L4 meanders & ox bow lakes ap
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This document discusses landform features created by erosion and deposition along rivers. It describes how meanders form through the lateral erosion of river banks as the river swings in large bends. Over time, meanders can be cut off from the main river channel through flooding and erosion, forming oxbow lakes. Diagrams and labels are provided to illustrate meander formation and the development of oxbow lakes.
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Rivers form distinctive landforms through erosion and deposition. In the upper course, valleys and gorges form through erosion in hard rocks. Waterfalls occur where rivers flow over bands of hard and soft rocks. In the middle course, meanders form through lateral erosion and deposition. In the lower course, floodplains and deltas form through deposition as the river speed decreases.
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The document describes various landforms and processes associated with river systems. It discusses how rivers form V-shaped valleys through vertical erosion in their upper courses. It then describes how meanders form through lateral erosion, and how this can lead to ox-bow lakes and floodplains. Finally, it discusses depositional landforms like levees, deltas, and braided channels that form in the lower courses of rivers.
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The document discusses various river landforms and the geomorphic processes that form them. It describes landforms in the upper, middle, and lower course of a river's journey from source to mouth, including interlocking spurs, potholes, waterfalls, meanders, ox-bow lakes, levees, and deltas. It explains the erosion and depositional processes of abrasion, hydraulic action, attrition, solution, suspension, saltation, and traction that shape the river channel and valley over time.
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2) River landforms that are formed in the upper, middle, and lower courses like meanders, floodplains, and deltas.
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The river profile changes as it flows from its source to its mouth. Near the source in upland areas, the river flows steeply over uneven surfaces with waterfalls and rapids, eroding vertically and creating narrow, shallow channels. As the river gains more water further downstream, it erodes laterally, making its channel wider and smoother. The increased volume of water allows it to flow more efficiently with less turbulence and friction.
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1) Rivers display different characteristics in their upper, middle, and lower courses. The upper course has a V-shaped valley and vertical erosion, forming waterfalls and gorges. The middle course has a wider valley and more lateral erosion forming meanders. The lower course has an even wider floodplain and well-developed meanders forming ox-bow lakes.
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Tvc fluvial processes
Here are some suggestions for how to represent the river processes visually using diagrams:
Solution - Draw water droplets with dissolved minerals
Suspension - Draw particles floating in the water current
Saltation - Draw particles bouncing along the river bed
Traction - Draw larger particles being rolled along the river bed
You could also draw:
Erosion - Show particles being scraped from the river bed/banks
Transportation - Arrows showing movement of particles downstream
Deposition - Build up of particles settling out of the water
Landforms - Simple sketches of meanders, ox-bow lakes, deltas etc.
Let me know if any of these ideas are helpful or if you need any other suggestions!
Work's of river, winds, seas and their Engineering Importance
The document summarizes key concepts regarding rivers, wind, and seas and their engineering importance. It describes rivers' erosion, transportation, and deposition functions according to Playfair's Law. It discusses the juvenile, mature, and old stages of river development. It also explains wind erosion through deflation and abrasion and deposition of sediments like sand dunes and loess. Finally, it briefly discusses seas and oceans and the formation of shorelines.
River Changes And Landforms
The document provides information about river characteristics and landforms. It describes key features of drainage basins such as tributaries, watersheds and confluences. It explains the changes that occur along a river's long profile from upper to middle to lower course, including differences in gradient, erosion processes and landforms. Specific features of the upper course like interlocking spurs and waterfalls are also outlined. The formation of meanders and oxbow lakes in the middle course through erosion and deposition is detailed.
Geological action of river
The document discusses the geological action of rivers and their role in shaping landscapes. It describes how river systems erode, transport, and deposit sediment through various processes like meandering, delta formation, and flooding. Key landforms created by rivers include valleys, floodplains, terraces, and alluvial fans. The document also explains how urbanization has impacted river flow and sediment transport.
Rivers Revision
The document provides information about river processes and landforms, including a case study of the River Tees in England. It discusses the different features formed by erosion and deposition in the upper, middle, and lower courses of the river. These include waterfalls, meanders, ox-bow lakes, levees, and deltas. It also describes human interactions with rivers, including river management through strategies such as dredging, flood prevention schemes, and the use of dams and reservoirs. The case study of the River Tees illustrates these concepts and shows how the river has been developed for industry, housing, and ports in its lower course.
