L 5 Corries, Aretes Pyramid Peaks
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Corries, arêtes, and pyramidal peaks are distinctive landforms resulting from different erosion processes. Corries form in sheltered mountain hollows where snow collects and forms glaciers. Glacial erosion deepens and widens the corries over time. Arêtes are narrow, knife-edge ridges that form between adjacent corries. Pyramidal peaks form when three or more corries erode back into a mountain, leaving behind a horn-shaped peak.
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This document discusses different types of glacial landforms formed by the deposition of debris (moraine) transported and deposited by glaciers. It describes erratics as large rocks transported far from their source, moraines as ridges of glacial debris including terminal, lateral, and recessional moraines, and drumlins as streamlined hills that indicate the direction of past ice flow. Drumlins are proposed to form through subglacial deformation as the glacier becomes overloaded with debris and moulds it into characteristic elongated shapes aligned with ice movement.
Glaciation
Glaciation features such as corries, aretes, pyramidal peaks, glacial troughs, ribbon lakes, hanging valleys, truncated spurs, boulder clay/till, moraines and drumlins are formed by the glacial erosion processes of freeze-thaw weathering, abrasion, and plucking. Upland glaciated areas are used for farming, forestry, and tourism, but these human uses can cause conflicts over land management with environmental and social issues. Case studies of specific glaciated regions help explain these issues.
Lake District - Glaciated Landscape
This presentation looks at the geology of the Lake District and the impact of glaciation on the landscape.
The existence of over 50 well-developed corries is unequivocal evidence that parts of the landscape were affected by glacial erosion during the Quaternary.
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Glaciation Lesson 4
Distinctive landforms result from different glacial processes. Corries form from glacial erosion in mountain hollows. Arêtes are knife-edge ridges that separate corries. Pyramidal peaks form when three or more corries erode around a mountain, leaving a horn-shaped peak. U-shaped valleys form from glacial erosion, with steep valley sides and a flat floor.
Glacial Erosion
Comprehensive powerpoint on features of Glacial Erosion.
Introduction to Glaciers and Ice, plucking, abrasion and freeze-thaw, followed by descriptions and photographs of:
Corries
Aretes
Pyramidal Peaks
U-Shaped Valleys
Hanging Valleys
Truncated Spurs
Ribbon Lakes
Glacial landforms2
This document describes various landforms created by glacial erosion and deposition. It defines cirques, corries, and cwms as hollows on mountainsides deepened and widened by corrie glaciers. Arêtes are knife-edged ridges between corries, while pyramidal peaks form when multiple corries erode a central horn-shaped area. Glacial troughs or U-shaped valleys have hanging valleys, truncated spurs, and misfit streams. Features of glacial deposition include till, moraines, drumlins, eskers, kames, kettles, and outwash plains.
Glaciers rivers of ice
Glaciers slowly carve and shape the landscape as they move. They act like sandpaper to erode the land underneath. Glaciers leave behind several telltale features that indicate they once passed through an area, including U-shaped valleys, cirques, arêtes, horns, erratics, moraines, and eskers. Glaciers are retreating rapidly due to climate change, altering ecosystems and hydrology. Their melting is evidence of global warming.
Glacial landforms AS Level Geography
This document describes various glacial and periglacial landforms formed by glacial erosion and deposition. Cirques are round hollows formed by glacial erosion in mountain regions. Arêtes are knife-edged ridges formed between two cirques, and pyramidal peaks form where three or more cirques meet. Glacial erosion can also form U-shaped valleys called troughs. Deposition by glaciers forms landforms like till, moraines, drumlins and erratics. Periglacial processes in cold regions without glaciers form patterned ground, ice wedges, pingos and other landforms through freeze-thaw action.
Glaciation-saksham.pptx
Glaciers form from compacted snow and slowly move under gravity, eroding the landscape. During glaciation, mountain valleys are typically V-shaped but become wider and deeper U-shapes as glaciers scour the rock. Glacial erosion forms landforms like moraines, corries, pyramidal peaks, and arêtes. Kames are hills left when glacial meltwater deposits sediment. Alaska has over 100,000 unnamed glaciers within its landscape.
