friend (Opens in new window), Click to share on WhatsApp (Opens in new window), Internet Geography Plus Terms and Conditions. What is the highest point of a wave called? A concordant coastline produced by the geological structure of folds parallel to the coast. Soluble materials dissolve in water and are carried along. (For example the south or the Dorset coast) . How have plants adapted to cold environments? Erosion worsens as the waves becomes stronger. Extreme weather in the UK Beast from the East, Extreme Weather in the UK Summer Heatwave 2018. The LGP encompasses the period of c. 115,000 to c. 11,700 years ago. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . Within geography, the definition of a coastline is the area where land meets water. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Published by at February 16, 2022. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. These will be exam question style ranging from 4, 6 and 9 mark . These are found in Haffs, also known as lagoons, on the Baltic Sea's southern shores. 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 . Concordant. These act as agents of erosion because their backwashis greater than their swah. B Gradually the . Aqa. The warmer climate that followed melted much of the ice. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. Sign up to highlight and take notes. 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. How is demand for energy changing in the UK? What percent of the global population lives within 100km of a coastline? What are the effects of economic development in Nigeria on quality of life? However, overall, access to a coastline can grant a country food supplies and economic resources that land-locked countries cannot acquire without trade. In some cases it is estimated that there was a rise . The three marine processes that shape the coastline are erosion, transportation, and deposition. The differing resistance to erosion leads to the formation of headlands and bays. Discordant coasts have a crenellated pattern of projecting headlands and indented bays. More resistant Jurassic Portland Limestone forms the Peveril Point headland to the south, projecting out by 1 km. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. 1. A concordant coastline is an arrangement of rock strata along the coastline. Did you know? Discordant coastline . The bands of soft rock, such as sand . What is a discordant coastline? Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. The image below shows the narrow opening created in the limestone and the cove that formed afterwards. Waves interact with land through three major marine processes: erosion, transportation, and deposition. 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. A famous example of a coastline. Okay, now we know what coastlines are. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. Discordant These are where rock strata or structures are aligned at an angle to the coastline. Risks facing the Delta. What are the different types of weathering? The Jurassic Coast is a world-renowned site where you can find geological (natural) features, and different types of fossils, such as dinosaurs and a fossil forest. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. 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). Numerous plants and animals have adapted to live along coastlines. The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Caves, Arches, Stacks and Sumps 3. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Irrespective of whether the coastline is concordant or discordant, as wave refraction takes place around the headlands and erosion of the bay is reduced, sub-aerial weathering such as corrosion and corrasion begins to . This quiz focusses in particular on those features which are caused by coastal erosion. Not surprisingly, destructive waves destroy beaches. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . Both concordant and discordant. If the direction of the classification is not the same . By registering you get free access to our website and app (available on desktop AND mobile) which will help you to super-charge your learning process. 8. What is the structure of the Temperate Deciduous Woodland? This belongs to: _____. Deformation is the degree of tilting of folding ofrock. Their wavelength is .and a.. frequency (8-10 waves per minute). . As a wave undercuts a cliff the cliff retreats. Headlands and Bays 2. Human and physical factors causing river flooding. . Concordant Coasts . They are more common in winterthan in the summer. Fig. As it does so continually, the hard rocks resist erosion resulting in the protection of the soft rocks. Landscapes. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. How does food insecurity affect the environment? concordant coastlines. You need to do some work on landforms of coastal erosion. What is the impact of humans on the Taiga? A concordant coastline is where the same rock runs along the length of the coast. What are the differences in global calorie intake and food supply? Selenium Deficiency In Baby Goats, Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. A concordant coastline. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. It has a variety of other micro-features and a unique geology. How have animals adapted to cold environments? 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. . Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. 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. . Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. 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. Bands of soft rock such as clay and sand are weaker therefore they can be eroded quickly. How reliable are economic indicators of development? She is cooler than I am and has a life instead of enough time to make this. What is the Demographic Transition Model? Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. Reasons for Protecting Dawlish Warren: 1. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Concordant. Full lesson covering the different types of erosion and geology along the coast. As we mentioned earlier, this tends to shift the coastline further inland. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Lulworth Cove has occurred on a concordant coastline. These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. 