AS geography revision Start early…. There is a lot to learn. Use this as your starting point. There is more help available on the geography revision pages of Moodle and also on AQA’s website‚ where you will find past papers‚ mark schemes and also examples of student answers (exemplars). You can buy a CGP revision guide if you would like to (£5 from college) but also on Amazon and from WHSmith. The bits that the CGP revision guide doesn’t have in it for AS Geography…. RIVERS Graded long profile
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To what extent do you agree that river landforms can be classified as either erosional or depositional? Many different landforms are made by either deposition or erosion and there are some cases where they can be classified as both. Erosional landforms are caused by erosion which is the breaking down and transportation of particles from one area to another. Depositional landforms are made when particles are deposited somewhere else. In my opinion I think that river landforms can be classified
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3.08 Marine Science TYPE OF EROSION CONTROL PROS OF USING THIS CONTROL CONS OF USING THIS CONTROL Jetties - Designed to coastal properties. -“The increased wave energy and the sediment trapped behind the seawall often decrease the sediment supply near the seawall‚ causing erosion on adjacent beaches. Therefore‚ alternatives to these hard structures are strongly encouraged and actively sought by the NPS.” Breakwaters -“Dunes not directly disturbed‚ increases area of dry upper beach‚ may allow new
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effectively working ........ • The amount of soil erosion will decrease with distance from the main footpath • Plant height and diversity will be greater the further away from the main footpath • The management strategies are effective in managing visitor numbers and tourist’s impacts . 12/7/14 Alexander Jay-J Achebe 4 Hypothesis 1 I have decided to measure soil erosion(near the footpath) as my first hypothesis. I have chosen to investigate soil erosion because one of the government’s
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and cycled by water or wind is known as erosion. Soil erosion can occur anytime soil is bare or exposed and naturally removed by wind or water. This form of soil degradation is a natural process but it further elevated by human activity. Human disturbances of the soil allow for this process to happen more rapidly under natural conditions. According to the University of Michigan‚ whose geologist conducted a study‚ human actions produce 10 times more erosion and move 10 times as many sediments of soil
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eventually flow in the same pattern and ultimately‚ will end up in the same stream or river. Why do river shapes vary in wet and dry climates? River shapes change in various climates due to different erosion patterns. In dry‚ arid regions‚ the river valleys are often deep and/or steep. This is due to little erosion on the valley walls as the flowing water will erode the floor continuously‚ digging the valley deeper but not wider. Eventually‚ a deep canyon or gorge will take shape. In areas of high precipitation
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shortage 12 3.2 Land tenures 12 - 13 3.3 Economic pressures 13 3.4 Poverty 13 3.5 Population increase 14 3.6 Wind erosion 14 3.7 Over pumping of ground water 14 4. Effects of Watershed Degradation Page 15 4.1 Soil erosion 15 - 16 4.2 Water erosion 16 4.3 Desertification 16 4.4 Salinization and Nutrient Loss 16 - 17 4.5 Decline in soil fertility 17 4.6 Degradation of soil
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issues. Wetlands issues Soil erosion Degraded water quality Ecosystem and uncontrolled habitants Noise Impacts Air pollutions Wetlands issues The underneath of soils stored a lot of water due to its topographic area. This issue will bring miserable and complicated during the working period. In addition‚ the duration of the project worked is increasing as the soils needs longer time to dry up and compact in the form good foundation. Soil Erosion Soil erosion will bring impacts when water
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geographical issues affecting the area. Human or natural forces can affect geographical issues. One of these issues includes erosion. Erosion is one of the biggest geographical issues‚ which is the wearing down of different materials‚ such as rock‚ soil and sand. Some of the few management strategies used to provide a better environment are sand dunes and the sea bee wall. Erosion is the wearing down of different materials caused by natural forces such as long shore drift‚ waves and tides. These forces
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Before looking at river landforms it is important to understand the more general role of rivers and to develop an awareness of the processes at work within rivers. It is through this knowledge that we will better undertand the processes at work in the geomorphology of the drainage basin. The role of rivers can be understood in very simple terms. The river’s role is to balance its load and transport it to the ocean. But this this idea of rivers as merely transporting weathered material to the ocean
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