Glacial landforms with mapped examples
Snow collects in hollows high in the mountains and over time compacts into ice. As the ice moves downhill due to its weight and melting water underneath, it erodes the landscape through plucking and abrasion. This action deepens and steepens the hollows, forming cirques or corries, and creates sharp-edged ridges called arêtes between corries. When three or more cirques cut into the same mountain, they form a pyramidal peak with steep, angular faces.
Glacial landforms
The document contains photos and descriptions of various glacial landforms and features. It includes images and explanations of niche glaciers in Wyoming, an ice cap on Cotopaxi volcano in Ecuador, glaciers in Alaska and West Greenland, retreating glaciers in New Zealand and Canada, glacial erosion features like striations and erratics, lateral and terminal moraines on Bylot Island, and diagrams labeling landforms created by glacial erosion and deposition including U-shaped valleys, hanging valleys, and drumlins.
Revision Document - Glaciation
Glaciation in upland areas has created landforms like corries, arêtes, and pyramidal peaks through freeze-thaw weathering and erosion by glaciers. Glaciers carved out U-shaped valleys and left behind landforms like hanging valleys, truncated spurs, and ribbon lakes. Glacial deposition formed features such as drumlins, moraines, and boulder clay. Upland glaciated areas are used for marginal farming, forestry, and tourism, but management is needed to address issues from overuse, like erosion, and conflicts between different user groups.
Revision Document - Glaciation
Glaciation in upland areas has created landforms like corries, arêtes, and pyramidal peaks through freeze-thaw weathering and erosion by glaciers. Glaciers carved out U-shaped valleys and left behind landforms like hanging valleys, truncated spurs, and ribbon lakes. Glacial deposition formed features such as drumlins, moraines, and boulder clay. Upland glaciated areas are used for marginal farming, forestry, and tourism, but management is needed to address issues from overuse, like erosion, and conflicts between different user groups.
Glacial environment
This document summarizes key aspects of glacial environments and glacial landforms. It describes how snow accumulates over time to form glacial ice, and the different zones within glaciers. It also discusses the two main types of glaciers - mountain/alpine glaciers and continental ice sheets - and how they form and move. The document outlines various erosional landforms created by glaciers such as cirques, arêtes, and U-shaped valleys. It also describes depositional features including moraines, eskers, kames, and drumlins. In summary, the document provides an overview of glacial formation, movement, erosion processes, and resulting landforms.
Arêtes
An arête is a sharp, narrow ridge formed by the erosion of adjoining corries (cirques) by glaciers. As glaciers expand due to increased snow and ice, they erode and carve the underlying landscape. This can result in the formation of U-shaped valleys, corries, tarns, and arêtes. Crib Goch in Wales is a prominent example of an arête, formed from the erosion of two opposing corries that were once occupied by alpine glaciers. It is a steep and narrow ridge that can be dangerous to climb, especially in winter conditions. Arêtes are common landforms found in mountainous areas that have been subjected to past glaciation.
L4 Glacial Troughs
Glacial erosion can form U-shaped valleys and hanging valleys. U-shaped valleys are formed as glaciers erode existing river valleys, deepening and widening them into a characteristic U-shape with steep sides and a flat floor. Hanging valleys form when a tributary glacier erodes a valley that runs above and perpendicular to the main valley. As the main glacier recedes, it leaves behind steep walled, high elevation valleys hanging over the main valley below.
Landforms associated with Glacier
Glacial landforms include erosional features like U-shaped valleys, hanging valleys, cirques, and arêtes, as well as depositional landforms like moraines, drumlins, eskers, and outwash plains. Glaciers erode through abrasion and plucking, forming characteristic steep-walled, flat-bottomed valleys. Cirques form at the head of valley glaciers. Depositional features include moraines of debris deposited or pushed along the sides and end of the glacier, as well as fluvio-glacial landforms formed by meltwater streams like eskers, kames, and outwash plains.
Chapter 7 Section 3 Glaciers
Glaciers form when snow accumulates over many years and compresses into ice. Large masses of ice slowly moving on land under their own weight are called glaciers. Glaciers erode the land surface through processes like plucking and scouring, then transport and deposit eroded material elsewhere as they melt. Deposits include till, which can cover huge areas, and moraines, ridges of debris left at the glacier's end or along its sides. Continental glaciers once covered over 25% of Earth's surface during ice ages but are now retreating. Valley glaciers still exist in mountainous regions and leave evidence of their erosion through landforms.
