Rocks outcrop at right angles to the sea, forming headlands and bays. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. Concordant and discordant coasts . Gradually the material is moved along the coastline, its . Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. 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. These form where deposition produces unconsolidated geological structures parallel to the coastline. Type # 1. Weathering and mass movement in river valleys. Key Question: What are the different landforms of the Jurassic Coast? Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. 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. - Headlands form along discordant coastlines in which bands of soft and hard rock outcrop at right angles to the coastline. Free and expert-verified textbook solutions. A concordant coastline comprises bands of different rock types that run parallel to the shore. South Dorset Coast 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 . Sustainable Management of the Tropical Rainforest, Sustainable Management of the Amazon Rainforest. Did you know? Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. The rock strata are almost vertical, and the bands of rock are quite narrow. 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. Coastlines of Emergence. Stop procrastinating with our study reminders. Beara Peninsula to the north formed from more resistant Devonian Old Red Sandstone and projects 35 km into the Atlantic Ocean. The water. 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. These act as agents of erosion because their backwashis greater than their swah. Awesome, well done! What are they? What is a concordant coastline? [5] The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. Concordant Coasts Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. starter: Students examine the picture and discuss what is happening to the houses and why. Concordant and discordant coastlines. This process happens over thousands of years. Geology. Coastal Geology. how to change text duration on reels. Their wavelength is long and a low frequency (8-10 waves per minute). Concordant coasts form where geological structure is such that different rock strata or folds are aligned parallel to the coastline. This differential erosion creates headlands and bays along discordant coastlines. For example, this could be a joint in chalk. 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 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. The cove is located in a South West England County known as Dorset that is found along the English Channel. Emergent Coastlines. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. What are the environmental impacts of economic development in Nigeria? They have a mainly circular orbit, a .. gradient. Okay, now we know what coastlines are. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. What are the physical characteristics of cold environments? Why are deserts located along the tropics? (For example the east of the Dorset coast) How Geology affects the coast . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. Identify the physical process that has shaped the pebble (1) Coasts - Grade Booster. Specification and other support materials for teachers, including delivery guides Explore. Create beautiful notes faster than ever before. Economic activities in glaciated upland areas, Glaciation Photo gallery Goat Fell, Isle of Arran. Soft engineering: Beach nourishment is a type of soft approach. In 1982, the United Nations held a Convention on the Law of the Sea (UNCLAS), where maritime (sea) boundaries were established. The significance of food, water and energy, An overview of global inequalities in the supply and consumption of resources, Carbon footprints, food miles and moves towards local sourcing of food. Terms of use / Privacy policy / GDPR, About this workspace It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. Soluble materials dissolve in water and are carried along. The high degree of indentation of Bantry Bay is not solely influenced by the relative resistance of rock types, but also the orientation of strata SW-NE means that they directly face high energy Atlantic waves driven by the prevailing SW wind. What is the highest point of a wave called? What is the location and importance of Rio de Janeiro? Insert links to other pages or uploaded files. There are rias throughout the world, including Poole Harbour in Dorset. False! If you continue to use this site we will assume that you are happy with it. They have low energy and an elliptical orbit. . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. The water. Jaden Agassi Mlb Draft 2021, Everything you need for your studies in one place. Select all that apply. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. This belongs to: _____. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . A concordant coastline diminated by limestone in the map has the same type of rock along its length. This creates a cove which is a circular area of water with a relatively narrow entrance way from the sea. One of the topics looked at in GCSE Geography is the features that are found on a coastline. Students will learn about the different types of erosion at the coast and will be able to explain how they create coastal landforms. Erosion Sea forces change coastal landscapes with the wind being the major source of waves. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. How far out to territorial waters extend from the coast (or baseline)? What is the difference between a tornado and a hurricane? Two Earthquakes Compared Nepal and LAquila, Lombok Indonesia Earthquake 2018 Case Study, 2018 Sulawesi Indonesia Earthquake and Tsunami Case Study. The discordant coastline runs from Studland Bay to Durlston Head as the geology changes from clay and sands, to chalk, to clay and . The more the waves crash onto the beach, the more sediment is washed out to sea. 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. A concordant coastline has the same type. Extended writing tasks 2 a half term. A concordant coastline has the same type of rock. 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. A concordant coastline has the same type of rock. South Dorset Coast 1. A hard rock type is resistant to erosion and creates a promontory whilst a softer rock type is easily eroded creating a bay. - Internet Geography What is a concordant coastline? It is only when the water enters shallower areas that the water itself moves forward. Economic losses to businesses if areas become unattractive and depopulated. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. 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. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. As these systems develop at sea, communities along coastlines are the most vulnerable to any potential destruction. Headlands and bays can form on concordant coastlines too, as has happened . On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. 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. 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. Label two landforms shown in the photograph (2) Coasts - Grade Booster. pg. The form of the coastline around Durdle Door is controlled by its geologyboth by the contrasting hardnesses of the rocks, and by the local patterns of faults and folds. Lulworth Cove is a classic example of a 'concordant coast' - i.e. Caves, Arches, Stacks and Sumps 3. What is the site and situation of a settlement? 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. Teacher. Have all your study materials in one place. Why is the weather of the UK so changeable? Bay and headland - Durdle Door, Dorset. How reliable are economic indicators of development? You need to do some work on landforms of coastal erosion. What is the impact of humans on the Taiga? Find this Pin and more on KS4 Changing Landscapes of the UK by Mr Haden. . Geology. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Consequently headlands . The results are deep, lengthy, thin inlets surrounded by high cliff faces. Soft rocks like mudstone and siltstone May 30, 2019 - Learn and revise about waves and the coastal zone with BBC Bitesize KS3 Geography. A coastline with the same type of rock along its length; fewer bays and headlands. A ria coast hosts multiple rias. Discordant These are where rock strata or structures are aligned at an angle to the coastline. What are the air masses that affect the UK? concordant and discordant coastlines bbc bitesize. Portland limestone erodes very slowly, retreating landwards by marine undercutting and collapse to form a straight W-E coastline. 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