Discordant and concordant coasts in Dorset. Let's take a look at some of the different types of coastlines and their role in our geopolitics and global climate. 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. Fig. Where are Temperate Deciduous Woodlands Located? Practice Questions: Slideshow 2773107 by chanel Adapted from BBC. A concordant coastline with resistant Portland Limestone forming a protective stratum parallel to the sea. Where are the areas of water deficit and surplus in the UK? Lulworth cove is a perfect horseshoe bay found on the south coast of England in the county of Dorset, on the Jurassic coastline. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. Concordant and discordant coastlines. This. 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. Or built a sand castle next to the waves? Human and physical factors causing river flooding. Fjords are created when glaciers cut through valleys and are submerged. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. How can the impacts of climate change be managed? Concordant coastlines tend to have fewer bays . Why Is Biodiversity Critical To Life On Earth? The northern part is Eocene clay (Barton Beds), including significant deposits of Purbeck Ball Clay. This is where waves approach the cliff; air may become trapped and compressed in joints and cracks along a cliff face. For example the Neman Haff behind the bar running from the Kaliningrad in Russia to the Lithuanian coast at the mouth of the river Neman. After the waves broke through, creating an opening, the softer clay after the limestone started to erode away as well, creating a cove (figure 4). There are different bands of rock that have shaped this discordant coastline, namely: Fig. What are the air masses that affect the UK? 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. GCSE 9-1 Coasts: Erosional Landforms Bundle. 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 is an arrangement of rock strata along the coastline. Adapted from BBC. A bedding plane is the interface between two sedimentary strata. Concordant and discordant coastlines. Examples of discordant coastlines are Bantry Bay and Dingle Bay found in Ireland while an example of a concordant coastline is Lulworth Cove. 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. Bays and headlands are common features along discordant coastlines. The part of the wave in the deeper water moves forward faster causing the wave to bend. As the wave breaks, it carries material up the beach in its swash. Where do volcanoes and earthquakes happen? Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. They are gentle, flat waves with a strong swash and a weak backwash; as a result, constructive waves build beaches. geography revision coastal landforms 264.4K views Discover short videos related to geography revision coastal landforms on TikTok. UNCLAS implemented a universal system for maritime boundaries based on baselines, which are measured from the low-water line at the coast. Caves, Arches, Stacks and Sumps 3. The latter can happen when tectonic forces lowered the land level or when river deposits and compaction of alluvial (river) sediments occur. Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. Why are deserts located along the tropics? Case studies Dorset Jurassic coast and Holderness. Coasts can be classified in a variety of . These bands of rocks alternate between soft rock and hard rock, all eroding at different rates and in varying ways. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Secondly, erosion of concordant coastlines results in the formation of coves while the erosion of discordant coastlines results in headlands and bays. Concordant coastline Uncordant coastline Variable coastline 8. These act as agents of erosion because their backwashis greater than their swah. Less resistant Purbeck limestone and Wealden Clay lie behind the Portland, with resistant chalk further north. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. In 2001 it was inscribed as a World Heritage Site by UNESCO for the outstanding universal value of its rocks, fossils and landforms. pg. What problems are caused by global warming? The relatively gentle profile of the beach with a steep ridge at the top of the beach means that the backwash soaks into the sand or slowly drains away. They are more common in winterthan in the summer. When the auto-complete results are available, use the up and down arrows to review and Enter to select. 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. In Cork in the south west of the Republic of Ireland, Formed from less resistant Carboniferous Limestone. Where the rock outcrops run parallel to the sea. 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 . of the users don't pass the Coastlines quiz! 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 low-energy wave spills into the bays as . 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 discordant coastline occurs where bands of different rock type run perpendicular to the coast. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (AQA). Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. It is used in geography and meteorology and is usually associated with coastal erosion.It plays a large part in longshore drift as well. 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 . Test your knowledge with gamified quizzes. Approximately 40% of all people live within 100km of a coastline. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. 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. Either way, there is now a (bit of) coastline that is no longer submerged under water. This belongs to: _____. How have animals adapted to cold environments? Bays and headlands are common features along discordant coastlines. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. The site is self-funded and your support is really appreciated. Its 100% free. Bands of soft rock such as clay and sand are weaker therefore can be eroded quickly. Fetch length along with the wind speed (or strength) determines the size of waves produced. What percent of the global population lives within 100km of a coastline? As the wave approaches the coast, it gains height and drops onto a steep beach. B Gradually the . Geology. Create beautiful notes faster than ever before. Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Emergent coastlines happen when either the water level has fallen or the land has risen. If you've been to the beach, you've probably seen some of them: mangrove trees and hermit crabs, penguins and sea oats- organisms that can neither fully survive way out at sea, nor venture too far inland. The coastal engineering for the shoreline protection involves: . Concordant. Use the resources provided to write notes that Wave Refraction and Coastal Defences. Safe access points to the shoreline at several points around the edge. Long offshore islands and coastal inlets are running parallel to the coastline. The processes have been operating over the last 8000 years. Risks facing the Delta. That is, if both the row and column index move in the same direction - both increase or both decrease, then the pair is concordant. Watch popular content from the following creators: ambs(@aambersaunders), Revision(@lastminstudies), - (@alevelhelp.32), GCSE revision 2022(@revision.2022), BBC Bitesize(@bbcbitesize), Revision(@lastminstudies), Revision . What is the impact of humans on the Taiga? The following are facts about destructive waves. A discordant coastline occurs where bands of different rock type run perpendicular to the coast. Over time the sea can wash away an entire coastline, forcing back human uses of that land (such as settlements or farms) and letting the sea . The rock strata are almost vertical, and the bands of rock are quite narrow. Discordant coastlines are characterised by different bands of rocks running perpendicular to the coast. This is considered sovereign national territory, the same as boundaries on land. Distribution of earthquakes and volcanoes, Effects of earthquakes and volcanoes on people and the environment, Reducing the impacts of earthquakes and volcanoes, Population and settlement iGCSE Geography, The main causes of a change in population size, A country with a rate of high population growth China, A country which is over-populated Bangladesh, A country which is under-populated Australia, A country with a low rate of population growth or decline Japan. The three marine processes that shape the coastline are erosion, transportation, and deposition. Coastal Geology. concordant coastlines. Hydraulic action, attrition, abrasion, and corrosion. Wrong! Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Practice Questions: Slideshow 2773107 by chanel coastlines. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - They have a low gradient, typically under one meter in height. What are the effects of economic development in Nigeria on quality of life? Earn points, unlock badges and level up while studying. The warmer climate that followed melted much of the ice. The coastline determines everything. Both concordant and discordant. What is the distance between trough and crest called? Concordant coastlines tend to have fewer bays and headlands. Paired spits formed parallel to the coast with haff lagoon behind at the mouth of the River Vistula in Gdansk. True or False: Concordant coastlines form coves. Fun Fact: Lulworth Cove is a World Heritage Site and attracts approximately 500,000 visitors a year. Coasts Revision Booklet. As mentioned earlier, discordant coastlines form headlands and bays; on the other hand, concordant coastlines form coves. What is the impact of humans on the temperate deciduous woodland? A concordant coastline produced by the geological structure of folds parallel to the coast. Because the soft rock is exposed, it is eroded faster than the hard rock. While discordant coastlines have bands of different rock types running perpendicular to the coast, concordant coastlines have bands of similar rock types running parallel (alongside) to the coast. They have a. gradient, typically under . Create the most beautiful study materials using our templates. Learn about and revise coastal landforms, whether caused by erosion or deposition, with GCSE Bitesize Geography (OCR).