SDME revision pack 2016
The document provides information about rivers and coasts for a GCSE Geography revision pack. It includes key terms, landforms, and processes related to rivers and coasts, as well as case studies on river and coastal management. Resources for further study are also listed.
Lesson plan 13 running water
This document discusses various landforms created by rivers, including V-shaped valleys, canyons, waterfalls, flood plains, meanders, ox-bow lakes, and deltas. It provides definitions and examples of each landform. Experiments are suggested to observe water flow and erosion. Jog Falls in Karnataka is provided as an example of the largest waterfall in India. The document concludes with review questions about jog falls and ox-bow lakes, as well as a suggestion for a follow up activity to create a picture album of river landforms.
River land forms
Rivers form distinctive landforms through the processes of erosion, transportation, and deposition. Potholes are formed by turbulent water swirling pebbles in a depression, enlarging it over time through abrasion. Rapids occur where bands of hard rock protrude in a river, causing turbulence and mini waterfalls. Waterfalls are formed where a river spills over a sudden change in gradient, undercutting and eroding rocks.
8. spits and bars
Spits and bars are depositional coastal landforms formed by processes such as longshore drift. A spit is a depositional landform that extends from the shore out to sea, often curved in shape due to opposing winds and currents. A bar occurs where a spit grows across a bay, enclosing the bay to form a lagoon, or forms offshore due to breaking waves. Longshore drift transports sediment along the coast and causes deposition of material in certain areas, gradually building up spits and bars.
Fluvial/River Processes
Here are the key points about how isostatic changes have impacted the Irish landscape:
- Isostatic changes refer to vertical movements of the Earth's crust due to adjustments in land masses following the melting of ice sheets during glacial periods.
- During the last ice age, much of Ireland was depressed under thick ice sheets, weighing the land surface down. As the ice melted about 10,000 years ago, the land began to rise again in a process known as isostatic rebound.
- This caused rivers to be elevated above their original base levels. Many rivers underwent rejuvenation as they cut downwards, forming features like waterfalls, incised meanders and terraces along their courses as they
Erosion
The document discusses different types of erosion caused by various agents. It describes how running water, wind, and glaciers each produce distinctive erosion features. It also explains the different ways sediments are transported by streams, including in solution, suspension, and being rolled along the stream bed. Glacial erosion leaves behind unsorted sediments and landforms like U-shaped valleys, striations, and kettle lakes.
Similar to L4 meanders & ox bow lakes ap (20)
Work's of river, winds, seas and their Engineering Importance
Work's of river, winds, seas and their Engineering Importance
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L2 2015 location of bio and hotspots
Biodiversity hotspots are areas with high levels of endemic species that are under threat. They cover only 1.4% of the Earth's land but contain over 40% of plant species and 35% of animal species. Most hotspots are located in the tropics where optimal conditions exist for growth and diversity. While hotspots have helped protect threatened biodiversity, they leave many ecosystems uncovered and do not address threats facing areas outside their criteria.
L1 ap 2014 defining bio
The document provides information about Edexcel Geography Unit 3: Contested Planet. It discusses the six topics covered in the unit, including how they are linked and the suggested order to teach them. It also provides details about the exam structure, including the format and content of sections A and B. Additionally, it defines key terms related to biodiversity such as ecosystems, biomes, genetic diversity, species diversity, and ecosystem diversity. Finally, it discusses the importance of biodiversity and highlights biodiversity hotspots as areas of very high biodiversity values.
L3 k learn spaces 2014 value of ecosystems
This document discusses how to value ecosystems by examining the economic, cultural, and environmental value they provide. It provides examples of ecosystem services - the benefits ecosystems provide to people - which are broken into supporting, regulating, cultural, and provisioning services. These services have a large impact on human well-being. The document then analyzes two case studies: the Daintree Rainforest in Australia and coral reefs. For the Daintree, it highlights the ecosystem services of carbon sequestration, providing medicine, tourism, cultural value for indigenous people, and its history of logging. For coral reefs, it prompts examining their value through videos and a textbook section.
L6 ap 2014 dangers of mountain env
Mountain environments pose several dangers including cold temperatures, steep terrain, avalanches, and severe weather. Despite these risks, many people are drawn to mountains for recreation like skiing and tourism which provides economic benefits but also puts more lives at risk. When visiting mountains, it is important to be aware of potential hazards from the environment and weather and take proper precautions for protection and survival.