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. Strata are different layers (or beds) of rock. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. 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 hard rock acts as a protective barrier to the softer rock behind it preventing erosion. Specifically looking at the differences between concordant and discordant coastlines. The UK's coastline is 31,368 km long (if you include all the main islands). This is important in delineating who has legal, economic, and military jurisdiction in areas along the coast. What is Nigerias location and importance? If the direction of classifications is the same, the pairs are concordant. Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. The Jurassic Coast is a hugely diverse and beautiful landscape underpinned by incredible geology of global importance. How has rainforest vegetation adapted to the climate? Faulting is the fracturing of rock with movement from its original position. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - 3.1B Transport Technology and Globalisation, 3.2 Political and Economic Decision Making, 7C Economic Development and Environmental Impact, 8B Controlling the Spread of Globlisation, 4A.1B Economic Activity and Social Factors, 4A.1A Changing Function and Characteristics, 4A.6 Evaluating the need for Regeneration, 6C Representation and Need for Regeneration, 10A Measuring the Success of Regeneration, 12A Restructuring and Contested Decisions, 7.5 Superpowers and International Decision Making, 7.6 Superpowers and the Physical Environment, 7.6C Middle-Class Consumption on Emerging Powers, 7.8A Emerging Powers and the Developing World, 8.2 Variations in Health and Life Expectancy, 8.3A The relationship between economic and social development, 8.5A Human Rights Vs Economic Development, 8.8 the Positive and Negative of Development, 2B.2C Geological Structure and Cliff Profiles, 2B.3B Rock Strata and Complex Cliff Profiles, 4C Coastal Landscapes Produced by Erosion, 8C Temporal Variations in Coastal Recession, 9A Local Factors that Increase Coastal Flood Risk, A - Economic and Social Losses from Recession, 2B: 12 Integrated Coastal Zone Management, 1B Importance and Size of Stores and Fluxes, 5.4 Deficits within the Hydrological Cycle, 5.8 Consequences and Risks of Water Insecurity, 8A - Causes and Pattern of Physical and Economic Scarcity, 5.9C Integrated Drainage Basin Management, 6.1C - Geological Processes Releasing Carbon, 6.2 Biological Processes Sequestering Carbon, 6.3 Human Activity Altering the Carbon Cycle, 6.6C Radical Technologies to Reduce Carbon Emissions, 6.7 Human Activity Threatening the Carbon and Water Cycles. How is a cold environment interdependent? Describe the characteristics of destructive waves (3) Coasts - Grade Booster. Specification and other support materials for teachers, including delivery guides Explore. discordant coastlines. When the auto-complete results are available, use the up and down arrows to review and Enter to select. guildford school of acting auditions; gilroy google font alternative; cuisinart steamer insert; Blog Post Title February 26, 2018. Spits were formed in river mouths where the river was powerful enough to break through the sand ridge to the sea. Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). This results in the formation of headlands and bays. Will you pass the quiz? Start studying BBC Geography Bitesize: Coastal Processes. The shape of the cove is the result of wave diffraction. 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. The three major coastal processes include erosion, transportation and deposition. Discordant. How has the vegetation in the temperate deciduous forest adapted to the climate? Economic opportunities and challenges in Lagos. Lulworth Cove is a classic example of a 'concordant coast' - i.e. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . These form where deposition produces unconsolidated geological structures parallel to the coastline. The three major coastal processes include erosion, transportation and deposition. Rock strata that are less resistant (due to the rock unit's lithology and structure) erode rapidly to form indented bays. in height. The Dorset Coast, located to the south of England on the English Channel, runs from Lymme Regis in the west, past Old Harry Rocks in Purbeck to Highcliffe in the east. One of the topics looked at in GCSE Geography is the features that are found on a coastline. How far out to territorial waters extend from the coast (or baseline)? It's a way of having all my information in one place. Where the rock outcrops run parallel to the sea. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. weathering. Their wavelength is long and a low frequency (8-10 waves per minute). The process of erosion can create different landforms along the coastline. Links to wider reading and an introductory video. B Gradually the . These act as agents of erosion because their . Terms of use / Privacy policy / GDPR, About this workspace False! A bedding plane is the interface between two sedimentary strata. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. 1. This area of the Jurassic coastline provides a habitat for a diverse range of natural life, particularly butterflies. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. They are most common where .. is short. A coastline with the same type of rock along its length; fewer bays and headlands . Lulworth Cove is a World Heritage site and part of the Heritage Coastline. Insert links to other pages or uploaded files. What are Mumbais social and economic opportunities? docx, 24.88 KB. Limited law enforcement jurisdiction to prevent crimes related to customs or trafficking. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. discordant coastlines. Bays and headlands are common features along discordant coastlines. Sheep's Head Peninsula to the south formed from more resistant coarse sandstone, projects out 21 km. 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. 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. Then when the wave retreats, the compressed air expands again. Long spits of sands run parallel to the low coast, enclosing the coast.

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