Glaciers
Glaciers are large bodies of dense ice that are constantly moving due to their own weight. As glaciers advance and retreat, they leave behind several landforms including rolling hills, moraines, eskers, drumlins, and kettle lakes. Glaciers form in areas where more snow accumulates than melts over many years or centuries.
Glacial ice powerpoint
Glacial ice is the largest reservoir of freshwater on Earth and supports one third of the world's population. Glaciers form on land where snow accumulation exceeds melting. They slowly deform and flow due to their own weight, creating features like crevasses. Glaciers erode the underlying landscape through abrasion and plucking of rock debris. As they carry this debris and later melt, glaciers leave behind landforms such as moraines, eskers, and drumlins that provide evidence of past glacial activity. Glacial periods within ice ages are marked by colder temperatures and advancing glaciers, while interglacials are warmer intervals between them.
Lesson 5 glacial features
This document provides information about glacial processes and landforms at different scales. It discusses factors that influence glacial erosion rates like ice thickness, precipitation, ablation rates, and bedrock permeability. Landforms formed include cirques, arêtes, pyramidal peaks, truncated spurs, U-shaped valleys, hanging valleys, and ribbon lakes at the macro scale. Meso scale features include whalebacks, roches moutonnées, and crag and tail formations. Micro features provide evidence of ice flow direction through striations, chatter marks, and crescentic gouges. The document emphasizes that landforms result from multiple glacial periods and different glacial processes of erosion, entrainment, transport, and deposition
L3 Glaciation Processes
The document discusses key glacial processes including freeze-thaw weathering, erosion through plucking and abrasion, and movement and deposition of material. Freeze-thaw weathering occurs as water enters cracks in bedrock and expands during freezing. Erosion removes rock through plucking, where blocks of rock are torn away, and abrasion, where rock fragments scrape bedrock. Glaciers transport material and eventually deposit moraines when melting reduces their ability to carry material further.
Chapter 8 section 2 (glaciers)
Glaciers form when snow accumulates over many years and compresses into ice. As glaciers move over land under their own weight, they erode the surface through processes like plucking and scouring. Glaciers carry eroded material and deposit it elsewhere through till, moraines, outwash, and eskers when they melt. Continental glaciers once covered over 28% of Earth during ice ages but now cover around 10%, while valley glaciers still exist in mountainous regions and provide evidence of past glacial erosion.
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Meeting powerpoint 2016
The document provides an itinerary for a geography field trip to Iceland, including locations they will visit each day of the trip. Over the 6 day trip, the group will visit many natural landmarks and sites around Iceland such as Geysir, Gullfoss, Þingvellir, Skógarfoss, Jökulsárlón lagoon, and Reykjavik. The itinerary outlines the planned activities, transportation, and accommodations for each day of the trip. It also includes a packing list of recommended clothing and items to bring for the varied outdoor conditions they will experience during the trip around Iceland.
Coastal questions
Freeze-thaw weathering involves the expansion of water in rock cracks when it freezes, which exerts pressure and causes pieces of rock to break off when it thaws. Chemical weathering changes the composition of the rock through warm, wet conditions. Mass movement rapidly transforms coastlines by causing cliffs and material on slopes to slide downwards, resulting in cliff retreat and new sediment supply on beaches.
Paper 1 revision 29.5.13 bv
Volcanic eruptions can be monitored and potentially predicted using various methods. Earthquake activity, ground deformation measured by tiltmeters and GPS, changes in magma temperature, and gas emissions are monitored in real-time. Seismometers are also used to analyze earthquake waves. By studying patterns of past eruptions, including the timing of flows and gaps between events, volcanologists aim to improve predictions. However, volcanic eruptions often remain unpredictable.
Model 1
Large numbers of tourists visiting tropical destinations can negatively impact the local environment and economy in several ways. Seasonal tourist jobs pay locals low wages, while most profits from hotels and businesses go to foreign owners. Traditional industries like farming suffer when land is sold for tourism development and locals' diets change to imported foods preferred by visitors. Over-tourism can also threaten local customs and introduce social problems by changing island cultures.