L4 avalanches ap
An avalanche is a rapid flow of snow down a steep mountain slope. Avalanches are typically triggered by heavy snowfall, strong winds, or human activity such as skiing or climbing. When triggered, an avalanche can move at speeds up to 200 km/h, destroying everything in its path. Avalanches pose serious dangers to those caught in their path who may be killed or injured by the force of the moving snow.
L1. introduction to mountain environments ap
This document provides information about mountain environments and includes several learning activities. It begins with an introduction to the key characteristics of mountain environments and includes a virtual field trip. Students are then assigned a mini research project on a particular mountain. The rest of the document outlines several challenge activities for students to complete, including identifying mountain ranges on a map, learning fun facts about mountains, watching a video to describe feelings, and reading an extract about being stranded on a mountain. The overall purpose is to broaden students' knowledge of mountain environments through various learning exercises.
Glacier and corrie formation ap
Glaciers form through the accumulation of snow in mountainous areas. When snow falls during winter and does not melt during cold spring and summer months, it compacts into dense ice over many years under its own weight. Additional layers of snow become compressed into ice, which causes the air to be squeezed out, turning the glacier a blue color. The large mass of ice then flows down the mountain under its own weight, eroding the landscape through two main processes - plucking and abrasion. Plucking involves rocks becoming frozen to the base of the glacier and breaking away as it moves. Abrasion occurs as rocks and debris carried on the glacier's bottom scrape along the valley floor, slowly excavating and shaping the land over
Mountain building
Fold mountains are formed over millions of years when two tectonic plates collide and push material upwards, creating mountain ranges. The largest fold mountains include the Himalayas, Alps, Andes, Rockies, and Urals. Fold mountains are formed through the upward and downward folding of crustal material. Once formed, mountains undergo weathering and erosion that slowly shape the landscape over time.
L2 growth of brighton ap
Brighton has a long history as a popular seaside resort town on the southern coast of England. It was first mentioned in the Doomsday Book in 1086 and saw growth as a fishing and port town in the 16th-17th centuries. In the 18th century, doctors began promoting the health benefits of sea bathing, attracting more visitors. Major growth occurred in the 19th century with the construction of the Brighton Pavilions by the Prince of Wales in 1787 and the arrival of the London to Brighton Railway in 1841, opening the town to day trippers. The development of tourism infrastructure like the two piers further increased visitor numbers. Today, tourism remains a vital part of Brighton's economy.
L4 multiculturism in brighton
Globalization has caused increased migration and a multicultural Britain. It refers to how people and companies are becoming more connected globally through improved transportation like airplanes and container ships. This has made it easier for people to move between countries for work or a better life. As a result, Britain has seen large numbers of migrants come from countries like India, Pakistan, Poland and Ireland, changing the cultural makeup of the country. This has resulted in both positive and negative effects of an increasingly multicultural society in Britain.
L3 rebranding 2014
This document discusses rebranding of places and provides examples. It defines rebranding as redeveloping and marketing a place to give it a new identity to attract new investors and visitors. Examples discussed include Miley Cyrus rebranding herself, and the recent rebranding of Kingston Market. Students are asked to consider why places like towns or seaside resorts may want to rebrand. The document also discusses the proposed rebranding of the West Pier area in Brighton and having students design a questionnaire to collect public opinions on the rebranding.
Food lesson 2 ap
- There are two main types of farming: arable farming, which involves growing crops, and pastoral farming, which involves rearing animals. Some farms practice mixed farming with both crops and livestock.
- Arable farming is more common in southeast England where the land is flat, fertile, and has a warm climate and good transportation. Pastoral farming is found more in southwest England where the climate is warm and wet, even if the land is hilly.
- Organic farming avoids artificial fertilizers and pesticides and uses crop rotation to maintain soil fertility.
Diversification
Farm diversification is when farmers grow multiple crops and agricultural products on their land rather than specializing in one main crop. Traditionally, farms focused on a single product like dairy or livestock but now many farms are diversifying their offerings in response to changing market prices. Diversification allows farms to continue making money by providing a variety of agricultural goods and experiences to attract visitors.
