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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than others‚ making waves stronger and more powerful. I think wind is the most important factor. 3. I think the steepest beach will be Hurlstone because it’s the end of the beach where pebbles will be at their smallest and roundest due to erosion. 4. I think the gentlest beach will be gore point because it’s at the beginning of the beach where the pebbles will be at their largest and more angular. The study took place at Porlock bay in Somerset‚ Southwest England (see maps on
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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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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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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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important that it’s protection from coastal processes and flooding should be continued‚ because if its protection is stopped Borth will suffer the effects of coastal erosion and frequent flooding‚ which will damage the tourism industry in the area as shops and attractions will be damaged in floods or swept out into the sea by coastal erosion‚ which would be very detrimental as tourism is one of the main industries in the area and many of the local people rely on tourism as their income. Some of the physical
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it covers 520 million hectares Hennig (2004). In Africa 28 trees are cut-down down with‚ only one tree being replanted. An important issue concerning the environment will be critically analyzed by showing the end result of deforestation and soil erosion. Deforestation Occurs when earths’ forests on a massive scale often resulting in damage to the quality of land. A contributing factor that has resulted into deforestation has agriculture as the driving force. According to UNFCCC (2014) secretariat
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problem as the number of people rise. With the larger numbers of people on the planet today that are still on the upswing has brought on a huge problem with deforestation. Have no fear‚ although these things along with natural elements causing erosion of our land‚ there are things that can be done to help slow the effects of overcultivation‚ overgrazing‚ and deforestation and correct these issues which in turn will help save our land for future generations to come. Overgrazing is when farmers
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of the erosion that occurs in the upper course is vertical and as the river bed is eroded lower the valley becomes steeper. The river is narrow with a shallow channel. As discharge is calculated by measuring the cross sectional area of the channel multiplied by the velocity‚ the discharge is small. The river is mainly slow flowing as most of its energy is used overcoming the friction of the large angular bedload. The bedload is large and angular as it hasn’t been subjected too much erosion. Any changes
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pools so it has greater energy and more erosive power. Energy is lost as the river flows over a riffle because of friction. These cause the river’s flow to become uneven and maximum flow to be concentrated on one side of the river‚ causing lateral erosion on one side‚ creating an outer concave bank. Deposition takes place on the other side of the bend‚ creating a convex bank. The cross-section of a meander is asymmetrical. The outer bank forms a river cliff or a bluff with a deep pool close to the
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