Model 3
The document describes three levels of analysis for comparing two population pyramids (A and B). Level 1 involves basic descriptive points about the pyramids' shapes. Level 2 explains differences in life expectancy and development status between the populations based on pyramid shape. Level 3 provides the most detailed analysis by linking sentences, using comparative words, and directly contrasting pyramids A and B.
Model 2
The UK government has tried to improve inner cities since the 1990s through various initiatives. These include programs like City Challenge in the 1990s, which provided funding for local councils and private groups to regenerate areas through new housing, improved community facilities and parks. More recently, the Sustainable Communities program since 2003 has aimed to give residents access to jobs, education, healthcare and a good quality of life while protecting the environment, such as through examples like the New Islington Millennium Village development in Manchester. Earlier initiatives also helped through slum clearances, new social housing and designations like Urban Development Corporations starting in the 1980s.
Tourism model answers
Blackpool has implemented several strategies to improve the tourist industry and ensure its continued success. Millions of pounds have been spent on upgrading facilities, improving attractions, and promoting year-round events. Old buildings have been replaced, hotels upgraded, beaches cleaned, and new attractions added. This includes converting an airfield into a golf course and zoo and adding new rides annually to the Pleasure Beach. Blackpool promotes off-season events to keep the industry thriving throughout the year.
Describe how governments are attempting to cope with the problems of an agein...
The UK government is attempting to cope with an aging population by delaying the retirement age and increasing the age for receiving state pensions. This forces people to work longer and continue paying taxes to fund increased social services and healthcare for the elderly, such as nursing homes. Younger populations are declining so less money is being allocated to education and more is being spent on healthcare and social provision for the aging population.
Urban model answers
The conditions shown in the photo are found in shanty towns because they are unplanned, illegal settlements where people cannot afford proper building materials. As a result, houses are makeshift and put together from scrap, and there is a lack of infrastructure like running water, sanitation, electricity, and paved roads. Diseases spread easily due to contaminated water and poor drainage.
Local people have tried to improve their lives by finding materials to build better houses, setting up schools, tapping into electricity, and finding work to support their families and pay for necessities. They have also worked together to access running water.
Iceland 2011 v2 nsr
The document outlines a 6-day trip to Iceland organized by Tudor Grange and Alderbrook schools from October 22-27, 2011. The itinerary includes visiting landmarks in Reykjavik on day 1, exploring the Golden Circle and geothermal areas on day 2, waterfalls and glaciers on day 3, more glaciers and ice lagoons on day 4, a volcano on day 5, and finishing at the Blue Lagoon hot springs on day 6 before returning home. Logistical details like transportation, accommodations, costs and payment deadlines are also provided.
Mock exam feedback 2011
The document provides tips for answering mock exam questions, including:
1) Carefully follow the instructions on the front page regarding the number and type of questions to answer.
2) Answer the specific question being asked rather than repeating the question. Underline command words to understand what is being asked.
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Sustainability requires the
Ecotourism involves environmentally and socially responsible tourism that benefits local environments and communities economically. It focuses on small scale and low impact activities like trekking that expose visitors to natural areas in a way that conserves resources and respects local cultures. Done properly, ecotourism can contribute to sustainable development by improving living standards for local people through jobs and infrastructure while protecting environments for future generations.
Tourism in kenya– good or bad
This document discusses tourism in Kenya, including both positive and negative impacts. It provides background on why Kenya has been able to attract mass tourism and the economic benefits it provides. However, it also notes environmental and social issues that have arisen, such as damage to parks from overtourism. Strategies discussed include diversifying tourism activities, reducing numbers in some parks, and increasing involvement of local tribes and conservation efforts.
Mass tourism – good or bad
Mass tourism has both advantages and disadvantages for local economies and environments. While it can improve domestic economies through income from tourism-related industries and infrastructure development, it often leads to environmental damage and issues like traffic congestion. Strategies are needed to reduce negative impacts and maintain tourism's importance, such as appealing to higher-income visitors, addressing pollution and waste problems, and providing more full-time, skilled local jobs.
L3 how do we manage tourism in the uk
The document discusses tourism in the UK and effective management strategies to ensure its continuing prosperity. It provides details on:
1) The significant contribution of tourism to the UK economy, generating over £80 billion annually and employing over 2 million people.
2) Factors that can affect the number of tourists visiting the UK, such as weather, economic conditions, currency exchange rates, and security issues.