L3 food miles
Food miles refer to the distance food travels from field to plate. Longer food miles contribute significantly to carbon dioxide emissions that cause climate change. The document discusses how most fruit and vegetables in the UK are now imported, having doubled since the 1990s, and imports are predicted to continue rising. It identifies several causes for this increase in food imports and miles, including lower costs, consumer demand for out-of-season foods, some foods not being able to be grown in the UK, supermarket desires for higher profits, and improved transportation technology. Potential positive and negative impacts of increased food miles are also mentioned.
Year 9 rf revision 2015
To revise key topics in geography including physical landscapes, glaciation, population, development, and tourism. The document provides revision materials such as diagrams, videos, exercises, and practice questions to help students review these concepts in preparation for an assessment. Interactive activities include matching processes of glaciation to their order, identifying features in photographs, and playing geography taboo to review terms related to development. The goal is to strengthen students' understanding of these interrelated topics through multi-modal learning and self-testing activities.
L6 tsunami ap
This document provides information about tsunamis, including what causes them, how they occur, and details about the devastating 2004 Indian Ocean tsunami. It aims to teach students about tsunamis through defining key terms, having students watch explanatory videos, modeling a hypothetical tsunami using play dough to demonstrate the wave's destructive power, and role playing a television news script about the 2004 event.
L7 hazard research ap
This document discusses natural hazards and provides information and assignments about them. It defines a natural hazard as an extreme weather event that occurs naturally. Some examples of natural hazards mentioned are tornados, flooding, avalanches, earthquakes, and hurricanes. Students are assigned a project to research a natural hazard of their choice, with success criteria including describing what causes it, its effects on people, how humans respond to it, where it is found, and including an example, maps, photos and diagrams in their project.
Revision presentation 2015pptx blog
This document provides a summary of content for a Year 8 geography exam revision. It includes the following key points:
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- Europe section covers identity, migration push/pull factors, and a quiz on the content.
- Plate tectonics section explains how the earth's crust is divided and how plates move, with examples of constructive, destructive, and conservative plate boundaries. It also discusses tsunamis and a case study.
- Hazards section provides guidance on a research project about a natural hazard, its causes, effects, responses, locations, and an example.
L5 planning questions
The document discusses anagrams and their corresponding words, including "assess", "discuss", "causes", "evaluate", and "consequences". It then provides potential essay questions about the causes and patterns of food insecurity around the world, asking the reader to discuss whether food insecurity has one primary cause or results from various local and regional factors. A model methodology and framework are mentioned but not described.
L6 planning questions
This document provides guidance on answering questions about data stimuli effectively:
- It warns students to avoid mixing up causes and consequences in their answers.
- It advises brushing up interpretation skills like considering all parts of maps, graphs, data tables and diagrams instead of just one area.
- It explains what makes a good data stimulus answer - correctly interpreting the question, focusing on the specific task like impacts rather than just describing changes, and using evidence from the stimulus instead of just the stimulus.
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Programming Foundation Models with DSPy - Meetup Slides
Your One-Stop Shop for Python Success: Top 10 US Python Development Providers
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L4 meanders & ox bow lakes ap
- 1. Wordsearch!
- 2. Landform Features of a River Resulting from erosion and deposition … continued
- 3. 2. Features from erosion and deposition: Meanders and Oxbow Lakes • Video here
- 4. • Meander on a map
- 5. Water is pushed to the outer bend . This reduces friction with the bed and banks. So the river has more energy for transporting material which can erode the outside bank via abrasion. Meanders As the course of a river approaches its middle stages it flows over flatter land. Lateral erosion dominates as the river swings in large bends known as meanders. Meanders constantly change their shape and position.
- 6. RIVER CLIFF SLIP OFF SLOPE
- 10. Meander in 3D
- 12. 1 2 3 4 5 6 7 8 Meander Cross Section Copy out the diagram below and fill in the correct words next to the numbers.
- 13. Oxbow lakes
- 14. Ox bow lakes
- 18. Video here
- 19. 2. Features from erosion and deposition: Oxbow Lakes 1. Meander formed through erosion and deposition. A slip off slope develops on the inside of the meander (due to deposition) and a river cliff on the outside (due to undercutting) 2. During periods of flooding the meander neck is breached and the water takes the fastest route across the meander.
- 20. 2. Features from erosion and deposition: Oxbow Lakes 3. Erosion (Hydraulic action especially) continues and the neck is finally breached. Deposition begins in the old meander. 4. Deposition continues and eventually a lake is formed that is totally cut off from the river channel – an oxbow lake.