3) Popular tourist destinations in the UK include coastal resort towns, national parks, and cities like London, York, and Edinburgh that attract visitors with their historic sites and attractions.
L2 why has global
The document discusses the global growth of tourism and its economic importance. It explains that tourism has seen the exploitation of cities, mountains, and coastal areas for holidaymakers. Tourism brings many economic benefits, including increasing the number and variety of service sector jobs, improving infrastructure and public services, supporting local industries, and increasing tax revenues for local and national governments. Many small island countries have benefited greatly from tourism and improved air travel, as it has lessened their dependence on unstable commodity exports and brought a much-needed source of income. Around 80% of Barbados's national income comes from tourism.
L1 why has global tourism grown nsr
The document discusses the global growth of tourism since 1950. Some key points:
- Tourism is the world's largest industry, worth $500 billion in 2007. There were 900 million international tourist travelers that year.
- The top destinations are France, Spain, Italy, USA, China and UK. Tourism is one of the top 5 sources of foreign exchange for 83% of countries.
- Reasons for the increase include rising incomes, more leisure time, cheaper air travel, and greater infrastructure and advertising of destinations. Tourism has continued growing since the 1950s and has proven resilient to economic downturns.
L14 waste
Rapid urbanization in poorer parts of the world leads to several environmental problems related to waste disposal, air pollution, and water pollution. Cities produce large amounts of waste but poorer countries lack the funds and infrastructure to dispose of it properly. Much of the waste is toxic but remains untreated, threatening public health. Air and water resources are also impacted by pollution from industry and traffic without adequate regulations. Waste pickers, including children, search through garbage for items to resell but face health risks from toxic materials. Overall, the scale of waste problems outpaces solutions in less developed countries experiencing fast urban growth.
L15 air and water pollution
Rapid urbanization in poorer parts of the world leads to environmental problems from increased air and water pollution. Cities produce large amounts of air pollution from industry and waste that ends up polluting rivers. Water pollution kills fish and spreads disease, while air pollution damages health. Governments try to manage pollution through sewage treatment, pollution laws, and enforcing emission limits, but population growth makes controlling pollution difficult.
Bhopal
Rapid urbanization in poorer parts of the world can cause environmental problems due to difficulties managing waste, which is often toxic, as well as air and water pollution. Proper management is required to address the effects of rapid urbanization and industrialization in these areas. While urbanization brings economic opportunities, it also puts pressure on infrastructure and can harm the environment if not properly planned and regulated.
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五：与学校颁发的相关证件1:1纸质尺寸制定（定期向各大院校毕业生购买最新版本毕,业证成绩单保证您拿到的是鲁昂大学内部最新版本毕业证成绩单微信95270640）
A.为什么留学生需要操作留信认证?
留信认证全称全国留学生信息服务网认证,隶属于北京中科院。①留信认证门槛条件更低,费用更美丽,并且包过,完单周期短,效率高②留信认证虽然不能去国企,但是一般的公司都没有问题,因为国内很多公司连基本的留学生学历认证都不了解。这对于留学生来说,这就比自己光拿一个证书更有说服力,因为留学学历可以在留信网站上进行查询!
B.为什么我们提供的毕业证成绩单具有使用价值？
查询留服认证是国内鉴别留学生海外学历的唯一途径但认证只是个体行为不是所有留学生都操作所以没有办理认证的留学生的学历在国内也是查询不到的他们也仅仅只有一张文凭。所以这时候我们提供的和学校颁发的一模一样的毕业证成绩单就有了使用价值。乌龟和王八贼头贼脑的倒也逗人喜爱日上三竿时山娃总爱窜进自家瓜棚里跟小伙伴们坐着聊天聊着聊着便忍不住往瓜田里逡巡一番抱起一只硕大的西瓜用石刀劈开抑或用拳头砸开每人抱起一大块就啃啃得满嘴满脸猴屁股般的红艳大家一个劲地指着对方吃吃地笑瓜裂得古怪奇形怪状却丝毫不影响瓜味甜丝丝的满嘴生津遍地都是瓜横七竖八的活像掷满了一地的大石块摘走二三只爷爷是断然发现不了的即便发现爷爷也不恼反而教山娃辨认孰熟孰嫩孰甜孰淡水
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